V=[ab+(a+a1)×(b+b1)+a1×b1]×h/6=[上面积+下面积+(上边长+下边长)*(上边宽+下边宽)]*(六分之一的四棱台高)基础部分计算部位CT-8J-2截头矩形角锥长上5.110.9长下2.83注:安左右为长向宽上3.710.55宽下1.42.4H下H上2.750.3V上29.011680.96V下00V合计29.011680.96个数018合计017.28独立基础C30砼总计独立基础垫层C10014.976垫层总计宽高长条基C300.660.25151.84条基C10垫层0.760.1151.84土方放坡系数下底宽下底长0.421.42.8上底宽上底长3.715.1150.265524.32V=[ab+(a+a1)×(b+b1)+a1×b1]×h/6=[上面积+下面积+(上边长+下边长)*(上边宽+下边宽)]*(六分之一的四棱台高)四楞台体积公式a、b是下底边长a1、b1是上边长J-3J-40.551.052.630.550.92.630.30.250.30.250.849251.07252.0282.252.877253.32258323.0189.96756.2723.072体积25.053611.53984坑深2.7550.265524.32下a小12.24a大下b小b大h高V体0