Round Timber Bolted Joints with Steel Plates under Static and Cyclic Loading

Lokaj, Antonín

doi:10.4028/www.scientific.net/kem.627.29

Cited by 8 publications

(8 citation statements)

References 9 publications

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“…Bolted joints are widely used in timber structures [31], [32] and have the advantages of simplicity, reliability and convenience, which can fully exploit the mechanical properties of the connected materials. There are many kinds of bolted joints, which can be classified into three types according to the stress conditions (Fig.…”

Section: Bolted Jointmentioning

confidence: 99%

Review of connections for engineered bamboo structures

Hong

Xiong

et al. 2020

Journal of Building Engineering

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Bamboo is a green building material that is environmentally friendly and has great development value. However, the limited mechanical properties and heterogeneous dimensions of natural bamboo poles curb the application of bamboo in building structures. A transverse section of engineered bamboo is regular and compact, and its mechanical properties are stable, which can meet the requirements for physical and mechanical properties of materials in modern building structures. Though application of engineered bamboo has just started, it is of great significance to study the connection performance and corresponding influence factors for popularization and application of modern bamboo structures. This paper is focused on a review of research progress for connections in engineered bamboo structures. Firstly, a study on embedding strength and the performance of bolted joints is presented, including calculation methods described with a proposal for future development of standards suitable for the characteristics of engineered bamboo materials. Secondly, research on carpentry joints is introduced, namely tenonmortise joints, nail joints and truss plate joints. Finally, some engineering examples are briefly introduced. This work can provide a reference for further research on connections in engineered bamboo structures.

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Section: Bolted Jointmentioning

confidence: 99%

Review of connections for engineered bamboo structures

Hong

Xiong

et al. 2020

Journal of Building Engineering

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“…The aim of this study is also to build on previous research activities conducted at the Faculty of Civil Engineering of the VSB Technical University of Ostrava by Klajmonova et al A series of experiments was carried out to compare the load-carrying capacity of bolted connections with inserted steel plates, both for squared timber and round timber, but always for the same placement and number of fasteners [8][9][10][11]. Methods of effective reinforcement for bolted connections subjected to brittle failure were also designed and tested [12].…”

Section: Research Significancementioning

confidence: 99%

“…The load-carrying capacity and the stiffness of connections are crucial to the serviceability and durability of the whole structure, especially for large-span structures with many connections [1,7] and structures with heavily loaded connections [2]. The most common types of connections in timber structures use metal mechanical fasteners, which are often used in combination with steel plates slotted into cut-outs in timber members (see Figure 1) [8][9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Effects of Loaded End Distance and Moisture Content on the Behavior of Bolted Connections in Squared and Round Timber Subjected to Tension Parallel to the Grain

2020

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This article presents the results of static tests on bolted connections in squared and round timber with inserted steel plates. The experiment evaluates structural timber connections with different distances between the fastener and the loaded end at different moisture contents. Specimens were loaded by tension parallel to the grain and load–deformation diagrams were recorded. Fifty-six specimens with three different distances between the fastener and the loaded end, at different moisture contents, were tested. The results were statistically evaluated using regression analysis, complemented with load–deformation curves, and compared with calculations according to the valid standard for design of timber structures. A decrease in the evaluated load-carrying capacity with increasing moisture content was confirmed experimentally. A slight increase in the evaluated load-carrying capacity with increasing fastener distance from the loaded end was found.

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“…The probability that the D phenomenon occurs in t I is: (26) The probability that the U phenomenon occurs in t I is: (27) In order to specify the time for the next inspection, it is necessary to determine the conditioned probabilities which can be expressed using the full probability rule:…”

Section: Determination Of Structural Inspectionsmentioning

confidence: 99%

Probabilistic prediction of fatigue damage based on linear fracture mechanics

Krejsa¹,

Koubová²,

Flodr³

et al. 2016

Frattura Ed Integrità Strutturale

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Paper describes in detail and gives example of the probabilistic assessment of a steel structural element subject to fatigue load, particular attention being paid to cracks from the edge and those from surface. Fatigue crack damage depends on a number of stress range cycles. Three sizes are important for the characteristics of the propagation of fatigue cracks -the initial size, detectable size and acceptable size. The theoretical model of fatigue crack progression in paper is based on a linear fracture mechanics. When determining the required degree of reliability, it is possible to specify the time of the first inspection of the construction which will focus on the fatigue damage. Using a conditional probability, times for subsequent inspections can be determined. For probabilistic calculation of fatigue crack progression was used the original and new probabilistic methods -the Direct Optimized Probabilistic Calculation ("DOProC"), which is based on optimized numerical integration. The algorithm of the probabilistic calculation was applied in the FCProbCalc code ("Fatigue Crack Probabilistic Calculation"), using which is possible to carry out the probabilistic modelling of propagation of fatigue cracks in a user friendly environment very effectively.

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Round Timber Bolted Joints with Steel Plates under Static and Cyclic Loading

Cited by 8 publications

References 9 publications

Review of connections for engineered bamboo structures

Review of connections for engineered bamboo structures

Effects of Loaded End Distance and Moisture Content on the Behavior of Bolted Connections in Squared and Round Timber Subjected to Tension Parallel to the Grain

Probabilistic prediction of fatigue damage based on linear fracture mechanics

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