“结构-隔热”一体化墙体粮食侧压力下力学性能影响因素分析

摘要:

“结构-隔热”一体化墙体是一种新型粮食平房仓构件.为研究墙体参数对其在粮食荷载作用下的力学性能影响,通过有限元模拟分析,探究了连接件的直径、间距、墙体厚度及保温板厚度对墙体挠度、应力的影响.结果表明:在常用范围内,连接件直径及墙体厚度对“结构-隔热”一体化墙体的挠度和应力影响较为显著,连接件的间距及保温板的厚度影响较小.墙体挠度随连接件直径的增大而减小,但易出现应力集中、突变现象.墙体挠度随墙厚度的增大而减小,且内外叶墙单独受力,内叶墙在一定范围内越厚使连接件扭曲越小,对结构越有利.研究成果为“结构-隔热”一体化墙体在实际工程中的设计及优化提供参考.

Structure-Insulationintegrated wall is a new type of grain bungalow component.In order to study the influence of wall parameters on its mechanical properties under the action of grain load,this paper explored the influence of the diameter and spacing of the connector,the thickness of the wall,and the thickness of the insulation board on the deflection and stress of the wall,through finite element simulation.The results show that in the commonly used range,the diameter of the connector and the thickness of the wall have a great influence on the deflection and stress of thestructure-thermal insulationintegrated wall,while the spacing of the connector and the thickness of the thermal insulation board have little effect.The deflection of the wall decreases with the increase of the diameter of the connector,however,is prone to stress concentration and sudden change.The deflection of the wall decreases with the increase of the wall thickness.The inner and outer walls are separately stressed,and the thicker the inner leaf wall within a certain range,the smaller the distortion of the connector,which is more beneficial to the structure.The results provide a reference for the design and optimization of theStructure-Insulationintegrated wall in practical engineering.

作者:

丁永刚 宋战炯 陈科委 许启铿 刘浩宇

Ding Yonggang;Song Zhanjiong;Chen Kewei;Xu Qikeng;Liu Haoyu(College of Civil Engineering,Henan University of Technology,Zhengzhou 450001,China;Henan Key Laboratory of Grain Storage Facility and Safety,Zhengzhou 450001,China)

机构地区:

河南工业大学土木工程学院

出处:

《河南师范大学学报(自然科学版)》 CAS  2024年第1期100-107,I0006-I0010,共13页

Journal of Henan Normal University(Natural Science Edition)

基金:

国家重点研发计划课题(2016YFD0401601)。

关键词:

“结构-隔热”一体化墙体 粮食荷载 力学性能 影响因素

Structure-Insulationintegrated wall grain load mechanical property influencing factor

分类号:

‍

TU375 [建筑科学—结构工程] 

“结构-隔热”一体化墙体粮食侧压力下力学性能影响因素分析.pdf