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Brick masonry industrial chimneys: assessment, evaluation and intervention
João M Guedes1,2, Valter Lopes1, Bruno Quelhas1
1NCREP - Consultoria em Reabilitação do Edificado e Património, Praça Coronel Pacheco, 2, 4050-453 Porto, Portugal.
This study analyzes 10 industrial brick masonry chimneys in Portugal, correlating their geometry and material properties. Findings aid designers in assessing chimney safety and identifying reinforcement needs for these historical structures.
Area of Science:
- Structural Engineering
- Heritage Conservation
- Materials Science
Background:
- Industrial chimneys are significant remnants of Portugal's post-industrial heritage.
- Many abandoned chimneys are now situated in residential or recreational areas, necessitating safety assessments.
- Their isolation as standalone structures presents unique structural challenges.
Purpose of the Study:
- To analyze geometric and material data from 10 industrial brick masonry chimneys.
- To establish correlations between chimney characteristics and their structural integrity.
- To propose simplified procedures for safety assessment and reinforcement evaluation.
Main Methods:
- On-site surveys collecting geometric and material data.
- Dynamic identification procedures to assess structural behavior.
- Correlation analysis between physical and mechanical properties.
Main Results:
- Identified key correlations between geometric dimensions, material properties, and structural performance.
- Developed a framework for evaluating the safety of isolated masonry chimneys.
- Provided insights into potential reinforcement strategies.
Conclusions:
- Geometric and material properties significantly influence the safety of industrial chimneys.
- The proposed procedures offer a practical tool for designers assessing heritage structures.
- This research contributes to the safe preservation of industrial heritage in changing environments.
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