电缆沟开挖土方计算式

长方体V土、石方体积h抗深1.56a坑底宽a=基础底宽+2*每边操作裕度a2.585b坑底长b1=基础底长+2*每边操作裕度b3.445a1坑口宽a1=a+2*h*边坡系数a13.2714b1坑口长b1=b+2*h*边坡系数b14.1314h617.37正方体V土、石方体积h抗深2.6a坑底宽a=基础底宽+2*每边操作裕度a1.2a1坑口宽a1=a+2*h*边坡系数a12.344h38.447517867V｛ab+（a+a1）（b+b1）+a1b1｝V（a平方+a*a1+a1平方）底部平方立方基础底宽2每边操作裕度7.87132510.379192.18520.2基础底长2每边操作裕度20.13.04520.21.80.2a2h边坡系数0.51.82.58521.560.220.31.8b2h边坡系数0.61.83.44521.560.220.61.82212.703092基础底宽2每边操作裕度0.820.2a2h边坡系数1.222.60.22回填凿平高0.17.9865290.78713252.90.582.70.9722.32.072.31.2420.30.3240.30.3245.51223-23