nowing the steel réihforċ with uniformly distribute load, Fo. If the permane buted live load, Fa, which oncrete cover at the top

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Figure TQ.4a shows the elevation
the cross-section showing the steel reinforcement at its support (Fig. TQ.4b).
The beam is loaded with uniformly distributed permanent load (including self
weight), F6, and live load, Fo. If the permanent load, Fe, is 20 kN/m, calculate
the uniformly distributed live load, Fo, which the beam can carry safely.
Consider that the concrete cover at the top and the bottom is 30 mm.
a reinforced concrete cantilever beam and
[Hints: (i) Calculate the design moment capacity (+M,) of the cantilever beam
(ii) Calculate applied bending moment (M*) due to factored loads (iii) compare
þM, with M* to calculate safe uniformly distributed live load, Folmmm
5-N24
Data: Compressive strength of concrete, f'. = 40 MPa
Yield strength of steel reinforcement, fy = 500 MPa N12 Stirup
Modulus of elasticity of steel reinforcement E,= 200 GPA
%3D
150 mm
450 mm
2-N24
TQ.4b. cross-section with reinforcement
details at support (section A-A)
4 m
50
TQ.4a. Elevation of the beam
Transcribed Image Text:Figure TQ.4a shows the elevation the cross-section showing the steel reinforcement at its support (Fig. TQ.4b). The beam is loaded with uniformly distributed permanent load (including self weight), F6, and live load, Fo. If the permanent load, Fe, is 20 kN/m, calculate the uniformly distributed live load, Fo, which the beam can carry safely. Consider that the concrete cover at the top and the bottom is 30 mm. a reinforced concrete cantilever beam and [Hints: (i) Calculate the design moment capacity (+M,) of the cantilever beam (ii) Calculate applied bending moment (M*) due to factored loads (iii) compare þM, with M* to calculate safe uniformly distributed live load, Folmmm 5-N24 Data: Compressive strength of concrete, f'. = 40 MPa Yield strength of steel reinforcement, fy = 500 MPa N12 Stirup Modulus of elasticity of steel reinforcement E,= 200 GPA %3D 150 mm 450 mm 2-N24 TQ.4b. cross-section with reinforcement details at support (section A-A) 4 m 50 TQ.4a. Elevation of the beam
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