[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

KR20030052879A - I-shape steel girder with reinforcement - Google Patents

I-shape steel girder with reinforcement Download PDF

Info

Publication number
KR20030052879A
KR20030052879A KR1020010082997A KR20010082997A KR20030052879A KR 20030052879 A KR20030052879 A KR 20030052879A KR 1020010082997 A KR1020010082997 A KR 1020010082997A KR 20010082997 A KR20010082997 A KR 20010082997A KR 20030052879 A KR20030052879 A KR 20030052879A
Authority
KR
South Korea
Prior art keywords
girder
type
reinforcement
reinforcing plate
plate
Prior art date
Application number
KR1020010082997A
Other languages
Korean (ko)
Other versions
KR100773410B1 (en
Inventor
황민오
최원경
Original Assignee
재단법인 포항산업과학연구원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 재단법인 포항산업과학연구원 filed Critical 재단법인 포항산업과학연구원
Priority to KR1020010082997A priority Critical patent/KR100773410B1/en
Publication of KR20030052879A publication Critical patent/KR20030052879A/en
Application granted granted Critical
Publication of KR100773410B1 publication Critical patent/KR100773410B1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • 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
    • E04B1/24—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
    • E04B2001/2445—Load-supporting elements with reinforcement at the connection point other than the connector
    • 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
    • E04B2001/2457—Beam to beam connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

PURPOSE: An I-girder provided with a stiffener is provided to connect many I-girders in the direction of the length easily and to improve the stiffness on a joint. CONSTITUTION: The I-girder provided with a stiffener contains a primary gusset plate(21) fixed on a section of an I-girder and provided with many perforation holes(31), a secondary gusset plate(22) welded to upper/lower flanges(10a,10c) and a web(10b) of the I-girder and provided with many perforation holes(32) corresponded to the perforation holes(31) of the primary gusset plate(21), fasteners interposed and fastened into the perforation holes(31) of the primary gusset plate(21) and the perforation holes(32) of the secondary gusset plate(22), and many third gusset plates(23) connecting the primary gusset plate(21) and the secondary gusset plate(22).

Description

보강재를 구비한 아이형 거더{I-shape steel girder with reinforcement}I-shape steel girder with reinforcement}

본 발명은 I형 거더에 관한 것이며, 특히, I형 거더를 맞대응한 상태로 연결함에 있어서 연결부의 피로균열에 대한 저항이 큰 보강재를 구비한 I형 거더에 관한 것이다.The present invention relates to an I-girder, and more particularly, to an I-girder having a reinforcing material having a high resistance to fatigue cracking at the connection in connecting the I-girder in a state in which the I-girder is in a corresponding state.

도 1은 일반적인 I형 거더의 연결관계를 나타낸 사시도이며, 도 2는 도 1에 도시된 연결된 I형 거더의 분해사시도이다.1 is a perspective view illustrating a connection relationship between a general type I girder and FIG. 2 is an exploded perspective view of the connected type I girder shown in FIG. 1.

도 1 및 도 2에 도시된 바와 같이, I형 거더(1)의 단부를 상호 맞대응한 상태에서 두 I형 거더(1)의 웨브(1b) 및 상하 플랜지(1a, 1c)에 다수 개의 이음판(splice plate)(3)이 걸쳐 위치한다. 그리고, 이런 이음판(3)과 이에 대응하는 두 I형 거더(1)의 웨브(1b) 및 상하 플랜지(1a, 1c)에는 복수의 관통공(9)이 형성되며, 이런 관통공(9)에 볼트(4)가 삽입되고, 볼트(4)의 단부에 너트(5)가 체결됨으로써, 두 I형 거더(1)는 그 길이방향으로 연결된다.As shown in FIGS. 1 and 2, a plurality of joint plates are provided on the web 1b and the upper and lower flanges 1a and 1c of the two I-type girders 1 with the ends of the I-type girders 1 facing each other. (splice plate) 3 is placed across. In addition, a plurality of through holes 9 are formed in the web 1b and the upper and lower flanges 1a and 1c of the joint plate 3 and the two I-type girders 1 corresponding thereto. The bolt 4 is inserted in the nut and the nut 5 is fastened to the end of the bolt 4 so that the two I-type girders 1 are connected in the longitudinal direction thereof.

종래에는 이와 같은 볼트 연결방식으로 I형 거더(1)를 연결하거나, 또는 I형 거더의 단부를 상호 맞대응한 상태에서 용접 연결한다.Conventionally, the I-type girder 1 is connected by such a bolt connection method, or the ends of the I-type girder are welded in a state in which they are mutually matched.

그러나, I형 거더를 용접 연결하기 위해서는 용접에 따른 다양한 장치들이 필요하다. 즉, 이들 용접은 대부분 현장용접이 이루어지기 때문에 바람막이 및 기타 용접토오치, 용접봉 등 다양한 장치가 필요하다는 단점이 있다. 또한 용접 연결부의 피로파괴에 대한 우려를 항상 가지고 있는 문제점이 있다.However, in order to weld connect the type I girder, various devices according to the welding are required. In other words, since most of these welding is performed on-site welding, a variety of devices such as windshields and other welding torches, welding rods are required. In addition, there is a problem that there is always a concern about the fatigue fracture of the weld connection.

한편, 종래 기술에서의 이음판(3)을 이용한 볼트 연결방식에서는 연결부에 하중이 가해지면, 그 하중은 두 I형 거더(1)를 연결하는 볼트(4)의 전단과 마찰에 의해 지지된다. 이러한 이음판을 이용한 연결방식은 별도의 이음판 제작이 필요하며, 현장에서의 볼트연결 작업 인력이 많이 소요되며, 특히 사용재료가 두꺼울 경우 설계 및 시공에 문제점이 많다.On the other hand, in the bolt connection method using the joint plate 3 in the prior art, when a load is applied to the connecting portion, the load is supported by the shear and friction of the bolt 4 connecting the two I-type girders 1. The connection method using such a joint plate requires a separate joint plate production, a lot of bolt connection work in the field takes a lot, especially when the material used is thick, there are many problems in design and construction.

본 발명은 앞서 설명한 바와 같은 종래 기술의 문제점을 해결하기 위하여 제공된 것으로서, I형 거더의 연결부에 가해지는 하중을 인장부에서는 볼트로, 압축부에서는 I형 거더의 지압으로 지지하게 되며, 이로 인해 현장에서의 작업량 감소는 물론이고 연결부의 피로파괴의 우려를 불식시킬 수 있는 보강재를 구비한 I형 거더를 제공하는 데 그 목적이 있다.The present invention is provided to solve the problems of the prior art as described above, the load applied to the connection of the I-girder as a bolt in the tension portion, the support of the pressure of the I-girder in the compression section, thereby The purpose of the present invention is to provide a type I girder with a reinforcement which can reduce the work load in the as well as the fear of fatigue failure at the connection.

도 1은 일반적인 I형 거더의 연결관계를 나타낸 사시도이고,1 is a perspective view showing a connection relationship between a general type I girder,

도 2는 도 1에 도시된 연결된 I형 거더의 분해사시도이고,Figure 2 is an exploded perspective view of the connected I-girder shown in Figure 1,

도 3은 본 발명의 한 실시예에 따른 I형 거더의 사시도이고,3 is a perspective view of an I-girder according to an embodiment of the present invention,

도 4는 도 3에 도시된 I형 거더의 연결상태를 나타낸 사시도이며,4 is a perspective view showing a connection state of the I-girder shown in FIG.

도 5는 도 4에 도시된 연결된 I형 거더의 종방향 단면도이다.5 is a longitudinal sectional view of the connected I-girder shown in FIG. 4.

♠ 도면의 주요부분에 대한 부호의 설명 ♠♠ Explanation of symbols on the main parts of the drawing ♠

1, 10 : I형 거더 3 : 이음판1, 10: Type I girder 3: Joint plate

4, 40 : 볼트 5, 42 : 너트4, 40: bolt 5, 42: nut

21 : 제1 보강판 22 : 제2 보강판21: first reinforcing plate 22: second reinforcing plate

23 : 제3 보강판23: third reinforcement plate

앞서 설명한 바와 같은 목적을 달성하기 위한 본 발명에 따르면, I형 거더에 있어서, I형 거더 단부의 단면에 고정되며 복수의 관통공이 형성된 제1 보강판과, 상기 제1 보강판으로부터 이격되어 상기 I형 거더의 상하부 플랜지와 웨브에 용접 고정되며 상기 제1 보강판의 관통공과 대응하는 지점에 관통공들이 형성된 제2 보강판과, 상호 대응하는 상기 제1 보강판의 관통공과 상기 제2 보강판의 관통공에 삽입되는 체결되는 체결수단을 포함하는 보강재를 구비한 I형 거더가 제공된다.According to the present invention for achieving the object as described above, in the I-type girder, the first reinforcement plate is fixed to the cross section of the end of the I-type girder and formed with a plurality of through-holes, and is spaced apart from the first reinforcement plate A second reinforcing plate weld-fixed to the upper and lower flanges and the web of the girder, the through-holes being formed at points corresponding to the through-holes of the first reinforcing plate, and the through-holes of the first reinforcing plate and the second reinforcing plate of There is provided an I-type girder having a reinforcement comprising a fastening means to be inserted into a through hole.

또한, 본 발명의 상기 제1, 제2 보강판의 관통공과 간섭되지 않는 지점에서 상기 제1 보강판과 제2 보강판을 연결하는 복수의 제3 보강판을 부가적으로 포함한다.The apparatus may further include a plurality of third reinforcement plates connecting the first reinforcement plate and the second reinforcement plate at a point that does not interfere with the through holes of the first and second reinforcement plates of the present invention.

아래에서, 본 발명에 따른 보강재를 구비한 I형 거더의 양호한 실시예를 첨부한 도면을 참조로 하여 상세히 설명하겠다.In the following, with reference to the accompanying drawings a preferred embodiment of the type I girder with a reinforcement according to the present invention will be described in detail.

도면에서, 도 3은 본 발명의 한 실시예에 따른 I형 거더의 사시도이고, 도 4는 도 3에 도시된 I형 거더의 연결상태를 나타낸 사시도이며, 도 5는 도 4에 도시된 연결된 I형 거더의 종방향 단면도이다.3 is a perspective view of an I-girder according to an embodiment of the present invention, Figure 4 is a perspective view showing a connection state of the I-girder shown in Figure 3, Figure 5 is a connected I shown in Figure 4 Longitudinal cross-sectional view of the mold girder.

도 3 내지 도 5에 도시된 바와 같이, 보강재를 구비한 I형 거더(10)는 I형 거더의 단부를 폐쇄하는 제1 보강판(21)과, 제1 보강판(21)으로부터 I형 거더(10)의 길이 중간방향으로 소정의 거리만큼 떨어져 형성된 제2 보강판(22)을 포함한다.As shown in FIGS. 3 to 5, the I type girder 10 having the reinforcement includes a first reinforcement plate 21 for closing an end of the I type girder and an I type girder from the first reinforcement plate 21. The second reinforcing plate 22 is formed to be spaced apart by a predetermined distance in the longitudinal direction of the length of 10.

여기에서 제1 보강판(21)은 그 길이가 I형 거더(10)의 상하부 플랜지(10a, 10c) 폭과 동일하고, 높이는 상부 플랜지(10a)의 상면과 하부 플랜지(10c)의 하면의 높이와 동일한 높이를 갖는다. 이런 제1 보강판(21)은 I형 거더(10)의 단부에 용접 고정된다. 그리고, 제2 보강판(22)은 I형 거더(10)의 안쪽에 위치하는데, 상하부 플랜지(10a, 10c)의 마주하는 면과 웨브(10b)에 용접 고정된다.Here, the length of the first reinforcement plate 21 is equal to the width of the upper and lower flanges 10a and 10c of the I-type girder 10, and the height is the height of the upper surface of the upper flange 10a and the lower surface of the lower flange 10c. Have the same height as. This first reinforcement plate 21 is welded to the end of the I-shaped girder 10. The second reinforcement plate 22 is located inside the I-girder 10, and is welded to the facing surfaces of the upper and lower flanges 10a and 10c and the web 10b.

또한, 이런 제1 보강판(21)과 제2 보강판(22)에는 다수 개의 관통공(31, 32)이 형성되는데, 제1 보강판(21)의 관통공(31)과 제2 보강판(22)의 관통공(32)은 상호 대응하게 형성된다. 그리고, 다수 개의 제3 보강판(23)은 제1 보강판(21)과 제2 보강판(22)을 연결한다. 이런 제3 보강판(23)의 위치는 제1 보강판(21)과 제2 보강판(22)과의 관통공(31, 32)과 간섭이 발생하지 않는 위치에 고정된다.In addition, a plurality of through holes 31 and 32 are formed in the first reinforcing plate 21 and the second reinforcing plate 22, and the through holes 31 and the second reinforcing plate of the first reinforcing plate 21 are formed. The through holes 32 of 22 are formed corresponding to each other. In addition, the plurality of third reinforcement plates 23 connect the first reinforcement plate 21 and the second reinforcement plate 22. The position of the third reinforcement plate 23 is fixed to a position where interference does not occur with the through holes 31 and 32 between the first reinforcement plate 21 and the second reinforcement plate 22.

이와 같은 보강재를 구비한 I형 거더(10)는 각각의 단부가 상호 맞대응한 상태에서 두 I형 거더(10)의 제1 보강판(21)과 제2 보강판(22)의 대응하는 관통공(31, 32)에 앵커볼트(40)를 삽입하고 앵커볼트(40)의 양단부에 너트(42)를 체결한다. 한편, 제2 보강판(22)과 너트(42)의 사이에는 와셔(도면에 도시안됨)가 위치하는 것이 바람직하다.The I-type girder 10 having such a reinforcing material has a corresponding through hole between the first reinforcing plate 21 and the second reinforcing plate 22 of the two I-type girder 10 in a state in which respective ends thereof correspond to each other. Insert the anchor bolt (40) into (31, 32) and fasten the nuts 42 to both ends of the anchor bolt (40). On the other hand, it is preferable that a washer (not shown) is located between the second reinforcing plate 22 and the nut 42.

이와 같이 맞대응한 보강재를 구비한 I형 거더(10)에 앵커볼트(40)와너트(42)가 체결되어 두 I형 거더(10)를 연결한다.In this way, the anchor bolt 40 and the nut 42 are fastened to the I-type girder 10 provided with the corresponding reinforcement to connect the two I-type girder 10.

이와 같은 연결구조를 갖는 I형 거더(10)의 연결부에 하중이 가해지면, 도 5에 도시된 바와 같이, 하중이 연결된 I형 거더(10)의 상부 플랜지(10a)에 가해지면, I형 거더(10)의 상부 플랜지(10a)에는 압축력이 작용하고, 그 반대쪽인 하부 플랜지(10c)에 위치한 앵커볼트(40)들에는 인장력이 발생한다.When a load is applied to the connecting portion of the I-type girder 10 having such a connection structure, as shown in FIG. 5, when the load is applied to the upper flange 10a of the connected I-type girder 10, the I-type girder Compression force is applied to the upper flange (10a) of the (10), the tension force is generated in the anchor bolts (40) located on the lower flange (10c) opposite.

앞서 상세히 설명한 바와 같이, 본 발명의 보강재를 구비한 I형 거더는 종래의 I형 거더를 연결하기 위해 현장에서 이음판을 제작하지 않아도 됨으로써, 작업효율을 높이는 장점이 있다.As described in detail above, the I-type girder provided with the reinforcing member of the present invention does not have to manufacture a joint plate in the field in order to connect the conventional I-type girder, thereby increasing the work efficiency.

또한, 본 발명의 보강재를 구비한 I형 거더는 연결부에 하중이 가해지더라도 그 하중을 연결볼트의 인장과 제1 보강재의 지압으로 지지함으로 종래의 용접이음의 피로균열의 우려를 불식시킬 수 있다는 장점이 있다.In addition, the type I girder provided with the reinforcing member of the present invention, even if a load is applied to the connecting portion by supporting the load by the tension of the connecting bolt and the acupressure of the first reinforcing material can eliminate the fear of fatigue cracking of conventional welded joints There is this.

이상에서 본 발명의 보강재를 구비한 I형 거더에 대한 기술사상을 첨부도면과 함께 서술하였지만, 이는 본 발명의 가장 양호한 실시예를 예시적으로 설명한 것이지 본 발명을 한정하는 것은 아니다. 또한, 이 기술분야의 통상의 지식을 가진 자이면 누구나 본 발명의 기술사상의 범주를 이탈하지 않는 범위 내에서 다양한 변형 및 모방이 가능함은 명백한 사실이다.Although the technical idea of the I-type girder having the reinforcing material of the present invention has been described above with the accompanying drawings, this is illustrative of the best embodiment of the present invention and is not intended to limit the present invention. In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

Claims (2)

I형 거더에 있어서,In type I girders, I형 거더 단부의 단면에 고정되며 복수의 관통공이 형성된 제1 보강판과,A first reinforcing plate fixed to a cross section of an end portion of the I-girder and having a plurality of through holes formed therein; 상기 제1 보강판으로부터 이격되어 상기 I형 거더의 상하부 플랜지와 웨브에 용접 고정되며 상기 제1 보강판의 관통공과 대응하는 지점에 관통공들이 형성된 제2 보강판과,A second reinforcing plate spaced apart from the first reinforcing plate and welded to the upper and lower flanges and the web of the I-type girder, the through-holes formed at points corresponding to the through-holes of the first reinforcing plate; 상호 대응하는 상기 제1 보강판의 관통공과 상기 제2 보강판의 관통공에 삽입되는 체결되는 체결수단을 포함하는 것을 특징으로 하는 보강재를 구비한 I형 거더.I-type girder with a reinforcing material, characterized in that it comprises a fastening means which is inserted into the through hole of the first reinforcing plate and the through hole of the second reinforcing plate corresponding to each other. 제 1 항에 있어서,The method of claim 1, 상기 제1, 제2 보강판의 관통공과 간섭되지 않는 지점에서 상기 제1 보강판과 제2 보강판을 연결하는 복수의 제3 보강판을 부가적으로 포함하는 것을 특징으로 하는 보강재를 구비한 I형 거더.And a plurality of third reinforcing plates connecting the first reinforcing plate and the second reinforcing plate at a point not interfering with the through-holes of the first and second reinforcing plates. Brother girder.
KR1020010082997A 2001-12-21 2001-12-21 I-shape steel girder with reinforcement KR100773410B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020010082997A KR100773410B1 (en) 2001-12-21 2001-12-21 I-shape steel girder with reinforcement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020010082997A KR100773410B1 (en) 2001-12-21 2001-12-21 I-shape steel girder with reinforcement

Publications (2)

Publication Number Publication Date
KR20030052879A true KR20030052879A (en) 2003-06-27
KR100773410B1 KR100773410B1 (en) 2007-11-05

Family

ID=29577619

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010082997A KR100773410B1 (en) 2001-12-21 2001-12-21 I-shape steel girder with reinforcement

Country Status (1)

Country Link
KR (1) KR100773410B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160141987A (en) 2015-06-02 2016-12-12 주식회사 포스코 Girder structure
CN112211291A (en) * 2020-10-28 2021-01-12 同济大学建筑设计研究院(集团)有限公司 Beam-beam connecting joint of container house

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106334895A (en) * 2016-10-13 2017-01-18 罗伯泰克自动化科技（苏州）有限公司 Upper cross beam adopting flange for connection
KR102252648B1 (en) * 2020-09-28 2021-05-17 서상호 Structure Of Assemble For Steel Frame

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000144907A (en) * 1998-11-16 2000-05-26 Ohbayashi Corp Joint structure between inverted construction post and beam
JP2001295365A (en) * 2000-04-17 2001-10-26 Mitsui Constr Co Ltd Steel framed structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160141987A (en) 2015-06-02 2016-12-12 주식회사 포스코 Girder structure
CN112211291A (en) * 2020-10-28 2021-01-12 同济大学建筑设计研究院(集团)有限公司 Beam-beam connecting joint of container house

Also Published As

Publication number Publication date
KR100773410B1 (en) 2007-11-05

Similar Documents

Publication Publication Date Title
JP3577587B2 (en) Joining structure of steel using shear ring and joining method of the steel
KR101868677B1 (en) Connection unit for coupling main steel girder and ancillary steel girder and, connection methods using the same
KR101870269B1 (en) Strengthening apparatus of lightweight steel truss members by external prestressing
KR20090038730A (en) Combination members for beam
KR100773410B1 (en) I-shape steel girder with reinforcement
JP3909445B2 (en) Method for reinforcing plate
KR101953016B1 (en) Buckling-Restrained Member and reinforcing method of non-welded to improve seismic performance of steel building using thereof
JP2018012959A (en) Wooden column/beam joint structure
KR101720103B1 (en) Composite beam for construction frame
KR102169828B1 (en) Joint of columns
KR100506573B1 (en) Steel beam constructed prestressing segmental component and construction method thereof
KR100370177B1 (en) Compression bracket for external prestressing reinforcement of girder
JP2007032159A (en) Connecting structure of steel plate concrete structural body
KR102633906B1 (en) Temporary bridge and construction method using the same
KR20050116006A (en) Coupling structure of supporting beam and coupling apparatus therefor
JP2004156291A (en) Bridge girder structure and erection method for bridge girder
JPH02240342A (en) Structure for connecting part of steel frame column
KR102183913B1 (en) Manufacturing method of prestressed girder and bridge construction method using the same
KR101233686B1 (en) Steel Girder Structure
JP3232630U (en) Joining structure of mountain retaining material
JP6924999B1 (en) Joining structure of mountain retaining material
KR102458321B1 (en) Interlocking connector and steel pipe girder includjin the same
JP3073191U (en) Digit connection structure
JP2022124595A (en) Composite structure of beam and concrete slab
JP2008019662A (en) Joint for connecting beam or column and reinforcing member of building

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20121011

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20131002

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20140930

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20151002

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20170724

Year of fee payment: 11

FPAY Annual fee payment

Payment date: 20191029

Year of fee payment: 13