Name: wood fastener types and uses
Uploaded: 2024-09-12T16:16:32.000Z
Duration: 1 min 18 s
Channel: JoVE

Dans les structures en bois, les fixations maintiennent les composants en place. La résistance de la liaison dépend principalement du roulement direct des membres.
Différentes attaches, comme les clous, sont des goupilles métalliques pointues enfoncées dans le bois à l’aide d’un marteau ou d’un pistolet mécanique.
Il existe une large gamme de types de clous, avec différents diamètres, têtes et longueurs.
Le clouage frontal, le clouage d’extrémité et le clouage des orteils sont trois techniques utilisées pour fixer les éléments en bois avec des clous.
Les vis, qui sont des fixations à filetage en spirale, sont de différents types et sont installées en appliquant un mouvement de torsion pour les enfoncer solidement dans le bois.
Cette action fait que les filetages tirent fermement la vis dans le matériau qu’elle fixe.
Les boulons sont placés dans des trous pré-percés à l’aide d’une clé pour tourner l’écrou du côté opposé à la tête du boulon, et le boulon est serré et fixé en place.
Les rondelles plates en acier sous la tête du boulon et l’écrou répartissent la force sur une plus grande surface de bois, réduisant ainsi l’écrasement des fibres.
Les connecteurs à anneau fendu, les plaques dentées et les dispositifs de charpente métallique sont également utilisés dans les assemblages d’éléments en bois à des fins de fixation.

fixations pour bois

Wood Fasteners

Dans la construction en bois, les fixations sont essentielles pour fixer les composants ensemble, la résistance de la connexion dépendant en grande partie de l'appui direct entre les éléments. Différents types de fixations sont utilisés, chacun adapté à des applications et des exigences structurelles spécifiques.

Les clous sont les fixations les plus courantes, constituées de broches métalliques pointues qui sont enfoncées dans le bois à l'aide d'un marteau ou d'un pistolet à clous mécanique. Ils sont disponibles dans une variété de diamètres, de têtes et de longueurs. Les techniques de clouage comprennent le clouage de face, le clouage d'extrémité et le clouage de pied, chaque méthode offrant des angles et des résistances différents des connexions des éléments en bois.

Les vis sont un autre type de fixation, caractérisées par leurs filetages en spirale qui permettent une prise sûre lorsqu'elles sont tordues dans le bois. L'installation implique un mouvement de torsion qui tire la vis dans le bois, créant ainsi une prise solide. Les vis sont disponibles en différents types, chacune conçue pour des utilisations spécifiques.

Les boulons offrent une connexion plus robuste. Ce sont des fixations filetées qui sont insérées dans des trous pré-percés. Un écrou est utilisé pour fixer le boulon et l'écrou est serré avec une clé. Les rondelles plates en acier placées sous la tête du boulon et l'écrou aident à répartir la force sur une plus grande surface, évitant ainsi l'écrasement des fibres de bois.

D'autres éléments de fixation, tels que les connecteurs à anneau fendu, les plaques dentées et les dispositifs de charpente métallique, jouent également un rôle crucial dans la construction en bois, améliorant la durabilité et l'intégrité des structures en bois. Ces éléments de fixation sont essentiels pour maintenir la stabilité structurelle et assurer la longévité des constructions en bois.

Fixations pour bois

Dans les structures en bois, les fixations maintiennent les composants en place. La résistance de la liaison dépend principalement du roulement direct des membres.
Différentes attaches, comme les clous, sont ...

Education

Enseignement

JoVE Core

Civil Engineering

Génie civil

Unit 1

Unité 1

Wood

Bois

KEY TERMS AND CONCEPTS

TERMES ET CONCEPTS CLÉS

wood fastener types and uses

Wood fasteners connect parts of a wood structure and help keep members in place. The strength of the connection depends mainly on direct bearing between the wood members. Different fasteners are chosen for different jobs and structural needs.

Nails are the most common wood fasteners. They are sharp-pointed metal pins that are driven into wood with a hammer or a mechanical nail gun. Nails come in many diameters, head styles, and lengths.

Nailing methods also matter. Face nailing places the nail through the face of one member. End nailing drives the nail into the end of a board, and toe nailing places it at an angle for a stronger connection between members.

Screws use spiral threads to hold firmly in wood. A screw is twisted into place, and that turning motion pulls it deeper into the wood. Different screw types are made for different uses.

Bolts provide a stronger connection and are used with predrilled holes. A nut secures the bolt, and a wrench tightens the nut. Flat steel washers under the bolt head and nut spread the force over a larger area and help prevent the wood fibers from being crushed.

Other wood connectors also support strong construction. Split-ring connectors, toothed plates, and metal framing devices help improve the durability and integrity of wood structures. These fasteners are important for structural stability and for helping wood constructions last longer.

Wood Fastener Types and Uses

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wood fasteners

Wood fasteners connect parts of a wood structure and help keep members in place. The strength of the connection depends mainly on direct bearing between the wood members. Different fasteners are chosen for different jobs and structural needs. Nails are the most common wood fasteners. They are sharp-pointed metal pins that are driven into wood with a hammer or a mechanical nail gun. Nails come in many diameters, head styles, and lengths. Nailing methods also matter. Face nailing places the...

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civil engineering

Wood Fastener Types and Uses

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