Reference |
Correlation |
Reliability |
Rock Type |
Kahraman et al. [52] |
UCS = 10.61BTS |
R2 = 0.54 |
Different rock types including limestone |
Sari [5] |
UCS = 4.969exp(0.058RL) |
R2 = 0.575 |
Different rock types |
Sari [5] |
UCS = 5.912VP1.741
|
R2 = 0.645 |
Different rock types |
Altindag and Guney [53] |
UCS = 12.38BTS1.0725
|
R = 0.9 |
Different rock types including limestone |
Gokceoglu and Zorlu [54] |
UCS = 6.8BTS +13.5 |
R = 0.65 |
- |
Nazir et al. [3] |
UCS = 9.25BTS0.947
|
R2 = 0.90 |
20 Limestone samples |
Karaman et al. [55] |
UCS = 24.301+4.874BTS |
R2 = 0.90 |
37 Rock samples including Basalt and limestone |
Broch and Franklin [56] |
UCS = 23.7 Is(50)
|
- |
- |
Bieniawski [57] |
UCS = 23 Is(50)
|
- |
Different type of rocks |
Kahraman et al. [58] |
UCS = 10.22 Is(50) + 24.31 |
R2 = 0.75 |
38 Different rock samples |
Basu and Aydin [59] |
UCS = 18 Is(50)
|
R2 = 0.97 |
40 Granitic rock samples |
Yilmaz and Yuksek [60] |
UCS = 12.4 Is(50) - 9.0859 |
R2 = 0.81 |
39 Sets of gypsum samples |
Diamantis et al. [61] |
UCS = 19.79 Is(50)
|
R2 = 0.74 |
32 Samples of serpentinite rock |
Kahraman [62] |
UCS = 14.68Is(50) − 8.67 |
R = 0.88 |
32 Pyroclastic specimens |
Sarkar et al. [63] |
UCS=0.038Vp-50 |
R2=0.93 |
13types of different rock |
Kilic and Teymen [64] |
UCS=0.0137RL2.2721
|
R= 0.93 |
Different rock types |
Cobanoglu and Selik [65] |
UCS=6.59 RL -212.6 |
R= 0.65 |
Limestone, sandstone, cement mortar |
Tugrul and Zarif [66] |
UCS=8.36 RL -416 |
R= 0.87 |
19 Granite rock samples |
Nazir et al. [4] |
UCS=12.83 e(0.0487 RL)
|
R = 0.95 |
20 Limestone samples |
Aydin and Basu [67] |
UCS=1.4459e0.0706 RL
|
R = 0.92 |
Granitic rocks |
Gupta [68] |
UCS=1.15 RL -15 |
R = 0.95 |
Granite |
Sharma and Singh [69] |
UCS = 0.0642VP – 117.99 |
R2 = 0.90 |
49 samples in different rock types |
Moradian and Behnia [70] |
UCS=165.05e(- .452/Vp)
|
R2 = 0.7 |
64 different rock samples |
Khandelwal [71] |
UCS = 0.033 VP – 34.83 |
R2 = 0.87 |
12 samples of a wide rock types |
Diamantis et al. [61] |
UCS=0.11 VP - 515.56 |
R2 = 0.81 |
32 samples of serpentinite rock |
Altindag [72] |
UCS = 12.743 VP1.194
|
R = 0.76 |
97 rock specimens (mainly limestone) |
Cobanoglu and Celik [65] |
UCS=56.71 VP - 192.93 |
R2 = 0.67 |
150 core samples of different rocks |
Xu et al. [73] |
UCS=2.98 e(0.06 RL)
|
R = 0.95 |
Mica-schist |
Jamshidi et al. [74] |
UCS=133.77 Ln Vp-1048 |
R= 0.90 |
Limestone |
Entwisle et al. [75] |
UCS= 0.78 e 0.88VP
|
R2 = 0.53 |
171 samples of Volcanic rock |