①挖地槽工程量 <br> 挖槽深度H=1.95-0.45=1.5m>1.4m,故需放坡开挖,查表得放坡系数K=0.35,由垫层下表面放坡,则外墙挖槽工程量 <br> V1= L中(a+2C+KH)H <br> =27.2×(0.8+2×0.3+0.35×1.5)×1.5 <br> =27.2×1.925×1.5=78.54m <sup>3</sup> <br> 内墙挖槽工程量 <br> L沟槽净=3.5-0.8-0.6+3.3×2-0.8-0.6=7.3m V2= L沟槽×(a+2C+KH)H <br> =7.3×(0.8+2×0.3+0.35×1.5) ×1.5=21.08m <sup>3</sup> <br> 挖地槽工程量V=V1+V2=78.54+21.08=99.62m <sup>3</sup> <br> ②直接工程费 <br> 换算A1-10:当土方全部为ⅠⅡ类土时,定额乘以系数0.85 2336.43×0.85=1985.97元 <br> 套用A1-10换:99.62÷100×1985.97=1978.42元