KR20110077155A - A bridges drainage - Google Patents

Abstract

PURPOSE: A device for drainage for bridges is provided to be applied to both straight and curved pipes and to secure construction stability. CONSTITUTION: A device for drainage for bridges comprises an inlet port, a water collecting pipe(2), a drainpipe and a binding member. Rain flows in the inlet port from the upper side of a bridge. An outlet(21), from which rain follows, is formed on the water collecting pipe. The water collecting pipe is buried under the bridge slab so that the inlet port accords with the upper side of the bridge slab. The binding member connects the drainpipe to the water collecting pipe.

Description

A bridges drainage

The present invention forms a grid inlet through which rainwater from the upper part of the bridge flows in order to drain rainwater and sewage generated on the road surface of the bridge, including rainwater or cleaning of the road surface due to rainfall, and a drainage hole through which the rainwater flows out. And a water collecting pipe embedded in the bridge slab so that the inlet coincides with the upper surface of the upper slab of the bridge, and a drain pipe connected to the drainage at the lower portion of the water collecting pipe to discharge the collected rainwater and installed in the upper slab of the bridge. It relates to a drainage device for bridges.

Bridges, such as overpasses or bridges across rivers, consist of alternating bridges and piers, and superstructures consisting of girders and top plates installed on tops of the bridges. Supported by the device, it is constructed to be able to expand and contract elastically according to the stress applied to the upper structure, and to prevent the water from splashing or freezing on the road surface to prevent the sewage and rainwater from driving. A drainage system for draining is constructed.

As shown in FIG. 1, the drainage system of the bridge has an inlet 20 placed on the upper surface of the bridge slab 1 and a drain hole 21 exposed to the lower portion of the bridge slab 1. A collecting pipe 2 allowing the flowing sewage and rainwater to flow in and discharged, and connected to the lower end of the drain port 21 of the collecting pipe 2 in a vertical direction to drain the introduced sewage and rainwater to the ground or underground of the lower part of the piers. It consists of a drain pipe 3.

The drainage device installed on the bridge is Utility Model Registration No. 20-316593 'Socket-connected drainage catcher'; Korean Patent Application Laid-Open No. 10-2006-102831 'Bridge collecting device and its construction method'; Patent No. 10-776413, "Drainage device for bridges," is known.

Utility Model Registration No. 20-316593 'Socket-connected drainage catcher' is a socket pipe around the connector of the catchment which is formed inside the bridge deck to form the connection part of the drainage catchment and the connection drainage pipe inside the bridge deck. And forming a connection portion of the connection drainage pipe and the drainage pipe in a space between the socket pipe and the drain pipe of the catchment, and forming a coupling means for easily coupling both to the drainage pipe and the connection drainage pipe corresponding to the connection part. do.

That is, it comprises a drain pipe connected to the bottom of the catch portion formed with a grating formed in the upper surface of the drainage catchment for the rectangular funnel shape and a socket tube formed around the drain pipe, the connection is inserted between the drain pipe and the socket tube A coupling groove is formed in the connection drain pipe so that the drain pipe can be easily coupled with the drain pipe, and a coupling means is formed in the drain pipe.

The socket-type drainage drainage port is cured by placing concrete on the bridge deck formwork and dismantling the formwork. The connecting drainage pipe formed with the coupling groove is connected to the lower portion of the water collecting part. Is inserted between the socket pipe formed between the coupling, the coupling groove of the connecting drain pipe is coupled to the coupling means of the drain pipe in the interior of the bridge top plate is formed in the bridge top plate without damaging the bridge deck formwork In addition, it is possible to install the drainage catchment, and even if the connection portion of the drainage catchment and the connection drainage pipe is formed inside the bridge top plate, the connection drainage pipe can be easily coupled to the drainage pipe.

However, in construction, it is necessary to turn the entire connecting drain pipe to be inserted into the drain pipe. Since the weight of the drain hole is heavy and long, it is very difficult and cumbersome to couple the coupling groove of the connection drain pipe formed into a narrow space to the coupling means of the drain pipe. Such inconveniences in the operation is the case that the connecting drain pipe is a straight pipe, when the elbow-shaped curved pipe is a drainage direction is staggered, the construction is impossible.

The bridge 'water collecting device and construction method thereof' is composed of an inlet pipe, an inclined portion and a water collecting pipe, and is a water collecting hole embedded in the bridge bottom plate and a drain pipe that is addressed to the water collecting pipe lower portion of the water collecting hole. In the configured water collecting device, the water collecting pipe is installed on the same line as the bottom of the bridge bottom plate so that the lower end portion does not protrude to the lower outside of the bridge bottom plate, a plurality of fixed fastening grooves are fitted in the bottom fitting fitting of the drain pipe On the other hand, the water collecting pipe outer casing spaced apart from the water collecting pipe by a predetermined interval on the outside of the water collecting pipe forms a predetermined space between the water collecting pipe and the water collecting pipe outer casing, and the drain pipe is fitted into the water collecting pipe through the space. The drain pipe is formed with a diameter larger than the diameter of the water collecting pipe so that the lower portion of the water collecting pipe is fitted inside, and the upper inner circumference of the water collecting pipe On the surface, a plurality of fitting protrusions are formed at positions corresponding to the fixing fastening grooves so that the fitting protrusions are coupled to the fixing fastening grooves.

In such a bridge water collecting device, the lower drain pipe should be turned and inserted into the upper water collecting pipe. However, since the weight of the drain pipe is heavy and long, the work of coupling the fixed fastening groove formed into the cramped space to the fitting protrusion of the water collecting pipe is very large. It is difficult and cumbersome, and when the drain pipe is an elbow-shaped curved pipe, the drainage direction is staggered, so construction is impossible.

Patent No. 10-776413 "Drainage device for bridges" is embedded in the bridge slab, the collection box formed of a pipe fitting of the double pipe structure, a high information bolt fixed to the pipe joint of the collection box, the pipe of the collection box It is composed of a socket connected to the pipe joint of the water collecting pipe, coupled to the fitting portion and connected to the bent portion of the drain pipe, the drain connection pipe is connected to the bent portion of the drain connection pipe chain connected to the end of the horizontal portion, The socket is a vertical key groove which opens toward the top, multi-level height adjusting grooves extending in the left and right sides in the middle of the key groove and a recess formed at the end of the height adjustment groove toward the top to lock the high information bolt is fitted. The groove is formed of a fixed groove.

The bridge drainage device is a fixed bolt is formed in the collecting box, the socket is provided with a fixing groove for fixing the height of the fixed bolt is coupled to the upper portion of the drain connection pipe can be idled in the bridge slab collecting water By installing in the box, it is possible to apply the elbow-type drain connector, and the height of the drain connector can be adjusted. There is a problem that is dangerous.

Since the repair work on the drainage facilities of the bridge is relatively high, the connection work should be easy, and the bridge drainage facilities can flexibly respond to earthquakes or stresses applied to the structure, and be a rigid structure to prevent frequent repair work. Should be constructed as

The present invention improves the problems found in the conventional bridge drainage system as described above, bridge drainage device that can quickly and conveniently complete the task of connecting the collection box and the drainage pipe embedded in the bridge slab To provide.

In addition, the present invention is to provide a drainage device for bridges that can ensure that the collection pipe or the drain pipe with a certain play even when the vibration caused by the earthquake or alternating loads to ensure a safety against breakage.

Technical features for achieving the intended purpose of the present invention is a bridge slab so that the inlet is formed in the lattice inlet through which the rainwater from the top of the bridge flows in, and the drain hole through which the rainwater flows out is discharged so that the inlet coincides with the upper surface of the bridge upper slab. A drainage device for bridges comprising: a water collecting pipe embedded in a water supply pipe; a water draining pipe for discharging rainwater collected in a lower portion of the water collecting pipe while being discharged; and a binding means for binding the water draining pipe to the water collecting pipe. At least two fixing rods protruding radially from the outer circumferential surface of the water collecting pipe are formed into a rod shape, and a space is formed to protrude to the upper side of the flange-like fixing member formed at an upper portion of the drain pipe and open downward. At least two hooks are arranged to be seated on the top of the fixing rod It is.

Another technical feature for achieving the intended purpose of the present invention is to form an inlet on the grid in which the rainwater from the upper part of the bridge flows, and a drainage port through which the inflowed rainwater is discharged so that the inlet coincides with the upper surface of the bridge upper slab. A water collecting pipe embedded in a slab, a water drain pipe for discharging rainwater collected by being bound while receiving a drain at a lower portion of the water collecting pipe, and a binding means for fastening the water pipe to the water collecting pipe. At least two locking members protruding radially from the outer circumferential surface of the water collecting pipe and having a space in which a locking groove is formed, and protruding from the upper portion of the flanged fixing member formed at an upper portion of the drain pipe, The hook is formed with at least two hooks arranged in a space radially towards the center. It is characterized in that seated on the upper portion of the member.

The fixing member may be integrally formed with the drain pipe, or may be separately formed from the drain pipe and rotatably installed on the outer circumferential surface of the drain pipe.

When the drain pipe and the fixing member are formed separately, a stopper is formed to prevent the fixing member from being separated from the outer circumferential surface of the drain pipe so that the fixing member can slide and rotate within a predetermined section.

In the present invention as described above, the space between the plurality of catching members formed in the collecting pipe is sufficiently wide, and the space between the plurality of catching protrusions formed in the drain pipe and coupled to the catching member is also sufficiently wide.

Therefore, the upper part of the drain pipe is brought closer to the lower part of the collecting pipe, and the drain pipe of the collecting pipe is inserted into the upper part of the drain pipe to guide the catch ring into the space between the catching members, and then the drain pipe is bent so that the bent portion of the catch ring reaches the upper part of the catching member. When rotated, the vertical part of the catching ring reaches the side of the catching member. In this state, when the bent portion of the catching ring is laid down on the catching member, the collecting pipe and the draining pipe are coupled.

Coupling method of the present invention described above can be easily guided to the upper end of the engaging member by the engaging means is formed with a sufficient peripheral space by the engaging member and the locking ring, only to seat the locking ring on the locking member When the water collecting pipe and the drain pipe are combined, it is possible to easily perform the operation of drainage facilities at a height such as a bridge. In addition, even if vibration and play occur due to an earthquake or alternating load acting on the bridge, the seismic function seated on the engaging member can be properly flowed and absorbed, thereby absorbing shock and structurally stable.

On the other hand, according to another characteristic structure proposed by the present invention, that is, a structure in which the fixing member is installed so that the drain pipe is rotatable and slidingly movable, the upper part of the drain pipe is close to the lower part of the collecting pipe, and the drain hole of the collecting pipe is inserted into the upper part of the drain pipe. While inducing the locking ring into the space between the locking members, and rotating the fixing member without rotating the drain pipe, the bent portion of the locking ring reaches the upper side of the locking member while the vertical portion of the locking ring reaches the side of the locking member. If the fixing member and the drain pipe are put down so that the bent portion of the upper part of the catch ring is seated on the catch member, the sump pipe and the drain pipe are combined.

This coupling method can easily guide the hook ring to the upper portion of the locking member by a coupling means in which a sufficient peripheral space is formed by the locking member and the locking ring as described above, and merely seats the locking ring on the locking member. The collection pipe and the drain pipe are combined with each other, and only the fixing member is rotated without rotating the drain pipe, so that the work of the drainage facility at the high place can be performed more easily, and the vibration and play are caused by the alternating load acting on the earthquake or the bridge. Even if it occurs, the catch ring seated on the catching member is properly flowed and absorbed, and at the same time, the drain pipe can be properly rotated or flow in the vertical direction from the fixing member, thereby making it more structurally stable.

Bridge drainage device of the present invention can ensure the safety of work by using a wide working space secured in the vicinity according to the structural characteristics formed by the engaging member and the hook ring can be quickly made in the high place such as overpass or bridge It is possible to freely construct drainage pipes in the form of straight pipes or curved pipes, and it is possible to cope with vibrations caused by earthquakes or alternating loads due to the flexible connection structure, thus maintaining a safe and secure coupling state even after construction. .

Features and advantages of the present invention will be more clearly described by the embodiments described by the accompanying drawings.

Next, an embodiment of the present invention will be described.

2 to 6 show drawings related to the first embodiment of the present invention. As referred to in this figure, the bridge drainage device of the present invention comprises a collecting pipe 2 and a drain pipe 3.

First, as shown in FIGS. 2 to 3, the collecting pipe 2 includes an inlet 20 embedded in the bridge slab 1, a drain pipe 21 formed with a double pipe 22, and connected to the drain pipe 3. , The locking member 23 is a coupling means for connecting the drain pipe (3).

The inlet 20 is formed on the same surface as the upper surface of the slab (1) of the bridge, the grating 24 is formed to prevent the inflow of foreign matter floating or swept away in the rainwater, and the drain port 21 and The inclined tube 25 is integrally formed.

The drain hole 21 is installed so that the lower end is matched to the bottom of the bridge slab (1), when the concrete to build the bridge slab (3) is poured, and then remove the formwork is buried in the state exposed to the lower slab (1), excellent When the drain pipe 3 is combined so that water is not leaked, it is inserted into the top of the drain pipe 3.

Double pipe 22 is formed at the lower end of the drain port 21, the horizontal portion 26 is formed from the outer circumferential surface, from the horizontal portion 26 to the vertical portion 27, the water collecting pipe (2) in the lower portion It is formed of a cylindrical body provided with a space between the outer peripheral surface and the inner peripheral surface of the vertical portion 27 to accommodate the upper portion of the drain pipe (3).

In the space formed by the outer circumferential surface of the collecting pipe 2 and the inner circumferential surface of the vertical portion 27 is fixed to the outer circumferential surface of the collecting pipe 2 and the inner circumferential surface of the vertical portion 27 as coupling means for connecting the drain pipe 3. The locking member 23 is formed.

The double tube 22 may be integrally formed with the collecting pipe 2 or separately formed and fixed by welding.

At least two locking members 23 are formed at symmetrical positions, and preferably three to four locking members 23 are formed for workability and stress distribution, and the outer peripheral surface of the water collecting pipe 2 and the vertical portion 27 Through the inner circumferential surface can be fixed with a nut, can be fixed by welding, the accompanying drawings show an example of being fixed by welding.

The drain pipe 3 is composed of a fixing member 30 formed on the upper portion, and a catching ring 31 formed on the fixing member as a coupling means for coupling the drain pipe 3 to the collecting pipe 2.

The fixing member 30 is a flange-shaped disc having a diameter that can be accommodated in a space formed inside the double pipe body 22 of the collecting pipe 2 and is integrally formed with the drain pipe 3, and the hook ring 31 is provided. Screw hole 300 for fixing the) may be formed separately from the drain pipe 3 according to the embodiment according to the technical idea of the present invention, this embodiment will be described later.

The catching ring 31 is formed from a screw part 310 fixed to the fixing member 30 by the lock nut 32, a vertical part 311 continuous to the screw part 310, and an end of the vertical part 311. It is composed of a bent portion 312 is bent in a semicircular shape to the top is fixed in the circumferential direction.

The construction of the present invention configured as described above is accomplished by embedding the collecting pipe 2 in the upper slab of the bridge as in the general method.

In other words, as in the general construction method for installing the upper slab of the bridge, girders are installed on the bridges and shifts, and the reinforcing bars are installed, and then the formwork is installed in the lower part of the reinforced bars and concrete is poured to install the upper slab of the bridge. .

At this time, the upper mold is installed so that the surface of the upper slab and the grating 24 of the collecting pipe 2 forms the same road surface, and the lower formwork is installed so that the lower end of the collecting pipe 2 contacts.

When the collecting pipe 2 is installed, the concrete is poured into the space formed by the formwork to cure the bridge upper slab, and then the formwork is removed.

When the formwork is removed in this way, the bottom of the bridge slab exposes the drain port 21 of the collecting pipe 2 and the lower part of the double pipe 22, and the drain pipe 21 is brought close to the drain pipe 21 so that the drain pipe 21 is drained. The lock ring 31 is introduced into the upper space of the double pipe 22 while allowing the locking ring 31 to pass through the space between the locking members 23, and then the drain pipe 3 is fixed. When rotated in the circumferential direction from the position as shown in Figures 4 to 6, the vertical portion 311 of the locking ring 31 is in contact with the side of the locking member (23).

At this time, if the drain pipe 3 is lowered still, the bent portion 312 of the locking ring 31 is seated on the locking member 23 and the drain pipe 3 is coupled to the water collecting pipe 2.

The present invention can be modified in various ways within the scope of the technical spirit intended by the present invention from the above embodiments.

7 and 8 illustrate another embodiment of the present invention, in which at least two catching members 23a protruding from the outer circumferential surface of the collection pipe 2a to form the space 29 are provided in the space in the double pipe body 22a. It is formed, the locking projection (31a) of the drain pipe (3a) is a radially toward the center of the shaft while at least two protruding to the top of the flange-shaped fixing member (30a) shows a structure seated on the upper portion of the locking member (23a) have.

In this embodiment, as the locking ring 31a is bound by using the space 29 formed in the locking member 23a, the drain pipe 3 may secure fluidity in the circumferential direction.

9 and 11 illustrate a third embodiment of the present invention, in which a drain pipe 3b and a fixing member 30b are separately formed, and a stopper 33 is formed on the outer circumferential surface of the upper end of the drain pipe 3b, and the fixing member ( 30b) is formed with a through hole 301 into which the drain pipe 3b is inserted.

In this embodiment, the through-hole 301 of the fixing member 30b is inserted into the lower end of the drain pipe 3b to guide the upper portion of the fixing member 30b so that the fixing member 30b is upper by the stopper 33. It is to be installed so as to rotate and slide on the outer circumferential surface of the drain pipe (3b) so as not to be separated into the water collecting pipe (2b) to rotate the fixing member 30 without rotating the drain pipe (3b).

In such an embodiment, the drain pipe 3b and the fixing member 30b may be transported, respectively, and the fixing member 30b may be coupled to the drain pipe 3b at the construction site.

11 shows a space between the stoppers 33 and 34 facing each other by being disposed on the outer circumferential surface of the drain pipe 3b at an appropriate distance from the stopper 33 formed on the outer circumferential surface of the upper end of the drain pipe 3b. In this embodiment, the fixing member 30b is installed so as to be rotatable and slidingly movable on the drain pipe 3b between the upper and lower stoppers 33 and 34. As described above, when the water pipe 3b is coupled to the water collecting pipe 2b, the water pipe 3b may be rotated and coupled without rotating.

1 is a view showing a bridge to which the present invention is applied

2 is an exploded perspective view of the first embodiment of the present invention;

3 is an exploded perspective view showing the bottom of the first embodiment of the present invention;

4 is a cross-sectional view of the first embodiment of the present invention.

5 is a plan view showing a state that the engaging ring is coupled to the locking member in the first embodiment of the present invention;

Figure 6 is an enlarged view of a part of the engaging ring coupled to the locking member in the first embodiment of the present invention

7 is an exploded perspective view of a second embodiment of the present invention;

8 is an assembled perspective view of a second embodiment of the present invention;

9 is an exploded perspective view of a third embodiment of the present invention;

10 is a cross-sectional view of the drain pipe in the third embodiment of the present invention.

11 is a cross-sectional view of a drain pipe formed with a stopper in a third embodiment of the present invention;

* Explanation of symbols for the main parts of the drawings

1: 2: water collecting pipe

3: drain pipe 21: drain pipe

22: double pipe 23: locking member

30: fixing member 31: hook

33: stopper

Claims (5)

A gutter on the lattice inlet through which the rainwater from the upper part of the bridge flows; In the drainage device for a bridge having a drain pipe for discharging rainwater collected by binding to the water collecting unit, and a binding means for binding the drain pipe to the collecting pipe, At least two catching members, wherein the fastening means has a rod shape and protrudes radially from the outer circumferential surface of the water collecting pipe; Bridge for drainage, characterized in that at least two hooks arranged in the circumferential direction is formed in the upper circumferential direction is formed in the space is formed to protrude to the upper portion of the flange-shaped fixing member formed on the upper portion of the drain pipe . A gutter on the lattice inlet through which the rainwater from the upper part of the bridge flows; In the drainage device for a bridge having a drain pipe for discharging rainwater collected by binding to the water collecting unit, and a binding means for binding the drain pipe to the collecting pipe, The binding means protrudes radially from the outer circumferential surface of the water collecting pipe and is open downward while protruding from the upper portion of the flange-shaped fixing member formed on the upper portion of the drain pipe and at least two locking members having a space in which a locking groove is formed. At least two hooks are formed spaced radially toward the center is seated on the upper portion of the locking member characterized in that the bridge. The bridge drainage device according to any one of claims 1 to 7, wherein the fixing member is formed integrally with the drain pipe. According to any one of claims 1 or 2, wherein the fixing member is formed separately from the drain pipe and rotatably installed on the outer circumferential surface of the drain pipe, a stopper is formed on the outer peripheral surface of the upper end of the drain pipe to prevent separation of the fixing member Bridge for drainage, characterized in that the. The stopper is formed on the outer circumferential surface of the drain pipe at an appropriate distance from the stopper formed on the outer peripheral surface of the upper end of the drain pipe, the fixing member is located in the space between the opposite stopper. Drainage for bridges.

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