Everything Related to Civil Engineering.
Curing of Concrete f) Curing The process of keeping the concrete moist or wet for certain time period after finishing & setting is called curing. Concrete is cured for minimum 7-10 days normally in order to: 1- Complete the hydration Continue reading Curing of Concrete
What is Concrete What is Concrete ? Concrete is the mixture of cement, coarse aggregate, fine aggregate and water in specific proportions. Concrete is relatively a brittle material —– its tensile strength is very small as compared with its compressive Continue reading What is Concrete
Properties of Stone Aggregates Sand, gravel and crushed stone fall into this category and make up a large percentage of the aggregates used in concrete. Since they generally constitute from 60 to 80 percent of the volume of concrete, their Continue reading Properties of Stone Aggregates
Impurities in Sand • Impurities are always undesirable in sands. They reduce the strength of concrete and mortar. Since it is impossible to have sand without impurities. Therefore maximum 6% impurities are permissible. • Clay, silt, salts, mica and organic Continue reading Impurities in Sand