土方开挖 S1=2.2*2.2=4.84; S2=3.73*3.73=13.913(注:3.73=1.53*0.5*2+2.2);h=1.53
V=s1+s2+(s1*s2)^0.5]*h/3=14.346
砼体积C10 S1=2.2*2.2=4.84; S2=2.3*2.3=5.29(注:2.3=0.1*0.5*2+2.2); h=0.1
V=s1+s2+(s1*s2)^0.5]*h/3=0.5065
C25 S1=2.3*2.3=5.29; S2=2.6*2.6=6.76(注:2.6=0.4*0.5*2+2.2); h=0.3
V=s1+s2+(s1*s2)^0.5]*h/3=1.8075
知道台体公式就行了.
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