Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 7, Problem 20P
To determine
Design single unit truck.
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Q.2 The required design span for the beam given in Q.1 is increased to 18 ft. The design loads
are the same as given in Q.1 Check the adequacy of a 10"x16" 10 Caribbean Pitch Pine –
(Select Structural) for this these design conditions.
The timber floor framing for a building comprise floor joists using 2" wide nominal lumber
is to be constructed as shown in Fig. 1. The Dead load (D) = 26 lbs./ft² (inclusive of joists
and flooring) and the live load L= 40 lbs./ft². Lateral torsional buckling is prevented for all
members and normal service conditions and temperatures are expected.
(i) Design the floor joists using 2" wide nominal lumber using Southern Pine No. 1
(ii) Design the floor beams using Caribbean Pitch Pine (Select Structural). (Assume a 8" x
14” trial section to estimate beam self-weight for your initial design). Density of
Caribbean Pitch Pine = 50 lbs/ft³ (800 kN/m³).
P12.38 WP At a point on the free surface of a stressed body, a normal stress of 64 MPa (C) and an unknown positive shear stress exist on a horizontal plane. One principal stress at the point is 8 MPa (C). The absolute maximum shear stress at the point has a
magnitude of 95 MPa. Determine the unknown stresses on the horizontal and vertical planes and the unknown principal stress at the point.
Chapter 7 Solutions
Traffic and Highway Engineering
Ch. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10P
Ch. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28P
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- A sawn timber beam of dimensions 8"x14" has is required for a span of 16 ft. The uniformly distributed loads are Dead (D) = 350 lbs./ft and live (L) = 400 lbs./ft. The dead load includes the beam self-weight and lateral torsional buckling is prevented. The beam is to be used in an indoor environment (MC > 19º) in normal temperatures. Using Caribbean Pitch Pine (Select Structural), check that the section chosen is adequate.arrow_forward2. Find the moment of inertia and radius of gyration about the coordinate axes of a thin rectangular plate of constant density bounded by the lines x=3 and y = 3 in the first quadrant.arrow_forwardVehicle begin to arrive at a parking lot at 6:00 am at a rate of 8 per minute. No vehicles arrivefrom from 6:20 to 6:30 am. From 6:30 am on vehicle arrive at a rate of 2 veh/min. The parkinglot attendant processes incoming vehicles at a rate of 4 veh/min throughout day. AssumingD/D/1 queue, determine total vehicle delayarrow_forward
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