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The minimum thickness of the drainage layer of a landfill cover system is dependent on the hydraulic properties as well as the geometrical configuration of the layer. A rectangular landfill in the New England area is 175 m in width, and sloped at the uniform angle of 75 degrees. Its cover system includes a drainage layer constructed of clean, medium sand (Ks = 10^-2 cm/s). The results of a study of stormwater percolation at this site is presented below.
A. For this landfill, what is the relationship between precipitation rate and then resulting rise in water level within the drainage layer? Display your analysis graphically, corresponding to a minimum of the five rainfall intensities of magnitude 1-5".
B. If the angle of the landfill was increased to 7.8 degrees, what would be the corresponding relationship? What if the slope was reduced to 7.2 degrees?
Rainfall Intensity (in) Maximum Infiltration (cm/s)
0.5 3.430 X 10^-8
1.7 5.370 X 10^-7
3.3 2.104 X 10^-5
5.2 1.640 X 10^-3
determine the practical moment strength phi x Msubn for a rectangular reinforced concrete cross section having a width (b of 13 in.) and an effective depth (d of 24 in.) The tension reinforcing steel is four no# 8 bars.
You have been hired to analyze process piping for a food processing facility. They are using OD controlled sanitary piping to run water for a cooling jacket unit. Your job is to determine the maximum piping span.
An orifice meter was calibrated for dry air at T=90 F and P=1.3 atm. The calibration data are as follow: dp(inches of water): 0,0.5,1.0,2.0,3.0,4.0,5.0 Q(ft^3/minute): 0,2.0,3.0,4.2,5.0,5.5,5.8
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create a primary function that uses a function handle with a nested function to compute the ninimum of the function 20x^2-200x+12 over the range 0
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Determine the quantity of lime and soda ash required to soften 1 mgd of the following water. Plan to achieve a hardness of 40 mg/L as CaCO3. Note that an excess of 35 mg/L of lime (CaO) is required to achieve 40 mg/L as CaCO3.
what would be the horizontal and vertical component from this acting force see diagram
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