Empirical estimates of TBM performance in hard rock

被引：0
|
作者：
Stevenson, GW [1 ]
机构：
[1] Klohn Crippen Consultants Ltd, Vancouver, BC, Canada
来源：
1999 RAPID EXCAVATION AND TUNNELING CONFERENCE, PROCEEDINGS | 1999年
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Data from many case histories reporting tunnel boring machine penetration rates in rock with unconfined compressive strengths greater than 70 MPa (10,000 psi) are summarized. The case history data are useful for comparing estimated penetration rates with historic performance in similar rock types, particularly in granitic and metamorphic rocks. TBM exhibit higher penetration rates in sedimentary rocks than in granitic and metamorphic rocks. Data for the two groups of rocks are summarized separately.
引用
收藏
页码：993 / 1009
页数：17
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