Karakteristik Mortar Kerang Di Lingkungan Nacl

ABSTRACT Mortar is a material commonly used in construction. One of the main materials of mortar is sand. Riau Province is one of the areas that produce river sand and sea sand, but river sand and sea sand are rarely used because of their poor characteristics, besides that it is known that mortar with river sand and sea sand has low resistance when exposed to a salty environment. Several s…