References

c_l

c_d

s_t

(Braza, Chassaing, Minh, H.H., and M., P., 1986) [9]

±0.30

1.28 ± 0.02

0.16

(Benson, M.G., Bellamy-Knights, P.G, Gerrard, and Gladwell, 1989) [10]

±0.28

1.325 ± 0.008

0.164

(Ding, H., Shu, C., Yeo, K.S., and Xu, D, 2004) [11]

±0.38

1.46 ± 0.01

0.17

(Y. Wang, C. Shu, C.J. Teo and J.Wu, 2015) [8]

±0.37

1.334 ± 0.012

0.163

Present

±0.325

1.351 ± 0.009

0.1639