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

목재 구조물에서 패스너는 구성 요소를 제자리에 고정합니다. 연결 강도는 주로 직접 부재 베어링에 따라 다릅니다.
못과 같은 다른 패스너는 망치 또는 기계총으로 나무에 박힌 뾰족한 금속 핀입니다.
직경, 머리 및 길이가 다른 다양한 못 유형이 존재합니다.
페이스 못 박기, 끝 못 박기, 발가락 못 박기는 못으로 나무 부재를 고정하는 데 사용되는 세 가지 기술입니다.
나선형 나사산이 있는 패스너인 나사는 다양한 종류가 있으며, 비틀림 동작을 가하여 나무에 단단히 끼워 장착합니다.
이 동작으로 인해 나사산이 나사가 고정되는 재료 안으로 단단히 당겨집니다.
렌치를 사용하여 볼트 머리 반대쪽의 너트를 돌리기 위해 미리 뚫린 구멍에 볼트를 삽입하고 볼트를 조이고 제자리에 고정합니다.
볼트 머리와 너트 아래의 평평한 강철 와셔는 더 큰 목재 영역에 힘을 분산시켜 섬유 분쇄를 줄입니다.
분할 링 커넥터, 톱니 플레이트 및 금속 프레임 장치는 고정 목적으로 목재 부재 연결에도 사용됩니다.

목재 파스너

Wood Fasteners

목재 구조물에서 파스너는 부재를 접합하야 고정하는 데 필수적이며, 접합 강도는 주로 부재 사이의 간의 직접적인 지지에 따라 달라집니다. 다양한 유형의 파스너가 있으며, 각각 특정 용도와 구조적 요구 사항에 따라 적절하게 사용됩니다.

못은 가장 일반적인 파스너로, 날카로운 금속 핀을 망치나 기계식 못 박는 총을 사용하여 목재에 박는 장치입니다. 다양한 직경, 머리, 길이가 있습니다. 못 박는 기술로는 표면못박기, 끝못박기, 경사못박기가 있으며, 각각 목재 부재를 연결하는 각도와 강도가 다릅니다.

나사는 또 다른 유형의 파스너로, 나선형 나사산이 특징이며 목재에 비틀었을 때 안전하게 고정됩니다. 설치 과정은 나사를 목재로 끌어당기는 비틀기 동작을 포함되어 견고한 고정 장치를 만듭니다. 다양한 유형의 나사가 있으며, 각각 특정 용도에 맞게 설계되었습니다.

볼트는 더 견고한 접합을 가능하게 합니다. 볼트는 미리 뚫어 놓은 구멍에 삽입하는 나사산 파스너입니다. 너트를 사용하여 볼트를 고정하고 렌치로 조입니다. 볼트 헤드와 너트 아래에 놓인 평강 와셔는 힘을 더 넓은 영역에 분산시켜 목재 섬유의 손상을 방지합니다.

분할 링 커넥터, 톱니 플레이트, 금속 프레임 장치와 같은 다른 파스너도 목재 구조에서 중요한 역할을 하며 목재 구조물의 내구성과 무결성을 향상시킵니다. 이렇게 파스너는 구조적 안정성을 유지하고 목재 구조물의 수명을 보장하는 데 필수적입니다.

목재 구조물에서 패스너는 구성 요소를 제자리에 고정합니다. 연결 강도는 주로 직접 부재 베어링에 따라 다릅니다.
못과 같은 다른 패스너는 ...

Education

교육

JoVE Core

Civil Engineering

토목공학

Unit 1

제1단원

Wood

나무

KEY TERMS AND CONCEPTS

주요 용어 및 개념

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

introduction to wood

Wood Structure and Uses in Building

Wood is a construction material made from trees. A tree trunk has several layers. The outside is a protective layer of dead bark. Under that is living bark, then the cambium, then sapwood. As sapwood matures, it becomes heartwood. The pith sits at the center of the trunk. The age of a tree can be read from its growth rings. These rings are concentric bands seen in a trunk cross-section. Wood strength also depends on grain. Grain refers to elongated, tubular cells that run along the length of...

softwoods and hardwoods

Wood Grain in Softwoods and Hardwoods

Softwoods and hardwoods come from different kinds of trees, and their leaf structures and cell makeup help explain how they are used. Softwoods come from cone-bearing trees with needle-like leaves. Hardwoods usually come from trees that shed broad leaves seasonally. Softwoods are made mostly of long cells called tracheids and a smaller number of rays, which are radial cells. This simpler structure gives softwoods a rougher grain. Because of this, they are often used in construction for...

lumber

Lumber Cutting Methods

Lumber is made from logs that are harvested, debarked, and processed into long pieces with a rectangular cross-section. The process starts when an automated saw slices a log into slabs. Those slabs then move on a conveyor belt to smaller saws, where they are cut into square-edged pieces of specific widths. Freshly cut lumber usually has rough surfaces. Its dimensions may also vary slightly from one end to the other. The way wood is cut affects both the lumber’s appearance and how it is used. <br...

structural properties and dimensions of lumber

structural-properties-and-dimensions-of-lumber

Wood Strength Tests and Lumber Sizes

Wood strength depends on how its fibers are aligned along the length of the tree. This alignment gives wood much greater tensile strength along the grain than across it, sometimes up to twenty times higher. Wood also tends to perform better under compression than under tension. Fiber length varies by wood type. Hardwoods have fibers about one twenty-fifth of an inch long. Softwoods have longer fibers that range from one-eighth to one-third of an inch. Laboratory tests help measure how wood...

seasoning of wood

Wood Drying for Stronger Construction

Seasoning of wood is the drying process used to lower and stabilize moisture content before wood is used in construction. Fresh wood can swell when it takes in moisture and contract as it dries. Seasoning helps reduce that movement so the wood stays more stable after it is built into a structure. The main goal is to reach equilibrium moisture content. This is the point where the wood’s moisture level matches the moisture in the surrounding environment. When wood is seasoned properly, it is...

wood surfacing

Wood Surfacing for Smooth, Safe Lumber

Wood surfacing smooths lumber, improves its size accuracy, and makes it safer to handle. It is a key finishing step in woodworking and construction. The process also helps correct small distortions that can form as wood dries. Before surfacing, the wood may be sized slightly larger to account for shrinkage during seasoning, which is the drying stage. A plane, a tool with rotating blades, is used to remove material and smooth the surface. The same tool can also round the edges a little, which...

lumber defects

Common Wood Flaws in Lumber

Lumber defects are flaws in wood that can change both its appearance and its strength. These defects come from tree growth and from the way lumber is processed. Knowing the main defects helps explain why some boards are better for construction and manufacturing than others. Some defects begin in the tree itself. Knots form where branches were once attached to the trunk, and knotholes appear when those knots fall out. Decay and insect damage are also natural defects that can weaken wood and...

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...

veneer

How Veneer Is Cut and Used

Veneer is a thin sheet of wood that is usually about one-eighth of an inch thick or less. It is made to show the look of wood while using timber more efficiently. Veneer is common in furniture and other finished wood products. One common way to make veneer is rotary cutting. In this method, a log is mounted in a large lathe and spun against a knife edge. As the knife moves deeper into the turning log, it peels off a continuous strip of wood. This creates rotary-cut veneer. Other veneer...

wood products

Engineered Wood Products in Construction

Engineered wood products are made from wood strands, veneers, lumber, and even waste wood shreds. They are used in both structural and nonstructural building applications. These materials are designed to improve strength, durability, and versatility in modern construction. Glue-laminated wood, or glulam, is made by bonding several smaller pieces of dimensional lumber with adhesive. Cross-laminated timber uses solid lumber panels with layers placed so the grain direction alternates. This layer...

wood panel products

Types of Wood Panels in Construction

Wood panels are common construction materials used for flooring, siding, and roofing. They usually come in standard 4-foot by 8-foot sheets. Their thickness can range from one-quarter of an inch to one and one-eighth inches. Plywood is one of the most familiar wood panels. It is made by gluing thin wood veneers, or layers, under pressure. The outer veneer grain runs lengthwise, while the inner layers run widthwise. Plywood also has an odd number of layers, which helps keep the panel...

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 offers a foundational exploration of essential construction materials such as bricks, stones, steel, wood, and concrete, along with fluid mechanics topics like flow over immersed bodies, open channel flow, and dimensional modeling. It also covers key surveying concepts, including leveling, traverse adjustments, curve design, topographic mapping, and geospatial technologies (GPS & GIS). Science-in-action videos showcase laboratory research on materials, fluids, and surveying practices in real-world engineering systems.

civil engineering

Wood Fastener Types and Uses

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