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一、盾构施工法概况 1.盾构施工法的历史与发展:由于城市的发展,地下设施也必然跟着发展,象上水下水管道、动力电讯电缆管道、以及铁路道路的隧道这些地下设施施工,受到交通的限制,逐步由大开槽施工转向沉埋施工和隧道施工。隧道施工发展起来的以土壤为对象的施工方法,有盾构施工法、顶进施工法、牵引施工法和小管径的顶管施工法等,这些施工方法又都各有其各自的适应范围。一般的情况有如下表:
I. Overview of Shield Construction Method 1. History and Development of Shield Construction Method: Due to the development of the city, the underground facilities will inevitably follow the development of underground facilities such as Sheung Shui Sewer Line, Power Telecommunication Cable Pipeline and Tunnels of Railway Roads , Subject to traffic restrictions, and gradually from the big slot construction turned to the construction of buried and tunnel construction. The soil-oriented construction methods developed for tunnel construction include shield construction method, jacking construction method, traction construction method and pipe jacking method with small diameter, etc. These construction methods each have their respective adaptability . The general situation has the following table: