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为了减少对石材的开采力度,以及提高对废弃混凝土的利用效率。废弃混凝土的二次利用主要是对混凝土碎块进行破碎、筛分、分级与清洗,然后得到再生骨料,而二次利用到混凝土混合料配比中,提高了混凝土废料的利用效率,减少了废弃混凝土占地面积,为国家的建筑行业的发展提供了动力。但是废弃混凝土再生的骨料,其吸水率较大、且表面包裹了水泥砂浆,从而导致再生混凝土的力学性能与普通混凝土存在一定差异。而混凝土保温砌块对骨料的要求较低,混凝土再生骨料可以广泛
In order to reduce the exploitation of stone, as well as improve the utilization of waste concrete efficiency. The secondary use of waste concrete is mainly to crush, sieve, classify and clean concrete fragments, and then get recycled aggregates. However, secondary utilization of concrete mixes increases the utilization efficiency of concrete wastes and reduces the Abandoned concrete floor space provides the impetus for the country's construction industry. However, the recycled aggregates of waste concrete have a higher water absorption rate and the surface is coated with cement mortar, resulting in some differences between the mechanical properties of recycled concrete and ordinary concrete. The concrete insulation block lower aggregate requirements, recycled aggregate concrete can be wide