废弃混凝土再生利用对于保护环境、减少资源与能源浪费以及实现可持续发展具有重要意义.从混凝土再生骨料对混凝土性能的影响、混凝土再生骨料的应用、提高再生混凝土性能的方法3个方面介绍了目前国内外废弃混凝土再生利用技术的研究现状.指出除了进一步加大相关试验及基础理论研究外,国家以及相关机构还应在政策、资金等方面进行支持,并建立废弃混凝土再利用的具体实施标准、规范等,最终实现废弃混凝土"零排放".
Recycling utilization of construction waste concrete is benefit to environmental protection, reducing the waste of resource and energy, carrying out sustainable development, etc. The advancement in the recycling of re-cycled concrete, such as the effection of the recycled aggregate on the recycled aggregate concrete, the application of recycled aggregate concrete and the method of improving the property of recycled aggregate concrete, etc. is introduced and prospected. The foundational theroy of recycling utilization of construction waste concrete should be further re-searched. Certain policy and fund should be supported by the government. The standard and criterion of the recycling utilization of construction waste concrete should also be founded. All these ways can lead to the "zero-emission" of the construction waste concrete.
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