Differences among trusses, sandalwood, squares and beams in ancient buildings. Please be easy to understand.

Is the word purlin misspelled? Make it sandalwood ~

The highest point is the roof, and the straight direction of the roof is used to explain the position of these components:

Truss and purlin have the same meaning. Truss is purlin. Trusses (purlins) are mostly logs, which are parallel to the roof, and the highest truss (purlins) is covered with tiles to become the roof.

Above the purlin are rafters, whose function is to transfer the weight of tiles to the truss. The rafters are round and square, perpendicular to the roof;

Below the purlin is a pad, and below the pad is a Fang, so the role of Fang is to support the truss. Most squares are parallel to the roof, and squares and beams are square;

Although the roles of Liang and Fang are similar, they are different. They are perpendicular to each other and are all installed on columns. The square supports the truss parallel to the roof, while the beam is perpendicular to the roof ~

You can also go to the China Dictionary of Ancient Architecture Terminology below this website, which is free and can be downloaded without any money. After reading the picture on page 504, you will understand everything ~

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