oaioai:CiteSeerX.psu:10.1.1.598.4965

A TWO-DIMENSIONAL APPROACH FOR DESIGNING TUNNEL SUPPORT IN WEAK ROCK

Abstract

The design of support for tunnels in weak rock is an iterative process. A good starting point is essential to the process and facilitates safe and economic design. Support design for tunnels in weak rock is a clearly three-dimensional problem. However, currently there are very few practical three-dimensional software tools for carrying out the task. This paper provides an overview of a methodology being used by tunnelling experts, which captures the three-dimensional essentials of tunnel behaviour with two-dimensional analysis tools. The methodology allows support designers to start off with reasonable estimates of support requirements that can be quickly refined to meet requirements. RÉSUM

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oaioai:CiteSeerX.psu:10.1.1.598.4965Last time updated on 10/29/2017

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