Analysis of Anti-Slide Performance of Slide-Resistant Piles of Aviation Fuel Pipeline under Landslide Disaster

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Analysis of Anti-Slide Performance of Slide-Resistant Piles of Aviation Fuel Pipeline under Landslide Disaster

更新时间：2026-01-04

- Analysis of Anti-Slide Performance of Slide-Resistant Piles of Aviation Fuel Pipeline under Landslide Disaster
- Vol. 43, Issue 2, Pages: 250-258(2023)
- 作者机构：
  
  中航油彭州管道运输有限公司,四川,成都,610200
- 作者简介：
- 基金信息：
- DOI：
  CLC： U179.8
- Published：2023
- 稿件说明：
移动端阅览
王涛,张雷,廖方建,王金荣,兰旭彬,徐涛龙,蒋宏业.滑坡灾害下航油管道抗滑桩的阻滑性能分析∗[J].防灾减灾工程学报,2023,43(2):250-258
DOI：

王涛,张雷,廖方建,王金荣,兰旭彬,徐涛龙,蒋宏业.滑坡灾害下航油管道抗滑桩的阻滑性能分析∗[J].防灾减灾工程学报,2023,43(2):250-258 DOI：

摘要

针对于土体等大位移问题所带来的模拟求解难题，分析滑坡灾害对横坡敷设的航油管道运行所带来的影响。利用 SPH-FEM 耦合算法，采用不同的接触形式，建立管-土及桩-土相互作用全尺寸耦合模型，进行非线性分析，获取管-土力学响应规律，并对抗滑桩阻滑性能加以分析，保证滑坡区管道本体的安全。结果表明，在文中工况下，当滑坡趋于稳定时，在滑土推力作用下，管道所产生的位移、应力最大值均出现在滑体区域内；但由于桩-土间“土拱效应”，致其桩后滑土更易趋于稳定，同时管道也并未发生沿管轴扭转的现象；随抗滑桩数量的增多，其阻滑性能增强，但对于文中工况，设置 2 个抗滑桩且混凝土强度为 C30 的抗滑方案即可保证管道的安全运行。所得结论可为保证航油管道的安全运行提供理论支撑，并为滑坡下管道力学行为和抗滑桩阻滑性能研究提供一种可行的模拟方法。

Abstract

In view of the simulation problem caused by large displacement problems such as soil slid-ing， the influence of landslide disaster on the operation of aviation fuel pipeline laid across the slope is analyzed. Using the SPH-FEM coupling algorithm and adopting different contact models to establish the full-size coupling models of pipe-soil interaction and pile-soil interaction， the nonlinear analysis is carried out to obtain the law of mechanical response of pipeline-soil， and the anti-slide performance of slide-resistant piles is analyzed to ensure the safety of the pipeline body in the landslide area. The re-sults show that， under the working condition of this paper， when the landslide tends to be stable， the maximum values of displacement and stress developed in the pipeline under the action of soil thrust ap-pear in the landslide body. However， due to the “soil arching effect” between the pile and the soil， the sliding soil behind the pile is more likely to stabilize， and the pipeline does not twist along the tube ax-is. With the increase of the number of slide-resistant piles， the anti-slide performance increases. How-ever， for the working condition in this paper， the anti-slide scheme comprising two anti-slide piles with concrete strength of C30 can ensure the safe operation of the pipeline. The conclusions can pro-vide theoretical support for the safe operation of aviation fuel pipeline， and present a feasible simula-tion method for the study of the mechanical behavior of pipelines under landslide and the anti-slide per-formance of slide-resistant piles.

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references

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