Page 11 - August-Month

TECHNICAL PAPER

is carried using SAP software. The natural frequencies and mode The shake table testing demonstrated the improved seismic
shapes are obtained. performance of model-2 frame building with ductile detailing.

CONCLUSIONS ACKNOWLEDGEMENT

The magnification in terms of acceleration for frame model-2 The cooperation and guidance received from the technical staff
is 2.5 and it is 1.43 for reinforced concrete frame model-1.The of Advanced Seismic Testing and Research Laboratory of CSIR-
column side sway and brittle failure mechanism (failure hinges SERC are gratefully acknowledged.
are formed at bottom ground storey columns) is observed in the
RC frame model-1 building whereas in frame model 2 building, REFERENCES
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tensile stress value of the columns exceeds the permissible 5. IS: 1893 (2016), Criteria for Earthquake resistant design of
stresses, tension crack may develop in the column and same is structures, Part-1 General Provisions and Buildings, Bureau
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In frame model-2, drift is uniformly spread out, where as in
model-1, drift is high at ground floor level. 7. Jothi Saravanan, Rama Rao G. V., Prakashvel J.,
Gopalakrishnan, N., Lakhsmanan N. and C. V. R. Murty,
As the sliding force capacity of brick walls provided as infills (2017),”Dynamic testing of open ground story structure
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concrete building model1 without ductile detailing strain is very collapse safety of Reinforced Concrete Building II:
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16 THE INDIAN CONCRETE JOURNAL | AUGUST 2021