KR101682511B1 - Increased cantilever beams and upward moment and adhesion using the same footbridge - Google Patents

Increased cantilever beams and upward moment and adhesion using the same footbridge Download PDF

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Publication number
KR101682511B1
KR101682511B1 KR1020160040148A KR20160040148A KR101682511B1 KR 101682511 B1 KR101682511 B1 KR 101682511B1 KR 1020160040148 A KR1020160040148 A KR 1020160040148A KR 20160040148 A KR20160040148 A KR 20160040148A KR 101682511 B1 KR101682511 B1 KR 101682511B1
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South Korea
Prior art keywords
deformed
vertical plate
welded
support assembly
bridge
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KR1020160040148A
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Korean (ko)
Inventor
이용호
최재홍
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성연건설엔지니어링 주식회사
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Priority to KR1020160040148A priority Critical patent/KR101682511B1/en
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Publication of KR101682511B1 publication Critical patent/KR101682511B1/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
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E01C1/002—Design or lay-out of roads, e.g. street systems, cross-sections ; Design for noise abatement, e.g. sunken road
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D1/00—Bridges in general
    • 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
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/103—Parapets, railings ; Guard barriers or road-bridges

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

Abstract

The present invention relates to a beam having increased stiffness at a stiffener and a bridge structure using the same, the side vertical plate being vertically mounted on a side of a viewing bridge in which the stiffness of the stiffener is increased; A support assembly having a predetermined height and width and mounted to the side vertical plate; And a deformable member welded at one side to the lower portion of the support assembly and welded to the opposite side to the side vertical plate to provide an upward moment and an attaching force.
According to the present invention, it is possible to mount a deformation member at a portion where a side of a bridge and a support assembly are connected to increase the rigidity by the adhesive force in the direction of the bridge and to constrain the tensile force by welding the support assembly and the deformation member. There is an advantageous effect that the momentum generated in the connecting portion of the supporting assembly can be reduced.

Description

Increased cantilever beams and upward moment and adhesion using the same footbridge

The present invention relates to a beam which is installed for a bicycle passage, a sidewalk, or a walk and has a stiffness at a stiffening point, which is capable of reducing a bending moment at a bifurcated portion, and which generates an upward moment.

Generally, a bridge for both sides of a bridge or a bridge for a walk on a lake or a river is equipped with a cantilever girder for passengers or bicycles with less load.

At this time, when the cantilever girder is to be connected to the rail part of the bridge, an anchor is used.

However, since there is a large amount of parentheses in the connecting portion between the cantilevered girder and the bridge railing, it is necessary not only to install the reinforcement separately but also to form a long web of the I-type girder.

In addition, the thickness of the I-shaped cantilever girder has to be increased to increase the cost.

Korean Patent Laid-Open Publication No. 2015-0078249 Korean Patent Publication No. 2013-0082052

SUMMARY OF THE INVENTION The present invention has been conceived in order to solve the above-mentioned problems, and it is an object of the present invention to provide a tie-shaped member, which is provided with a deformable member and a tie- Thereby reducing the number of moments generated in the connecting portion of the supporting assembly.

Also, it is possible to maintain a function while supporting a deforming member that provides an upward moment and an attaching force to a portion where the side of the bridge and the supporting assembly are connected through the auxiliary deforming member mounted on the lower portion of the deforming member, .

In order to achieve the above object, the present invention provides a side vertical plate vertically mounted on a side surface of a viewing bridge in which a stiffness of a branch is increased; A support assembly having a predetermined height and width and mounted to the side vertical plate; And a deformable member welded at one side to the lower portion of the support assembly and welded to the opposite side to the side vertical plate to provide an upward moment and an attaching force.

And the support assembly includes: an upper flange mounted in a horizontal direction; A wave mounted in the lower portion of the upper flange in the longitudinal direction and having a bottom surface formed obliquely; A lower flange formed to be shorter than a length of an upper flange mounted on a lower portion of the wave; And a side finishing plate for finishing the upper and lower flanges and the wave positioned on the opposite side of the side vertical plate.

The deformable member may have a curved shape, and a deformed curved portion may be formed at one end of the deformable curved portion welded to the side vertical plate. The deformed curved portion may have an inclined deformed portion that is welded to the lower portion of the lower flange.

Here, the auxiliary deforming member may be mounted on the lower portion of the deformable member with the auxiliary inclined portion welded to the deformed inclined portion, and the auxiliary curved portion integrally formed with the auxiliary curved surface portion welded to a part of the deformed curved portion.

Further, an inner supporting member may be further mounted on an inner surface of the deformed curved surface portion of the deformable member and a lower portion of the lower flange.

After the deformed curved surface portion connected to the deformed curved portion is pressed by the curved surface rod of the hydraulic cylinder and the deformed curved portion is welded to the supporting assembly, It can be mounted through a process of removing the hydraulic cylinder.

Also, a Tee member having a "T" shape may be mounted on the upper flange of the support assembly on the vertical line of the side vertical plate.

Another feature of the present invention, that the bridge using the beam with increased stiffness at the stiffener is a stiffener with increased stiffness at the stiffener; A plurality of deck profiles mounted on the upper portion of the beam where the stiffness of the stiffener is increased at intervals in the longitudinal direction; A deck plate coupled to the top of the deck profile; And a railing mounted on an upper end of the beam whose fulcrum rigidity is increased.

Further, a railing support which supports the deck plate and the deck plate located at the outermost side of the rail and which is fixedly coupled through bolts and nuts, have.

According to the present invention, a deformable member and a T-shaped member, which provide an upward moment and an increase in stiffness and an adhesive force, are attached to the side of the bridge and the support assembly, It is possible to reduce the moment caused by the connection portion of the support assembly coupled with the side of the bridge.

Further, the auxiliary deformable member mounted on the lower portion of the deformable member, the hydraulic cylinder, and the support member can maintain the function while supporting the deformable member that provides the upward moment and the adhesive force to the portion where the side of the bridge and the support assembly are connected .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a beam with increased stiffness according to the present invention; FIG.
FIG. 2 is an exploded perspective view showing a beam with increased stiffness at the fulcrum according to the present invention. FIG.
3 is a front view showing a beam with increased stiffness at the stiffener according to the present invention.
FIGS. 4 and 5 are views showing an installation state of a beam with increased stiffness at a fulcrum according to the present invention; FIG.
6 is a view showing an installation process of a deformation member constituting a beam with increased stiffness at a stiffener according to the present invention.
FIG. 7 is a schematic view showing a process of installing a lateral vertical plate constituting a beam with increased stiffness at a fulcrum according to the present invention; FIG.
8 and 9 are a perspective view and a front view showing a foot bridge using a beam with increased stiffness according to the present invention.
10 and 11 are views showing another embodiment using a beam with increased stiffness of a stiffener according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like parts are designated with like reference numerals throughout the specification.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a beam with increased stiffness according to the present invention, FIG. 2 is a view And FIG. 3 is a front view showing a beam with increased stiffness according to the present invention. FIGS. 4 and 5 are views showing an installation state of a beam with increased stiffness at a stiffener according to the present invention, FIG. 5 is a view showing a process of installing a deformable member constituting a beam whose stiffness is increased according to the present invention;

The beam 10 of which the fulcrum rigidity of the present invention is increased is made up of the side vertical plate 20, the support assembly 30, the deformable member 40, the auxiliary deformable member 50 and the inner support member 60.

The side vertical plates 20 are mounted on the side surface of the bridge 1 with a gap therebetween to fix the support assembly 30 and the deformable member 40.

The side vertical plate 20 is formed of a metal plate having a predetermined thickness and size, and a plate coupling hole 21 is formed at an interval therebetween such that an anchor bolt or the like can be coupled with an interval.

In other words, the side vertical plates 20 can be fastened to the side of the bridge 1 by fastening the plate coupling holes 21 formed at intervals.

The support assembly 30 has a predetermined height and width and is mounted on the side vertical plate 20. [

The support assembly 30 includes an upper flange 31 mounted in the horizontal direction and a wave 32 mounted longitudinally at the lower portion of the upper flange 31 and having an inclined bottom surface, A lower flange 33 formed to be shorter than the length of the upper flange 31 mounted on the lower portion of the side plate 20 and upper and lower flanges 31 and 33 and the wave 32 positioned on the opposite side of the side plate 20. [ And a side end finishing plate 34 that finishes.

That is, the support assembly 30 is welded to the lower portion of the upper flange 31, which is horizontally mounted, with a wave 32 formed to be inclined at the bottom, and then the lower flange 33 is welded to the lower portion of the wave 32 And the side finishing plate 34 is welded to the ends of the upper flange 31 and the wave 32 and the lower flange 33. [

At this time, it is effective that the widths of the upper flange 31 and the lower flange 33 are formed to have the same thickness and width for smooth assembly.

The upper flange 31 is formed to be longer than the lower flange 33 in order to increase the coupling force of the support assembly 30 by fixing the bridge 1 to the upper portion through a fastener.

Next, a tee member 65 having a "T" shape in its front end face is mounted on the upper portion of the upper flange 31 constituting the support assembly 30. As shown in Fig.

The tie member 65 is mounted on the upper flange 31 of the support assembly 30 positioned on the vertical line of the side vertical plate 20 to support the load of the bridge 1 and the side vertical plate 20. [ .

At this time, the size and length of the T-shaped member 65 may vary depending on environment, purpose, and the like.

The deformable member 40 is formed by bending a metal plate having a predetermined height and width, one side welded to the side vertical plate 20 and the opposite side welded to the lower side of the support assembly 30.

The deformable member 40 is integrally formed with a deformed curved surface portion 42 formed in a curved shape and a deformed inclined portion 44 formed to be inclined at an end of the deformed curved surface portion 42.

That is, the deformable member 40 welds the deformed curved surface portion 42 to the side surface of the side vertical plate 20 and welds the deformed inclined portion 44 to the bottom surface of the lower flange 33, Thereby reducing the momentum generated at the connection portion of the support assembly 30 coupled with the support assembly 30.

The end 42a is welded to the side plate 20 so that the deformed curved surface portion 42 can be deformed while the deformable member 40 is in a compressed state, The upper surface 44a is welded to be fixed to the lower flange 33 such that the upper surface 44a is welded to the lower flange 33. After welding is completed between the side surface vertical plate 20 and the lower flange 33, So that a tensile force is generated.

In addition, the deformable member 40 provides the adhesive force of the side vertical plate 20 by the tensile force to the portion of the bridge 1 through the curved deformed curved surface portion 42, So that the upward momentum is generated in the flange 33.

Since the deformed curved surface portion 42 of the deformable member 40 can support the beam 10 whose stiffness is increased by the elastic tensile force generated when the curved surface is mounted on the deformed curved surface portion 42, Can be reduced and the installation and maintenance costs can be reduced accordingly.

In addition, the deformed curved surface portion 42 provides an upward tensile force to the upward direction, thereby providing an upward moment to the beam 10 whose stiffness is increased.

The auxiliary deformable member 50 is mounted on the lower portion of the deformable member 40 so as to maintain the compressive force together with the support of the deformable member 40.

The auxiliary deformable member 50 is welded to the deformed inclined portion 44 of the deformable member 40 by welding and the end of the auxiliary inclined portion 52 is partially welded to a portion of the deformed curved surface portion 42 And the auxiliary curved surface portion 54 welded and welded together.

That is, in the auxiliary deformable member 50, the auxiliary curved surface portion 54 formed on the inner side in a triangular shape is welded to the deformed curved surface portion 42 and the auxiliary inclined portion 52 is welded to the deformed inclined portion 44 So that the deformation of the deformation member 50 due to the portion where the load is concentrated can be prevented while maintaining the compressive force.

The inner support member 60 is mounted on the inner surface 42a of the deformed curved surface portion 42 of the deformable member 40 and the lower portion of the lower flange 33. [

At this time, the inner surface 42a of the deformed curved surface portion 42 of the deformable member 40 and the lower portion of the inner supporting member 60 are welded together.

That is, the inner support member 60 is mounted between the deformed curved surface portion 42 and the lower flange 33 to prevent deformation of the deformed curved surface portion 42, So that the compressive force can be prevented from being weakened.

Next, a bridge 100 using a beam with increased stiffness, which is another feature of the present invention, includes a beam 10 having an increased stiffness, a deck profile 200, a deck plate 300 A deck plate, a railing 400, and a railing support 500.

Here, the beam 10 having the increased stiffness at the stiffener is the same as that described above, and a detailed description thereof will be omitted.

The deck profile 200 is mounted at an upper portion of the beam 10 where the stiffness of the stiffener portion is increased in the longitudinal direction.

Herein, the deck profile 200 is not limited to the drawings, but the present invention will be described with reference to an example in which the deck profile 200 is formed into a rectangular cross section.

That is, the deck profile 200 is supported by the support assembly 30 through fasteners such as bolts and nuts, spaced apart from the upper flanges 31 of the support assembly 30 constituting the beam 10, .

The deck plate 300 is formed by joining a plate 310 formed of synthetic wood having a predetermined thickness, width, and length.

That is, the deck plate 300 is formed to be horizontally mounted on the upper part of the deck profile 200 mounted on the upper part of the support assembly 30.

At this time, the coupling part of the deck plate 300 is formed with a coupling groove on one side and a coupling protrusion on the opposite side for smooth coupling and fixing.

The handrail 400 is vertically mounted on the upper end of the beam 10 where the stiffness of the stiffener is increased.

Here, the handrail 400 is not limited to the illustrated drawings, and it is obvious that the handrail 400 is variously formed according to environment, purpose, and the like.

In the present invention, between the railing 400 and the support assembly 30, the beam 10 and the deck plate 300, which support the deck profile 200 and the deck plate 300 located at the outermost positions, A balustrade pedestal 500, which is fixedly coupled to the balustrade 400 through fasteners such as bolts and nuts, can be selectively installed.

That is, the railing support 500 prevents the railing 400 from being damaged by the deck profile 200 and the deck plate 300, and smoothly changes the railing 400 when the railing 400 mounted on the railing 400 is replaced It is.

The beam having the stiffness of the stiffened portion of the stiffener and the stiffener using the stiffener will be described with reference to FIG.

The upper flange 31 is mounted horizontally. The lower flange 31 has a wave 32 which is mounted on the lower portion of the upper flange 31 in the longitudinal direction and whose bottom surface is inclined. A plurality of support assemblies 30 consisting of a lower flange 33 formed to be shorter than the length of the flange 31 and a side finishing plate 34 closing the upper and lower flanges 31 and 33 and the wave 32, .

In addition, a side surface of the bridge 1 is formed with a metal plate having a predetermined thickness and size, and a plate coupling hole 21 is formed at an interval therebetween so that a fastener such as an anchor bolt can be coupled with an interval. And the straight plates 20 are mounted at intervals.

A deformed curved surface portion 42 formed in a curved shape on the side surface of the side surface vertical plate 20 and a bottom surface of the lower flange 33 and a deformed inclined surface 44 formed to be inclined at the end of the deformed curved surface portion 42 Are welded to each other.

The deformable member 40 includes a supporting body 72 mounted at an interval and a curved surface rod 42 mounted on the supporting body 72 and capable of pressing the deformed curved surface portion 42 of the deformable member 40. [ Is welded through a hydraulic cylinder (74) equipped with a hydraulic cylinder (76).

The support body 72 is mounted on the lower portion of the lower flange 33 and a hydraulic cylinder 74 to which a curved rod 76 is mounted is mounted on the inside of the support body 72, The deformed curved surface portion 42 connected to the deformed inclined portion 44 is connected to the curved surface rod 76 of the hydraulic cylinder 74 after welding the end of the deformed curved surface portion 42 of the hydraulic cylinder 74 to the side vertical plate 20, And then the deformed slant part 44 is welded to the support assembly 30 and then the hydraulic cylinder 74 and the support body 72 are removed.

At this time, the deformation member 40 welded to the side vertical plate 20 and the lower flange 33 increases the adhesive force of the deformed curved surface portion 42 by the tensile force to the side vertical plate 20, May provide an elastic tensile force to increase the rigidity of the support assembly 30.

In addition, since the deformed curved surface portion 42 of the deformable member 40 is curved, the impact and load transmitted through the supporting assembly 30 are absorbed and reduced.

Next, in the case of forming the bridge 100 using the beam 10 having the increased stiffness of the stiffener, the following will be described.

First, a plate coupling hole 21 is formed with a gap so that an anchor bolt or the like can be coupled with an interval therebetween by a metal plate having a predetermined thickness and size at intervals on the side surface of the bridge 1 Is mounted on the side plate (20).

Here, a method of fixing the side vertical plate 20 to the bridge 1 is as follows. After a hole is formed in the bridge 1, the inside is cleaned by brushing and blowing the hole, After filling the inside with the chemical liquid, the helical anchor bolt is rotated while pushing it, and then the side vertical plate 20 is fixed.

At this time, the anchor bolt is formed of a helical anchor bolt to increase the contact force with the chemical liquid to improve the fixing force.

An upper flange 31 mounted horizontally on the upper side of the side vertical plate 20 and the bridge 1 and a wave 32 mounted obliquely on the lower side of the upper flange 31, A lower flange 33 formed to be shorter than the length of the upper flange 31 mounted on the lower portion of the wave 32 and a side finishing 33 for finishing the upper and lower flanges 31 and 33 and the wave 32 A plurality of support assemblies 30 composed of plates 34 are assembled.

A deformed curved surface portion 42 formed in a curved shape on the side surface of the side surface vertical plate 20 and a bottom surface of the lower flange 33 and a deformed inclined surface 44 formed to be inclined at the end of the deformed curved surface portion 42 Are welded to each other.

A plurality of deck profiles 200 are formed on the upper portion of the support assembly 30, each deck profile 200 having a rectangular cross section. The deck profiles 200 have a predetermined thickness, width, and length A deck plate 300 formed by joining plates 310 formed of wood is mounted.

The deck profile 200 and the deck plate 300 that support the deck plate 300 are mounted on the uppermost end of the support assembly 30, 400, the assembly of the bridge 100 is completed using the beam whose stiffness is increased.

Here, it is found that the assembly sequence of the bridge with increased stiffness and the bridge using the beam can be configured differently from the above.

Next, the bridge 100 using the beam with the increased stiffness of the stiffener is configured such that the connection portion of the support assembly 30 coupled with the bridge 1 is formed by the deformed curved portion 42 and the deformed inclined portion 44 It is possible to support it by using the compressive force of the deformable member 40, but an upward moment is generated, thereby reducing the number of the parent men.

To describe this in more detail, the bridge 100 using the beam with the increased stiffness increases the stiffness due to the lateral stiffness of the beam 10 whose stiffness at the stiffener 10 is increased. When the upper stiff moment (+ M) (MP = M) can be reduced by the upward negative moment (-P) generated in the beam 10 where the stiffness of the stiffener is increased.

It should be noted that the present invention can be variously applied to a circular pipe (FIG. 10), a simple beam and a continuous beam (FIG.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the specific shapes and orientations, and various modifications and changes may be made by those skilled in the art. And variations are to be construed as being included within the scope of the present invention.

10: Beam with increased stiffness at the stiffener,
20: side perpendicular plate, 21: plate coupling ball,
30: support assembly, 31: upper flange,
32: wave, 33: bottom flange,
34: side finishing plate, 40: deforming member,
42: a deformed curved surface portion, 44: a deformed inclined portion,
50: auxiliary deformable member, 52: auxiliary inclined portion,
54: auxiliary curved surface portion, 60: internal supporting member,
72: support, 74: hydraulic cylinder,
100: Footbridge using beams with increased stiffness at the stiffener,
200: deck profile, 300: deck plate,
400: railing, 500: railing stand.

Claims (9)

A side vertical plate mounted perpendicular to the side of the bridge;
A support assembly having a predetermined height and width and mounted to the side vertical plate; And
And a deformable member welded to one side of the lower portion of the support assembly and the other side of the support assembly welded to the side vertical plate to provide an upward moment and an attaching force,
Wherein the deformable member has a curved shape and a deformed curved surface portion having one end welded to the side vertical plate and a deformed inclined portion welded to a lower portion of the lower flange at an opposite end of the deformed curved portion,
And an auxiliary inclined portion welded to the deformed inclined portion at the lower portion of the deformable member and an auxiliary curved portion integrally formed at the end of the auxiliary inclined portion integrally welded to the deformed curved portion,
The deformable member is formed by welding the deformed curved surface portion connected to the deformed inclined portion with the curved surface rod of the hydraulic cylinder after welding the end of the deformed curved surface portion to the side vertical plate and then welding the deformed inclined portion to the support assembly, Wherein the stepped portion is mounted through a process of removing the cylinder.
2. The assembly of claim 1,
An upper flange mounted in a horizontal direction;
A wave mounted in the lower portion of the upper flange in the longitudinal direction and having a bottom surface formed obliquely;
A lower flange formed to be shorter than a length of an upper flange mounted on a lower portion of the wave; And
And a side finishing plate for finishing the upper and lower flanges and the wave positioned on the opposite side of the side surface vertical plate. delete delete The method according to claim 1,
Wherein an inner supporting member is further mounted on an inner surface of the deformed curved surface portion of the deformable member and a lower portion of the lower flange.
delete The method according to claim 1,
Characterized in that an upper flange of a support assembly located on a vertical line of the side vertical plate is mounted with a tee member having a "T" A beam having increased stiffness at any one of claims 1, 2, 5, and 7;
A plurality of deck profiles mounted on the upper portion of the beam where the stiffness of the stiffener is increased at intervals in the longitudinal direction;
A deck plate coupled to the top of the deck profile;
And a railing mounted on an upper end of the beam where the stiffness of the stiffener is increased.
9. The method of claim 8,
And a balustrade pedestal supporting the deck plate and the deck plate positioned at the outermost position and being fixedly coupled through fasteners such as bolts and nuts, The bridge with the increased stiffness of the stiffener.
KR1020160040148A 2016-04-01 2016-04-01 Increased cantilever beams and upward moment and adhesion using the same footbridge KR101682511B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200488395Y1 (en) * 2018-07-18 2019-04-12 주식회사 삼원이피 U-bolt fixing structure
KR102122085B1 (en) * 2019-10-28 2020-06-12 (주)애니우드 A Cantilever Type Support Device and Expanded Footbridge Having the Same
KR102157889B1 (en) * 2020-01-15 2020-09-18 임철환 A Prestress Cantilever and Expanded Structure Having the Same
KR102297552B1 (en) * 2021-03-30 2021-09-03 주식회사 엠피이엔씨 Girder structure for expansion roads and method of construction of expansion roads using it
KR102303447B1 (en) * 2021-01-05 2021-09-16 이용호 Footbridge and construction method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100111580A (en) * 2009-04-07 2010-10-15 주식회사 로드맥스 엔지니어링 Sidewalk bridge having service hole
KR20130082052A (en) 2012-01-10 2013-07-18 엔플랜 주식회사 Road for extending breadth of road on slope face
KR20150078249A (en) 2013-12-30 2015-07-08 신우콘크리트산업 주식회사 a cantilever structure of bridge and cantilever construction method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100111580A (en) * 2009-04-07 2010-10-15 주식회사 로드맥스 엔지니어링 Sidewalk bridge having service hole
KR20130082052A (en) 2012-01-10 2013-07-18 엔플랜 주식회사 Road for extending breadth of road on slope face
KR20150078249A (en) 2013-12-30 2015-07-08 신우콘크리트산업 주식회사 a cantilever structure of bridge and cantilever construction method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200488395Y1 (en) * 2018-07-18 2019-04-12 주식회사 삼원이피 U-bolt fixing structure
KR102122085B1 (en) * 2019-10-28 2020-06-12 (주)애니우드 A Cantilever Type Support Device and Expanded Footbridge Having the Same
WO2021085659A1 (en) * 2019-10-28 2021-05-06 (주)애니우드 Cantilever type support apparatus for expanded footbridge
CN113056589A (en) * 2019-10-28 2021-06-29 安尼木业株式会社 Cantilever type strutting arrangement suitable for extension formula passenger footbridge
KR102157889B1 (en) * 2020-01-15 2020-09-18 임철환 A Prestress Cantilever and Expanded Structure Having the Same
KR102303447B1 (en) * 2021-01-05 2021-09-16 이용호 Footbridge and construction method
KR102297552B1 (en) * 2021-03-30 2021-09-03 주식회사 엠피이엔씨 Girder structure for expansion roads and method of construction of expansion roads using it

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