[1]王泽军,陈铁林,崔光耀,等.强震区隧道洞口软硬岩交接段围岩注浆抗震措施效果分析[J].中国地质灾害与防治学报,2018,29(4):96-102.
 WANG Zejun,CHEN Tielin,CUI Guangyao,et al.Research on aseismic effect of grouting measures for tunnel portal structure at interface between soft and hard rock in high-intensity earthquake zone[J].The Chinese Journal of Geological Hazard and control,2018,29(4):96-102.
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强震区隧道洞口软硬岩交接段围岩注浆抗震措施效果分析()
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《中国地质灾害与防治学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
29
期数:
2018年4
页码:
96-102
栏目:
出版日期:
2018-08-25

文章信息/Info

Title:
Research on aseismic effect of grouting measures for tunnel portal structure at interface between soft and hard rock in high-intensity earthquake zone
作者:
王泽军; 陈铁林; 崔光耀; 马军辉; 张玉;
(1. 北京交通大学 城市地下工程教育部重点实验室 ,北京 100044 ; 2. 北方工业大学土木工程学院,北京 100144 ;3. 中铁七局集团郑州工程有限公司,河南郑州 450052 )
Author(s):
WANG Zejun1CHEN Tielin1CUI Guangyao2MA Junhui3ZHANG Yu1
(1. Key Laboratory for Urban Underground Engineering of Ministry of EducationBeijing Jiaotong University Beijing 100044China 2. College of Architecture and Civil Engineering,North China University of Technology, Beijing 100144,China 3. ZhengZhou Engineering Co.,Ltd OF China Railway Seventh Group , Zhengzhou 450052,China)
关键词:
隧道工程洞口段软硬围岩交界面接触注浆间隔注浆
摘要:
为提高强震区隧道洞口软硬围岩交接段的地震安全性,本文依托老鹰窝隧道工程洞口段,利用有限差分计算软件FLAC3D进行三维动力响应分析,对全环接触注浆、全环间隔注浆两种围岩注浆抗震措施作用效果进行了对比研究。研究表明:(1)两种注浆方式均能有效减小隧道二衬结构的动力响应内力,改善隧道结构的受力特性,从而提高隧道整体的抗震性能;(2)地震荷载作用下,软岩隧道动力响应强于硬岩,且离软硬围岩交界面越近,响应越大;(3)从减小衬砌结构响应内力的角度来说,全环间隔注浆抗震性能优于全环接触注浆。研究成果可为强震区隧道洞口段抗震设防设计提供参考。

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更新日期/Last Update: 2018-09-14