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山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (1): 49-59.doi: 10.6040/j.issn.1672-3961.0.2021.381

• • 上一篇    

基于TDA填料的废旧轮胎条带加筋砂土边坡承载特性

孙杰1,张宏博2,程钰1,刘羽3,张洪波3,刘志鲲2*   

  1. 1.山东科技大学交通学院, 山东 青岛 266590;2.山东大学齐鲁交通学院, 山东 济南 250061;3.济宁市公路事业发展中心, 山东 济宁 272100
  • 发布日期:2023-02-13
  • 作者简介:孙杰(1982— ),男,山东日照人,博士研究生,主要研究方向为公路工程建设管理. E-mail:277541683@qq.com. *通信作者简介:刘志鲲(1999—),男,山东德州人,硕士研究生,主要研究方向为固废利用. E-mail:1392738429@qq.com

Bearing characteristics of reinforced sand slope with scrap tire strips and TDA backfills

SUN Jie1, ZHANG Hongbo2, CHENG Yu1, LIU Yu3, ZHANG Hongbo3, LIU Zhikun2*   

  1. 1. College of Transportation, Shandong University of Science and Technology, Qingdao 266590, Shandong, China;
    2. School of Qilu Transporatation, Shandong University, Jinan 250061, Shandong, China;
    3. Jining Highway Devlopment Center, Jining 272100, Shandong, China
  • Published:2023-02-13

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摘要： 基于废旧轮胎良好的抗拉伸、耐老化及界面粗糙等特性,将废旧轮胎切割成条形成加筋条带,并以轮胎衍生集料作为回填材料,形成复合加筋边坡。结合粒子图像测速技术进行模型试验研究,建立数值模型研究不同加筋条件下的边坡力学响应。探讨轮胎条带层数、加筋位置、废旧轮胎集料(tire-derived aggregate, TDA)复合土加筋层厚度与荷载作用位置对边坡承载力的影响,得到加筋效果随加筋布置方式的变化趋势。结果表明,轮胎条带和TDA复合砂土均可起到良好的加筋效果,且复合加筋边坡承载力相比无加筋提高2倍左右。研究结果证实了采用轮胎条带-TDA复合加筋边坡的可行性,为进一步进行废旧轮胎在道路工程中的循环利用研究工作和工程应用提供了基础。

关键词: 废旧轮胎, 加筋边坡, 极限承载力, 复合加筋, 数值模拟

中图分类号: 

  • U416.1
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