摘要 关键词］正交试验；再生粗骨料；再生细骨料；再生混凝土砌块 [gap=1155]Keywords:orthogonal test; recycled coarse aggregate; recycled fine aggregate; recycled concrete block
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同时在正交试验的基础上，研究砂率对再生混凝土砌块抗压性能的影响。
On the basis of orthogonal test, the effect of sand ratio on compressive performance of recycled concrete blocks was studied.
通过试验优化了再生混凝土砌块的配合比，为再生混凝土砌块生产和推广提供依据。
Through tests the mixture ratio of recycled concrete blocks was optimized and the foundation to produce and popularize the recycled concrete blocks was provided.
利用汶川地震产生的大量建筑废物，生产再生混凝土砌块，是一种重要的资源化利用建筑废物的方式。
Using a large amount of construction waste, which was generated by Wenchuan earthquake, to produce recycled concrete blocks, is an important approach to utilize construction waste as resources.
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