Exam 2 Solutions - Building Structures | ARCH 4075, Exams of Structures and Materials

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Building Structures 1 Test No. 2 April 11, 2005 NAME: ID No: Notes: 1. Write and sign “I have neither given nor received unauthorized assistance on this test”. 2. Do not separate the exam sheets and use them to answer the questions, Figures below show the typical framing plan of an office building. The floor is made of steel deck with an average of 5" concrete slab, Weight of partitions and ceiling is 15 psf. Consider 5 psf for the weight of beams and girders. The floor live load is 80 psf. Unit weight of concrete is 150 pcf, and the modulus of elasticity of steel is 29,000 ksi. Answer the following problems: Problem One (50 pts.) Design beam (B-1) using A36 steel. Check shear and deflection if the allowable live load deflection is span/360. INCLUDE LIVE LOAD REDUCTION! Problem Two (50 pts.) Design girder (G-1) using A36 steel. Check for shear and deflection if the allowable total load deflection is span/240. INCLUDE LIVE LOAD REDUCTION! pra hy—_44-)) ba vg A a“ “A ra “ 1 ~ 4 7 7 7 ‘ 7 Vay Jem i> J yar a7 a 7a 7s (4-1) BA A Lt [ AER, SPACED TrP ican Foaming Feat Concug re SLAB METAL peck 7 a a“ ra " - fm (B-) Gl E— ay ™ rte ES bag fase | Aout Gees | Seenol A-A