实用标准文案精彩文档江苏开放大学形成性考核作业学号:姓名:课程代码:110013课程名称:建筑测量(专)评阅教师:第3次任务共4次任务实用标准文案精彩文档作业为3、控制测量,地形图的测绘与应用,建筑施工测量计算题1.附合导线(如图所示)已知数据和观测数据已列入表内,试填表计算未知导线点的坐标。导线测量计算表点号观测角’”改正后观测角’”方位角’”距离D/m纵坐标增量x/m横坐标增量y/m改正后x/m改正后y/m纵坐标x/m横坐标y/mA1925922B1732513534.570252.462160.5931772319171.85721581046161.50531933513148.658C1975803506.568691.858933110D总和辅助计算fCDAB180nnf06允xfyfDf22yxffDfKD20001允K第2题附图实用标准文案精彩文档解答:点号观测角’”改正后观测角’”方位角’”距离D/m纵坐标增量x/m横坐标增量y/m改正后x/m改正后y/m纵坐标x/m横坐标y/mA1925922B17325131732504534.570252.4621862426160.593+6-159.590-13-17.921-159.584-17.9341772319772310374.986234.528834736171.857+618.580-13170.85018.586170.837215810461581037393.572405.365615813161.505+675.900-13142.56175.906142.548319335131933504469.478547.913753317148.658+637.084-13143.95837.09143.945C19758031975357506.568691.858933110D总和642.613-28.026439.448-28.002439.396辅助计算fCDAB180n46”nf06允134”xf-24yf52Df22yxff0.057DfKD=1/1127420001允K第2题附图实用标准文案精彩文档2.完成下表四等水准测量的各项计算。四等水准测量手簿测站编号点号后尺下前尺下方向及尺号水准尺读数/mK+黑-红/mm高差中数/m备注上上后距/m前距/m前后视距差/m累计差/m黑面红面(1)(4)后(3)(8)(13)(18)1K=4.6872K=4.787(2)(5)前(6)(7)(1)(9)(10)后-前(16)(17)(15)(11)(12)11BM|T11.8421.213后11.6286.31501.4150.785前20.9995.787-1+0.628542.742.8后-前+0.629+0.528+1-0.1-0.12T1|T21.6452.033后21.3646.150+11.0821.459前11.7466.434-1-0.38356.357.2后-前-0.382-0.284+2-1.1-1.23T2|T31.9181.839后11.6206.306+11.3221.253前21.5466.334-1+0.07359.658.6后-前+0.074-0.028+2+1.0-0.24T3|2BM1.7740.910后21.5766.364-11.3880.526前10.7185.4050+0.8585实用标准文案精彩文档38.638.4后-前+0.858+0.959-1+0.20校核)9(=197.2)3(=6.188)8(=25.135)6(=5.009)7(=23.960)16(=1.179)17(=1.175]100.0)17()16([21=1.177)18(=1.177)10(=197.2(12)末站=0总距离=394.43.已知水准点A的高程为24.678m,拟测设的B点设计高程为24.800m,在A、B之间安置水准仪,读得A点上的后视读数为1.422m,问B点上标尺读数应为多少才能使其尺底位于该点的设计高程?答:b应=(HA+a)-H设=24.678+1.422-24.800=1.3m4.测设水平角AOB后,用经纬仪精确测其角值为840090,已知OB长为120m,问B点在垂直于OB方向上应向内或向外移动多少距离,才能使AOB改正为000090?(520626)答:Δβ=90000'48"-90000'00"=00000'48"BB'=0B'Δβ/ρ=120*48"/206265"=0.028m实用标准文案精彩文档5.已知A点坐标Ax=285.684m,Ay=162.345m,A~B的方位角0344296AB,又知1P、2P二点的设计坐标分别为1x=198.324m,1y=86.425m;2x=198.324m,2y=238.265m,以A点为测站,B点为后视方向,按极坐标法测设1P、2P二点,试分别计算测设数据1BP、1PD和2BP、2PD。解:△xA1=x1–xA=198.324m-285.684m=-87.36m△yA1=y1–yA=86.425m-162.345m=-75.92m因为:αA1=arctan(y1–yA)/(x1–xA)=arctan(△yA1)/(△xA1)=arctan((-75.92)/(-87.36))=42°59′32″所以:∠BA1=αA1-αAB=42°59′32″-296°44′30″+360°=104°15′02″DA1=sqart((x1–xA)2+(y1–yA)2)=sqart((△xA1)2+(△yA1)2)=sqart((-75.92)2+(-87.36)2)=115.739m△xA2=x2–xA=198.324m-285.684m=-87.36m△yA1=y2–yA=138.265m-162.345m=75.92m因为:αA2=arctan(y2–yA)/(x2–xA)=arctan(△yA2)/(△xA2)=arctan((+75.92)/(-87.36))=325°0′28″所以:∠BA2=αA2-αAB=325°0′28″-296°44′30″+360°=28°15′58″BP2P1A实用标准文案精彩文档DA2=sqart((x21–xA)2+(y2–yA)2)=sqart((△xA2)2+(△yA2)2)=sqart((-87.36)2+(75.92)2)=115.739m