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某宿舍楼采用墙下C15混凝土条形基础，基础顶面墙体宽度0.38m，基底平均压力为250kPa，基础底面宽为1.5m，试计算基础最小高度。

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某厂房为框架结构，基础位于高压缩性地基上，横断面A、B轴间距9.0m，B、C轴间距12m，C、D轴间距9.0m，A、B、C、D轴的边柱沉降分别为70mm、150mm、120mm和100mm。试问建筑物的地基变形是否在允许值范围内。

季节性冻土地区在城市近郊拟建一开发区，地基土主要为黏性土，冻胀性分类为强冻胀，采用方形基础，基底压力为130kPa，不采暖，若标准冻深为2.0m，试求基础的最小埋深。

条形基础宽度为3.6m，合力偏心距为0.8m，基础自重和基础上的土重为100kN/m，相应于荷载效应标准组合时上部结构传至基础顶面的竖向力值为260kN/m，修正后的地基承载力特征值至少要达到多少才能满足承载力要求。