| 兰武铁路白垩系泥岩工程地质特性研究 |
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| 引用本文： | 宋旭东.兰武铁路白垩系泥岩工程地质特性研究[J].路基工程,2011,0(4):113-116. |
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| 作者姓名： | 宋旭东 |
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| 作者单位： | 中铁第五勘察设计院集团有限公司, 北京 102600 |
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| 摘 要： | 泥岩是由粘土矿物固化而成的沉积岩，多具有膨胀性，对隧道和路堑工程有较大的影响。对兰武铁路永登地区泥岩工程特性进行了初步研究，阐述了泥岩的物质构成、物理力学指标，分析了泥岩的膨胀特性，并提出了针对性的工程措施和建议。
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| 关 键 词： | 泥岩 膨胀性 工程措施 |
| 收稿时间： | 2019-11-06 |
Study on Engineering Geological Characteristics of Cretaceous Mudstone in Lanzhou-Wuwei Railway |
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| Authors: | SONG Xu-dong |
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| Affiliation: | SONG Xu-dong(The Fifth Survey and Design Institute Group Co.,Ltd.of China Railway,Beijing 102600,China) |
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| Abstract: | Mudstone is the sedimentary rocks solidified by clay minerals,most of which has expandability,with larger influence on tunnel and excavation engineering.In this paper,the engineering characteristics of mudstone in Yongdeng area along Lanzhou-Wuwei Railway are studied.Then,the composition,physical and mechanical index of mudstone are described,the expansion characteristic is analyzed,and the corresponding engineering measures and suggestions are put forward. |
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| Keywords: | mudstone expandability engineering measures |
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