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时间:2020-09-05
《附合导线平差算例.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、附合导线平差计算表工程名称:深圳市龙岗A区管道工程施工单位:深圳市第一建筑工程有限公司共一页已知点XY起始边与终止边方位角计算: I11826502.56166384.019tgαI118A22=(yA22-yI118)/(xA22-xI118)=-162.567/(-215.395)=0.A2226287.16666221.452tgαA32A33=(yA33-yA32)/(xA33-xA32)=-86.702/249.601=-0. A3226152.34164834.466αI118A22=217.04328=21
2、7°2′36″ A3326401.94264747.764αA32A33=340.84472=340°50′41″ 点号观测角β(左角)°改正数°改正后角值β°方位角α°边长D(m)纵坐标增量△x(m)纵坐标x(m)横坐标增量△y(m)B10B11B12横坐标y(m)点号计算值改正数改正后值计算值改正数改正后值I118 I118217.043 A22261.6558-0.0003261.655626287.16666221.452A22298.699147.97871.0600.000
3、71.060-129.800-0.004-129.804A23176.08360.000176.083626358.22666091.648A23294.782223.65293.7490.00993.758-203.055-0.006-203.061A24163.82690.000163.826926451.98465888.588A24278.609158.64423.7490.00723.755-156.856-0.004-156.860A25154.55500.000154.555026475.74065731.7
4、27A25253.164145.293-42.0810.006-42.075-139.066-0.004-139.069A26176.98000.000176.980026433.66565592.658A26250.144177.835-60.4020.007-60.394-167.263-0.005-167.268A28180.31080.000180.310826373.27065425.390A28250.455227.257-76.0270.009-76.018-214.163-0.006-214.168A291
5、79.26690.000179.266926297.25365211.222A29249.722163.456-56.6490.007-56.643-153.326-0.004-153.330A31178.7164-0.0003178.716126240.61065057.892A31248.438240.231-88.2860.010-88.276-223.420-0.006-223.426A32272.4064-0.0003272.406126152.33464834.466A32340.844 A33
6、 A33 Σ1743.802-0.0008 1484.346-134.8870.056-134.832 -1386.948-0.038-1386.986 辅Σβ左=1743.=1743°48′07″ΣD=1484.346Σ△x=-134.887Σ△y=-1386.948 助计算fβ=1743°48′07″-9*180°+217°2′36″-340°50′41″=0.00083°=3″fx=Σ△x-(xA32-xA22)=-134.887-(-134.825)=-0.062fβ容=±10″√n=±10″
7、√9=±30″fy=Σ△y-(yA32-YA22)=-1386.948-(-1386.986)=0.038fβ<fβ容改正数Vβ=-(-0.0008°/9)=-0.00009°=-0.33″fD=√fx2+fy2=0.073K=0.073/1484.346≈1/20412<1/15000略图B10B11B12 测量:计算:复核:日期:2008年3月15日
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