Lab4sol - UNIVERSITYOFCALIFORNIA,BERKELEY

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UNIVERSITY OF CALIFORNIA, BERKELEY Instructor: Khalid M. Mosalam Department of Civil and Environmental Engineering CE123: Design of RC Structures Structural Engineering, Mechanics and Material (SEMM) Spring Semester, 2009 CEE 123 Laboratory Project No. 4 (Solution) Problem 1.3 Given: A s = 8*1.27 = 10.12in 2 (Table A.1) A c = (12*12)-10.12 = 474in 2 f y = 60,000psi f c = 4000psi n = E s /E c = 8 ε c = ε s f c (psi) from Fig. 1.16 P c (Kips) f s (psi) from Fig. 1.16 P s (Kips) P Total (Kips) P c /P Total (%) P s /P Total (%) 0 0 0 0 0 0 85.00% 15.00% 0.0005 1600 758.4 15000 151.8 910.2 83.32% 16.68% 0.001 2600 1232.4 30000 303.6 1536 80.23% 19.77% 0.0015 3100 1469.4 45000 455.4 1924.8 76.34% 23.66% 0.002 3300 1564.2 57000 576.84 2141.04 73.06% 26.94% 0.0025 3400 1611.6 60000 607.2 2218.8 72.63% 27.37% 0.003 3400 1611.6 60000 607.2 2218.8 72.63% 27.37% 72.63% 72.63% 73.06% 76.34% 80.23% 83.32% 85.00% 0.00% 25.00% 50.00% 75.00% 100.00% 0 0.0005 0.001 0.0015 0.002 0.0025 0.003 Strain Steel Contribution Concrete Contribution
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UNIVERSITY OF CALIFORNIA, BERKELEY Instructor: Khalid M. Mosalam Department of Civil and Environmental Engineering
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This note was uploaded on 02/27/2011 for the course CE 123 taught by Professor Mosalam during the Spring '09 term at University of California, Berkeley.

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Lab4sol - UNIVERSITYOFCALIFORNIA,BERKELEY

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