KR101638093B1 - Rahmen using hinge type pc wall and method for constructing the same - Google Patents

Rahmen using hinge type pc wall and method for constructing the same Download PDF

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KR101638093B1
KR101638093B1 KR1020140079237A KR20140079237A KR101638093B1 KR 101638093 B1 KR101638093 B1 KR 101638093B1 KR 1020140079237 A KR1020140079237 A KR 1020140079237A KR 20140079237 A KR20140079237 A KR 20140079237A KR 101638093 B1 KR101638093 B1 KR 101638093B1
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South Korea
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wall
connection plate
hinge connection
concrete
slab
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KR1020140079237A
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Korean (ko)
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KR20160001216A (en
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최승희
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최승희
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Abstract

The present invention relates to a ramen bridge using a hinge-driven type PC wall and a method of constructing the same, and it is possible to shorten the air by shortening the installation by using the beam of the PC wall, the girder of the railing foundation and the steel material, And to improve safety.
The ramen bridge using the hinge-operated PC wall according to the present invention comprises a concrete foundation part 10, which is separately installed at a predetermined distance from each other; A hinge connection plate (20) fixed to the base of the concrete structure; A PC wall body 30 in which a lower portion is fitted to the wall fitting portion of the hinge connection plate, respectively; A plurality of girders 41 arranged in the longitudinal direction, an upper slab 44 installed on the girder, and a beam formed between the girders, and slabs 40 ).
A method of laying bridges using a hinged concrete type PC wall according to the present invention comprises: a first step of laying a foundation layer by laying off concrete on a surface of a concrete foundation; A second step of installing a hinge connection plate having a wall fitting part by a shear key on an upper surface of the foundation layer applied through the first step; A third step of installing a concrete in a periphery of the hinge connection plate and casting concrete in the formwork to construct a concrete base part so that the wall fitting part of the hinge connection plate is exposed to the upper part; The PC wall is installed on the wall fitting portion of the hinge connection plate integrally synthesized with the concrete base through the third step, and the bottom of the PC wall surrounds the shear key of the hinge connection plate and is fitted into the wall fitting portion A fourth step of constructing; And a fifth step of constructing a slab between the PC walls installed through the fourth step with the PC wall as a point.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hinge-

The present invention relates to a ramen bridge, and more particularly, to a railway bridge that uses a wall of a PC wall, a girder for a railing foundation, and a steel material to reduce the installation time, thereby shortening the air, The present invention relates to a ramen bridge using a hinged type PC wall and a construction method thereof.

As shown in FIG. 1, the existing raymen structure includes a base portion 1 formed by abandoned concrete on the ground, a concrete foundation portion 2 constructed by placing concrete on a foundation portion 1, a concrete foundation portion 2 formed on a concrete foundation portion 2 A wall portion 3 to be erected, and a slab 4 to be installed on the wall portion 3.

The concrete base part 2, the wall part 3 and the slab 4 are made of a reinforced concrete structure, for example, by using a formwork and a shovel.

The slab 4 has a predetermined thickness and its cross-sectional shape extends in the longitudinal direction and the transverse direction so that the slab 4 has a rectangular cross-sectional shape having a predetermined length and thickness in the longitudinal direction, have.

At this time, a spatter part is formed between the wall part 3 and the slab 4 so as to extend to the upper end connecting part of the wall part 3 inclined downward from the inside. Since the bending moment is generated in the upper part of the spiral part, To ensure rigidity.

The construction of such a ramen structure is simple because it constructs the slab directly without using a girder for bridges. It is an efficient and economical bridge in a relatively short period.

However, since the raymen structure according to the prior art such as Patent Document 1 is constructed by putting the wall portion into the site, the construction is not very good and the air is lengthened and the wall portion is synthesized integrally with the concrete base portion. There is a problem that the cross section becomes excessively large.

As shown in FIG. 2, since the side molds 6 for supporting the handrail 5 (including the barrier) and the side walls for installing the sides of the slab 4 are provided, there is a problem that the workability is poor.

Since the slab 4 is made up of the girder 4a in the longitudinal direction and the transverse beams 4b in the transverse direction and since the girders between the longitudinal direction are very narrow, it is very difficult to install the cross beams in the field, There is also a risk that the risk of safety accidents and the shear and torsional stiffness of beams are weak.

Korean Patent No. 10-1260863

The present invention is to solve the above-mentioned problems, and it is possible to shorten the air by reducing the pouring by using the wall of the PC wall, the girder for the railing foundation and the steel material, It is intended to provide a ramen bridge and a construction method using a hinged type PC wall.

The ramen bridge using the hinge-operated PC wall according to the present invention comprises: a concrete foundation part to be installed at a place separated from each other by a predetermined distance; At least one hinge connection plate fixed to the concrete base, the hinge connection plate having a wall insertion portion by a shear key on an upper surface thereof; A PC wall in which a lower portion of the hinge connection plate is inserted into a wall fitting portion of the hinge connection plate; And a plurality of girders arranged in the longitudinal direction, an upper slab installed on the girder, and a slab formed between the girders, wherein the slab is placed on the upper part of the PC wall.

A method of laying bridges using a hinged concrete type PC wall according to the present invention comprises: a first step of laying a foundation layer by laying off concrete on a surface of a concrete foundation; A second step of installing a hinge connection plate having a wall fitting part by a shear key on an upper surface of the foundation layer applied through the first step; A third step of installing a concrete in a periphery of the hinge connection plate and casting concrete in the formwork to construct a concrete base part so that the wall fitting part of the hinge connection plate is exposed to the upper part; The PC wall is installed on the wall fitting portion of the hinge connection plate integrally synthesized with the concrete base through the third step, and the bottom of the PC wall surrounds the shear key of the hinge connection plate and is fitted into the wall fitting portion A fourth step of constructing; And a fifth step of constructing a slab between the PC walls installed through the fourth step with the PC wall as a point.

According to the ramen bridge using the hinge-operated PC wall according to the present invention and the construction method thereof, it is possible to shorten the air installation and reduce the construction cost by reducing the installation of the field by using the wall of the PC wall, the girder for the railing foundation and the steel material .

In addition, since the hinge connection plate of the PC wall and the PC can be manufactured and the precision construction is possible, the PC wall and the hinge connection plate can be firmly installed, and the safety can be improved through the hinge movement.

In addition, by using the first and second beams of the steel material, securing of the beam in front and in all directions can be secured, thereby preventing an unnecessary increase in cross section.

1 is a structural view of a ramen bridge according to the prior art.
2 is an enlarged view showing a railing foundation of a railing according to the prior art.
3 is a view showing a slab of a ramen bridge according to the prior art.
4 is a front view of a ramen bridge using a hinged type PC wall according to the present invention.
5A and 5B are exploded perspective views of a PC wall and a hinge connection plate applied to a ramen bridge using the hinge-operated PC wall according to the present invention, respectively.
6 is a view showing another example of a hinge connecting plate applied to a ramen bridge using a hinge-acting PC wall according to the present invention.
7 is a view showing a slab of a ramen bridge using a hinged type PC wall according to the present invention.
8 is a perspective view of first and second beams applied to a ramen bridge using a hinge-acting PC wall according to the present invention.
Fig. 9 is a view showing the construction of a ramen bridge using a hinge-acting PC wall according to the present invention.
10 is a view showing a construction process of a slab applied to a raymond bridge using a hinged type PC wall according to the present invention.

As shown in FIG. 4, the raymen bridge using the hinge-acting PC wall according to the present invention comprises a concrete foundation 10 to be installed at a place spaced apart from each other by a predetermined distance, A PC wall 30 fixed to the hinge connecting plate 20 and a slab 40 constructed using the PC wall 30 as a point.

The concrete foundation 10 is installed by in-situ casting and is put in place so as to be integrated with the hinge connection plate 20.

The concrete foundation 10 is applied on the foundation layer 1 by casting abandoned concrete.

4 and 5A, the hinge connection plate 20 is installed on the concrete base 10 and supports the PC wall 30 so as to enable hinge movement. For this purpose, the hinge connection plate 20 is formed in a flat plate shape, A wall fitting portion 21 is formed. The wall fitting portion 21 is formed between a pair of first and second shear keys 22, 23 protruding upward with a predetermined space therebetween. The first and second shear keys 22 and 23 support the PC wall 30. At this time, the second shear keys 23 on the inside (construction condition reference) are formed to be shorter than the first shear keys 22 so as to match the structure of the PC wall 30, and the PC wall 30 is inserted into the wall fitting portion 21 And the second shear-type key 23 is installed.

As another example, a curved protrusion 25 may be provided on the side surface of the second shear key 23 to facilitate the rotation of the PC wall 30, as shown in FIG. 5B.

The hinge connection plate 20 should be fixed to the concrete base 10 and may be formed at the bottom of the concrete foundation 10 by, for example, forming a support base 24 at the bottom and burying the support base 24 in the concrete foundation 10. Respectively.

In this way, the support base 24 is embedded in the concrete foundation 10 and integrally combined with the concrete foundation 10, thereby firmly installing the hinge connection plate 20.

The support base 24 may be formed at various positions on the bottom of the hinge connection plate 20, such as at two positions on both sides.

The support base 24 is integrally formed with the hinge connection plate 20 and a steel support base 24-1 (see FIG. 6) fixed to the hinge connection plate 20 through an anchor or the like. The steel support 24-1 may be an H beam, an I beam, a reinforcing bar, or the like. Further, in the case of the steel-type support table 24-1, the height of the wall-fitted portion 21 can be adjusted.

The PC wall 30 includes a slab supporting portion 31 for supporting the slab 40 at the bottom portion thereof, a side wall 32 extending downwardly at the bottom portion of the slab supporting portion 31 and a back wall 33, The front and rear walls of the hinge connection plate 20 are inserted into the wall insertion portions 21 between the shear keys 22 and 23 of the hinge connection plate 20, The shear key 23 is wrapped around and fixed.

5B, a curved recess 36 may be provided at the lower end of the side wall 32 of the PC wall 30 to facilitate rotation of the PC wall 30, And may be seated on the curved protrusion 25.

The filler portion 35 corresponds to the backfill portion based on the construction state, and thus the backfill material is filled in the filling portion 35, so that the PC wall 30 and the backfill portion are more tightly connected.

The hinge connection plate 20 and the PC wall 30 may be installed only one by one, respectively, so as to take charge of the lower part of the ramen bridge, or two or more of them may be arranged in a row and take charge of the lower part of the ramen bridge.

As shown in Figs. 4 and 7, the slab 40 includes a plurality of girders 41 arranged in the longitudinal direction, first and second cross beams 42 and 43 of steel installed between the girders 41, An upper slab 44 installed on the slab 40, and a handrail 45 installed on both sides of the slab 40 in the width direction.

The girder 41 is composed of an upper horizontal portion, a vertical portion formed at the bottom of the upper horizontal portion, and a lower horizontal portion formed at a lower end portion of the vertical portion, for example, smaller than the upper horizontal portion.

The first and second cross beams 42 and 43 are secured by securing a square tube, a beam, and a circular tube so that they are secure against shearing and buckling in all directions. For example, ) 42a and a joining plate 42b which are respectively coupled to both longitudinal sides of each of the tubes 42a so as to be embedded in the direction of transversely inserting the girder 41 The two side beams 43 are composed of a circular tube 43a and a joint plate 43b which is coupled to both sides of the circular tube 43a in the longitudinal direction of the circular tube 43a and are interposed between the first cross beams 42 to form joint plates 42b and 43b To the first cross beam 42 by assembly of the first cross beam 42.

The railing 45 is installed through a girder 46 for railing foundation. The railing foundation girders 46 are disposed on both sides of the girders 41 in the widthwise direction of the girders 41 and assembled with the girders 41 to serve as a girder 41. The railing foundation bases 46a ).

As shown in FIG. 9, the method of constructing the ramen bridge using the hinge-acting PC wall according to the present invention is as follows.

1. Construction of foundation.

The foundation is laid and concrete is laid on the ground to construct the foundation layer (1).

2. Install the hinge connector plate.

A hinge connection plate (20) is provided on the base layer (1). The support 24 of the hinge connection plate 20 is placed on the base layer 1 at the bottom and the wall fit portion 21 is disposed at a certain height from the foundation layer 1.

3. Construction of concrete foundation.

The concrete is installed in the lower periphery of the hinge connection plate 20 and the concrete is installed in the formwork to construct the concrete base 10.

The support 24 of the hinge connection plate 20 is embedded in the concrete base 10 so that the hinge connection plate 20 is fixed to the concrete base 10 and the wall fitting portion 20 of the hinge connection plate 20 21 are exposed to the top of the concrete foundation 10.

4. Install the PC wall.

The bottom portion of the PC wall 30 is fitted to the wall fitting portion 21 of the hinge connecting plate 20 and the bottom portion of the PC wall 30 is connected to the first and second shear keys 22, And is inserted into the wall fitting portion 21 to be installed.

5. Construction of slabs.

The slab 40 is constructed as follows, with the PC wall 30 as a point between the PC walls 30.

As shown in Fig. 10, the girder 41 is provided with the PC wall 30 as a fulcrum, and girders 46 for railing foundation are provided on both sides in the width direction.

And a second beam 43 is connected between the girders 41 and the first beams 42 buried in the lateral direction at the bottom of the balustrade foundation girder 46. [

The upper slab (44) is placed on the girder (41) by concrete pouring. In this process, the right angle portion between the PC wall 30 and the slab 40 is integrated.

And a handrail 45 is provided on the railing base 46a of the girder 46 for railing foundation.

6. Backfilling.

Back of the PC wall 30 is rearranged. In this case, since the backfill is filled in the filling portion of the PC wall 30, the PC wall 30 is connected to the backfill portion to secure safety.

1: foundation layer, 10: concrete foundation part
20: hinge connection plate, 21: wall fitting portion
22, 23: first and second shear keys, 24:
24-1: Steel type support, 30: PC wall
31: slab support, 32: side wall
33, 34: front and rear walls, 35:
40: slab, 41: girder
42, 43: first and second side beams, 44: upper slab
45: railings, 46: girders for balustrades

Claims (13)

A concrete foundation part 10, which is installed at a place where they are spaced apart from each other by a predetermined distance;
A hinge connection plate (20) fixed to the base of the concrete structure;
A PC wall body 30 in which a lower portion is fitted to the wall fitting portion of the hinge connection plate, respectively;
A plurality of girders 41 arranged in the longitudinal direction, an upper slab 44 installed on the girder, and a beam formed between the girders, and slabs 40 ),
Wherein the hinge connection plate comprises a support at the bottom, and the support is embedded in the foundation layer by the abandoned concrete while being embedded at the time of pouring the concrete foundation. delete [2] The hinge connection plate of claim 1, wherein the hinge connection plate is integrally formed with the hinge connection plate, or separately formed and then attached to the hinge connection plate. The hinge connection plate according to claim 1 or 3, wherein the hinge connection plate has a pair of shear keys protruding from the shear keys at predetermined intervals,
Wherein the PC wall comprises a slab support for supporting the slab, a sidewall extending downwardly at the bottom of the slab support, and front and rear walls, the sidewall being sandwiched between the shear keys of the hinge connection plate, Wherein the hinged-type PC wall is enclosed and fixed. [5] The hood according to claim 4, further comprising a curved protrusion protruding from the upper portion of the hinge connection plate, and a curved recess formed at a lower end of the side wall of the PC wall and coupled to the curved protrusion to facilitate rotation of the PC wall A ramen bridge using a hinged type PC wall. [4] The ramen bridge as claimed in claim 4, wherein the PC wall is provided with a filler portion filled with a backfill by the side wall and the front and rear walls. [6] The slab according to claim 4, wherein the slab comprises a first cross beam fixed in a direction transverse to the girder, and a second cross beam interposed between the first cross beams and connected to the first cross beam Ramen bridge using hinged type PC wall. [7] The ramen bridge as claimed in claim 7, wherein the first and second transverse beams are formed of any one of a square tube, a beam, and a circular tube. The balustrade for balustrade according to claim 4, further comprising a balustrade foundation girder (46) which is integrally formed with the railing foundation (46a) which is respectively coupled to both the left and right sides of the girder and protruded to the upper part of the upper slab, Wherein the hinge is provided on the base of the railing of the girder. delete A first step of installing a foundation layer by placing abandoned concrete on a surface of a concrete foundation;
A second step of installing a hinge connection plate having a wall fitting part by a shear key on an upper surface of the foundation layer applied through the first step;
A third step of installing a concrete in a periphery of the hinge connection plate and casting concrete in the formwork to construct a concrete base part so that the wall fitting part of the hinge connection plate is exposed to the upper part;
The PC wall is installed on the wall fitting portion of the hinge connection plate integrally synthesized with the concrete base through the third step, and the bottom of the PC wall surrounds the shear key of the hinge connection plate and is fitted into the wall fitting portion A fourth step of constructing;
And a fifth step of installing a slab between the PC walls installed through the fourth step with the PC wall as a point,
Wherein the hinge connection plate is provided with a support at the bottom of the hinge connection plate so that the support is supported by the base layer of the abandoned concrete and is embedded at the time of pouring the concrete base. [12] The method of claim 11, wherein the fifth step includes a step 5-1 of installing a girder with the PC wall as a point, a step 5-2 of constructing an upper slab on the girder, And a fifth step of installing a railing on a railing base protruding upward from the upper slab. [12] The method of claim 12, wherein in step 5-1, a crossbeam is installed between the girders after the girder is installed, a first crossbeam is installed in a direction transverse to the girder, And a second cross beam is installed on the hinge-type PC wall.
KR1020140079237A 2014-06-26 2014-06-26 Rahmen using hinge type pc wall and method for constructing the same KR101638093B1 (en)

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KR101721901B1 (en) 2016-12-08 2017-04-03 (주)아이오컨스텍 Wall-base connection structure with multi-direction shear connector and rahmen bridge using the same

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CN106400686A (en) * 2016-04-27 2017-02-15 北京城建道桥建设集团有限公司 Embedded part suspension bracket and construction method thereof
KR101971267B1 (en) * 2016-08-05 2019-08-27 최승희 Precast mountain type rahmen structure and method for constructing this same
CN112051048B (en) * 2020-09-07 2022-03-08 哈尔滨工业大学 Hollow slab bridge hinge joint rapid evaluation method based on action of power of moving vehicle
KR102249063B1 (en) * 2020-10-16 2021-05-07 (주)신승이앤씨 Prestressed concrete beam bridge improving load carrying coherence of end beam and durability using anchor plate and construction method thereof
CN115127512B (en) * 2022-07-18 2024-02-13 河海大学 Rapid hinge joint damage detection method and system

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KR101146758B1 (en) * 2011-03-03 2012-05-17 안창일 Rahmen structure using lateral strut member

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KR101107729B1 (en) * 2009-04-14 2012-01-20 (주)유니트엔지니어링 Rahmen structure construction method
KR101260863B1 (en) 2010-12-21 2013-05-06 최승희 Rhamen bridge having prestressed concrete girder of arch-shaped and construction method thereof

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Publication number Priority date Publication date Assignee Title
KR101146758B1 (en) * 2011-03-03 2012-05-17 안창일 Rahmen structure using lateral strut member

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101721901B1 (en) 2016-12-08 2017-04-03 (주)아이오컨스텍 Wall-base connection structure with multi-direction shear connector and rahmen bridge using the same

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