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 30.7Q
To determine
The size of floor joist required to support the kitchen area of
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The box beam below is constructed from four boards that are fastened together using nails spaced along the beam every 2in. If each nail can resist a shear of 50lb, determine the greatest shear V that can be applied to the beam without causing failure of the nails. Give your answer in pounds.
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Answer from: 26ft, 30ft, 36ft, 40ft
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Chapter 30 Solutions
Architectural Drafting and Design (MindTap Course List)
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- Calculate the magnitude, direction and the sense of the resultant force on the roof anchor.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 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_forwardDifferentiate between the following: Q) One way beam supported Slab & One way Joist Slab.arrow_forward
- Three 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_forwardThe interior of the big box store is framed with open web steel joists and joist girders supported on HSS (square tube) columns. A partial framing plan showing 4 bays in the building corner is shown below. (The building is 10 bays across and 8 bays deep). The columns are 24’-0” tall. The HSS 8x8x3/8 weigh 37.6 plf, the 24K10 weigh 13.1 plf, and the 36G9N10K weigh 57.0 plf. The roofing consists of open, 1-1/2” deep, Type B, galvanized, 22 gauge, acoustical perforated steel decking with fiberglass insulation that weighs 1.78 psf. (See attachment 1) Determine the total quantity of steel in the building, in tons. Determine the national average bare cost for the columns using section 05 12 23 of RSMeans Determine the national average bare cost for the joists using section 05 21 19 of RSMeans Determine the national average bare cost for the joist girders using section 05 21 23 of RSMeans. Determine the national average bare cost for the steel roof decking using section 05 31 23 of…arrow_forwardASSIGNMENT #6 CASE 2 Purlin Design The figure shown has trusses 5.5m apart with midpoint sag rods and Purlins spaced 2.5m on center. The roof truss is inclined 1 vertical to 2 horizontal. The weight of roofing materials is 0.8 kPa, wind load is 0.7 kPa perpendicular to the roof surface, minimum roof live load is 0.6 kPa. Design a channel section of steel Fy = 345 mPa, for the purlins. Use LRFD and ASD of NSCP 2015.arrow_forward
- How many IF of bar joist are there in an area measuring 100' × 100' where the joists are 30 inches on center?arrow_forward5.1Show complete solutions and appropriate free-body diagrams.|The accompanying figure shows part of a common type of roof truss, constructed mainly of timber and steel rods. Determine:a. The bearing stress between the brick wall column and the 8” x 10” timber if the load in the column is 18 kips.b. The length L required to keep the dashed portion of the 8” x 10” member from shearing off due to the horizontal thrust of 20 kips against the steel shoe. The allowable shear stress is 125 ksi.arrow_forwardWhat are the classification of reinforcement bar support? Give and describe 10 examples for each classification.arrow_forward
- Using the sketches and notes explain the two ways steel joist are usually braced against instability?arrow_forwardGerber beamarrow_forwardWhat is the maximum permissible span for a 6 inches thick one-way solid slab? k Architects' Studio Companion design aid diagrams below. The building construction is cast-in-place conventionally. reinforced concrete. STECAT CONCE ONE WAY OLDIL 200 CAST CONCE COLUMNS NORMAL RETORT www 9 feet 13 feet 16 feet 20 feet han 15 SECAST CONCRETE BEANS AND GIRDERS 42 80 KURANG DALAGAN Desarrow_forward
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