3.2.1.场地平整土方量的计算本工程地形图如图3.2.1所示。
图3.2.1地形图根据地形图的等高线采用内插法确定各方格角点的自然底面标高，如图3.2.2所示。
采用“挖填土方量平衡法”确定场地的设计标高，计算场地平整的土方量。
（1）初步确定场地平整的设计标高（2）最终确定场地内各方格角点的设计标高nZ Z Z Z Z 443243210∑∑∑∑+++=m Z 01.90141.22632.22557.22371.2251=+++=∑m 26.901182.22594.22509.22624.22621.22606.22690.22577.22559.22542.22508.22567.22421.22486.22396.22343.22473.22498.22422.22545.2252Z 22=+++++++++++++++++++⨯=∑）（m84.2161995.22578.22561.22543.22527.22515.22581.22697.22417.22537.22559.22582.22568.22545.22520.22597.22471.22447.22417.22457.22483.22409.22533.22557.2254Z 42=+++++++++++++++++++++++⨯=∑）（m Z 43.22535484.2161926.901101.9010=⨯++=m Z 54.225%2.050%3.07043.2251=⨯-⨯+='yy x x i i l i l z z ±±='0图3.2.2各方格角点的自然地面标高同理可得=225.48 =225.42 =225.36 =225.30 =225.24 =225.18=225.12=225.50=225.44 =225.38 =225.32 =225.26=225.20 =225.14 =225.08 =225.46 =225.40 =225.34=225.28 =225.22=225.16 =225.10 =225.04 =225.42 =225.36=225.30 =225.24 =225.18 =225.12 =225.06 =225.50=225.38=225.32=225.26=225.20=225.14=225.08=225.02=224.96 =225.34 =225.28 =225.22=225.16 =225.10 =225.04 =224.98 =224.92各方格角点的设计标高如图3.2.3所示。
（3）计算各角点的施工高度，标出场地零线同理可求出其他方格角点的施工高度，并用图解法确定零线，如图3.3.3所示。
'2Z '3Z '4Z '5Z '6Z '7Z '8Z '9Z '10Z '11Z '12Z '13Z '14Z '15Z '16Z '17Z '18Z '19Z '20Z '21Z '22Z '23Z '24Z '25Z '26Z '27Z '28Z '29Z '30Z '31Z '32Z '33Z '34Z '35Z '36Z '37Z '38Z '39Z '40Z '41Z '42Z '43Z '44Z '45Z '46Z '47Z '48Z i i i Z Z H -'=m H 17.0-71.22554.2251=-=225.54225.45225.48225.22225.42224.98225.36224.73225.30224.43225.24223.96225.18223.57225.71225.82225.50225.57225.44225.33225.38225.09225.32224.83225.26224.57225.20224.17225.14223.86225.08225.12225.94226.09226.24226.41225.46225.68225.40225.45225.34225.20225.28224.97225.22224.71225.16224.47225.10224.21225.04225.42225.82225.36225.59225.30225.37225.24225.17225.18224.97225.12224.81225.06224.67225.00225.38225.95225.32225.78225.26225.61225.20225.43225.14225.27225.08225.15225.02225.08224.96225.34226.21225.28226.06225.22225.90225.16225.77225.10225.59225.04225.42224.98225.32224.921--1-0.17+0.03+0.2+0.38+0.57+0.81+1.22+1.55-0.32-0.48-0.67-0.86-1.07-0.13+0.05+0.23+0.43+0.63+0.97+1.22-0.28-0.46-0.63-0.93-0.11-0.29-0.52-0.84+0.08-0.13-0.41-0.74+0.25+0.01-0.29-0.67+0.45-0.17-0.19-0.55+0.63+0.25-0.13-0.44+0.83+0.33-0.12-0.42--13--14--15--11--22--23--24--25--21--32--33--34--35--31--42--43--44--45--41--52--53--54--55--51--62--63--64--65--61--72--73--74--75--719172533412101826344231119273543412202836445132129374561422303846715233139478162432140482‰3‰图3.2.3各方格角点的施工高度及零线（4）计算各方格的土方量1-3、1-4、1-5、1-6、1-7、2-4、2-5、2-6、2-7、3-5、3-6、3-7为全填方格（+）2-1、3-1、3-2、4-1、4-2、4-3、5-1、5-2、5-3、5-4、5-5、5-6、5-7为全挖方格（-）()432124H H H H a V +++=32318623.005.038.02.0420m V =+++=-）（324116143.023.057.038.0420m V =+++=-）（325124481.063.043.057.0420m V =+++=-）（326136397.022.163.081.0420m V =+++=-）（327149622.155.197.022.1420m V =+++=-）（324210026.043.008.023.0420m V =+++=-）（325217745.063.026.043.0420m V =+++=-）（326226863.097.045.063.0420m V =+++=-）（327236583.063.022.197.0420m V =+++=-）（32538715.045.001.026.0420m V =+++=-）（326314825.063.015.045.0420m V =+++=-）（327320433.025.083.063.0420m V =+++=-）（()432124H H H H a V +++=1-1、1-2、2-2、2-3、3-3、3-4、4-4、4-5、4-6、4-7为部分挖土（-），部分填土方格（+）321212128.048.013.032.0420m V =+++=-）（321318946.067.028.048.0420m V =+++=-）（322311429.011.046.028.0420m V =+++=-）（321426263.086.046.067.0420m V =+++=-）（322419052.029.063.046.0420m V =+++=-）（323413541.052.013.029.0420m V =+++=-）（321534963.093.007.186.0420m V =+++=-）（322529284.052.093.063.0420m V =+++=-）（323525174.041.084.052.0420m V =+++=-）（324521167.029.074.041.0420m V =+++=-）（325517055.019.067.029.0420m V =+++=-）（326513144.013.055.019.0420m V =+++=-）（32751094.012.044.013.0420m V =+++=-）（H H a V ∑∑=224）（挖挖H H a V ∑∑=224）（填填3221114.5903.013.032.017.013.032.017.0420m V =+++++⨯==-）（挖3222112.405.013.02.003.013.0420m V =+++⨯==-）（挖3222244.4705.011.028.013.011.028.013.0420m V =+++++⨯==-）（挖3223257.208.023.005.011.011.0420m V =+++⨯==-）（挖3223305.4608.013.029.011.013.029.011.0420m V =+++++⨯==-）（挖3224401.8229.001.041.013.029.041.013.0420m V =+++++⨯==-）（挖322543615.019.029.001.019.029.0420m V =++++⨯==-）（挖3226422.1425.013.019.015.013.019.0420m V =++++⨯==-）（挖3227453.712.013.033.025.012.013.0420m V =++++⨯==-）（挖3221114.013.032.003.017.003.0420m V =+++⨯=-）（填3222190.1205.013.02.003.02.003.0420m V =++++⨯=-）（填3222244.011.028.013.005.005.0420m V =+++⨯=-）（填3223-257.2708.011.023.005.008.023.005.0420m V =+++++⨯=）（填3223305.113.029.008.011.008.0420m V =+++⨯=-）（填3224352.2513.001.026.008.001.026.008.0420m V =+++++⨯=-）（填（5）平整场地总土方量为3.3.1 工程降水方案1.设计资料吉林建筑大学城建学院电气信息系馆工程，场地平整已经完成，现场地势平坦，周围没有其他建（构）筑物。