利用CASS软件计算土石方_徐伟声.pdf

26 1 ( ) V .l 26 N . 1 2008 3 J urnal fHubei Institute f rNati nalities( Natural Science Editi n) M ar. 2008 CASS (湖北民族学院生物科学与技术学院, 湖北恩施 445000) : 提出一种适用于平整场地后地面不为平面的工 土方量的计算方法. 根据大比例尺地形图, 利用方格 网法对场地同一范围内相对于某基准面的土方量进行计算, 然后利用 CASS软件计算施工前后每 个格网土方量的 差值, 得出实际施工挖方或填方量, 最后统计全部的挖填方, 该方法简单且精度较高. : 土石方量; 方格网边长; 数字地图 : TB22 : A : 1008- 8423( 2008) 01- 0118- 03 Earthwork Calcu lating by U sing CA SS Software XU W ei- sheng ( Sch l f B i l g ical Science and T echn l gy, H ubei Institute f r Nati nalities, Ensh i 445000, Ch ina) Abs tract: A meth d f calcu lating cuts and fills is put f rw ard w hich is su itab le t the c nditi n f n t uneven gr und. The first step is t calcu late cuts and fills c mpared w ith s m e datum plane in the same rangew ith square grid m eth d. The sec nd step is t calcu late the difference in earth quantity f each grid bef re and after the c nstructi n, and get the practical cuts and fills. The last ne is t calcu late the en- tire earth quantity. Acc rd ing t engineering practice, th is meth d is smi ple and precise. K ey w ord s: earth quantity; the sidelength square grid; d igital t p graph icalmap , , . , , , , , . , , , , (), . , , , . . CASS 1, 1 1, , [ 1] , CASS . 1 CASS CAS5. 1 DTM 4 , , , , , , [ 2] , . : 2007 - 12- 02. : ( 400274005) . : ( 1972- ) , () , , , / 3S0. 1 : CA SS , , . , , , , , DTM , , . , , , . 2 ( 1) , , 3. dat. , , , , 1 , . (