Standard precast concrete beam and girder shapes. The heavier bars near the tops of the beams are mild steel reinforcing, and the smaller strands near the bottom are high-strength prestressing. Mild steel stirrups are also shown. Stirrups usually project above the top of the beam, as shown, to bond to a sitecast concrete topping, creating composite structural action. AASHTO (American Association of State Highway and Transportation Officials) beams were designed originally as efficient shapes for bridge structures. They have also found occasional use in parking garage structures or other utilitarian RECTANGULAR L-SHAPED INVERTED TEE AASHTO BEAM building types. ВЕAM ВЕAM BEAM య

Standard precast concrete beam and girder shapes. The heavier bars near the tops of the beams are mild steel reinforcing, and the smaller strands near the bottom are high-strength prestressing. Mild steel stirrups are also shown. Stirrups usually project above the top of the beam, as shown, to bond to a sitecast concrete topping, creating composite structural action. AASHTO (American Association of State Highway and Transportation Officials) beams were designed originally as efficient shapes for bridge structures. They have also found occasional use in parking garage structures or other utilitarian RECTANGULAR L-SHAPED INVERTED TEE AASHTO BEAM building types. ВЕAM ВЕAM BEAM య

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter9: Composite Construction

Section: Chapter Questions

Problem 9.2.1P: A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The...

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A W1422 acts compositely with a 4-inch-thick floor slab whose effective width b is 90 inches. The beams are spaced at 7 feet 6 inches, and the span length is 30 feet. The superimposed loads are as follows: construction load = 20 psf, partition load = 10 psf, weight of ceiling and light fixtures = 5 psf, and live load = 60 psf, A992 steel is used, and fc=4 ksi. Determine whether the flexural strength is adequate. a. Use LRFD. b. Use ASD.
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