【摘要】 本文以国内外大量试验资料为基础,揭示硬壳层软土地基的应力分布及承载变形特性,提出以硬壳层内的应力集中程度为主要特征的硬壳层地基所具有的3个承载变形阶段,并对如何利用硬壳层地基的各个阶段提出了具体措施。本文还回归了路堤极限高度与硬壳层厚度和地基强度的关系,可供有关方面参考。更多还原

【Abstract】 Based on great amount of practical test information both at home andabroad,this paper summarizes a series of specific properties about stress distribution,bearing capacity and settlement mechanism of hard shell subgrade.The elastic,elastic-plastic,and critical bearing conditions and settlement stages of hard shell subgrademainly symbolized as stress concentration degree in hard shell are brought to light,and the methods of utilization of these conditions and stages are discussed.Twoformulas about interrelating the critical embankment height with hard shell thicknessand subgrade strength are regressed for reference.更多还原