土方工程量(設計標高)計算題含詳解

1、262.00已知方格網邊為30ml請對以下網格進行場地平整挖填土方量計算。26Z5022262.00232615024262.0032261.5033261.0034111213263.0(21262.5(31261.50261.00260,50、確定場地設計標高H0Hi 2 H 2 3 H 3 4 H4H04n二(263.00+261.50+262.00+260.50)+2(26250+262.00+261.50+261.00+26 .2.50+261.00)+4 (262.00+261.50) /(4 6)=261.75m二、考慮泄水坡度對初步確定的場地設計標高進行調整Hn二He Lxix

2、 LyiyH11261.75 45 0.2% 30 0.3%261.93mH12 261.75 15 0.2% 30 0.3% 261.87mH21 261.75 45 0.2% 0 0.3% 261.84m?hx=30 2%o=0.06m ?hy=30 3%o=0.09m調整后設計標高:HoHoLx ixLy iy1113142193252.5262 口261.5加L7521262.531261.8426? 026L75252.026L762615261.60242b1 5及1J22bl.D261附E226LDZbLbi三、計算場地各角點的施工高度hn Ho Hhn261.93263.01.

3、07h12261.87262.500.63h2i261.84262.500.66111.07263.031Ubb刃.2526? 026175242m5261,571226150.63Ojq14262.02a1.81歷L5O.?526US-0.22262.061.760.19261.5261.69口一絲2S1.5261.720.63261.026163四、計算零點位置并確定零線ah1h2二426(X5261.66107261,57XiX230 0.220.19 0.2530 0.220.19 0.2212.95m16.10mI I253.02J262占31?62.O261.7517 G26193

4、Q65%1J84-0.2S261.5261.69261.026163260.5 阿 57五、計算土方工程量A、F方格四個角點全部為挖填方，計算公式為:2a /、V 一 (h1 h2 h3 h4)4B、C、D、E方格計算公式為:Vt(Ht)2VW(Hw)24 H土方工程最計算表方格編號挖方(-)填方(+ )AV = -(1.07 + 0.63 + 0.66 +0.22) = 508.5B展 0963皿9 + 02"=皿4 440 63+0 19 + 0 22 + 0.22)(y(0,22) )2V 二« = 7.144(0 63+0.19+0 22+0.22)C(y(0.19) )2V =-心=6 15江 319 十 0.2S + 0.22 + 0.66)«y (0.25 4-0.22 4-0.66) /V -= 6.154V (0. 19 + 02S + 0.22+0.665 jD二 0.66+ 0 22 +0,25) 2 = 4(066 + 0220250 19)八£。9) >2_1347(066*022*025*0 19)E八2 )2_=$64工£ (0.22 4 0.22 + 0.19 + 0.63)(>(0.22 + 0.19+0.63) ?y = 193 144V (0.22 + 0.