施工技术 2016年12月上 130 CONSTRUCTION TECHNOLOGY 第45卷第23期 D0I:10.7672/5js2016230130 深圳平安金融中心超大直径嵌岩端承桩设计与施工* 廖钢林,徐超卓 (中建一局集团建设发展有限公司,北京100102) [摘要]以深圳平安金融中心工程为依托介绍超大直径人工挖孔爆破嵌岩端承桩设计与施工关键技术.针对8m 超大直径、7O0000kN超大承载力嵌岩端承桩成孔、降水、周边变形控制等施工技术难题,通过理论研究、现场实测、 工程实体验证,形成极端复杂基坑周边环境微变形控制和超大直径人工挖孔爆破嵌岩端承桩施工综合关键技术. [关键词]高层建筑;嵌岩端承桩;人工挖孔;设计;施工技术 [中图分类号]TU753 [文献标识码]A[文章编号]1002-8498(2016)23-0130-04 Design and Construction of the Rock-socketed and End-bearing Piles with Super Large Diameter for Shenzhen Ping'an Financial Center Building Liao Ganglin Xu Chaozhuo (China Construction First Division Group Construction Development Co.Lad.Beijing 100102 China) Abstract:Taking Shenzhen Ping'an Financial Center project as an example to introduce key construction technology of rock-socketed and end-bearing piles with super large diameter and manual dig hole blasting this paper aimed at construction technology problems of manual digging hole precipitation and the surrounding deformation control at 8m large diameter and 700 000kN large bearing capacity for rock- socketed pile and formed micro deformation control around extremely plicated foundation excavation surroundings and prehensive key construction technology of rock-socketed and end-bearing piles with super large diameter and manual dig hole blasting. Key words:tall buildings rock-socketed and end-bearing piles;manual hole digging;design;construction 1工程概况 深圳平安金融中心地处深圳市福田中心区,由 福华路、益田路、福华三路及中心二路围成.益田 路地下有规划中的广深高铁,福华路地下有已投入 使用的地铁1号线.塔楼地上118层,地下5层,结 构形式为“巨...
深圳平安金融中心超大直径嵌岩端承桩设计与施工.pdf
