Civil Insight: A Technical Magazine Volume 3 | Page 49

Karki G. and Bhatt M.R.
Civil Insight (2019) 45-50
damage in beam, there are some columns where hinges formed are observed. The failure of a single column
can increase the damage in other columns, which may lead to catastrophic failures of the building.
Therefore, it is desirable to avoid hinge formation in a column. For cof value of 2, most of the beams have
reached the damage level before any column is yielded. This implies that sufficient warning is achieved
before a global collapse of the building, which occurs due to elastic nature of column and damage on the
beam. Thus, the earlier warning provides people with sufficient time to escape from the inside of their
residences.
a) Hinges for cof 1.2
b) Hinges for cof 1.4
d) Hinges for cof 1.8
c) Hinges for cof 1.6
e) Hinges for cof 2
Fig. 5. Analyses of the 3-storied building with varying cof
4) Conclusions
The ductile detailing code IS 13920 (2016) recommends that the moment capacity of a column should be
1.4 times greater than that of a beam. However, from this study, it was observed that for a low-rise 3-storied
49