Architectural Drafting and Design (MindTap Course List)
7th Edition
ISBN: 9781285165738
Author: Alan Jefferis, David A. Madsen, David P. Madsen
Publisher: Cengage Learning
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Chapter 30, Problem 30.11Q
To determine
The smallest floor joist size required to support the bedroom of span
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Architectural Drafting and Design (MindTap Course List)
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- Three boards, each 2 in. thick, are nailed together to form a beam that is subjected to a shear. If the allowable shearing force in each nail is 150 lbs., determine the allowable shear force if the spacing s between the nails is 3 in. 2 in. 4 in. 2 in. 2 in. 6 in.arrow_forward4. What is the total force on a damn that is an isosceles triangle with sides of 35m? The dam is holding back water. The pointy end of the triangle is at the top.arrow_forwardThree boards, each 2 in. thick, are nailed together to form a beam that is subjected to a shear.If the allowable shearing force in each nail is “198” lbs., a. Determine the Ix of the beam. b. Determine the allowable shear force if the spacing s between the nails is 3 in.arrow_forward
- What is the maximum allowable deflection for ceiling joists spanning 3.0 m and supporting a gypsum board ceiling? there are 4 choices below: 12.5 mm. 8.3 mm. 3.0 mm. 16.7 mm.arrow_forwardThree boards, each 2 in. thick, are nailed together to form a beam that is subjected to a vertical shear. Knowing that the allowable shearing force in each nail is 250 lb, determine the allowable shear if the spacing s between the nails is 3 in. find V= 2 in. 5 in. 2 in. lb 6 in. 2 in.arrow_forwardA living room measuring 7m x 4m uses 2"x2" ceiling joists The total board foot of ceiling joists that is required to cover the entire room is 176.66 bd. ft. If there are already 19 pcs. of 2"x2"x14' ceilinig joists available at the site, how many pieces more of 2"x2"x12' are needed to cover the entire ceiling joists requirement of the room?arrow_forward
- 1. Why is it that the spacing of floor joist or truss rafters need to be equal? How does it differ from wood studding? Support your answer.arrow_forwardProblem 1 Three boards, each 2 in. thick, are nailed together to form a beam that is subjected to a vertical internal shear force V. Knowing that the allowable shearing force in each nail is 150 lb, and the nail spacing (s) is 3 in., determine the largest V that can be applied. 2 in. 4 in. 2 in. 2 in. 6 in.arrow_forwardQ: Describe the following a, Girders & Joists b, Purlins & Girtsarrow_forward
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