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A CU triaxial test was carried out on a silty clay that was isotropically consolidated using a cell pressure of 125 kPa. The following data were obtained:
(a) Plot the deviatoric stress against axial strain and excess pore water pressure against axial strain.
(b) Determine the undrained shear strength and the friction angle.
(c) Determine E' and E's.
(d) Determine Skempton's Af.
A W16 x 36 simply supported beam is 30 ft long and supports auniform dead load of 970 lb/ft, a roof live load of 240 lb/ft and asnow load of 270 lb/ft. Is this beam adequate to support the load? Please show the calculations.
Constructing the foundation causes changes in the levels of vertical stress at all points in the soil. One such point lies at the centre of the footing plan, and is at a depth of 10 m. Determine the increment of vertical stress there.
Given the following info., calculate the unit wet weight of asoilmassin pcf and the submerge unit weightin pcf porosity, n=45%
On this segment of freeway, the directional peak-hour volume is 3800 vehicles with 2% large trucks and 4% buses (no recreational vehicles), the peak-hour factor is 0.90, and all drivers are regular users.
Also, estimate numerically the attenuation distance of light in air-that is, the propagation distance through which the intensity falls to 1/e of its initial value due to scattering losses
Find the length and width of a square basin for virus disinfection of a flow of 6 MGD. You may assume a depth of 5 ft, a C•t product of 10 (mg/L) •min for 1.5-log removal, and a target free chlorine residual of 0.6 mg/L.
Carbon disulfide (CS2) reacts with excess chlorine (Cl2) to produce carbon tetrachloride (CCl4) and disulfur dichloride (S2Cl2). If 69.7 g of CS2 yields 62.6 g of CCl4, what is the percent yield? (Hint, you must first write the balanced equation.)
The flow is fully developed and laminar. Make use of the Navier Stokes equation to determine the relationship between the discharge and the other parameters involved, for the case in which the change in pressure along the channel is zero.
The segment of river shown has a rectangular cross-section, with width 50 ft. The river bed is at angle theta=10 degrees from horizontal. The average velocity is 2 ft/s at the upstream end, and 3 ft/s at the downstream end.
Calculate the compacted cubic yards per hour if a compactor with a 5-ft drum width travels at 3 mph over a 10-in. lift of aggregate base course with 4 passes required to meet density specifications under average operating conditions.
Consolidation test was conducted on the undisturbed clay sample, and one increment of loading data with time is presented in the following table. At "0" time, the sample height was 2.314 cm, and the void ratio was 0.7.
Vehicular access to the Toronto Island Airport now involves the use of a small ferry, capable of carrying about 8 automobiles or an equivalent number of trucks, which operates across the 150 metre wide body of water known as the Western Gap
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