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8d
探讨粗骨料粒径对C80混凝土性能的影响
数据显示,随着粗骨料粒径进一步增大,C80高强混凝土的抗压强度呈现出先升后降的趋势。具体而言,较大的粒径的使用在初期可能因级配良好而提升混凝土强度,但若继续增大粒径,则存在的微观缺陷和裂纹会显著影响强度。因此,最大粒径应控制在20mm以内,推荐使用5-16mm的连续级配颗粒。
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