超长无缝地下结构施工温度监测和养护  

Construction Temperature Monitoring and Maintenance of Super Long Seamless Underground Structure

作　　者：徐左屏 Xu Zuo-ping

机构地区：[1]上海智富建设工程有限公司,上海200336

出　　处：《建筑技术开发》2016年第9期36-36,42,共2页Building Technology Development

摘　　要：上海金光商务区B1-9地块项目地下结构采用无缝自补偿抗裂施工技术,通过混凝土高效ZY外加剂、温度后浇带、应力加强带、温度数字监测、喷淋养护和保温加热措施,借助Cu50铜热电阻温度传感器动态控制内外温差,确保地下室结构混凝土中部温度一般在24~96h达到峰值,内表最大温差为22℃,有效解决了超长无缝地下结构混凝土温度裂缝预防和控制问题。Underground structure of Shanghai Golden commercial district B1-9 to block the project adopts seamless self compensation construction technology crack through efficient ZY concrete admixture,temperature after pouring belt,stress strengthening belt,temperature monitoring digital,sprinkling maintenance insulation and heating measures,Cu50 copper heat resistance temperature sensor dynamic by controlling the temperature difference inside and outside,to ensure that the basement concrete structure temperature in the middle of the general in the 24~96h peak,in the form of maximum temperature of 22 degrees C,effectively solve the overlong jointless underground concrete structure temperature crack prevention and control problems.

关 键 词：超长结构 无缝施工 温度监测 喷淋养护 裂缝控制 

分 类 号：TU755.7[建筑科学—建筑技术科学]