海河开启桥主墩大体积承台冬期施工裂缝控制措施  

CONTROL MEASURES FOR CRACK ON MASSIVE MAIN PIER BASE OF HAIHE RIVER MOVABLE BRIDGE IN WINTER

作　　者：张海燕 

机构地区：[1]中铁十四局集团第三工程有限公司,山东兖州272100

出　　处：《建筑技术》2012年第4期373-375,共3页Architecture Technology

摘　　要：从原材料选择、配合比设计、混凝土施工工艺及质量控制等方面,介绍天津塘沽区海河开启桥工程大体积深水承台冬期施工采取的措施,着重阐述大体积混凝土承台冬期施工混凝土防裂的控制关键和施工方法。Measures adopted for construction of massive deep-water pier base of Haihe River movable bridge in winter in Tanggu District of Tianjin are introduced on such aspects as selection of raw material, design of mixture proportion, concrete construction process and quality control, etc. Key points for concrete crack control and construction methods for massive concrete pier base in winter are explained in details.

关 键 词：开启桥 大体积 承台 冬施 养护 裂缝 温度控制 

分 类 号：TU712[建筑科学—建筑技术科学]