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双向增强体复合地基沉降分析

, PP. 6-11

Keywords: 道路工程,双向增强体复合地基,功的互等定理,地基沉降,弹性薄板

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Abstract:

将水平加筋垫层视为一弹性薄板,地基土体简化为Winkler弹性地基模型,考虑水平加筋体的影响,由功的互等定理推导出双向增强体复合地基沉降计算式。该式综合反映了水平加筋垫层抗弯刚度、桩间距、地基土体基床系数、上部荷载等因素对复合地基沉降的影响。完成了一组"刚性桩+土工格栅"复合地基载荷试验,用文中方法计算其逐级加载下的沉降量,所得p-s曲线与实测p-s曲线吻合较好。对一工程实例进行计算,验证了文中计算方法准确性。

References

[1]  ALZAMORA D,WAYNE M H,HAN J.Performance of SRW,Supported by Geogrids and Jet Grout Columns
[2]  [C] // Proceedings of ASCE Specialty Conference on Performance Confirmation of Constructed Geotechnical Facilities.US:American Society of Civil Engineering,2000:456-466.
[3]  HAN J,AKINS K.Case Studies of Geogrid-reinforced and Pile-supported Earth Structures on Weak Foundation Soils
[4]  [C] //Proceedings of International Deep Foundation Congress.Orlando:
[5]  [s.n.],2002:668-679.
[6]  陈宏友,李彬.桩承土工合成材料复合地基在潭邵高速公路软基处理中的应用
[7]  [J].中南公路工程,2002,27(1):40-41.CHEN Hongyou,LI Bin.Application of Geosyntheticreinforced and Pile-supported Foundations on Soft Soil for Tan-Shao Expressway
[8]  [J].Central South Highway Engineering,2002,27 (1):40 -41.
[9]  REINALDO V M,SHAO Y.Geogrid-reinforced and Pilesupported Roadway Embankment
[10]  [C] //Proceedings of Contemporary Issues in Foundation Engineering.New York:ASCE Publications,2005:26-28.
[11]  蒋鹏飞,陈昌富,赵明华.土工格室垫层+碎石桩复合地基在高速公路软基处理中的应用
[12]  [J].China Journal of Highway and Transport,2006,19 (1):17 -22.
[13]  赵明华,杨明辉,吴亚中.土工格室+碎石桩复合地基承载机理及其试验研究
[14]  [J].公路交通科技,2005,22(1):6-10.ZHAO Minghua,YANG Minghui,WU Yazhong.Study on the Capacity Mechanism and Model Test of Geogrid Mattress and Gravel Pile Composite Foundation
[15]  [J].Journal of Highway and Transportation Research and Development,2005,22 (1):6-10.
[16]  AMBILYA P,GANDHI S R.Behavior of Stone Columns Based on Experimental and FEM Analysis
[17]  [J].Journal of Geotechnical and Geo-environmental Engineering,2007,133 (4):406 -415.
[18]  杨宇,陈昌富,赵明华.水平加筋与散体材料桩组合型复合地基承载力计算
[19]  [J].公路交通科技,2008,25(6):35-39.YANG Yu,CHEN Changfu,ZHAO Minghua.Bearing Capacity of Two-dimensional Reinforced Composite Foundation
[20]  [J].Journal of Highway and Transportation Research and Development,2008,25 (6):35-39.
[21]  赵明华,张玲,蒋德松.土工格室+碎石桩处治软土路基设计计算方法
[22]  [J].公路,2006(4):135-138.JIANG Pengfei,CHEN Changfu,ZHAO Minghua.Application and Research on Geocell and Gravel Pile Composite Foundation in Soft Ground Treatment in Expressway
[23]  [J].Highway,2006 (4):135-138.
[24]  HAN J,GABR M A.Numerical Analysis of Geosyntheticreinforced and Pile Supported Earth Platforms Over Soft Soil
[25]  [J].Journal of Geotechnical and Geoenvironmental Engineering,ASCE,2002,128 (1):44 -53.
[26]  蓝冰,邓新德.振冲碎石桩在饱和软土地基处理中的应用研究
[27]  [J].岩土工程界,2002,5(11):37-40.LAN Bing,DENG Xinde.Application of Vibro-flotation Stone Pile for Saturated Soft Soil Foundation Treatment
[28]  [J].Geotechnical Engineering World,2002,5 (11):37 -40.
[29]  陈艳平,赵明华,陈昌富.土工格室碎石垫层+碎石桩复合地基相似模型试验
[30]  [J].中国公路学报,2006,19(1):17-22.CHEN Yanping,ZHAO Minghua,CHEN Changfu.Similarity Model Test of Geocell Reinforced Gravel Mattress and Gravel Pile Composite Foundation
[31]  [J].公路交通科技,2008,25(4):47-51.ZHAO Minghua,ZHANG Ling,JIANG Desong.Design Calculation Method for Soft Foundation Treatment by Geocell Mattress and Stone Column
[32]  [J].Journal of Highway and Transportation Research and Development,2008,25 (4):47-51.
[33]  饶为国,赵成刚.桩-网复合地基应力比分析与计算
[34]  [J].土木工程学报,2002,35(2):74-80.RAO Weigno,ZHAO Chenggang.The Behavior of Pile-net Composite Foundation
[35]  [J].China Civil Engineering Journal,2002,35 (2):74-80.
[36]  饶为国,江辉煌,侯庆华.桩-网复合地基工后沉降的薄板理论解
[37]  [J].水利学报,2002,4(4):23-27.RAO Weiguo,JIANG Huihuang,HOU Qinghua.Deformation of Sheet Plate due to Residual Settlement of Pile-net Composite Foundation
[38]  [J].Journal of Hydraulic Engineering,2002,4 (4):23-27.
[39]  饶为国.三点法推算桩-网复合路基工后沉降量
[40]  [J].公路学报,2001(8):92-95.RAO Weiguo.Three Point Calculation Method of Residual Settlement about Pile-net Composite Foundation
[41]  [J].Highway,2001 (8):92 -95.
[42]  赵明华,刘敦平,张玲.双向增强体复合地基工后沉降分析
[43]  [J].公路交通科技,2008,25(10):26-30.ZHAO Minghua,LIU Dunping,ZHANG Ling.Analysis of Residual Settlement of Two-direction Reinforced Composite Foundation
[44]  [J].Journal of Highway and Transportation Research and Development,2008,25(10):26 -30.

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