| 加筋砂土作用在挡土墙上的土压力研究 |
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| 引用本文： | 杨雪强,何世秀.加筋砂土作用在挡土墙上的土压力研究[J].岩土力学,1997,18(1):25-34. |
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| 作者姓名： | 杨雪强 何世秀 |
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| 作者单位： | 湖北工学院土木工程系!武汉，430068，湖北工学院土木工程系!武汉，430068，湖北工学院土木工程系!武汉，430068 |
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| 摘 要： | 以土的塑性极限分析理论和拱体理论为基础，结合挡土墙的长高比，提出了墙后砂土的两种三维破坏模式，并把两种模式与加筋相结合，求出了在加筋水平间距Sx和竖向间距Sx下作用在墙上主动土压力的上限解和设计的加筋长度。最后通过实例验证了本文的理论。
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| 关 键 词： | 挡土墙 加筋砂土 拱体 塑性极限分析 土压力上限值 |
Research About the Pressure of Reinforced Cohesionless Backfill Acted on the Retaining Wall |
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| Yang Xueqiang He Shixiu Yu Tianqing.Research About the Pressure of Reinforced Cohesionless Backfill Acted on the Retaining Wall[J].Rock and Soil Mechanics,1997,18(1):25-34. |
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| Authors: | Yang Xueqiang He Shixiu Yu Tianqing |
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| Abstract: | Based on arching body theory and soil plasticity theory, with length-height ratio of retaining wall considered, this paper gives two three-dimension failure modes of cohesionless backfill. As a result of the application of the two modes in reinforced cohesionless backfill with retaining wall, a general formula of the upper bound value of active soil pressure and design reinforcement length are deduced under different hor-izontal reinforcement space Sx and vertical reinforcement space Sx. At the last, these formula are verified by some calculation examples. |
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| Keywords: | retaining wall reinforced cohesionless backfill arching body plasticity and limit analysis upper bound value of soil pressure |
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