| 高铁湿陷性黄土隧道地基处理浅析 |
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| 引用本文： | 王洪坤. 高铁湿陷性黄土隧道地基处理浅析[J]. 铁道建筑技术, 2013, 0(12): 69-71 |
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| 作者姓名： | 王洪坤 |
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| 作者单位： | 中铁二十局集团第二工程有限公司,西安710000 |
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| 摘 要： | 根据湿陷性黄土隧道工程特点,结合宝兰客专客运专线王家岔湿陷性黄土隧道地基加固处理的工程实例,阐述了洞口和洞内两种施工工艺不同的水泥土挤密桩施工方案,分析了隧道内水泥土挤密桩施工对其它工序的干扰和对工期的影响,以及施工振动对初支结构和围岩稳定的危害,提出了有效的控制措施.
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| 关 键 词： | 黄土隧道 砂质黄土 湿陷性 地基加固 水泥土挤密桩 监控量测 |
Analysis of High-speed Rail Tunnel Collapsible Loess Foundation Treatment |
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| Wang Hongkun. Analysis of High-speed Rail Tunnel Collapsible Loess Foundation Treatment[J]. Railway Construction Technology, 2013, 0(12): 69-71 |
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| Authors: | Wang Hongkun |
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| Affiliation: | Wang Hongkun ( China Railway 20^th Bureau Group Co. Ltd. , Xi＇ an 710000, China) |
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| Abstract: | Based on the engineering characteristics of collapsible loess tunnel, combined with the project of collapsible lo- ess foundation treatment of Baoji-Lanzhou Passenger Dedicated Railway, the paper elaborates the two different construction processes of cement-soil compaction piles in and out of the tunnel, analyzes its disturbance on other processes and construc- tion period as well as the harm of construction vibration to the initial support and surrounding, and puts forward effective measure. |
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| Keywords: | loess tunnel sandy loess collapsible foundation reinforcement cement-soil compaction pile monitoringand measurement |
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