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在西安市地面沉降基本特征分析的基础上，初步探讨地面沉降带下伏土层的固结性能，进而分析西安市地面沉降机制。初步研究表明，由于土层的超固结性能，西安市地面沉降明显不同于沿海城市（如上海、天津等）的地面沉降。
Based on the analysis of the basic characteristics of land subsidence in Xi’an, the consolidation performance of subsoil beneath the land subsidence zone is discussed, and the land subsidence mechanism of Xi’an is analyzed. Preliminary studies show that land subsidence in Xi’an is significantly different from that of coastal cities such as Shanghai and Tianjin because of over-consolidation of soil layers.