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Fragility Analysis of Infilled Reinforced Concrete Frames Subjected to Near-Field Ground Motions

  • Arshad K. HashmiEmail author
  • Alok Madan
Structural Engineering
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Abstract

The present paper deals with the analytical investigation of representative planar masonry-infilled reinforced concrete (MIRC) frames for seismic fragility, performance and demand. The study includes the effect of various patterns of layout for infills panels along the height of reinforced concrete frames. The analytical investigation has been done using non-linear dynamic time-history analysis under collection of forty SAC near-field ground motions using rational hysteretic models for structural components; the results are presented in terms of parameters such as peak inter-storey drift, residual drift and damage index. The outcomes of study are used to develop seismic fragility curves in probabilistic terms for the generic medium-rise MIRC frames. The developed fragility curves can be useful tools in predicting the life and economic losses in the future seismic event. In the current study, efforts are also made to develop curves demonstrating seismic performance and seismic demand for representative MIRC frames.

Keywords

Seismic vulnerability Seismic demand Damage index Fragility analysis Performance based seismic engineering 

Nomenclature

MIRC

Masonry Infilled Reinforced Concrete

SAC

A joint venture formed by Structural Engineers Association of California (SEAOC), Applied Technology Council (ATC) and Consortium of Universities for Research in Earthquake Engineering (CUREE)

RC

Reinforced Concrete

G

Geometry

NF

Near Field

pga

Peak Ground Acceleration

CSM

Capacity Spectrum Method

Sa

Spectral Acceleration

IO

Immediate Occupancy

LS

Life Safety

CP

Collapse Prevention

Sd

Spectral Displacement

ADRS

cceleration-Displacement Response Spectrum

HRC

Homogenized Reinforced Concrete

LRC

Lightly Reinforced Concrete

MCE

Maximum Credible Earthquake

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Notes

Acknowledgements

Not Applicable

References

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Copyright information

© Korean Society of Civil Engineers 2019

Authors and Affiliations

  1. 1.Dept. of Civil EngineeringShaqra UniversityShaqraSaudi Arabia
  2. 2.Dept. of Civil EngineeringIndian Institute of TechnologyNew DelhiIndia

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