Give the reason of desert sand never used in construction works
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Give the reason of desert sand never used in construction works
Due to salinity in desert sand. Washing become costly. OPC is used for constructions not SR cement. To avoid rust in reinforcement.
It is too fine and same sieve size, we will miss requred fine aggregate sieves in case it is in normal quality condition will the transportation cost cover the budget of the project instead of river sand availble near to construction site
Desert sand is very fine and circular in shape. To get strong bonding sharp edged sand is required with different sizes of sand.
It depends of what desert was, but along time ago there were sea where it is a desert now, so that sand has salt, and salt affects the pH concrete, so it will make a good environment to increase the corrosion.
Desert sand is largely useless to us. The overwhelming bulk of the sand we harvest goes to make concrete, and for that purpose, desert sand grains are the wrong shape. Eroded by wind rather than water, they are too smooth and rounded to lock together to form stable concrete