Semi-rigid Behavior of Joints in Wood Light-frame Structures

Baszeń, M.

doi:10.1016/j.proeng.2017.02.022

Cited by 17 publications

(4 citation statements)

References 2 publications

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“…There is a nonlinear dependence between the force value and the deformation of the connection for most types of shear bracings: dowels [3], bolts [4], MTP [5], claw connectors [6], screws [7], clamps [8], etc. Thereby, it is necessary to consider the change in stiffness depending on the forces for buildup columns with nonlinearly deformable yielding connections.…”

Section: Methodsmentioning

confidence: 99%

Calculation features of compressed-bent build-up timber columns with nonlinear-deformable shear bracings

Popov

Karelsky

Sopilov

et al. 2022

IOP Conf. Ser.: Mater. Sci. Eng.

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Object of research is build-up compressed–bent and eccentrically compressed columns on yielding nonlinear – deformable shear bracings. Purpose of the research is development of a numerical method for calculation of columns, allowing to take in account the influence of deflection of elastic axis of bar on the increment of the bending moment from the action of longitudinal compressive force and the nonlinear dependence between the forces and deformations in the shear bracings. Problem-solving method consists in dividing the column into separate sections, a system of equations is compiled from the condition of equality of the increment of concentrated shears. The loading process is divided into a set number of stages, at each forces in the shear bracings, the stresses in the branches, and the buckling function of the elastic axis of the element are determined. The obtained values of forces in the shear bracings and buckling are used to specify stiffness of the bracings and component of the bending moment arising due to eccentric application of the longitudinal compressive force when longitudinal axis of the element is deflecting. To obtain the resulting values, the obtained forces, deflections and stresses in the branches at each calculation stage are summed up.

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Section: Methodsmentioning

confidence: 99%

Calculation features of compressed-bent build-up timber columns with nonlinear-deformable shear bracings

Popov

Karelsky

Sopilov

et al. 2022

IOP Conf. Ser.: Mater. Sci. Eng.

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“…On the condition that the adhesive is applied to only one surface, using 150 g/m 2 -200 g/m 2 adhesive seems to be suitable. The physical properties of this glue were determined as press pressure of 0.1 MPa -0.8 MPa, pH 3.5, viscosity (at 20 °C) 16000 MPa•s -15000 MPa•s, density 1.08 g/cm 3 . It is stated by the manufacturer that the wood bonding time is 35-40 minutes at room temperature.…”

Section: Adhesive Materials 22 Ljepilomentioning

confidence: 99%

“…Likos et al (2012) investigated the effects of tenon geometry, grain orientation, and shoulder-length on the bending moment capacity and moment rotation of wood structures. Baszeń (2017) discussed the joint flexibility problem in wood light-frame structures and presented the results on rotational and axial stiffness of joint in wood light-frame structures. Also, adhesive bonding is more frequently used than mechanical joints in some wooden structures.…”

Section: Introduction 1 Uvodmentioning

confidence: 99%

An Investigation of Flexural Behavior of Pure and Hybrid Wood Composite Panels Using Weibull Analyses

Karaman

Balcıoğlu

2021

Drv. ind. (Online)

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The production of inexpensive wood products compared to their strength is important both in terms of economy and meeting the expectations of users. For this purpose, the use of hybrid wood products is increasing in the furniture industry. With the hybridization process, relatively cheap and flimsy material is combined with a material that has a stronger structure. Thus, stronger bonded material is manufactured cheaper. In this study, the flexural behavior of pure and hybrid wood composite panels, which were prepared by applying longitudinal jointing techniques from different wood materials, was investigated. In this context, pure chipboard, pure medium density fiberboard (MDF), chipboard-east beech and MDF-east beech hybrid wood composite panels were produced. During the hybridization process, oriental beech was combined by using the self-grooving technique in three different numbers as one row, two rows, and three rows. Flexural test results were analyzed according to the Weibull distribution method. The results of the analyses showed that the hybridization process increased the flexural strength and flexural modulus of pure wood panels by up to 214 %, and 95 %, respectively.

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“…Entretanto, edificações em madeira constituem sistemas não monolíticos e a rigidez dessas construções está diretamente associada aos materiais utilizados para a ligação que conectam os elementos [2]. O desempenho dessas ligações é influenciado pela espécie, pela presença ou não de defeitos na madeira, pela direção em que o conector está sendo aplicado em relação às fibras, por possíveis variações dimensionais que possam a ocorrer devido à mudança no teor de umidade e à temperatura do ambiente ou se a construção se encontra em situação de incêndio [3][4][5][6].…”

Section: Introductionunclassified

Resistência ao cisalhamento de ligações de madeira para produção de painel do sistema wood frame com eucalipto jovem

et al. 2020

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RESUMO Em estruturas de wood frame, as ligações entre montantes e banzos tem como finalidade garantir a rigidez e o contraventamento necessários para essas construções, que são naturalmente flexíveis, quando submetidas aos esforços horizontais tais como vento e sismos. Este trabalho teve como objetivo avaliar a resistência ao cisalhamento de ligações de madeira para produção de painel de wood frame produzidos com madeira de eucalipto jovem (menos que 15 anos de idade), tendo em vista que o plantio de espécies desse gênero é mais abundante no país. Os tipos de ligações escolhidas para este estudo foram do tipo chapa de dente estampado, parafuso autoatarraxante e encaixe de madeira. Para cumprir esse objetivo, foram utilizados corpos de prova de madeira de Eucalyptus pellita com idade variando entre 7 e 10 anos (classe C20). Foram utilizados os procedimentos experimentais previstos no projeto de revisão de norma da ABNT PN 02:126.10-001-4 (ABNT, 2017). Os resultados indicaram que a ligação do tipo encaixe é a mais apropriada para a ligação entre banzos e montantes de painéis de wood frame produzidos com madeira de eucalipto jovem, por ter melhor resistência e maior rigidez ao cisalhamento quando comparada com as ligações com parafuso autoatarraxante à 90° e chapa de dente estampado.

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Semi-rigid Behavior of Joints in Wood Light-frame Structures

Cited by 17 publications

References 2 publications

Calculation features of compressed-bent build-up timber columns with nonlinear-deformable shear bracings

Calculation features of compressed-bent build-up timber columns with nonlinear-deformable shear bracings

An Investigation of Flexural Behavior of Pure and Hybrid Wood Composite Panels Using Weibull Analyses

Resistência ao cisalhamento de ligações de madeira para produção de painel do sistema wood frame com eucalipto jovem

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