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The cylindrical gate of canal headworks, having a diameter of 3m and a length of 6 m, is subjected to water pressure up to its top as shown in the Figure. The gate resisting on the concrete floor of the headworks, is laterally supported at A. Assuming water tight conditions at B and no rotation of the cylinder, find the minimum weight of the gate so that it may have no upward motion resulting from the water pressure.
1. Povide three non-pavement products that use asphalt and by weight, what is the percent that is asphalt 2. Provide three US and two international locations where asphalt or its parent material, crude oil, originate from for use int the US
A small truck is to be driven down a 4% grade at 70mi/hr. The coefficient of road adhesion is 0.95, and it is known that the baking efficiency is 80% when the truck is empty and decreases by one percentage point for every 100 lb of cargo added. Ignor..
An investor has invested $250,000 in a new rental property. Her estimated annual costas are $6,000 and annual revenues are $20,000. What rate of return per year will the investor make over a 30-year period ignoring the salvage value
Congress banned the production of the speedy dry cleaning company's dry cleaning fluid in 2000. Speedy is using a new cleaning fluid. The new dry cleaning fluid has one-sixth the volatility of the former dry cleaning fluid.
Problem: Determine the LRFD nominal and adjusted design values and adjusted design resistances for the following members and loading combinations. All members are Select Structural Southern Pine and are fully braced to prevent lateral torsional bucki..
You wish to retire at age 66 and at the end of each month thereafter for 30 years, to receive $5000. Assume that you begin making monthly payments into an account at age 24. You continue these payments until age 66. If the interest rate is constant a..
What is the maximum length of trench that can be excavated by hand economically rather than by a trenching machine. It will cost $900.00 to transport a trenching machine to the job and back to the storage yard.
An embarkment will be constructed with the soil compacted to 95 percent of the max dry density. the borrow material, is deposited at a uniform density of 75 percent of the max dry density. the roadway embankment will require 75,000 cubic yards of fil..
The pressurized tank shown was fabricated by welding strips of plate along a helix forming an angle ? (beta) with a transverse plane as indicated below. Determine the largest value of
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y.
determine the length of an interval of time such that the probability of at least one call in the interval is 0.90
Compute the 50 year flood discharge on a large creek in Northern Ohio if the total discharge area is 75 mi^2. The average soil infiltration is 0.5 in./hr; the main channel slope is 0.008.
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