方格網(wǎng)法土方量計(jì)算書計(jì)算依據(jù)：《建筑施工計(jì)算手冊》第三版江正榮編著一、基本參數(shù)場地排水要求：雙向排水場地排水要求：雙向排水縱向排水坡度ix：0.002橫向排水坡度iy：0.003方格網(wǎng)邊長a(m)：20方格網(wǎng)縱向個(gè)數(shù)L：6方格網(wǎng)橫向個(gè)數(shù)W：6二、方格網(wǎng)角點(diǎn)原始標(biāo)高表序號序號1234567110.510.8810.9710.6610.4210.9810.78210.3510.9910.8810.8210.4810.7811310.7710.6510.7910.2510.51111.21410.6510.6611.1211.210.6711.1211.05510.8710.781111.1110.9911.2211.22611.511.2411.4311.4711.2511.3911.5711.5910.8710.9811.0811.3711.7611.83單位(m)三、場地平整高度計(jì)算1、場地設(shè)計(jì)標(biāo)高的計(jì)算H0=(ZH1+2^H2+4^H4)/(4LW)=(44.7+2x220.09+4x273.79)/(4x6x6)=10.97mH］：—個(gè)方格共有的角點(diǎn)標(biāo)咼(m)；H2：二個(gè)方格共有的角點(diǎn)標(biāo)咼(m)；H4：四個(gè)方格共有的角點(diǎn)標(biāo)咼(m)；2、考慮排水坡度影響后各個(gè)角點(diǎn)的標(biāo)高計(jì)算取中心位置為H。；各角點(diǎn)的設(shè)計(jì)標(biāo)高計(jì)算如下，雙向排水Hnm=H0±lxix±lyiy

lx、ly:角點(diǎn)于縱、橫方向距離場地中心線的距離;xyix、iy：場地縱、橫方向排水坡度；xy土：角點(diǎn)比H0高則取"+"號，反之則取"-"號。Hn=10.97-20x3x0.002-20x3x0.003=10.67m同理可得其他角點(diǎn)設(shè)計(jì)標(biāo)高，結(jié)果見下表：單位m）四、序號12單位m）四、序號1234567110.6710.7110.7510.7910.8310.8710.91210.7310.7710.8110.8510.8910.9310.97310.7910.8310.8710.9110.9510.9911.03410.8510.8910.9310.9711.0111.0511.09510.9110.9510.9911.0311.0711.1111.15610.9711.0111.0511.0911.1311.1711.21711.0311.0711.1111.1511.1911.2311.27土方工程量計(jì)算1、方格網(wǎng)角點(diǎn)設(shè)計(jì)標(biāo)高表單位（m）序號1234567110.6710.7110.7510.7910.8310.8710.91210.7310.7710.8110.8510.8910.9310.97310.7910.8310.8710.9110.9510.9911.03410.8510.8910.9310.9711.0111.0511.09510.9110.9510.9911.0311.0711.1111.15610.9711.0111.0511.0911.1311.1711.21711.0311.0711.1111.1511.1911.2311.272、各方格網(wǎng)土方工程量計(jì)算根據(jù)各角點(diǎn)的設(shè)計(jì)標(biāo)高和原始標(biāo)高，計(jì)算各角點(diǎn)的施工高度，近而計(jì)算出各方

格的零線，如下圖所示:■iMI<MflnWMlnM*方格網(wǎng)法計(jì)算圖由圖可知，第1、3、8、15、17、20、22、23、25、32、33方格為兩點(diǎn)挖方1方格中：填方量：V+=a(b+c)Yh/8=20x(10+12.667)x0.55/8=31.167m3挖方量：V=a(d+e)》h/8=20x(10+7.333)x0.39/8=16.9m3同理可得其余兩點(diǎn)挖方方格的挖填方量，列于下表：方格號1381517202223253233填方量V+(m3)31.1675.37212.78438.471.39629.84123.02726.2565.211.884.105挖方量V-(m3)16.919.26414.74120.2050.775.0814.0046.74757.18239.0460.403第5、7、9、11、14、16方格為一點(diǎn)挖方5方格中：填方量：V+=(a2-bc/2)Yh/5=(202-4.231x8.462/2)x0.97/5=74.127m3挖方量：V=bc》h/6=4.231x8.462x0.11/6=0.656m3

同理可得其余一點(diǎn)挖方方格的挖填方量，列于下表:方格號579111416填方量V+(m3)74.12741.72251.53980.74532.96109.951挖方量V-(m3)0.6562.9581.5240.0014.0321.599第12、18、24、26、28、29、31、34方格為三點(diǎn)挖方12方格中：填方量：V+=bclh/6=16.667xl8.75x0.15/6=7.813m3挖方量：V=(a2-bc/2)》h/5=(202-16.667xl8.75/2)x0.22/5=10.725m3同理可得其余三點(diǎn)挖方方格的挖填方量，列于下表:方格號1218242628293134填方量V+(m3)7.8130.1760.3534.5491.0670.8981.6320.203挖方量V-(m3)10.72520.11218.67839.64541.7632.96899.13853.215第6方格為相對兩點(diǎn)挖方6方格中：填方量V+=a2(h43/((h4+h2)(h4+h3))+h13/((h1+h2)(h1+h3)))/6=202x(0.153/((0.15+0.11)x(0.15+0.03))+0.133/((0.13+0.11)x(0.13+0.03)))/6=8.622m3挖方量：V-=a2(2h2+2h3-h4-h1)/6+V+=202x(2x0.11+2x0.03-0.15-0.13)/6+8.622=8.622m3同理可得其余相對兩點(diǎn)挖方方格的挖填方量，列于下表:方格號6填方量V+(m3)8.622挖方量8.622

V-(m3)第4、10、13、19方格為四點(diǎn)填方4方格中：填方量：V+=a2(h4+hi+h2+h3)/4=202x(0.03+0.13+0.41+0.41)/4=98m3挖方量：V-=0m3同理可得其余四點(diǎn)填方方格的挖填方量，列于下表:方格號4101319填方量V+(m3)981556364挖方量V-(m3)0000第2、21、27、30、35、36方格為四點(diǎn)挖方2方格中：填方量：V+=0m3挖方量：V=a2(h4+h1+h2+h3)/4=202x(0.22+0.17+