Comparison of N c values
| H/W | Present study | Davis (1968) | Gunn (1980) | Sloan et al. (1990) | Keawsawasvong and Ukritchon (2017) | Martin (2009) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FDM | LB | UB | LB | UB | LB | UB | LB | UB | Average (LB and UB) | Slip-line | |
| 1 | 2·16 | 1·94 | 1·98 | 2·00 | 2·00 | 1·40 | 2·05 | 1·83 | 2·00 | 2·14 | 1·96 |
| 2 | 3·90 | 3·59 | 3·71 | 3·17 | 4·56 | 2·76 | 3·75 | 3·54 | 3·75 | 4·07 | 3·91 |
| 3 | 4·93 | 4·63 | 4·78 | 4·18 | 6·06 | 3·57 | 4·94 | 4·45 | 4·93 | 5·14 | — |
| 4 | 5·65 | 5·37 | 5·51 | 4·62 | 7·19 | 4·08 | 5·79 | 5·11 | 5·61 | 5·97 | — |
| 5 | 6·21 | 5·92 | 6·08 | 5·00 | 8·00 | 4·55 | 6·55 | 5·55 | 6·12 | 6·54 | — |
| 6 | 6·66 | 6·35 | 6·53 | 5·44 | 8·82 | 4·88 | 7·11 | 5·92 | 6·47 | 6·90 | — |
| 7 | 7·04 | 6·74 | 6·92 | — | — | 5·22 | 7·62 | 6·16 | 6·78 | 7·23 | — |
| 8 | 7·37 | 7·03 | 7·25 | — | — | 5·49 | 8·13 | 6·43 | 7·02 | 7·50 | — |
| 9 | 7·65 | 7·30 | 7·55 | — | — | 5·73 | 8·54 | 6·57 | 7·27 | 7·74 | — |
| 10 | 7·91 | 7·55 | 7·80 | — | — | 5·94 | 8·93 | 6·72 | 7·44 | 7·94 | — |
| Present study | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| FDM | LB | UB | LB | UB | LB | UB | LB | UB | Average (LB and UB) | Slip-line | |
| 1 | 2·16 | 1·94 | 1·98 | 2·00 | 2·00 | 1·40 | 2·05 | 1·83 | 2·00 | 2·14 | 1·96 |
| 2 | 3·90 | 3·59 | 3·71 | 3·17 | 4·56 | 2·76 | 3·75 | 3·54 | 3·75 | 4·07 | 3·91 |
| 3 | 4·93 | 4·63 | 4·78 | 4·18 | 6·06 | 3·57 | 4·94 | 4·45 | 4·93 | 5·14 | — |
| 4 | 5·65 | 5·37 | 5·51 | 4·62 | 7·19 | 4·08 | 5·79 | 5·11 | 5·61 | 5·97 | — |
| 5 | 6·21 | 5·92 | 6·08 | 5·00 | 8·00 | 4·55 | 6·55 | 5·55 | 6·12 | 6·54 | — |
| 6 | 6·66 | 6·35 | 6·53 | 5·44 | 8·82 | 4·88 | 7·11 | 5·92 | 6·47 | 6·90 | — |
| 7 | 7·04 | 6·74 | 6·92 | — | — | 5·22 | 7·62 | 6·16 | 6·78 | 7·23 | — |
| 8 | 7·37 | 7·03 | 7·25 | — | — | 5·49 | 8·13 | 6·43 | 7·02 | 7·50 | — |
| 9 | 7·65 | 7·30 | 7·55 | — | — | 5·73 | 8·54 | 6·57 | 7·27 | 7·74 | — |
| 10 | 7·91 | 7·55 | 7·80 | — | — | 5·94 | 8·93 | 6·72 | 7·44 | 7·94 | — |
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