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Table 3: Rigging equipment sling angle coefficients [3] Applied load To determine the required anchor, the manufacturing plant handling and the site handling should be considered separately. Example: A thin walled rectangular section, 6.0 m long, 3.0 m wide and 150 mm thick is being considered to be edge lifted from a horizontal steel bed using ...
Under tension loading, the concrete capacity of a single anchor is calculated assuming an inclination between the failure surface and surface of the concrete member of about 35°. The concrete cone failure load N 0 {\displaystyle N_{0}} of a single anchor in uncracked concrete unaffected by edge influences or overlapping cones of neighboring ...
Counterweight of elevator Concrete counterweights on a tower crane Bascule bridge with concrete counterweight. Metronome: A wind-up mechanical metronome has an adjustable weight and spring mechanism that allows the speed to be adjusted by placement of the weight on the spindle. The tempo speed is decreased by moving the weight to a higher ...
Modern forms are the plate anchor, in which the guy is attached to a rod with an eyelet extending from the center of a steel plate buried diagonally, perpendicular to the angle of the guy. In the concrete anchor, a diagonal rod with an eyelet extending in the guy direction is cemented into a hole filled with steel reinforced concrete.
The test hammer hits the concrete at a defined energy. Its rebound is dependent on the hardness of the concrete and is measured by the test equipment. By reference to a conversion chart, the rebound value can be used to determine the concrete's compressive strength. When conducting the test, the hammer should be held at right angles to the ...
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In structural engineering it is used to determine failure load as well as the angle of fracture of a displacement fracture in concrete and similar materials. Coulomb 's friction hypothesis is used to determine the combination of shear and normal stress that will cause a fracture of the material.
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