Issue 69

S. D. Raiyani et alii, Frattura ed Integrità Strutturale, 69 (2024) 71-88; DOI: 10.3221/IGF-ESIS.69.06

Experimental Results

Predicted Results

AAE

MSE

  

Pre       

  

2

'

'



Pre       

 

f

f

'

'

f

f

cc

cc

Peak Axial Load (kN) P u

 

 

cc

cc

    

    

Specimen Identification

'

'

  

  

'

f

f

  

  

f

'

'

'

f

f

f

' cc f (MPa)

c

c

cc

w

Exp

Remarks

cc

c

c

Exp

'

f

'

f

n

  

  

'

  

  

f

'

f

c Ex

c Pre

cc

cc

'

f

'

f

c

Exp

c

Exp

S300 (Control)

610

34.52

1.00

0.00000

1.00

0.000031

0.000000

S210 S180 S150 S120

620 641 651 668 675 690 789 630 705 920

35.08 36.27 36.84 37.80 38.20 39.05 40.60 44.65 20.05 22.44 29.28

1.02 1.05 1.07 1.10 1.11 1.13 1.18 1.29 1.19 1.07 1.18 1.26 1.21 1.14

0.00251 0.00511 0.00913 0.01503 0.02341 0.03507 0.05111 0.07306 0.11206 0.08998 0.07614 0.07845 0.07845 0.07845

1.01 1.02 1.03 1.05 1.08 1.13 1.18 1.26 1.40 1.32 1.27 1.28 1.28 1.28

0.007194 0.030811 0.032144 0.037388 0.020114 0.004301 0.006630 0.023493 0.180639 0.239437 0.080220 0.054982 0.014261 0.048432

0.000060 0.000984 0.001070 0.001440 0.000428 0.000024 0.000037 0.000579 0.032631 0.057330 0.006435 0.000217 0.003416 0.015817

Present Experimental Study

S90 S60 S30

717.50

S0

C400M15W1 C400M20W1 C400M25W1

Kumar and Patel [21]

40×32_1 40×32_2 40×32_3

770.50 738.67 694.50

43.6 41.8 39.3

Patel et al. [32]

 N AAE or MSL N

100 

5.20%

2.31%

=

1

N is no. of specimens

Table 5: Performance of proposed model for ultimate strength prediction.

Figure 13: Performance of the proposed model for predicting confined compressive strength.

84