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A rectangular beam of size 250 x 650 mm, with effective depth equal to 590 mm, is reinforced with three 25.4 mm diameter of bars. C 28 concrete and Grade 420 steel are to be used. Determine stresses at top, bottom and level of reinforcement caused by a bending moment of 50 kN-m.
An effluent holding pond to be used as part of a spray irrigations system is being built. The holding pond is located 2.5 miles awary for the 10 mgd WWTP which will supply the effluent
Normal load at failure was 93.8N with a maximum shear load of 38.7N. Find stresses on the failure plane, sketch a graph showing these on the shear stress and normal stress axes. Find the friction angle and shear strength.
A pumping well of 0.75-m radius fully penetrates an unconfined aquifer of 24-m thickness and produces at a rate of 10 L/s. After a long period of pumping well is 1.6 m. The drawdown in another observation well 60 m from the pumping wel
A sleeve 30 cm long encases a vertical rod 2.5 cm in diameter with uniform radial clearance of 0.005 cm. when the sleeve and the rod are immersed in a pool of oil with dynamic viscosity
The soil at a site is shown in Figure P16.12. A slope will be cut to facilitate the construction of a roadway. One possible failure surface is shown in Figure P16.12. Determine the factor of safety. The shear strength parameters were obtained from..
A thick steel sheet of area 440cm3 is exposed to air near the ocean. After a one-year period it was found to experience a weight loss of 880g due to corrosion. To what rate of corrosion in mm/yr dose this correspond
Consider the deck to be simply supported onstringers. Floor beams then transmit the load to the bottom joints of the truss. In each case find themember subjected to the largest tension and largest compression load and suggest why you wouldchoose o..
A soil borrow material in its natural state in the ground has a unit weight of 118pcf. Its natural water content is 7%. What is the dry unit weight of this material?
A hawk flying at 2 m/s at an altitude of 45 m accidentally drops its prey. The parabolic trajectory of the falling prey is described by the equation below until it hits the ground, where y is its height above the ground and x is its horizontal dis..
A city near the epicenter of an earthquake sustains major damage to poorly constructed building, althought hospital and schools designed to resist dmage from ground motion sustsain only minor damage.
A sewer pipe must be laid from a starting invert elevation of 650.73 ft at station 9 + 25 to an ending invert elevation of 653.81 ft at station 12 + 75. Determine the uniform grade needed, and calculate invert elevations at each 50-ft station.
The golf ball has a diameter of 1.70 in and weighs 0.099 lb. Assuming standard atmospheric conditions (mu, u air = 3.74 * 10^-7 lb-s/ft2 and rho = 0.00238 slug/ft3)
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