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<p>Metal tension members in historic timber roof trusses record transitional technologies between carpentry and metal construction. This study examines the timber–steel hybrid Queen–King post truss of Vladimir Orthodox Church in Dehui, China. Field surveys, geometric reconstruction, and comparative finite-element modeling were used to analyse five schemes with different material and lower-tie configurations. The analysis considered deformation, axial force, bending, torsion, stress, support reactions, serviceability limits, and comprehensive evaluation using the Analytic Hierarchy Process–Technique for Order Preference by Similarity to Ideal Solution (AHP–TOPSIS). Results show that the united all-steel scheme gives the smallest deformation but concentrates axial force, whereas the tied all-steel scheme produces high reaction and stress demands. The as-built timber–steel tied scheme is not optimal in every indicator, but provides balanced performance in force transfer, serviceability, material use, and historical compatibility, supporting conservation-oriented structural assessment.</p>

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Structural mechanism and static performance of a timber–steel hybrid Queen–King post truss in Vladimir Orthodox Church, Dehui

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月9日

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  • Shuming Zhang,
  • Minghao Gao,
  • Jingwan Fu,
  • Xuefeng Yan

摘要

Metal tension members in historic timber roof trusses record transitional technologies between carpentry and metal construction. This study examines the timber–steel hybrid Queen–King post truss of Vladimir Orthodox Church in Dehui, China. Field surveys, geometric reconstruction, and comparative finite-element modeling were used to analyse five schemes with different material and lower-tie configurations. The analysis considered deformation, axial force, bending, torsion, stress, support reactions, serviceability limits, and comprehensive evaluation using the Analytic Hierarchy Process–Technique for Order Preference by Similarity to Ideal Solution (AHP–TOPSIS). Results show that the united all-steel scheme gives the smallest deformation but concentrates axial force, whereas the tied all-steel scheme produces high reaction and stress demands. The as-built timber–steel tied scheme is not optimal in every indicator, but provides balanced performance in force transfer, serviceability, material use, and historical compatibility, supporting conservation-oriented structural assessment.