2003/09/19
2003/07/23
2003/04/16
2003/03/19
2001/10/22
2001/02/22 Shaking table block
Process of shaking table blocks welding
Shaking Table
| Area |
20m x 15 m |
| Height |
5.5 m |
| Weight |
750 tf |
| Payload |
1,200 tf |
| Material |
Steel (JIS G3160 SM400 ) |
| Natural frequency |
25 Hz or less |
| Useful life |
20 years or more |
| Bolthole |
Every 1 m (4 holes at one place) |
| Allowable load of bolthole |
25tf |
Specifications
Size : 20 m x 15 m Load capacity : 1,200 tf.
A full-scale destructive test of a 4-story reinforced concrete building can be performed on this shaking table.
Top (Submerged arc welding) : - 79 mm
Side (Electro gas arc welding) : - 38 mm
Bottom and inner rib (Semiautomatic CO2 arc welding) :- 56 mm
Four verification blocks
( FEM model )
The four blocks were welded beforehand in order to verify the welding methods.
Welding line
Welding method
On-site welding line
Four verification blocks
Shaking table ( weight : 750 tf )
The table is designed to be assembled by welding 32 blocks
at the construction site, considering the limitation of transportation.
2002/06/20 Floor bolts in experiment building
Welding-finished single block of
shaking table
2003/11/28
2004/01/31
Whittling the upper plate of the table after welding
2004/05/19
Shaking table fixed in the pit
