KR20020047640A - Flexible joint device of bridge for footpath - Google Patents

Abstract

PURPOSE: Provided is a flexible joint apparatus for bridge to seal and block joint portions between upper and lower plates in order to eliminate traffic inconvenience due to rain water falling from the bridge and to prevent damage/traffic accident caused by frozen road during winter season. CONSTITUTION: The flexible joint apparatus comprises an upper and lower plates(1,2) overlapped in a space between a first and a second finishing stone materials(10,20). The upper and lower plates(1,2) are fixed and supported by a first and a second support frames(4,5) interconnected by a flexible material(3). The upper plate(1) has a first water-proof portion including a first fixing groove and a first sealing component at side part while the lower plate(2) has a second water-proof portion(7) including a second fixing groove(71) and a second sealing component(72). Furthermore, the lower plate(2) has a third water-proof portion including a third fixing groove and a third sealing component.

Description

Flexible joint device of bridge for footpath

The present invention relates to a bridge expansion joint device for sidewalks, and more particularly to a bridge expansion joint device for sidewalks to prevent rain water from falling in the bridge by blocking and sealing so that rain water does not penetrate into the bridge during rain. will be.

In general, the sidewalk bridge is provided with expansion joints in the middle of the passage portion to prevent the internal cracks due to the expansion and contraction of the slab of the bridge due to external conditions, such as temperature.

4 is a cross-sectional view showing the structure of a conventional bridge expansion joint device for a sidewalk.

As shown in the drawing, the bridge expansion joint device for the upper plate 120 and the lower plate 130 formed in a flat shape between the passage blocks 110, 110A are formed to face each other, and the upper portion of the lower plate 130 It is provided in such a way that the top plate 120 is superimposed on the side. In addition, the lower side of the upper plate 120 and the lower plate 130 is provided with a fixed plate 140, 140A, respectively, between the upper plate 120 and the lower plate 130, both ends of the fixing plate 140 (140A) and the upper plate Between the 120 and the lower plate 130 is provided with an elastic member 150 fixed by the fastening of the bolt (B).

However, such conventional walkway bridge expansion device is not provided with a means to reliably block and seal the rain between the gap between the upper plate and the lower plate and the joint between the upper plate or the lower plate due to the rain water falling from the bridge in rainy weather In addition to causing a lot of inconvenience, such as vehicles traveling to the lower side of the bridge, there was a problem that causes traffic accidents and safety accidents in the winter due to the falling ice.

Therefore, the present invention was devised to solve the conventional problems as described above, the purpose of which is to solve the traffic inconveniences such as vehicles due to rainwater falling from the bridge, as well as traffic generated by the ice due to the rain in winter To prevent accidents and safety accidents.

In order to achieve the object of the present invention, the upper plate and the lower plate are provided in such a way that they overlap each other while overlapping the space portion between the first and the second finishing stone, the upper plate and the lower plate are interconnected by the elastic member It is fixed and supported by the first support frame and the second support frame, the first waterproofing treatment portion consisting of the first mounting groove and the first sealing member is formed in the side surface of the upper plate, the second mounting groove and the first upper surface of the lower plate There is provided a second waterproofing portion composed of two sealing members, and a side bridge portion of the lower plate is provided with a bridge expansion joint device for sidewalks, characterized in that the third waterproofing portion composed of a third mounting groove and a third sealing member is provided.

In addition, the upper plate is formed in a horizontal plate shape with a downward inclined surface formed on the end side, the surface is formed in the ventral portion formed with an uneven portion on the front side, the lower rear side is formed with a fixing part fixed and supported by bolts on the first support frame The connection part is formed between the cover part and the fixing part.

And the lower plate is located on the lower side of the upper part of the upper part of the upper plate is formed in the horizontal plate-like support portion is formed on the front side, the lower rear side of the support portion is formed with a fixing part fixed and supported by bolts on the second support frame, It is characterized in that the connection portion and the support portion formed therebetween.

1 is a cross-sectional view showing a bridge expansion joint device for a walkway according to the present invention.

Figure 2a, Figure 2b shows the upper frame structure of the present invention,

Figure 2a is a full enlarged cross-sectional view.

FIG. 2B is an enlarged sectional view taken along the line A-A of FIG. 2A; FIG.

3a and 3b show the lower frame structure of the present invention,

Figure 3a is a full enlarged cross-sectional view.

3B is an enlarged sectional view taken along the line B-B in FIG. 3A.

Figure 4 is a cross-sectional view showing a conventional bridge expansion joint device for a sidewalk.

* Explanation of symbols for the main parts of the drawings

1: tops

10: First finish stone 11: Cover

11A: Downward slope 11B: Uneven portion

12: Fixed part 13: Connection part

2: bottom plate

21: Base 22: Government

23: connection part 24: support part

3: stretch member

4: 1st support frame 4A: Support plate

5: second support frame 5A: angle

6: first waterproofing unit

61: first mounting groove 62: second sealing member

7: second waterproofing

71: second mounting groove 72: second sealing member

8: The third waterproofing treatment part

81: third mounting groove 82: third sealing member

Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing the overall configuration of the present invention.

As shown in the present invention, the upper plate 1 and the lower plate 2 are provided in the space portion between the first finishing stone 10 and the second finishing stone 20 of the bridge for the side facing each other, the upper plate (1) is provided in such a manner as to overlap on the upper side of the lower plate (2). In addition, the upper plate (1) and the lower plate (2) is fixed and supported by the lower side first support frame (4) and the second support frame (5), for this purpose, the upper plate (1) is horizontal to the front side The cover part 11 protrudes in a plate shape, and a fixing part 12 fixed to the first support frame 4 by a fastening of the bolt B is formed in a horizontal plate shape at the rear side of the lower side thereof. The connecting part 13 is integrally formed between the part 11 and the fixing part 12.

In addition, the lower plate 2 is configured to support the lower portion of the cover portion 11 of the upper plate 1 by protruding the support portion 21 in a horizontal plate shape on the front side, On the lower rear side, a fixing part 22 fixed to the second supporting frame 5 by the fastening of the bolt B is formed in a horizontal plate shape, and a connecting part between the supporting part 21 and the fixing part 22. 23 is integrally formed, and the support part 24 is integrally formed between the front support part 21 and the fixing part 22 of the connection part 23, and the support part 21 is formed by the support part 24. Is configured to be supported by the lower side.

In addition, a second waterproofing part 7 is provided on the upper end surface of the supporting part 21 of the lower plate 2 to seal with the upper side upper plate 1, and the second waterproofing part 7 is upwardly open. A second mounting groove 71 and a second sealing member 72 inserted into and fixed to the second mounting groove 71 are provided. The second sealing member 72 is formed of a rubber material having excellent sealing force. .

On the other hand, the first support frame (4) and the second support frame (5) are formed so as to be able to flow independently of each other, and between them, the elastic member (3) is formed between them, the elastic member ( Both ends of 3) are fixed to the first support frame 4 and the second support frame 5, respectively.

And the upper side of the first support frame 4 is provided with a supporting plate (4A) in a horizontal plate shape at intervals, one side end of the supporting plate (4A) is fixed to the elastic member (3). In addition, the fixing part 12 of the upper plate 1 is located on the upper side of the supporting plate 4A, and the fixing part 12 is fixed by the fastening of the bolt B.

In addition, an angle 5A is provided at an upper side of the second support frame 5, one side of the angle 5A is fixed to the elastic member 3, and the second support frame 5 and the angle 5A are provided. And the fixing part 22 of the lower plate 2 is fixed to each other by the fastening of the bolt (B).

2A and 2B are sectional views showing the top plate structure of the present invention.

As shown in FIG. 2A, the upper plate 1 of the present invention has a cover portion 11 protruding in a horizontal plate shape toward the front side, and a fixing portion 12 is formed at the lower rear side of the cover portion 11. The fixed part 12 and the cover part 11 have a structure integrally formed by the connecting part 13. In addition, an uneven portion 11B is formed on the upper surface of the cover 11 to prevent slippage, and a downward slope 11A is formed on the tip portion thereof so that a step is not formed.

And the side portion of the upper plate 1, the figure shows the cross-sectional shape of the upper plate 1, is formed with a continuous length with this cross section, wherein the cross-sectional portion is referred to as the side portion in the side portion of the joint between the upper plate (1) A first waterproofing part 6 is formed to seal the part, and the first waterproofing part 6 is formed of a rubber material having a circular cross-sectional shape with the first mounting groove 61 as shown in FIG. 2B. The first sealing member 62 is provided.

3A and 3B are cross-sectional views showing the bottom plate structure of the present invention.

As shown in FIG. 3A, the lower plate 2 of the present invention has a supporting plate 21 formed in a horizontal plate shape so as to support the lower portion of the upper part of the upper plate (not shown) toward the front side, and the supporting unit 21 is provided. The lower rear side of the) is formed with a fixing portion 22, the connecting portion 23 is formed between the fixing portion 22 and the supporting portion 21 has a structure formed integrally. In addition, the support part 24 is integrally formed between the front support part 21 and the fixing part 22 of the connection part 23 as a means for reinforcing the lower support force of the support part 21.

In addition, a second waterproofing part 7 is formed on the top surface of the front end of the supporting part 21 as a means for blocking and sealing rainwater that penetrates between the cover of the upper plate 1 and the supporting plate 4A of the lower plate 2. The second waterproofing part 7 includes a second mounting groove 71 and a second sealing member (not shown) made of rubber material fitted into the second mounting groove 71.

At the same time, a third waterproofing part 8 is formed on the side part of the lower plate 2 as a means for blocking and sealing the rainwater from penetrating between the joints between the lower plates 2, and the third waterproofing part 8 is As shown in FIG. 3B, a third mounting groove 81 and a third sealing member 82 made of a rubber material having a circular cross-sectional shape fitted to the third mounting groove 81 are provided.

According to the present invention configured as described above, first, the rainwater penetrating between the joints between the upper plates 1 by the first waterproofing unit 6 can be blocked, and the joints between the lower panels 2 are rainwater by the third waterproofing unit 8. It is possible to block the penetration of the, between the upper plate (1) and the lower plate (2) is to be able to block the rainwater penetration by the second waterproofing unit (7).

As described above, the present invention makes it possible to seal and block between the upper and lower plates used as the expansion joint of the sidewalk bridge and the joint between the upper and lower plates, thereby preventing traffic from rain due to rain falling from the bridge in rainy weather. Not only can it solve the problem, but it also has the effect of preventing traffic accidents and safety accidents caused by the ice caused by rainwater falling in winter.

Claims (3)

The upper plate 1 and the lower plate 2 are provided in such a manner that they overlap each other while facing each other in the space portion between the first and the second finishing stone materials 10 and 20, and the upper and lower plates 1 and 2 Is fixed and supported by the lower side of the first support frame 4 and the second support frame 5 interconnected by the elastic member (3), the first mounting groove 61 and the first side portion of the upper plate (1) The first waterproof treatment part 6 composed of the first sealing member 62 is formed, and the second waterproof treatment part 7 composed of the second mounting groove 71 and the second sealing member 72 is formed on the upper end of the lower plate 2. ) Is formed, the side bridge of the lower plate (2) is a bridge expansion joint device for the sidewalk, characterized in that the third waterproofing treatment portion 8 consisting of a third mounting groove 81 and the third sealing member 82 is provided . According to claim 1, wherein the upper plate (1) is formed in a horizontal plate shape with a downward inclined surface 11A is formed on the end side, and the cover portion (11) having an uneven portion (11B) is formed on the front side thereof, On the lower rear side, a fixing part 12 fixed and supported by bolts B is formed on the first support frame 4, and a connecting part 13 is formed between the cover part 11 and the fixing part 12. Bridge construction for the sidewalk bridge characterized in that. According to claim 1, wherein the lower plate (2) is located on the lower side of the cover portion 11 of the upper plate (1) and the supporting portion 21 formed in a horizontal plate shape is formed on the front side, the supporting portion 21 The lower rear side of the side is characterized in that the fixing portion 22 is fixed and supported by the bolt (B) on the second support frame (5), the connecting portion 23 and the support portion 24 is formed between them Bridge expansion joint.