An experimental comparison of strengthening solutions for dowel-type wood connections

Santos, C. L.; Jesus, Abílio M.P. De; Morais, J.J.L.; Fontoura, Bruno F.C.

doi:10.1016/j.conbuildmat.2013.03.021

Cited by 23 publications

(11 citation statements)

References 14 publications

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“…Experiment done by Santos et al [16] investigated the suitable technique to adhesively bond for dowel wood connections. They proposed two techniques for Fig.…”

Section: Dowel Connectionsmentioning

confidence: 99%

A Review of Connections for Glulam Timber

2015

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The use of timber as structural member have come under serious review and study recently as good quality logs are alarmingly becoming scarce besides the chronic problems of traditional sawn timber. Many researches regarding the use of timber are needed to strengthen or repair old timber structures as well as to improve the mechanical properties of new timber structures. Connection is one of the important parts in wood-based products. It can help the structure to increase their strength performance. A detailed and proper connection must be designed properly in order to make sure that the structure can transfer design loads to and from a structural glulam without causing localized stress concentrations that can cause any failure at the joint. This paper reviewed about the performance of glulam with connection, glulam as a replacement of solid timber since it have been proved by some researchers that it give better strength compared to solid timber and the best connection type that can be used to strengthen the structural glulam member.

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“…Experiment done by Santos et al [16] investigated the suitable technique to adhesively bond for dowel wood connections. They proposed two techniques for Fig.…”

Section: Dowel Connectionsmentioning

confidence: 99%

A Review of Connections for Glulam Timber

2015

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“…Dowel-type joints, an effective fastening technique extensively applied in actual engineering, have attracted tremendous research interest. Extensive experimental and numerical studies on the static [2][3][4][5] and cyclic behavior [6][7][8] of dowel-type joints have been conducted and available in the literature. e load-carrying capacity and failure modes of bolted joints are related to material behavior, geometry, and loading type.…”

Section: Introductionmentioning

confidence: 99%

Cyclic Behavior and Modeling of Bolted Glulam Joint with Cracks Loaded Parallel to Grain

Zhang

Liu

et al. 2021

Advances in Civil Engineering

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Under varying humidity and temperature conditions, with the constraint of metal fasteners to wood shrinkage, cracks along the bolt lines are generally observed in bolted glulam joints. A three-dimensional (3D) numerical model was established in software package ANSYS to investigate the cyclic behavior of bolted glulam joints with local cracks. A reversed cyclic loading was applied in the parallel-to-grain direction. The accuracy of numerical simulation was proved by comparison with full-scale experimental results. Typical failure modes were reproduced in the numerical analysis with the application of wood foundation zone material model and cohesive zone material model. The effect of crack number and length on the hysteretic behavior of bolted glulam joints was quantified by a parametric study. It was found that initial cracks impair the peak capacity and elastic stiffness of bolted glulam joints significantly. More decrease in capacity was observed in joints with more cracks, and longer cracks affect elastic stiffness more dramatically. Moreover, with the existence of initial cracks, the energy dissipated and equivalent viscous damping ratio of bolted joints are reduced by 24% and 13.3%, respectively.

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“…Apart from that, dowel is one of the connections that often use for large scales structures. An author stated that numerical and experimental studies will needed in order to improve the design standard for timber connections [3].…”

Section: Introductionmentioning

confidence: 99%

Withdrawal Performance for Different Embedment Depths of Dowel Made from Chengal Species

Rahman¹,

Hassan²,

Zainal³

2020

IJITEE

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the goal of this study is to obtain the withdrawal capacities or Chengal Dowelled connection with the effect of various dowel embedment depths. The embedment depth tested for this study are 30, 60, 90 and 120 mm. Withdrawal test was used in order to obtain the withdrawal capacity using Shimadzu Testing Machine with 50 kN capacity and referring to ASTM D-1037. The samples were prepared referring to National Design Standard (NDS). The average withdrawal capacity of Chengal dowelled connection with 30, 60 90 and 120 mm embedment tested was 1.27 kN (coefficient of variation [COV] 50.5%), 1.79 kN (COV 50.2%), 1.71 kN (COV 53.8%) and 1.90 kN (COV 74.55%) respectively. This study generates data that prove the highest embedment depth has the higher withdrawal capacity. Nevertheless, the percentage different of withdrawal capacity between 120 mm and 60 mm embedment depth is only 6.3% which shows that double the embedment does not contributes to double its strength.

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An experimental comparison of strengthening solutions for dowel-type wood connections

Cited by 23 publications

References 14 publications

A Review of Connections for Glulam Timber

A Review of Connections for Glulam Timber

Cyclic Behavior and Modeling of Bolted Glulam Joint with Cracks Loaded Parallel to Grain

Withdrawal Performance for Different Embedment Depths of Dowel Made from Chengal Species

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