砂卵石地层条件下台阶式基坑的地表变形特点及地层补偿法应用

孙毅^1,², 张顶立¹, 赵勇²

Surface subsidence features of pit in pit foundation and application of stratum compensation theory in sand cobble stratum

SUN Yi^1,², ZHANG Dingli¹, ZHAO Yong²

台阶式基坑变形示意图