| 分层加筋技术与冻土路基裂缝防治 |
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| 引用本文： | 郭韫武. 分层加筋技术与冻土路基裂缝防治[J]. 铁道建筑技术, 2012, 0(5): 70-73 |
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| 作者姓名： | 郭韫武 |
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| 作者单位： | 中铁第一勘察设计院集团新疆铁道勘察设计院,乌鲁木齐,830011 |
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| 摘 要： | 裂缝是多年冻土路基的特殊性问题之一。为抑制路堤裂缝的产生和发展,在填土中分层敷设土工格栅,利用土工格栅良好的抗拉性能,提高路堤土体强度,增强路堤整体稳定性,减少路基土体自中心向两侧的水平位移,试验和工程实践证明是一种行之有效的工程措施。
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| 关 键 词： | 青藏铁路 多年冻土 裂缝 分层加筋 防治 |
Hierarchical Reinforcement Technology and Permafrost Subgrade Cracks Prevention |
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| Affiliation: | Guo Wenwu(China Railway First Survey and Design Institute Group Co.Ltd.,Xi’an 710043,China) |
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| Abstract: | Cracks in permafrost subgrade is one of the special problems.To curb the appearance and development of cracks in the embankment,the layered laying geogrid is used in the fill,whose good tensile properties can raise the embankment soil strength,enhance the overall stability of the embankment to reduce the horizontal displacement of the subgrade soil from the center to the two side.Experiment and engineering practice prove that it is an effective engineering measures. |
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| Keywords: | Qinghai-Tibet railway permafrost cracks hierarchical reinforcement prevention |
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