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Given the initial effective stress state at a point within a soil mass (s_y=2.5 daN/cm2, s_x=1.5 daN/cm2, t_xy=t_xy=0.4 daN/cm2) and effective soil shear strength parameters at the same point (friction angle=30 degrees, cohesion=0.5 daN/cm2), find the maximum principal effective stress at failure assuming the minimum principal effective stress is kept constant at its initial value. Find also the directions of the two principal stresses at failure.Note: Solve this problem plotting the Mohr's circle at scale and use the Pole method.
a tank is filled with oil (specific gravity 0.8) and water to a depth of 10 meter and 6 meter respectively. Find the resultant force from all fluids acting on the gate of 1.8 meter by 9 meter.
Raw primary sludge at a solids concentration of 4% is mixed with waste activated sludge at a solids concentration of 0.5%. The flows are 20 and 24 gal/min, respectively. What is the resulting solids concentration
Determine the uniform flow depth in a rectangular channel 2.5 m wide with a discharge of 3 m3/s. The slope is 0.0004 and Manning's roughness coefficient is 0.015
The pollutant has a reaction rate coeeficient k of 0.25/day. Assuming is pollutant is well mixed in the lake, find the steady-state concentration of pollutant in the lake.
The initial schedule called for 500 feet of pipeline to be installed each week, with the total construction cost projected to be $25 million. After 8 weeks, 4750' of pipeline has been installed at a cost of $11.25 million.
the front of our library has six double doors and the doors rotate open in the middle making less clerance room how can i get started
A vertical parabolic curve is to be used as a sag curve, and it is desired to know the location and elevation of the low point. The curve is 750ft long , and the minus grade of 3.6 percent intersects the plus grade of 6.2 percent at station 240+80..
The horizontal motion of plunger and shaft is arrested by resistance of the attached disk which moves through the oil bath. If the velocity of plunger is v.
determine the power developed by the force when t = 5s. Hint: First determine the time needed for the force to cause motion.
What are two or three quality management tools used in data collection? What types of quality management tools do you utilize to make personal or business decisions? How do you use these tools in the decision-making process?
determine the force exerted by the rider on the seat, the upward normal forces at A and B, and the lateral friction forces at A and B. Even though the bicycle is free to roll, assume that it does not. The bicycle weighs 29 lb with center of gravit..
If the critical point in a DO sag curve is found to be 18km downstream from the discharge point of untreated wastewater, would you expect the critical point to move upstream (toward the discharge point)
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