岩土力学 ›› 2023, Vol. 44 ›› Issue (4): 931-940.doi: 10.16285/j.rsm.2022.0664

• 基础理论与实验研究 •    下一篇

格栅条带式加筋废旧轮胎胎面挡土墙 抗震性能试验研究

王丽艳1, 2, 3, 4，吉文炜1, 4，陶云翔1，唐跃1，王炳辉1, 4，蔡晓光2，张雷1, 4   

  1. 1. 江苏科技大学 土木工程与建筑学院，江苏 镇江 212003；2. 防灾科技学院 河北省地震灾害防御与风险评价重点实验室，河北 三河 065201； 3. 河海大学 岩土力学与堤坝工程教育部重点实验室，江苏 南京 210024； 4. 江苏科技大学 江苏省地质环境灾害防治及修复工程研究中心，江苏 镇江 212003
  • 收稿日期:2022-05-07 接受日期:2022-07-28 出版日期:2023-04-18 发布日期:2023-04-27
  • 作者简介:王丽艳，女，1980年生，博士，教授，主要从事土动力学与地震工程等方面的研究。
  • 基金资助:
    河北省地震灾害防御与风险评价重点实验室开放基金（No.FZ223103）；国家自然科学基金面上项目（No.52278355）；江苏省自然基金面上项目（No.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（No.2020013）；镇江市重点研发计划社会发展面上项目（No.SH2021011）。

Experimental study on seismic performances of geogrid striped-reinforced waste tire-faced retaining walls

WANG Li-yan1, 2, 3, 4, JI Wen-wei1, 4, TAO Yun-xiang1, TANG Yue1, WANG Bing-hui1, 4, CAI Xiao-guang2, ZHANG Lei1, 4   

  1. 1. School of Civil Engineering and Architecture, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, China; 2. Hebei Key Laboratory of Earthquake Disaster Prevention and Risk Assessment, Institute of Disaster Prevention, Sanhe, Hebei 065201, China; 3. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing, Jiangsu 210024, China; 4. Jiangsu Province Engineering Research Center of Geoenvironmental Disaster Prevention and Remediation, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, China
  • Received:2022-05-07 Accepted:2022-07-28 Online:2023-04-18 Published:2023-04-27
  • Supported by:
    This work was supported by the Open Fund of Hebei Key Laboratory of Earthquake Disaster Prevention and Risk Assessment (FZ223103), the General Program of National Natural Science Foundation of China (52278355), the General Program of Natural Science Foundation of Jiangsu Province (BK20201454), the Open Fund of Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University (2020013) and the General Program of Key R&D Plan of Zhenjiang-Social Development (SH2021011).

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摘要： 废旧轮胎胎面挡土墙是一种有效利用废旧轮胎的理想途径，但直立的模块式废旧轮胎胎面挡土墙不能承受高强度的地震作用，因而提出格栅条带式加筋的方法提高其抗震性能。根据土−结构动力相似体系，设计格栅条带式加筋废旧轮胎胎面挡土墙振动台试验模型，考虑地震强度、地震波、格栅加筋长度、格栅加筋间距以及墙面坡度的影响，分析胎面墙体与回填料加速度、墙体侧向位移、墙顶表面回填料沉降以及墙背动土压力等地震响应特征，并与无加筋的废旧轮胎胎面挡土墙的振动台模型试验进行对比。研究结果表明：格栅条带式加筋胎面挡土墙的方式显著改善了无加筋状态的胎面挡土墙的地震响应特征，提高了胎面挡土墙的抗震性能，格栅条带式加筋直立式废旧轮胎胎面挡土墙可以作为理想的墙体进行工程推广应用。

关键词: 抗震性能, 振动台试验, 轮胎胎面挡土墙, 土工格栅, 条带式加筋, 无加筋

Abstract: The waste tire-faced retaining wall is an ideal way to effectively utilize waste tires. However, vertical modular waste tire-faced retaining walls cannot withstand high-intensity seismic action. Therefore, the geogrid striped-reinforced method is proposed to improve its seismic performances. According to the soil-structure dynamic similarity system, a shaking table test model of the geogrid striped-reinforced waste tire-faced retaining wall is designed. This test model can consider the influence of seismic intensity, seismic wave, length of geogrid reinforcement, spacing of geogrid reinforcement and the slope of the wall. The seismic response characteristics were analyzed, such as the tire-faced wall and the backfill acceleration, the lateral displacement of the wall, the settlement of the backfill on the top of the wall and the dynamic soil pressure on the back of the wall. In addition, the characteristics are compared with those of the shaking table test of the waste tire-faced retaining wall (unreinforced). The results show that geogrid striped-reinforced tire-faced retaining walls significantly improve the seismic response characteristics of unreinforced retaining walls, and improve the seismic performance of the tread retaining wall. Thus, the geogrid striped-reinforced vertical waste tire-faced retaining wall can be used as an ideal wall for engineering application.

Key words: seismic performance, shaking table test, tire-faced retaining wall, geogrid, striped-reinforced, unreinforced

中图分类号: TU435
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