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A construction site requires 35,000 yds^3 of soil in a compacted state with a moist unit weight of 126 pcf at a water content of 14%. if the uncompacted soil currently has a unit weight of 96 pcf and water content of 14%, what total volume of this soil is required to obtain the above volume of compacted soil? know: unit weight of water= 62.4 pcf assume Gs=2.65 hint: weight of the soil does not change due to compaction of the soil.
The inflow to a small reservoir during a storm may be described by the equations Q=1000(1-e^-kt) where Q= flow in cfs k= runoff rate = 1.0 per hour t = time in hours The outflow through the dam gates is held constant at 800 cfs.
Two men A and B, each having a weight of 160lb stand on a200lb cart. Each runs with a speed of 3ft/s measured relativeto the cart. Determine the final speed of the cart if:
World population 10,000 years ago has been estimated at about 5 million. what exponential rate of growth would have resulaed in the population in 1850 , which is estimated at 1 billion ? had that rate continued , would the population have been in the..
a trapezoidal canal 6m wide at the bottom and having a side slope of 1v2h carries water with a mean velocity of 1.0ms
what is the probability that the vehicle pulling out will get in an accident with oncoming traffic?
How is this optimal loading changed if the maximum truck speed is changed from 35 to 45 mph or to 25 mph? What would these changes do to the cost of this particular job?
Outside factors are related to induced substances (73%) or foreign objects (27%). Natural occurrences are caused by arterial blockage (56%), disease (27%), and infection (e.g., staph infection) (17%). Round your answers to four decimal places (e.g..
How appropriate might a just in time inventory system be for a product such as roller skates?
At a certain altitude and time, a rocket's acceleration is 2.5 g. One gravity (g) is equivalent to 32.2 ft/s^2. What is the rocket's acceleration in meters per square second
Determine the surface area of a primary settling tank sized to be handle a maximum hourly flow of 0.570 m3/s at an overflow rate of 60 m/day.If the effective tank depth is 3.0 m,what is the effective theoretical detention time?
Calculate the required compressive strength for a concrete mix design if F'c = 5000 psi and data indicate a standard deviation of 600 psi based on 15 tests for a similar concrete mix
A piece of wire is stretched from length l1 to length l2 (step A), and then from length l2 to length l3 (step B). (i) Write down an expression for the engineering strain associated with step A.
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