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A cutting 9 m deep is to be excavated in saturated clay of unit weight 19 kN/m3. The design shear strength parameters are cu = 30 kN/ m2 and u = 0. A hard stratum underlies the clay at a depth of 11 m below ground level. Using Taylor’s stability coefficients, determine the slope angle at which failure would occur. What is the allowable slope angle if a factor of safety of 1.2 is specified?
A four lane freeway (two lanes in each direction) operates at capacity during the peak hour. It has 11-ft lanes, 4-ft shoulders, and there are three ramps within three miles upstream of the segment midpoint and four ramps within three miles downst..
A study of the traffic using a tunnel showed that the following speed-concentration relationship applies. Find the capacity of the tunnel, the values of speed and oncentration at capacity, and the jam concentration.
Evaluate company performance in relation to GRI standards and comment on Stigler's theory.
since the management of change is a key elementnbspof a successful process improvement program anbspseries of actions
Calculate the X, Y and Z coordinates of point B for radial readings taken to B from occupied station A, if the backsight azimuth at A is 25°32'48", the elevation of A = 610.098 m, and hi = 1.45 m
Water is pumped from a reservoir whose surface elevation is 1390 ft to a second reservoir whose surface elevation is 1475 ft. The connecting pipeline is 4500 ft long and 12 in. in diameter.
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..
An object is held in the air 30m above ground and released. Assume the drag force due to air resistance is given by Fd = 1.0Vy. What is the mass of the object necessary so that it reaches ground in 3s
The time between truck arrivals at the station is exponentially distributed with a mean arrival rate of 1.5 veh/min. the time it takes vehicles to be weighed is exponentially distributed with a mean rate of 2 veh/min.
The slope of the hill is such that for each mile (5280 ft) of horizontal distance, the change in elevation is Δz. Determine the maximum value of Δz if the flow is to remain laminar and the pressure all along the pipe is constant.
A breif explination on clay mineralogy including isomorphous substitution, specific surface, cation exchange capacity and their effect on clay properties.
how much money should timothy and tiffany deposit annually for 20 years in order to provide an income of $30,000 per year for the next 10 years. Assume the interest rate is a constant 4%
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