Just answer part (B) Problem 2 You are designing a joint region between two prec
ID: 1713784 • Letter: J
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Just answer part (B)
Problem 2 You are designing a joint region between two precast elements. The joint is located at a location where at ultimate loading the reinforcement will need to develop 50% of its yield strength. (a) What joint width would you recommend if you were told you could only use straight reinforcement? Use ACI 318 detailed equations for development length. precast element precast element joint width 8" 2" ap length 2" #5 reinforcement spaced at 6" o.c fcjotnt 8 ksi 0.75" cover (b) What are several things you could recommend to decrease the required joint width?Explanation / Answer
Joint Width can be reduced in following ways:
1.) Increase the concrete strength in the joint width. As development length and concrete strength have inverse relationship, increasing concrete strength will decrease development length.
2.) Couplers can be used to attach the rebars together. This way they need not be lapped.
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