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A static pile load test was carried out on a 0.8-m-diameter steel pipe pile installed 21 m into a loose-to-medium sandy soil. The pile was driven into the soil. Selected load- displacement data are shown in the table on the next page.
(a) Determine the allowable load if the serviceability limit state is 12 mm.
(b) Is the maximum load the ultimate load? Justify your answer.
(c) Discuss some of the issues you would consider in the interpretation of the data.
The elastic ball bounces down a flight of rigid stairs. Determine the height h of the steps if all the trajectories between successive steps are identical. Use e = 0.85 and the initial velocity 6 m/s.neglect friction. (Theta=70 degrees)
Is the sonic velocity in a specified medium a fixed quantity,
An engineering student has been given the assignment of designing a hydraulic holding system for a hay baling system. The system has four cylinders with 120 mm diameter pistons with a stroke of 0.320 m.
What is the average length of queue, the average time spent in the system, and the average waiting time in the queue?
Two surfaces of a 2cm thick plate are maintained at 0*C and 80*C, respectively. Heat is transferred through the wall at a rate of 600 W/m^2., determine its thermal conductivity,k.
incoming wastewater , with BOD5 equal to about 200mg/l is treated in well-run secondery treatment plant remove 90 percent of the BOD. you are to run five-day BOD test with a stander 300-ml bottle , using mixture of treated sewage and dilution wate..
The city has a stable population of 235,000 residents and the design criteria for the new landfill are as follows: MSW generation rate = 4.0 lb/(person-day); density of the compacted MSW in the landfill is 775 lb/yd3
Water is pumped from a reservoir whose surface elevation is 1390 ft to a second reservoir whose surface elevation is 1475 ft. The connecting pipeline is 4500 ft long and 12 in. in diameter. If the pressure during pumping is 80 psi at a point midway o..
The reference current for the DAC0808 is 2.0 mA. With the DAC output connected to the inverting input of an op amp with a feedback resistor of 5.0 kohms, what is the op amp output voltage with a digital input of 0x80
If there are 50 vehicles on a 4000-ft highway lane and the average time headway between two adjacent vehicles is 2.2 seconds. A) Calculate traffic density in vehicle/mile (vpm) and average space headway in feet/vehicle (fpv).
For maximum undercooling, calculate the size of the critical radius and the number of atoms in the critical nucleus when solid copper forms by nucleation.
a 150 kg mass is suspended by wires from two hooks. the lengths of the wires have been adjusted so that the wires are each 50º from horizontal. assume that the mass of the wires is negligible.
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