Research on High-Pressure Chemical Churning Pile in Loess Tunnel Foundation Reinforcement

被引：2
|
作者：
Liu Dapeng [1 ]
Yang Xiaohua [1 ]
Mao Zhengjun [1 ]
机构：
[1] Changan Univ, Sch Highway, Xian 710064, Peoples R China
来源：
2013 FOURTH INTERNATIONAL CONFERENCE ON DIGITAL MANUFACTURING AND AUTOMATION (ICDMA) | 2013年
关键词：
High-Pressure Chemical Churning Pile; Loess; Tunnel Foundation; Composite Foundation;
D O I：
10.1109/ICDMA.2013.248
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
High-pressure chemical churning pile is used to reinforce soft soil foundation. Pile, pile soil and mattress layer constitute composite foundation which has large strength and small settlement. In the paper, reinforcement mechanism of high-pressure chemical churning pile is analyzed, strength calculation formula of composite foundation that using high-pressure chemical churning pile to reinforce loess tunnel foundation is given, finite element model of settlement calculation is established. The author analysis the influence of pile length, pile diameter and pile spacing on composite foundation maximum settlement, and draws the conclusion that increasing pile diameter and pile length and decreasing pile spacing can reduce the maximum settlement of composite foundation. The paper lists the project using high-pressure chemical churning pile to reinforce loess tunnel foundation. It proves that high-pressure chemical churning pile is an effective method in loess tunnel foundation reinforcement.
引用
收藏
页码：1058 / 1060
页数：3
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