闭合导线坐标计算表.doc

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1、闭合导线坐标计算表点号观测角(左角)°′″改正数″改正角°′″坐标方位角α°′″距离D∕m增量计算值改正后增量坐标值点号Δx∕mΔy∕mΔx∕mΔy∕mΔx∕mΔy∕mT2-1100.00100.00109550546.17﹢245.487.95﹢145.507.95T2-21635145﹣91635154145.50107.952353465968.24﹢267.84﹣7.3967.86﹣7.38T2-3933726﹣9933735213.36100.573267243458.84﹢1﹣2.66﹣58.

2、78﹣2.65﹣58.78T2-41144402﹣91144411210.7141.794202084539.83﹢2﹣36.89﹣15.01﹣36.87﹣15.01T2-51630352﹣91630401173.8426.785185124667.65﹢3﹣67.37﹢1﹣6.15﹣67.34﹣6.14T2-6892944﹣9892953106.5020.64694423979.62﹢4﹣6.54﹢179.35﹣6.5079.36100.00100.001T2-1951217﹣9951226095505

3、示意图360.35﹣0.14﹣0.030.000.00∑7200054﹣547200000辅助计算∑β测=720°00′54″—∑β理=720°00′00″fβ=﹢54″fβ容=±40″=±98″fx=∑Δx测=﹣0.14，fy=∑Δy测=﹣0.03导线全长闭合差fD==±0.14m导线全长相对闭合差K=容许的相对闭合差K容=（略）水准测量成果计算表测段编号点名距离/m观测高差/m改正数/m改正后高差/m高程/m备注1T2-10.046﹣0.1540.003﹣0.151100.000T2-299.8492

4、0.0680.0700.0040.074T2-399.92330.0590.0180.0030.021T2-499.94440.0400.0240.0020.026T2-599.97050.068﹣0.0060.004﹣0.002T2-699.96860.0800.0280.0040.032T2-1100.000∑0.361﹣0.0200.0200.000计算检核高差闭合差：=∑h=﹣0.020m闭合差容许值：=±40mm=±24mm成果合格