KR20140032081A - Monolithic cross beam structure - Google Patents

Monolithic cross beam structure Download PDF

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Publication number
KR20140032081A
KR20140032081A KR1020120098421A KR20120098421A KR20140032081A KR 20140032081 A KR20140032081 A KR 20140032081A KR 1020120098421 A KR1020120098421 A KR 1020120098421A KR 20120098421 A KR20120098421 A KR 20120098421A KR 20140032081 A KR20140032081 A KR 20140032081A
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KR
South Korea
Prior art keywords
integrated
girder
upper flange
crossbeam
flange
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KR1020120098421A
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Korean (ko)
Inventor
하성배
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하성배
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Publication date
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Priority to KR1020120098421A priority Critical patent/KR20140032081A/en
Publication of KR20140032081A publication Critical patent/KR20140032081A/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
    • E01D2/02—Bridges characterised by the cross-section of their bearing spanning structure of the I-girder type
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The present invention is not easy to form a plurality of segmented cross beams connected to the bridge formed to extend integrally to correspond to the width of the bar is easy to connect with the girder and easy, and the number of installation of the lower pile in favor of the load resistance of the cantilever (cantilever) Of course, it is advantageous to install the railing, and there is no need for horizontal setting, and there is an upper flange at the girder and the cross beam connection, so as the load resistance increases, the yoke can be omitted without changing the cross beam size. When a concrete deck is used, the axial reinforcing bar acts as a main reinforcing bar, so it is related to an integrated crossbeam connecting structure that can reduce the amount of steel used.
In the integrated crossbeam connection structure according to an embodiment of the present invention is an integrated crossbeam connection structure consisting of an upper flange, a lower flange and a connection portion connecting the upper flange and the lower flange, the integrated crossbeam connection structure is a bridge of It is formed integrally extended to correspond to the width and the lower side is characterized in that the insertion groove is formed to enable the insertion and fastening of the girder coupled in the orthogonal direction from the bottom of the integrated crossbeam connecting structure.

Figure P1020120098421

Description

Integrated crossbeam connection structure {MONOLITHIC CROSS BEAM STRUCTURE}

The present invention relates to an integrated crossbeam connection structure, more specifically, a plurality of segmented crossbeams do not form a connection, but are integrally formed to extend integrally to correspond to the width of the bridge bar and easy connection with the girder, cantilever (cantilever) It is advantageous to the load resistance of the part, which can reduce the number of installations of the lower pile, as well as the handrail installation, and there is no need for horizontal setting, and there is an upper flange at the girder and the cross beam connection. It is possible to omit the installation without a yoke, and when the concrete deck is used as the bottom plate, the cross-beam structure is connected to the bridge to reduce the amount of rebar use by acting as the main reinforcing bars.

In general, the bridge is installed in the order of the lower pile girder crossbeam bottom plate and then completed by installing various types of slabs or placing concrete on the bottom plate. Here, the cross beam refers to a beam made in the transverse direction with respect to the girder, and conventionally, a plurality of segmented cross beams are fastened to the girder using many bolts on a large gusset plate.

Conventionally, the yoke is placed on the crossbeams installed on the girders so that the load does not act directly on the crossbeams and the joists are installed on the yoke tops to install wooden decks or concrete decks. As a result, the number of bolts for fixing the cross beams to the girder increases or the size of the cross beams increases, as well as the difficulty of maintaining the horizontal beams.

As shown in Patent No. 10-0700402 Kangarobo and its construction method, a large number of bolts should be fastened to a large gusset plate connecting the cross beam and the girder. In addition, a large number of bolts are required to withstand large loads to form the left and right cantilever parts, and thus, additional girders must be additionally installed to reinforce the load resistance of the cantilever part and to install a railing at the left and right ends. there was.

In addition, the installation distance of girders is generally 2 ~ 3m and the installation distance of horizontal beams is about 5m. When concrete deck is used as the floor plate, the perpendicular direction of the bridge is the direction of the main reinforcing bar. There was a problem that the point reinforcement to reach the point required.

Therefore, an object of the present invention is to provide an integrated crossbeam connection structure that is easily connected to the girder bar is formed integrally extended to correspond to the width of the bridge rather than forming a plurality of segmented crossbeams.

In addition, an object of the present invention is to provide an integrated cross beam connecting structure that can be advantageously installed as a railing as well as to reduce the number of installation of the girder and the lower pile in favor of the load resistance of the cantilever (cantilever).

In addition, in the prior art, it is difficult to horizontally set the horizontal beam upper portion and the upper part of the girder, the number of bolts on the girder and the horizontal beam connection increases, and the yoke is added to the upper horizontal beam to compensate for the problem that the horizontal beam becomes larger, but the present invention has the width of the horizontal beam bridge width Since it has a constant horizontal surface, it does not need to be set horizontally, and there is an upper flange at the girder and the cross beam connection. As the load resistance increases, yoke installation can be omitted without changing the cross beam size. It is an object of the present invention to provide an integrated cross beam connecting structure in which the direction reinforcing bar serves as a main reinforcing bar to reduce the amount of rebar use.

In order to achieve the above objects, the present invention provides an integrated crossbeam connection structure, wherein the integrated crossbeam (1) comprises: an upper flange (10) formed in a plate shape and in a longitudinal direction; A lower flange 20 formed to correspond to the upper flange 10 and positioned horizontally below the upper flange 10; And a connection part 30 having an upper end and a lower end connected to the center of the upper flange 10 and the center of the lower flange 20 in a state in which the upper flange 10 and the lower flange 20 are horizontally disposed in the lengthwise direction. Including; the integrated crossbeam (1), the upper flange 10, the lower flange 20 and the connecting portion 30 is formed integrally so as to correspond to the width of the bridge, integral crossbeam (both on both lower sides) Characterized in that the insertion groove 40 from which the lower flange 20 and the connecting portion 30 has been removed is formed so as to enable insertion and fastening of the girder 50 coupled in the orthogonal direction at the bottom of 1).

Girder 50 is coupled to the orthogonal direction to the insertion groove 40 of the integrated crossbeam (1) in the present invention; A gusset plate 70 for fastening the girder 50 and the integrated horizontal beam 1 coupled to the insertion groove 40 to each other; A joist (80) installed on an upper portion of the upper flange (10) of the integrated horizontal beam (1) and installed perpendicularly to the longitudinal direction of the upper flange (10); And a bottom plate 90 installed on the upper portion of the joist 80.

In the present invention, the bottom plate 90 is characterized in that the wood deck or concrete deck.

In the present invention, the integrated horizontal beam (1), the reinforcing member 110 is installed at least one or more positioned in the longitudinal direction on the upper surface of the upper flange 10 located on the upper portion of the insertion groove 40; In addition, the reinforcing member 110 is formed to be longer than the longitudinal width of the insertion groove 40, or at least two or more are positioned in a straight line in the longitudinal direction spaced at a predetermined interval, characterized in that the rectangular or trapezoidal shape. .

In the present invention, the integrated horizontal beam connection structure is selected from a variety of shapes including H type, box type, T type, the girder inserted into the insertion groove is H type, box type, T type, inverted T type, circular It is assumed that it is one selected from the various shapes included.

According to the integrated crossbeam connecting structure according to the preferred embodiment of the present invention as described above, first, the connection with the girder is formed integrally extending to correspond to the width of the bridge, rather than forming a plurality of segmented crossbeams. Simple has an excellent advantage.

Secondly, it is advantageous to load resistance of the cantilever part to reduce the number of installation of the girder and the lower pile as well as the railing installation has an advantage.

Third, because there is no need for horizontal setting and there is an upper flange at the girder and cross beam connection, as the load resistance increases, yoke installation can be omitted without changing the cross beam size. By doing so, it has an excellent advantage in reducing rebar consumption.

1 is a perspective view showing an installation example of a girder, a cross beam, a yoke, a joist, a bottom plate according to the prior art.
Figure 2 is a perspective view showing an installation example of the yoke, joist, bottom plate according to the prior art.
Figure 3 is a perspective view showing an integrated crossbeam of the integrated crossbeam connecting structure according to an embodiment of the present invention.
Figure 4 is a perspective view showing a state in which the integrated crossbeam connection structure is coupled with the integrated crossbeam and girder according to an embodiment of the present invention.
Figure 5 is a cross-sectional view showing a state in which the integrated cross-beam connection structure installed in the bridge according to an embodiment of the present invention.
6 and 7 are perspective views showing a state in which the reinforcing material is installed on the upper side of the integrated crossbeam of the integrated crossbeam connection structure according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It will be understood by those of ordinary skill in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Figure 3 is a perspective view of the integrated crossbeam connecting structure according to an embodiment of the present invention, Figure 4 is a cross-sectional view of the integrated crossbeam with the lower pile 60 and the girder 50 according to an embodiment of the present invention. 5 is a sectional view showing a cross-sectional view showing an integrated horizontal beam installed in a bridge according to an embodiment of the present invention.

Hereinafter, the integrated crossbeam 1 according to an exemplary embodiment of the present invention will be described in detail with reference to FIGS. 3 to 5.

Integrated crossbeam connection structure according to an embodiment of the present invention includes an integrated crossbeam (1), girder 50, gusset plate 70, joist 80, bottom plate 90.

First, the integrated crossbeam 1 includes an upper flange 10, a lower flange 20, and a connecting portion 30.

The upper flange 10 is plate-shaped and is formed in the longitudinal direction.

In addition, the lower flange 20 is formed to correspond to the upper flange 10 and is positioned horizontally below the upper flange 10.

In addition, the connection part 30 has a top and a bottom of the upper flange 10 and the center of the lower flange 20 in a state where the upper flange 10 and the lower flange 20 are horizontally horizontally positioned with each other. Are each connected to.

In particular, the integrated crossbeam 1, the upper flange 10, the lower flange 20 and the connecting portion 30 is formed integrally to correspond to the width of the bridge.

Here, the integrated cross beam 1, the lower flange 20 and the connecting portion 30 is removed to enable the insertion and fastening of the girder 50 coupled in the orthogonal direction from the bottom of the integrated cross beam 1 on both sides of the lower Insertion groove 40 is formed.

That is, the integrated cross beam 1 is fastened by the girder 50 and the gusset plate 70 and serves to support the load of the bottom plate 90 installed on the upper portion thereof so as to integrally correspond to the width of the bridge. Insertion grooves 40 are formed on both sides of the lower side thereof so as to allow insertion and fastening of the girder 50 coupled in the orthogonal direction from the bottom of the integrated crossbeam 1.

In this case, the above-described integrated horizontal beam 1 is one selected from various shapes including H type, box type, and T type, and the girder 50 inserted into the aforementioned insertion groove 40 is H type, box type, and T type. , Inverted T-type, it is to be selected one of a variety of shapes, including circular, integral crossbeam 1 and the girder 50 is to be selected one of a variety of materials, including steel, concrete, FRP.

The integrated horizontal beam 1 according to the present invention is formed integrally to correspond to the width of the bridge, rather than a plurality of segmented crossbeams are formed as in the prior art, the upper flange 10, the lower flange 20 and the upper flange It is made of a connecting portion 30 for connecting the 10 and the lower flange 20, but the lower flange 20 and the connecting portion 30 is not formed at the position where the insertion groove 40 is formed, it is made of only the upper flange (10) .

That is, as the integral crossbeam 1 is integrally connected by the upper flange 10, the girder 50 may be fastened to the girder 50 by welding and minimal bolts without the need to be fastened by the girder 50 and the plurality of bolts. In addition, it is advantageous to load resistance of the cantilever (cantilever) portion can reduce the number of installation of the lower pile 60, as well as the installation of the handrail 100 is advantageous.

6 and 7 are perspective views showing a state in which the reinforcing material is installed on the upper side of the integrated crossbeam of the integrated crossbeam connecting structure according to an embodiment of the present invention.

Meanwhile, the integrated crossbeam 1 of the integrated crossbeam connecting structure according to the present invention further includes a reinforcement 110.

The reinforcement 110 is located in the longitudinal direction on the upper side of the upper flange 10 located above the insertion groove 40 is installed at least one or more.

6 and 7, the reinforcement 110 may be formed to be longer than the longitudinal width of the insertion groove 40, or at least two or more may be positioned in a straight line in the longitudinal direction at a predetermined interval. have.

In addition, the reinforcing member 110 may be formed in a rectangular or trapezoidal shape.

Girder 50 is coupled to the orthogonal direction to the insertion groove 40 of the integrated crossbeam (1).

The gusset plate 70 fastens the girder 50 and the integrated horizontal beam 1 coupled to the insertion groove 40 to each other.

The joist 80 is installed above the upper flange 10 of the integrated crossbeam 1 and is installed perpendicular to the longitudinal direction of the upper flange 10.

The bottom plate 90 is provided above the joist 80.

At this time, the bottom plate 90 is characterized in that the wood deck or concrete deck.

In addition, there is no need for a separate horizontal setting and there is an upper flange on the girder and the cross beam connection, so that the load resistance capacity is increased, it is possible to omit the yoke installation without changing the size of the integrated cross beam (1). Therefore, it is possible to install the joist 80 directly on the integrated crossbeam (1) and to install a bottom plate 90, such as a wooden deck or concrete deck on top.

And when the concrete deck is used as the bottom plate 90 integrally formed cross beam (1) may serve to support the formwork of the bottom plate (90). At this time, unlike the prior art, the upper flange of the integrated crossbeam (1) is located above the girder (50) can be in direct contact with the bottom plate (90), the installation interval of the girder 50 to 2 to 3m By setting the spacing of the lateral cross beam 1 to 1 to 1.5m, which is about 1/2 of the width, the amount of rebar can be effectively reduced by making the reinforcing bar in the direction of the main reinforcing bar.

It will be apparent to those skilled in the art that, although several embodiments above have been illustrated by way of example, the present invention may be embodied in many other forms without departing from the spirit and scope of the invention. Accordingly, the above-described embodiments should be considered as illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents shall be included within the scope of the present invention.

1: integrated crossbeam
10: upper flange
20: lower flange
30: Connection
40: insertion groove
50: girder
60: subfile
70: gusset plate
80: joist
82: yoke
90: bottom plate
100: handrail
110: reinforcement

Claims (5)

In the integrated crossbeam connection structure,
The integrated crossbeam 1,
An upper flange 10 having a plate shape and formed in a longitudinal direction;
A lower flange 20 formed to correspond to the upper flange 10 and positioned horizontally below the upper flange 10; And
A connection part 30 having upper and lower ends connected to the center of the upper flange 10 and the center of the lower flange 20 in a state in which the upper flange 10 and the lower flange 20 are horizontally disposed in the lengthwise direction; Including,
The integrated crossbeam 1, the upper flange 10, the lower flange 20 and the connecting portion 30 is formed integrally to correspond to the width of the bridge, the lower side of the integrated crossbeam (1) on both sides Integral cross beam connecting structure, characterized in that the insertion groove 40 from which the lower flange 20 and the connecting portion 30 is removed so that the insertion and coupling of the girder 50 coupled in the orthogonal direction is formed.
The method according to claim 1,
A girder 50 coupled to the insertion groove 40 of the integrated horizontal beam 1 in an orthogonal direction;
A gusset plate 70 for fastening the girder 50 and the integrated horizontal beam 1 coupled to the insertion groove 40 to each other;
A joist (80) installed on an upper portion of the upper flange (10) of the integrated horizontal beam (1) and installed perpendicularly to the longitudinal direction of the upper flange (10); And
Integrated horizontal beam connecting structure comprising a; bottom plate 90 is installed on the top of the joist 80.
The method of claim 1, wherein the bottom plate 90,
Integrated crossbeam connecting structure, characterized in that the wood deck or concrete deck.
The method of claim 1,
The integrated crossbeam 1,
It further comprises a reinforcing member 110 which is located in the longitudinal direction on the upper side of the upper flange 10 located in the upper portion of the insertion groove 40 is installed at least one or more;
The reinforcing material 110,
It is formed longer than the longitudinal width of the insertion groove 40, or at least two or more are positioned in a straight line in the longitudinal direction spaced at a predetermined interval, integral cross beam connecting structure, characterized in that the rectangular or trapezoidal shape. The method of claim 1, wherein the integrated cross beam 1
H-shaped, box-shaped, T-shaped is selected from among a variety of shapes, the girder 50 is inserted into the insertion groove 40, the H-shaped, box-shaped, T-shaped, inverted T-shaped, including a variety of Integrated crossbeam connecting structure, characterized in that the selected one of the shapes.





KR1020120098421A 2012-09-05 2012-09-05 Monolithic cross beam structure KR20140032081A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD869486S1 (en) 2017-03-27 2019-12-10 Samsung Electronics Co., Ltd. Display screen or portion thereof with transitional graphical user interface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD869486S1 (en) 2017-03-27 2019-12-10 Samsung Electronics Co., Ltd. Display screen or portion thereof with transitional graphical user interface
USD946588S1 (en) 2017-03-27 2022-03-22 Samsung Electronics Co., Ltd. Display screen or portion thereof with graphical user interface

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