Discrete numerical model for analysis of earth pressure balance tunnel excavation

被引：156
|
作者：
Maynar, MJM [1 ]
Rodríguez, LEM [1 ]
机构：
[1] Univ A Coruna, ETS Ingn Caminos, La Coruna 15192, Spain
来源：
JOURNAL OF GEOTECHNICAL AND GEOENVIRONMENTAL ENGINEERING | 2005年 / 131卷 / 10期
关键词：
Discrete elements; Numerical models; Particulate media; Soil stabilization; Tunneling;
D O I：
10.1061/(ASCE)1090-0241(2005)131:10(1234)
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Two extension projects have been carried out recently on the Madrid Metro, including 97 kin of large-diameter (9.38 m) tunnels. Some technical specifications for the shields (thrust and torque) needed to excavate the tunnels have been analyzed in this work. The soil stability problem at the tunnel face has also been studied. Numerical tools based on a discrete method (particulate materials) have been used for these purposes. Results from the models are compared with real data and show the promising possibilities of the method to design both tunnels and tunneling machines.
引用
收藏
页码：1234 / 1242
页数：9
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