Traffic And Highway Engineering
Traffic And Highway Engineering
5th Edition
ISBN: 9781337631020
Author: Garber, Nicholas J.
Publisher: Cengage,
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Chapter 20, Problem 18P
To determine

Whether the slab thickness is adequate for the tensile stresses or not according to AASHTO.

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a) A 14-ft. tall and12-ft.-8-in. long fully grouted reinforced masonry wall is constructed of 8-in.CMU. It is to be analyzed for out-of-plane loading. Construct thenP -nM curves for the wallwith the following three vertical reinforcement scenarios: (1) 10 No. 6 bars at 16 in. spacing,(2) 10 No. 5 bars at 16 in. spacing, and (3) 7 No. 4 bars at 24 in. spacing. The steel is Grade60 with a modulus of elasticity of 29,000 ksi, and the masonry has a compressive strength of2,000 psi. You may use Excel or Matlab to construct the curves. Also, show the maximumnPallowed by the code for each case.(b) For each of the above reinforcement scenarios, determine the maximum axial loads that arepermitted for the tension-controlled condition and transition condition.(c) Discuss how the amount of vertical reinforcement affects thenPn-Mn curve.
YOU HAVE SET YOUR LEVEL UP AND ARE UTILIZING CP-101 ELEVATION FOR YOUR BENCHMARK AND HAVE THE FOLLOWING READING:CP-101=6.02YOUR FORM ELEVATION READINGS ("ATTACHED")( BEGINNING AT THE NORTHEAST BUILDING CORNER)AND WORKING IN A CLOCKWISE DIRECTION CHECKING THE BUILDING CORNER FORMSARE AS FOLLOWS: (CALCULATE THE ELEVATIONS OF 1-6 BELOW) 1. NE COR. = 1.152. SE COR. = 1.153. SW COR. = 1.354. (N) SW COR. = 1.155. INTERIOR = 1.306. NW COR. = 1.15
a) A 14-ft. tall and12-ft.-8-in. long fully grouted reinforced masonry wall is constructed of 8-in.CMU. It is to be analyzed for out-of-plane loading. Construct thenP -nM curves for the wallwith the following three vertical reinforcement scenarios: (1) 10 No. 6 bars at 16 in. spacing,(2) 10 No. 5 bars at 16 in. spacing, and (3) 7 No. 4 bars at 24 in. spacing. The steel is Grade60 with a modulus of elasticity of 29,000 ksi, and the masonry has a compressive strength of2,000 psi. You may use Excel or Matlab to construct the curves. Also, show the maximumnPallowed by the code for each case.(b) For each of the above reinforcement scenarios, determine the maximum axial loads that arepermitted for the tension-controlled condition and transition condition.(c) Discuss how the amount of vertical reinforcement affects thenPn - Mn curve.
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