In recent years,all walks of life have begun to propose the construction of“smart cities”.It is hoped that the construction of“smart cities”can pro-mote the transformation and upgrading of urban development and ma...In recent years,all walks of life have begun to propose the construction of“smart cities”.It is hoped that the construction of“smart cities”can pro-mote the transformation and upgrading of urban development and make our cities prosperous and sustainable.In the future,urban construction is very likely to develop in the direction of intelligence and intelligence,and a scientific and effective understanding and objective evaluation of the devel-opment status of China’s smart cities will be conducive to the planning and design of China’s smart cities in the new era,formulate scientific construc-tion policies,and strengthen the supervision and guidance of construction.At present,as far as China is concerned,the urbanization process is accel-erating,the urbanization rate is increasing year by year,and the level of urbanization has increased significantly,and people are beginning to think about how to better combine technology and services to serve the people.Smart cities,as one of the concerns,may be able to better solve this kind of problem.展开更多
At present,with the development of society,China’s civil construction equipment installation engineering has many majors,complete catego-ries and high functional requirements.In particular,the installation of the equ...At present,with the development of society,China’s civil construction equipment installation engineering has many majors,complete catego-ries and high functional requirements.In particular,the installation of the equipment is a large amount of work,with a large number of types of work,with a strong degree of specialization,and also technically complex.In the construction of construction projects in China,the installation of engineer-ing equipment is a key control point of construction safety,and equipment installation has always been a key point that construction enterprises at-tach great importance to.The installation of engineering equipment will not only affect the overall progress of engineering construction,but also affect the quality of the project,therefore,the installation of construction equipment has played a vital role and has attracted increasing attention.Combined with the actual situation of construction enterprises,this paper briefly introduces some problems and solutions existing in the construction of construction enterprises.展开更多
Under the influence of the world economy,China’s economic development is very rapid,the people’s living standards have been greatly improved,and the urbanization process has been accelerated.As a part of urban plann...Under the influence of the world economy,China’s economic development is very rapid,the people’s living standards have been greatly improved,and the urbanization process has been accelerated.As a part of urban planning,architecture plays an important role in urban planning and construction,so urban planning must be combined with the future development goals of the city,develop in an all-round way,strengthen architectural design,ensure the consistency of urban planning and architectural design,and create a good environment for urban development.Therefore,this paper analyzes the relationship between architectural design and urban planning under the new situation,clarifies the relationship between architectural design and urban planning,and strengthens urban construction.展开更多
With the continuous implementation of the PPP projects,due to the imperfection of relevant policies,the blindness of government subsidy is constantly emerging.Thus,it is important to put forward a practical approach f...With the continuous implementation of the PPP projects,due to the imperfection of relevant policies,the blindness of government subsidy is constantly emerging.Thus,it is important to put forward a practical approach for valuing the subsidies and risk.In this paper,the revenue subsidies model and traffic subsidies model are established.Then combined with practical cases,Monte Carlo simulation is used to get the value and probability of government subsidies under different compensation ways.On this basis,the influence of initial traffic volume and traffic growth rate on government subsidies and net present value of investors is analyzed.The research findings can provide theoretical guidance for the government to choose a reasonable way of subsidies,balance the risk of compensation,and formulate subsidies policies.展开更多
The warheads such as missiles and artillery shells have a certain speed of motion during the explosion.Therefore,it is more practical to study the explosion damage of ammunition under motion.The different speeds of th...The warheads such as missiles and artillery shells have a certain speed of motion during the explosion.Therefore,it is more practical to study the explosion damage of ammunition under motion.The different speeds of the projectiles have a certain influence on the temperature field generated by the explosion.In this paper,AUTODYN is used to simulate the process of projectile dynamic explosion.In the experiment,the TNT spherical bare charges with the TNT equivalent of 9.53kg and the projectile attack speed of 0,421,675,1020m/s were simulated in the infinite air domain.The temperature field temperature peaks and temperature decay laws at different charge rates and the multi-function regression fitting method were used to quantitatively study the functional relationship between the temperature and peak temperature correlation calculations of static and dynamic explosion temperature fields.The results show that the temperature distribution of the dynamic explosion temperature field is affected by the velocity of the charge,and the temperature distribution of the temperature field is different with the change of the charge velocity.Through the analysis and fitting of the simulation data,the temperature calculation formula of the static and dynamic explosion temperature field is obtained,which can better establish the relationship between the temperature peak of the static and dynamic explosion temperature field and various influencing factors,and use this function.Relational calculations can yield better results and meet the accuracy requirements of actual tests.展开更多
This paper first introduces the basic connotation of China’s whole-process engineering consulting.Immediately,analyze the organization model,service procurement model and charging standards of foreign whole-process e...This paper first introduces the basic connotation of China’s whole-process engineering consulting.Immediately,analyze the organization model,service procurement model and charging standards of foreign whole-process engineering consulting(international terminology full-life cycle engineering consultant).Second,discuss the government’s role in the development of engineering consulting from two aspects:service management and market access.Finally,combined with the above analysis,the specific problems faced in the implementation process of the whole process engineering consulting are compared.Provide relevant suggestions on how companies and individuals respond to industry development trends.展开更多
The photovoltaic solar energy is comprised of many engineering disci-plines.Geotechnical engineering is one of those disciplines in which it has important functions in the solar photovoltaic technology and particularl...The photovoltaic solar energy is comprised of many engineering disci-plines.Geotechnical engineering is one of those disciplines in which it has important functions in the solar photovoltaic technology and particularly for large scale projects which usually employed in open areas such as parks or deserts.The aim of this paper is to present in depth the role of the geotechnical engineering in the solar photovoltaic energy and clarifying the common challenges facing this technology in arid climate regions.It is found that the lack of specialised codes and specifi cations that needed for foundation design and in selecting the proper foundation types.This would significantly affect the development of this technology in terms of efficien-cy and performance of the proposed solar photovoltaic systems.The hot weather climate and induced stresses by wind speed are also critical issues that should be considered.In order to avoid the uncertainty of data such as soil properties,the use of numerical modelling techniques is an eff ective method to help determining the most proper parameters needed for design and analyse purposes.展开更多
In recent decades,modified asphalt materials have been used in enhancing the traffic load on the roads.The main objective of this paper is to explore the modifi cation effect of direct coal liquefaction residue(DCLR)o...In recent decades,modified asphalt materials have been used in enhancing the traffic load on the roads.The main objective of this paper is to explore the modifi cation effect of direct coal liquefaction residue(DCLR)on as-phalt binders and investigate the effectiveness of DCLR in improving the performance of asphalt road.This paper prepared modifi ed petroleum as-phalt under diff erent process conditions and tested its penetration,softening point and ductility index.Based on the experimental data,according to gray correlation degree,the performance for the asphalt was compared.The performance for the modified asphalt is simulated and predicted using poly-nomial functions.The modifi ed asphalt was analyzed by FT-IR,TGA,SEM and HPLC.The results show that the optimal process conditions for DCLR modifi ed asphalt are shear mixing time of 45 min,shear mixing tempera-ture of 150℃ and shear mixing rate of 4000 r/min.The predicted fit with the experimental data of 0.993 further demonstrates the effectiveness of the method.The characterization results show no significant chemical change between the DCLR and the asphalt.DCLR can significantly improve the high temperature performance and water stability of the asphalt,but it has little impact on its low temperature performance.展开更多
Transportation plays a critical role in the economic sector in Bangladesh.Since its independence,infrastructure has been developing rapidly,includ-ing land,water,and air transportation.National economy is increasing a...Transportation plays a critical role in the economic sector in Bangladesh.Since its independence,infrastructure has been developing rapidly,includ-ing land,water,and air transportation.National economy is increasing at a relatively high rate,leading to the better-off of people’s lives.As the living standards keep improving,people are more concerned about safety issues in transportation.This article makes an analysis of the status quo of traffic safety in Bangladesh and compares the Bangladeshi code with American code AASHTO from the geometric aspects of horizontal and vertical align-ment,in an effort to provide reference to the highway design in Bangla-desh.Through a reasonable design,the traffic safety will be under control and accident rate as well as economic loss will be minimized.展开更多
This paper introduces the composition of the premium rate of Inherent Defects Insurance,and analyzes the factors influencing the premium rate of the Inherent Defects Insurance.
Based on the analysis of construction project safety risk and its preventive measures, it is first necessary to clarify the safety risks and existing problems of construction project supervision and to formulate effec...Based on the analysis of construction project safety risk and its preventive measures, it is first necessary to clarify the safety risks and existing problems of construction project supervision and to formulate effective construction procedures. It is necessary to check the production safety of the construction unit, strengthen the company's own safety production management, and reasonably control the risk to familiarize with the construction drawings, and make a special construction plan for the work of the bottom line. Finally, an elective solution is drawn to comprehensively expound the importance of construction project construction safety risk and its preventive measures.展开更多
The prevalence of surface contaminants,such as potentially harmful bacteria,within building environments in the State of Kuwait is not known.To the authors’knowledge,this article is the first of such a report.A total...The prevalence of surface contaminants,such as potentially harmful bacteria,within building environments in the State of Kuwait is not known.To the authors’knowledge,this article is the first of such a report.A total of 342 stool samples were collected from 46 secondary schools to evaluate indoor occurrences of E.coli bacteria within selected lavatory surfaces.After microbiological testing,the results for the spread of the E.coli bacteria were categorized by total count,sampling location dependency,contamination level comparison between genders,and lavatory fixtures(i.e.seat and squat toilets).The results revealed that 7 schools have a bacterial contamination problem,there is cross-contamination between surfaces in the lavatory stalls,the boys’lavatories were less sanitary than the girls’,and that the squat-style toilets are more contaminated than the seat-style.The results suggest that there is significant risk of spread of bacterial infection among students via contaminated hands and surfaces in the lavatory area in some schools.Thus,this study emphasizes the need to improve environmental hygiene and enhanced sanitation in these schools.In addition,conclusions can be drawn as to the effectiveness of the janitorial staff employed by the schools and the efficacy of the cleaning regime used in the lavatories.Furthermore,based on the findings,there are architectural design consequences as squat-style toilets might be excluded in lavatories designed for schools to be constructed in the future.展开更多
The construction of modern cities emphasizes the nature and harmony among the“people”,“things”and“environment”,reflecting the harmony and unity of the formal beauty,functional beauty and surrounding environment ...The construction of modern cities emphasizes the nature and harmony among the“people”,“things”and“environment”,reflecting the harmony and unity of the formal beauty,functional beauty and surrounding environment of architecture.Based on the introduction of the design concept of the assembled pedestrian overbridge,through the Jianhua Building Materials Group’s first“pre-fabricated low-rise tower-stayed pedestrian landscape overbridge”project in China,this paper proposes a solution that can improve the landscape design of the overbridge and reduce the construction complexity of the overbridge,the assembly product supply and the construction process“integration”under the premise of ensuring the safety and stability of the pedestrian overbridge,whose prefabricated production and assembly construction,shortening the construction period,reducing energy consumption,reducing pollution,and obtaining good social comprehensive benefits.展开更多
Landscape is people’s evaluation of the environment which is better and more meaningful to visit.Therefore,a landscape must have a good environment.Landscape exists in nature as well as in cities.Every corner of a ci...Landscape is people’s evaluation of the environment which is better and more meaningful to visit.Therefore,a landscape must have a good environment.Landscape exists in nature as well as in cities.Every corner of a city can be a landscape.Its connection with the city and the citizens is inseparable.However,due to the acceleration of urbanization,there are still many problems in the urban environment.To solve these problems perfectly,we should work from the aesthetic value and planning orientation of the landscape.Therefore,this paper discusses and analyzes the problems of urban environment and how to use the aesthetic value and orientation to construct urban environmental landscape.展开更多
During the construction process of the construction project,the construction technology management work can improve the overall quality of the project construction.In the context of increasingly fierce competition in ...During the construction process of the construction project,the construction technology management work can improve the overall quality of the project construction.In the context of increasingly fierce competition in the construction market,construction enterprises should strengthen the management of construction technology,enhance their technical level and market competitiveness,and promote the development of the construction market[1].The paper mainly analyzes the optimization methods of build-Keywords:ing construction technology management.展开更多
I.Manuscript FormatManuscripts should be in MS Word format.Authors are advised to download the document,Manuscript Submission Template,as a template or for more details on preparing their submissions for consideration...I.Manuscript FormatManuscripts should be in MS Word format.Authors are advised to download the document,Manuscript Submission Template,as a template or for more details on preparing their submissions for consideration.Authors must ensure that the manuscripts are written in clear and comprehensible English.Manuscripts may be written in either American or British English.Non-English words usage must be kept to a minimum and the font must be italicized(except for e.g.and i.e.).展开更多
With the continuous development of society and economy in China, the number of water conserv ancy & hydropower engineering in China increases unceasingly and China s water conserv ancy industry also enters into th...With the continuous development of society and economy in China, the number of water conserv ancy & hydropower engineering in China increases unceasingly and China s water conserv ancy industry also enters into the stage of rapid development. The construction of water conserv ancy & hydropower engineering promotes social and economic development, so in order to safeguard the benefits of the engineering, cost management shall be done well, which is also an important channel for companies engaging in water conservancy & hydropower engineering to obtain economic benefits. Based on this the paper firstly investigates the problems in water conserv ancy & hydropower engineering cost management and then brings up relevant solutions.展开更多
The practice and research of ecological civilization is a focus of current planning and design,as well as a scientific strategy under the current situation of resource constraint,environmental degradation and ecosyste...The practice and research of ecological civilization is a focus of current planning and design,as well as a scientific strategy under the current situation of resource constraint,environmental degradation and ecosystem degradation.Urban elements such as buildings,green land,farmland,water systems and mountains can be connected by ecological corridors into a green ecological system design.At present,many ecological and environmental problems,such as urban heat island effect,fog and haze,automobile exhaust have a negative effect on the construction of social ecological environment.In order to build a new modern city with prosperous economy,beautiful environment and social civilization,scientific and efficient ecological corridors should be designed to improve the environmental quality of the eco-city,and promote the construction and development of ecological civilization and green cities.Based on the relevant research and specific practices of ecological corridors at home and abroad,combine the needs of the planning and construction of the Yuzhong Ecological Innovation City,and discuss on the connotation and characteristics of ecological corridors,and discuss the key elements of ecological corridor planning.This article will take the ecological corridor planning of Yuzhong Eco-Innovation City as an example.We design ecological corridor based on field investigation,literature and geographic information system..The planning and design of the ecological corridor in the planning area proposed in this paper can provide positive suggestion on the planning and design of the ecological corridor in other ecological innovation cities.展开更多
After the concept of BIM (Building Information Modeling) was proposed around 2000, it developed slowly. With the rapid development of hardware, the IFC standard provides reference standards for BEM collaborative desig...After the concept of BIM (Building Information Modeling) was proposed around 2000, it developed slowly. With the rapid development of hardware, the IFC standard provides reference standards for BEM collaborative design, enabling BEM collaborative design to effectively solve the shortcomings of traditional 2D drawing design and become a new market trend.展开更多
The finite element method is used to simulate the orbital structure,and the finite element model of"rail-sleepers-ballast"can be established.The model of the elastic modulus of different ballast and sleeper ...The finite element method is used to simulate the orbital structure,and the finite element model of"rail-sleepers-ballast"can be established.The model of the elastic modulus of different ballast and sleeper is calculated,and the rail displacement,the sleeper stress and the fastening force are deduced.The results show that the elastic modulus of the ballast can be increased to reduce the displacement of the rail and the supporting force of the fastener,but the stress of the sleeper will be increased.When the modu-lus of elasticity increases,the rail displacement,small.展开更多
文摘In recent years,all walks of life have begun to propose the construction of“smart cities”.It is hoped that the construction of“smart cities”can pro-mote the transformation and upgrading of urban development and make our cities prosperous and sustainable.In the future,urban construction is very likely to develop in the direction of intelligence and intelligence,and a scientific and effective understanding and objective evaluation of the devel-opment status of China’s smart cities will be conducive to the planning and design of China’s smart cities in the new era,formulate scientific construc-tion policies,and strengthen the supervision and guidance of construction.At present,as far as China is concerned,the urbanization process is accel-erating,the urbanization rate is increasing year by year,and the level of urbanization has increased significantly,and people are beginning to think about how to better combine technology and services to serve the people.Smart cities,as one of the concerns,may be able to better solve this kind of problem.
文摘At present,with the development of society,China’s civil construction equipment installation engineering has many majors,complete catego-ries and high functional requirements.In particular,the installation of the equipment is a large amount of work,with a large number of types of work,with a strong degree of specialization,and also technically complex.In the construction of construction projects in China,the installation of engineer-ing equipment is a key control point of construction safety,and equipment installation has always been a key point that construction enterprises at-tach great importance to.The installation of engineering equipment will not only affect the overall progress of engineering construction,but also affect the quality of the project,therefore,the installation of construction equipment has played a vital role and has attracted increasing attention.Combined with the actual situation of construction enterprises,this paper briefly introduces some problems and solutions existing in the construction of construction enterprises.
文摘Under the influence of the world economy,China’s economic development is very rapid,the people’s living standards have been greatly improved,and the urbanization process has been accelerated.As a part of urban planning,architecture plays an important role in urban planning and construction,so urban planning must be combined with the future development goals of the city,develop in an all-round way,strengthen architectural design,ensure the consistency of urban planning and architectural design,and create a good environment for urban development.Therefore,this paper analyzes the relationship between architectural design and urban planning under the new situation,clarifies the relationship between architectural design and urban planning,and strengthens urban construction.
基金Soft Science Project of Science and Technology Department of Sichuan Province(20RKX0728).
文摘With the continuous implementation of the PPP projects,due to the imperfection of relevant policies,the blindness of government subsidy is constantly emerging.Thus,it is important to put forward a practical approach for valuing the subsidies and risk.In this paper,the revenue subsidies model and traffic subsidies model are established.Then combined with practical cases,Monte Carlo simulation is used to get the value and probability of government subsidies under different compensation ways.On this basis,the influence of initial traffic volume and traffic growth rate on government subsidies and net present value of investors is analyzed.The research findings can provide theoretical guidance for the government to choose a reasonable way of subsidies,balance the risk of compensation,and formulate subsidies policies.
文摘The warheads such as missiles and artillery shells have a certain speed of motion during the explosion.Therefore,it is more practical to study the explosion damage of ammunition under motion.The different speeds of the projectiles have a certain influence on the temperature field generated by the explosion.In this paper,AUTODYN is used to simulate the process of projectile dynamic explosion.In the experiment,the TNT spherical bare charges with the TNT equivalent of 9.53kg and the projectile attack speed of 0,421,675,1020m/s were simulated in the infinite air domain.The temperature field temperature peaks and temperature decay laws at different charge rates and the multi-function regression fitting method were used to quantitatively study the functional relationship between the temperature and peak temperature correlation calculations of static and dynamic explosion temperature fields.The results show that the temperature distribution of the dynamic explosion temperature field is affected by the velocity of the charge,and the temperature distribution of the temperature field is different with the change of the charge velocity.Through the analysis and fitting of the simulation data,the temperature calculation formula of the static and dynamic explosion temperature field is obtained,which can better establish the relationship between the temperature peak of the static and dynamic explosion temperature field and various influencing factors,and use this function.Relational calculations can yield better results and meet the accuracy requirements of actual tests.
文摘This paper first introduces the basic connotation of China’s whole-process engineering consulting.Immediately,analyze the organization model,service procurement model and charging standards of foreign whole-process engineering consulting(international terminology full-life cycle engineering consultant).Second,discuss the government’s role in the development of engineering consulting from two aspects:service management and market access.Finally,combined with the above analysis,the specific problems faced in the implementation process of the whole process engineering consulting are compared.Provide relevant suggestions on how companies and individuals respond to industry development trends.
文摘The photovoltaic solar energy is comprised of many engineering disci-plines.Geotechnical engineering is one of those disciplines in which it has important functions in the solar photovoltaic technology and particularly for large scale projects which usually employed in open areas such as parks or deserts.The aim of this paper is to present in depth the role of the geotechnical engineering in the solar photovoltaic energy and clarifying the common challenges facing this technology in arid climate regions.It is found that the lack of specialised codes and specifi cations that needed for foundation design and in selecting the proper foundation types.This would significantly affect the development of this technology in terms of efficien-cy and performance of the proposed solar photovoltaic systems.The hot weather climate and induced stresses by wind speed are also critical issues that should be considered.In order to avoid the uncertainty of data such as soil properties,the use of numerical modelling techniques is an eff ective method to help determining the most proper parameters needed for design and analyse purposes.
文摘In recent decades,modified asphalt materials have been used in enhancing the traffic load on the roads.The main objective of this paper is to explore the modifi cation effect of direct coal liquefaction residue(DCLR)on as-phalt binders and investigate the effectiveness of DCLR in improving the performance of asphalt road.This paper prepared modifi ed petroleum as-phalt under diff erent process conditions and tested its penetration,softening point and ductility index.Based on the experimental data,according to gray correlation degree,the performance for the asphalt was compared.The performance for the modified asphalt is simulated and predicted using poly-nomial functions.The modifi ed asphalt was analyzed by FT-IR,TGA,SEM and HPLC.The results show that the optimal process conditions for DCLR modifi ed asphalt are shear mixing time of 45 min,shear mixing tempera-ture of 150℃ and shear mixing rate of 4000 r/min.The predicted fit with the experimental data of 0.993 further demonstrates the effectiveness of the method.The characterization results show no significant chemical change between the DCLR and the asphalt.DCLR can significantly improve the high temperature performance and water stability of the asphalt,but it has little impact on its low temperature performance.
文摘Transportation plays a critical role in the economic sector in Bangladesh.Since its independence,infrastructure has been developing rapidly,includ-ing land,water,and air transportation.National economy is increasing at a relatively high rate,leading to the better-off of people’s lives.As the living standards keep improving,people are more concerned about safety issues in transportation.This article makes an analysis of the status quo of traffic safety in Bangladesh and compares the Bangladeshi code with American code AASHTO from the geometric aspects of horizontal and vertical align-ment,in an effort to provide reference to the highway design in Bangla-desh.Through a reasonable design,the traffic safety will be under control and accident rate as well as economic loss will be minimized.
文摘This paper introduces the composition of the premium rate of Inherent Defects Insurance,and analyzes the factors influencing the premium rate of the Inherent Defects Insurance.
文摘Based on the analysis of construction project safety risk and its preventive measures, it is first necessary to clarify the safety risks and existing problems of construction project supervision and to formulate effective construction procedures. It is necessary to check the production safety of the construction unit, strengthen the company's own safety production management, and reasonably control the risk to familiarize with the construction drawings, and make a special construction plan for the work of the bottom line. Finally, an elective solution is drawn to comprehensively expound the importance of construction project construction safety risk and its preventive measures.
文摘The prevalence of surface contaminants,such as potentially harmful bacteria,within building environments in the State of Kuwait is not known.To the authors’knowledge,this article is the first of such a report.A total of 342 stool samples were collected from 46 secondary schools to evaluate indoor occurrences of E.coli bacteria within selected lavatory surfaces.After microbiological testing,the results for the spread of the E.coli bacteria were categorized by total count,sampling location dependency,contamination level comparison between genders,and lavatory fixtures(i.e.seat and squat toilets).The results revealed that 7 schools have a bacterial contamination problem,there is cross-contamination between surfaces in the lavatory stalls,the boys’lavatories were less sanitary than the girls’,and that the squat-style toilets are more contaminated than the seat-style.The results suggest that there is significant risk of spread of bacterial infection among students via contaminated hands and surfaces in the lavatory area in some schools.Thus,this study emphasizes the need to improve environmental hygiene and enhanced sanitation in these schools.In addition,conclusions can be drawn as to the effectiveness of the janitorial staff employed by the schools and the efficacy of the cleaning regime used in the lavatories.Furthermore,based on the findings,there are architectural design consequences as squat-style toilets might be excluded in lavatories designed for schools to be constructed in the future.
文摘The construction of modern cities emphasizes the nature and harmony among the“people”,“things”and“environment”,reflecting the harmony and unity of the formal beauty,functional beauty and surrounding environment of architecture.Based on the introduction of the design concept of the assembled pedestrian overbridge,through the Jianhua Building Materials Group’s first“pre-fabricated low-rise tower-stayed pedestrian landscape overbridge”project in China,this paper proposes a solution that can improve the landscape design of the overbridge and reduce the construction complexity of the overbridge,the assembly product supply and the construction process“integration”under the premise of ensuring the safety and stability of the pedestrian overbridge,whose prefabricated production and assembly construction,shortening the construction period,reducing energy consumption,reducing pollution,and obtaining good social comprehensive benefits.
文摘Landscape is people’s evaluation of the environment which is better and more meaningful to visit.Therefore,a landscape must have a good environment.Landscape exists in nature as well as in cities.Every corner of a city can be a landscape.Its connection with the city and the citizens is inseparable.However,due to the acceleration of urbanization,there are still many problems in the urban environment.To solve these problems perfectly,we should work from the aesthetic value and planning orientation of the landscape.Therefore,this paper discusses and analyzes the problems of urban environment and how to use the aesthetic value and orientation to construct urban environmental landscape.
文摘During the construction process of the construction project,the construction technology management work can improve the overall quality of the project construction.In the context of increasingly fierce competition in the construction market,construction enterprises should strengthen the management of construction technology,enhance their technical level and market competitiveness,and promote the development of the construction market[1].The paper mainly analyzes the optimization methods of build-Keywords:ing construction technology management.
文摘I.Manuscript FormatManuscripts should be in MS Word format.Authors are advised to download the document,Manuscript Submission Template,as a template or for more details on preparing their submissions for consideration.Authors must ensure that the manuscripts are written in clear and comprehensible English.Manuscripts may be written in either American or British English.Non-English words usage must be kept to a minimum and the font must be italicized(except for e.g.and i.e.).
文摘With the continuous development of society and economy in China, the number of water conserv ancy & hydropower engineering in China increases unceasingly and China s water conserv ancy industry also enters into the stage of rapid development. The construction of water conserv ancy & hydropower engineering promotes social and economic development, so in order to safeguard the benefits of the engineering, cost management shall be done well, which is also an important channel for companies engaging in water conservancy & hydropower engineering to obtain economic benefits. Based on this the paper firstly investigates the problems in water conserv ancy & hydropower engineering cost management and then brings up relevant solutions.
文摘The practice and research of ecological civilization is a focus of current planning and design,as well as a scientific strategy under the current situation of resource constraint,environmental degradation and ecosystem degradation.Urban elements such as buildings,green land,farmland,water systems and mountains can be connected by ecological corridors into a green ecological system design.At present,many ecological and environmental problems,such as urban heat island effect,fog and haze,automobile exhaust have a negative effect on the construction of social ecological environment.In order to build a new modern city with prosperous economy,beautiful environment and social civilization,scientific and efficient ecological corridors should be designed to improve the environmental quality of the eco-city,and promote the construction and development of ecological civilization and green cities.Based on the relevant research and specific practices of ecological corridors at home and abroad,combine the needs of the planning and construction of the Yuzhong Ecological Innovation City,and discuss on the connotation and characteristics of ecological corridors,and discuss the key elements of ecological corridor planning.This article will take the ecological corridor planning of Yuzhong Eco-Innovation City as an example.We design ecological corridor based on field investigation,literature and geographic information system..The planning and design of the ecological corridor in the planning area proposed in this paper can provide positive suggestion on the planning and design of the ecological corridor in other ecological innovation cities.
文摘After the concept of BIM (Building Information Modeling) was proposed around 2000, it developed slowly. With the rapid development of hardware, the IFC standard provides reference standards for BEM collaborative design, enabling BEM collaborative design to effectively solve the shortcomings of traditional 2D drawing design and become a new market trend.
文摘The finite element method is used to simulate the orbital structure,and the finite element model of"rail-sleepers-ballast"can be established.The model of the elastic modulus of different ballast and sleeper is calculated,and the rail displacement,the sleeper stress and the fastening force are deduced.The results show that the elastic modulus of the ballast can be increased to reduce the displacement of the rail and the supporting force of the fastener,but the stress of the sleeper will be increased.When the modu-lus of elasticity increases,the rail displacement,small.
