18春江蘇開(kāi)放大學(xué)建筑測(cè)量行考作業(yè)三答案

江蘇開(kāi)放大學(xué)形成性考核作業(yè)學(xué)號(hào)： 姓名： 課程代碼: 110013課程名稱(chēng)：建筑測(cè)量（專(zhuān)）評(píng)閱教師： 第3次任務(wù)共4次任務(wù)作業(yè)為3、控制測(cè)量，地形圖的測(cè)繪與應(yīng)用，建筑施

工測(cè)量計(jì)算題1.附合導(dǎo)線（如圖所示）已知數(shù)據(jù)和觀測(cè)數(shù)據(jù)已列入表內(nèi)，試填表計(jì)算未知導(dǎo)線點(diǎn)的坐標(biāo)。導(dǎo)線測(cè)量計(jì)算表點(diǎn)觀測(cè)角O’改正后觀測(cè)角?！轿唤莂?！嚯xD縱坐標(biāo)增量Ax'/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(jì)算fp=a-a+zp±n-180。=f=±60"、''n=，p允f=xf=yfD=±"：+f=fK=fK=允20001第2題附圖

解答:點(diǎn)號(hào)觀測(cè)角Po’”改正后觀測(cè)角?！狈轿唤莂。’”距離D/m縱坐標(biāo)增量Ax，/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(jì)算fp=a —a +Zp±n-180。=46”于p允=±60"'n=134”fx=-24f>=52fD=士"f2+f2=0.057“fK=、%=1/11274乙DK=允2000J1第2題附圖

2.完成下表四等水準(zhǔn)測(cè)量的各項(xiàng)計(jì)算。四等水準(zhǔn)測(cè)量手簿測(cè)站編號(hào)占八、、號(hào)后尺下上前尺下上方向及尺號(hào)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(jì)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+0.85854

38.638.4后-刖+0.858+0.959一1+0.20校核Z(9)=197.2Z⑶=6.188Z⑻=25.135Z(6)=5.009Z(7)=23.960Z(16)=1.179Z(17)=1.1752[Z(16)+Z(17)±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(cè)設(shè)的B點(diǎn)設(shè)計(jì)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(wèn)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(jì)高程？答：b應(yīng)=(HA+a)-H設(shè)=24.678+1.422-24.800=1.3m.測(cè)設(shè)水平角^AOB后，用經(jīng)緯儀精確測(cè)其角值為90。00'48〃，已知OB長(zhǎng)為120m，問(wèn)B點(diǎn)在垂直于OB方向上應(yīng)向內(nèi)或向外移動(dòng)多少距離，才能使ZAOB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.已知A點(diǎn)坐標(biāo)*=285.684m,yJ162.345m,A?B的方位角aj29644’3。〃，又知P、尸2二點(diǎn)的設(shè)計(jì)坐標(biāo)分別為x」198.324口，『6.425…之=9?.J2=238.265m，以A點(diǎn)為測(cè)站，B點(diǎn)為后視方向，按極坐標(biāo)法測(cè)設(shè)p、仆二點(diǎn)，試分別計(jì)算測(cè)設(shè)數(shù)據(jù)/BP1、Dp押/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)/(△xAi)=arctan((-75.92)/(-87.36))=42°59,32因?yàn)?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：NBA