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This study will examine the relative creep deflection and creep factor of open web truss joists (OWTJ) numerically by using the coefficients data from the Prony series creep equations. Prony series equation based on OWTJ creep test for 217 days. The OWTJ structure is manufactured from LVL Sengon material with joint elements using adhesives/glue with adhesive strength higher than adhesion between veneers LVL Sengon. Numerical analysis using the ABAQUS software and discrete model of LVL Sengon material is assumed to be a linear element of hexahedron with type C3D8R (continuum stress/displacement, three-dimensional, and 8 nodes, reduced integration). The result of numerical analysis showed that the relative creep deflection was 0.535 or the value of the creep factor was 1.535.

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Numerical Analysis of LVL Sengon Open Web Truss Joist (OWTJ) Creep

  • 会议论文

  • 发表日期：

    2025年

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  • Achmad Basuki

摘要

This study will examine the relative creep deflection and creep factor of open web truss joists (OWTJ) numerically by using the coefficients data from the Prony series creep equations. Prony series equation based on OWTJ creep test for 217 days. The OWTJ structure is manufactured from LVL Sengon material with joint elements using adhesives/glue with adhesive strength higher than adhesion between veneers LVL Sengon. Numerical analysis using the ABAQUS software and discrete model of LVL Sengon material is assumed to be a linear element of hexahedron with type C3D8R (continuum stress/displacement, three-dimensional, and 8 nodes, reduced integration). The result of numerical analysis showed that the relative creep deflection was 0.535 or the value of the creep factor was 1.535.