SEESL is equipped with two reaction walls ("strong walls") on the east end of the laboratory. The first is located adjacent to the strong floor, and the other is adjacent to the shake table trench. See below for dimensions and capacities of both strong walls.
Reaction wall next to strong floor
Reaction wall adjacent to the strong floor:
Reaction wall adjacent to the shake table trench):
Allowable load per strip along NUMBERED lines (based on shear) | |||||||
Position | Lines | Max Force | Shear Strength | Clear Span | |||
ft | kip/ft | kN/ft | kN/m | ton/m | ton/m | ft | |
1 | TA TB TF TG TK TL A E F J K O P | 120 | 544 | 1784 | 182 | 172 | 9.00 |
3 | TC TE TH TJ B D G I L N Q S | 157 | 712 | 2333 | 238 | 172 | 9.00 |
5 | TD TI C H M R | 226 | 1028 | 3370 | 343 | 172 | 9.00 |
Allowable concentrated load PER HOLE (based on shear strength) | |||||||
Position | Lines | Max Force | Shear Strength | Clear Span | |||
ft | kip | kN | kN | ton | ton/m | ft | |
1 | TA TB TF TG TK TL A E F J K O P | 239 | 1088 | 1088 | 111 | 172 | 9.00 |
3 | TC TE TH TJ B D G I L N Q | 313 | 1423 | 1423 | 145 | 172 | 9.00 |
5 | TD TI C H M R | 452 | 2055 | 2055 | 210 | 172 | 9.00 |
Allowable concentrated load PER HOLE (based on moments) | |||||||
Position | Lines | hole @ | 2ft | 0.61m | Gross Span | ||
ft | kip | kN | kN | ton | ton-m/m | ft | |
1 | TA TB TF TG TK TL A E F J K O P | 241 | 1096 | 1096 | 112 | 165 | 10.00 |
3 | TC TE TH TJ B D G I L N Q S | 103 | 470 | 470 | 48 | 165 | 10.00 |
5 | TD TI C H M R | 87 | 395 | 395 | 40 | 165 | 10.00 |
Allowable concentrated load PER HOLE (based on punching shear) | |||||||
Position | Lines | Max Force | Shear Strength | Clear Span | |||
ft | kip | kN | kN | ton | kips | ft | |
1 | TA T TF TG TK TL A E F J K O P | 182 | 826 | 826 | 84 | 182 | 10.00 |
Allowable moment per strip along ALPHABETICAL lines (based on shear) | |||||||
Gross Span | |||||||
kin-in/ft | kip-ft/ft | kN-m/ft | ton-m/m | ton-m/m | ft | ||
4352 | 363 | 493 | 165 | 165 | 10.00 | ||
Allowable overturning moment per vertical strip | |||||||
Gross Span | |||||||
kin-in/ft | kin-ft/ft | kN-m/ft | ton-m/m | ton-m/m | ft | ||
13056 | 1088 | 1480 | 495 | 495 | 10.00 | ||
Allowable position for actuators | |||||||
Size | Height from the floor | Mom.strip of Holes | Gross Span | ||||
ton | in | ft | m | ton-m/m | ft | ||
50 | 324 | 27.0 | 8.24 | 302 | 10.00 | ||
100 | 237 | 19.8 | 6.03 | 302 | 10.00 | ||
200 | 119 | 9.9 | 3.02 | 302 | 10.00 |
Drawing of reaction walls