Table 1.
Specimen and Test method for Ply-lam
Symbol | Testing Type | Direction of outer layers | Number of specimen | Width (mm) | Depth (mm) | Length (mm) | Methods | Span (mm) | Remarks |
FWB | out-of -plane bending | Major | 12 | 300 | 150 | 3450 | according to JAS | 3150(21D) | 4-point bending |
EWB | in-plane bending | Major | 12 | 150 | 200 | 4000 | HOWTEC | 3600(18D) | 4-point bending |
FWSma | out-of -plane shearing | Major | 12 | 300 | 150 | 1050 | JAS/ HOWTEC | 750(5D) | 3-point bending |
FWSmi | out-of -plane shearing | Minor | 12 | 300 | 150 | 1000 | JAS/ HOWTEC | 750(5D) | 3-point bending |
EWS | in-plane shearing | Major | 11 | 150 | 200 | 1400 | HOWTEC | 800(4D) | 3-point bending |
Notes: JAS means Japanese Agricultural Standard for CLT.
HOWTEC means acording to Structural wood strength test manual of Japan Housing and wood Technology Center.
D means depth of specimen.