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Earth whose in situ weight is 110 lb per cf and compacted weight is 124 lb per cf is placed ina a fill at rate of 280 cy per hr, measured as compacted earth. The thickness of the compacted layers is 8 in. A tractor pulls a towed sheepsfoot roller having drums, 6 ft wide. at a speed of 1.4 mph. 4 drum passes are specified for eack layer of earth. Assume a 50-min-hour effeciency.
How many square feet of compacted cy are placed per hour?
What area in square feet does the drum cover per hour?
How many drums are required to provide the necessary compaction?
The grade elevation at station 25+00 is to be 946.52 ft. What will be the grade elevation at station 34+86.20 if the grade linerises at the rate of 1.785% between these two points?
A 200 m wide natural stream, whose cross-section can be approximated by a rectangular cross-section, contains a dischargeof 80 cumecs. If the specific energy of the flow is 1.5 timesthe minimum specific energy
A supervisor is sitting at her desk illuminated by a 180 candela source 3 feet above it. She is writing with green ink (reflectance=30%) on a yellow note pad (reflectance=60%). What is the illumination on the note pad?
A 1400-ft-long sag vertical curve (equal tangent)has a PVC at station 115 + 00 and elevation 750 ft. The initial grade is -3.5% and the final grade is +6.5%. Determine the elevation and stationing of the low point, PVI, and PVT
To adjust the mix so as to increase the compressive strength, the water-to-cement ratio is reduced to 0.45. Will the quality of the coarse aggregate increase, decrease, or stay the same
There are three 18 mm diameter steel bolts that are attached to a plate. The plate can support up to a 110 KN load, and the ultimate shear stress is 360 MPa. Determine the factor of safety for the given design.
How do you fill out the moment distribution table? I dont know how to compute the values for each cell as the node is locked and un-locked.
how do i solve this problem a 14 in diameter rod must be machined on a lathe to a smaller diameter for use as a
The tower crane is used to hoist the 2-Mg load upward at constant velocity. The 1.5-Mg jib BD , 0.5-Mg jib BC , and 6-Mg counterweight C have centers of mass at G1 , G2 , and G3 , respectively.
A picture of a man performing a pole vault, and the minimum radius of curvature of the pole is estimated by measurement to be4.5 m. If the pole is 40 mm in diameter and it is made of glass-reinforced plastic
A simple highway curve is planned to connect two horizontal tangents that intersect at sta. 2500+00.00 at an external angle of 52°. For a design speed of 60 mi/h and a curve radius of about 1.25 times the minimum allowable
Characteristics between Pre-historic and Egyptian architecture and Egyptian and west Asiatic Architecture
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