将碎砖作为混凝土的粗骨料，能够减少污染和减少天然骨料的使用。
Using cracked brick as coarse aggregate in concrete can reduce pollution and decrease the usage of natural aggregate.
倡导用碎砖做混凝土骨料，保护生态环境。
It calls for using waste brick as aggregate of concrete to protect environment.
本文分别进行了利用碎混凝土块、碎砖块作为粗骨料的再生混凝土配合比的试验研究。
In this paper, the test results of mixture ratio of the concrete using recycled aggregates (crushed concrete rubbles or crushed bricks) are given.
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