桥梁下构工程量计算方法有哪些?
1:桥梁桩基础计算:
号桩基:π×(1.8÷2)2×(66-52)×4=
..④号桩基计算如上
⑤号桩基:左幅:π×(1.8÷2)2×(69-55)×2=
右幅:π×(1.8÷2)2×(71-55)×2=
2:桥墩计算:
号墩:π×(1.5÷2)2×(77.429-66)×4=
好墩:π×(1.5÷2)2×(77.328-66)×4=
号墩:π×(1.5÷2)2×(77.219-66)×4=
④号墩:π×(1.5÷2)2×(77.102-66)×4=
⑤号墩:左幅:π×(1.5÷2)2×(76.99-69)×2=
右幅:π×(1.5÷2)2×(76.982-71)×2=
⑥号墩:左幅:π×(1.5÷2)2×(76.978-57.5)×2=
右幅:π×(1.5÷2)2×(76.973-57.5)×2=
3:系梁计算:
D为
求角度:
扇形面积:nπr2÷3600=(5307,×2×3.14×0.752)÷3600=0.52m2
三角形面积:(1.2×0.45)÷2=0.27m2
小半圆面积:0.52-0.27=0.25m2
两个小扇形面积:(0.3×1.2)-0.25=0.11m2
一个系梁的工程量为:(6×1.2+0.11×2)×1.4=10.388m3
全桥D为1.5cm的系梁工程量:10.388×10=103.88m3
D为
求角度:sinx=60÷90=0.667 则x=41048,
扇形面积:(41048,×2×3.14×0.92)÷3600=0.59m2
三角形面积:[1.2×(
小半圆面积:0.59-0.40=0.19m2
两个小扇形面积:1.2×[0.9-(
一个系梁的工程量为:[(7.5-1.8)×1.2+0.35×2]×1.4=10.556m3
全桥D为1.8cm的系梁工程量:10.556×10=105.56m3
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13.99×2×1.5×(1.7-0.5)=
0.75×4×0.5×2=
[(1.98-1.2)+4]×2.75×0.5=
{[(0.25+0.375)×0.5]÷2}×1.2×4=
43.369+50.364+3+6.573+0.75=
0号桥台:
基础:
[9.9×(3×0.7+3.351)×1+9.2×(2×0.7+3.251)×1+9.939×(3×0.7+3.351)×1+9.939×(2×o.7+3.351)×1]×2=
挡块:[(0.375+0.25)×0.5]÷2×1.1×4=0.6875m3
垫石:0.132×1×[(0.36-0.125)×2]=0.444m3
台身:(9.94+0.7)×2×4.65×2=197.9m3
(13.99-1.5)×2×6.5×2=
(197.9+324.74)÷2×5.55=
13.99×2×8×2×5.55÷2=
1242.31-725.16=