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。
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”确定场地的设图3.2.1地形图图3.2.2各方格角点的自然地面标高计标高，计算场地平整的土方量。
（1）初步确定场地平整的设计标高nZ Z Z Z Z 443243210∑∑∑∑+++=m Z 01.90141.22632.22557.22371.2251=+++=∑m26.901182.22594.22509.22624.22621.22606.22690.22577.22559.22542.22508.22567.22421.22486.22396.22343.22473.22498.22422.22545.2252Z 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=⨯++=（2）最终确定场地内各方格角点的设计标高 m Z 54.225%2.050%3.07043.2251=⨯-⨯+='同理可得'2Z =225.48 '3Z =225.42 '4Z =225.36 '5Z =225.30 '6Z =225.24 '7Z =225.18'8Z =225.12 '9Z =225.50 '10Z =225.44 '11Z =225.38 '12Z =225.32 '13Z =225.26 '14Z =225.20 '15Z =225.14 '16Z =225.08 '17Z =225.46 '18Z =225.40 '19Z =225.34 '20Z =225.28 '21Z =225.22'22Z =225.16 '23Z =225.10 '24Z =225.04 '25Z =225.42 '26Z =225.36'27Z =225.30 '28Z =225.24 '29Z =225.18 '30Z =225.12 '31Z =225.06 '32Z =225.50'33Z =225.38 '34Z =225.32 '35Z =225.26 '36Z =225.20 '37Z =225.14 '38Z =225.08 '39Z =225.02 '40Z =224.96 '41Z =225.34 '42Z =225.28 '43Z =225.22 '44Z =225.16 '45Z =225.10 '46Z =225.04 '47Z =224.98 '48Z =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i i i Z Z H -'= m H 17.0-71.22554.2251=-=yy x x i i l i l z z ±±='0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。
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‰（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（+）()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 =+++=-）（图3.2.3各方格角点的施工高度及零线35217745.063.026.043.04m 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 =+++=-）（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 +++=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 =+++=-）（32529284.052.093.063.04m 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 =+++=-）（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（+）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3224402.029.041.001.013.001.0420m V =+++⨯=-）（填32254419.029.015.001.015.001.0420m V =++++⨯=-）（填3226422.2213.019.025.015.025.015.0420m V =++++⨯=-）（填3227414.3912.013.033.025.033.025.0420m V =++++⨯=-）（填（5）平整场地总土方量为）（填+=+++++++++++++++++++++=∑3283214.3922.22402.052.2505.157.2744.090.1214.02041488736526817710049636324416186m V）（挖-=+++++++++++++++++++++=∑3282353.722.143601.8205.4657.244.4712.414.59109131170211251292349135190262114189121m V3.3.1 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。