| 火山熔岩区不良地质特征及工程分类 |
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| 引用本文： | 吕奋,资西阳,肖巧林.火山熔岩区不良地质特征及工程分类[J].路基工程,2013,0(4):43-45. |
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| 作者姓名： | 吕奋 资西阳 肖巧林 |
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| 作者单位： | 1.1海南省公路勘察设计院，海口 570206 |
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| 基金项目： | 交通运输部交通运输建设科技项目 |
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| 摘 要： | 火山喷发的岩浆在地表运动过程中，形成了特有的火山熔岩台地地貌、柱状节理、似层状构造以及地下熔洞、熔岩隧道发育，对高速公路的建设带来很多隐患。通过海南琼北火山熔岩地区的地质调绘，得出了火山熔岩区不良地质表现形式及主要工程特征。基于熔岩区公路路基工程病害成因分析，建立了熔岩不良地质特征的单因素工程分类及综合工程分类，对于路基的稳定性评价和工程处治十分必要。
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| 关 键 词： | 火山熔岩 不良地质 工程分类 |
| 收稿时间： | 2019-11-11 |
Adverse Geological Characteristics of Volcanic Lava Field and the Engineering Classification |
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| Authors: | LV Fen ZI Xiyang XIAO Qiaolin |
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| Institution: | 1.Hainan Provincial Highway Survey and Design Institute,Haikou 570206,China;2.Chongqing Jiaotong University,Chongqing 400074,China) |
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| Abstract: | Magma generated from volcanic eruption forms a unique lava platform with columnar joints, stratoid structure, and underground karst cavity, lava tunnel developed, bringing many hidden troubles to highway construction. Through geologic surveying and mapping carried out in the lava areas of Northern Hainan, the manifestation of the adverse geology thereof and its main engineering characteristics are obtained; and based on genesis analysis of subgrade diseases of highway in lava areas, the single factor and comprehensive engineering classifications in relation to adverse geological characteristics of lava are established, which is necessary to subgrade stability evaluation and the engineering treatment. |
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| Keywords: | volcanic lava adverse geology engineering classification |
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