Table 13 Summary of spectral acceleration responses for the three zones.
Zone | amax/g | Sub-zone Criteria | Modeling Results | Values from Codes | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thickness of loose/soft layer of sabkha (m) | Thickness of medium dense sand (m) | SS | S1 | SS | S1 | PGA | ||||||||||||
Normal water | Sea water | Brine | Normal water | Sea water | Brine | SBC 301 | RC GEM | SAES-A-112 | SBC 301 | RC GEM | SAES-A-112 | SBC 301 | RC GEM | SAES-A-112 | ||||
Sandy sabkha | 0.06 | 3.0 | – | 0.0261 | 0.0352 | 0.0450 | 0.0497 | 0.0616 | 0.0656 | 0.15 | 0.1 | 0.085 | 0.07 | 0.047 | 0.031 | 0.06 | 0.04 | 0.034 |
4.0 | – | 0.0278 | 0.0362 | 0.0461 | 0.0522 | 0.0634 | 0.0672 | |||||||||||
6.0 | – | 0.0292 | 0.0379 | 0.0472 | 0.0540 | 0.0643 | 0.0677 | |||||||||||
8.0 | – | 0.0311 | 0.0407 | 0.0487 | 0.0564 | 0.0654 | 0.0684 | |||||||||||
9.0 | – | 0.0328 | 0.0435 | 0.0498 | 0.0587 | 0.0664 | 0.0691 | |||||||||||
10.0 | – | 0.0345 | 0.0459 | 0.0507 | 0.0607 | 0.0672 | 0.0694 | |||||||||||
11.0 | – | 0.0355 | 0.0485 | 0.0513 | 0.0620 | 0.0671 | 0.0689 | |||||||||||
Clayey sabkha | 0.06 | 1.0 | – | –– | – | 0.0507 | – | – | 0.0699 | 0.15 | 0.1 | 0.085 | 0.07 | 0.047 | 0.031 | 0.06 | 0.04 | 0.034 |
1.5 | – | – | – | 0.0487 | – | – | 0.0699 | |||||||||||
2.0 | – | – | – | 0.0510 | – | – | 0.0723 | |||||||||||
2.5 | – | – | – | 0.0510 | – | – | 0.0723 | |||||||||||
3.0 | – | – | – | 0.0510 | – | – | 0.0723 | |||||||||||
4.0 | – | – | – | 0.0505 | – | – | 0.0707 | |||||||||||
4.5 | – | – | – | 0.0481 | – | – | 0.0672 | |||||||||||
Non-sabkha | 0.06 | – | 2 to 6 | – | – | 0.0510 | – | – | 0.0730 | 0.15 | 0.10 | 0.09 | 0.07 | 0.05 | 0.03 | 0.06 | 0.04 | 0.03 |
