The directly as a construction material unless they are combined with some other inert material like aggregates. Thus, a combined material formed by mixing intimately a binding material (cement or lime) with a fine aggregate (sand or surkhi) in a certain proportion and with an adequate quantity of water is called mortar. Here lime or cement enables a proper bond to be developed among the particles, and sand adds mechanical strength to the mortar.
The properties of binding materials, lime and cement, have been discussed at length. Hence, it is necessary to know more about the fine aggregate and water to be used to get the best mortar.
Properties of mortar and their kinds along with the quality of sand and water to be added are discussed in the following sections.
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