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Show a clear, dimensioned FBD for the 2x10 rafters. For the 2x10 rafters calculate the peak moment in units of ft. lb. For the 4x10 roof beam, assume the 4x10 roof beam is pinned to the subsequent 10ft section over each of the interior 4x4 columns. Note that you must calculate the height of the short bearing wall to account for its self weight. Calculate the peak bending moment for the 4x10 roof beam. Then draw a clear dimensioned FBD for the two exterior bearing walls above the floor joists, no moment calcs here. Draw FBD's for the simply supported 2x10 floor joists and identify the peak moments in units of ft. lb. Draw a FBD for the 6x10 floor beam assuming it is pinned to the subsequent 10ft 6x10 floor beam over the 6x6 posts. Calculate the reactions on an exterior and on a typical interior 6x6 post and calculate the typical peak bending moments in the 6x10 floor beams in units of ft. lb. Check whether or not the bearing pressure at each of the continuous concrete footings is less than or greater than the allowable pressure at 2000 psf. Calculate the actual pressure experienced.
Concrete mix with a 3 in slump, w/c ratio of .5, and sand with a fineness modulus of 2.4 contains 1700 lb of coarse aggregate. compute the required weight of the aggregate per cubic yard.
A sample of natural glacial till was taken from below the groundwater table. The water content was found to be 52%. Estimate the wet density, dry density, buoyant density, porosity, and void ratio.
Design a one way slab to support a uniform live load of 300 psf. The beam is simply supported with a span of 20 ft. Use a reinforcement ration ( Ps) of 0.008 Use f'c=3000 psi and fy=60000 psi.
Sometimes the side of concrete bridges is observed to turn black in colour. What is the reason for this phenomenon? In prestressing work, if more than one wire or strand is included in the same duct, why should all wires/strands be stressed at the sa..
water flows through a pipe of diameter 3 inches. If it is desired to use another pipe for the same flow rate such that the velocity head in the second pipe is four times the velocity of the first pipe.determine diameter of pipe
Car traveling along a circular curve that has a radius of 50m. if its speed is 16m/s and is increasing uniformly at 8 m/s^2 determine the magnitude of its acceleration at this instant.
Soil falls from a conveyor belt into a cone shaped pile at a rate of 1000lb/min. The bulk density of the soil is 110lb/ft^3. The height of the pile is equal to the base diameter
Suppose the annual traffic flow in one of these one-way streets is 100,000 vehicles and 5% of them would encounter the amber signal light. Estimate the number of accidents per year in the intersection that would be traced back to vehicles running thr..
At the proportional limit, a 32-mm-thick by 87-mm-wide bar elongates 10.2 mm under an axial load of 532 kN. The bar is 2.4 m long. Poisson%u2019s ratio, , for the material is 0.27.
It is desired to transmit 300mm^3/s of gasoline at 20 degree Celsius through a 650mm long horizontal tube with a head loss of 500mm Find the diameter of the tube to accomplish this.
Compute the required weight of coarse aggregate per cubic yard. to adjust the mix so as to increase the compressive strength, the water-to-cement ratio is reduced to 0.45. will the quantity of coarse aggregate increase, decrease, or stat the same
Write all code necessary to dynamically allocate an array of 10 double-precision, floating-point variables and then write the code that will de-allocate the memory. Add comment fields to each line of code describing what it is and does.
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