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This research aims to identify the key uncertain parameters affecting the progressive collapse response of reinforced concrete frames.

August 2, 2026International Journal of Protective Structures

A sensitivity-based approach for identifying dominant parameters in the progressive collapse response of reinforced concrete frames

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This research aims to identify the key uncertain parameters affecting the progressive collapse response of reinforced concrete frames.
Developed a sensitivity-based framework to quantify the influence of uncertain material, geometric, and infill-related parameters.
Analyzed bare frames and fully infilled frames using nonlinear static pushdown analysis under various column removal scenarios.
Incorporated uncertainty systematically and used statistical and graphical measures to assess parameter significance.
Collapse sensitivity varies significantly with scenario and frame configuration, with certain column removals showing greater sensitivity.
In bare frames, the most influential parameters are beam depth and concrete compressive strength.
In fully infilled frames, infill properties are critical in determining the collapse response.

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Implication

Sensitivity-based framework evaluates dominant parameters affecting progressive collapse in RC buildings, indicating key factors for design improvement.

Cite This Study

Salman et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeb3b1b0468a7eeab4474 https://doi.org/10.1177/20414196261474928

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Implication

Sensitivity-based framework evaluates dominant parameters affecting progressive collapse in RC buildings, indicating key factors for design improvement.

A sensitivity-based approach for identifying dominant parameters in the progressive collapse response of reinforced concrete frames

Key Points

Discussion

Implication

Cite This Study

A sensitivity-based approach for identifying dominant parameters in the progressive collapse response of reinforced concrete frames

Key Points

Discussion

Implication

Cite This Study

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