中缅油气管道(国外段)G132滑坡成因机理及综合治理对策

doi:10.19388/j.zgdzdc.2024.113

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摘要为有效提高油气管道地质灾害综合治理水平,结合中缅管道(国外段)G132滑坡的地质环境条件及近年来的滑坡持续变形特征,采用工程地质分析方法,详细分析研究沟道溯源引起的牵引式滑坡的成因机理,制定适宜的综合治理对策。通过滑坡演化模式分析,划分出沟道溯源牵引式滑坡演化的3个变形阶段,即冲沟下切和斜坡变形阶段、牵引滑动变形阶段及整体滑动变形阶段。基于滑坡的变形特征、成因机理和演化模式,针对性提出“分区分级支挡、拦源固床及截排结合”的工程综合治理对策,并分步分级地逐一实施,已经过多个汛期的考验,取得了良好工程效果。研究对控制和减少油气管道地质灾害、保护中缅管道安全运营具有一定意义,也可为将来类似沟道溯源引起的牵引式滑坡治理提供一定的参考和借鉴。

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	罗本全
	王珀
	李顺成
	徐江
	卢文晓
	黄锐

关键词 ：中缅管道, 若开山山地, 沟道溯源, 成因机理, 治理对策, 树根桩排导槽

Abstract：In order to effectively improve the comprehensive management level of geological disasters in oil and gas pipelines, the authors in this research adopted engineering geological analysis principles and methods to conduct a detailed analysis of the retrogressive landslide caused by gully source tracing, and formulate appropriate comprehensive management countermeasures, combined with the geological environmental conditions of G132 landslide in China-Myanmar Pipeline (Myanmar Section) and the continuous deformation characteristics of the landslide in recent years. Three deformation stages of the retrogressive landslide caused by gully source tracing were basically divided through the analysis of the landslide evolution model, including gully incision and slope deformation stage, the retrogressive sliding deformation stage and the overall sliding deformation stage. The practical and feasible integrated control counter measures of “zoning and graded retaining, source blocking and bed consolidation, and combination of interception and drainage” were put forward, based on the deformation characteristics, formation mechanism and evolution model of the landslide. This strategy has been implemented step by step, and it has passed through many flood seasons with good engineering results. This research could provide certain references for similar projects related to retrogressive landslides caused by gully source tracing in the future and has great significance in controlling and reducing geological disasters of oil and gas pipelines and protecting the safe operation of China Myanmar Pipelines.

Key words： Myanmar-China pipeline rakhine mountain gully source tracing genetic mechanism control countermeasures root pile drainage canal

收稿日期: 2024-01-12

中图分类号:	P694
	TV211.1

基金资助:四川省地质工程勘察院集团有限公司“中缅油气管道(国外段)G132滑坡治理工程项目(编号: G13220200707)”资助

通讯作者: 王珀(1988—),男,高级工程师,主要从事长输油气管道完整性管理工作。Email: po.wang@cnpc.com.cn。

作者简介: 罗本全(1981—),男,高级工程师,主要从事水工环地质、灾害地质、岩土工程及水利水电建筑等勘察设计工作。Email: 754133642@qq.com。

引用本文:

罗本全, 王珀, 李顺成, 徐江, 卢文晓, 黄锐. 中缅油气管道(国外段)G132滑坡成因机理及综合治理对策[J]. 中国地质调查, 2024, 11(4): 124-131.
LUO Benquan, WANG Po, LI Shuncheng, XU Jiang, LU Wenxiao, HUANG Rui. The formation mechanism of G132 landslide in China-Myanmar oil and gas pipeline (Myanmar Section) and its integrated control countermeasures. , 2024, 11(4): 124-131.

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http://journal25.magtechjournal.com/Jwk_dzdc/CN/10.19388/j.zgdzdc.2024.113 或 http://journal25.magtechjournal.com/Jwk_dzdc/CN/Y2024/V11/I4/124

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