2.2 Types of foundation failures(基础破坏类型) (i)General shear failure(整体剪切破坏) State of plastic equilibrium is fully developed throughout the soil above the failure surfaces(地基形成 实滑动围而破场 Heaving of the ground surface occurs(甚础两侧地面向L隆起 Typical failure mode for soils of low compressibility,i.e.dense or stiff soils(紧砂或硬粘士的典型破坏模式 图 Pressure Ground surface (地面) Sliding surface (滑动面)2.2 Types of foundation failures (基础破坏类型) (i) General shear failure (整体剪切破坏 ) ▪ State of plastic equilibrium is fully developed throughout the soil above the failure surfaces (地基形成连续滑动面而破坏) ▪ Heaving of the ground surface occurs (基础两侧地面向上隆起) ▪ Typical failure mode for soils of low compressibility, i.e. dense or stiff soils (紧砂或硬粘土的典型破坏模式) Pressure Settlement Sliding surface (滑动面) Ground surface (地面)