Concrete and concrete additives.

For many centuries, a person faced a difficult question: what materials for such, of course, complex structures, such as bridges, dams or houses — subsequently high -altitude? Reinforced concrete solved this problem. In fact, it is difficult to imagine a more plastic, convenient and durable material that would be also difficult to give in to corrosion. Chemical additives make concrete literally intellectual material, which will fully meet the requested requirements. For example, bridges experience not only the actual load — from passing cars, trains or walking people. Of great importance is that the material from which the bridge is designed is constantly exposed to wind, rain, temperature changes, wind. Only reinforced concrete meets high requirements for strength and plasticity in the construction of bridges.