天津高银117大厦基坑重力坝施工关键技术.pdf

2017年2月上 施工技术 第46卷第3期 CONSTRUCTION TECHNOLOGY D0I:10.7672/sgs2017030001 天津高银117大厦基坑重力坝施工关键技术 余地华1，叶建2，付国2，刘浩昆2，胡佳楠2 (1.中建三局集团有限公司，湖北武汉430064；2.中建三局集团有限公司 工程总承包公司，湖北武汉430064) [摘要]随着社会的不断发展和进步，各项工程项目建设逐渐兴起，随之而来的施工质量安全问题逐渐成为社会关 注的焦点，尤其是超高层建筑基坑施工质量，直接决定了地下结构的稳固与安全.对于基坑面积较大、基坑边线与 用地红线距离较近的施工现场，无法采用传统的放坡或预应力铺索等技术.以天津高银117大厦基坑工程的建设 为例，简单介绍了一种重力坝施工技术，剖析了几种不同重力坝组成部分的施工流程与工艺. [关键词]地下工程；基坑；土压力；重力坝；施工技术 [中图分类号]TU753 [文献标识码]A [文章编号]1002-8498(2017)03-0001-03 The Key Construction Technology of Foundation Excavation Gravity Dam of Tianjin Gaoyin 117 Building Yu Dihua' Ye Jian2 Fu Guo2 Liu Haokun2 Hu Jia'nan? (1.China Construction Third Engineering Bureau Group Co.Ltd.Wuhan Hubei 430064 China; 2.General Construction Company of CCTEB Group Co.Ltd.Wuhan Hubei 430064 China) Abstract:With the continuous development of society and progress the number of construction projects gradually rises.The construction quality and safety problems gradually bee the focus of attention especially in super tall building foundation excavation construction which directly determines the steady and safety of underground structure.For large area foundation excavation construction site traditional slope or prestressed anchor cable technologies can't effectively solve the earth pressure problems.Taking the construction of Tianjin Gaoyin 117 Building foundation excavation engineering as an example this paper introduces a kind of gravity dam construction technology analyzes the several different gravity dam ponent ...