Results 91 to 100 of about 21,426 (264)

Reinforcement of Timber Dowel-Type Connections Using Self-Tapping Screws and the Influence of Thread Configurations [PDF]

open access: yes
The application of self-tapping screws as reinforcement on glulam connections has been proven effective. However, the implication of different thread configurations on the effectiveness of reinforcement remains unknown.
Li X   +5 more
core  

Cooperation Pullout Test of Double Self-Tapping Screws in Wood Structures

open access: yes, 2011
In this paper, the experimental study on the self-tapping screw’s pullout resistance in the wood structure was conducted. Domestic ordinary screws were used together with imported or domestic wood to fabricate 6 screw connection specimens in wooden walls.
Jian Xing Zhang   +4 more
core   +1 more source

Experimental Study and Finite Element Analysis on the Bearing Capacity of a Novel Light-Steel Truss with Cap-Shaped Chords

open access: yesBuildings
Aiming to address the shortcomings of traditional large-span light-steel trusses, such as low bearing capacity and inconvenient on-site assembly, this paper proposes a novel cap-shaped chord light-steel truss.
Yao Li   +5 more
doaj   +1 more source

Reimagining clinical psychology for a changing planet

open access: yesPsychology and Psychotherapy: Theory, Research and Practice, EarlyView.
Abstract Objectives The interconnected climate and ecological emergencies (CEE) are driving irreversible planetary changes with profound consequences for physical and mental health. Clinical psychology holds valuable skills for mitigating and adapting to these impacts, yet the profession lacks a coherent vision for its role.
Georgia King   +3 more
wiley   +1 more source

Lateral connection behavior of molded core sandwich panels with self-tapping screws

open access: yes, 2016
This study investigated lateral connection behavior of a single shear connection between a molded core sandwich panel produced with wood strands, and solid sawn lumber.
Akgul, Tahir   +3 more
core   +1 more source

Experimental Investigation of the Shear Behavior of the Blind Rivet and Self-tapping Screw Hybrid Connection

open access: yes工程科学与技术
This study proposes a hybrid connection of pull rivets and self-tapping screws to address the defects in components connected by self-tapping screws, which are susceptible to pulling and causing severe damage to the structure during seismic activity, and
Yunpeng CHU   +3 more
doaj  

Buckling Analysis and Section Optimum for Square Thin-Wall CFST Columns Sealed by Self-Tapping Screws

open access: yesAdvances in Civil Engineering, 2019
Two columns of thin-walled concrete-filled steel tubes (CFSTs), in which tube seams are connected by self-tapping screws, are axial compression tested and FEM simulated; the influence of local buckling on the column compression bearing capacity is ...
He Zhang   +4 more
doaj   +1 more source

The oral microbiota and periodontal health in orthodontic patients

open access: yesPeriodontology 2000, EarlyView.
Abstract The oral microbiota develops within the first 2 years of childhood and becomes distinct from the parents by 4 years‐of‐age. The oral microbiota plays an important role in the overall health/symbiosis of the individual. Deviations from the state of symbiosis leads to dysbiosis and an increased risk of pathogenicity.
Brandon W. Peterson   +4 more
wiley   +1 more source

Using self-tapping screw to reinforce dowel-type connection in a timber portal frame [PDF]

open access: yes, 2019
In this study, partially threaded self-tapping screws have been used as reinforcement on timber portal frames to enhance mechanical performance of dowel-type connections.
Zhang, C.   +4 more
core   +1 more source

Effects of Intersection Angle on the Nail-holding Performances of Pinus massoniana and Cunninghamia lanceolata Dimension Lumber

open access: yesBioResources
Self-tapping screws and round steel nails were driven into Pinus massoniana and Cunninghamia lanceolata dimension lumber pieces to explore the influence of intersection angle on nail-holding performance, expecting to provide a more complete scientific ...
Xiaoxue Xu   +9 more
doaj  

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