微型钢管复合桩加固软土地基山文华区志江１工程概况某综合楼建筑总面积约１６０００ｍ２，９层，１层地下室，框架结构（图１）。图１建筑总平面场地地质条件较复杂：基岩埋深起伏变化大（最深达３０多ｍ），上覆盖土层为第四系冲积、坡积及残积土层，土层不稳定，不连续... Miniature steel pipe composite piles to reinforce soft ground Jishan 1 in the Wenhua District Project Overview The total area of ​​a comprehensive building is about 16000m2, 9 floors, 1 basement, and frame structure (Figure 1). Fig.1 Geological conditions of the general building site are more complex: bedrock fluctuating deeply (up to 30m in depth), and the overlying soil is Quaternary alluvial, slope-product and residual soil layers. The soil is unstable and discontinuous. ...