宜万铁路大支坪隧道+990岩溶治理技术

马栋,李庚许

中国工程科学 ›› 2009, Vol. 11 ›› Issue (12) : 53 -60.

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中国工程科学 ›› 2009, Vol. 11 ›› Issue (12) : 53 -60.

宜万铁路大支坪隧道+990岩溶治理技术

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Treatment techniques for +990 Karst ofDazhiping Tunnel of Yichang-Wanzhou Railway

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摘要

主要介绍宜万铁路大支坪隧道DK133+990岩溶异常体水文地质特征、岩溶发育规模、高压富水溶腔突水突泥经过及特点,并根据溶洞工程、水文地质条件及历次突水突泥机理,综合考虑施工及运营安全等多种因素,遵循“释能降压、注浆加固、超前支护、综合治理”的原则进行溶洞治理。

Abstract

This paper mainly introduced Yichang-Wanzhou Railway Dazhiping Tunnel DK133+990 karst excrescent body's hydrogeology characteristics, karst development scale, water inrush and mud burst processes and characteristics of high-pressure water-rich cavern. According to karst cave project, hydrogeology condition and water inrush and mud burst mechanisms, cave processing should comprehensively take many factors, such as construction and operation safety, ect. into consideration, and abide by the principle of "releasing energy to reduce pressure, reinforcing by grouting, supporting in advance and processing comprehensively" .

关键词

岩溶隧道 / 工程及水文地质 / 突水突泥 / 综合治理

Key words

Karst tunnel / engineering and hydrogeology / water inrush and mud burst / comprehensive processing

Author summay

马栋(1963-),男,河南方城县人,教授级高级工程师,主要从事隧道与地下工程的施工、科研工作

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马栋,李庚许 宜万铁路大支坪隧道+990岩溶治理技术[J]. 中国工程科学, 2009, 11(12): 53-60 DOI:

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