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A cylindrical sample of soil is isotropically compressed under drained condition with a vertical stress of 100 kPa and a radial stress of 100 kPa. Subsequently, the axial stress was held constant and the radial stress was increased to 300 kPa under an un-drained condition.
(a) Create a graph with the x-axis as s, s' and the y-axis as t. Calculate and plot the initial mean effective stress and deviatoric stress
(b) Calculate the increase in mean total stress and deviatoric stress.
(c) Plot the total and effective stress paths (assume the soil is a linear, isotropic, elastic material).
(d) Determine the slopes of the total and effective stress paths and the maximum excess pore water pressure
A driver takes 3.2 sec to react to a complex situation while travelling at a speed of 96km/hr.how far does the vehicle travel before the driver initiates a phisical response to the situation?
What are the strengths and drawbacks of each?
The two bars shown in the figure are used to support a load P. When unloaded, joint B has coordinates (0, 0). After load P is applied, joint B moves to the coordinate position (0.35 in., -0.60 in.). Assume a = 11 ft, b = 6 ft, and h = 8 ft. Determine..
determine the maximum wind load that the cavity wall , bothe wythes are fully grouted but unreinforced ,and type S mortar portland cement is used . prism strength is equal to 2666psi for the concrete block wythe and 5333 psi for the brick wythe.
Estimate the minimum length of the pre-crack one has to introduce at the tip of the notch to avoid possible effects of the strain field of the notch on subsequent fracture behavior.
Calculate the dry unit weight, the saturated unit weight and the buoyant unit weight of a soil having a void ratio of 0.70 and a value of Gs of 2.72. Calculate also the unit weight and water content at a degree of saturation of 75%.
A soil proposed for a compacted fill contains 38% fines and 62% coarse materials by dry weight. when the coars fraction has w=2.0%, its affinity of water is completely satisfied( that is,it is saturated but surface dry).
A glass tube with inside diameter of 2-mm is inserted vertically into a dish of mercury at 20°C. Determine the difference in mercury levels inside and outside the tube.
Prove for an ideal gas that (a) the P = constant lines on a T-v diagram are straight lines and (b) the high-pressure lines are steeper than the low-pressure lines.
Benzene is a toxic chemical used in the manufacturing of mechanical chemicals. A manufacturer claims that its exit (effluent) water meets the federal regulation standards with a mean of less than 7980 ppm of benzene.
This distance is indicated correctly on a steel surveyor's tape whenused at a temperature of 70 degrees F and subjected to a pull of 10lbs. If in measuring a certain distance the tape indicatesthe distance to be 100 feet
A biodegradable industrial wastewater (paper production) has a COD of 600 mg/ L. If the BOD progression follows first-order kinetics with a rate constant of 0.10 per day, determine the BOD5
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