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The post-and-plank wall is a historic timber structure used in Bulgaria and other countries in different modifications. The members are connected by carpentry joints which makes their seismic analysis a complex and challenging task. Three post-and-plank wall specimens were tested under a combination of constant vertical and static cyclic horizontal loading according to the standard ISO21581. Different magnitudes of the vertical action were applied to each specimen to study the influence of the gravity load on the wall behavior. Two methods for measuring the displacements were used - inductive transducers and digital image correlation (DIC), which allowed for a thorough assessment of each zone of the walls and a global field of displacement at each moment of the testing process. Variation of the vertical load influenced the stiffness of the walls. High deformation capacity and damage localized mostly in the joints were reached during the tests. In the following article the failure mechanism, hysteretic behavior, and ductility parameters are analyzed.

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Structural Behavior of Post-and-Plank Timber Walls Subjected to Vertical and Cyclic Horizontal Loads

  • 会议论文

  • 发表日期：

    2025年

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  • Vatyu Tanev,
  • Petya Gruewa,
  • Georgi Stoilov,
  • Dessislava Pashkouleva

摘要

The post-and-plank wall is a historic timber structure used in Bulgaria and other countries in different modifications. The members are connected by carpentry joints which makes their seismic analysis a complex and challenging task. Three post-and-plank wall specimens were tested under a combination of constant vertical and static cyclic horizontal loading according to the standard ISO21581. Different magnitudes of the vertical action were applied to each specimen to study the influence of the gravity load on the wall behavior. Two methods for measuring the displacements were used - inductive transducers and digital image correlation (DIC), which allowed for a thorough assessment of each zone of the walls and a global field of displacement at each moment of the testing process. Variation of the vertical load influenced the stiffness of the walls. High deformation capacity and damage localized mostly in the joints were reached during the tests. In the following article the failure mechanism, hysteretic behavior, and ductility parameters are analyzed.