Requirements for moment connections in statically indeterminate timber structures

Leijten, Ajm Ad

doi:10.1016/j.engstruct.2011.03.014

Cited by 17 publications

(4 citation statements)

References 1 publication

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“…In the past, efforts to apply reinforceme nt materials in timber connections like glass-fibre, punched metal plates, steel plates and dvw were reported, Leijten [10]. The moment transferring capacity of non-reinforced moment connections with dowel-type fasteners does not usually exceed 10%-20% of the bending capacity of the timber members.…”

Section: Moment Connection S In Timber Structuresmentioning

confidence: 99%

Advances in moment transfering dvw reinforced timber connections – Analysis and experimental verification, Part 1

Leijten

Brandon

2013

Construction and Building Materials

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Section: Moment Connection S In Timber Structuresmentioning

confidence: 99%

Advances in moment transfering dvw reinforced timber connections – Analysis and experimental verification, Part 1

Leijten

Brandon

2013

Construction and Building Materials

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“…Research in the area of mass timber construction has largely focused on the material properties, [4][5][6] with only limited studies investigating connection methodologies. [7][8][9][10][11] Most studies have utilized traditional mechanical testing methods for assessing the quality of connections, such as pull-out or shear tests. Further, the literature reveals that there is a noticeable gap in terms of automating quality checks, with current procedures largely dependent on human evaluation.…”

Section: Introductionmentioning

confidence: 99%

A laser-based quality control of screw penetration in mass timber connections

Ghadimzadeh Alamdari,

Aghayere,

Ebrahimkhanlou

2024

Health Monitoring of Structural and Biological Systems XVIII

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Mass timber is a relatively new and sustainable construction material that can carry large loads. Such loads require new connections that often use very long screws. However, ensuring their mechanical integrity against overtightening is paramount for structural safety. Traditional manual evaluations present limitations. This research employs laser scanning technology for automated evaluation of screw penetration in wood-aluminum interfaces using VGS9180 screws. By applying torque ranging from 10 to 50 Nm in 5 Nm intervals, a critical torque-penetration correlation emerged, highlighting a sensitive range between 35-40 Nm. Within this range, small overtightening can jeopardize the integrity of the connection. The study underscores laser scanning's efficacy in pinpointing improperly torqued screws, offering a potential leap in quality assurance for timber construction. The results of this study indicate a threshold-based method can detect overtightened screws on the experimental setup when the distance between two surfaces falls beyond 3.2 mm.

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“…Joints and connections play extremely important roles in structural timber and steel design. For timber structures, the resistance, ductility, and energy dissipation depend on the connections (Xu et al 2009;Leijten 2011;Liu and Yang 2019). With the increasing application of timber structures in multi-story and long-span structures, it is necessary to develop new types of jointing or connection systems to meet the needs of prefabrication, efficiency, high performance, etc.…”

Section: Introductionmentioning

confidence: 99%

Experimental static and seismic behaviour of glulam beam-to-column connection with screwed-in threaded rod joints

Yang

Wang

et al. 2021

BioRes

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To evaluate the static and seismic behaviour of glulam beam-to-column connections with screwed-in threaded rods, nine specimens grouped in three were tested under both monotonic and reversed cyclic loads. The failure modes, moment resistance, initial rotation stiffness, ductility, and energy dissipation capacity of the developed connections were investigated. The results indicated that the developed beam-to-column connections showed superior structural performance. Furthermore, with the introduction of a steel bracket, the hybrid screwed-in threaded rod connection features larger stiffness, higher load-carrying capacity, remarkable ductility, and better energy dissipation capacity. The main failure modes included the yielding of steel brackets, as well as the yielding or rupture of the threaded rods, which indicated a ductile behaviour. The connection specimens with steel columns showed larger stiffness than those with glulam columns, which is reasonable for the bigger compressive deformation of glulam columns.

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Requirements for moment connections in statically indeterminate timber structures

Cited by 17 publications

References 1 publication

Advances in moment transfering dvw reinforced timber connections – Analysis and experimental verification, Part 1

Advances in moment transfering dvw reinforced timber connections – Analysis and experimental verification, Part 1

A laser-based quality control of screw penetration in mass timber connections

Experimental static and seismic behaviour of glulam beam-to-column connection with screwed-in threaded rod joints

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