Table 3 Compressive Strength Data for Concrete Cubes at Different Ages(MPa).

From: Deep neural network-enhanced prediction and carbon footprint analysis of early-age high-performance manufactured sand concrete’s stress–strain behavior

Group

Age

2 d

3 d

4 d

5 d

6 d

7 d

14 d

28 d

G-1

39.9

45.6

48.9

52.5

54.3

58.9

61.6

65.5

G-2

37.7

41.3

46.9

50.8

52.9

54.1

59.3

62.8

G-3

35.1

38.0

42.2

50.5

53.1

54.8

59.5

62.3

G-4

34.7

41.0

45.3

47.4

48.7

52.3

54.6

56.9

G-5

37.8

40.3

41.5

45.2

47.1

53.5

54.1

55.7

G-6

28.2

29.3

31.7

40.4

40.6

42.5

49.0

55.3

G-7

25.1

31.5

37.9

42.3

46.4

47.8

48.7

56.7

G-8

24.6

30.2

36.3

42.2

44.5

46.1

48.4

55.9

G-9

23.3

27.5

33.2

38.5

41.0

44.2

48.3

51.7

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