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Need to know how the equation for splitting tensile strength of a concrete cylinder f(ct) = 2P/pi*D*L is derived using mechanics of materials or linear elasticity approach.
D=diameter of specimen
L=Length of specimen
P=maximum applied load in test
The subcritical water level in the channel downstream from the stilling basin is at an elevation of 100 feet above the datum. assume no energy loss over the spillway, determine the invert of the stilling basin required to form a hydraulic jump in ..
a buried horizontal concrete pipe (n=0.012) of unknown length needs to be replaces. the length is not known because the original plans for the pipeline route have been lost. the pressure head drop along the segment that needs to be replaced is 29...
Consider a velocity field V = axiˆ + by(1+ ct) ˆj , where a=b=2 sec-1, and c=0.4sec-1. For the particle that passes through the point (x,y)=(1,1) at the instant t=0, plot the pathline during the interval from t=0 to 1.5 sec.
Also determine the bending moment atthe bottom of its pole whose height from the graound to the bottomof the sign is 1.5 m. Disregard the drag on the pole.
Vehicles arrive at a tollbooth according to the function h(t)= 5.2-0.2t, where h(t)is in vehicles per minute and t is in minutes. The toll booth operator processes 3 vehicles per minute.
A line passes through the points (20m, 16m) and (-1m, -4m). Determine the perpendicular distance d from the line to the origin O of the system of coordinates.
(1) a constant wind velocity that is twice the mean wind velocity and operating half the time; and (2) a constant wind velocity that is three times the mean wind velocity operating one-third of the time.
Compute and tabulate the bearingsof the sides of a regular pentagon (polygon with five equalangles), given the starting direction of sideAB.
As the weather forecasters frequently state, the atmospheric pressure drops during stormy weather and it rises during clear and sunny days.
The efficiency of the engines of subsonic airplanes depends on air pressure and usually is maximum near about 36,000 ft. Find the air pressure y(x) at this height. The rate of change y(x) is proportional to the pressure
A specimen of saturated soil has a water content of 145 percent and a total unit weight of 84 pcf. Find the void ratio and specific gravity of solids.
the 3 kg block is released from rest at A and slides down the smooth parabolic surface. determine the maximum compression of the spring
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