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A simply supported rectangular beam of 7 m span carries characteristic dead (including self-weight of beam), gk, and imposed, qk, loads of 12 kNm-1 and 8 kNm-1 respectively. The beam dimensions are breadth, b, 275 mm and effective depth, d, 450 mm. Assuming the following material strengths, calculate the area of reinforcement required.
fcu = 30 Nmm-2
fy = 500 Nmm-2
Is it possible to have a copper-silver alloy of composition 50 wt% Ag-50 wt% Cu that at equilibrium, consists of α and β phases having mass fractions Wα = 0.60 and Wβ=0.40? If so what will be the approximate temperature of the alloy? If such an a..
A falling-head permeability test is being conducted on a saturated sample of clayey silt having hydraulic conductivity of 6.5 x 10-9 m/s. The diameter and the length of the sample are 100 mm and 150 mm
A frictionless, incompressible steady flow field is given by V=2xyi-y^2j in arbitrary units. Let the density be ρ_0=constant and neglect gravity. Find an expression for the pressure gradient in the xdirection.
a 25-ft long crane supported at its lower end by a pin is elevated by a horizontal cable as shown in the figure. a
Compare the three-decimal-place values of the two approximations at x=(1/2) with the value y(1/2) of the actual solution . then do the same for PART B: y'=-2xy , y(0)=2 ; y(x)=2e^(-x^2)
Explain why sedimentary rocks are of particular importance to geotechnical engineers.
Three cylinders from the same mix were tested for strenght. Cylinders A and B were cast in 4x8 molds while cylinder C was cast in a 6x12 mold. The total loads were as follows; cylinder A= 65,200 lbs., cylinder B= 68,550 lbs., cylinder C= 151,190 l..
Write out the steps for the aldol condensation reaction between the enolate anion of propanal with pentanal.
A freeway exit ramp has a single lane and consists entirely of a horizontal curve with a central angle of 90 degrees and a length of 628 ft. If the distance cleared from the centerline for sight distance is 19.4 ft
Problems were found in the use of precast concrete, is:A. Need a larger initial investmentB. Requires fabricating a very wide area
Discuss some of the issues you would consider in the interpretation of the data.
How many truckloads of trucks hauling an average volumeof 6 LCY (4.6 LCM) would be required to haul 1 million CCY (764, 600 CCM) of gravel to a dam site?
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