| 川藏交通干线帕隆藏布段冰碛物特性研究进展 |
| 投稿时间：2018-07-16 修订日期：2018-07-16 点此下载全文 |
| 引用本文：杨东旭,王军朝,杨栋.川藏交通干线帕隆藏布段冰碛物特性研究进展[J].钻探工程,2018,45(8):51-57.YANG Dong-xu,WANG Jun-chao,YANG Dong. Research Advance on Characteristics of Glacial Tills in Parlung River along Sichuan-Tibet Highway[J]. Drilling Engineering, 2018,45(8):51-57. |
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| 基金项目:国家自然科学基金项目“弯道特征对泥石流堵塞系数的影响研究”(编号：41402315)；中国地质调查局地质调查局项目“藏东南重要城镇和交通干线地质灾害调查”(编号：DD20160279) |
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| 中文摘要:作为冰川运动的遗迹，冰碛物由于其宽级配、大孔隙、非均质、渗透性等特点，成为川藏铁路和高速公路帕隆藏布路段规划选线中的一类特殊岩土体，并与藏东南地区的冰川型地质灾害具有关联，使得帕隆藏布流域地质灾害的成因机理及防治研究愈发复杂。本文通过分析近年来国内外学者围绕冰碛物物性特征取得的研究成果，结合实地调查和室内外测试结果，归纳了冰碛物的分布特征、沉积构造、物理性质和工程力学特性，梳理了冰碛物的物理力学研究进展，凝练了帕隆藏布流域冰碛物研究中的3个关键问题，针对性地提出下一步研究思路，旨在为后续的冰碛物研究和川藏交通干线规划与建设管理提供参数依据。 |
| 中文关键词:川藏交通干线 帕隆藏布 冰碛物 物理力学性质 地质灾害调查 |
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| Research Advance on Characteristics of Glacial Tills in Parlung River along Sichuan-Tibet Highway |
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| Abstract:As glacier relics, glacial tills become special rock body in a planning selected line section of Sichuan-Tibet railway and highway along Parlung River due to its wide gradation, large pore, heterogeneity and permeability, etc, and is associated with glacial geological hazards in the south-east Tibet, which makes the formation mechanism and prevention research on geological hazards in Parlung River basin even more complicated. In this article, based on the analysis on the research results obtained according to the physical property characteristics of glacial tills by scholars in China and abroad in recent years and combing with the field investigation and the results of indoor and outdoor tests, the distribution characteristics, sedimentary structure, physical properties and engineering mechanics properties of glacial tills, as well as the research progress of glacial tills physical mechanics are summed up, 3 key issues in the research on glacial tills in Parlung River basin and the next step of research route are put forward to provide parameter basis for the subsequent glacial tills research and planning and construction management of Sichuan-Tibet highway. |
| keywords:Sichuan-Tibet main traffic line Parlung River glacial tills physical and mechanical properties investigation of geological disasters |
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