土工基础

›› 2015, Vol. 29 ›› Issue (4): 19-22.

• 工程实录 • 上一篇    下一篇

大直径旋挖成孔灌注桩处理复杂岩溶地基

雷燚中   

  1. （贵州首钢国际工程技术有限公司，贵州六盘水 553028）
  • 收稿日期:2014-08-12 出版日期:2015-08-20 发布日期:2015-11-06
  • 作者简介:雷燚中（1972-），男，工程师，研究方向为岩土工程勘察及施工。

Large Diameter Rotary Drilled Cast-in-Place Concrete Piles in Karst Rock Formations

LEI Yizhong   

  1. (Guizhou Shougang International Engineering Technology Co., Ltd., Liupanshui 553028)
  • Received:2014-08-12 Online:2015-08-20 Published:2015-11-06

摘要： 分析总结了复杂岩溶地质条件下, 采用大直径旋挖成孔桩基础处理复杂岩溶地基中易产生的工程质量事故及处理措施，提高了强岩溶地区基础施工效率，取得良好的社会效益及经济效益。

关键词: 旋挖成孔灌注桩, 钢护筒, 复杂岩溶地基, 岩溶洞隙

Abstract: This paper presents the rotary drilled, castinplace concrete pile installation techniques in the complicated karst rock formations. The common quality hazard during the pile installation and their remediation measures are discussed with an aim of improvement quality and efficiency of the concrete piles in karst formations.

Key words: Rotary Drilled； Cast-in-Place Concrete Piles, Steel Casing, Complicated Rock Cavities, Fissured Rock Formation