摘要
科学合理地选择基坑支护方案是工程安全实施的基础。考虑深基坑实际情况及其灰色关联性,建立基于SEM赋权与灰色关联理论的深基坑支护方案优选决策模型。首先,将深基坑支护方案优选指标分为环境、方案技术、施工、工程造价4个一级指标和其余14个二级指标,运用结构方程模型验证方案优选评价指标体系有效性并确定指标权重;再利用灰色关联理论模型进行深基坑支护方案优选,最后结合工程实例进行验证。结果表明:运用SEM赋权与灰色关联理论模型优选得出的方案,与工程实际采取方案一致。表明了该模型具有一定实际应用价值,为相关工程提供借鉴参考。
Scientific and reasonable selection of foundation pit support scheme is the foundation of engineering safety implementation.Considering the actual situation of deep foundation pit and its grey correlation,a decision-making model of deep foundation pit support scheme optimization based on SEM weighting and grey correlation theory is established.First of all,the optimization indexes of deep foundation pit support scheme are divided into four first-class indexes:environment,scheme technology,construction and project cost,and the other 14 second-class indexes.The structural equation model is used to verify the effectiveness of the optimization evaluation index system and determine the index weight,then,the gray correlation theory model is used to optimize the support scheme of deep foundation pit,and finally,the project example is used to verify.The results show that the scheme obtained by using SEM weighting and grey correlation theory model is consistent with the scheme adopted in engineering practice.It shows that the model has certain practical application value,and provides reference for related projects.
作者
洪文霞
李蓓蓓
张利源
鹿乘
HONG Wen-xia;LI Bei-bei;ZHANG Li-yuan;LU Cheng(School of Management and Engineering, Qingdao University of Technology, Qingdao Shandong 266520,China)
出处
《佳木斯大学学报（自然科学版）》
CAS
2020年第2期11-15,共5页
Journal of Jiamusi University：Natural Science Edition
基金
国家自然科学基金项目(71471094)。
关键词
深基坑支护
方案优选
结构方程赋权
灰色关联理论
deep foundation pit support
scheme optimization
structural equation weighting
grey relation theory
