摘要
为探究预制内外复合保温模壳拼装墙体结构中的卡板连接件对墙体热工性能的影响,通过热工理论计算、试验研究、ANSYS有限元热分析模拟软件3种方法,对比分析了无连接件、不同数量连接件以及双面抹灰不同条件下墙体的传热系数。结果表明:在无连接件条件下,实际墙体热工试验测试值与热工理论计算值的误差较小;连接件数量越多,热桥效应越明显,墙体的热工性能越差;采用有限元模拟软件对墙体进行热工设计结果较精确,可作为设计依据;研究结果可为模壳拼装墙体在超低能耗建筑的应用及能耗分析提供借鉴。
In order to explore the influence of the plate connector on the thermal performance of the prefabricated interior and exterior composite insulation mold shell assembled wall,the heat transfer coefficients of the walls under different conditions were obtained by comparing and analyzing walls with non-connecting parts,different number of connecting parts and single and double plastered walls by using the methods of thermal theory calculation,practical test detection and ANSYS finite element thermal analysis simulation software.The results show that under the condition of non-connecting parts,the error between the actual wall thermal test values and the theoretical thermal calculation values is relatively small.The more connectors there are,the more obvious the thermal bridge effect,and the poorer the thermal performance of the wall.The thermal design results of the wall by using finite element simulation software are accurate and can be used as a design basis.The results provide reference for subsequent energy consumption analysis in ultra-low energy consumption buildings.
作者
王洪镇
张笑笑
杨永恒
王璟
褚文斌
高潇
李雨泽
WANG Hongzhen;ZHANG Xiaoxiao;YANG Yongheng;WANG Jing;CHU Wenbin;GAO Xiao;LI Yuze(College of Civil Engineering,Northwest University of Nationalities,Lanzhou 730124,China;Key Laboratory for Energy Saving of New Building Materials and Buildings in Gansu Province,Lanzhou 730030,China)
出处
《混凝土与水泥制品》
2024年第4期70-76,共7页
China Concrete and Cement Products
基金
甘肃省科技计划项目基础研究创新群体项目(20JR10RA130)
兰州市科技计划项目(2021-1-137)。
关键词
内外复合保温模壳
卡板连接件
拼装墙体
热桥效应
传热系数
Internal and external composite insulation mold shell
Card connector
Assembled wall
Thermal bridge effect
Heat transfer coefficient
