KR20050082241A - Dowel bar assembly structure of connect concrete for bridge - Google Patents
Dowel bar assembly structure of connect concrete for bridge Download PDFInfo
- Publication number
- KR20050082241A KR20050082241A KR1020040010628A KR20040010628A KR20050082241A KR 20050082241 A KR20050082241 A KR 20050082241A KR 1020040010628 A KR1020040010628 A KR 1020040010628A KR 20040010628 A KR20040010628 A KR 20040010628A KR 20050082241 A KR20050082241 A KR 20050082241A
- Authority
- KR
- South Korea
- Prior art keywords
- dowel bar
- slab
- bridge
- urethane foam
- construction
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
- E04B5/36—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor
- E04B5/38—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element
- E04B5/40—Floor structures wholly cast in situ with or without form units or reinforcements with form units as part of the floor with slab-shaped form units acting simultaneously as reinforcement; Form slabs with reinforcements extending laterally outside the element with metal form-slabs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/065—Light-weight girders, e.g. with precast parts
Abstract
본 발명은 교량의 시공중 접속 슬래브를 설치하기 위한 다웰바에 관한 것으로서, 특히 내부 보강재를 설치후 우레탄 발포재와 외부 캡만 설치하는 간단한 시공을 할 수 있도록 구성하고, 기존 시설과 같이 양생 기간이 필요없으며, 외부 원형 띠철근과 바닥 철근의 제작이 필요없어 시공이 간단하고 공사 기간도 단축할 수 있도록 하는 교량의 접속 슬래브 다웰바 설치구조에 관한 것이다.The present invention relates to a dowel bar for installing a connecting slab during construction of a bridge, and in particular, the internal reinforcing material is configured to allow a simple construction of installing only urethane foam and an outer cap after installation, and does not require a curing period as in an existing facility. It is related to the installation structure of bridge slab dowel bar, which makes the construction simple and shorten the construction period because there is no need to manufacture external circular band reinforcing bars and floor reinforcing bars.
본 발명은, 교대의 후방에 접속 슬래브를 시공시 사용되는 다웰바에 있어서, 상기 교대에는, 후방면에 접속 슬래브가 설치되는 경우 접속판이 밀착되도록 형성되는 한편, 상기 다웰바(700)는, 접속판(250)이 교대의 후방과 바닥면(100)에 설치되고, 그 바닥면(100)에 내부 보강재(200)가 입설되며, 그 내부 보강재(200)의 외측에 2개 1조로 구성된 우레탄 발포제(300)가 밀착되며, 그 우레탄 발포제(300)의 외측에 외부 캡(400)이 씌어지면서 설치된 것을 특징으로 하는 교량의 접속 슬래브 다웰바 설치구조를 제공한다.The present invention is a dowel bar for use in constructing a connecting slab at an alternating rear, wherein the alternating plate is formed such that a connecting plate is in close contact with the connecting slab at a rear surface thereof. 250 is installed on the rear and bottom surface 100 of the alternation, and the internal reinforcement 200 is placed on the bottom surface 100, and the urethane foam composed of two sets in the outer side of the internal reinforcement 200 ( 300 is in close contact with the outer slab of the urethane foam 300 is provided while the outer cap 400 is installed to provide a bridge connecting slab dowel bar installation structure.
Description
본 발명은 교량의 시공중 접속 슬래브를 설치하기 위한 다웰바에 관한 것으로서, 특히 내부 보강재를 설치후 우레탄 발포재와 외부 캡만 설치하는 간단한 시공을 할 수 있도록 구성하고, 기존 시설과 같이 양생 기간이 필요없으며, 외부 원형 띠철근과 바닥 철근의 제작이 필요없어 시공이 간단하고 공사 기간도 단축할 수 있도록 하는 교량의 접속 슬래브 다웰바 설치구조에 관한 것이다.The present invention relates to a dowel bar for installing a connecting slab during construction of a bridge, and in particular, the internal reinforcing material is configured to allow a simple construction of installing only urethane foam and an outer cap after installation, and does not require a curing period as in an existing facility. It is related to the installation structure of bridge slab dowel bar, which makes the construction simple and shorten the construction period because there is no need to manufacture external circular band reinforcing bars and floor reinforcing bars.
일반적으로 다웰바(40)는, 도 1에 도시되듯이, 교대(10)에 상판 슬래브(20)가 교좌 장치(30)를 매개로 안착될 때, 그 후방에 접속 슬래브(50)를 형성할 때 설치되는 바, 접속 슬래브(50)가 없는 경우, 상판 슬래브(20)와 연접되는 도로면이 하부로 침하되는 문제점을 해결하기 위해 설치된다.In general, the dowel bar 40, as shown in FIG. 1, forms the connecting slab 50 at the rear thereof when the upper slab 20 is seated on the alternating device 10 via the alternating device 30. When installed, when there is no connection slab 50, the road surface in contact with the upper slab 20 is installed to solve the problem of sinking to the bottom.
상기 다웰바(40)는, 내부 강봉(42)을 설치후 외부 커버(44)를 씌우고 내부에 아스팔트 충진홀(45)을 통해 아스팔트(46)를 충진하며, 외부에 바닥 철근(48)과 원형 띠철근(47)을 설치하는 방식으로 설치하게 된다.The dowel bar 40 covers the outer cover 44 after installing the inner steel bar 42 and fills the asphalt 46 through the asphalt filling hole 45 therein, and the bottom reinforcing bar 48 and the outer circle. The band reinforcing bar 47 is installed in such a manner as to be installed.
그러나, 기존 다웰바(40)는, 자재의 제작이 어렵고, 아스팔트 충진의 양생 기간으로 인해 공사 기간이 길어지는 단점이 있다.However, the existing dowel bar 40 has a disadvantage in that the production of the material is difficult, and the construction period is long due to the curing period of the asphalt filling.
본 발명은 상술한 문제점을 감안하여, 본 발명은, 내부 보강재를 설치후 우레탄 발포재와 외부 캡만 설치하는 간단한 시공을 할 수 있도록 구성하고, 기존 시설과 같이 양생 기간이 필요없으며, 외부 원형 띠철근과 바닥 철근의 제작이 필요없어 시공이 간단하고 공사 기간도 단축할 수 있도록 하는 교량의 접속 슬래브 다웰바 설치구조를 제공함을 그 목적으로 한다.In view of the above-described problems, the present invention is configured to allow a simple construction of installing only the urethane foam and the outer cap after installation of the internal reinforcement, and does not require a curing period like the existing facility, the outer circular band reinforcement Its purpose is to provide a bridge slab dowel bar installation structure that makes construction simple and shortens the construction period because it does not require the production of reinforcing bars and floors.
본 발명은 상술한 목적 달성을 위해, 본 발명은, 교대의 후방에 접속 슬래브를 시공시 사용되는 다웰바에 있어서, 상기 교대에는, 후방면에 접속 슬래브가 설치되는 경우 접속판이 밀착되도록 형성되는 한편, 상기 다웰바는, 접속판이 교대의 후방과 바닥면에 설치되고, 그 바닥면에 내부 보강재가 입설되며, 그 내부 보강재의 외측에 2개 1조로 구성된 우레탄 발포제가 밀착되며, 그 우레탄 발포제의 외측에 외부 캡이 씌어지면서 설치된 것을 특징으로 하는 교량의 접속 슬래브 다웰바 설치구조를 제공한다.The present invention to achieve the above object, the present invention, in the dowel bar used in the construction of the connecting slab in the rear of the alternating, the shift is formed so that the connecting plate is in close contact with the connecting slab is provided on the rear surface, The dowel bar is connected to the rear plate and the bottom surface of the alternating plate, an internal reinforcing material is placed on the bottom surface thereof, and a urethane foam composed of two sets is in close contact with the outside of the internal reinforcing material, and on the outside of the urethane foaming material. It provides a bridge connecting slab dowel bar mounting structure characterized in that the outer cap is installed while being covered.
이하, 첨부 도면을 참조하여 본 발명의 구성을 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the structure of this invention is demonstrated with reference to an accompanying drawing.
도 3은 본 발명의 다웰바 구조를 나타내는 도면이고, 도 4는 본 발명의 다웰바의 분해 상태를 나타내는 도면이다.3 is a view showing the dowel bar structure of the present invention, Figure 4 is a view showing the decomposition state of the dowel bar of the present invention.
다웰바(700)는, 접속판(250)이 교대의 후방과 바닥면(100)에 설치되고, 그 바닥면(100)에 내부 보강재(200)가 입설되며, 그 내부 보강재(200)의 외측에 2개 1조로 구성된 우레탄 발포제(300)가 밀착되며, 그 우레탄 발포제(300)의 외측에 외부 캡(400)이 씌어지면서 설치가 완료된다.In the dowel bar 700, the connecting plate 250 is installed at the rear and the bottom surface 100 of the alternation, and the internal reinforcement 200 is placed in the bottom surface 100, and the outside of the internal reinforcement 200 is provided. The urethane blowing agent 300 composed of two sets in close contact with each other, and the installation is completed while the outer cap 400 is covered on the outside of the urethane blowing agent 300.
상기 내부 보강재(200)는, 상단에 3단으로 원형틀부(210)가 형성되고, 상기 우레탄 발포제(300)는, 2개 1조로 형성되고, 내측에 내부 부력방지 홈부(310)가 형성되어 원형틀부(210)에 밀착되며, 또한 상기 외부 캡(400)은, 하부에 슬라이딩 플레이트(410)가 형성되고, 외부에 원형 돌기(420)가 다수개 형성되어 접속 슬래브에 견고하게 밀착되게 된다.The inner reinforcing member 200, the circular frame portion 210 is formed in three stages at the upper end, the urethane foam 300 is formed in a pair of two, the inner buoyancy preventing groove portion 310 is formed on the inside It is in close contact with the circular frame portion 210, and the outer cap 400, the sliding plate 410 is formed at the bottom, a plurality of circular protrusions 420 are formed on the outside to be firmly in close contact with the connecting slab. .
상기 접속판(250)은, 'ㄴ'자 형태로, 각각 앵커(252)가 다수개 형성되고, 수평한 관통홀(254)이 형성되어, 그 관통홀(254)을 통해 내부 보강재(200)가 삽입고정된다.The connecting plate 250 has a plurality of anchors 252 in a 'b' shape, and horizontal through holes 254 are formed, and the internal reinforcement 200 is formed through the through holes 254. Is fixed.
상술한 구성을 갖는 다웰바(700)는, 도시된 도 3과 도 4에서 알 수 있듯이, 종래와 같이 원형 띠철근 및 바닥 철근이 불필요하고, 내부에 아스팔트를 충진하지 않는 구조로 설치되는 한편, 내부 보강재(200)의 상부에 우레탄 발포제(300)가 밀착되고, 그 외부에 외부 캡(400)이 설치되는 구조로 설치되는 바, 그 외부 캡(400)의 원형 돌기(420)에 의하여 접속 슬래브의 콘크리트와 견고하게 밀착되게 된다.As shown in FIGS. 3 and 4, the dowel bar 700 having the above-described configuration does not require circular band reinforcing bars and floor reinforcing bars as in the related art, and is installed in a structure that does not fill asphalt therein. Urethane foam 300 is in close contact with the upper portion of the internal reinforcing material 200, the outer cap 400 is installed in a structure that is installed on the outside, the connecting slab by the circular protrusion 420 of the outer cap 400 It will be firmly in contact with the concrete of the.
상술한 본 발명의 구성에 의한 효과를 설명한다.The effect by the structure of this invention mentioned above is demonstrated.
본 발명의 다웰바는, 그 구조상 아스팔트의 시공이 불필요하고, 원형 띠철근과 바닥 철근이 불필요하여 시공이 간단하므로 공사 기간을 단축할 수 있게 하는 효과를 얻을 수 있다.Since the construction of the dowel bar of the present invention does not require the construction of asphalt and does not require circular strip reinforcing bars and floor reinforcing bars, the construction is simple, and thus the construction period can be shortened.
도 1은 종래의 교량의 접속 슬래브와 다웰바가 설치된 상태를 나타내는 도면.1 is a view showing a state in which a connection slab and a dowel bar of a conventional bridge are installed.
도 2는 종래의 다웰바 구조를 나타내는 도면.2 is a view showing a conventional dowel bar structure.
도 3은 본 발명의 다웰바 구조를 나타내는 도면.3 is a view showing a dowel bar structure of the present invention.
도 4는 본 발명의 다웰바의 분해 상태를 나타내는 도면.4 is an exploded view of a dowel bar of the present invention.
< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>
100: 바닥면 200: 내부 보강재100: bottom 200: internal reinforcement
250: 접속판 300: 우레탄 발포제250: connection plate 300: urethane foaming agent
400: 외부 캡 700: 다웰바400: outer cap 700: dowel bar
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040010628A KR100555217B1 (en) | 2004-02-18 | 2004-02-18 | Dowel bar assembly structure of connect concrete for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040010628A KR100555217B1 (en) | 2004-02-18 | 2004-02-18 | Dowel bar assembly structure of connect concrete for bridge |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR20-2004-0004171U Division KR200351737Y1 (en) | 2004-02-18 | 2004-02-18 | Dowel bar assembly structure of connect concrete for bridge |
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| Publication Number | Publication Date |
|---|---|
| KR20050082241A true KR20050082241A (en) | 2005-08-23 |
| KR100555217B1 KR100555217B1 (en) | 2006-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020040010628A KR100555217B1 (en) | 2004-02-18 | 2004-02-18 | Dowel bar assembly structure of connect concrete for bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101656069B1 (en) * | 2015-10-20 | 2016-09-08 | 충남대학교산학협력단 | Integral Abutment Bridge Having deflection Absorbing Part |
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2004
- 2004-02-18 KR KR1020040010628A patent/KR100555217B1/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101656069B1 (en) * | 2015-10-20 | 2016-09-08 | 충남대학교산학협력단 | Integral Abutment Bridge Having deflection Absorbing Part |
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| KR100555217B1 (en) | 2006-03-03 |
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