柱下独立基础课程设计

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1、目录1设计资料········································21.1地形·····························································21.2工程地质条件·····················································21.3岩土设计参数·····················································21.4水文地质条件·················

2、····································31.5上部结构材料·····················································31.6材料·····························································31.7本人设计资料·····················································32独立基础设计····14························

3、·······42.1选择基础材料·····················································42.2选择基础埋置深度·················································42.3求地基承载力特征值···············································42.4初步选择基底尺寸·················································42.5验算持力层地基承载力·

4、············································52.6计算基底反力·····················································52.7柱边基础截面抗冲切验算···········································62.8变阶处抗冲剪验算·················································62.9配筋计算·································

5、························72.1014基础配筋大样图··················································82.11确定ABC两轴柱子基础底面尺寸··································82.12地基沉降变形验算···············································9附图1·····························································

6、·10附图2······························································11附图3······························································12柱下独立基础课程设计1设计资料1.1地形拟建建筑地形平整1.2工程地质条件自上而下土层依次如下：①号土层：杂填土，层厚0.6m含部分建筑垃圾。②号土层：粉质粘土，层厚1.5m，软塑，潮湿，承载力特征值。14③号土层：黏土，层厚1.8m，可塑，稍湿，承载力特征值

7、。④号土层：细砂，层厚2.0m，中密，承载力特征值。⑤号土层：强风化砂质泥岩，厚度未揭露，承载力特征值。1.3岩土设计参数表1.1地基岩土物理学参数土层编号土的名称重度孔隙比e液性指数粘聚力c内摩擦角压缩模量标准贯入锤击数N承载力特征值①杂填土17.8--------------②粉质粘土19.50.650.8435147.56150③黏土18.90.580.7825258.211190④细砂20.50.62----3011.616240⑤强风化砂质泥岩22--------18223101.4水文地质条件1)拟建厂区地下水对混凝

8、土结构无腐蚀性。2)地下水位深度：位于地表下1.5m。1.5上部结构材料拟建建筑物为多层全现浇框架结构，框架柱截面尺寸为400mm400mm。室外地坪标高同自然地面，室内外高差350mm。柱网布置图如图1.1所示：141.6材料混凝土强度等级为，钢筋采用。1.7