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首页> 外文会议>Proceedings of the 2nd international symposium on Asia urban geoengineering >Railway Underground Adjacent Construction and Design Issues in Soft Soil of Taipei Urban Area
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Railway Underground Adjacent Construction and Design Issues in Soft Soil of Taipei Urban Area

机译：台北市区软土铁路地下邻近施工及设计问题

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摘要

Low soil strength and high ground water level are the geotechnical engineering characteristics of the soil deposit in Taipei urban area. The railway underground project of Taiwan Railway Administration (hereinafter called the "TRA")/Taiwan High Speed Railway (hereinafter called the "THSR") is majorly constructed in congested metropolitan area with high density building and limited space. The key issue is to ensure the security of existing railway operation and to protect the buildings close to the construction site with soft soil condition. This article makes a summary about the design and construction feature for the Nangang extension of the railway underground project in Taipei city. Design features include pile foundation, underpinning slab and temporary supporting posts to withstand the loading of temporary tracks and platforms, ground improvement to increase the strength of soil to ensure the stability of 20 m deep excavation and bearing capacity of cut & cover tunnel with the condition of soil strength Su = 2 t/m~2 and groundwater level about 1 m below ground level. Construction features include the removal schedule of existing tunnel and station, new tunnel and station construction process, risk management, safety monitoring system of deep excavation, and control of construction vibration and noise. Prevention design concept that reduce risk and ensure continuous operations of the TRA in the construction process of the project can be adopted as a reference in similar case for future engineers.
机译：低土壤强度和高地下水位是台北市区土壤沉积物的岩土工程特征。台湾铁路局（以下简称“ TRA”）/台湾高速铁路（以下简称“ THSR”）的铁路地下工程主要建设在人口密集的大都市地区，建筑密度高，空间有限。关键问题是要确保现有铁路运营的安全性，并在软土条件下保护靠近施工现场的建筑物。本文对台北市地铁地下工程南港支线的设计和施工特点进行了总结。设计特点包括桩基，托板和临时支撑柱，以承受临时轨道和平台的载荷；进行地面改良以增加土壤强度，以确保20 m深开挖的稳定性以及在一定条件下的开挖和覆盖隧道的承载力Su = 2 t / m〜2的土壤强度和地下水位低于地面1 m。施工特点包括现有隧道和车站的拆除时间表，新的隧道和车站的施工过程，风险管理，深基坑安全监控系统以及施工振动和噪声的控制。可以在项目的建设过程中采用降低风险并确保TRA连续运行的预防设计理念，作为将来工程师类似情况的参考。

著录项

  • 来源
  • 会议地点 Changsha(CN)
  • 作者

    Chung-Ren Huang; Jimmy Chen; Wen-Jen Chang; Tai-Shen Pan; Chen-Yuan Liao; Chung-Yi Tsai;

  • 作者单位

    Sinotech Engineering Consultant, Ltd., Taipei, Republic of China,Office of Rapid Transit Systems, Department of Transportation, Taoyuan City Government, Taoyuan City, Republic of China,Railway Reconstruction Bureau, Ministry of Transportation Communication, Taipei, Republic of China;

    Sinotech Engineering Consultant, Ltd., Taipei, Republic of China,Office of Rapid Transit Systems, Department of Transportation, Taoyuan City Government, Taoyuan City, Republic of China,Railway Reconstruction Bureau, Ministry of Transportation Communication, Taipei, Republic of China;

    Sinotech Engineering Consultant, Ltd., Taipei, Republic of China,Office of Rapid Transit Systems, Department of Transportation, Taoyuan City Government, Taoyuan City, Republic of China,Railway Reconstruction Bureau, Ministry of Transportation Communication, Taipei, Republic of China;

    Sinotech Engineering Consultant, Ltd., Taipei, Republic of China;

    Office of Rapid Transit Systems, Department of Transportation, Taoyuan City Government, Taoyuan City, Republic of China;

    Railway Reconstruction Bureau, Ministry of Transportation Communication, Taipei, Republic of China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Adjacent construction; Underpinning slab; Risk management; Monitoring system; Cut cover tunnel;

    机译：相邻建筑；支撑板风险管理;监视系统;挖盖隧道;

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