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混凝土是以胶结材料、石子、砂子等建筑材料按比例搅拌均匀,经过养生硬化形成的人工石材。由于具有强度较高和耐久性好特点,混凝土结构被广泛应用于国民经济建设的各个领域,混凝土也成为最重要的建筑材料之一。混凝土具有较高强度的原因在于水泥中所含的活性物质(主要是硅酸钙和少量石膏等)在遇水后进行水化,使颗粒解体,重新化合产生新的粘结物。由于这种水化物具有较
Concrete is cementing materials, stones, sand and other building materials in proportion to the uniform mixing, after curing health stone formed. Due to its high strength and durability, concrete structures are widely used in various fields of national economic construction. Concrete has also become one of the most important building materials. The reason for the higher strength of concrete is that the active substances contained in the cement (mainly calcium silicate and a small amount of gypsum, etc.) are hydrated after water contact, causing the particles to disintegrate and recombine to produce new binders. Because of this hydrate has more