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May 8, 2026Structural Concrete

Structural capacity of precast concrete walls with openings: A parametric study on connection types and reinforcement ratios

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Authors

GMGonçalo MarrenecaRCRicardo do CarmoAFAndré Furtado

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Overview

Randomized trial evaluates structural performance of precast concrete walls with openings, indicating design efficiency improvements.

Key Points

  • The aim is to quantify the structural capacity of precast concrete walls with openings under different conditions.
  • Conducted a parametric study using finite element analysis and the Compatible Stress Field Method.
  • Varying opening ratios, reinforcement configurations, and connection types to assess structural performance.
  • Analyzed stress distribution, crack development, and maximum load capacity.
  • Precast concrete walls with an opening ratio ≤20% retain over 40% of their original strength under seismic action.
  • Adequate reinforcement (ω ≥ 0.087) was crucial for maintaining structural capacity.
  • Practical guidelines for integrating walls with openings into design were developed.

Cite This Study

Marreneca et al. (2026) studied this question.

synapsesocial.com/papers/69fd7f86bfa21ec5bbf08183https://doi.org/10.1002/suco.70611
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