Table 3 Comparison of the yingzao chi restoration methods in this study and in the previous

From: Research on the yingzao chi restoration of palace buildings sans dougong in Ming and Qing Dynasties: a case study of Chongqing

Yingzao chi restoration method

Methods in the previous

Method in this study

Method 1

Method 2

Based theory

Modulus theory

Yingzao chi theory

Yingzao chi theory

Whether to rely on the vernacular chi reference

Yes

Yes

No

Applicable buildings

Buildings in Tang and Song Dynasties

Palace buildings with dougong in Ming and Qing Dynasties

Palace buildings without dougong in Ming and Qing Dynasties

Error in deriving common divisors

Big

Big

Small