NEED HELP ASAP!!A floor system in a small building consists of wood planks supported by 2 in. (nominal width) joists spaced at distance s, measured from center to center (see the figure). The span length L of each joist is 10.5 ft, the spacing s of the joists is 15 in., and the allowable bending stress in the wood is 1,350 psi. The uniform floor load is 90 lb/ft^2, which includes an allowance for the weight of the floor system itself.(a) Calculate the required section modulus S for the joists. (b) Select a suitable joist size (surfaced lumber) from Appendix G, assuming that each joist may be represented as a simple beam carrying a uniform load.A. 2x4 in.^B. 2x6C. 2x8D. 2x10E. 2x12Select a suitable joist size (c) What is the maximum floor load that can be applied to your final beam selection in part (a)? A floor system in a small building consists of wood planks supported by 2 in. (nominal width) joists spaced at distance s, measured fromcenter to center (see the figure). The span length L of each joist is 10.5 ft, the spacing s of the joists is 15 in., and the allowable bending stressin the wood is 1,350 psi. The uniform floor load is 90 lb/ ft, which includes an allowance for the weight of the floor system itself.PlanksJoists(a) Calculate the required section modulus S for the joists.in.3|(b) Select a suitable joist size (surfaced lumber) from Appendix G, assuming that each joist may be represented as a simple beam carrying auniform load.A. 2x4 in.?B. 2x6 in.?C. 2x8 in.?D. 2x10 in.?E. 2x12 in.?Select a suitable joist size-Select-(C) What is the maximum floor load that can be applied to your final beam selection in part (a)?lbWmax =ft2

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Answered: A floor system in a small building…

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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NEED HELP ASAP!!

A floor system in a small building consists of wood planks supported by 2 in. (nominal width) joists spaced at distance s, measured from center to center (see the figure). The span length L of each joist is 10.5 ft, the spacing s of the joists is 15 in., and the allowable bending stress in the wood is 1,350 psi. The uniform floor load is 90 lb/ft^2, which includes an allowance for the weight of the floor system itself.

(a) Calculate the required section modulus S for the joists.

(b) Select a suitable joist size (surfaced lumber) from Appendix G, assuming that each joist may be represented as a simple beam carrying a uniform load.

A. 2x4 in.^

B. 2x6

C. 2x8

D. 2x10

E. 2x12

Select a suitable joist size

A floor system in a small building consists of wood planks supported by 2 in. (nominal width) joists spaced at distance s, measured from
center to center (see the figure). The span length L of each joist is 10.5 ft, the spacing s of the joists is 15 in., and the allowable bending stress
in the wood is 1,350 psi. The uniform floor load is 90 lb/ ft, which includes an allowance for the weight of the floor system itself.
Planks
Joists
(a) Calculate the required section modulus S for the joists.
in.3
|(b) Select a suitable joist size (surfaced lumber) from Appendix G, assuming that each joist may be represented as a simple beam carrying a
uniform load.
A. 2x4 in.?
B. 2x6 in.?
C. 2x8 in.?
D. 2x10 in.?
E. 2x12 in.?
Select a suitable joist size
-Select-
(C) What is the maximum floor load that can be applied to your final beam selection in part (a)?
lb
Wmax =
ft2

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