大瑶山隧道工程回顾

A RETROPECT OF DAYAOSHAN TUNNEL CONSTRUCTION

本文系作者根据工程实践中的亲身体会,介绍了大瑶山隧道建设中采取的一些恰当的主要技术措施,例如采用“新奥法”设计与施工、长隧短做等,并重点阐述了施工方案中斜、竖井位置安排不妥和开工较晚等不足之处,总结了经验教训,供今后长大隧道设计和施工参考。

This paper is a review of the construction of Dayaoshan Tunnel, the longest double-line railway tunnel in China, based on the writer's personnel understanding. In this paper, some proper measures taken in the construction are stated, such as using NATM in design and construction, dividing the long tunnel into several constructional parts, ere.Meanwhile, some deficiencies in construction scheme are especially explained, for example, inadequate locations of the inclined and vertical shafts, delay of the shaft construction, etc. The purpose of this paper is to draw lessons as a reference for tunnel design and construction hereafter.