RECENT DEVELOPMENTS IN CANADIAN TUNNELLING TECHNOLOGY.

被引：0

作者：

Stewart, D.B.

机构：

来源：

World mining equipment | 1986年 / 10卷 / 04期

关键词：

TUNNELING MACHINES;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In the late 1970s the Cape Breton Development Corporation delineated a submarine coal resource off Cape Pierce on Cape Breton Island, Nova Scotia, Canada. Following a project definition study, site work commenced at the Donkin-Morien Development Project in 1980. In 1981/82 a demonstration of an experimental tunnel boring machine took place in the second tunnel. The experimental unit was a 4 m diameter earth tunnelling machine modified by Lovat Tunnel Equipment Inc, Beaver Underground Structures and Hughes Tool Ltd to carry a rock-cutting head. Success led to a decision to construct a prototype 7. 6 m diameter machine which is described.

引用

页码：36 / 37

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