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Its desired to produce 5 cubic yards of cencrete with a ratio of 1:1.8:3.5 of cement, snd, and gravel what are the required amounts of components if 5.5 gallons of water per sack of cement is to be used? Assume the free miosture contents of the sand and gravel are 3% and 0.75% respectivley. The specific gravities of cement, sand, and gravel are 3.15,2.65,and 2.65 respectivley give the answer for cement in sacks, the sand, and gravel on pounds and the water in gallons.
The specific storage of a 45-m thick confined aquifer is 3.0 X 10^-5 m^-1. How much water would the aquifer produce if the piezometric surface is lowered by 10 m over an area of 1 km^2
The center of gravity G of the 20-in. club is located 12 in. from the knob. knowing that at the instant, G has a velocity of 4 ft/s upwards and the club has an angular velocity of 30 rad/s counterclockwise
Calculate the deflection of the column. You must choose the number of steel rods n, and the rod diameter. Exact location of roads does not need to be specified. You must also chose a thickness of the wrap.
what is the difference between normal stress and allowable shear stress. What is the difference between axial and hoop stress and how do you calculate tensile force per mm.
The base line vector between the base and roving reciever is 8340m and has an accuracy of +/-(1to 2 cm +/-2ppm). What is the estimated uncertainty in the length of this vector
According to information found in an old hydraulies book, the energy loss per unit weight of fluid flowing through a nozzle connected to a hose can be estimated by the formula h=(0.04 to 0.09)(D/d)^4*V^2/2*g
For a proposed level of stress, ninety percent of consolidation occurred in 15.8 minutes (t90=15.8min) for a laboratory consolidation test of a 12.7 mm thick clay specimen. In the field a 6.5m layer of the clay is sandwiched between sand layers. How ..
determine the horizontal spacing of the vertical drains if the drains are installed in triangular grid to reach 90% of primary consolidation in 1.5 years after the commencement of fill placement
Member ABC is supported by cable CD and a square collar at A that fits loosely over the smooth square rod. Determine the tension in cable CD. The smooth rod is fixed at its base and cannot rotate.
The force exerted on the hand causes torsion of the humerus. Let us assume the cross-section of this wrestler's humerus is approximated as hollow (the marrow has little structural strength) with an outer diameter of 19.0 mm and an inner diameter o..
After removal from the oven, its unit weight is 109 lb/ft3. Compute the void ratio, porosity, initial moisture content, and a specific gravity of the soil, assuming its volume did not change during the drying process.
Use appropriate kinematics equations (for the right ranges) for the new velocity and distance traveled. (Hint: when the impulse becomes a non-negative number set it to zero; then the acceleration becomes zero and the velocity does not change; so use ..
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