KR20160006859A - Expansion path of road - Google Patents

Abstract

Provided in the present invention is a footbridge for extending a road. According to the present invention, in a footbridge to extend the width of a road, the footbridge for extending a road comprises: a plurality of supporting members arranged at intervals, of which one end is fixated to a slope of a road and has a closed cross section; a plurality of horizontal members which are disposed in the upper side of the supporting members to meet the longitudinal direction of the supporting members at right angles, wherein at least one opening part to allow a nut member to be inserted is penetrated one surface of the horizontal members to be fixated while coming in surface-contact with the upper surface of the supporting members; and at least one bottom plate disposed on the upper surface of the horizontal member to cross the horizontal member.

Description

Expansion path of road

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bridge for extending a road, and more particularly, to a bridge for supporting a road by supporting a bottom plate through a support member having a closed end face, thereby improving torsional ability by eccentric load, And is capable of reducing construction costs.

Generally, in the case of a bank road on which a vehicle runs, the width of the road is very narrow and there is no separate walkway. In case of a pedestrian walking on a bank road, the road is always exposed to a traffic accident.

Accordingly, there is disclosed a technique of extending a walkway to a road with a narrow road width, such as a banking road, so as to extend a road width so as to secure a walkway in order to protect pedestrians from the risk of a traffic accident.

Korean Patent Laid-Open Publication No. 10-2014-0040982 discloses a cantilever-type expanding type sidewalk and bicycle road capable of extending a width of a narrow road to secure a walkway.

That is, in the conventional expanding sidewalk, the end portion of the extension frame for extending the width of the road is fixedly installed, and the cover is fixed to the upper portion of the extension frame to form the sidewalk.

However, since the conventional extended-type sidewalk is provided with the I-beam and is fixed to the side of the road, the bracket supporting the cover may be bent without being able to withstand torsion due to eccentric load, There is a problem that the basic load-bearing capacity is reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a buckling structure for a buckling bucket, which can support a bottom plate through a support member having a closed end face, And to provide a road bridge for road expansion that can reduce construction costs.

In order to achieve the above object, according to one aspect of the present invention, there is provided a bridge for extending the width of a road, comprising: a support member having one end fixed to a surface of a road; a plurality of spaced- At least one support member disposed on the upper side of the support member so as to be orthogonal to the longitudinal direction of the support member and adapted to be inserted into the nut member so that the lower surface thereof can be fixed while being in contact with the upper surface of the support member through the bolt member A plurality of horizontal members through which openings are formed on one surface; And at least one bottom plate disposed on an upper surface of the horizontal member so as to intersect with the horizontal member.

At this time, one end of the support member is provided with a plate-like coupling flange extending outward along the rim, and is fixed to a surface of the road through a fastening bolt, and the coupling flange includes a plurality of fastening holes for inserting the fastening bolt The plurality of fastening holes may include a first fastening hole formed at a higher position than an upper surface of the support member and a second fastening hole formed at a position lower than a central axis of the support member.

At this time, the number of fastening bolts fastened to the first fastening hole may be greater than the number of fastening bolts fastened to the second fastening hole.

At this time, the support member may be provided such that the upper surface has a wider area than the lower surface.

At this time, the opening may be formed at a position where the opening is formed through the lower surface of the horizontal member and is in contact with the supporting member.

At this time, the opening may be formed in an area corresponding to a position where the bolt member is fastened to the upper surface of the horizontal member.

At this time, the free end of the support member may be provided with a closing member for closing the open end.

At this time, the closing member may be provided as a 'C' shaped channel or a 'C' shaped channel.

At this time, the plurality of support members can be sealed at the end that is opened at the same time through one closing member.

At this time, a railing for preventing fall may be provided on the free end side of the support member.

At this time, the railing may be provided with a plurality of vertical members, the lower side of which is fixed to the free end of the supporting member through a coupling portion, and at least one of the horizontal members, which connects the plurality of vertical portions.

At this time, the engaging portion is disposed on the outer side of the closing member and is provided as a 'C' -shaped channel or a '-shaped channel so as to cover the closing member, and through the at least one fastening bolt, Can be simultaneously fixed to the free end of the member.

At this time, the coupling portion is provided in the 'C' -shaped channel or the '-shaped' channel so as to cover the open end of the support member and is disposed inside the closure member, and through the at least one fastening bolt, The engaging portion can be simultaneously fixed to the free end of the supporting member.

According to the present invention, since the bottom plate is supported through the support member having the closed end face, there is an advantage that the twisting ability by the eccentric load can be improved and the basic load-bearing capacity can be increased.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall perspective view of a road bridge for road extension according to an embodiment of the present invention; FIG.
2 is a bottom perspective view illustrating a road bridge for road extension according to an embodiment of the present invention.
3 is an exploded perspective view illustrating a road bridge for road extension according to an embodiment of the present invention.
4 is a view showing a coupling relationship between a support member and a horizontal member in a road bridge for a road extension according to an embodiment of the present invention.
5 is a view showing a coupling relation between a rail and a support member in a road bridge for a road extension according to an embodiment of the present invention.
6 is a cross-sectional view showing a fixed end of a support member in a road bridge for a road extension according to an embodiment of the present invention.
7 is a view showing various shapes of a support member in a bridge for a road extension according to an embodiment of the present invention.
FIG. 8 is a plan view showing a state in which a roadway extension bridge according to an embodiment of the present invention is installed on a curved surface. FIG.
9 is an overall perspective view showing a road bridge for road extension according to another embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 to 9, a supporting member 110 for supporting a bottom plate 130 is installed on a curved surface C of a road, (C) and a closed end face of the road, thereby securing the stability of the support member and improving the economical efficiency and the workability.

The pedestrian bridges 100 and 200 according to the preferred embodiment of the present invention include a support member 110, horizontal members 120 and 220, and a bottom plate 130.

The support member 110 is made of a hollow member having a constant length such as a pipe or a steel pipe.

A plurality of such support members 110 are disposed at regular intervals from each other and are provided with members having closed ends of various shapes such as a triangular section, a square section or a trapezoid section as shown in FIG.

Accordingly, by using the support member 110 having a closed end surface different from the conventional one using the 'I' shape as the support member, the load-bearing capacity and the rigidity are increased, and the number of the installation can be reduced.

In addition, since the fixed end is fixed to the mounting surface with the closed end surface structure, it is possible to improve the torsional ability due to the eccentric load.

Here, although the support member is shown as having a triangular cross-section, a square cross-section, or a trapezoidal cross-sectional shape in the drawings, it is to be understood that various shapes having a closed end surface can be used.

The supporting member 110 is fixed to a mounting surface such as a curved surface of a road via a plate-like coupling flange 112 extending outward along a rim at one end.

That is, a plurality of fastening holes are formed in the coupling flange 112 to be fixed to the mounting surface through fastening bolts 114.

At this time, the fastening hole is formed by a first fastening hole formed at a higher position than the upper surface of the support member 110 and a second fastening hole formed at a position lower than the center axis O of the support member 110 Respectively.

Here, the first fastening holes and the second fastening holes which are adjacent to each other are arranged on the horizontal line along the width direction of the engagement flange 112. That is, the plurality of fastening holes are arranged on the upper and lower sides of the support member 110 along the width direction of the support member 110, respectively.

Accordingly, the pulling resistance of the fastening bolts 114a and 114b due to the moment generated when the load is applied downward from the upper side of the support member 110 can be increased.

6, the total number of the fastening bolts 114a fastened to the first fastening hole is greater than the total number of the fastening bolts 114b fastened to the second fastening hole, Respectively.

This is to increase the number of the fastening bolts 114a provided on the upper side which receives the direct pulling force by the load acting on the upper side, thereby more effectively increasing the anchor pulling resistance due to the generated moment.

7, the support member 110 may be formed to have the same cross-sectional area as a whole along the longitudinal direction (FIG. 7D) or may be formed so that the cross-sectional area gradually decreases from one end to the other end (Figs. 7A and 7B) In addition, as shown in Fig. 7C, some of them are provided to have the same cross-sectional area, and some of them may be provided so that the cross-sectional area thereof is gradually decreased.

In this case, when the support member 110 is provided so as to gradually decrease in cross-sectional area, the end portion having a relatively wide cross-sectional area is fixed to the mounting surface, so that the resistance against the moment due to the load applied at the upper portion and the resistance against the shearing force do.

In addition, when the supporting member 110 is provided so as to gradually decrease in cross-sectional area, the upper surface is provided with a horizontal surface and the lower surface is provided with an inclined surface and a curved surface, so that the horizontal members 120, 130 can be easily installed.

Meanwhile, since the upper surface of the support member 110 is formed to have a relatively larger area than the lower surface, even if a smaller number of the support members 110 are used than in the curved surface as shown in FIG. 8, So that the effect of narrowing the gap between the support members 110 can be obtained.

The horizontal members 120 and 220 are provided on the upper side of the support member 110 so as to be perpendicular to the longitudinal direction of the support member 110 for installing the bottom plate 130 disposed on the uppermost side. The horizontal members 120 and 220 are provided in the form of a pipe or a steel pipe having a predetermined length so that a plurality of the horizontal members 120 and 220 are disposed adjacent to each other.

The lower surfaces of the horizontal members 120 and 220 are fixed to the upper surface of the support member 110 in an interviewed state via the bolt member 123.

At least one through hole 121 is formed in the lower surface of the horizontal member 120 to allow the bolt member 123 to pass therethrough. The horizontal member 120 provided at the closed end face is provided with an opening 122a for inserting the nut member 124 for fixing the end portion of the bolt member 123 into the horizontal member 120.

That is, by fastening the bolt member 123 from the outside of the horizontal member 120 while the nut member 124 is assembled in the horizontal member 120 at a position corresponding to the through hole 121, The horizontal member 120 is fixed to the upper surface of the support member 110.

At this time, the nut member 124 may be fixed to the inner surface of the horizontal member 120 through welding or the like, or may be temporarily fixed through a separate auxiliary member 125 as shown in FIG. 4B.

The auxiliary member 125 includes a receiving groove 125a for receiving the nut member 124 on one side and a lower surface contacting the inner surface of the horizontal member 120. At least one magnet member (125b) is buried and fixed to the inner surface of the horizontal member (120) by using a magnetic force.

The operator inserts the nut member 124 into the through hole 121 through the opening 122a and then fastens the bolt member 123 on the side of the through hole 121 from the outside, And the nut member 124 disposed in the inside of the housing 120.

4A and 4B, the opening 122a is formed to have a predetermined area so as to be positioned around the through hole 121 on the lower surface of the horizontal member 120. As shown in FIG.

The opening 122a may be formed in a region corresponding to the upper surface of the supporting member 110 so that the opening 122a may be formed on the upper surface of the supporting member 110 when the supporting member 110 is engaged with the supporting member 110. [ Thereby preventing exposure to the outside.

The operator inserts the nut member 124 into the horizontal member 120 through the opening 122a and fixes the nut member 124 to the side of the through hole 121 through welding or the auxiliary member 125 The horizontal members 120 and 220 can be fixed to the upper surface of the supporting member 110 through the bolt member 123. [

The opening 122b may have a predetermined area on the upper surface of the horizontal member 220 as shown in FIG. 4C. In this case, the opening 122b is provided at an upper portion corresponding to the through hole 121. [ Accordingly, the operator inserts the nut member 124 through the opening 122b, places the nut member 124 on the side of the through hole 121, and does not need to tighten the nut member 124, The bolt member 123 can be fastened through the nut member 124 by inserting the bolt member 123.

The bottom plate 130 is disposed on the upper side of the horizontal members 120 and 220 to form a road through which people, bicycles, etc. can pass. The bottom plate 130 is made of a plate-like member having a predetermined area and is fixed to the upper side of the horizontal members 120 and 220.

Here, the bottom plates 130 may be provided in a plurality of, adjacent to each other, or may be formed of one member. In addition, when a plurality of sealing members are arranged adjacent to each other, a separate sealing member such as silicone may be provided on the boundary line to prevent rainwater, sewage, etc. from falling downward.

On the other hand, on the free end side of the support member 110, a closing member 140 for closing the opened end portion may be provided.

The closing member 140 may be provided as a channel having a "C" shape or a "B" shape so as to surround the upper surface, the lower surface, and the open end of the support member 110.

At this time, the closure member 140 may be individually provided at the free end of the support member 110, but the free ends of the plurality of support members 110 may be closed at the same time through one closure member having a predetermined length Respectively.

The plurality of support members 110, one end of which is fixed to the mounting surface, are connected to the plurality of support members 110 through the bottom plate 130 by connecting the free ends of the support members 110 through the one closing member 140, Even if other loads are applied, the load is shared so that the same level can always be maintained.

Here, the free end of the support member 110 is shown as being opened, but the present invention is not limited thereto. The support member 110 may have a free end in a closed state, Lt; RTI ID = 0.0 > 110 < / RTI >

Meanwhile, a railing 150 may be provided on a free end side of the support member 110 to protect a passer who passes through the bottom plate 130. [ The handrail 150 is provided with a plurality of vertical members 152 coupled to the free end of the support member 110 and at least one crossbar 154 connecting the plurality of vertical members 152 .

At this time, the lower end of the vertical member 152 is coupled to the free end side of the support member 110 via a coupling part 153. The coupling portion 153 is provided in a C-shaped or A-shaped channel and is engaged with the free end of the supporting member 110 in the same manner as the closing member 140.

1, the engaging portion 153 is disposed outside the closing member 140 for connecting the free ends of the plurality of supporting members 110 to surround the closing member 140 And can be fixed at the same time through at least one fastening bolt 155 passing through the supporting member 110 and the closing member 140 at the same time. The plurality of fastening bolts 155 may be provided to increase the fastening force.

9, the engaging part 153 may be directly coupled to the free end side of the support member 110. In this case, That is, the engaging portion 153 provided in the 'C' shape or the 'A' shape channel may be disposed inside the closure member 140 and directly coupled to the free end side of the support member 110. In this case, the closing member 140 may include at least one member that simultaneously passes through the supporting member 110 and the closing member 140 while being arranged to surround the free end of the coupling unit 153 or the supporting member 110 The fastening bolts 155 are fastened together. The plurality of fastening bolts 155 may be provided to increase the fastening force. Accordingly, the engaging portion 153 is prevented from being exposed to the outside by the closing member 140.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be understood by those skilled in the art that it is readily known.

100,200: Footbridge for road extension
110: support member 112: engagement flange
114a, 114b: fastening bolts 120, 220:
121: Through holes 122a, 122b:
123: bolt member 124: nut member
125: auxiliary member 125a: receiving groove
125b: magnet member 130: bottom plate
140: Closing member 150: Railing
152: vertical member 153:
154: cross bar 155: fastening bolt

Claims (13)

In a footbridge to expand the width of the road,
A support member having one end fixed to the flat surface of the road and a plurality of spaced apart and having a closed end surface;
At least one support member disposed on the upper side of the support member so as to be orthogonal to the longitudinal direction of the support member and adapted to be inserted into the nut member so that the lower surface thereof can be fixed while being in contact with the upper surface of the support member through the bolt member A plurality of horizontal members through which openings are formed on one surface; And
And at least one bottom plate disposed on an upper surface of the horizontal member so as to intersect with the horizontal member. The method according to claim 1,
One end of the support member is provided with a plate-like coupling flange extending outward along a rim and is fixed to a surface of the road through a fastening bolt, and the coupling flange has a plurality of fastening holes for inserting the fastening bolt Wherein the plurality of fastening holes are provided with a first fastening hole formed at a higher position than an upper surface of the support member and a second fastening hole formed at a position lower than a central axis of the support member. Forbidden Bridge. 3. The method of claim 2,
Wherein the number of fastening bolts fastened to the first fastening hole side is greater than the number of fastening bolts fastened to the second fastening hole side. The method according to claim 1,
Wherein the support member is provided such that the upper surface thereof has a wider area than the lower surface thereof. The method according to claim 1,
Wherein the opening is formed at a position to penetrate the lower surface of the horizontal member and to be in contact with the support member. The method according to claim 1,
Wherein the opening is formed in an area corresponding to a position where the bolt member is fastened to the upper surface of the horizontal member. The method according to claim 1,
Wherein the free end of the support member is provided with a closing member for closing the open end. 8. The method of claim 7,
Wherein the closing member is provided in a " C " or " A " -shaped channel. 9. The method of claim 8,
Wherein the plurality of support members are hermetically closed at the same time through the one closing member. 10. The method according to any one of claims 7 to 9,
And a rail for preventing fall is provided on a free end side of the support member. 11. The method of claim 10,
Wherein the rail is provided with a plurality of vertical members, the lower side of which is fixed to the free end of the support member via an engaging portion, and at least one transverse link connecting the plurality of vertical portions. 12. The method of claim 11,
The coupling part is provided on the outer side of the closing member and is provided in a 'C' or 'A' shape so as to cover the closing member, and the closing member and the engaging part can be separated from each other by the free And is fixed to the end portion of the foot bridge at the same time. 13. The method of claim 12,
The coupling part is disposed in the inside of the closing member and is provided in a 'C' shape or a 'shape channel so as to cover the open end of the supporting member, and the closing member and the coupling part And is fixed to the free end of the support member at the same time.

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