2. Find the equivalent load produced on the concrete by the prestressing tendons. Show the...

 

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2. Find the equivalent load produced on the concrete by the prestressing tendons. • Show the equivalent loads (forces and moments) and their numerical value acting on the centerline of the concrete member (c.g.c). [i.e., Draw the free body diagram]. Show the moment diagram due to prestressing. • (Assume constant tendon forces throughout the beam - no prestress losses: e.g., no friction) (Assume no gravity loads.) (a) 2.5 (b) 2.5" (c) kh=30 in. b=12" -20% -20¹ 2.5" 2.5- P = 160 kips -40¹- 8" P = 160 kips -40- 30′ -c.g.c- 18" -c.g.c 18" 5" c.g.s T Fall 2022 T 一個 P= 135 kips cg.c 2. Find the equivalent load produced on the concrete by the prestressing tendons. • Show the equivalent loads (forces and moments) and their numerical value acting on the centerline of the concrete member (c.g.c). [i.e., Draw the free body diagram]. Show the moment diagram due to prestressing. • (Assume constant tendon forces throughout the beam - no prestress losses: e.g., no friction) (Assume no gravity loads.) (a) 2.5 (b) 2.5" (c) kh=30 in. b=12" -20% -20¹ 2.5" 2.5- P = 160 kips -40¹- 8" P = 160 kips -40- 30′ -c.g.c- 18" -c.g.c 18" 5" c.g.s T Fall 2022 T 一個 P= 135 kips cg.c

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