松动圈及减震层对隧道地震响应影响的试验研究

doi:10.13722/j.cnki.jrme.2017.1176

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Abstract

The installation of the buffer layers is of advantages to the seismic resistance of the tunnel. A set of flexible airbag loading system suitable for dynamic model test on shaking tables was developed to simulate the gravity stress of tunnel overburden. Dynamic response mechanism of loosen zone and buffer layers were analysed and compared based on tests data of acceleration，additional strain，additional bending moment and structure failure. It could be concluded that：(1) Both the loosen zone and buffer layers did not change the dynamic response rule and the damage mode of tunnel structures；(2) Due to the existence of loosen zone，the restraint effect of the surrounding rock on the tunnel structure is weakened，resulting in the increase of the deformation in tunnel structure. The additional bending moment of the structure increases，indicating that it is more vulnerable to damage in earthquakes considering loosen zones；(3) The installation of the buffer layers can effectively reduce the structure additional strain caused by seismic load，which improved the mechanical performance of the structure. This layer coordinated the overall deformation of the tunnel and improved the seismic performance of the structure；(4) In such problems，that tunnel structure surrounded by a softer medium layer，stiffness is the key factors which could be concluded in material thickness and strength.

Key words： tunnelling engineering mountain tunnels shaking table model test dynamic response loosen zone buffer layer

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	Articles by authors
	ZHAO Xu1
	LI Ruohan1
	TAO Lianjin1
	LI Shulong2
	HUANG Jingqi3
	ZHAO Mi1

Cite this article:

ZHAO Xu1,LI Ruohan1,TAO Lianjin1, et al. Shaking table tests of influences on tunnel seismic response from loosen zone and buffer layers[J]. , 2018, 37(S1): 3310-3319.

URL:

https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2017.1176 OR https://rockmech.whrsm.ac.cn/EN/Y2018/V37/IS1/3310

[1] 周希圣，宋宏伟. 国外围岩松动圈支护理论研究概况[J]. 建井技术，1994，15(4)：67–71.(ZHOU Xiseng，SONG Hongwei. Overseas wall rock loose circle support theories research general situation[J]. Mine Construction Technology，1994，15(4)：67–71.(in Chinese))

[2] 史国兴. 巷道围岩松动圈理论的发展[J]. 河北煤炭，1995，(4)：1–4.(SHI Guoxing. The development of roadway theory based on broken rock zone[J]. Hebei Coal，1995，(4)：1–4.(in Chinese))

[3] 秦帅，宋宏伟，杜晓丽，等. 松动圈围岩支护理论的研究与应用现状[J]. 西部探矿工程，2011，23(12)：105–109.(QIN Shuai，SONG Hongwei，DU Xiaoli，et al. Research and application of support theory for Loosen zone[J]. West-China Exploration Engineering，2011，23(12)：105–109.(in Chinese))

[4] 董方庭，宋宏伟，郭志宏，等. 巷道围岩松动圈支护理论[J]. 煤炭学报，1994，19(1)：21–32.(DONG Fangting，SONG Hongwei，GUO Zhihong，et al. Roadway support theory based on broken rock zone[J]. Journal of China Coal Society，1994，19(1)：21–32.(in Chinese))

[5] 蒋树屏，蔡志伟，林志，等. 考虑松动圈的卡尔曼滤波与有限元耦合反分析法及其在围岩稳定性分析中的应用[J]. 岩土力学，2009，30(8)：2 529–2 534.(JIANG Shuping，CAI Zhiwei，LIN Zhi，et al. Kalman filtering and FEM coupling back analysis method considering broken zone and its application to stability analysis of surrounding rock[J]. Rock and Soil Mechanics，2009，30(8)：2 529– 2 534.(in Chinese))

[6] LAI X P，REN F H，WU Y P，et al. Comprehensive assessment on dynamic roof instability under fractured rock mass conditions in the excavation disturbed zone[J]. International Journal of Minerals Metallurgy and Materials，2009，16(1)：12–18.

[7] 袁前进. 岩巷掘进爆破对围岩稳定性影响的研究[J]. 煤矿开采，2009，14(3)：100–102.(YUAN Qianjin. Influence of blasting for driving rock roadway on stability of surrounding rock[J]. Coal Mining Technology，2009，14(3)：100–102.(in Chinese))

[8] 邵东亚. 岩巷掘进爆破震动对围岩松动圈影响的研究[J]. 煤矿爆破，2009，(3)：11–13.(SHAO Dongya. Influence of vibration of blasting for driving rock roadway on stability of surrounding rock[J]. Coal Mine Blasting，2009，(3)：11–13.(in Chinese))

[9] 孙有为. 地下硐室围岩松动圈的地震反应研究[博士学位论文][D]. 哈尔滨：中国地震局工程力学研究所，2010.(SUN Youwei. Study on wall rock broken zone¢s earthquake response of underground chamber [Ph. D. Thesis][D]. Harbin：Institute of Engineering Mechanics，China Earthquake Administration，2010.(in Chinese))

[10] 王学滨，潘一山，李英杰. 围压对巷道围岩应力分布及松动圈的影响[J]. 地下空间与工程学报，2006，2(6)：962–966.(WANG Xuebin，PAN Yishan，LI Yingjie. Effect of confining pressure on distributions of horizontal and vertical stresses around rectangular roadway and broken rock zone[J]. Chinese Journal of Underground Space and Engineering，2006，2(6)：962–966.(in Chinese))

[11] 刘刚，宋宏伟. 围岩松动圈影响因素的数值模拟[J]. 矿冶工程，2003，(1)：1–3.(LIU Gang，SONG Hongwei. Numerical simulation of factors affecting broken rock zone[J]. Mining and Metallurgical Engineering，2003，(1)：1–3.(in Chinese))

[12] CORIGLIANO M，SCANDELLA L，LAI C G，et al. Seismic analysis of deep tunnels in near fault conditions：a case study in Southern Italy[J]. Bulletin of Earthquake Engineering，2011，9(4)：975–995.

[13] 王帅帅，高波，隋传毅，等. 减震层减震原理及跨断层隧道减震技术振动台试验研究[J]. 岩土工程学报，2015，37(6)：1 086–1 092. (WANG Shuaishuai，GAO Bo，SUI Chuanyi，et al. Mechanism of shock absorption layer and shaking table tests on shaking absorption technology of tunnel across fault[J]. Chinese Journal of Geotechnical Engineering，2015，37(6)：1 086–1 092.(in Chinese))

[14] 信春雷，高波，周佳媚，等. 跨断层隧道设置常规抗减震措施振动台试验研究[J]. 岩石力学与工程学报，2014，33(10)：2 047–2 055. XIN Chunlen，GAO Bo，ZHOU Jiamei，et al. Shaking table tests of conventional anti-seismic and damping measures on fault-crossing tunnels[J]. Chinese Journal of Rock Mechanics and Engineering，2014，33(10)：2 047–2 055.(in Chinese))

[15] 房倩，张顶立，王毅远，等. 圆形洞室围岩破坏模式模型试验研究[J]. 岩石力学与工程学报，2011，30(03)：564–571.(FANG Qian，ZHANG Dingli，WANG Yiyuan，et al. Model test study of failure modes of surrounding rock for circular caverns[J]. Chinese Journal of Rock Mechanics and Engineering，2011，30(3)：564–571.(in Chinese))

[16] 杨志法，熊顺成，王存玉，等. 关于位移反分析的某些考虑[J]. 岩石力学与工程学报，1995，14(1)：11–16.(YANG Zhifa，XIONG Shuncheng，WANG Cunyu，et al. Some consideration of the back analysis from displacements[J]. Chinese Journal of Rock Mechanics and Engineering，1995，14(1)：11–16.(in Chinese))

[17] 靖洪文，李元海，许国安. 深埋巷道围岩稳定性分析与控制技术研究[J]. 岩土力学，2005，26(6)：877–880.(JING Hongwen，LI Yuanhai，XU Guoan. Analysis of surrounding rock stability of deeply buried roadways and study on its control techniques[J]. Rock and Soil Mechanics，2005，26(6)：877–880.(in Chinese))