（1）關于再生粗骨料的研究大都集中在40 mm以下粒徑，與常規粒徑的再生粗骨料相比，粒徑超過40 mm的再生大骨料破碎簡單、耗能低，易獲取，而相關研究相對較少。因此，對于再生大骨料及再生混凝土的研究，具有一定的創新性。
（2）再生粗骨料改性強化主要有物理方法和化學方法兩種，但這兩種方法都存在不足之處。對于物理改性，可以在減少工藝流程及減低機械耗能方面多做研究；而化學改性可以考慮廉價高效、節能環保的高質量強化試劑。
（3）再生粗骨料的性能往往會影響再生混凝土的性能，而對于再生混凝土，多是力學性能、耐久性性能等宏觀方面的研究，而微觀方面的研究相對較少。目前，國內外關于再生混凝土研究的相關技術已經很成熟，但在微觀和宏觀結合層面的研究還有一定的欠缺。
（4）對于再生混凝土及改性再生混凝土，國內外的研究大都只考慮單一影響因素，而實際應用中，再生混凝土往往受到多因素的耦合作用。不同因素對再生混凝土的影響也不盡相同，相對于再生混凝土的組成，影響因素具有多樣性。因此，對這方面進行研究將具有深遠意義。

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甘福,周脈席,濮琦.再生粗骨料及再生混凝土性能研究進展[J].混凝土與水泥制品,2018(9):102-107.

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