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

Em estruturas de madeira, os fixadores mantêm os componentes no lugar. A força da conexão depende principalmente do rolamento direto do membro.
Diferentes fixadores, como pregos, são pinos de metal pontiagudos cravados na madeira com um martelo ou uma pistola mecânica.
Existe uma ampla gama de tipos de unhas, com diferentes diâmetros, cabeças e comprimentos.
Pregagem facial, pregagem final e pregagem do dedo do pé são três técnicas usadas para prender membros de madeira com pregos.
Os parafusos, que são fixadores com roscas em espiral, vêm em uma variedade de tipos e são instalados aplicando um movimento de torção para encaixá-los na madeira com segurança.
Essa ação faz com que as roscas puxem o parafuso firmemente no material que está prendendo.
Os parafusos são colocados em orifícios pré-perfurados usando uma chave inglesa para girar a porca no lado oposto à cabeça do parafuso, e o parafuso é apertado e preso no lugar.
Arruelas de aço planas sob a cabeça do parafuso e a porca distribuem a força sobre uma área de madeira maior, reduzindo o esmagamento da fibra.
Conectores de anel dividido, placas dentadas e dispositivos de estrutura de metal também são usados em conexões de membros de madeira para servir ao propósito de fixação.

fixadores de madeira

Wood Fasteners

Na construção em madeira, os fixadores são essenciais para prender componentes juntos, com a força da conexão amplamente dependente do rolamento direto entre os membros. Vários tipos de fixadores são empregados, cada um adequado para aplicações específicas e requisitos estruturais.

Pregos são os fixadores mais comuns, consistindo em pinos de metal pontiagudos que são cravados na madeira usando um martelo ou uma pistola de pregos mecânica. Eles vêm em uma variedade de diâmetros, cabeças e comprimentos. As técnicas de pregar incluem pregar na face, pregar na extremidade e pregar no pé, cada método fornecendo diferentes ângulos e forças de conexões de membros de madeira.

Parafusos são outro tipo de fixador, caracterizados por suas roscas espirais que permitem uma pegada segura quando torcidos na madeira. A instalação envolve um movimento de torção que puxa o parafuso para dentro da madeira, criando uma fortaleza. Os parafusos estão disponíveis em vários tipos, cada um projetado para usos específicos.

Parafusos fornecem uma conexão mais robusta. Eles são fixadores roscados que são inseridos em furos pré-perfurados. Uma porca é usada para prender o parafuso, e a porca é apertada com uma chave. Arruelas de aço planas colocadas sob a cabeça do parafuso e a porca ajudam a distribuir a força sobre uma área maior, evitando o esmagamento das fibras de madeira.

Outros fixadores, como conectores de anel dividido, placas dentadas e dispositivos de estrutura de metal, também desempenham papéis cruciais na construção de madeira, aumentando a durabilidade e a integridade das estruturas de madeira. Esses fixadores são vitais para manter a estabilidade estrutural e garantir a longevidade das construções de madeira.

Fixadores de madeira

Em estruturas de madeira, os fixadores mantêm os componentes no lugar. A força da conexão depende principalmente do rolamento direto do membro.
Diferentes fixadores, como pregos, são ...

Education

JoVE Core

Civil Engineering

Engenharia Civil

Unit 1

Unidade 1

Wood

Madeira

KEY TERMS AND CONCEPTS

TERMOS E CONCEITOS-CHAVE

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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key terms and concepts

Learn how nails, screws, bolts, washers, and other wood connectors hold wood members together and support strong, stable construction.

Wood Fastener Types and Uses | JoVE K12

JoVE Core Civil Engineering provides a foundational exploration of essential construction materials in civil engineering, focusing on bricks, stones, steel, wood, and concrete through easy-to-understand animated videos. This collection covers the properties, manufacturing processes, and practical applications of these materials. Additionally, the accompanied science-in-action videos demonstrate the research experiments performed in laboratories.

civil engineering

Wood Fastener Types and Uses

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