HIGH SPEED TWO (HS2)—GENERAL OVERVIEW OF PROJECT WITH FOCUS ON TUNNELLING CHALLENGES

机译：高速二（HS2）-隧道挑战重点项目的总体概述

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The High Speed Two (HS2) scheme ($64 billion) will provide a high speed railway networkrnincreasing connectivity & capacity across the United Kingdom (UK). Up to 62 kmrnof twin bore and 10 km of twin cell cut- and-cover tunnels are planned with associatedrncross passages and shafts. A preliminary design has been completed to define thernoptimum route and the associated environmental details for government approvals.rnThe tunnelling challenges have included: increasing the total tunnel length (8.5 km)rnapproaching London to avoid a surface alignment disrupting important infrastructure;rnresolution with the interface with Old Oak Common Station; tunnelling throughrnGroundwater Source Protection Zones and Areas of Outstanding Natural Beauty; tunnellingrnbeneath Ancient Woodlands; an additional (2.8 km) tunnel avoiding a surfacernalignment though an elevated highway area near Birmingham; and the logistics associatedrnwith the supply of tunnel segments and transportation & disposal of the excavatedrnmaterial from the underground construction activities. This paper describes how thesernchallenges were overcome with review of the tunnel route options, route selection,rnaerodynamic design and also summarises the work done by HS2 Ltd to explain thernimpacts of tunnelling for use in public consultation.

机译：高速铁路（HS2）计划（640亿美元）将提供高速铁路网络，从而提高整个英国（英国）的连通性和容量。计划规划多达62 kmrnof的双孔和10 km的双室明挖和掩埋隧道，以及相关的交叉通道和竖井。已经完成了初步设计，以定义最佳路线和相关的环境细节以供政府批准。隧道的挑战包括：增加隧道总长度（8.5 km）接近伦敦以避免地面对准破坏重要的基础设施;与接口的分辨率老橡树公共车站；穿越地下水源保护区和自然美景保护区的隧道；在古老的林地下面隧道一条额外的（2.8公里）隧道，避免通过伯明翰附近的高架公路区域进行地面对准；以及与隧道段的供应以及地下建筑活动中挖掘的材料的运输和处置相关的物流。本文介绍了如何通过审查隧道路线选择，路线选择，动能设计来克服难题，并总结了HS2 Ltd所做的工作，以解释隧道施工对公众的影响。

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来源
《Rapid Excavation and Tunneling Conference 2015 proceedings》|2015年|152-179|共28页
会议地点 Washington DC(US)
作者
Colin Rawlings; John Carroll; Mark Leggett; Ben Harland; Ian Gee; Virginia Portal Cabezuelo; Hyuk-il Jung;
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CH2M Hill/HS2 Ltd.;

Skanska/HS2 Ltd.;

Mott MacDonald;

Mott MacDonald;

Atkins;

INECO;

Arup;

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原文格式 PDF
正文语种 eng
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HIGH SPEED TWO (HS2)—GENERAL OVERVIEW OF PROJECT WITH FOCUS ON TUNNELLING CHALLENGES

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