Skip header and navigation

3 records – page 1 of 1.

Experimental Study on the Effectiveness of Finger Joint with Variations in Wood Species Toward Bending Strength of Glulam Beams

https://research.thinkwood.com/en/permalink/catalogue2457
Year of Publication
2019
Topic
Connections
Mechanical Properties
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Author
Anshari, Buan
Rofaida, Aryani
Mahmud, Fathmah
Pathurahman
Rahmalia, R.
Publisher
IOP Publishing Ltd
Year of Publication
2019
Country of Publication
United Kingdom
Format
Journal Article
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Topic
Connections
Mechanical Properties
Keywords
Finger Joints
Flexural Properties
Rajumas
Sengon
Language
English
Research Status
Complete
Series
IOP Conference Series: Earth and Environmental Science
Online Access
Free
Resource Link
Less detail

Numerical Modelling of the Initial Stress and Upward Deflection of Glulam Beams Pre-Stresseed by Compressed Wood

https://research.thinkwood.com/en/permalink/catalogue327
Year of Publication
2014
Topic
Mechanical Properties
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Author
Anshari, Buan
Wei Guan, Zhong
Publisher
Scientific.net
Year of Publication
2014
Country of Publication
Switzerland
Format
Journal Article
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Topic
Mechanical Properties
Keywords
Finite Element Model
Reinforcement
Compressed Wood
Pre-camber
Tensile Stress
Compressive Stress
Language
English
Research Status
Complete
Series
Applied Mechanics and Materials
Summary
A new approach to reinforce glulam timber beams has been developed by using compressed wood (CW) which is made of a lower grade wood through densification processes. In the reinforcing practice, compressed wood blocks are inserted into pre-cut holes on the top of glulam beams to produce pre-camber and to generate initial tensile and compressive stresses on the top and the bottom extreme fibre of the glulam beam. In order to optimize the size, the number and the location of CW blocks, 3-D finite element models have been developed. 3D non-linear finite element models have been developed to simulate the pre-camber of Glulam beams locally reinforced by compressed wood blocks. The models developed have also produced the initial tensile and compressive stresses at the top and bottom extreme fibres with building-up moisture-dependent swelling on the CW blocks. With the pre-camber and the initial stress state that cancel out proportions of working deflection and stresses.
Online Access
Free
Resource Link
Less detail

Structural Behaviour of Glued Laminated Timber Beams Pre-Stressed by Compressed Wood

https://research.thinkwood.com/en/permalink/catalogue303
Year of Publication
2012
Topic
Mechanical Properties
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Author
Anshari, Buan
Wei Guan, Zhong
Kitamori, Akihisa
Jung, Kiho
Komatsu, Kohei
Publisher
ScienceDirect
Year of Publication
2012
Country of Publication
Netherlands
Format
Journal Article
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Topic
Mechanical Properties
Keywords
Compressed Wood
Reinforcement
Pre-Stressing
Moisture Content
Language
English
Research Status
Complete
Series
Construction and Building Materials
Summary
In this study, glulam beams were strengthened by inserting compressed wood (CW) blocks into the precut rectangular holes with one-thirds of the beam depth from the top of the beams. This practice was to make use of moisture-dependent swelling nature of the compressed wood which was conditioned with the moisture content significantly lower than the ambient one. The test results showed that a pre-camber was produced in the mid-span of the beam reinforced due to expansion of the compressed wood blocks on the top part of the beam. As a result, significant initial tensile and compressive stresses were generated on both the top and the bottom extreme fibres of the beam, respectively. Subsequent bending tests revealed that the initial stiffness and load carrying capacity of the pre-stressed beams were increased significantly in comparison to the beam without pre-stressing.
Online Access
Free
Resource Link
Less detail