KR100754281B1 - Braket for joining column and rafter of light gauge steel structure and joining method thereof using the same - Google Patents

Braket for joining column and rafter of light gauge steel structure and joining method thereof using the same Download PDF

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Publication number
KR100754281B1
KR100754281B1 KR1020070056521A KR20070056521A KR100754281B1 KR 100754281 B1 KR100754281 B1 KR 100754281B1 KR 1020070056521 A KR1020070056521 A KR 1020070056521A KR 20070056521 A KR20070056521 A KR 20070056521A KR 100754281 B1 KR100754281 B1 KR 100754281B1
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South Korea
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shaped
rafters
web
column
joined
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KR1020070056521A
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Korean (ko)
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유수완
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다일산업주식회사
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/19—Three-dimensional framework structures
    • E04B1/1903—Connecting nodes specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
    • E04B1/5818—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially U - form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
    • E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
    • E04B1/585—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form with separate connection devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E04B7/04—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls
    • E04B7/045—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs supported by horizontal beams or the equivalent resting on the walls with connectors made of sheet metal for connecting the roof structure to the supporting wall
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2415—Brackets, gussets, joining plates

Abstract

An eaves bracket for joining a column and a rafter of a lightweight steel framed structure is provided to resist negative end moment occurring on a joint of a column and a rafter effectively without increasing the size of a bracket used for a joint of a column and a rafter and to correspond to the joint angle of a joint of a column and a rafter. An eaves bracket(200) for joining a column and a rafter of a lightweight steel framed structure comprises an H-shaped beam(210) joined with C-shaped columns at two sides and composed of a web(212) and flanges(211) attached on two sides of the web to guide the C-shaped columns to be inserted and fixed to the right location easily, an inverse T-shaped beam(220) joined on the upper part of the H-shaped beam, joined with C-shaped rafters at two sides and composed of a web(222) and a flange(221) attached on the bottom of the web only to insert the C-shaped rafters from the upper part easily and to fix the C-shaped rafters to the right location easily, a cover plate(230) joined on the top of the web of the inverse T-shaped beam to cover up the web and joined with the C-shaped columns and the C-shaped rafters to increase the transfer performance of negative end moment, and plural rib bars(240) joined to two sides of the H-shaped beam and the inverse T-shaped beam and inserted to grooves formed on the C-shaped columns and the C-shaped rafters to resist shear strength or flexural moment effectively.

Description

경량철골구조물의 기둥-서까래 접합용 처마 브라켓 및 그를 이용한 기둥-서까래 접합방법{Braket for joining column and rafter of light gauge steel structure and joining method thereof using the same}Bracket for joining column and rafter of light gauge steel structure and joining method approximate using the same}

도 1은 본 발명에 따른 처마 브라켓의 분해 사시도이다.1 is an exploded perspective view of the cornice bracket according to the present invention.

도 2는 본 발명에 따른 처마 브라켓을 이용하여 기둥과 서까래를 접합하는 방법을 보여주는 분해사시도이다.Figure 2 is an exploded perspective view showing a method for joining the column and the rafters using the cornice bracket according to the present invention.

도 3a는 본 발명에 따른 처마 브라켓과 기둥을 접합한 상태의 단면도이다.Figure 3a is a cross-sectional view of a state in which the eave bracket and the pillar are bonded according to the present invention.

도 3b는 본 발명에 따른 처마 브라켓과 서까래를 접합한 상태의 단면도이다.3B is a cross-sectional view of the eave bracket and the rafter bonded according to the present invention.

도 4는 종래 경량철골구조물의 일예를 개략적으로 나타낸 도면이다.4 is a view schematically showing an example of a conventional lightweight steel structure.

도 5는 종래 경량철골구조물에 있어 기둥-서까래 접합부를 나타낸 분해 사시도이다. Figure 5 is an exploded perspective view showing the column-rafters junction in the conventional lightweight steel structure.

도 6은 경량철골구조물에 있어 기둥-서까래 접합부의 휨모멘트도이다.6 is a bending moment diagram of the column-rafter joint in a light steel structure.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

200 : 처마 브라켓200: eave bracket

210 : H형강부210: H section steel part

220 : 역T형강부220: reverse T-shaped steel part

230 : 덮개강판230: cover steel sheet

240 : 리브바240: rib bar

본 발명은 경량철골구조물의 기둥-서까래 접합용 처마 브라켓 및 그를 이용한 기둥-서까래 접합방법에 관한 것이다.The present invention relates to an eave bracket for pillar-to-rafter joining of a light steel frame structure and a pillar-to-rafter joining method using the same.

경량철골구조는 경량형강을 사용한 철골구조로서 보통 간이창고, 주택 등 소규모의 구조물에 쓰인다.Light weight steel structure is a steel structure using light steel, and is usually used for small structures such as simple warehouses and houses.

경량철골구조는 단면 크기에 비해 살두께를 얇게 하면서도 강재량에 비하여 재료강도가 큰 것이 특징이기도 하다. 경쾌한 구조공법, 신속 용이한 시공방법은 실용적인 건물에 효과적이므로 많이 이용된다. 부재 간의 접합은 볼트로 할 수 있어 가공조립도 간편하다.The lightweight steel structure is characterized by a large material strength compared to the amount of steel while thinning the flesh thickness compared to the cross-sectional size. Light construction and quick and easy construction methods are often used in practical buildings. The joining between the members can be done with bolts, so processing and assembly are easy.

도 4에 박공지붕을 갖는 경량철골구조물를 나타내었다. 도시된 바와 같이, 종래 경량철골구조물은 기초(1, 줄기초) 위에 기둥(10)을 세우고 띠장(40)을 설치한 후 서까래(30)를 인양조립하고 중도리(50)를 설치하여 완성된다. 4 shows a light steel structure having a gable roof. As shown, the conventional lightweight steel structure is completed by setting up the column 10 on the foundation (1, stem cho), install the belt 40, and then lifting the rafters 30 and installing the middle purlin (50).

도 5는 도 4의 A부분 즉, 기둥-서까래 접합부(처마 접합부)를 나타낸 분해사시도이다.FIG. 5 is an exploded perspective view showing part A of FIG. 4, that is, a pillar-rafter junction (eave junction).

도 4, 5를 참조하여 처마 접합부를 보다 상세히 살펴보면, 기둥(10)과 서까래(30)는 모두 ㄷ자형강의 양끝을 안쪽으로 오무려 립(lip)을 형성하고 면에는 돌기(홈)를 두어 리브(rib)를 형성한 경량형강(보통 '립C형강이'라 부르는데, 이하에 서는 간단히 'C형강'이라 함) 2개를 맞댄 것(10a,10b)(30a,30b)이 사용되고, 기둥(10)과 서까래(30)는 브라켓(20)을 이용하여 접합된다.Looking at the eave joint in more detail with reference to Figures 4 and 5, the pillars 10 and the rafters 30 both ribs on both ends of the c-shaped steel inward to form a lip (protrusion) on the surface ribs (10a, 10b) (30a, 30b) is used to form two-piece lightweight steel (rib C-shaped steel, commonly referred to as `` C-shaped steel '' below) 10 and the rafter 30 are joined using a bracket 20.

이때, 처마 브라켓(20)은 2개의 판재(20a)(20b)를 맞댄 구성(판상형)으로 되어 있고 면에는 기둥과 서까래를 처마 브라켓(20)에 볼트 접합하기 위한 구멍(21)이 형성되어 있다. At this time, the eave bracket 20 has a configuration (plate-shaped) against two plate materials 20a and 20b, and holes 21 for bolting columns and rafters to the eave bracket 20 are formed on the surface. .

그러나 판상형 처마 브라켓(20)을 이용한 기둥-서까래 접합부의 경우, 도 6에 나타낸 바와 같은 기둥-서까래 접합부에 발생하는 단부 부모멘트에 저항하기 위해 크기가 커져야만 하는 문제가 있다. However, in the case of the column-rafter joint using the plate-shaped eave bracket 20, there is a problem that the size must be increased to resist the end nodules occurring in the column-rafter joint as shown in FIG.

즉, 기둥-서까래 접합부에 발생하는 단부 부모멘트에 효과적으로 저항하기 위해서는 접합부의 절점 구속도가 높아야 하는데, 이는 처마 브라켓의 강성이 기둥과 서까래의 강성보다 동등 이상이어야만 가능하므로, 처마 브라켓을 헌치 형태의 브라켓으로 구성하여 면의 크기를 증대시키게 되며 2개의 브라켓을 맞댄 것이 사용된다. In other words, in order to effectively resist the end parents occurring at the column-to-rafter joint, the joint restraint of the joint must be high, since the stiffness of the eave bracket must be equal to or greater than the stiffness of the column and the rafters. It consists of brackets to increase the size of the face, and two brackets are used.

그러나 처마 브라켓의 상부가 열린 구조이기 때문에 모멘트 저항 단면적이 매우 작아 단부 부모멘트에 효과적으로 저항할 수 없는 문제가 있다.However, since the top portion of the eave bracket is open, the moment resistance cross-sectional area is very small, and thus there is a problem in that it cannot effectively resist the end parent.

또한, 조립시공시 판형상 처마 브라켓의 하부가 헌치 형태를 띠고 있기 때문에 처마 브라켓에 우각으로 접합되는 기둥과 서까래를 정위치에 조립 설치하기 곤란한 문제점이 있다.In addition, since the lower part of the plate-shaped cornice bracket has a haunch shape during assembly, there is a problem that it is difficult to assemble and install the pillars and rafters bonded to the cornice bracket in a right position.

또한, 기둥과 서까래에 접합된 처마 브라켓의 헌치부가 내부로 돌출되므로 미관상 좋지 않은 단점이 있다.In addition, since the haunting portion of the eave bracket joined to the pillar and the rafters protrudes into the interior, there is a disadvantage in appearance.

본 발명은 상기한 종래 문제점을 감안하여 안출된 것으로, 기둥-서까래 접합부에 사용되는 브라켓의 크기를 증가시키지 않으면서도 기둥-서까래 접합부에 발생하는 단부 부모멘트에 효과적으로 저항할 수 있는 기둥-서까래 접합용 처마 브라켓을 제공하는 데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made in view of the above-described conventional problems, and is suitable for pillar-rafter joining, which can effectively resist end parents occurring in the pillar-rafter joint without increasing the size of the bracket used for the pillar-rafter joint. The purpose is to provide a cornice bracket.

본 발명의 다른 목적은 기둥-서까래 접합부의 접합 각도에 대응되도록 처마 브라켓을 구성함으로써 기둥과 서까래 조립 작업성을 향상시킴은 물론 미관을 향상시킨 경량철골구조물의 시공방법을 제공하는 데 있다.Another object of the present invention is to provide a construction method of the light steel structure to improve the aesthetics as well as improve the assembling workability of the pillar and rafters by configuring the eave bracket to correspond to the joint angle of the column-rafters junction.

이하 본 발명의 구성을 첨부한 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the configuration of the present invention will be described in detail.

도 1은 본 발명에 따른 경량철골구조물의 기둥-서까래 접합구조를 나타낸 분해사시도이다.1 is an exploded perspective view showing a column-rafters joint structure of the light steel structure according to the present invention.

도 1에 도시된 바와 같이 본 발명에 따른 처마 브라켓(200)은, C형강 기둥(10a)(10b)이 그 양측에 접합되는 H형강부(210)와, 상기 H형강부(210)의 상부에 접합되며 C형강 서까래(30a)(30b)가 그 양측에 접합되는 역T형강부(220)와, 상기 역T형강부(220)의 웨브(222)의 상단부에 접합되어 웨브(222)를 덮는 덮개강판(230)과, 상기 H형강부(210)와 역T형강부(220)의 웨브 양측면에 접합되는 복수의 리브바(240)로 구성된다.As illustrated in FIG. 1, the eave bracket 200 according to the present invention includes an H-shaped steel part 210 to which C-shaped steel columns 10a and 10b are joined at both sides thereof, and an upper portion of the H-shaped steel part 210. And an inverted T-shaped steel part 220 in which the C-beam rafters 30a and 30b are joined to both sides thereof, and the upper end of the web 222 of the inverted T-shaped steel part 220 to be connected to the web 222. The cover steel plate 230 and a plurality of rib bars 240 joined to both side surfaces of the web of the H-shaped steel 210 and the inverted T-shaped steel 220.

H형강부(210)는 웨브(212)와 그 양단부에 접합되는 플랜지(211)들로 구성되며, 웨브(212)에는 각각 C형강 기둥 접합용 볼트 구멍(212a)과 리브바(240) 접합용 구멍(212b)이 각각 형성되어 있다. 이와 같이 웨브(212)의 양단부에 플랜지(211)들이 각각 형성되어 있으므로, 이 플랜지(211)들이 가이드 역할을 하여 C형강 기둥(10a)(10b)을 손쉽게 정위치로 삽입하여 고정시킬 수 있게 된다.The H-shaped steel portion 210 is composed of a web 212 and flanges 211 joined to both ends thereof, and the web 212 has a bolt hole 212a for joining a C-beam and a rib bar 240, respectively. Holes 212b are formed respectively. Since flanges 211 are formed at both ends of the web 212 as described above, the flanges 211 serve as guides so that the C-beams 10a and 10b can be easily inserted and fixed in position. .

역T형강부(220)는 웨브(222)의 하단부에만 플랜지(221)가 결합되어 있고 그 상단부는 C형강 서까래(30a)(30b) 삽입이 용이하도록 플랜지가 없이 개방되어 있다. 그리고 웨브(220)에는 각각 C형강 서까래 접합용 볼트 구멍(222a)과 리브바(240) 접합용 구멍(222b)이 각각 형성되어 있다. 이와 같이 웨브(222)의 하단부에만 플랜지(221)가 형성되어 있으므로 크레인과 같은 양중장비를 이용하여 쉽게 C형강 서까래(30a)(30b)를 위로부터 삽입할 수 있고 플랜지(221)에 C형강 서까래(30a)(30b)가 놓여지므로 손쉽게 정위치에 고정시킬 수 있다.The inverted T-shaped steel part 220 has a flange 221 coupled only to the lower end of the web 222, and the upper end thereof is open without a flange to facilitate insertion of the C-beam rafters 30a and 30b. The web 220 is formed with a bolt hole 222a for joining the C-beam rafters and a hole 222b for joining the rib bar 240, respectively. Thus, since the flange 221 is formed only at the lower end of the web 222, it is possible to easily insert the C-beam rafters 30a, 30b from above by using lifting equipment such as a crane, and the C-beam rafters on the flange 221 Since 30a and 30b are placed, it can be easily fixed in place.

덮개강판(230)은 상기 역T형강부(220)의 웨브(222) 상단부에 수직하게 접합되고 C형강 기둥(10a)(10b)과 C형강 서까래(30a)(30b)와 접합되어 단부 부모멘트 전달성능을 향상시켜 절점 구속도를 높인다. The cover steel plate 230 is vertically bonded to the upper end of the web 222 of the inverted T-shaped steel part 220, and joined to the C-beams 10a and 10b and the C-beam rafters 30a and 30b to end edges. It improves the transfer performance and increases the node restraint.

즉, 처마 브라켓의 웨브 상단부가 오픈된 종래 기술과 달리 웨브 상단부를 덮도록 덮개강판(230)을 접합함으로써 절점 구속도가 높아져 처마 브라켓의 크기를 증가시키지 않으면서도 효과적으로 단부 부모멘트에 저항할 수 있게 된다.That is, unlike the prior art in which the web top of the eave bracket is opened, the cover steel plate 230 is bonded to cover the top of the web so that the node restraint is increased, so that the edge elongation can be effectively resisted without increasing the size of the eave bracket. do.

리브바(240)는 상기 H형강부(210)와 역T형강부(220)의 웨브 양측면에 접합되어 C형강 기둥(10a)(10b)과 C형강 서까래(30a)(30b)에 형성된 홈(11)(31)이 삽입된다. 따라서 부재에 수직하게 작용하는 전단력이나 회전시키는 휨모멘트에 효과적으로 저항할 수 있게 된다. The rib bar 240 is joined to both sides of the web of the H-shaped steel 210 and the inverted T-shaped steel 220 to form grooves formed in the C-beams 10a and 10b and the C-beam rafters 30a and 30b. 11) 31 is inserted. Therefore, it is possible to effectively resist the shear force or the rotating bending moment acting perpendicular to the member.

이 리브바(240)는 용접으로 접합될 수도 있으나, 바람직하게는 일측 리브바에 돌기(241)를 형성하고 타측 리브바에 수용홈을 갖는 삽입통(242)을 형성하여 돌기(241)가 삽입통(242)에 강제 끼움되어 결합되도록 하여 용접작업을 배제하는 것이 좋다.The rib bar 240 may be joined by welding, but preferably, the protrusion 241 is formed on one side of the rib bar and the insertion tube 242 having the receiving groove on the other side of the rib bar forms the protrusion 241. 242) it is recommended to be forced to fit to eliminate the welding work.

도 2는 본 발명에 따른 처마 브라켓을 이용하여 기둥과 서까래를 접합하는 방법을 보여주는 분해사시도이고, 도 3a는 본 발명에 따른 처마 브라켓과 기둥을 접합한 상태의 단면도이며, 도 3b는 본 발명에 따른 처마 브라켓과 서까래를 접합한 상태의 단면도이다.Figure 2 is an exploded perspective view showing a method of joining the column and the rafters using the cornice bracket according to the present invention, Figure 3a is a cross-sectional view of a state of joining the eave bracket and the pillar according to the present invention, Figure 3b is in the present invention It is sectional drawing of the state which joined the eave bracket and rafters.

접합방법은, 먼저 경량철골구조물의 기둥을 구성하는 한 쌍의 C형강 기둥(10a)(10b)의 상부에 본 발명에 따른 처마 브라켓(200), 보다 상세하게는 처마 브라켓의 H형강부(210)를 접합한다. 이때, 본 발명에 따른 처마 브라켓의 H형강부(210)은 상술한 바와 같이 웨브(212)의 양측에 플랜지(211)가 결합된 H형강 형상이고 웨브(212)에는 리브바(240)가 결합되어 있으므로 한 쌍의 C형강 기둥(10a)(10b)은 플랜지(211)와 리브바(240)의 안내를 받으며 쉽게 정위치에 접합될 수 있다. The joining method, first, the eave bracket 200 according to the present invention on the upper portion of the pair of C-beams (10a, 10b) constituting the column of the light steel structure, more specifically H-shaped steel 210 of the eave bracket ). At this time, the H-shaped steel portion 210 of the eave bracket according to the present invention is the H-shaped steel shape is coupled to the flange 211 on both sides of the web 212 as described above and the rib bar 240 is coupled to the web 212 Since the pair of C-beams (10a) (10b) is guided by the flange 211 and the rib bar 240 can be easily bonded in place.

다음으로, 처마 브라켓(200)이 접합된 기둥을 세우고 처마 브라켓(200)의 역T형강부(220)에 서까래를 구성하는 한 쌍의 C형강 서까래(30a)(30b)를 접합한다. 여기서 본 발명에 따른 처마 브라켓(200)은 기둥과 서까래가 접합되는 각도에 맞게 미리 접합된 형상이고 역T형강부(220)의 웨브(222)에는 리브바(240)가 결합되어 있으므로 C형강 서까래(30a)(30b)를 쉽게 정위치로 결합할 수 있게 된다.Next, the column to which the eave bracket 200 is joined is erected, and a pair of C-beam rafters 30a and 30b constituting the rafters are joined to the inverse T-shaped steel section 220 of the eave bracket 200. Here, the eave bracket 200 according to the present invention has a shape that is pre-bonded in accordance with the angle that the pillar and the rafters are bonded and the rib bar 240 is coupled to the web 222 of the inverted T-shaped steel part 220, so the C-beam rafters The 30a and 30b can be easily combined into a proper position.

즉, 서까래는 박공지붕형태로 결합되어 처마 브라켓(200)과 접합되는데, 처마 브라켓(200)의 역T형강부(220)의 웨브(222) 상단부가 개방되어 있으므로 양중장비를 이용하여 쉽게 처마 브라켓(200)의 역T형강부(220)에 접합할 수 있다.That is, the rafters are joined in the form of gable roof and bonded to the eave bracket 200. Since the upper end of the web 222 of the inverted T-shaped steel portion 220 of the eave bracket 200 is opened, the eave bracket is easily used by lifting equipment. It can be joined to the inverted T-shaped steel portion 220 of (200).

마지막으로, 덮개강판(230)를 개방된 역T형강부(220)의 웨브(222)를 덮도록 결합하고 덮개강판(230)과 C형강 기둥(10a)(10b) 및 C형강 서까래(30a)(30b)를 각각 접합한다.Finally, the cover steel plate 230 is joined to cover the web 222 of the open inverted T-shaped steel part 220, and the cover steel plate 230 and the C-beams 10a and 10b and the C-beam rafters 30a Each 30b is bonded together.

한편, 이상의 설명에서는 처마 브라켓(200)를 구성하는 H형강부(210)와 역T형강부(220)의 웨브 양측에 C형강 기둥(10a)(10b)과 C형강 서까래(30a)(30b)가 접합되는 것으로 설명하였으나, 웨브의 일측에만 C형강 기둥(10a)(10b)과 C형강 서까래(30a)(30b)가 접합되는 것도 가능하다. Meanwhile, in the above description, the C-beams 10a and 10b and the C-beam rafters 30a and 30b on both sides of the web of the H-shaped portion 210 and the inverted-T-shaped portion 220 constituting the eave bracket 200. Although described as being bonded, it is also possible that the C-beams 10a, 10b and the C-beam rafters 30a, 30b are joined to only one side of the web.

상술한 바와 같이 본 발명에 따르면, 처마 브라켓과 C형강 서까래의 접합부를 덮개강판으로 구속하므로 접합부의 단부에 작용하는 부모멘트에 효과적으로 저항할 수 있게 된다.As described above, according to the present invention, since the joint portion of the eave bracket and the C-beam rafters is constrained by the cover steel plate, it is possible to effectively resist the parent moment acting on the end portion of the joint portion.

또한, 처마 브라켓의 형상이 기둥-서까래 접합부의 형상에 대응하고 양측에 플랜지를 형성된 형상이기 때문에 처마와 서까래의 조립이 안내되므로 조립성이 향상되는 효과가 있다.In addition, since the shape of the eave bracket corresponds to the shape of the column-to-rafter joint and flanges are formed on both sides, the assembly of the eaves and the rafters is guided, thereby improving the assemblability.

Claims (3)

C형강 기둥(10a)(10b)이 그 일측 또는 양측에 접합되는 H형강부(210)와, H-shaped steel section 210 which is joined to one or both sides of the C-beams (10a, 10b), 상기 H형강부(210)의 상부에 접합되며 C형강 서까래(30a)(30b)가 그 일측 또는 양측에 접합되는 역T형강부(220)와, Inverted T-beams 220 are joined to the upper portion of the H-beam 210 and the C-beam rafters (30a, 30b) are bonded to one or both sides thereof, 상기 역T형강부(220)의 웨브(222) 상단부를 덮도록 수직하게 접합되고 C형강 기둥(10a)(10b)과 C형강 서까래(30a)(30b)와 접합되어 기둥-서까래 접합부의 절점 구속도를 높이는 덮개강판(230)과, Vertically bonded to cover the upper end of the web 222 of the inverted T-shaped section 220 and bonded with the C-beams (10a) (10b) and C-beams rafters (30a) (30b) constrained nodes of the column-rafters junction Cover steel plate 230 to increase the degree, 상기 H형강부(210)와 역T형강부(220)의 웨브 양측면에 접합되는 적어도 한 쌍의 리브바(240)를 포함하는 것을 특징으로 하는 경량철골구조물의 기둥-서까래 접합용 처마 브라켓.The eave bracket for pillar-to-rafter joining of a light steel structure, characterized in that it comprises at least a pair of rib bars 240 are joined to both sides of the web of the H-shaped steel 210 and the inverted T-shaped steel 220. 제1항에 있어서,The method of claim 1, 상기 한 쌍의 리브바(240) 중 일측 리브바에 돌기(241)를 형성하고 타측 리브바에 수용홈을 갖는 삽입통(242)을 형성하여 돌기(241)가 삽입통(242)에 강제 끼움되어 상기 H형강부(210)와 역T형강부(220)의 웨브에 리브바(240)가 접합되는 것을 특징으로 하는 경량철골구조물의 기둥-서까래 접합용 처마 브라켓.Of the pair of rib bars 240, a protrusion 241 is formed on one rib bar and an insertion tube 242 having a receiving groove is formed on the other rib bar so that the protrusion 241 is forcedly inserted into the insertion cylinder 242. Rib bar 240 is connected to the web of the H-shaped steel 210 and the inverted T-shaped steel 220, the eave bracket for pillar-to-rafter joining of the light steel structure. 제1항 또는 제2항에 기재된 처마 브라켓(200)을 이용하여 경량철골구조물의 기둥과 서까래를 접합하는 방법에 있어서,In the method of joining the column and the rafters of the light steel structure using the eave bracket 200 according to claim 1, 경량철골구조물의 기둥을 구성하는 한 쌍의 C형강 기둥(10a)(10b)의 상부에 상기 처마 브라켓(200)의 H형강부(210)를 접합한 후,After joining the H-shaped steel portion 210 of the eave bracket 200 to the upper portion of the pair of C-shaped steel column (10a) (10b) constituting the pillar of the light steel structure, 상기 처마 브라켓(200)이 접합된 기둥을 세우고 처마 브라켓(200)의 역T형강부(220)에 서까래를 구성하는 한 쌍의 C형강 서까래(30a)(30b)를 접합한 다음,After mounting the pillar to which the eave bracket 200 is joined and joining the pair of C-beam rafters 30a and 30b constituting the rafter to the inverse T-shaped steel section 220 of the eave bracket 200, 덮개강판(230)을 개방된 역T형강부(220)의 웨브(222)를 덮도록 수직하게 결합하고 덮개강판(230)과 C형강 기둥(10a)(10b) 및 C형강 서까래(30a)(30b)를 각각 접합하는 것을 특징으로 하는 경량철골구조물의 기둥-서까래 접합방법.The cover steel plate 230 is vertically coupled to cover the web 222 of the open inverted T-shaped steel part 220, and the cover steel plate 230 and the C-beams 10a and 10b and the C-beam rafters 30a ( A method of joining the column-rafters of lightweight steel structures, characterized in that each of the 30b).
KR1020070056521A 2007-06-11 2007-06-11 Braket for joining column and rafter of light gauge steel structure and joining method thereof using the same KR100754281B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101123500B1 (en) * 2009-11-06 2012-03-23 한덕전 Arch type house structure using light weight frame formed of shape steel
KR101243989B1 (en) * 2011-02-16 2013-03-13 김상준 Light weight frame formed of shape steel and arch type house structure using the same
KR101743867B1 (en) 2016-01-21 2017-06-07 다일산업주식회사 Eaves jointing structure of light weight steel frame
KR20200010839A (en) * 2018-07-23 2020-01-31 주식회사 포스코 Lightweight frame structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101123500B1 (en) * 2009-11-06 2012-03-23 한덕전 Arch type house structure using light weight frame formed of shape steel
KR101243989B1 (en) * 2011-02-16 2013-03-13 김상준 Light weight frame formed of shape steel and arch type house structure using the same
KR101743867B1 (en) 2016-01-21 2017-06-07 다일산업주식회사 Eaves jointing structure of light weight steel frame
KR20200010839A (en) * 2018-07-23 2020-01-31 주식회사 포스코 Lightweight frame structure
KR102178759B1 (en) * 2018-07-23 2020-11-13 주식회사 포스코 Lightweight frame structure

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