问答题

影响混凝土的强度的主要因素有哪些？

【参考答案】

(1)水泥强度等级和水灰比；(2)骨料条件；(3)养护条件(温度和湿度)；
(4)养护时间(龄期)；(5)试验条件对混凝土强度测定值的影响；(6)外加剂。

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