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1. On a 5-acre level terrain building site, an earthwork contractor has instructed her crew to strip and grub the topsoil of a 60,000-ft2 proposed building pad to a minus 2-ft sub-grade. The soil has a swell of 40% and an angle of repose at 30°. The diameter of the stockpile.
2. An earthwork contract was awarded to excavate and backfill the foundation of a proposed 75-ft by 75-ft office building. The existing grade elevation is 37.00-ft while the sub-base for the below grade basement is 31.50-ft. The concrete contractor requires a 3-ft perimeter walkway in order to place the concrete formwork. Soil conditions are classified as OSHA Type B soils which require 1H:1V side slopes.The total volume (yd3) excavated.
Figures (a) and (b) respectively give details of a simply-supported bridge beam and its (idealised) cross-section. In addition to the dead load of 25 kN/m (including self weight),
definition for double type scaffolding
Q. Function of waterproof (or separation) membrane for concrete carriageway A layer of waterproof (or separation) membrane is usually placed between sub-base and concrete slab
Define the Pressure on a vertical plane Fluid pressure increases linearly with increasing depth. The average pressure on a vertical plane occurs at the average vertical depth.
How did street originate in the plumbing term street ell? Ans) A "street ell" may have gotten its name due to it describes a 90° fitting particularly useful in tight, street dit
Define Chemical Deterioration - Underwater inspection of Bridge? Chemical deterioration may occur in concrete, which has not been properly compacted, or through environmental p
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Relaxation losses in prestressing steels The relaxation losses in prestressing steels vary with type of steel, initial prestress, age, and temperature and, therefore, shall be
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