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本文在引用日本宫川简化稳定分析的理论基础上对软土地区路堤合理断面的选择,作了若于论述:1.采用放缓边坡与反压护道所能提高的路堤极限高度;2.当路堤稳定性受地基强度控制时,采用放缓边坡与反压护道,在用地与稳定性方面的综合比较;3.反压护道合理高度及满足稳定条件时护道最小宽度。文中还制有选择合理断面的计算图表,为设计工作提供了方便。
In this paper, Japan’s Miyagawa simplified stability analysis based on the theory of soft soil embankment reasonable cross-section choice, made as discussed: 1. The use of slowed slope and anti-pressure to protect the road can increase the height of the embankment; 2 When the stability of embankment is controlled by the foundation strength, a comprehensive comparison of land use and stability is adopted when the stability of embankment is controlled by the slope and the anti-pressure guard; 3. The reasonable height of the guard fence and the minimum width of the guardrail when the stability condition is met. The article also made a selection of reasonable section of the calculation chart, provides a convenient design work.