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随着社会经济的发展,现代城市交通拥挤问题日益突出。修建地下铁道己成为解决该问题的有效途径之一,而且越来越多地要求考虑对地面和地下空间的综合开发利用。城市地铁车站建设受施工场地、城市交通等多方面因素的限制,施工难度较大。采用盖挖法施工,不仅缩短局部施工占地时间、缓解了交通压力,而且为远期换乘车站的施工创造了有利的条件。盖挖法可以细分为盖挖顺筑法,盖挖逆筑法、盖挖半逆筑法等几个分支。本文重点阐述盖挖逆作法。
With the social and economic development, the problem of traffic congestion in modern cities has become increasingly prominent. The construction of the Mass Transit Railway has become one of the effective ways to solve this problem, and more and more calls for considering the comprehensive development and utilization of the ground and underground space. The construction of metro stations in a city is limited by many factors such as construction sites and urban traffic, making construction more difficult. The use of cover excavation construction, not only shorten the construction time of local construction, ease the traffic pressure, but also for the long-term transfer station construction has created favorable conditions. Cover digging method can be subdivided into cover digging build method, cover digging inverse building method, cover excavation and so on. This article focuses on cover dug reverse method.