Nowadays, one of the ways to improve the mechanical properties and durability of conventional concrete is adding useful and non-pathogenic bacteria to fresh concrete which can produce calcium carbonate during a bacterial process in the fine natural pores in ...
Concrete is an important building material used for construction works. It is mainly used in heavy constructions because of its strength and durability. No matter how carefully the concrete is mixed , eventually ends up in cracking at some points. ...
Zist Yar Varena Company(Private Joint Stock Company) was established in 2014 and has started its activity in the field of production, research and development of modern concrete admixtures in the civil industry and It intends to take steps to improve the quality of concrete and move towards sustainable development by cooperating with the national and international researches and academic centers by using the latest technologies in the world.
