大体积混凝土底板与普通厚度底板温度及温度应力对比分析  

Comparative Analysis on Temperature and Temperature Stress of Mass Concrete Bottom Plate and Ordinary Thickness Bottom Plate

作　　者：张彪 张同波 于德湖 李翠翠 叶林 ZHANG Biao;ZHANG Tongbo;YU Dehu;LI Cuicui;YE Lin(School of Civil Engineering,Qingdao University of Technology,Qingdao,Shandong 266033,China;Qingjian Group Co.,Ltd.,Qingdao,Shandong 266071,China;Shandong Jianzhu University,Jinan,Shandong 250101,China)

机构地区：[1]青岛理工大学土木工程学院,山东青岛266033 [2]青建集团股份公司,山东青岛266071 [3]山东建筑大学,山东济南250101

出　　处：《施工技术（中英文）》2023年第1期99-105,124,共8页Construction Technology

基　　金：山东省重点研发计划项目(2021CXGC011204)。

摘　　要：超长混凝土底板随着城市建设的发展得到广泛应用,其无缝施工技术的关键在于解决温差与应力问题。通过3个不同厚度底板的温度监测试验,对大体积混凝土底板与普通厚度底板的温度及温度应力进行研究。对比两种底板在不同时间阶段温度及温度应力变化的差异性,得到两种底板的温差构成、温度及温度应力变化规律的不同特点。The extra-long concrete bottom plate is widely used with the development of urban construction,and the key of its seamless construction technology is to solve the problem of temperature difference and stress.Through the temperature monitoring tests of three bottom plates with different thickness,the temperature and temperature stress of mass concrete bottom plate and ordinary thickness bottom plate were studied.The differences in temperature and temperature stress changes of the two kinds of bottom plates at different time stages were compared.The different characteristics of temperature difference composition,temperature change and temperature stress change of two kinds of bottom plates are obtained.

关 键 词：基础 混凝土 底板 温度变化 温差 温度应力 

分 类 号：TU317[建筑科学—结构工程]