Cutting protection at the entrance of a tunnel passing through unstable slopes

被引:0
|
作者
Branko, S [1 ]
Bogdan, S [1 ]
Meho-Sasa, K [1 ]
机构
[1] Inst Civil Engn, Zagreb 10000, Croatia
关键词
D O I
暂无
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
The Sveti Marko tunnel was built on the Zagreb-Rijeka motorway. The approach cutting and the hillside portion of the tunnel pass through an unstable hillside. The protection of the cutting was designed and performed using shotcrete as well as the IBO and IBI anchors. The excavation was realized using horizontal and vertical links. The measurement system applied was quite complex: vertical deformeters and inclinometers, horizontal deformeters, geodetic measurements and measurement of forces in anchors. The entry to tunnel was protected by a pipe roof. The rate of progress and the support system were confirmed on trial sections.
引用
收藏
页码:1425 / 1428
页数:4
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