Fundamentals of Surveying, Assignments of Engineering

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PRELIM COMBINED CORRECTIONS PROBLEM. A 5O-m steel tape standordized ot 20°C ond supported toroudh- out uvdty a tension of 4-07 ka was fond to kt 50-0Bm toe long and Was a cocficient of Yhormal expansion qual fo .0000116 /°C | Modur lus of elashcthy of steel UC 2 00800 ka, py squat om. The tape had a wag Stcional ota of 50.32 Syuart mm and a wught of 0.0895 ka/m, Tris tog, 6 ustd fo lay ont a horontal distonce XY of exactly 18m. Ye ground Ys on @ gmooth T% gad’, Hus, tre tage will be weed full Supported. Determine Hat comect dopt distana +o logout Fa pl of ‘eo, we used and tre tomperodue if 26.U°C- Solve We Following * A. Me tage VengHa conection b. “ne temperatuy Cowection & The pull contchon d Coreceh Worizortal distance 7e loupvt e. Concha slope distavice GOLUTIONS » @) Tope \engt correction | Corr GIVEN | JL, actual length of jape * 5O.0\5in NL, nominal ar standard teagin of tape = Sm SOLUTION + cor * TL ~ NL = §0.015m - 60m cory = 0.018m (+00 tong) ©) Tompetwe conection, Cy GWEN + OX = O.c000L /°C Ty. = 20°C Ter WG UC L = gom SOLUTION: Cy = ACR-TAL = O.crmttl £27 (25.6 2k - 20°27) BOM Cy = O-CO0N (5.6)50m = 0.00325 m C) Pu comtction , Cy GINEN * 4 . R= Lesbim : ont \ a R= a. = 2 900 20 keen A 9. bape (ho O-DPoRem SOLUTION: Cp = LPL 2 {hg - 2h) Sem ° KE 0 OT gt (2020080 '9/ Wt) Cp = —0.000I0bm