Tips for Concreting in rainy season

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Tips for Concreting in rainy season


Concreting in rainy season is one obstruction which is tackled very carefully.

Ready mix concrete gets much affected by rain if it still not reached its initial setting time. If ready mix concrete is in between its initial and final setting time than it will leave patch marks. If rain intensity is high than upper portion of ready mix concrete may get disturbed. If ready mix concrete has reached it final setting time than it turns into a source of curing of ready mix concrete.

Water content should be specified for the mixture and depends on the wetness and humidity of raw material. This water-cement ratio can be reduced by mixing suitable admixtures.

The use of hydrophilic crystalline admixtures when laying the concrete provides concrete with the resistance to infiltration of water under hydrostatic pressure. By using this admixture we can block pores and microcracks in the ready mix concrete thus preventing passage of water and this will decrease not only initial shrinkage cracks but also cracks for whole life span.

It must be remember that when pouring the ready mix concrete, weather condition should not be overly wet or windy.

Heavy winds are not suitable that cause shrinkage cracks. To avoid traffic jams and congestions, best accessible routes for RMC mixture trucks should be figured out in advance.

Plastic tarpaulins and rainproof canvas should be brought to the site in advance at the time of placing ready mix concrete. After the rainstorm tames down, assess the damage caused to the concrete surface visually. A simple scratch test can be conducted to compare the relative surface scratch hardness of areas in question to those slab sections known to be of good quality.

Minor repairs should be done immediately after rain stops.

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Blog written by

Shruti Doshi
Technical Officer – Sanghi Cement & Blogger
shruti.doshi@sanghicement.com
shrutidoshi.1492@gmail.com

Blog Managed by

Nirav Pandya
Digital Marketing Officer – Sanghi Cement
nirav.pandya@sanghicement.com


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