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Official Journal of the Japan Wood Research Society

Table 10 Reference index for inter-storey drift angle of each performance level

From: Research on seismic performance of traditional Chinese hall-style timber buildings in the Song and Yuan dynasties (960–1368 AD): a case study of the main hall of Baoguo Temple

Performance levels

OP

IO

LS

CP

C

Revised Drift ratio

\(\Delta /H\)≤ 1/300

1/300 ≤ \(\Delta /H\)  ≤ 1/180

1/180 ≤ \(\Delta /H\)  ≤ 1/115

1/115 ≤ \(\Delta /H\)  ≤ 1/95

\(\Delta /H\)≥ 1/95

Drift ratio suggested by the codes

\(\Delta /H\)≤ 1/250

1/250 ≤ \(\Delta /H\)  ≤ 1/125

1/125 ≤ \(\Delta /H\)  ≤ 2/125

2/125 ≤ \(\Delta /H\)  ≤ 3/160

\(\Delta /H\)≥ 1/48