PRINCIPLES OF HIGHWAY ENGINEERING+TRAFF
PRINCIPLES OF HIGHWAY ENGINEERING+TRAFF
7th Edition
ISBN: 9781119688372
Author: Mannering
Publisher: WILEY
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Chapter 6, Problem 4P
To determine

The level of service of the freeway.

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2. A square footing shown has a dimension of 1.5 m x 1.5 m and has its bottom 2 m below the ground surface. The groundwater table is located at a depth of 3 m below the ground surface. Assume a general shear failure. Determine the following: 2 m y = 16 kN/m³ c = 14.5 kPa → = 28° 3 m 1,5 m ysat 18.5 kN/m³ a. Ultimate bearing capacity of the soil beneath the footing (in kPa). b. Allowable bearing capacity if it has a factor of safety of 3 (in kPa). C. Allowable load that the footing could carry (in kN). d. Allowable net bearing capacity if factor of safety is 3. Allowable net load if factor of safety is 3.
Problem (11): A pipe discharges an unknown fluid into the atmosphere from a tank of depth (h) through a pipe of length (L), and diameter (d). Given the values of L [m], d [cm], and (h) [cm], calculate the discharge rate (Q) [lit/s] that would maintain Laminar flow in the pipe with a Reynolds number of Re-1500. Ignore minor losses. Givens: L = 139.364 m d = 12.614 cm h = 76.609 cm Answers: ( 1 ) 6.911 lit/s (2) 8.179 lit/s ( 3 ) 4.244 lit/s (4) 4.987 lit/s h d
B2. For the truss below, determine all member forces. Hint: see the provided slide with the problem set. P₁ = 12 kip and P2 = 6 kip (20 pts). P₁ A 16 ft D 8 ft 8 ft 8 ft B J K E 8 ft 8 ft I H G 8 ft 8 ft 8 ft B₁₂ F ΠΟΙΟΣ
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