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小断面隧道悬臂掘进机快速施工技术

Author(s)：
白秀峰

Publication Title：

Wen Yuan (High School Edition) 2020 No.02

Affiliations：
中铁第五勘察设计院集团有限公司高原铁路监理项目部四川康定 626000

Abstract：
如何快速施工复杂外围环境下的小断面隧道成为目前施工单位面临的新问题，传统钻爆法因爆破产生的震动较大在高楼林立的城市和临近既有线隧道区域无法有效的实施，控制爆破开挖和普通的破碎锤开挖的效率低、成本高、安全风险大，无法满足成本和工期要求。本文以广州地铁十八号线冼村站暗挖区间和渝黔铁路安稳隧道泄水洞小断面隧道采用悬臂掘进机快速施工。隧道开挖无需使用炸药，超欠控制好，降低施工成本，同时对围岩损伤小、扰动少、安全性高。机械化作业程度提高，作业质量更易控制，大大减少了影响质量的人为因素。

Keywords：
小断面；掘进机；隧道

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[1] 白秀峰.小断面隧道悬臂掘进机快速施工技术[J].Wen Yuan (High School Edition),2020(02),.

文渊(高中版)

Wen Yuan (High School Edition)

Language: 中文

CN：11-9276/G

ISSN：2096-6288

Publication Frequency: 月刊

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