KR100969973B1 - Glulam for structure - Google Patents

Glulam for structure Download PDF

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KR100969973B1
KR100969973B1 KR1020070133876A KR20070133876A KR100969973B1 KR 100969973 B1 KR100969973 B1 KR 100969973B1 KR 1020070133876 A KR1020070133876 A KR 1020070133876A KR 20070133876 A KR20070133876 A KR 20070133876A KR 100969973 B1 KR100969973 B1 KR 100969973B1
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structural
laminate
shear
joints
wood
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KR1020070133876A
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KR20090066377A (en
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민만호
이종우
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민만호
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604Connections specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/02Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/12Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of wood, e.g. with reinforcements, with tensioning members
    • E04C3/122Laminated
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/38Arched girders or portal frames
    • E04C3/42Arched girders or portal frames of wood, e.g. units for rafter roofs

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

본 발명은 구조용 집성재(GLULAM)에 관한 것으로, 더욱 바람직하게는 작은 크기의 목재(판재)로 이루어지는 라미네이트를 섬유방향으로 평행하게 핑거조인트(장부촉접합)로 길게 결합하여 원하는 두께로 상하 접착시켜서 만든 각재 또는 판재 형태를 구조용 집성재라 한다. 상기 구조용 집성재를 이루기 위하여 길이방향으로 연결되는 라미네이트의 핑거조인트는 전단력이 약하기 때문에 핑거조인트의 양측으로 전단보강재를 삽입하여 전단력을 더욱 보강함은 물론 핑거조인트를 미관상 아름답게 표현하기 위한 것이다.The present invention relates to a structural aggregate (GLULAM), and more preferably made of a laminate made of a small size of wood (plate) by long bonding by finger joints (column joints) in parallel in the fiber direction to be vertically bonded to a desired thickness The form of square or sheet is called structural aggregate. Since the finger joints of the laminates connected in the longitudinal direction to form the structural aggregates have a weak shearing force, the shear joints are inserted into both sides of the finger joints to reinforce the shearing force as well as to beautifully express the finger joints.

그 구성은 작은 크기의 목재(판재)로 이루어지는 라미네이트(10)를 길이방향으로 핑거조인트(20)로 연결한 후, 상기 라미네이트(10)를 다수개 적층하여 구성되는 구조용 집성재에 있어서, 상기 핑거조인트(20)로 연결되는 라미네이트(10)의 양측부에 형성된 삽입홈(30, 31)과, 상기 삽입홈(30, 31)의 내부로 삽입되는 전단력을 보강하는 전단보강재(40, 41)를 포함하여 접착제로 일체가 되도록 연결하여 구성한 것을 특징으로 하는 구조용 집성재를 제공한다.In the construction, the laminate 10 made of wood (plate material) of a small size is connected to the finger joints 20 in the longitudinal direction, and then the laminate 10 is a structural aggregate composed of a plurality of laminates, the finger Insert grooves 30 and 31 formed at both sides of the laminate 10 connected to the joint 20 and shear reinforcement materials 40 and 41 for reinforcing the shear force inserted into the insertion grooves 30 and 31. It provides a structural aggregate material, characterized in that configured to connect so as to be integral with the adhesive.

구조용 집성재, 라미네이트, 전단보강재 Structural Aggregates, Laminates, Shear Reinforcements

Description

구조용 집성재{GLULAM FOR STRUCTURE}Structural Aggregate {GLULAM FOR STRUCTURE}

본 발명은 구조용 집성재(GLULAM)에 관한 것으로, 더욱 바람직하게는 작은 크기의 목재(판재)로 이루어지는 라미네이트를 섬유방향으로 평행하게 핑거조인트(장부촉접합)로 길게 결합하여 원하는 두께로 상하 접착시켜서 만든 각재 또는 판재 형태를 구조용 집성재라 한다. 상기 구조용 집성재를 이루기 위하여 길이방향으로 연결되는 라미네이트의 핑거조인트는 전단력이 약하기 때문에 핑거조인트의 양측으로 전단보강재를 삽입하여 전단력을 더욱 보강함은 물론 핑거조인트를 미관상 아름답게 표현하기 위한 것이다. The present invention relates to a structural aggregate (GLULAM), and more preferably made of a laminate made of a small size of wood (plate) by long bonding by finger joints (column joints) in parallel in the fiber direction to be vertically bonded to a desired thickness The form of square or sheet is called structural aggregate. Since the finger joints of the laminates connected in the longitudinal direction to form the structural aggregates have a weak shearing force, the shear joints are inserted into both sides of the finger joints to reinforce the shearing force as well as to beautifully express the finger joints.

일반적으로 알려진 구조용 집성재는 작은 크기의 목재를 서로 접착하여 큰 각재를 길게 형성함으로써 치수안정성과 구조신뢰성이 높고, 옹이 등과 같은 목재 특유의 결함을 제거하여 제조하므로 강도를 일반목재보다 크게 할 수 있고, 변형이 작고, 사용용도에 따라 길이나 두께, 폭등을 조절할 수 있어 구조용의 긴 보로 많이 사용되며 큰 하중을 버티기 위해 만들어진 것이다.Structural aggregates, generally known, have high dimensional stability and structural reliability by adhering small pieces of wood to each other to form large horns, and can be made stronger by removing defects specific to wood such as knots. It has a small deformation and can adjust the length, thickness and width according to the usage, so it is used as a long beam for structural purposes and is made to withstand a large load.

상기 구조용으로 사용되는 집성재는 건축물의 구조재(주로 보나 기둥)로 사용되기 때문에 판상 형태가 아닌 각재 형태이다(말이 각재지 시공 할 경우 크레인 이 없으면 그 크기나 무게에 있어 작업이 어려울 정도로 무지막지한 통나무 형태). 상기 구조용 집성재는 강도가 매겨진 공학 목재로 직선형의 보뿐만 아니라 복잡한 곡선으로도 생산되고 있으며, 통상적으로 구조용 집성재는 공칭 치수 두께 2인치(50mm) 이하의 각재를 목리 방향에 평행하게 적층 접착하여 생산하며 어떤 폭이라도 특수 주문 제작이 가능하다.The aggregate material used for the structure is not a plate shape because it is used as a structural material (mainly a bona or pillar) of the building. (If a horse is installed on a ridge, the log is so large that its size and weight are difficult to work without a crane. shape). The structural aggregate is engineered wood with strength and is produced not only with straight beams but also with complex curves. Typically, the structural aggregate is laminated and bonded in parallel to the direction of the tree with a nominal dimension thickness of 2 inches (50 mm) or less. It can be produced in any order and special order.

또한, 구조용 집성재는 구조적 부재인 동시에 원목 특유의 미적 감각을 그대로 살릴 수 있기 때문에 기둥, 아치형 천장, 대들보, 서까래 등에 사용될 경우 거의 대부분 그대로 노출하여 마감재를 겸하는 경우가 많다.In addition, since structural aggregates are structural members and can maintain the unique aesthetics of solid wood, they are often used as pillars, vaulted ceilings, girders, rafters, etc., and are often used as finishing materials.

그리고 일반목과 비교할 때 목재의 결함을 제거하여 만든 목재이기 때문에 훨씬 우수한 강도와 내구성이 있으므로 대들보나 바닥 보 같은 단순한 구조재뿐만 아니라 대규모 외팔보 교량, 전신주 철로용, 수상시설 등에 이르기까지 다양하게 적용되어 지고 있으며, 우리나라 사람들이 일반적으로 생각하는 것보다 훨씬 다양한 대규모 건축물에 사용하기 위하여 생산된다.Compared with ordinary wood, the wood is made by removing wood defects, so it has much higher strength and durability, so it is applied not only to simple structural materials such as girders and floor beams, but also to large-scale cantilever bridges, telegraph railway tracks, and water facilities. In addition, it is produced for use in a wider variety of large-scale buildings than Koreans generally think.

이와 같이 사용되는 구조용 집성재는 강도뿐만 아니라 원목의 무늬를 그대로 살릴 수 있는 장점이 있지만, 구조용 집성재를 길게 사용하기 위해 연결하는 핑거조인트 부분은 전단력이 약하다는 문제점이 있다.Structural aggregates used in this way has the advantage that not only strength but also the pattern of the solid wood as it is, there is a problem that the finger joint portion to connect for long use of the structural aggregates has a weak shear force.

또한, 핑거조인트의 측면 연결부분이 직선으로 외관상 미려하지 않아 원목 그 자체의 아름다움을 살리지 못하는 문제점이 있었던 것이다.In addition, the side connection portion of the finger joint is not a beautiful appearance in a straight line there is a problem that does not use the beauty of the wood itself.

본 발명은 상기와 문제점을 해결하기 위하여 창출한 것으로, 여러 개의 판재나 작은 각재 등의 목재로 이루어지는 라미네이트를 섬유 방향으로 핑거조인트에 의해 길게 연결한 후, 두께 방향으로 접착제를 사용하여 다수개 적층하면서 열을 가해 압착시킨 구조용 집성재는 길이방향으로 길게 연결할 때 핑거조인트에 가해지는 전단력이 약하기 때문에, 핑거조인트 양측부의 삽입홈으로 전단보강재를 삽입하여 전단력을 보강하도록 함을 목적으로 하는 것이다.The present invention was created in order to solve the above problems, while connecting a laminate made of wood, such as a plurality of boards or small pieces of wood long by finger joints in the fiber direction, while laminating a plurality of using an adhesive in the thickness direction Structural aggregate material pressed by heat is intended to reinforce the shear force by inserting the shear reinforcement into the insertion grooves on both sides of the finger joint because the shear force applied to the finger joint is weak when connected in the longitudinal direction.

상기와 같은 목적을 갖는 본 발명의 구성을 첨부된 도면에 의거하여 설명하면 다음과 같다.Referring to the configuration of the present invention having the above object with reference to the accompanying drawings as follows.

본 발명은 도 1 및 도 2에 나타내는 바와 같이, 작은 크기의 목재(판재)로 이루어지는 라미네이트(10)를 길이방향으로 핑거조인트(20)로 연결한 후, 상기 라미네이트(10)를 다수개 적층하여 구성되는 구조용 집성재에 있어서,1 and 2, after connecting the laminate 10 made of wood (plate material) of a small size in the longitudinal direction with the finger joint 20, a plurality of laminates 10 are laminated In the structural aggregate material constituted,

상기 핑거조인트(20)로 연결되는 라미네이트(10)의 양측부에 형성된 삽입홈(30, 31)과, Insertion grooves 30 and 31 formed at both sides of the laminate 10 connected to the finger joint 20;

상기 삽입홈(30, 31)의 내부로 삽입되는 전단력을 보강하는 전단보강재(40, 41)를 포함하여 접착제로 일체가 되도록 연결하여 구성한 것을 특징으로 하는 구조용 집성재를 제공한다.It includes a structural reinforcing material, characterized in that configured to be integrally connected with an adhesive including shear reinforcement (40, 41) to reinforce the shear force inserted into the insertion groove (30, 31).

또한, 본 발명은 상기 삽입홈(30, 31)과 전단보강재(40, 41)는 내측으로 갈 수록 두께가 좁아지도록 형성한 것을 특징으로 하는 구조용 집성재를 제공한다.In addition, the present invention provides a structural aggregate material, characterized in that the insertion grooves (30, 31) and the shear reinforcement (40, 41) is formed so that the thickness becomes narrower toward the inside.

또한, 본 발명은 상기 접착제는 레노시놀계 접착제인 것을 특징으로 하는 구조용 집성재.In addition, the present invention is the structural aggregate material, characterized in that the adhesive is a renosinol-based adhesive.

상기와 같은 구성에 의한 본 발명은 작은 크기의 목재로 이루어지는 라미네이트를 길이방향으로 연결하여 원하는 두께로 다수 적층하여 구성된 구조용 집성재의 핑거조인트에 대한 전단력을 전단보강재로 보강하여 전단력을 높여 줌으로써, 구조물의 안전을 오래도록 지속할 수 있는 효과가 있다.The present invention by the configuration as described above by connecting a laminate made of a small size of wood in the longitudinal direction by stacking a plurality of laminated to the desired thickness of the shear force for the finger joint of the structural joints reinforced by shear reinforcement to increase the shear force, the structure It has the effect of long lasting safety.

이하, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 본 발명을 용이하게 실시할 수 있도록 설명하기 위하여, 본 발명의 가장 바람직한 실시 예를 첨부된 도면을 참고하여 설명하기로 한다.Hereinafter, the most preferred embodiments of the present invention will be described with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

본 발명의 도 1 및 도 2는 구조용 집성재를 형성하기 위한 라미네이트를 서로 길이방향으로 연결하는 상태를 나타낸 사시도 및 분리사시도로써, 작은 크기의 목재(패널)로 이루어지는 라미네이트(10)를 원하는 길이로 연결하기 위하여 라미네이트와 라미네이트(10)의 양 단부를 핑거형으로 형성한 후, 핑거조인트(20)로 연결 한다. 이때 핑거조인트(20)로 연결되는 연결부의 양측부에는 삽입홈(30, 31)을 형성한다. 상기 삽입홈(30, 31)은 내부로 갈수록 두께를 좁게 하여 측면에서 보아 사다리꼴 형으로 형성한다.1 and 2 of the present invention is a perspective view and an exploded perspective view showing a state in which the laminate for forming the structural aggregate in the longitudinal direction of each other, a laminate 10 made of a small size wood (panel) to a desired length In order to connect both ends of the laminate and the laminate 10 to form a finger shape, it is connected by a finger joint (20). In this case, insertion grooves 30 and 31 are formed at both sides of the connection part connected to the finger joint 20. The insertion grooves 30 and 31 have a narrower thickness toward the inside to form a trapezoidal shape when viewed from the side.

그리고 상기 양측부에 형성된 삽입홈(30, 31)으로 삽입되는 전단보강재(40, 41) 역시 내측으로 갈수록 폭을 좁게 하여 측면에서 보아 사다리꼴 형으로 형성한다.In addition, the shear reinforcement materials 40 and 41 inserted into the insertion grooves 30 and 31 formed at both side portions thereof also have a narrower width toward the inner side to form a trapezoidal shape when viewed from the side.

상기와 같이 삽입홈(30, 31)이나 전단보강재(40, 41)를 내부로 갈수록 좁게 하는 이유는 전단보강재(40, 41)를 삽입홈(30, 31)에 삽입이 원활하게 이루어지도록 함은 물론 전단보강재(40, 41)가 삽입홈(30, 31)으로 삽입되면서 핑거조인트(20)가 서로 수평으로 정확하게 맞물려 결합 되도록 하기 위한 것이다.The reason for narrowing the insertion grooves 30 and 31 or the shear stiffeners 40 and 41 inward as described above is to facilitate the insertion of the shear stiffeners 40 and 41 into the insertion grooves 30 and 31. Of course, the shear stiffeners 40 and 41 are inserted into the insertion grooves 30 and 31 so that the finger joints 20 are accurately engaged horizontally with each other.

또한, 상기 핑거조인트(20)나 삽입홈(30, 31)에 삽입되는 전단보강재(40, 41)는 서로 일체가 되도록 하기 위하여 레소시놀(Resorcinol)계 접착제를 사용하여 접착하게 되면 구조용 집성재(100)가 형성한다.In addition, the shear stiffeners 40 and 41 inserted into the finger joint 20 or the insertion grooves 30 and 31 are structurally aggregated when they are bonded using a resorcinol-based adhesive so as to be integral with each other. 100 forms.

이하 본 발명의 구조용 집성재에 대한 실시 예를 도 1 및 도 2에 의거하여 설명하면, 먼저 보에 맞추어 길이방향으로 라미네이트(10)를 서로 연결한다. 이때 연결부는 핑거조인트(20)로 연결하고 핑거조인트(20)의 양측부에 형성된 삽입홈(30, 31)으로 전단보강재(40, 41)를 삽입하여 레소시놀계 접착제로 접착한 다음, 다시 보의 두께에 맞추어 라미네이트(10)를 여러 겹으로 적층하여 레소시놀 접착제로 접착하게 되면 구조용 집성재(100)가 완성되는 것이다. 그리고 핑거조인트(10)의 양측부의 삽입구(30, 31)로 전단보강재(40, 41)가 삽입되면 양측부에는 사각형의 형상을 이루어지기 때문에 미관상 다양한 형태의 아름다움을 유지하게 됨은 전단력을 보강하게 된다.Hereinafter, an embodiment of the structural aggregate of the present invention will be described with reference to FIGS. 1 and 2. First, the laminates 10 are connected to each other in the longitudinal direction in accordance with beams. In this case, the connection part is connected to the finger joint 20 and the shear reinforcing materials 40 and 41 are inserted into the insertion grooves 30 and 31 formed at both sides of the finger joint 20, and then bonded with a resorcinol-based adhesive, When the laminate 10 is laminated in several layers according to the thickness of the adhesive with a resorcinol adhesive, the structural aggregate 100 is completed. When the shear reinforcing materials 40 and 41 are inserted into the insertion holes 30 and 31 of the both sides of the finger joint 10, both sides are formed in the shape of a quadrangle, thereby maintaining the beauty of a variety of aesthetic appearances. .

상기 완성된 구조용 집성재(100)는 기둥, 아치형 천장, 대들보, 서가래 등에 사용하고, 또 이렇게 사용된 구조용 집성재는 그대로 나무 무늬결을 노출하여 마감재로 사용하기 때문에 외부 마감재의 시공이 없어도 되는 것이다.The finished structural aggregate material 100 is used in columns, arched ceilings, girders, sputum and the like, and the structural aggregate material used in this way is exposed to the wood texture as it is used as a finishing material, there is no need for the construction of the external finish. .

도 1은 본 발명의 구조용 집성재를 형성하기 위한 라미네이트를 서로 길이방향으로 연결하는 상태를 나타낸 사시도이다.1 is a perspective view showing a state in which the laminates for forming the structural aggregate of the present invention are longitudinally connected to each other.

도 2는 본 발명의 구조용 집성재를 형성하기 위한 라미네이트를 서로 길이방향으로 연결하는 상태를 나타낸 분리사시도이다.2 is an exploded perspective view showing a state in which the laminates for forming the structural aggregate of the present invention are longitudinally connected to each other.

* 도면의 주요부분에 대한 부호설명* Explanation of symbols on the main parts of the drawings

10. 라미네이트 11. 접촉면10. Laminate 11. Contact surface

20. 핑거조인트 30, 31. 삽입홈20. Finger joint 30, 31. Insertion groove

40, 41. 전단보강재 40, 41. Shear reinforcement

Claims (3)

삭제delete 삭제delete 작은 크기의 목재(판재)로 이루어지는 라미네이트(10)를 길이 방향으로 핑거조인트(20)로 연결 후, 상기 라미네이트(10)를 다수개 적층하여 구성되는 구조용 집성재에 있어서,In the structural aggregate member formed by laminating a plurality of laminates 10 after connecting the laminate 10 made of wood (plate) of a small size in the longitudinal direction with a finger joint 20, 상기 핑거조인트(20)로 연결되는 라미네이트(10)의 양측부에 형성된 삽입홈(30,31)과 상기 삽입홈(30,31)의 내부로 삽입되는 전단력을 보강하는 전단보강재(40,41)를 포함하며, 상기 삽입홈(30,31)과 전단보강재(40,41)는 내측으로 갈 수 록 두께가 좁아지도록 형성하여 레소시놀계 접착제로 일체가 되도록 연결하여 구성한 것을 특징으로 하는 구조용 집성재. Shear reinforcement (40, 41) to reinforce the shear force is inserted into the insertion groove (30, 31) and the insertion groove (30, 31) formed on both sides of the laminate 10 connected to the finger joint (20) It includes, the insertion grooves (30, 31) and the shear reinforcing material (40, 41) is formed so that the thickness narrows toward the inside to form a structural aggregate material, characterized in that configured to connect to be integrated with a resorcinol-based adhesive . ..
KR1020070133876A 2007-12-20 2007-12-20 Glulam for structure KR100969973B1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0225302A (en) * 1988-07-15 1990-01-26 Shimizu Corp Laminated lumber for structure and manufacture thereof
JPH04201403A (en) * 1990-11-30 1992-07-22 Fuanshii Tsuda Kk Manufacture of laminated fancy veneer in continuous form
KR200278578Y1 (en) 2002-02-28 2002-06-20 가재장 Connection structure of panel for prefabricated construction
KR20020053067A (en) * 2000-08-10 2002-07-04 프레이리 홈즈 인코포레이티드 Sweeping board and laminated wood
KR20020078578A (en) * 2001-04-06 2002-10-19 이정해 Interaction circuit for millimeter wave high power amplifier

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0225302A (en) * 1988-07-15 1990-01-26 Shimizu Corp Laminated lumber for structure and manufacture thereof
JPH04201403A (en) * 1990-11-30 1992-07-22 Fuanshii Tsuda Kk Manufacture of laminated fancy veneer in continuous form
KR20020053067A (en) * 2000-08-10 2002-07-04 프레이리 홈즈 인코포레이티드 Sweeping board and laminated wood
KR20020078578A (en) * 2001-04-06 2002-10-19 이정해 Interaction circuit for millimeter wave high power amplifier
KR200278578Y1 (en) 2002-02-28 2002-06-20 가재장 Connection structure of panel for prefabricated construction

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