Answered: . Which of the following most nearly…

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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Question

A flooring system consist of I-beam sections spaced at 3 m(center to center) and with simple spans of 6 m. The beams support a 200 mm thick slab. The flooring system is designed for a live load of 2400 N/m² as well as ceiling load of 750 N/m².
The properties of the I-beam sections are :
d = 352 mm,
weight of beam = 440 N/m,
moment of inertia , Ix = 0.0012 m⁴.
Consider Fy = 248 MPa, E = 200000 MPa and wt. of concrete of 24 kN/m³.

1. Which of the following most nearly gives the uniform pressure acting on the slab?

a. 6.2 kPa

b. 7.95 kPa

c. 5.2 kPa

d. 6.10 kPa

2. Which of the following most nearly gives the total uniform load on the beam in kN/m?

a. 19.71 kN/m

b. 17.82 kN/m

c. 24.29 kN/m

d. 28.14 kN/m

3. Which of the following most nearly gives the initial stress on the beam due to deadload only assuming no shoring during construction?

a. 12.1 MPa

b. 8.91 MPa

c. 10.4 MPa

d. 9.79 MPa

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