测区混凝土强度换算表 回弹法检测混凝土抗压强度技术规程JGJT23-2011

测区混凝土强度换算表

平均回弹值Rm

测区混凝土强度换算值)

(

,

MPa

f c

i

cu

平均碳化深度值dm (mm)

0 0..5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ≥6

20.0 10.3 10.1

20.2 10.5 10.3 10.0

20.4 10.7 10.5 10.2

20.6 11.0 10.8 10.4 10.1

20.8 11.2 11.0 10.6 10.3

21.0 11.4 11.2 10.8 10.5 10.0

21.2 11.6 11.4 11.0 10.7 10.2

21.4 11.8 11.6 11.2 10.9 10.4 10.0

21.6 12.0 11.8 11.4 11.0 10.6 10.2

21.8 12.3 12.1 11.7 11.3 10.8 10.5 10.1

22.0 12.5 12.2 11.9 11.5 11.0 10.6 10.2

22.2 12.7 12.4 12.1 11.7 11.2 10.8 10.4 10.0

22.4 13.0 12.7 12.4 12.0 11.4 11.0 10.7 10.3 10.0

22.6 13.2 12.9 12.5 12.1 11.6 11.2 10.8 10.4 10.2

22.8 13.4 13.1 12.7 12.3 11.8 11.4 11.0 11.6 10.3

23.0 13.7 13.4 13.0 12.6 12.1 11.6 11.2 10.8 10.5 10.1

23.2 13.9 13.6 13.2 12.8 12.2 11.8 11.4 11.0 10.7 10.6 10.0

23.4 14.1 13.8 13.4 13.0 12.4 12.0 11.6 11.2 10.9 10.4 10.2

23.6 14.4 14.1 13.7 13.2 12.7 12.2 11.8 11.4 11.1 10.7 10.4 10.1

23.8 14.6 14.3 13.9 13.4 12.8 12.4 12.0 11.5 11.2 10.8 10.5 10.2

24.0 14.9 14.6 14.2 13.7 13.1 12.7 12.2 11.8 11.5 11.0 10.7 10.4 10.1 24.2 15.1 14.8 14.3 13.9 13.3 12.8 12.4 11.9 11.6 11.2 10.9 10.6 10.3 24.4 15.4 15.1 14.6 14.2 13.6 13.1 12.6 12.2 11.9 11.4 11.1 10.8 10.4 24.6 15.6 15.3 14.8 14.4 13.7 13.3 12.8 12.3 12.0 11.5 11.2 10.9 10.6

24.8 15.9 15.6 15.1 14.6 14.0 13.5 13.0 12.6 12.2 11.8 11.4 11.1 10.7

25.0 16.2 15.9 15.4 14.9 14.3 13.8 13.3 12.8 12.5 12.0 11.7 11.3 10.9 25.2 16.4 16.1 15.6 15.1 14.4 13.9 13.4 13.0 12.6 12.1 11.8 11.5 11.0 25.4 16.7 16.4 15.9 15.4 14.7 14.2 13.7 13.2 12.9 12.4 12.0 11.7 11.2 25.6 16.9 16.6 16.1 15.7 14.9 14.4 13.9 13.4 13.0 12.5 12.2 11.8 11.3

25.8 17.2 16.9 16.3 15.8 15.1 14.6 14.1 13.6 13.2 12.7 12.4 12.0 11.5

26.0 17.5 17.2 16.6 16.1 15.4 14.9 14.4 13.8 13.5 13.0 12.6 12.2 11.6 26.2 17.8 17.4 16.9 16.4 15.7 15.1 14.6 14.0 13.7 13.2 12.8 12.4 11.8 26.4 18.0 17.6 17.1 16.6 15.8 15.3 14.8 14.2 13.9 13.3 13.0 12.6 12.0 26.6 18.3 17.9 17.4 16.8 16.1 15.6 15.0 14.4 14.1 13.5 13.2 12.8 12.1

26.8 18.6 18.2 17.7 17.1 16.4 15.8 15.3 14.6 14.3 13.8 13.4 12.9 12.3

27.0 18.9 18.5 18.0 17.4 16.6 16.1 15.5 14.8 14.6 14.0 13.6 13.1 12.4 27.2 19.1 18.7 18.1 17.6 16.8 16.2 15.7 15.0 14.7 14.1 13.8 13.3 12.6

平均回弹值Rm

测区混凝土强度换算值)

(

,

MPa

f c

i

cu

平均碳化深度值dm (mm)

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ≥6

27.4 19.4 19.0 18.4 17.8 17.0 16.4 15.9 15.2 14.9 14.3 14.0 13.4 12.7 27.6 19.7 19.3 18.7 18.0 17.2 16.6 16.1 15.4 15.1 14.5 14.1 13.6 12.9

27.8 20.0 19.6 19.0 18.2 17.4 16.8 16.3 15.6 15.3 14.7 14.2 13.7 13.0

28.0 20.3 19.7 19.2 18.4 17.6 17.0 16.5 15.8 15.4 14.8 14.4 13.9 13.2 28.2 20.6 20.0 19.5 18.6 17.8 17.2 16.7 16.0 15.6 15.0 14.6 14.0 13.3 28.4 20.9 20.3 19.7 18.8 18.0 17.4 16.9 16.2 15.8 15.2 14.8 14.2 13.5 28.6 21.2 20.6 20.0 19.1 18.2 17.6 17.1 16.4 16.0 15.4 15.0 14.3 13.6

28.8 21.5 20.9 20.2 19.4 18.5 17.8 17.3 16.6 16.2 15.6 15.2 14.5 13.8

29.0 21.8 21.1 20.5 19.6 18.7 18.1 17.5 16.8 16.4 15.8 15.4 14.6 13.9 29.2 22.1 21.4 20.8 19.9 19.0 18.3 17.7 17.0 16.6 16.0 15.6 14.8 14.1 29.4 22.4 21.7 21.1 20.2 19.3 18.6 17.9 17.2 16.8 16.2 15.8 15.0 14.2 29.6 22.7 22.0 21.3 20.4 19.5 18.8 18.2 17.5 17.0 16.4 16.0 15.1 14.4

29.8 23.0 22.3 21.6 20.7 19.8 19.1 18.4 17.7 17.2 16.6 16.2 15.3 14.5

30.0 23.3 22.6 21.9 21.0 20.0 19.3 18.6 17.9 17.4 16.8 16.4 15.4 14.7 30.2 23.6 22.9 22.2 21.2 20.3 19.6 18.9 18.2 17.6 17.0 16.6 15.6 14.9 30.4 23.9 23.2 22.5 21.5 20.6 19.8 19.1 18.4 17.8 17.2 16.8 15.8 15.1 30.6 24.3 23.6 22.8 21.9 20.9 20.2 19.4 18.7 18.0 17.5 17.0 16.0 15.2

30.8 24.6 23.9 23.1 22.1 21.2 20.4 19.7 18.9 18.2 17.7 17.2 16.2 15.4

31.0 24.9 24.2 23.4 22.4 21.4 20.7 19.9 19.2 18.4 17.9 17.4 16.4 15.5 31.2 25.2 24.4 23.7 22.7 21.7 20.9 20.2 19.4 18.6 18.1 17.6 16.6 15.7 31.4 25.6 24.8 24.1 23.0 22.0 21.2 20.5 19.7 18.9 18.4 17.8 16.9 15.8 31.6 25.9 25.1 24.3 23.3 22.3 21.5 20.7 19.9 19.2 18.6 18.0 17.1 16.0

31.8 26.2 25.4 24.6 23.6 22.5 21.7 21.0 20.2 19.4 18.9 18.2 17.3 16.2

32.0 26.5 25.7 24.9 23.9 22.8 22.0 21.2 20.4 19.6 19.1 18.4 17.5 16.4 32.2 26.9 26.1 25.3 24.2 23.1 22.3 21.5 20.7 19.9 19.4 18.6 17.7 16.6 32.4 27.2 26.4 25.6 24.5 23.4 22.6 21.8 20.9 20.1 19.6 18.8 17.9 16.8 32.6 27.6 26.8 25.9 24.8 23.7 22.9 22.1 20.4 21.3 20.4 19.9 18.1 17.0

32.8 27.9 27.1 26.2 25.1 24.0 23.2 22.3 21.5 20.6 20.1 19.2 18.3 17.2

33.0 28.2 27.4 26.5 25.4 24.3 23.4 22.6 21.7 20.9 20.3 19.4 18.5 17.4 33.2 28.6 27.7 26.8 25.7 24.6 23.7 22.9 22.0 21.2 20.5 19.6 18.7 17.6 33.4 28.9 28.0 27.1 26.0 24.9 24.0 23.1 22.3 21.4 20.7 19.8 18.9 17.8 33.6 29.3 28.4 27.4 26.4 25.2 24.2 23.3 22.6 21.7 20.9 20.0 19.1 18.0

33.8 29.6 28.7 27.7 26.6 25.4 24.4 23.5 22.8 21.9 21.1 20.2 19.3 18.2

34.0 30.0 29.1 28.0 26.8 25.6 24.6 23.7 23.0 22.1 21.3 20.4 19.5 18.3 34.2 30.3 29.4 28.3 27.0 25.8 24.8 23.9 23.2 22.3 21.5 20.6 19.7 18.4 34.4 30.7 29.8 28.6 27.2 26.0 25.0 24.1 23.4 22.5 21.7 20.8 19.8 18.6 34.6 31.1 30.2 28.9 27.4 26.2 25.2 24.3 23.6 22.7 21.9 21.0 20.0 18.8 34.8 31.4 30.5 29.2 27.6 26.4 25.4 24.5 23.8 22.9 22.1 21.2 20.2 19.0

平均回弹值Rm

测区混凝土强度换算值)

(

,

MPa

f c

i

cu

平均碳化深度值dm (mm)

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ≥6

35.0 31.8 30.8 29.6 28.0 26.7 25.8 24.8 24.0 23.2 22.3 21.4 20.4 19.2 35.2 32.1 31.1 29.9 28.2 27.0 26.0 25.0 24.2 23.4 22.5 21.6 20.6 19.4 35.4 32.5 31.5 30.2 28.6 27.3 26.3 25.4 24.4 23.7 22.8 21.8 20.8 19.6 35.6 32.9 30.9 30.6 29.0 27.6 26.6 25.7 24.7 24.0 23.0 22.0 21.0 19.8

35.8 33.3 32.3 31.0 29.3 28.0 27.0 26.0 25.0 24.3 23.3 22.2 21.2 20.0

36.0 33.6 32.6 31.2 29.6 28.2 27.2 26.2 25.2 24.5 23.5 22.4 21.4 20.2 36.2 34.0 33.0 31.6 29.9 28.6 27.5 26.5 25.5 24.8 23.8 22.6 21.6 20.4 36.4 34.4 33.4 32.0 30.3 28.9 27.9 26.8 25.8 25.1 24.1 22.8 21.8 20.6 36.6 34.8 33.8 32.4 30.6 29.2 28.2 27.1 26.1 25.4 24.4 23.0 22.0 20.9

36.8 35.2 34.1 32.7 31.0 29.6 28.5 27.5 26.4 25.7 24.6 23.2 22.2 21.1

37.0 35.5 34.4 33.0 31.2 29.8 28.8 27.7 26.6 25.9 24.8 23.4 22.4 21.3 37.2 35.9 34.8 33.4 31.6 30.2 29.1 28.0 26.9 26.2 25.1 23.7 22.6 21.5 37.4 36.3 35.2 33.8 31.9 30.5 29.4 28.3 27.2 26.5 25.4 24.0 22.9 21.8 37.6 36.7 35.6 34.1 32.3 30.8 29.7 28.6 27.5 26.8 25.7 24.2 23.1 22.0

37.8 37.1 36.0 34.5 32.6 31.2 30.0 28.9 27.8 27.1 26.0 24.5 23.4 22.3

38.0 37.5 36.4 34.9 33.0 31.5 30.3 29.2 28.1 27.4 26.2 24.8 23.6 22.5 38.2 37.9 36.8 35.2 33.4 31.8 30.6 29.5 28.4 27.7 26.5 25.0 23.9 22.7 38.4 38.3 37.2 35.6 33.7 32.1 30.9 29.8 28.7 28.0 26.8 25.3 24.1 23.0 38.6 38.7 37.5 36.0 34.1 32.4 31.2 30.1 29.0 28.3 27.0 25.5 24.4 23.2

38.8 39.1 37.9 36.4 34.4 32.7 31.5 30.4 29.3 28.5 27.2 25.8 24.6 23.5

39.0 39.5 38.2 36.7 34.7 33.0 31.8 30.6 29.6 28.8 27.4 26.0 24.8 23.7 39.2 39.9 38.5 37.0 35.0 33.3 32.1 30.8 29.8 29.0 27.6 26.2 25.0 24.0 39.4 40.3 38.8 37.3 35.3 33.6 32.4 31.0 30.0 29.2 27.8 26.4 25.2 24.2 39.6 40.7 39.1 37.6 35.6 33.9 32.7 31.2 30.2 29.2 28.8 26.6 25.4 24.4

39.8 41.2 39.6 38.0 35.9 34.2 33.0 31.4 30.5 29.7 28.2 26.8 25.6 24.7

40.0 41.6 39.9 38.3 36.2 34.5 33.3 31.7 30.8 30.0 28.4 27.0 25.8 25.0 40.2 42.0 40.3 38.6 36.5 34.8 33.6 32.0 31.1 30.2 28.6 27.3 26.0 25.2 40.4 42.4 40.7 39.0 36.9 35.1 33.9 32.3 31.4 30.5 28.8 27.6 26.2 25.4 40.6 42.8 41.1 39.4 37.2 35.4 34.2 32.6 31.7 30.8 29.1 27.8 26.5 25.7

40.8 43.3 41.6 39.8 37.7 32.7 34.5 32.9 32.0 31.2 29.4 28.1 26.8 26.0

41.0 43.7 42.0 40.2 38.0 36.0 34.8 33.2 32.3 31.5 29.7 28.4 27.1 26.2 41.2 44.1 42.3 40.6 38.4 36.3 35.1 33.5 32.6 31.8 30.0 28.7 27.3 26.5 41.4 44.5 42.7 40.9 38.7 36.6 35.4 33.8 32.9 32.0 30.3 28.9 276 26.7 41.6 45.0 43.2 41.4 39.2 36.9 35.7 34.2 33.3 32.4 30.6 29.2 27.9 27.2

41.8 45.4 43.6 41.4 39.5 37.2 36.0 34.5 33.6 32.7 30.9 29.5 28.1 27.2

42.0 45.9 44.1 42.2 39.9 37.6 36.3 34.9 34.0 33.0 31.2 29.8 28.5 27.5 42.2 46.3 44.4 42.6 40.3 38.0 36.6 35.2 34.3 33.3 31.5 30.1 28.7 27.8 42.4 46.7 44.8 43.0 40.6 38.3 36.9 35.5 34.6 33.6 31.8 30.4 29.0 28.0

平均回弹值Rm

测区混凝土强度换算值)

(

,

MPa

f c

i

cu

平均碳化深度值dm (mm)

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ≥6

42.6 47.2 45.3 43.4 41.1 38.7 37.3 35.9 34.9 34.0 32.1 30.7 29.3 28.3

42.8 47.6 45.7 43.8 41.4 39.0 37.6 36.2 35.2 34.3 32.4 30.9 29.5 28.6

43.0 48.1 46.2 44.2 41.8 39.4 28.0 36.6 35.6 34.6 32.7 31.3 29.8 28.9 43.2 48.5 46.6 44.6 42.2 39.8 38.3 36.9 35.9 34.9 33.0 31.5 30.1 29.1 43.4 49.0 47.0 45.1 42.6 40.2 38.7 37.2 36.3 35.3 33.3 31.8 30.4 29.4 43.6 49.4 47.4 45.4 43.0 40.5 39.0 37.5 36.6 35.6 33.6 32.1 30.6 29.6

43.8 49.9 47.9 45.9 43.4 40.9 39.4 37.9 36.9 35.9 33.9 32.4 30.9 29.9

44.0 50.4 48.4 46.4 43.8 41.3 39.8 38.3 37.3 36.3 34.3 32.8 31.2 30.2 44.2 50.8 48.8 46.7 44.2 41.7 40.1 38.6 37.6 36.6 34.5 33.0 31.5 30.5 44.4 51.3 49.2 47.2 44.6 42.1 40.5 39.0 38.0 36.9 34.9 33.3 31.8 30.8 44.6 51.7 49.6 47.6 45.0 42.4 40.8 39.3 38.3 37.2 35.2 33.6 32.1 31.0

44.8 52.2 50.1 48.0 45.4 42.8 41.2 39.7 38.6 37.6 35.5 33.9 32.4 31.3

45.0 52.7 50.6 58.5 45.8 43.2 41.6 40.1 39.0 37.9 35.8 34.4 32.7 31.6 45.2 53.2 51.1 48.9 46.3 43.6 42.0 40.4 39.4 38.3 36.2 34.6 33.0 31.9 45.4 53.6 51.5 49.4 46.6 44.0 42.3 40.7 39.7 38.6 36.4 34.8 33.2 32.2 45.6 54.1 51.9 49.8 47.1 44.4 42.7 41.1 40.0 39.0 36.8 35.2 33.5 32.5

45.8 54.6 52.4 50.2 47.5 44.8 43.1 41.5 40.4 39.3 37.1 35.5 33.9 32.8

46.0 55.0 52.8 50.6 47.9 45.2 43.5 41.9 40.8 39.7 37.5 35.8 34.2 33.1 46.2 55.5 53.3 51.1 48.3 45.5 43.8 42.2 41.1 40.0 37.7 36.1 34.4 33.3 46.4 56.0 53.8 51.5 48.7 45.9 44.2 42.6 41.4 40.3 38.1 36.4 34.7 33.6 46.6 56.5 54.2 52.0 49.2 46.3 44.6 42.9 41.8 40.7 38.4 36.7 35.0 33.9

46.8 57.0 54.5 52.4 49.6 46.7 45.0 43.3 42.2 41.0 38.8 37.0 35.3 34.2

47.0 57.5 55.2 52.9 50.0 47.2 45.2 43.7 42.6 41.4 39.1 37.4 35.6 34.5 47.2 58.0 55.7 53.4 50.5 47.6 45.8 44.1 42.9 41.8 39.4 37.7 36.0 34.8 47.4 58.5 56.2 53.8 50.9 48.0 46.2 44.5 43.3 42.1 39.8 38.0 36.3 35.1 47.6 59.0 56.6 54.3 51.3 48.4 46.6 44.8 43.7 42.5 40.1 38.4 36.6 35.4

47.8 59.5 57.1 54.7 51.8 48.8 47.0 45.2 44.0 42.8 40.5 38.7 36.9 35.7

48.0 60.0 57.6 55.2 52.2 49.2 47.4 45.6 44.4 43.2 40.8 39.0 37.2 36.0 48.2 58.0 55.7 52.6 49.6 47.8 46.0 44.8 43.6 41.1 39.3 37.5 36.3 48.4 58.6 56.1 53.1 50.0 48.2 46.4 45.1 43.9 41.5 39.6 37.8 36.6 48.6 59.0 56.6 53.5 50.4 48.6 46.7 45.5 44.3 41.8 40.0 38.1 36.9

48.8 59.5 57.1 54.0 50.9 49.0 47.1 45.9 44.6 42.2 40.3 38.4 37.2

49.0 60.0 57.5 54.4 51.3 49.4 47.5 46.2 45.0 42.5 40.6 38.8 37.5 49.2 58.0 54.8 51.7 49.8 47.9 46.6 45.4 42.8 41.0 39.1 37.8 49.4 58.5 55.3 52.1 50.2 48.3 47.1 45.8 43.2 41.3 39.4 38.2 49.6 58.9 55.7 52.5 50.6 48.7 47.4 46.2 43.6 41.7 39.7 38.5

49.8 59.4 56.2 53.3 51.0 49.1 47.8 46.5 43.9 42.0 40.1 38.8

50.0 59.9 56.7 53.4 51.4 49.5 48.2 46.9 44.3 42.3 40.4 39.1

平均回弹值Rm

测区混凝土强度换算值)

(

,

MPa

f c

i

cu

平均碳化深度值dm (mm)

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ≥6

50.2 57.1 53.8 51.9 49.9 48.5 47.2 44.6 42.6 40.7 39.4 50.4 57.6 54.3 52.3 50.3 49.0 47.7 45.0 43.0 41.0 39.7 50.6 58.0 54.7 52.7 50.7 49.4 48.0 45.4 43.4 41.4 40.0

50.8 58.5 55.1 53.1 51.1 49.8 48.4 45.7 43.7 41.7 40.3

51.0 59.0 55.6 53.5 51.5 50.1 48.8 46.1 44.1 42.0 40.7 51.2 59.4 56.0 54.0 51.9 50.5 49.2 46.4 44.4 42.3 41.0 51.4 59.9 56.4 54.4 52.3 50.9 49.6 46.8 44.7 42.7 41.3 51.6 56.9 54.8 52.7 51.3 50.0 47.2 45.1 43.0 41.6

51.8 57.3 55.2 53.1 51.7 50.3 47.5 45.4 43.3 41.8

52.0 57.8 55.7 53.6 52.1 50.7 47.9 45.8 43.7 42.3 52.2 58.2 56.1 54.0 52.5 51.1 48.3 46.2 44.0 42.6 52.4 58.7 56.5 54.4 53.0 51.5 48.7 46.5 44.4 43.0 52.6 59.1 57.0 54.8 53.4 51.9 49.0 46.9 44.7 43.3

52.8 59.6 57.4 55.2 53.8 52.3 49.4 47.3 45.1 43.6

53.0 60.0 57.8 55.6 54.2 52.7 49.8 47.6 45.4 43.9 53.2 58.3 56.1 54.6 53.1 50.2 48.0 45.8 44.3 53.4 58.7 56.5 55.0 53.5 50.5 48.3 46.1 44.6 53.6 59.2 56.9 55.4 53.9 50.9 48.7 46.4 44.9

53.8 59.6 57.3 55.8 54.3 51.3 49.0 46.8 45.3

54.0 57.8 56.3 54.7 51.7 49.4 47. 48.6 54.2 58.2 56.7 55.1 52.1 49.8 47.5 46.0 54.4 58.6 57.1 55.6 52.5 50.2 47.9 46.3 54.6 59.1 57.5 56.0 52.9 50.5 48.2 46.6

54.8 59.5 57.9 56.4 53.2 50.9 58.5 47.0

55.0 59.9 58.4 56.8 53.6 51.3 48.9 47.3 55.2 58.8 57.2 54.0 51.6 49.3 47.7 55.4 59.2 57.6 54.4 52.0 49.6 48.0 55.6 59.7 58.0 54.8 52.4 50.0 48.4

55.8 58.5 55.2 52.8 50.3 48.7

56.0 58.9 55.6 53.2 50.7 49.1 56.2 59.3 56.0 53.5 51.1 49.4 56.4 59.7 56.4 53.9 51.4 49.8 56.6 56.8 54.3 51.8 50.1

56.8 57.2 54.7 52.2 50.5

57.0 57.6 55.1 52.5 50.8 57.2 58.0 55.5 52.9 51.2 57.4 58.4 55.9 53.3 51.6 57.6 58.9 56.3 53.7 51.9

平均回弹值Rm

测区混凝土强度换算值)

(

,

MPa

f c

i

cu

平均碳化深度值dm (mm)

0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 ≥6

57.8 59.3 56.7 54.0 52.3

58.0 59.7 57.0 54.4 52.7 58.2 57.4 54.8 53.0 58.4 57.8 55.2 53.4 58.6 58.2 55.6 53.8

58.8 58.6 55.9 54.1

59.0 59.0 56.3 54.5 59.2 59.4 56.7 54.9 59.4 59.8 57.1 55.2 59.9 57.5 55.6

59.8 57.9 56.0

60.0 58.3 56.4

泵送混凝土测区混凝土强度换算值的修正值

碳化深度值(mm)抗压强度

(MPa)

0.1;0.5;1.0 f c

cu

(MPa)

≤40.045.0 50.0 55.0~60.0 K(MPa)+4.5 +3.0 +1.5 0.0

1.5;

2.0

)

(MPa

f c

cu≤30.035.0 40.0~60.0 K(MPa)+3.0 +1.5 0.0

注:表中未列入的f c i cu,值可用内插法求得其修正值,精确至0.1MPa。

非水平状态检测时的回弹值修正值

Rma

检测角度

向上向下900600450300—30 -45 -60 -90

20 -6.0 -5.0 -4.0 -3.0 +2.5 +3.0 +3.5 +4.0

21 -5.9 -4.9 -4.0 -3.0 +2.5 +3.0 +3.5 +4.0

22 -5.8 -4.8 -3.9 -2.9 +2.4 +2.9 +3.4 +3.9

23 -5.7 -4.7 -3.9 -2.9 +2.4 +2.9 +3.4 +3.9

24 -5.6 -4.6 -3.8 -2.8 +2.3 +2.8 +3.3 +3.8

25 -5.5 -4.5 -3.8 -2.8 +2.3 +2.8 +3.3 +3.8

26 -5.4 -4.4 -3.7 -2.7 +2.2 +2.7 +3.2 +3.7

27 -5.3 -4.3 -3.7 -2.7 +2.2 +2.7 +3.2 +3.7

28 -5.2 -4.2 -3.6 -2.6 +2.1 +2.6 +3.1 +3.6

29 -5.1 -4.1 -3.6 -2.6 +2.1 +2.6 +3.1 +3.6

30 -5.0 -4.0 -3.5 -2.5 +2.0 +2.5 +3.0 +3.5

31 -4.9 -4.0 -3.5 -2.5 +2.0 +2.5 +3.0 +3.5

32 -4.8 -3.9 -3.4 -2.4 +1.9 +2.4 +2.9 +3.4

33 -4.7 -3.9 -3.4 -2.4 +1.9 +2.4 +2.9 +3.4

34 -4.6 -3.8 -3.3 -2.3 +1.8 +2.3 +2.8 +3.3

35 -4.5 -3.8 -3.3 -2.3 +1.8 +2.3 +2.8 +3.3

36 -4.4 -3.7 -3.2 -2.2 +1.7 +2.2 +2.7 +3.2

37 -4.3 -3.7 -3.2 -2.2 +1.7 +2.2 +2.7 +3.2

38 -4.2 -3.6 -3.1 -2.1 +1.6 +2.1 +2.6 +3.1

39 -4.1 -3.6 -3.1 -2.1 +1.6 +2.1 +2.6 +3.1

40 -4.0 -3.5 -3.0 -2.0 +1.5 +2.0 +2.5 +3.0

41 -4.0 -3.5 -3.0 -2.0 +1.5 +2.0 +2.5 +3.0

42 -3.9 -3.4 -2.9 -1.9 +1.4 +1.9 +2.4 +2.9

43 -3.9 -3.4 -2.9 -1.9 +1.4 +1.6 +2.4 +2.9

44 -3.8 -3.3 -2.8 -1.8 +1.3 +1.8 +2.3 +2.8

45 -3.8 -3.3 -2.8 -1.8 +1.3 +1.8 +2.3 +2.8

46 -3.7 -3.2 -2.7 -1.7 +1.2 +1.7 +2.2 +2.7

47 -3.7 -3.2 -2.7 -1.7 +1.2 +1.7 +2.2 +2.7

48 -3.6 -3.1 -2.6 -1.6 +1.1 +1.6 +2.1 +2.6

49 -3.6 -3.1 -2.6 -1.6 +1.1 +1.6 +2.1 +2.6

50 -3.5 -3.0 -2.5 -1.5 +1.0 +1.5 +2.0 +2.5 注:①Rma小于20或大于50时,均分别按20或50查表;

2 表中未列入的相应于Rma的修正值Rma,可用内插法求得,精确至0.1。

不同浇筑面的回弹值修正值

R t m或R b m

表面修正值

(R t

a )

底面修正值

(R b

a

R t m或R b m

表面修正值

(R t

a

底面修正值

(R b

a

20 +2.5 -3.0 36 +0.9 -1.4

21 +2.4 -2.9 37 +0.8 -1.3

22 +2.3 -2.8 38 +0.7 -1.2

23 +2.2 -2.7 39 +0.6 -1.1

24 +2.1 -2.6 40 +0.5 -1.0

25 +2.0 -2.5 41 +0.4 -0.9

26 +1.9 -2.4 42 +0.3 -0.8

27 +1.8 -2.3 43 +0.2 -0.7

28 +1.7 -2.2 44 +0.1 -0.6

29 +1.6 -2.1 45 0 -0.5

30 +1.5 -2.0 46 0 -0.4

31 +1.4 -1.9 47 0 -0.3

32 +1.3 -1.8 48 0 -0.2

续表 33 +1.2 -1.7 49 0 -0.1 34 +1.1 -1.6 50 0 0 35 +1.0

-1.5

注:1

R

t m

R

b m

小于20或大于50时,均分别按20或50查表;

2 表中有关混凝土浇筑表面的修正系数,是指一般原浆抹面的修正值;

3 表中有关混凝土浇筑底面的修正系数,是指构件底面与侧面采用同一类摸板在正常浇筑情况下 的修正值。

4 表中未列入的相应于

R

t m

R

b m

R

t a

R

b a

值,可用内插法求得,精确至0.1。

回弹值计算 非水平方向检测混凝土浇筑面时,应按下试修正:

Rm=Rm α+Raα

式中Rmα——非水平状太检测时测区的平均回弹值,精确至0.1; Raα——非水平状太检测时回弹修正值。

水平方向检测混凝土浇筑顶面或底面时,应按下列公式修正: R R R t a t

m m

+= R

R R

b a

b

m m

+

=

式中

R t

m 、R b

m ——水平方向检测混凝土浇筑表面、或底面时,测区的平均回弹值,精

确至0.1。 R t a 、R b

a ——混凝土浇筑表面、底面回弹值的修正值。

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