Skip to main content

Official Journal of the Japan Wood Research Society

Table 1 CLT vertical layer crack morphologies and crack azimuth angles of three-point bending test and improved planar shear test

From: Study on in-plane shear failure mode of cross-laminated timber panel

Crack morphology

Azimuth angle of crack surface

(40°–50°)

(0°–40o or 50°–90°)

Ring shake

A4 (50°), A5 (40°), A6 (48°), A9 (50°), A11 (40°), A12 (45°), A14 (45°), A15 (45°), A17 (40°), B1 (50°), B5 (45°,50°)

B2 (60°), C2 (60°), C8 (30°), C9 (55°)

Heart shake

A10 (50°), A16 (40°), B3 (50°), C1 (40°), C4 (50°), C6 (50°), C10 (45°)

A7 (25°), A8 (65°), A13 (78°), B1 (35°), B4 (85°), C3 (30°), C7(60°),

C8 (30°), C9 (60°)

Neither ring shake nor heart shake

A15 (45°), A16 (50°), B6 (40°)

A10 (25°), A18 (30°)

  1. The angle in the brackets is the azimuth angle measured on the crack surface