c30混凝土回弹值多少
各标号混凝土强度合格所需回弹值 混凝土 标号 0.0 C15 C20 C25 C30 C35 C40 C45 22.9 26.6 29.8 32.8 35.5 38.0 40.4 0.5 23.2 26.9 30.1 33.1 35.8 38.4 40.8 1.0 23.4 27.1 30.4 33.4 36.2 38.8 41.2 1.5 23.6 27.4 30.7 33.8 36.6 39.2 41.6 2.0 23.9 27.7 31.1 34.1 37.0 39.6 42.1 合格所需回弹值 平均炭化深度(mm) 2.5 24.1 28.0 31.4 34.5 37.3 40.0 42.5 3.0 24.4 28.1 31.7 34.8 37.7 40.4 42.9 3.5 24.6 28.5 32.0 35.2 38.1 40.8 43.4 需回弹值 弹值 (mm) 4.0 24.9 28.9 32.3 35.5 38.5 41.3 43.8 4.5 25.1 29.1 32.7 35.9 38.9 41.7 44.3 5.0 25.4 29.5 33.0 36.3 39.3 42.1 44.7 5.5 25.7 29.7 33.4 36.7 39.7 42.5 45.2 》6 25.9 30.1 33.7 37.1 40.1 43.0 45.7
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