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An investigation of a particular site revealed a 4m thick deposit of peat overlying a deposit of soft clay. A 150 mm diameter by 300 mm long sample taken from the peat deposit was weighed and found to have a total mass of 5036 g and after oven-drying a dry mass of 387,4 g.
a) If the partical specific gravity of the peat is 1.43 ,calculate the bulk density,water content ,void ratio ,degree of saturation and air voids content of the peat deposit.
b) Calculate the respective thickness of the soild phase ,water phase and air phase.
A 12 foot W14 X 22 column with pinned ends is axially loaded. The max load it can carry is 34 ksi. Determine (a) Euler buckling stress, (b) Euler buckling load. (A = 6.49 in^2) (ry = 1.04 in) (Iy = 7.00 in^4)
Calculate the vapor pressure, air pressure, relative humidity, and air density at elevation 1500 m if air temperature is 25 degrees C and dew point temperature is 20 degrees C and the lapse rate is 9 degrees C/km
Assume the stream is 3ft wide and 1ft deep (assume a rectangular cross section. If the flow throught the stream is 1000 gallons/day and the concentration at the beginning of the stream is 250 ppm
During a particular 30-day period, the streamflow flowing into a reservoir averaged 5.0 m3/s. Water supply withdrawals from the reservoir averaged 136 mgd. The only other outflow from the reservoir was 9.4 cm of evaporation from the water surface.
Prepare an outline of the experimental design you will suggest to the plant manager. This outline should contain research rationale, aims and objectives, research methodology, nature of data analysis and interpretation, and possible outcomes/concl..
A treatment plant has a horizontal flow sedimentation tank with a depth of 4m, width of 6m, length of 36m, and process flow rate of 450m3/h. What removal percentage should be expected for particles that have settling velocities of 1.0 m/h and 2.5 ..
A 24-in.-wide by 0.100-in.-thick by 140-in.-long steel sheet is to be formed into a hollow section by being bent through 360° and having the long edges welded (i.e., butt-welded) together. Assume a cross-sectional medial length of 24 in.
Nitrification, the conversion of ammonia to nitrate (NH3 -> NO3-) occurs in the lake according to first - order kinetics. One stream feeds the lake and one stream empties the lake with the flow rate in both being 8 cfs
Determine the acceleration of the initially stationary 20-kg body when the 50-N force P is applied. The small wheels at B are ideal, and the feet at A are small.
Drawdown at an observation well 15 m from the pumped well is 3.0 m, and drawdown at a second observation well 150 m away is 0.30 m. find the hydraulic conductivity of the aquifer.
A loose, uncompacted sand fill 6 ft in depth has a relative density of 40%. Laboratory tests indicated that the minimum void ratios of the sand are 0.46 and 0.90, respectively. The specific gravity of solids of the sand is 2.65.
A cross section of a cottage, 20 ft wide, is an isosceles triangle. If the slope of a side is 1.75 and there is a second floor 8 ft above the ground floor, what isthe width of the second floor?
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