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超长结构温度应力问题分析与探讨

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超长结构的温度应力是超长结构设计中必须解决的重要问题.本文以某大型综合体为例,系统介绍了超长结构温差计算方法,以及YJK软件温度应力分析的成果,并提出了控制超长结构裂缝的相应措施,可供工程设计参考.分析结果表明,温度应力与结构约束状况有直接关系,楼板所受约束越大,楼板温度应力就越大.
Analysis and Discussion on Temperature Stress Problems of Ultra Long Structure
The temperature stress of ultra long structure is an important issue that must be addressed in the design of ultra long structures.This article takes a large complex as an example to systematically introduce the method for calculating the temperature difference of ultra long structures,as well as the results of temperature stress analysis using YJK software.It also proposes corresponding measures to control cracks in ultra long structures,which can serve as a reference for engineering design.The analysis results indicate that there is a direct re-lationship between temperature stress and structural constraint conditions.The greater the constraint on the floor,the greater the tempera-ture stress on the floor.

super-long concrete structuretemperature differencetemperature stressstructural constraints

郑聪

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福建天正建筑工程施工图审查事务有限公司 福建福州 350001

超长混凝土结构 温差 温度应力 结构约束

2024

福建建设科技
福建省建设厅科技情报中心站 福建省建筑科学研究院

福建建设科技

影响因子:0.5
ISSN:1006-3943
年,卷(期):2024.(1)
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