弃混凝土路面板在道路改建中的再利用

水泥混凝土道路改建时废弃混凝土的再利用，可以降低工程造价，又利于环境保护。采用室内试验方法，测定了废弃混凝土作为再生集料的路用性能指标，并与规范要求进行对比，指标达到了规范要求。试验路应用结果表明，再生集料能够满足在半刚性基层或水泥混凝土中应用时的技术要求，再生集料混凝土除耐磨性稍差之外，其他方面与普通混凝土无明显差别。

Reuse of scrap concrete slab in highway reconstruction

When reconstructing road on old line, the reuse of waste concrete has a great meaning for environment and construction cost. The physical and mechanical parameters of regenerated concrete that is based on waste concrete were measured. The parameters can reach the demand of standards. The testing road operation shows that the regenerated concrete can be used as semi-rigid base materials. Compared with common concrete, the anti-wear feature of regenerated concrete is not good enough, its other parameters have no difference. 9 tabs, 1 fig, 5 refs.