摘要
为了解废旧轮胎胎面挡土墙的抗震性能,促进模块式废旧轮胎胎面挡土墙在高烈度地震区域的推广应用,针对直立式废旧轮胎胎面挡土墙(无加筋/加筋)开展抗震性能试验对比研究。基于相同的测试条件,分别建立了直立式废旧轮胎胎面挡土墙和土工格栅加筋废旧轮胎胎面挡土墙的两种振动台试验模型,考虑近场什邡地震波和远场松潘地震波的作用,研究不同地震强度下的墙体加速度、侧向位移、残余变形、墙后填料加速度、竖向沉降和墙背动土压力的响应特征,并与传统悬臂式刚性挡土墙的动力响应特征进行对比,综合评价以塞土轮胎为墙体面板的废旧轮胎挡土墙的整体抗震性能。得出直立式废旧轮胎胎面挡土墙(无加筋)挡土墙抗震性能较弱,而直立式废旧轮胎胎面挡土墙(加筋)整体抗震性能显著提高。
In order to understand the seismic performances of waste tire-faced retaining walls and promote their popularization and application in high-intensity earthquake areas,a comparative experimental study on the seismic performance of vertical waste tire faced retaining walls(without/with reinforcement)is carried out.Based on the same test conditions,two shaking table test models for the vertical waste tire-faced retaining wall and the geogrid-reinforced waste tire-faced retaining wall are established respectively.Considering the effects of near-field Shifang seismic wave and far-field Songpan seismic wave,the wall accelerations,lateral displacements,residual deformations,vertical settlements and dynamic earth pressures acting on the back of the walls are studied under different seismic intensities.The response characteristics of two waste tire-faced retaining walls are compared with those of a traditional cantilever rigid retaining wall,and the overall seismic performances of tire-faced retaining walls are comprehensively evaluated.It is concluded that the seismic performances of the vertical waste tire-faced retaining wall(unreinforced)are weak,while the overall seismic performances of the vertical waste tire-faced retaining wall reinforced with geogrids are significantly improved.
作者
王丽艳
吉文炜
陶云翔
唐跃
王炳辉
刘义
吴思麟
WANG Liyan;JI Wenwei;TAO Yunxiang;TANG Yue;WANG Binghui;LIU Yi;WU Silin(School of Civil Engineering and Architecture,Jiangsu University of Science and Technology,Zhenjiang 212003,China;Hebei Key Laboratory of Earthquake Disaster Prevention and Risk Assessment,Langfang 065201,China;Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering,Hohai University,Nanjing 210024,China;Jiangsu Province Engineering Research Center of Geoenvironmental Disaster Prevention and Remediation,Zhenjiang 212003,China)
出处
《岩土工程学报》
EI
CAS
CSCD
北大核心
2023年第2期273-282,I0003,I0004,共12页
Chinese Journal of Geotechnical Engineering
基金
国家自然科学基金面上项目(52278355)
江苏省自然科学基金面上项目(BK20201454)
河海大学岩土力学与堤坝工程教育部重点实验室开放基金项目(2020013)
镇江市重点研发计划社会发展面上项目(SH2021011)
河北省地震灾害防御与风险评估重点实验室开放基金资助项目(FZ223103)。
关键词
直立式废旧轮胎胎面挡土墙
土工格栅加筋
抗震性能
振动台试验
悬臂式挡土墙
地震响应特征
vertical waste tire-faced retaining wall
geogrid reinforcement
seismic performance
shaking table test
cantilever retaining wall
seismic response characteristic
作者简介
王丽艳(1980—),女,博士,教授,主要从事土动力学与地震工程方面的研究工作。E-mail:wly_yzu@163.com。
