Safety control to rock burst in tunneling

被引：0

作者：

Hirano, T ^{[1
]}

Hirata, A ^{[1
]}

Kameoka, Y ^{[1
]}

机构：

[1] Nishimatsu Construct Co Ltd, Tokyo, Japan

来源：

Contribution of Rock Mechanics to the New Century, Vols 1 and 2 | 2004年

关键词：

rock burst; safety management; AE monitoring; initial stress measurement;

D O I：

暂无

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

If the development to the great depths will continue, the danger of the rock burst will also increase inevitably. It is important to discuss on the counter measure when it causes a rock burst in underground work. Also in our country, the rockburst is actually experienced in the case of several tunnel constructions. In the KAN-ETSU tunnel and the KARISAKA tunnel, the rock burst was actually observed. In both of tunneling work, initial stress measurement of a base rock was carried out and stress analysis to a tunnel was performed based on this result. Moreover, AE measurement was adopted as construction management and safe construction was realized. It becomes the effective data on the safety control to the rock burst generated in tunneling in a future hard base rock to analyze these data collectively. In this research, the examination result of initial stress measurement of a base rock, secondary stress analysis around a tunnel, and AE measurement is shown.

引用

页码：367 / 372

页数：6

共 11 条

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