| Optimum Design of Highway Excavation Slope Angle: Evidence from Dawu Section of Jingzhu Highway |
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| 作者姓名： | Hu XinliEngineering Faculty China University of Geosciences Wuhan Construction Engineering Faculty Jilin University Changchun Tang HuimingEngineering Faculty China University of Geosciences Wuhan |
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| 作者单位： | Hu XinliEngineering Faculty，China University of Geosciences，Wuhan 430074; Construction Engineering Faculty，Jilin University，Changchun 130026Tang HuimingEngineering Faculty，China University of Geosciences，Wuhan 430074 |
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| 基金项目： | theNationalNaturalScienceFoundationofChina (No .40 0 72 0 85 ) |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＨｉｇｈｗａｙｅｘｃａｖａｔｉｏｎｄｅｓｉｇｎ ,ａｐｒｅｃｏｎｄｉｔｉｏｎｏｆｔｈｅｓｌｏｐｅｉｍｐｒｏｖｅｍｅｎｔ,ａｉｍｓｔｏｐｒｏｐｏｓｅｔｈｅｓｕｉｔａｂｌｅｅｘｃａｖａｔｉｏｎｓｌｏｐｅａｎ ｇｌｅｗｈｉｃｈｃａｎｍｅｅｔｔｈｅｎｅｅｄｓｏｆｔｈｅｓｌｏｐｅｓｔａｂｉｌｉｔｙａｎｄｔｈｅｅｃｏ ｎｏｍｉｃｓｅｃｕｒｉｔｙ .Ｔｈｅｈｉｇｈｗａｙｓａｆｅｔｙｉｓｓｔｒｏｎｇｌｙａｆｆｅｃｔｅｄｂｙｔｈｅｒｅｓｕｌｔｓｏｆｅｘｃａｖａｔｉｏｎｄｅｓｉｇｎｏｆｔｈｅｓｌｏ…
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Optimum Design of Highway Excavation Slope Angle: Evidence from Dawu Section of Jingzhu Highway |
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| Hu XinliEngineering Faculty,China University of Geosciences,Wuhan , Construction Engineering Faculty,Jilin University,Changchun Tang HuimingEngineering Faculty,China University of Geosciences,Wuhan .Optimum Design of Highway Excavation Slope Angle: Evidence from Dawu Section of Jingzhu Highway[J].Journal of China University of Geosciences,2001,12(3). |
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| Authors: | Tang Huiming Hu Xinli |
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| Abstract: | The optimum design of the highway excavation slope angle is one of the most important problems to the highway construction and to the slope improvement. The Dawu Section of Jingzhu (Beijing-Zhuhai) Highway is taken as an example to illustrate the study method for excavation slope angle design.The analysis of the engineering condition from different angles with different factors shows that the stability of the slope is calculated by using residual pushing force and the Sarma method. Then the sensitive analysis of the slope stability is conducted by using residual pushing force method. Finally, the optimum angle of design is presented on the precondition of ensuring the whole stability of slope and the economic reasonability. The study results show that the most sensitive factors are the shear strength parameter and t he seismic force, and that the optimum excavation slope angle is 60°.`` |
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| Keywords: | the most dangerous sliding plane stability evaluation sensitive analysis optimum design angle of slope |
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