What does this research mean for the field?

An inclination angle of up to 10° enhances the elasto-plastic stability of steel basket-handle arches under symmetric vertical loading, while eccentric loading significantly reduces their capacity. Novelty: ClaimNovelty.CONFIRMATORY. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The research aims to understand how inclination angles and loading scenarios affect steel basket-handle arches' stability.

March 6, 2026BuildingsOpen Access

Influences of Inclination Angles and Loading Scenarios on the Elasto-Plastic Stability of a Steel Basket-Handle Arch Structure

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The research aims to understand how inclination angles and loading scenarios affect steel basket-handle arches' stability.
Conducted parametric finite element analysis on 48 models
Varied inclination angles from 0° to 15° under three loading conditions
Performed nonlinear analysis using the arc-length method
Ultimate bearing capacity is highest under uniformly distributed loading, followed by transversely and longitudinally eccentric loading
Initial stiffness increases with inclination across all loading scenarios
Capacity peaks at a 10° inclination under symmetric loading, then declines
Eccentric loading leads to severe stress concentration and local buckling

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Implication

Analysis investigates elasto-plastic stability in steel arches under varied loading angles, suggesting optimal designs.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/69aa70e7531e4c4a9ff5b1b3 https://doi.org/10.3390/buildings16051013

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Influences of Inclination Angles and Loading Scenarios on the Elasto-Plastic Stability of a Steel Basket-Handle Arch Structure

Key Points

Discussion

Implication

Cite This Study

Influences of Inclination Angles and Loading Scenarios on the Elasto-Plastic Stability of a Steel Basket-Handle Arch Structure

Key Points

Discussion

Implication

Cite This Study

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