| 黄土高路堤超载预压技术适用性研究 |
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| 引用本文： | 尹利华,陈晓瑛.黄土高路堤超载预压技术适用性研究[J].路基工程,2014,0(5):167-169. |
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| 作者姓名： | 尹利华 陈晓瑛 |
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| 作者单位： | 1.中交第一公路勘察设计研究院有限公司, 西安 710065 |
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| 摘 要： | 针对黄土高路堤沉降变形大的问题,通过有限元方法分别计算了不同填高路堤在不同超载厚度预压下的变形值,研究黄土高路堤采取超载预压技术的适用性.结果表明:为减少黄土高路堤工后沉降和不均匀沉降,对路堤高度小于20.0 m的一般路段,可采取超载方法进行预压处理,超载厚度可取2.5 m.而对黄土高路堤桥涵过渡路段,不宜单纯采取超载预压方法处理.
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| 关 键 词： | 公路工程 黄土 高路堤 超载预压 沉降 |
| 收稿时间： | 2019-11-07 |
Study on Applicability of Surcharge Preloading Technology for Loess High Embankment |
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| Authors: | YIN Lihua CHEN Xiaoying |
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| Affiliation: | YIN Lihua, CHEN Xiaoying ( 1. CCCC First Highway Consultants Co. , Ltd. , Xi＇an 710065, China; 2. Shaanxi Key Laboratory of Road Disaster Prevention and Reduction, Xi＇an 710075, China) |
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| Abstract: | In relation to the problem of large settlement deformation of loess high embankment,the deformation values of embankment in different filling heights under different equivalent heights of surcharge preloading were calculated respectively by FEM so as to study the applicability of such surcharge preloading technology for loess high embankment.The result shows that,in order to reduce post-construction and differential settlement of loess high embankment,the general sections with the embankment height less than 20.0 m may be treated by surcharge preloading with the value of equivalent height of surcharge being 2.5m;however,for the bridge-culvert transition zone thereof,it is inappropriate to treat by surcharge preloading simply. |
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| Keywords: | highway engineering loess high embankment surcharge preloading settlement |
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