地鐵行業(yè)知識(shí)培訓(xùn)

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力信測(cè)量（上海）有限公司

兩井定向內(nèi)容回顧一井定向連接三角形示意圖ABCDEA′B′C′D′E′一井定向

占用井筒時(shí)間長(zhǎng)，影響正常作業(yè)垂線距離近，投向誤差大兩井定向＞30m

知識(shí)引入4123布設(shè)地面、井下連接導(dǎo)線投點(diǎn)內(nèi)業(yè)計(jì)算及精度分析地面、井下連接導(dǎo)線測(cè)量（重點(diǎn)、難點(diǎn)）內(nèi)容安排知識(shí)引入MN九號(hào)井新三井淮南某礦區(qū)兩井定向已知數(shù)據(jù)：任務(wù)實(shí)施導(dǎo)線測(cè)量

投點(diǎn)12345ⅢAMNⅡⅠB布設(shè)導(dǎo)線A′B′測(cè)角+量邊九號(hào)井新三井1.傳遞點(diǎn)不多于3個(gè)。2.導(dǎo)線盡可能沿兩井連線方向布設(shè)，并最短。3.檢查：鋼絲自由懸掛，重錘未觸筒底。4.地面按一級(jí)/二級(jí)；井下按二級(jí)/三級(jí)。任務(wù)實(shí)施（重難點(diǎn)講解）

地面導(dǎo)線

角號(hào)水平角

°′″

地面導(dǎo)線

邊號(hào)水平距離

/mMN3522120.4M-Ⅰ79.9566ⅠⅠM1412853.0Ⅰ-Ⅱ75.9181ⅡⅡⅠ1744734.0Ⅱ-Ⅲ63.0406ⅢⅡⅠ2431822.4Ⅱ-A9.1360AⅢⅡ2595413.6Ⅲ-B25.5264B

地下導(dǎo)線

角號(hào)水平角

°′″

邊號(hào)水平距離

/m1A′862820.2A′-115.931221-237.9229211550855.232-313.8807321160835.543-417.2131433281134.354-519.6327542013156.9B′5-B′13.7574表4-2地下導(dǎo)線測(cè)量成果（第1次）表4-3地下導(dǎo)線測(cè)量成果（第2次）

地下導(dǎo)線

角號(hào)水平角

°′″

邊號(hào)水平距離

/m1A′863313.0A′-115.928621-237.9229211550855.232-313.8807321160835.543-417.2131433281134.354-519.6327542012944.9B′5-B′13.7594淮南某礦區(qū)兩井定向已知數(shù)據(jù)：表4-1地面導(dǎo)線測(cè)量成果任務(wù)實(shí)施表4-4兩井定向地面連接導(dǎo)線坐標(biāo)計(jì)算點(diǎn)號(hào)水平角

°′″方位角

°′″水平距離/m坐標(biāo)增量坐標(biāo)點(diǎn)號(hào)測(cè)站視準(zhǔn)點(diǎn)△x△yxyNM

3471529.5

610091.024507901.396MMN3522120.41593649.979.9566-74.948627.8525610010.75507929.2485ⅠⅠⅠM1412853.01210542.975.9181-39.208865.0094609976.8666507994.2579ⅡⅡⅡⅠ2431822.41842405.39.1360-9.1090-0.7011609967.7575507993.5568AAⅠⅡ

1210542.9

609976.8666507994.2579ⅡⅡⅠ1744734.01155316.963.0406-27.524456.7144609949.3422508050.9723ⅢⅢⅢB2595413.6195473.0525.5264-24.5630-6.9468609924.7792508044.0255B起算數(shù)據(jù)2.坐標(biāo)正算3.坐標(biāo)反算1.方位角推算

筆記任務(wù)實(shí)施ⅢMNⅡⅠABA′12345B′無(wú)定向?qū)Ь€筆記情況2：從一個(gè)已知點(diǎn)出發(fā)，另端也是一個(gè)已知點(diǎn)。情況1：從一條已知邊出發(fā)，閉合到另個(gè)已知點(diǎn)上?！荒苓M(jìn)行方向檢核任務(wù)實(shí)施表4-5按假定坐標(biāo)系統(tǒng)進(jìn)行井下連接導(dǎo)線的坐標(biāo)計(jì)算點(diǎn)號(hào)水平角

°′″方位角

°′″水平距離/m坐標(biāo)增量坐標(biāo)點(diǎn)號(hào)測(cè)站視準(zhǔn)點(diǎn)△x△yxyA′1

0000015.931215.9312000A′+15.9312011A′862820.22662820.237.9229-2.3335-37.8510+13.5977-37.851022211550855.22413715.413.8807-6.5975-12.2126+7.0002-50.063633321160835.51774550.917.2131-17.2000+0.6715-10.1998-49.392144433281134.33255725.219.632716.2680-10.9907+6.0682-60.382855542013156.93472922.113.757413.4307-2.9801+19.4989-63.3629B′B′3.坐標(biāo)反算

筆記2.坐標(biāo)正算

1.方位角推算

任務(wù)實(shí)施筆記ⅢMNⅡⅠABA′12345B′任務(wù)實(shí)施表4-5按假定坐標(biāo)系統(tǒng)進(jìn)行井下連接導(dǎo)線的坐標(biāo)計(jì)算點(diǎn)號(hào)水平角

°′″方位角

°′″水平距離/m坐標(biāo)增量坐標(biāo)點(diǎn)號(hào)測(cè)站視準(zhǔn)點(diǎn)△x△yxyA′1

0000015.931215.9312000A′+15.9312011A′862820.22662820.237.9229-2.3335-37.8510+13.5977-37.851022211550855.22413715.413.8807-6.5975-12.2126+7.0002-50.063633321160835.51774550.917.2131-17.2000+0.6715-10.1998-49.392144433281134.33255725.219.632716.2680-10.9907+6.0682-60.382855542013156.93472922.113.757413.4307-2.9801+19.4989-63.3629B′B′+203°18′44.2″+203°18′44.2″+203°18′44.2″+203°18′44.2″+203°18′44.2″+203°18′44.2表4-6按地面坐標(biāo)系統(tǒng)進(jìn)行井下連接導(dǎo)線的坐標(biāo)計(jì)算點(diǎn)號(hào)水平角

°′″方位角

°′″水平距離/m坐標(biāo)增量坐標(biāo)點(diǎn)號(hào)測(cè)站視準(zhǔn)點(diǎn)△x△yxyA′1

2031844.215.9312+6-7609967.7575507993.5568A′-14.6306-6.3046609953.1275507987.251511A′862820.21094704.437.9229+12-15609940.2924508022.934422-12.836335.6844211550855.2845559.613.8807+5-6609941.5188508036.760333+1.2259+13.8265321160835.5210435.117.2131+6-7609957.5810508042.949744+16.0616+6.1901433281134.33281134.319.6327+7-8609938.2923508046.604455-19.2894+3.6555542013156.92013156.913.7574+5-6609924.7729508044.0255B′B′-13.5136-2.5793

-42.9824+50.4736

筆記任務(wù)實(shí)施（精度分析）表4-3地下導(dǎo)線測(cè)量成果（第2次）

地下導(dǎo)線

角號(hào)水平角

°′″

邊號(hào)水平距離

/m1A′863313.0A′-115.928621-237.9229211550855.232-313.8807321160835.543-417.2131433281134.354-519.6327542012944.9B′5-B′13.7594表4-7第二次井下測(cè)量及計(jì)算成果點(diǎn)號(hào)水平角

°′″方位角

°′″水平距離/m坐標(biāo)點(diǎn)號(hào)測(cè)站視準(zhǔn)點(diǎn)xyA′1

2031856.015.9286609967.7654507993.5361A′953.1289987.252311A′863313.01094709.037.9229940.2929508022.935122211550855.2845604.213.8807941.5190036.761133321160835.5210439.717.2131957.5809042.950944433281134.31691614.019.6327938.2920046.605355542012944.91904558.913.7594609924.7752508044.0345B′B′第一次計(jì)算坐標(biāo)點(diǎn)號(hào)xy609967.7575507993.5568A1609953.1275507987.25151609940.2924508022.93442609941.5188508036.76033609957.5810508042.94974609938.2923508046.60445609924.7729508044.0255B1表4-8兩井定向井下導(dǎo)線的最終值

點(diǎn)號(hào)水平角

°′″方位角

°′″水平距離/m坐標(biāo)點(diǎn)號(hào)測(cè)站視準(zhǔn)點(diǎn)xy12

109470737.923609953.128507987.2521609940.293508022.9352211550855.284560213.881609941.519508036.76133321160835.521043717.213609957.581508042.950444332811