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Given a reinforced concrete beam made with 3000psi concrete and grade 40 steel. The effective width is 12 inches, the beam depth is 24 inches and the reinforcement is 4#7 bars centered 2-1/2 inches from the bottom of the beam. The beam carries its own weight and a single live concentrated load of 28k at the center of a 20 foot simply supported span.a) Determine the steel ratio.b) Prove the beam is over or under reinforced based on thelimiting ? for a tension controlled beam.c) Determine the location of the neutral axis at failure(yielding).d) Find the ultimate moment capacity according to ACI 318.e) Determine the design moment (the factored moment caused by the beam loading).f) Based on your solution to (d) and (e) prove whether or not this beam expected to fail?
If the coefficient of sratic friction between the wheels at B and the ground is 0.5 determine if it is possible to pull at p=1200 lb without causing the wheels at B to slip or the front wheels of A to lift off the ground
Compare the maximum shear stress and the angle of torsion for members of equal lengths and cross-sectional areas with square, rectangular and circular section. All members are subjected to the same torque
What is the procedure standard test method for flash and fire points by cleveland open cup tester if there is animation or video is better....
If a single deposit of $15,000 is invested at 2.75% yearly interest, what equal year-end withdrawls can be made each year for 10 years, leaving nothing in the fund after the 10th withdrawl
The composite shaft is made of a steel sleeve, which is bonded to a brass core. The outer diameters of the two parts are d1 = 40 mm for the brass core and d2 = 50 mm for the steel sleeve.
A four-lane freeway (two lanes in each direction) is on mountainous terrain with 11-ft lanes, a 5-ft right-side shoulder, interchange spacing of one every 10 miles, and a 60-mi/h base free-flow speed.
The slope of the channel So=.15% and the Manning n=.038. Estimate the depth y2=100m upstream of a section where the flow depth y1=2.2m Using a) the direct integration method and b) the standard step method.
A rectangular plate 5ft by 4ft is at an angle of 30 degrees with the horizontal, and the 5-ft side is horizontal. Find the magnitude of the force on one side of the plate and the depth of its center of pressure when the top edge is (a) at the wate..
Did the moslem caliphates contribute to the fall of rome? if so how?
A container containing saturated soils weighs 113.27 g before being placed in an oven and 100.06 g after drying remains in the same container overnight. The empty container weighs 49.31 g and relative density of the grains is 2.80.
A 440 -V shunt motor has armature resistance of 0.8 ohm and field resistance of 200 ohm . determine the back emf when giving an output of 7.64 KW at 85% efficiency
The New Jersey Surety Association, in various documented publications discusses the Surety's relationship with their clients, the best ways to better know your Surety and a brief overview of why the Construction Business can fail.
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