The roof system of a building consists of 100 mm thick reinforced concrete slab (weight density= 23.6 kN/m²) resting on four steel beams (A=10,000 mm²), which are supported by two girders (A-30,000mm³). The weight density of steel is 77.3 kN/m². The girders, in turn, are supported by four columns. Determine the magnitude of the axial load acting on column A. Answer in kN rounded-off to two decimal places. Steel girder H Steel floor beam a = 6.5 meters b = 2.4 meters H- G a D F H -Steel column -100 mm thick concrete slab 3@b

The roof system of a building consists of 100 mm thick reinforced concrete slab (weight density= 23.6 kN/m²) resting on four steel beams (A=10,000 mm²), which are supported by two girders (A-30,000mm³). The weight density of steel is 77.3 kN/m². The girders, in turn, are supported by four columns. Determine the magnitude of the axial load acting on column A. Answer in kN rounded-off to two decimal places. Steel girder H Steel floor beam a = 6.5 meters b = 2.4 meters H- G a D F H -Steel column -100 mm thick concrete slab 3@b

Architectural Drafting and Design (MindTap Course List)

7th Edition

ISBN:9781285165738

Author:Alan Jefferis, David A. Madsen, David P. Madsen

Publisher:Alan Jefferis, David A. Madsen, David P. Madsen

Chapter31: Determining Beam Sizes

Section: Chapter Questions

Problem 31.2Q

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QUESTION 1 A flat roof spanning 4.25 n is to be designed using C24 timber joists at 600 mm centres as shown in Figure Qi. Loads from the proposed roof construction are: Asphalt 20 mm thick : 0.45 kN/m Insulation Roof decking boards : 0.30 kN/m Timber firrings Suspended tile ceiling : 0.15 kN/m? :0.10 kN/m :0.01 kN/m The building is at an elevation of 50 m above sea level and the roof is to be designed for a wind load of 0.6 kN/m. The height available from the supports to the underside of the decking is 150 mm, and the ends of the joist may have to be notched to fit this dimension. Assuming that the roof decking provides full lateral restraint to the joist, choose a suitable size for the joist timbers. Tasks required: (a) Loading analysis (b) Timber properties and parameters for design (c) Bending capacity check (ULS) (d) Shear capacity check (ULS) (e) Bearing capacity check (ULS) (f) Deflection limit check (SLS) 100 mm wide bearings Joists at 600 mm centres Joist span 4.25 m Figure QI
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A floor system in a small building consists of wood plans supported by 50mm (nominal width) joists spaced at a distance of 0.40 m, measured center to center. The span length of each joist is 3.2 m. The uniform load carried is 5.8 kPa which includes the weight of the floor system. (Do not consider reduction of capacity of the beam) What is the cost of timber beams in a 2 meters span of floor (hint: determine how many beams in 2 meters span), , if the price of the timber is Php 65.00 / boardft.?
Solve the following problems, Show your detailed solutions and picture of your answer sheets must be uploaded on or before the time set in the google classroom. 1. A reinforced concrete beam 400mm by 600mm is reinforced with 4-25mm ø bars placed in one layer. The steel covering up to the centroid of the steel bars is 65mm. This beam has simple span of 9m and carries three moving loads 50kN each, the middle load is 2.5m from the left load and 3m from the rightmost load. f'c= 20 MPa, fs=124MPA, n= 12, v= 0.4 MPa, u= 1.40 MPa Neglecting its own weight, a. determine the moment capacity of the beam. b. Is it safe to carry the moving loads considering moment? c. Is it safe to carry the moving loads considering shear? d. Is it safe to carry the moving loads considering bond?
PLEASE ANSWER ASAP STRUCTURAL THEORY
An eight Storey city library is proposed to be constructed in Baguio. The structure shall be a reinforced concrete building (no shear walls). The weight per floor (including 1st floor) is estimated to be 1800 KN. The roof deck weighs 1700 KN. Solve for the Base Shear, V, for the condition above using the following formulas: 1. V =ZICKSW (SEAOC CODE 1974 - 4 TH Revision) Adopted by National Structural Code of the Philippines, 3rd edition (NSCP 1987) 2. V = ZICW/Rw National Structural Code of the Philippines, 4th edition (NSCP 1992), Volume I 3. Most critical formula for V as indicated in Sec. 208.5.2 of the NSCP Vol.1 5th edition (2001). 4. Most critical formula for V as indicated in the NSCP Vol.1 6th edition (2015). 1700 KN 100 KN 32 1800 KN La Tide Toeang Warg 32 1800 KN 32 259 32 1800 KN 32 1800 KN City Cam Cena, Nagun C Bengt Nearet Active failt Trace t Fae tunao Fa Segnet Nane Tut Fat Vear Maper 2012 Ma t et 10 00 32 1800 KN 3.5 20 Floor height: 1st floor 3.5m and the rest of the…
Draw the diagram of shear forces and bending moments for the beam shown in the figure. The beam is cantilevered.
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Strength and materials
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