Specimen

Initial compressive strength

Number of cycles before static loading

Residual strength after loading

Residual fatigue modulus

Corresponding static secant modulus

Primary strain

(Mpa)

(Mpa)

(Mpa)

S1

52.8

430

54.9

68,900

41,900

0.000797

S2

52.8

430

54.4

58,100

38,500

0.000936

S3

52.8

860

55.1

65,100

40,200

0.000846

S4

52.8

860

53

58,800

37,100

0.000901

S5

52.8

5150

55.3

62,000

39,000

0.000892

S6

52.8

7730

52.3

55,200

35,000

0.000947

S7

52.8

8160

53.4

53,300

35,500

0.001002

S8

52.8

3480

46.5

44200

30,500

0.001052

S9

46.2

5550

41.7

33400

23,500

0.001249

S10

46.2

5880

38.6

30,100

21,600

0.001282

S11

46.2

18,100

36.3

31,400

21,900

0.001156

S12

46.2

6180

32.9

25,800

17,600

0.001275

S13

55.8

5000

51.4

50200

31,800

0.001024

S14

55.8

1200

58.1

61,800

39,700

0.00094

S15

55.8

3000

56.2

57,600

36,800

0.000976

S16

55.8

6120

45.6

45,100

29,200

0.001011

S17

55.8

5840

49.2

43,900

28,800

0.001121

S18

55.8

7900

44.7

42800

28,300

0.001044

S19

55.8

4680

36.1

37200

a

0.00097

S20

55.8

6710

52.5

54300

34,600

0.000967

S21

55.8

9870

46.8

38800

26,700

0.001206

S22

55.8

8660

37.9

33300

a

0.001138