土工基础

›› 2012, Vol. 26 ›› Issue (5): 32-34.

• 工程实录 • 上一篇    下一篇

深圳机场中心变电站地基处理沉降监测分析

张 计，胡胜刚，姜志全   

  1. （长江水利委员会长江科学院水利部岩土力学与工程重点实验室，武汉 430010）
  • 收稿日期:2012-09-03 出版日期:2012-10-20 发布日期:2012-10-27
  • 作者简介:张计(1978-)，男，毕业于武汉大学工程力学专业，工程师，研究方向为岩土工程。

Analysis of Shenzhen Airport Center substation  ground subsidence treatment monitoring

ZHANG Ji,  HU Shenggang, JIANG Zhiquan   

  1. (Changjiang River Scientific Research Institute, Key Laboratory of Geotechnical Mechanics and Engineering of the Ministry of Water Resources, Wuhan, 430010)
  • Received:2012-09-03 Online:2012-10-20 Published:2012-10-27

摘要： 深圳机场110/10KV中心变电站建在填海场地之内，该场区淤泥平均层厚9.5 m，具有高含水量、高压缩性、极低强度、欠固结等特点。采用排水板＋堆载预压的方法对该软土地基进行处理，对整个施工和预压过程进行了全程监测，监测数据显示地基土性质明显改善，工后沉降满足设计要求。

关键词: 堆载预压, 排水板, 地基处理, 沉降, 监测, 深圳机场

Abstract: Shenzhen Airport 110/10KV central substation was constructed within a reclaimed land. The site has an average muck thickness of 9.5 meters. The mucky soils have characteristics of high water content, high compressibility, low shear strength and in an underconsolidated state under the fill soil loading condition. The site was improved with surcharging and prefabricated vertical drains method. This paper presented the geotechnical monitoring results during the construction and surcharging period.

Key words: Surcharge Preloading, Prefabricated Vertical Drain, Ground Improvement, Settlement,Monitoring, Shenzhen Airport