18春江蘇開放大學(xué)建筑測量行考作業(yè)三答案詳解

實(shí)用標(biāo)準(zhǔn)文案江蘇開放大學(xué)形成性考核作業(yè)學(xué)姓號:名:課程代碼:課程名稱:評閱教師:110013建筑測量（專）第3次任務(wù)共4次任務(wù)精彩文檔實(shí)用標(biāo)準(zhǔn)文案作業(yè)為3、控制測量，地形圖的測繪與應(yīng)用，建筑施工測量計(jì)算題1橫坐標(biāo)xyDy252.462691.858fnABCDfff22DxyfK1K允精彩文檔實(shí)用標(biāo)準(zhǔn)文案改正后觀測角橫坐標(biāo)yxxDy17325041925922534.570252.462374.986234.5281862426772310393.572405.365469.478547.913506.568691.858439.448-28.00439.3962fn-24fff2DxfKDD1K允精彩文檔實(shí)用標(biāo)準(zhǔn)文案四等水準(zhǔn)測量手簿K/m前后視距差/m(1)(2)(9)K=4.7872(11)142.7＋0.629＋0.528＋156.3－0.382－0.284＋259.6＋0.074－0.028＋2BM１0.85852精彩文檔實(shí)用標(biāo)準(zhǔn)文案38.6＋0.858＋0.959－1=6.188=25.135=5.009=23.960=1.179=1.17512＝1.177ABA、BAB答：b=(HA+a）-H設(shè)=24.678+1.422-24.800=1.3m900048知點(diǎn)B900000？(206265)答：Δβ=9000'48"-9000'00"=0000'48"000BB'=0B'Δβ/ρ=120*48"/206265"=0.028m精彩文檔實(shí)用標(biāo)準(zhǔn)文案296A，，A~B的方位角xyAAABP、Px，y；x，y，121122以ABPP、112D和、D。2P1P2B解：A△x=x–x=198.324m-285.684m=-87.36mA11A△y=y–y=86.425m-162.345m=-75.92mPPA11A21因?yàn)椋害?arctan(y–y)/(x–x)=△y△A11A1AA1x°59′32″A1所以：∠α-α=42°59′32″-296°′″+360°=104°15′A1AB″D=sqart((x–x)+(y–y))=sqart((△x)+(△y))=2222A11A1AA1A1sqart((-75.92)+(-87.36))=115.739m22△x=x–x=198.324m-285.684m=-87.36mA22A△y=y–y=138.265m-162.345m=75.92mA12A因?yàn)椋害?arctan(y–y)/(x–x)=△y△A22A2AA2x°′28″A2所以：∠α-α=325°0′28″°44′30″+360°=28°A2AB′58″精彩文檔實(shí)用標(biāo)準(zhǔn)文案D=sqart((x2–x)+(y–y))=sqart(