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Actually, drying is not directly linked to hardness in concrete. After concrete is poured, putting it in a wet environment by spraying it constantly with water will hasten its hardening and its curing. After concrete cures, it is hard.
Common defects - bituminous roads: Cracks can be filled with a bitumen emulsion. Wide cracks can be filled with premix sand asphalt. If an overlay is to be laid on a cracke
i am facing some problem in solving the problem of elongation due to self weight suspended from fixed support in the conical bar
Explain the Shrink Factor of Soil In addition to the swell factor and its associated load factor, soil also has a shrink factor. While the first two relate the volume of an equ
Q. Calculation of crack widths arising from thermal movement In the calculation of thermal movement, the below formula is used in most codes: w max =s x a x (T 1 +T 2 )/2
Question How does an engineer determine digit of cells for concrete box girder bridges ? Answer If depth of a box girder bridge exceeds 1/6 or 1/5 of bridge width, then it is o
Determine the stage of Cracking moment of pre-stress At the stage of transfer of pre-stress in the pre-stressed beam element, only the pre-stressing force and the self weight
Explain about Lee-Mccall system
Q. What is Long Welded Rail? Long Welded Rail is a welded rail the central part of which dose not under go any longitudinal movement due to temperature variation, normally a le
Compute the stresses at top and bottom fibers in a simply supported pre-stressed concrete beam with a rectangular cross section, 250 mm wide and 450 mm deep, as shown in Figure, at
Project specifications require a relative compaction of 95% (modified Proctor). Construction of a highway embankment requires 10,000-yd 3 of fill. The borrow soil has an in-situ
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