Table 1 Component thickness relationships

From: Individual segmentation method of ancient architectural components based on point cloud and construction techniques

Structural classification

Component name

Thickness (column-diameter equivalent)

Columns

Eave columns

6 Doukou

Hypostyle columns

6.6 Doukou

Roof beams

Corner beams

6 Doukou

7-Purlin beams

7 Doukou

5-Purlin beams

5.6 Doukou or 4/5 thickness of 7-purlin beams

3-Purlin beams

4/5 thickness of 7-purlin beams

Triple-step beams

Equivalent to 7-purlin beams

Double-step beams

Equivalent to 5-purlin beams

Single-step beams

Equivalent to 3-purlin beams

Tie beams

Penetrating tie beams

3.2 Doukou

Major architraves

4.8 Doukou

Minor architraves

3.2 Doukou

Architraves

4.8 Doukou

Flat architraves

3.5 Doukou

Cushion boards

Cushion boards

1 Doukou