Study on in-situ monitoring of the surrounding rock pressure of the shallow large-span tunnel in the tunnel construction process

被引：1
|
作者：
Li, Xinzhi [1 ]
Li, Shucai [1 ]
Li, Yingyong [1 ]
Li, Shuchen [1 ]
机构：
[1] Shandong Univ, Geotech & Struct Engn Res Ctr, Jinan 250100, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING APPLICATION II | 2012年 / 413卷
关键词：
surrounding rock pressure; in-situ monitoring; shallow large-span tunnel; conditional curve;
D O I：
10.4028/www.scientific.net/AMR.413.454
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The surrounding rock pressure which was determined effectively through in-situ monitoring was the important parametric of the tunnel engineering design. According to in-situ monitoring of the surrounding rock pressure in the relied engineering. The adjustment and distribution characteristics of surrounding rock pressure of the shallow large-span tunnel with three-level seven-step parallel tunnel excavation was studied, the results showed that the arch and sides of the tunnel arch foot were the key parts which concentrated the surrounding rock pressure. The adjustment and distribution of surrounding rock pressure had not obvious relationships with tunnel face distance. Finally, the composite factors that impacted monitoring results of the surrounding rock pressure was analysed. The results had great significance on the development and perfection of the surrounding rock pressure theory in shallow large-span tunnel.
引用
收藏
页码：454 / 458
页数：5
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