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王丽艳, 吉文炜, 陶云翔, 唐跃, 王炳辉, 刘义, 吴思麟. 直立式废旧轮胎胎面挡土墙(无加筋/加筋)抗震性能试验对比研究[J]. 岩土工程学报, 2023, 45(2): 273-282. DOI: 10.11779/CJGE20211400
引用本文: 王丽艳, 吉文炜, 陶云翔, 唐跃, 王炳辉, 刘义, 吴思麟. 直立式废旧轮胎胎面挡土墙(无加筋/加筋)抗震性能试验对比研究[J]. 岩土工程学报, 2023, 45(2): 273-282. DOI: 10.11779/CJGE20211400
WANG Liyan, JI Wenwei, TAO Yunxiang, TANG Yue, WANG Binghui, LIU Yi, WU Silin. Comparative study on seismic performances of vertical waste tire-faced retaining walls (unreinforced/reinforced)[J]. Chinese Journal of Geotechnical Engineering, 2023, 45(2): 273-282. DOI: 10.11779/CJGE20211400
Citation: WANG Liyan, JI Wenwei, TAO Yunxiang, TANG Yue, WANG Binghui, LIU Yi, WU Silin. Comparative study on seismic performances of vertical waste tire-faced retaining walls (unreinforced/reinforced)[J]. Chinese Journal of Geotechnical Engineering, 2023, 45(2): 273-282. DOI: 10.11779/CJGE20211400

直立式废旧轮胎胎面挡土墙(无加筋/加筋)抗震性能试验对比研究

Comparative study on seismic performances of vertical waste tire-faced retaining walls (unreinforced/reinforced)

  • 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。

     

    Abstract: 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.

     

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