A roof system consists of trusses of the type shown in the figure below, spaced at 20 feet apart. Purlins are to be placed at the joints and at the midpoint of each top chord member. Sag rods will be located midway between trusses.. The total gravity load, including an estimated purlin weight is 20psf of roof surface, with a live load to a dead load ratio of 1.0. Assuming that this is the critical loading condition, use A 36 Steel and select a channel shape for the purlins. Use

A roof system consists of trusses of the type shown in the figure below, spaced at 20 feet apart. Purlins are to be placed at the joints and at the midpoint of each top chord member. Sag rods will be located midway between trusses.. The total gravity load, including an estimated purlin weight is 20psf of roof surface, with a live load to a dead load ratio of 1.0. Assuming that this is the critical loading condition, use A 36 Steel and select a channel shape for the purlins. Use

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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A W36x210 can be used for Transfer Girder ‘A’ as shown in the elevation next page.Assume the LRFD loads on the ‘Transfer Girder’ are as follows:Pu= 200 kips from the column above. Assume also that the loads from self-weight of thewu = 2.0 kip/ft (girder self weight and beams framing into this transfer girder are equivalentto a uniformly distributed load). These loads are shown in the last figure.a) Check whether the W36x210 ‘Transfer Girder’ is adequate for bending and shear.Assume the unbraced length Lb =20 ft.b) Suppose that service loads, w and P, are both 50% dead load and 50% live load. Does theW36x210 satisfy a service live load deflection limit of L/480?
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A fully restrained beam shown, Find the deflection at midspan? 3/1 1/2 W%2 + t | Wo Wo-
Topic: BEAM BEARING PLATES AND COLUMN BASE PLATES - STEEL DESIGN
The floor structural system shown in Fig 1 comprise W-section steel beams and girders supporting a 5-inch thick concrete slab which provides full restraint to the flanges of the beams. The density of concrete is 150 lbs./ft'. and the uniformly distributed live load L- 50 lbs/ft². L-22 B. Girder G1: - B [za] 12' GI GI 12 + [ial FIG. 1-Steel Floor Beam a) Strength - Bending and Shear -I 1) Produce a sketch of the floor plan showing the tributary load distribution areas for the beams and girders [za]
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Note: ... HP12X53 Ag=15.5 in^2 rx = 5.04 in ry = 2.86 in 16' HP 12 x 53 A572 Grade 50 From Situation 1: c. Compute the Euler's Buckling load (kips) Round your answer to 3 decimal places. Add your answer From Situation 1: d. Governing Nominal Compressive strength based on AISC E3-2 or E3-3 (kips) Round your answer to 3 decimal places. Add your answer