A floor is supported by 100 mm x 200 mm woodenjoists spaced at 300mm on centers with an effectivespan of 3m. The total floor load transmitted to thejoists is 2.5kPa. If the unit weight of wood is 7 kN/m³and elastic modulus of wood is 12x103 MPa.(a) Determine the maximum bending stress (fp).(b) Determine the maximum shearing stress (fy).(c) Determine the maximum deflection (8maximum).

Given:- wooden joists-100mm x200mm spaced =300mmm on centers effective span=3m total floor load…

Answered: A floor is supported by 100 mm x 200 mm…

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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SITUATION A: The floor system shown has the following applied loads. Super Imposed Dead Load = 2.00 kPa Live Load = 1.90 kPa Slab Thickness = 100.00 mm Weight of Concrete = 24 kN/m3 Self-Weight of the beam = 1.92 kN/m Material Specifications: f’c = 21.00 MPa fy = 345.00 MPa Steel Cover = 50.00 mm What is the maximum positive moment of beam BE, acting on the midspan? in kN-m What is the maximum steel ratio of the section located at the supports? What is the actual steel ratio of the beam section at the supports? What is the ultimate moment capacity of the beam at the supports? in kN-m What is the effective flange width at the midspan? in mm What is the height of the compression block of the section at midspan? in mm What is the ultimate moment capacity of the beam at the midspan? in kN-m What would be the height of the CHB that can be placed on beam BE? Assuming the weight of the blocks is 2.30 kN/m per meter height? in meters
using the table below, answer the question
A simply supported wood beam of length L = 8 ft carries a concentrated load P at midspan, as shown. The cross- sectional dimensions of the beam are b = 7 in. and h = 13 in. If the allowable shear strength of the wood is 130 psi, determine the maximum load P that may be applied at midspan. Neglect the effects of the beam's self-weight. 12 Answer: P = IM P B 7/2 C X lb N b h
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(a) Draw the shear and bending-moment diagrams for the beam and loading shown below. 48 kips 48 kips 48 kips B A E -6 ft- 2 ft' 2 ft 2 ft (b)If the cross-section of the beam is as shown below, determine the maximum tensile and compressive stresses. 8 in. 1 in. 1 in.- 6 in. 1 in. 4 in.

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A floor is supported by 100 mm x 200 mm wooden joists spaced at 300mm on centers with an effective span of 3m. The total floor load transmitted to the joists is 2.5kPa. If the unit weight of wood is 7 kN/m3 and elastic modulus of wood is 12x103 MPa.