Seismic Performance Evaluation of
Shape Memory Alloys (SMA)
Reinforced Concrete Column
• Prepared by: [Your Name]
• Department of Civil Engineering
• [Your Institution]
• Date: [Insert Date]
Introduction
• • Earthquakes cause severe damage to
reinforced concrete (RC) structures due to
their brittle nature.
• • Shape Memory Alloys (SMA) possess unique
properties such as superelasticity and shape
memory effect.
• • SMA-reinforced concrete (SMA-RC) columns
have the potential to self-center and reduce
residual deformations.
• • Evaluating the seismic performance of SMA-
Problem Statement
• • Conventional RC columns exhibit significant
cracking and residual deformations after
seismic loading.
• • Poor energy dissipation and limited ductility
in traditional reinforcement materials.
• • Need to enhance self-centering ability and
reduce post-earthquake repair costs.
• • Lack of sufficient experimental and
numerical studies on SMA-RC columns under
cyclic loading.
Literature Review
• • Previous studies (e.g., Dolce et al., Saiidi et
al.) demonstrated SMA bars improve energy
dissipation and re-centering.
• • Numerical models show SMA integration
enhances hysteretic behavior.
• • Limited full-scale experimental validation.
• • Most studies focus on beams or joints; fewer
on columns subjected to realistic seismic
demands.
Research Gap
• • Insufficient experimental data on SMA-RC
column performance under dynamic loading.
• • Lack of comprehensive numerical models
calibrated with experimental results.
• • Unclear influence of SMA ratio, location, and
type on overall column behavior.
• • Need for design guidelines incorporating
SMA reinforcement for seismic design.
Objectives
• • To evaluate the seismic performance of
SMA-reinforced concrete columns.
• • To develop experimental and numerical
models for SMA-RC columns.
• • To investigate the effect of SMA
reinforcement ratio and location on seismic
response.
• • To propose design recommendations for
SMA-RC columns for earthquake-resistant
structures.
Research Plan
• Phase 1: Literature Review
• – Study existing work on SMA materials and
SMA-RC structures.
• Phase 2: Experimental Investigation
• – Design and test SMA-RC column specimens
under cyclic loading.
• Phase 3: Numerical Simulation

SMA_RC_Column_Seismic_Performanceufxocig

  • 1.
    Seismic Performance Evaluationof Shape Memory Alloys (SMA) Reinforced Concrete Column • Prepared by: [Your Name] • Department of Civil Engineering • [Your Institution] • Date: [Insert Date]
  • 2.
    Introduction • • Earthquakescause severe damage to reinforced concrete (RC) structures due to their brittle nature. • • Shape Memory Alloys (SMA) possess unique properties such as superelasticity and shape memory effect. • • SMA-reinforced concrete (SMA-RC) columns have the potential to self-center and reduce residual deformations. • • Evaluating the seismic performance of SMA-
  • 3.
    Problem Statement • •Conventional RC columns exhibit significant cracking and residual deformations after seismic loading. • • Poor energy dissipation and limited ductility in traditional reinforcement materials. • • Need to enhance self-centering ability and reduce post-earthquake repair costs. • • Lack of sufficient experimental and numerical studies on SMA-RC columns under cyclic loading.
  • 4.
    Literature Review • •Previous studies (e.g., Dolce et al., Saiidi et al.) demonstrated SMA bars improve energy dissipation and re-centering. • • Numerical models show SMA integration enhances hysteretic behavior. • • Limited full-scale experimental validation. • • Most studies focus on beams or joints; fewer on columns subjected to realistic seismic demands.
  • 5.
    Research Gap • •Insufficient experimental data on SMA-RC column performance under dynamic loading. • • Lack of comprehensive numerical models calibrated with experimental results. • • Unclear influence of SMA ratio, location, and type on overall column behavior. • • Need for design guidelines incorporating SMA reinforcement for seismic design.
  • 6.
    Objectives • • Toevaluate the seismic performance of SMA-reinforced concrete columns. • • To develop experimental and numerical models for SMA-RC columns. • • To investigate the effect of SMA reinforcement ratio and location on seismic response. • • To propose design recommendations for SMA-RC columns for earthquake-resistant structures.
  • 7.
    Research Plan • Phase1: Literature Review • – Study existing work on SMA materials and SMA-RC structures. • Phase 2: Experimental Investigation • – Design and test SMA-RC column specimens under cyclic loading. • Phase 3: Numerical Simulation