After the construction of concrete is completed, it takes a long time to maintain the period, but often after the maintenance period, there will still
Бетон: is a collective term for engineering composites made of cementitious materials that glue aggregates into a whole. The term concrete is usually used to
Cement concrete is a porous system, these pores will directly affect the performance and service life of concrete, so in the preparation of concrete will
Classification by cementitious materials Inorganic cementitious material concrete, such as cement concrete, gypsum concrete, silicate concrete, water glass concrete, etc; Organic cementitious material concrete, such
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