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)號： 姓名： 課程代碼: 110013課程名稱：建筑測量（專）評閱教師： 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

工測量計算題1.附合導(dǎo)線（如圖所示）已知數(shù)據(jù)和觀測數(shù)據(jù)已列入表內(nèi)，試填表計算未知導(dǎo)線點(diǎn)的坐標(biāo)。導(dǎo)線測量計算表點(diǎn)觀測角°’ ”改正后觀測角°’方位角a°’ ”距離D縱坐標(biāo)增量Axr/m橫坐標(biāo)增量ay/m改正后Ax/m改正后Ay/m縱坐標(biāo)x/m橫坐標(biāo)/mA1925922B1732513534.570252.462160.5931772319171.85721581046161.50531933513148.658C1975803506.568691.858933110D總和輔助計算fp=a-a+Zp±n-180°=f.=±60''''n=，B允f=xf=yfD7fx+f=fK=fK=允20001第2題附圖精彩文檔

實(shí)用標(biāo)準(zhǔn)文案解答:點(diǎn)號觀測角P°’ ”改正后觀測角°’”方位角a°’ ”距離D/m縱坐標(biāo)增量A￡/m橫坐標(biāo)增量ay/m改正后Ax/m改正后Ay/m縱坐標(biāo)x/m橫坐標(biāo)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總和642.613-28.026439.448-28.002439.396輔助計算fp=a -a +Zp±n.180°=46”于p允=±60"、n=134”fx=-24f了=52fD=± +f2=0.057“fK=yD=1/11274乙DK=允2000J1第2題附圖精彩文檔

實(shí)用標(biāo)準(zhǔn)文案2.完成下表四等水準(zhǔn)測量的各項(xiàng)計算。四等水準(zhǔn)測量手簿測站編號占八、、號后尺下上前尺下上方向及尺號水準(zhǔn)尺讀 數(shù)/mK+黑-紅/mm、.、,■高差中數(shù)/m備注后距/m前距/m前后視距差/m累計差/m黑面紅面(1)(4)后(3)(8)(13)(18)K1=4.687K2=4.787(2)(5)、乙刖(6)(7)(1)(9)(10)后-、乙刖(16)(17)(15)(11)(12)1BM1IT11.8421.213后11.6286.31501.4150.785、乙刖20.9995.787—1+0.628542.742.8后-、乙刖+0.629+0.528+1—0.1—0.12T1IT21.6452.033后21.3646.150+11.0821.459、乙刖11.7466.434—1—0.38356.357.2后-、乙刖—0.382—0.284+2—1.1—1.23T2IT31.9181.839后11.6206.306+11.3221.253、乙刖21.5466.334—1+0.07359.658.6后-、乙刖+0.074—0.028+2+1.0—0.24T3IBM21.7740.910后21.5766.364—11.3880.526、乙刖10.7185.4050+0.8585精彩文檔

實(shí)用標(biāo)準(zhǔn)文案38.638.4后-刖+0.858+0.959一1+0.20校核Z(9)=197.2Z(3)=6.188Z⑻=25.135Z(6)=5.009Z(7)=23.960Z(16)=1.179Z(17)=1.175；[Z(16)+Z(17)土0.100]=1.177Z(18)=1.177Z(10)=197.2(12)末站=0總距離=394.4.已知水準(zhǔn)點(diǎn)A的高程為24.678m,擬測設(shè)的B點(diǎn)設(shè)計高程為24.800m,在A、B之間安置水準(zhǔn)儀，讀得A點(diǎn)上的后視讀數(shù)為1.422m，問B點(diǎn)上標(biāo)尺讀數(shù)應(yīng)為多少才能使其尺底位于該點(diǎn)的設(shè)計高程？答：b應(yīng)=(HA+a)-H設(shè)=24.678+1.422-24.800=1.3m.測設(shè)水平角/AOB后，用經(jīng)緯儀精確測其角值為90。00'48〃，已知OB長為120m，問B點(diǎn)在垂直于OB方向上應(yīng)向內(nèi)或向外移動多少距離，才能使/AOB改正為90。00'00〃？(p〃=206265〃)答：AB=90000'48〃-90000'00〃=00000'48〃BB'=0B'A0/p=120*48〃/206265〃=0.028m精彩文檔

實(shí)用標(biāo)準(zhǔn)文案.已知A點(diǎn)坐標(biāo),=285.684…「162.345m,A?B的方位角aj2964430〃，又知P、勺二點(diǎn)的設(shè)計坐標(biāo)分別為丁畫⑻口，『6.425—2=198.324口，J2=238.265m，以A點(diǎn)為測站，B點(diǎn)為后視方向，按極坐標(biāo)法測設(shè)P、P二點(diǎn)，試分別計算測設(shè)數(shù)據(jù)/BP1、1 2 1DP1和/BP2、DP2。解：△xAi=x1-XA=198.324m-285.684m=-87.36m△yAi=yi-yA=86.425m-162.345m=-75.92m因?yàn)?aAi=arctan(yi-yA)/(xi-xA)=arctan(△yAi)/(△因?yàn)?xAi)=arctan((-75.92)/(-87.36))=42°59,32所以：ZBA1=aAi-aab=42°59’32〃-296°44,30〃+360°=104°15,02〃DAi=sqart((xi-xA)2+(yi-yA)2)=sqart((△xAi)2+(△yA1)2)二sqart((-75.92)2+(-87.36)2)=115.739m△xA2=x2-xA=198.324m-285.684m=-87.36m△yAi=y2-yA=138.265m-162.345m=75.92m因?yàn)椋篴A2=arctan(y2-yA)/(x2-xA)=arctan(△yA2)/(^xA2)=arctan((+75.92)/(-87.36))=325°0,28〃所以：NBA2=aA2-aab