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土工格室低路堤-刚性路面结构体系模型试验

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Keywords: 道路工程,土工格室,模型试验,往复车载

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Abstract:

?提出将土工格室与填入其内的碎石填料组成的加筋基层置于路堤顶部,以构成一种新型的土工格室低路堤-刚性路面结构体系,并通过2组室内模型试验对该体系的受力变形特点进行研究。采用便携式路面弯沉仪测定了试验路堤中土工格室基层加入前后动态回弹模量的变化,并通过自行设计的一套可实现往复车载的小型模型车的驱动装置模拟作用于路面上的实际车辆荷载。试验结果表明:土工格室基层的加入可显著提高碎石基层的动态回弹模量值,减少直接承受车辆荷载车道的整体平均沉降;并能带动相邻板块下的土体协同工作,提高车辆荷载的扩散均化能力,减少相邻车道间的差异沉降。

References

[1]  ZHOU Xing-shun.The Low Embankment of Yan-tong Express Highway Designs Studying[J].Journal of Highway and Transportation Research and Development:Applied Technique,2006(10):96-99.
[2]  江苏省交通规划设计研究院.江苏省高速公路低路堤的可行性研究[R].南京:江苏省交通规划设计研究院,2005.
[3]  温学钧,王海燕.平微区高速公路合理路堤高度[J].长安大学学报:自然科学版,2002,22(1):14-16.
[4]  崔新壮.交通荷载作用下低路堤软粘土地基累积沉降规律分析[J].中国公路学报,2009,22(4):1-8.
[5]  陈艳平,赵明华,陈昌富,等.土工格室碎石垫层-碎石桩复合地基相似模型试验[J].中国公路学报,2006,19(1):17-22.
[6]  易伟建,易志华.刚性路面板模型试验研究[J].土木工程学报,2004,37(12):103-106.
[7]  郭忠印,丛 林,潘正中,等.半刚性基层沥青路面结构施工阶段的测试与分析[J].中国公路学报,2001,14(增):8-12.
[8]  赵明华,张 玲,邹新军,等.土工格室-碎石桩双向增强复合地基研究进展[J].中国公路学报,2009,22(1):1-10.
[9]  屈战辉,谢永利,袁福发,等.土工格室柔性挡墙极限主动土压力计算方法[J].交通运输工程学报,2010,10(1):24-28,35.
[10]  杨晓华,林法力.土工格室结构层抗变形性能模型试验[J].长安大学学报:自然科学版,2006,26(3):1-4.
[11]  ZHA Wen-hua,HONG Bao-ning.Dynamic Response on Roadbed of Low Embankment Under Vehicle Loadings [J].Journal of Jiangsu University:Natural Science Edition,2008,29(3):264-268.
[12]  查旭东.PFWD快速检测路基模量研究[J].公路交通科技,2009,25(1):26-30.
[13]  邓学钧,陈荣生.刚性路面设计[M].2版.北京:人民交通出版社,2005.
[14]  周兴顺.盐通高速公路低路堤设计研究[J].公路交通科技:应用技术版,2006(10):96-99.
[15]  SAKAI A,SAMANG L,MIURA N.Partially-drained Cyclic Behavior and Its Application to the Settlement of a Low Embankment Road on Silty-clay[J].Journal of the Japanese Geotechnical Society,2003,43(1):33-46.
[16]  Institute of Communications Planning and Design of Jiangsu Province.Feasibility Study of Low Embankment of Expressway in Jiangsu Province[R].Nanjing:Institute of Communications Planning and Design of Jiangsu Province,2005.
[17]  WEN Xue-jun,WANG Hai-yan.Reasonable Height of Freeway Embankment in Plain or Hilly Area[J].Journal of Chang'an University:Natural Science Edition,2002,22(1):14-16.
[18]  CUI Xin-zhuang.Traffic-load-induced Cumulative Settlement of Soft Clay Subgrade of Low Road Embankment [J].China Journal of Highway and Transport,2009,22(4):1-8.
[19]  CHEN Yan-ping,ZHAO Ming-hua,CHEN Chang-fu,et al.Similarity Model Test of Geocell Reinforced Gravel Mattress and Gravel Pile Composite Foundation[J].China Journal of Highway and Transport,2006,19(1):17-22.
[20]  YI Wei-jian,YI Zhi-hua.Experimental Research on Models of Rigid Pavements[J].China Civil Engineering Journal,2004,37(12):103-106.
[21]  GUO Zhong-yin,CONG Lin,PAN Zheng-zhong,et al.Testing and Analysis of Semi-rigid Base Pavement in Construction Period[J].China Journal of Highway and Transport,2001,14(S):8-12.
[22]  ZHAO Ming-hua,ZHANG Ling,ZOU Xin-jun,et al.Research Progress in Two-direction Composite Foundation Formed by Geocell Reinforced Mattress and Gravel Piles[J].China Journal of Highway and Transport,2009,22(1):1-10.
[23]  QU Zhan-hui,XIE Yong-li,YUAN Fu-fa,et al.Calculation Method of Active Earth Pressure Under Limit State for Geocell Flexible Retaining Wall[J].Journal of Traffic and Transportation Engineering,2010,10(1):24-28,35.
[24]  YANG Xiao-hua,LIN Fa-li.Model Test on Anti-deformation of Geocell Structural Layer[J].Journal of Chang'an University:Natural Science Edition,2006,26(3):1-4.
[25]  查文华,洪宝宁.交通荷载下低路堤路基的动力响应[J].江苏大学学报:自然科学版,2008,29(3):264-268.
[26]  GEHLING W Y Y,CERATTI J A,NUNEZ W P,et al.Soil Suction and in Situ Resilient Modulus-a Study Developed at a Full-scale Pavement Test Facil-ity in Southern Brazil[C]//World Road Association.Proceedings of the International Symposium on Sub-drainage in Roadway Roads and Subgrades.Washington DC:Transportation Research Board,1998:129-135.
[27]  ZHA Xu-dong.Study of Rapid Test of Subgrade Modulus with PFWD[J].Journal of Highway and Transportation Research and Development,2009,25(1):26-30.
[28]  DENG Xue-jun,CHEN Rong-sheng.Rigid Pavement Design[M].2nd ed.Beijing:China Communications Press,2005.

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