Academic Journal

Nonlinear Analysis and Optimization of Recycled Aggregate Concrete Cross-Sections Based on Restoring Force Models

التفاصيل البيبلوغرافية
العنوان: Nonlinear Analysis and Optimization of Recycled Aggregate Concrete Cross-Sections Based on Restoring Force Models
المؤلفون: Chaolong Qi, Changqing Wang, Zhiming Ma
المصدر: Buildings, Vol 15, Iss 2, p 173 (2025)
بيانات النشر: MDPI AG, 2025.
سنة النشر: 2025
المجموعة: LCC:Building construction
مصطلحات موضوعية: recycled aggregate concrete (RAC), cross-section, nonlinear analysis, ductility, restoring force model, Building construction, TH1-9745
الوصف: This research presents a simplified approach using a uniaxial restoring force model to analyze the seismic response of recycled aggregate concrete (RAC) frames. Nonlinear simulations were conducted to explore how factors like axial compression ratio, reinforcement ratio, and cross-sectional geometry affect the ductility and seismic performance of RAC sections. The findings reveal that a reduction in the axial compression ratio from 0.60 to 0.57 results in a 15% increase in ductility, while a higher reinforcement ratio leads to a 20% enhancement. In addition, rectangular sections were found to be more sensitive to variations in material strength than square sections, offering key insights for structural optimization. The method proposed here also enhances computational efficiency by minimizing resource consumption and improving the convergence of nonlinear iterative procedures. These findings provide a theoretical foundation for optimizing the design and seismic evaluation of RAC structures, promoting their broader application in engineering practice.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2075-5309
Relation: https://www.mdpi.com/2075-5309/15/2/173; https://doaj.org/toc/2075-5309
DOI: 10.3390/buildings15020173
URL الوصول: https://doaj.org/article/0ee9c0080f98440c9bace8b853c3d177
رقم الانضمام: edsdoj.0ee9c0080f98440c9bace8b853c3d177
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20755309
DOI:10.3390/buildings15020173