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Figure P17-5 shows the dapped support region of a simple beam. The factored vertical reaction is 100 kips, and you should include a factored horizontal reaction of 20 kips at same location. Use normal-weight concrete with f'c = 5000 psi, and reinforcement with fy = 60,000 psi (weldable). The beam is 16 in. wide.
(a) Define the D-region in the beam.
(b) Draw a strut-and-tie model for the D-region defined in part(a).
(c) For your model in part (b), check the strength of nodes and struts, and design reinforcement of each tie and inclined strut.
A 50-mm-diameter solid steel shaft is subjected to an axial compressive load of 225 kN and a torque (twisting moment) of 3400 N⋅m.- Calculate the principal stresses and the maximum shear stress on an element on the surface of the shaft.
a mass of 3 kilograms of steam at 2 mpa and 250degc are contained in a rigid tank. how much heat must be removed from
you are an industrial hygienist for a large distributor of industrial compressed gases who was evacuated to baton rouge
Determine the moment of inertia Ix of a triangle of base b and altitude h with respect to its base (see Case 4, Appendix D).
a 3 m x 3 m x 2.4 m room losses heat through the walls at a rate of 520 w. determine the final temperature of the room
1 kg water in a piston cylinder device is initially at 250 degrees C and 300kpa (state 1) a total of 700 kj of work is done on the water in order to isothermally reduce its volume to 1/20 of its initial volume (state 2) determine the magnitude and th..
Determine the tube length L that meets a design requirement that the tube be twice as long as the thermal entrance length associated with the high- est Reynolds number of interest. Evaluate water properties at 305 K.
A piston-cylinder device contains 1.101 kg of nitrogen gas at 120 kPa and 27 degrees C. The gas is now compressed slowly in a poly tropic process which PV^(1.38) = constant. The process ends when the volume is reduced by one-half. Determine the entro..
1. The activation energy for the diffusion of cop- per in silver is 193,000 J/mol. Calculate the diffusion coefficient at 1200 K (927°C), given that D at 1000 K (727°C) is 1.0 X 10-14 m2/s.
Your Company is interested in the Pb-Sn alloy system as a possible solder material. Determine the cooling curve for the 90 Sn-10 Pb alloy.
Evaluate the integral obtained in Part (a) using computer software such as Mathematica, Maple, etc. Express your answer in terms of the mass m of the object.
Two-tenths of a pound of air at 2 atm and 540 degrees R is trapped within a syringe by a plunger at one end and a stopcock at the other, a shown in Fig. P4.103. The stopcock is opened and the plunger moved to inject the trapped air into a container t..
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