北山隧道式大跨度地下四季滑雪场围岩稳定性研究

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摘要针对吉林市北山人防工程改建的四季越野滑雪场工程地质复杂,服务年限较长,大跨度硐室(暴露面积可达2 000 m²以上)稳定性的问题,进行岩体结构的精细化勘查,采用室内岩石力学试验、孔内波速测试分析,基于摄影测量法结合基于孔内雷达和孔内电视的结构面调查等多手段协同测试隧道硐室围岩的表面节理、破碎带、松动圈空间分布等,对围岩质量进行精准分类、分级、分区,确定力学参数,研究围岩稳定性。对大断面硐室进行数值模拟分析计算,圈定其顶板拉应力区,给出加固方案。本研究对同类隧道扩改建工程具有参考意义。

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	高源
	杨天鸿
	辛全明
	刘飞跃

关键词: 精细化勘查大跨度硐室岩体质量评价工程岩体分区围岩稳定性研究

Abstract: Aiming at the problems of complex engineering geology, long service life and stability of large-span chamber(exposure area up to 2 000 m² or more)of Beishan cross-country ski resort rebuilt by Jilin Beishan Civil Air Defense Project, refinement investigation of rock mass structure was carried out. The indoor rock mechanics experiment and wave velocity test in borehole were conducted. Structural surfaces investigation based on photogrammetry method combined with the method based on in borehole radar and television was adopted to study the surface joints, fractured zones and spatial distribution of loosening zone of surrounding rock mass. The quality of surrounding rock was classified and zoned, the mechanical parameters were determined, and the stability of surrounding rock was studied. Through numerical simulation analysis and calculation of large-span tunnel, the tension stress zone of roof was delineated, the reinforcement scheme was proposed. This study has reference significance for similar tunnel expansion and reconstruction projects. 2019年 - 第1卷第3期高源,等:北山隧道式大跨度地下四季滑雪场围岩稳定性研究 \=-

Key words: refinement investigation large-span tunnel evaluation of rock mass quality rock mass partition stability of surrounding rock

收稿日期: 2019-07-01 出版日期: 2019-09-20 发布日期: 2019-11-13 期的出版日期: 2019-09-20

中图分类号:	U457
	TU931

基金资助: 中建股份研发计划经费支持项目(CSCEC-2018-Z-23);国家自然科学基金资助项目(U1710253);中央高校基本科研业务费资助项目(NoN180105029)

通讯作者: 杨天鸿(1968— ),男,辽宁抚顺人,博士,教授,博士生导师,主要研究方向为岩土工程稳定性,岩体渗流耦合机制理论与应用.E-mail:yang_tianhong@126.com

作者简介: 高源(1989— ),男,辽宁沈阳人,博士研究生,主要研究方向为岩石渗流应力耦合.E-mail:gaoyuan1024@outlook.com. *通信作者:杨天鸿(1968— ),男,辽宁抚顺人,博士,教授,博士生导师,主要研究方向为岩土工程稳定性,岩体渗流耦合机制理论与应用. E-mail:yang_tianhong@126.com

引用本文:

高源, 杨天鸿, 辛全明, 刘飞跃. 北山隧道式大跨度地下四季滑雪场围岩稳定性研究[J]. 隧道与地下工程灾害防治, 2019, 1(3): 109-115.
GAO Yuan, YANG Tianhong, XIN Quanming, LIU Feiyue. Study on stability of surrounding rock in large-span underground tunnel of Beishan four seasons ski resort. Hazard Control in Tunnelling and Underground Engineering, 2019, 1(3): 109-115.

链接本文:

http://tunnel.sdujournals.com/CN/Y2019/V1/I3/109

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[1]	高源, 杨天鸿, 辛全明, 刘飞跃. 北山隧道式大跨度地下四季滑雪场围岩稳定性研究[J]. 隧道与地下工程灾害防治, 0, (): 109-115.

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[8]	HONG Kairong. Study on rock breaking and wear of tbm hob in high-strength high-abrasion stratum[J]. Hazard Control in Tunnelling and Underground Engineering, 0, (): 76 -85 .
[9]	RONG Xiaoli, WEN Zhu, HAO Yiqing, LU Hao, XIONG Ziming. Risk margin model of underground engineering based on possibility theory[J]. Hazard Control in Tunnelling and Underground Engineering, 0, (): 1 -10 .
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