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1、閉合導(dǎo)線坐標(biāo)計算表點號觀測角(左角)°′″改正數(shù)″改正角°′″坐標(biāo)方位角α°′″距離D∕m增量計算值改正后增量坐標(biāo)值點號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、示意圖360.35﹣0.14﹣0.030.000.00∑7200054﹣547200000輔助計算∑β測=720°00′54″—∑β理=720°00′00″fβ=﹢54″fβ容=±40″=±98″fx=∑Δx測=﹣0.14，fy=∑Δy測=﹣0.03導(dǎo)線全長閉合差fD==±0.14m導(dǎo)線全長相對閉合差K=容許的相對閉合差K容=（略）水準(zhǔn)測量成果計算表測段編號點名距離/m觀測高差/m改正數(shù)/m改正后高差/m高程/m備注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計算檢核高差閉合差：=∑h=﹣0.020m閉合差容許值：=±40mm=±24mm成果合格