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天然土坡、岩坡开挖后,再建造挡土墙,由于其新老填土性质不同,作用于挡土墙上的土压力,受开挖面的角度、形状以及未开挖岩土的性质等因素的影响,无法用朗肯、库仑理论来计算土压力。文中探讨了不同情况下土压力计算方法,提出了建议和处理措施。
After natural rock slope and rock slope are excavated, the retaining wall will be built again. Due to the different nature of its new and old earth fillings, the earth pressure acting on the retaining wall is affected by the angle and shape of the excavation face and the un-excavated soil Nature and other factors, can not use Rankine, Coulomb theory to calculate earth pressure. In this paper, the calculation method of earth pressure under different conditions is discussed, and suggestions and measures are put forward.