KR101185431B1 - A constructed footway for bridge - Google Patents

Abstract

PURPOSE: A temporary footway for a bridge is provided to minimize a weight by manufacturing the footway using lightweight aluminum materials and to prevent the footway from sagging by connecting the aluminum materials using wires. CONSTITUTION: A temporary footway(100) for a bridge comprises brackets(110), separable girders(120), cross beams(130), railing fixing beams(140), fall prevention railings, and decks. The brackets are continuously installed on curbstones(10) of a bridge in a longitudinal direction. The separable girders are composed of an aluminum material and are continuously coupled to the brackets. The cross beams are composed of an aluminum material and are installed on the tops of the separable girders. The railing fixing beams are composed of an aluminum material and are installed on the tops of the ends of the separable girders. The fall prevention railings are composed of an aluminum material and are coupled to the tops of the rail fixing beams. The decks are composed of a wood material and are installed on the tops of the cross beams.

Description

A constructed footway for bridge

The present invention relates to sidewalks installed in bridges, and more particularly, to a temporary construction guide for a bridge that is convenient in construction and prevents theft while reducing weight using aluminum lightweight materials.

In general, a bridge means a facility made to cross over water or a place, and is constructed by various construction methods depending on the environment, characteristics, and uses to be installed.

Currently, the bridges that are being constructed and used are composed of a plurality of bridges, decks, bridges and railings, and the bridges are provided with sidewalks for general pedestrians as well as traffic. The sidewalks installed on such bridges are not installed by a separate method, but are simply used as sidewalks by dividing the edge of the roadway for vehicle traffic, that is, the edge of the bridge deck with a railing.

In particular, walkways should be installed on bridges constructed to allow only vehicles to pass. If a separate bridge is installed for pedestrians, the bridges for walking should be separately installed. It is not currently being implemented due to over- and inefficient problems.

However, if a part of the roadway is secured as a sidewalk from the existing bridges for the sidewalk installation, the roadway width becomes as narrow as the area occupied by the sidewalks in the existing bridges. This narrowness is even more unrealistic.

Therefore, in order to solve this problem, it is hypothesized that the existing bridge will be covered. In the installation process of the bridge, the installation of the existing roadway, that is, no problems such as the area invasion to the bridge deck and the resulting decrease in the width of the roadway, and can ensure the maximum safety distance from the vehicle driving the pedestrian. In addition, since the railings are installed in duplicate, there is an effect that high safety and reliability can be obtained.

However, in the conventional hypothesis, the base plate is fixedly anchored to the curb by the anchor and the I beam bracket is installed on the base plate, and the bending moment is generated by the deflection due to the concentrated load on the railing part far from the curb. In addition to the weakening of the coupling portion of the anchor portion of the base plate and extremely extreme problem that the base plate is separated from the curb.

The present invention has been devised to solve the above problems, to make most of the structure made of aluminum to minimize the self-weight of the hypothesis delivery, connecting the wire to prevent sagging of the hypothesis delivery, frequently occurring of steel The aim is to provide a temporary construction guide for bridges, which is designed to prevent theft.

According to an aspect of the present invention,

A steel bracket in close contact with the curb top surface and the other side of the bridge and continuously installed by a chemical anchor, and having a pair of coupling plates integrally spaced apart from each other on the other side;

Aluminum material girder having a "T" shape to be inserted between the coupling plate and the upper portion is coupled in multiple stages so that the height is gradually smaller while being coupled by the bolt;

It is coupled to the end of the girder to cross, the upper surface is a railing fixing beam of aluminum material is formed on the inside of the groove is wide and narrow strip-shaped grooves;

An aluminum fall prevention railing inserted into the groove by a head of a bolt and fastened by a lock bolt to a screw part of the bolt;

A plurality of aluminum chromium beam is installed to cross on the upper surface of the girder;

Anti-vibration rubber attached on the upper surface of the crossbeams; And

It provides a temporary guide for the bridge, characterized in that it comprises a; deck is installed on the upper surface of the dust-proof rubber to the girder.

At this time, the coupling of the multi-stage girders may be coupled by a setting block including a bolt hole and the bolt holes in the abutting portion thereof, and a setting groove having a long hole shape smaller than the outer diameter of the bolt head and the same or larger than the inner diameter.

And a plurality of wires are fixed to the upper portion on the other side of the bracket, the other end of each wire may be connected to the lower end of each of the multi-stage girder.

In addition, it is preferable that the locking step is integrally formed on the upper surface of the crossbeam so that the anti-vibration rubber is not separated.

As described above, the construction of the temporary construction guide for the bridge according to the present invention makes the girder separate, and by manufacturing the separate girder and the cross beam and the handrail fixing beam from aluminum, it is possible to minimize the total weight of the construction guide.

In addition, the present invention is to restrain the head of the bolt by using the setting block of the combination girder naturally, not only easy installation work but also to prevent the bolt loosening to ensure safety.

In addition, by arranging the anti-vibration rubber between the cross beam and the deck, it is possible to ensure comfort for pedestrians passing on the deck.

In addition, it is possible to prevent theft of railings frequently generated in local cities by using lock bolts when installing a fall prevention railing.

1 is a view showing the hypothesis for the bridge according to the invention,
Figure 2 is a perspective view showing the inside of the deck deck of the bridge according to the present invention,
3 is a perspective view showing in detail the coupling relationship between the bracket and the girder,
4 is a perspective view showing in detail the setting block shown in Figure 3,
5 is an enlarged view of a portion A of FIG. 1 showing a coupling relationship between a handrail fixing beam,
6 is an enlarged view of a portion B of FIG. 1, and
7 is a view showing an example of a hypothesis in accordance with the present invention installed on the surface.

Hereinafter, with reference to the accompanying drawings will be described a hypothesis for the bridge according to a preferred embodiment of the present invention.

Referring to Figures 1 and 2, the temporary construction guide 100 for the bridge in accordance with the present invention is continuously installed from the other side of the bracket 110 and the bracket 110 is installed continuously in the longitudinal direction on the curb 10 of the bridge Combined detachable girder 120, crossbeam 130 is installed to intersect the upper portion of the detachable girder 120, the guardrail fixed beam 140 is installed to cross the upper end of the detachable girder 120, and the railing Fall prevention railing 150 is coupled to the upper surface of the fixed beam 140, and the deck 160 is provided on the upper portion of the cross beam (130).

First, the bracket 110 is made of steel, having a "b" shape so as to surround the upper surface and the other side of the curb 10, and further extended in the other direction at the bottom again bent twice the shape Have On the other side of the bracket 110, as shown in FIG. 3, the coupling plate 111 for coupling with the first girder 120a of the detachable girder 120 is formed spaced apart from each other at the center. At this time, the coupling plate 111 may be formed at a low level within the range not at least higher than the curb so that the upper plate of the girder 120, the cross beam 130 and the deck 160 can be sequentially stacked. The bracket 110 formed as described above is installed to be integrated with the concrete of the curbstone 10 by the chemical anchor 115 after being in close contact with the curbstone 10.

Next, at least three girders 120 are manufactured in a separable type, and have a single-layer structure such that their height is gradually lowered away from the bracket 110. That is, the first girder (120a) is similar to the height of the bracket 110, the second girder (120b) is lower than the first girder (120a), the third girder (120c) than the second girder (120b) Formed low. The girder 120 has a shape in which the top plate 121 and the vertical plate 122 are integrally formed in a “T” shape, and after the coupling between the girder 120 is opposite to each other, by the setting block 125. Combined.

The first girder 120a is a top plate 121 is mounted on the coupling plate 111 of the bracket 110, the vertical plate 122 is inserted between the coupling plate 111, then the side of the coupling plate 111 Join using a number of bolts.

The second girder (120b) is coupled to the first girder (120a) by the setting block 125, the setting block 125 has a plate shape as shown in Figure 4, so that the bolt is inserted into the bolt hole ( 126 is formed to form a setting groove 127 of the long hole shape smaller than the outer diameter and larger than the inner diameter of the bolt head to the contact portion. The setting groove 127 can eliminate the hassle of working by holding the bolt head separately from the opposite side after the bolt head is inserted, and after the bolt is fastened, the setting groove 127 clamps the bolt head, so that the bolt Can be prevented from being released.

The third girder 120c and more girders are also the same as the combination of the first girder 120a and the second girder 120b.

At the end of the girder 120, a handrail fixing beam 140 made of aluminum on the upper surface thereof is installed to intersect with the girder 120. At this time, the railing fixed beam 140 and the girder 120 is not exposed to the outside, but take a simple way of combining by the "a" angle, the railing fixed beam 140 and fall prevention railing made of aluminum Since the combination of 150 is exposed to the outside, it is combined by special means to prevent theft.

That is, the handrail fixing beam 140 has a square pipe shape, and at least one groove (141) of grooves (141) is inserted into the bolt head (156) of the lock bolt (155) as shown in FIG. Is formed. In other words, the groove 141 has a wide inside and a narrow outside so that the bolt head 156 is inserted so that the bolt is inserted upside down. The fall prevention railing 150 to be installed on the top of the handrail fixing beam 140 is integrally formed on the lower surface of the lower plate 151 abutting the upper surface of the handrail fixing beam 140, the lock on the lower plate 151 The bolt 155 is fastened. The lock bolt 155 is a commercially available fastening means, and once locked, it is not released until it is broken, thereby preventing theft of the fall prevention railing 150 and the structures associated with it. And on the side of the handrail fixing beam 140, the finishing cover 145 for closing the end of the girder 120 is further formed integrally.

Next, a plurality of crosses are spaced from the bracket 110 to the end of the girder 120 so as to intersect with the neighboring girders on the upper plate 121 of the detachable girder 120, that is, on the upper surface of the detachable girder 120. The beam 130 is installed. Cross beam 130 is made of aluminum, as shown in Figure 6 is simply fastened to the top plate 121 of the girder 120 by the "a" angle. The cross beam 130 has a rectangular pipe shape, and both sides of the upper surface of the cross beam 130 are formed with protrusions 131 protruding upward, and the anti-vibration rubber 135 is disposed between the protrusions 131.

Finally, on the upper surface of the anti-vibration rubber 135, a plurality of decks 160 made of wood in the same direction as the girder 120 is installed closely without gaps. Therefore, pedestrians passing on the deck 160 to prevent vibration and noise by the elasticity of the anti-vibration rubber 135 to promote a comfortable use.

Most structures of the temporary construction guide 100 for the bridge according to the present invention are made of aluminum, but pursue a light weight, but the deflection may occur due to physical properties, and safety means for preventing sagging are further reinforced.

That is, by knotting one end of the wire 170 on the upper side of the bracket 110 and connecting the other end of the wire 160 to the end of the girder 120, the girder 120 and the top of the girder 120 It will prevent sagging of the installed structure. Preferably, three or more wires 170 are provided to connect the lower ends of the first girders 120a and the lower ends of the second and third girders 120b and 120c, respectively.

On the other hand, the hypothesis 100 according to the present invention is not limited to the bridge. That is, as shown in Figure 7 it can be applied to the surface by a simple design change.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. .

10: curb
100: bridge construction 110: bracket
111: bonding plate 115: chemical anchor
120: girder 121: top plate
122: vertical plate 125: setting block
126: bolt hole 127: setting groove
130: cross beam 135: dustproof rubber
140: handrail fixed beam 141: groove
150: fall prevention railing 151: bottom plate
155: Rock Bolt 160: Deck
170: wire

Claims (5)

A steel bracket 110 in close contact with the top surface and the other side of the bridge and continuously installed by the chemical anchor 115, and a pair of coupling plates 111 spaced from each other on the other side integrally;
Aluminum material girder 120 having a "T" shape to be inserted between the coupling plate 111 and the upper portion is coupled in multiple stages so that the height is gradually reduced while being coupled by a bolt;
A handrail fixing beam 140 of aluminum material, which is coupled to the end of the girder to cross, and has a groove 141 having a wide row inside and a narrow row shape on an upper surface thereof;
The bolt head 156 of the lock bolt 155 is inserted into the groove 141, the aluminum fall prevention railing 150 is fixed on the handrail fixing beam 140 by the lock bolt 155;
A plurality of aluminum chromium beam 130 is installed to cross on the upper surface of the girder 120;
Anti-vibration rubber 135 is attached to the upper surface of the cross beams 130; And
It includes; the deck 160 is densely installed in the direction of the girder 120 on the upper surface of the anti-vibration rubber 135, including,
The combination of the multi-stage girder 120 is a setting including a bolt hole 126 and the bolt hole 126 in the abutting portion thereof, the setting groove 127 of the long hole shape smaller than the outer diameter of the bolt head and the same or larger than the inner diameter is formed Hypothesis for bridges, characterized in that coupled by block 125. delete According to claim 1, A plurality of wires 170 is fixed to the upper portion on the other side of the bracket 110, the other end of each wire 170 is characterized in that connected to the lower end of each of the multi-stage girder 120 Indian hypothesis for bridges. 4. The method of claim 3, wherein the hooking jaw 131 is integrally formed on the upper surface of the crossbeam 130 so that the anti-vibration rubber 135 is not separated. The bridge construction hypothesis of claim 4, wherein a finish cover 145 covering the end of the girder 120 is further integrally formed on the other side of the handrail fixing beam 140.

Images