HW1Solutions-2007 in CE130

# HW1Solutions-2007 in CE130 - H = hi = 5.08 ft HR =5.08 ft 2...

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Assignment # 1 - Solutions P. 2-3: a) 23.92 x 66 = 1578.72 ft x 0.3048 = 481.19 m b) 48.71 x 66 = 3214.86 ft x 0.3048 = 979.89 m c) 12.22 x 66 = 806.52 ft x 0.3048 = 245.83 m d) 08.31 x 66 = 548.46 ft x 0.3048 = 167.17 m P. 2-4 Clearance = 61.5 ft + 4.3 ft = 65.8 ft 4.3 ft 61.5 ft 45 o

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P. 2-5 Distance = 42 – 0.33 = 41.67 ft P. 2-6, Distance = 47 + 0.62 = 47.62 ft P. 2-7 H = 22.745xcos(1 o 42’) = 22.735 m P. 2-8 H = sqrt(73.79 2 – 8.45 2 ) = 73.30 ft 1 o 42’ 22.745 m H = ? 73.79 ft H = ? 8.45 ft Assignment # 1
Assignment # 1 P. 2-9 tan α = 2/100 α = tan -1 (0.02) = 1.1457628 o H = S * cos( α ) = 162.102*cos(1.1457628 o ) H = 162.069 ft g = 2%, S = 162.102 ft H = ? α

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Assignment # 1 P. 2-10: Prism constant = EG – EF – FG = 566.71 – 238.778 – 327.963 = -0.031
Assignment # 1 P. 2-11 S = 3,964.37 ft

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Unformatted text preview: H = ? hi = 5.08 ft HR =5.08 ft 2 o 45’30” Elev. A= 285.69 ft Elev. B = ? V H = 3,964*cos(2 o 45’30”) = 3,959.78 ft V = 3,964.37*sin(2 o 45’30”) = 190.78 ft Elev. B = Elev. A + V + hi – HR = 285.69 + 190.78 + 5.08 – 5.08 = 476.47 ft P. 2-12 S = 1458.777 m B 91 o 26’50” d d α Elev. B = ? Elev. A = 211.841 m V1 H1 = ? S = 1458.757 m B 88 o 33’22” d d α Elev. B = ? Elev. A = 211.841 m V2 H2 = ? α = 1 o 26’50” H1 = S*cos( α ) = 1,458.312 m V1 = S*sin( α ) = 36.843 m α = 1 o 26’38” H2 = S*cos( α ) = 1,458.294 m V2 = S*sin( α ) = 36.758 m a) H = (H1 + H2)/2 = 1,458.303 m b) Elev. B = Elev. A - V = 175.041 m where V = (V1 + V2)/2 = 36.801m...
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HW1Solutions-2007 in CE130 - H = hi = 5.08 ft HR =5.08 ft 2...

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