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Table 3 Values of Pu and CMODc obtained from FCM for TPBT and STC specimens for different specimen sizes.

From: Determination of Double-K Fracture Parameters of Concrete Using Split-Tension Cube: A Revised Procedure

D (mm)

a o /D

Pu (kN)

CMODc (mm)

For TPBT

For STC specimen

For TPBT

For STC specimen

Value of β for STC

Value of β for STC

0.0

0.05

0.1

0.15

0.0

0.05

0.1

0.15

500

0.3

10.73

20.66

20.81

21.24

21.96

0.0822

0.0426

0.0427

0.0442

0.0449

400

0.3

9.47

17.56

17.69

18.074

18.72

0.0720

0.0379

0.0380

0.0385

0.0403

300

0.3

7.94

14.15

14.27

14.604

15.18

0.0624

0.0316

0.0318

0.0323

0.0340

200

0.3

6.05

10.33

10.43

10.724

11.23

0.0510

0.0243

0.0251

0.0259

0.0288