Performance Analysis of Steel Shoe Splices in Precast Concrete Columns

Two full-scale column models were built and tested under four-point bending to analyze mechanical behavior. The research compares a cast-in-situ column to one connected with steel shoes, measuring displacement, stiffness, curvature, and deflection. Author João Lucas Figueiredo Paes De Barros asserts the bolted connection model displayed similar behavior to the cast-in-situ model up to 80% of the rebar yield load.

Use Cases

• Compare connection stiffness based on measured displacements from bending tests.
• Model structural behavior under service loads for precast column connections.
• Assess the suitability of steel shoe splices for moment-resisting connections in multi-storey buildings.

Strengths

• Based on full-scale physical models tested under four-point bending.
• Compares a novel steel shoe splice connection directly against a cast-in-situ benchmark.
• Quantifies performance with specific metrics like equivalent stiffness and deflection.

Limitations

• Row count and dataset size are unknown, limiting suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• The description focuses on a specific research paper; the accompanying dataset's scope is not detailed.

Provenance

Source

João Lucas Figueiredo Paes De Barros via paperswithcode

Collection Method

Experimental data from full-scale model tests.

Geography

Likely Brazil, based on the description's context.