| 置换减载与加筋复合处理方法对路基不均匀沉降控制效果研究 |
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| 引用本文： | 卢谅,石通辉,杨东.置换减载与加筋复合处理方法对路基不均匀沉降控制效果研究[J].岩土力学,2019(9):3474-3482. |
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| 作者姓名： | 卢谅 石通辉 杨东 |
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| 作者单位： | 重庆大学山地城镇建设与新技术教育部重点实验室;重庆大学土木工程学院;重庆大学库区环境地质灾害防治国家地方联合工程研究中心;重庆绿地申港房地产开发有限公司 |
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| 基金项目： | 国家自然科学基金资助项目（No.51679018,No.5142010501）;中央高校基本科研业务费专项资金项目（No.106112016CDJXY200003）;重庆市基础科学与前沿技术研究专项（No.cstc2017jcyjA1410）~~ |
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| 摘 要： | 为了解决高速公路常见的不均匀沉降问题,提出了一种置换减载与加筋相结合的复合路堤处理技术。该技术利用具有一定刚度的PVC管置换路堤填土,减轻路堤自重荷载的同时发挥圆管的加筋作用,使得地基中附加应力减小,从而达到控制路基不均匀沉降的目的。为了验证该技术对地基不均匀沉降的控制效果,开展了置换减载与加筋复合处理路堤与未经处理普通路堤的大型模型试验,通过观测其在多级荷载作用下不均匀沉降的发展规律及沉降随时间的变化规律,并结合沉降理论进行分析验证,揭示了置换减载与加筋复合处理方法控制不均匀沉降的机制。该成果为加筋路堤或轻质置换路堤的设计及计算提供了理论依据。
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| 关 键 词： | 不均匀沉降 模型试验 置换减载 加筋路堤 |
Control effect of uneven settlement of subgrade by composited method of replacement load shedding and reinforced embankment |
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| LU Liang,SHI Tong-hui,YANG Dong.Control effect of uneven settlement of subgrade by composited method of replacement load shedding and reinforced embankment[J].Rock and Soil Mechanics,2019(9):3474-3482. |
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| Authors: | LU Liang SHI Tong-hui YANG Dong |
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| Institution: | (Key Laboratory of New Technology for Construction of Cities in Mountain Area,Ministry of Education,Chongqing University,Chongqing 400045,China;School of Civil Engineering,Chongqing University,Chongqing 400045,China;National Joint Engineering Research Center of Geohazards Prevention in the Reservoir Areas,Chongqing University,Chongqing 400045,China;Chongqing Greenland Shen-Gang Real EstateDevelopment Co.,Ltd.,Chongqing 401121,China) |
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| Abstract: | LU Liang;SHI Tong-hui;YANG Dong(Key Laboratory of New Technology for Construction of Cities in Mountain Area,Ministry of Education,Chongqing University,Chongqing 400045,China;School of Civil Engineering,Chongqing University,Chongqing 400045,China;National Joint Engineering Research Center of Geohazards Prevention in the Reservoir Areas,Chongqing University,Chongqing 400045,China;Chongqing Greenland Shen-Gang Real EstateDevelopment Co.,Ltd.,Chongqing 401121,China) |
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| Keywords: | uneven settlement model test replacement load shedding reinforced embankment |
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