A beam cross-section is limited to the size shown. Determine the required area of reinforcement for service load moments Mp = 400 ft-kips and ML = 250 ft-kips. Check crack control requirements f' = 4000 psi (normalweight) f = 60,000 psi d'=2.5" b = 12" A's d₂= 32"

A beam cross-section is limited to the size shown. Determine the required area of reinforcement for service load moments Mp = 400 ft-kips and ML = 250 ft-kips. Check crack control requirements f' = 4000 psi (normalweight) f = 60,000 psi d'=2.5" b = 12" A's d₂= 32"

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

A beam cross-section is limited to the size shown. Determine the required
area of reinforcement for service load moments Mp = 400 ft-kips and
ML = 250 ft-kips. Check crack control requirements
f = 4000 psi (normalweight)
f, = 60,000 psi
d' = 2.5"
b= 12"
A's
d₁=
32"

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