What is a five-frame beam (ancient architecture)

It is a beam with five purlins on top and a length of four steps.

The method is the same as seven-frame beam. According to the battle pole to play the cut material, draw the level water line, head up line, wide and narrow line, bear back line; for the nose, and other operations. If the small style is not a purlin three pieces, before and after the eaves can do purlin square. Jinbu can be made to replace the wooden mouth, the width and depth of the same mat board mouth, the height of 4 centimeters. Round slow flute, chisel purlin and other operations.

The purlin is a horizontal member along the direction of the building face in the position of the head of the beam. Its function is to fix the rafter directly and transfer the roof load downward through the beam. The name of purlin is different with the position of the column where the head of the beam is located, such as in the gable column above the gable purlin, in the gold column above the gold purlin, in the center column above the ridge purlin.

Expanded Information

The five-frame sit-on-beam frame is the main form of large wooden frame for the traditional folk buildings such as temples, ancestral halls, academies, and dwellings in southern Fujian. Research shows that the five-frame sit-on-beam frame is characterized by both lifting beams and piercing buckets. Among them, the three-way five-gourd and two-way three-gourd are its common forms. In the nodes of beams and columns are mostly used in the practice of stacking buckets.

It uses the curved square and arch to look at the frame in the longitudinal connection, and its origin can be traced back to the southern region of China in the Tang and Song dynasties. In the gable end of the pick structure, it is a beam head, ding head arch out of the pick and to the squatters bundle, hanging tube, vertical firewood, wood and other components to stabilize the link, is the South China through the bucket frame popular in the region of the gable end of the typical picking way.

Baidu Encyclopedia - Five-frame Beam