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Design Span S2 of the continuous one-way slab example (we designed Span Si in class). Use ACI coefficients. The slab is to support a service live load of 170 psf in addition to its own weight. fc' = 3,000 psi and fy= 40,000 psi. The slab is to be considered integrally with its spandrel girder supports. Show the detailing of the Flexural reinforcement.
A low rate trickling filter plant gives 95% BOD5 removal. the primary clarifier removes 33% of the BOD5 applied to it. the secondary sludge amounts to 0.029lb dry solid/cap-day. if the raw wastewater has a BOD5 of 0.17lb/cap-day.
A steam locomotives had scoops installed that took water from a tank located between the tracks and lifted water into the tender. To lift the water 12 ft with a scoop, neglecting all losses, what speed in mph is required?
World population 10,000 years ago has been estimated at about 5 million. what exponential rate of growth would have resulaed in the population in 1850 , which is estimated at 1 billion ? had that rate continued , would the population have been in the..
Neglecting the effect of altitude of local gravitional acceleration, determine the vertical distance climbed. Assume an average air density of 1.18 kg/m^3.
Problem 1: A calibration equation for a temperature sensor calibrated for 100 ≤ T ≤ 500K is give as R = 1.25 - 0.03T + 5 * 10-4T2 + 1 * 10-6T3 (with R in Ω and T in K). Determine the sensitivity of the temperature sensor at T = 300 K.
Treatment plant was designed for 9 MGD. It is currently processing 13 MGD. Your task is to assess the expected treatment performance of the primary clarifiers. There are two clarifiers 45 feet in diameter.
Essex Company has a price of $55/share today, and you purchase 2 calls with a $68 strike price for $2.75/share. (Each call consists of 100 share options.) In 6 months, when your options are about to expire, you exercise your options. The stock is tra..
a storage tank has a diameter of 80 ft, a height of 25ft and contains oil to a height of 15ft. the suction pumps, which can handle 15000bbl/d, are started, but the safety valves are clogged and a vacuum is drawn in the tank.
Place the scientific mass on the inclined plane and string over the pulley. Using a force-measuring device, pull the string and determine the force needed to obtain static equilibrium.
An undisturbed chunk of soil has a wet weight of 62 lb and a volume of 0.56 ft3. When dried out in an oven, the soil weighs 50 lb. If the specific gravity of soilds is found to be 2.64
The mean anual rainfall depth over a 280 km2watershed is 725 mm. What is the mean annual volume of rainfalling on the watershed in m3 ?
The aquifer characteristics are: Ambient temperature=8 oC Hydraulic conductivity = 123 ft/day Hydraulic gradient = 0.00091 ft/ft Effective porosity = 0.31 Total organic carbon = 198 mg/kg Bulk density = 1.65 g/cm3
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