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A simply supported beam with a span of 8m is to carry, in addition to its weight, a superimposed dead load of 18kN/m and a live load of 30kN/m both over the entire span.
The beam has a rectangular section which is to be singly reinforced. Given pt=1.1% design and detail the steel reinforcement for the section where the moment is maximum
Take R=d/b=1.5, density =24kN/m3, fc=20Mpa and use N36 bars only. Exposure Classification A1 applies. use R10 bars only for closed ties maximum aggregate size=10mm
For a steel stack that exhaust 1200 m^3/min of gases at 1atm and 400 K, calculate the inner diameter if you are designing for a maximum expected wind speed at the stack of 12m/s.
If 500 mL of benzene is spilled in a sealed room (64m^3), and it completely evaporates, what mass of GAC filters (Cmax = 80 mg benzene/1 g GAC) will be required to reach the permissible exposure limit for benzene
The proposed highway has two tangents of bearings N 45Degrees 54' 36" E and N 1 Degree 22' 30" W. The highway design engineer, attempting to obtain the best fit for the simple circular curve join these tangents, decides that the external is to be ..
The design engineer desires a soil with a high clay content because it will help keep water out of the landfill. Which of the available soils appears to be most promising? Why?
The pesticide methyl parathion is leached into a stream from an abandoned disposal site. Is photolysis likely to be a significant sink for this chemical. If the travel time to the ocean is 5 days
What points along the line of action of the force F_evec would simplify the calculation of M, the magnitude of the total moment due to the force F_evec about point O
A 1-mile-long racetrack is to be designed with a 1/4-mile turns at each end. Determine the superelevation rate for a design speed of 70 mph, assuming f=.20.
For the same loan described under Q3, the individual decides that instead of selling the house after the 71stpayment, to keep it and shorten the pay off period by increasing the montly payment by $150 each month.
When a theoretical cutting plane is passed through an axially loaded prismatic bar, perpendicular to the longitudinal axis of the bar, and one side is analyzed as a free-body diagram, there is a uniformly distributed force acting on the bar's cros..
A disk spins within an oil-filled enclosure, having 2.4 mm clearance from flat surfaces each side of the disk. The disk surface extends from radius 12 to 86 mm.
Plot the moment envelope curves(positive and negative). (NOTE: You only need to consider maximum positive and negative bending moments even though for a true envelope curve you would have to consider all points between the supports.)
Solid waste production in the United states was 4.3lbs/person-day. Calculate the potential methane production in one year for a land fill that serves a community of 50,000 people.
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