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某市处在江南沿海软土地区,1996～1997年因为城市建设和发展而拆迁安置的农民安置区,共建房12幢,41户。为减少各户自建过程中可能出现的矛盾,按当地传统作法,统一施工条形基础,按施工后的基础平面划分到各住户,由其自行建造上部建筑。统一的毛石条形基础作法见图1,当时无地质资料。1998年初,有住户反映基础沉降、墙身开裂的问题,实地查勘显示,该安置区沉降较大,局部出现不均匀沉降裂缝,而且对部分未建房处的基础挖开检查,毛石基础质量差,孔洞严重,用
A certain city is located in the soft land area along the south of the Yangtze River. From 1996 to 1997, 12 houses and 41 houses were built as a result of urban construction and development. In order to reduce the possible contradictions in the process of self-construction of households, according to local traditional practices, the construction of a unified bar foundation, according to the basic plane after construction is divided into various households, by its own construction of the upper building. The unified rubble strip foundation method is shown in Figure 1. There was no geological data at that time. At the beginning of 1998, there were households that reflected the problems of foundation settlement and wall cracking. Field surveys showed that the settlement in the settlement area was large, uneven settlement cracks appeared in some places, and the inspection of the foundations of some unbuilt houses was conducted. Poor, serious holes, with