土工基础

›› 2016, Vol. 30 ›› Issue (3): 288-290.

• 工程实录 • 上一篇    下一篇

组合钢板桩在武汉市政基坑中的技术及经济性探讨

余敦猛   

  1. (武汉市政工程设计研究院有限责任公司， 武汉 430023)
  • 收稿日期:2016-03-28 修回日期:2016-04-09 出版日期:2016-06-20 发布日期:2016-06-21
  • 作者简介:余敦猛（1983-），男，湖北黄石人，硕士，工程师，研究方向岩土工程勘察、设计及施工。

Applications of Combined Steel Sheet Pile Support in Municipal Deep Excavations of Wuhan

YU Dunmeng   

  1. (Wuhan Municipal Engineering Design & Research Institute Co. Ltd, Wuhan 430023)
  • Received:2016-03-28 Revised:2016-04-09 Online:2016-06-20 Published:2016-06-21

摘要： 武汉地区直立开挖的市政基坑一般采用灌注桩结合内支撑支护，或者采用SMW工法桩结合内支撑支护。两种方法造价均较高，工期较长，并且会破坏地下水的渗透路径和自然补给。若采用组合钢板桩结合内支撑支护，在技术上具有可行性，在经济和工期上也具有很大优势。组合钢板桩支护体系可完全回收，不会对地下水的渗透路径和自然补给造成破坏，值得推广应用。

关键词: 组合钢板桩, 市政基坑, 技术经济

Abstract: The conventional supporting system in the deep excavation for municipal projects in Wuhan is using the castinplace reinforced concrete pile with internal support or soil mixing wall (SMW) with internal support. Both methods usually lead to a high cost and long construction period. And the natural recharge and seepage path of the groundwater will be adversely affected. If the combined steel sheet piles with internal supporting are used, it is technically feasible and have merits to both cost and construction schedule. The combined steel sheet piles system can be completely recycled without affecting on the seepage path or natural recharge after the construction.

Key words: Combined Steel Sheet Pile, Municipal Deep Excavations, Technology and Economics