理论与试验研究

埋地管道受力行为及其防护效果试验研究

  • 王志杰 ,
  • 位美玉 ,
  • 杨广庆 ,
  • 冯刚 ,
  • 石雪源
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  • 1.道路与铁道工程安全保障省部共建教育部重点实验室(石家庄铁道大学),石家庄 050043;
    2.石家庄铁道大学 土木工程学院,石家庄 050043;
    3.河北水务有限公司,石家庄 050011
王志杰(1985—),男,河北保定人,博士,教授,主要从事路基工程服役行为与灾变控制等方面的研究。E-mail:zwang@stdu.edu.cn
杨广庆(1971—),男,河北沧州人,博士,教授,主要从事路基工程力学行为控制等方面的研究。 E-mail:yanggq@stdu.edu.cn

收稿日期: 2025-04-18

  网络出版日期: 2026-03-03

基金资助

国家自然科学基金(51709175)

Experimental Study on Mechanical Behavior and Protection Effect of Buried Pipelines

  • Wang Zhijie ,
  • Wei Meiyu ,
  • Yang Guangqing ,
  • Feng Gang ,
  • Shi Xueyuan
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  • 1. State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures (Shijiazhuang Tiedao University), Shijiazhuang 050043, P.R. China;
    2. School of Civil Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, P.R. China;
    3. Hebei Water Resources Limited Company, Shijiazhuang 050011, P.R. China

Received date: 2025-04-18

  Online published: 2026-03-03

摘要

随着我国埋地管网建设的迅速发展,管道上方堆载及车辆等竖向荷载作用对管道的安全运行提出了巨大挑战。为探究竖向荷载作用下埋地管道的力学响应,搭建了基于薄膜压力传感器的埋地管道受力行为测试装置,开展了不同管道埋深以及不同防护条件下埋地管道受力行为试验。结果表明:随着竖向荷载的增加,埋地管道管顶压力逐渐增大,基于薄膜压力传感器的采集数据直观展示了这一现象;随着管道埋深的增加,管顶附加压力逐渐减小;土工格栅加筋和钢板防护均能有效降低管顶压力,并减小了加载板下方的应力集中。本文成果为研究埋地管道力学响应提供了一种新的测试方法。

本文引用格式

王志杰 , 位美玉 , 杨广庆 , 冯刚 , 石雪源 . 埋地管道受力行为及其防护效果试验研究[J]. 地下空间与工程学报, 2026 , 22(1) : 210 -218 . DOI: 10.20174/j.JUSE.2026.01.22

Abstract

With the rapid development of buried pipe network construction in China, vertical loads from heaped materials and vehicles above the pipelines present significant challenges to the safe operation of these pipelines. To investigate the mechanical response of buried pipelines under vertical loads, this study developed a testing device based on thin-film pressure sensors to monitor the stress behavior of buried pipelines. Experiments were conducted to examine the stress behavior of buried pipelines under different burial depths and protection conditions. The results show that: As the vertical load increases, the pressure on top of the buried pipeline also gradually increases, with data collected from the thin-film pressure sensors clearly demonstrating this phenomenon. As the burial depth increases, the additional pressure on top of the pipe gradually decreases. Both geogrid reinforcement and steel plate protection effectively reduce the pressure on top of the pipeline and alleviate stress concentration beneath the loading plate. This paper provides a new testing method for investigating the mechanical response of buried pipelines.

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