KR100891200B1 - Funnel assembly gathering water on the bridge, which prevent rain water from separation on its exterior surface - Google Patents

Abstract

A catch basin for a bridge is provided to prevent the erosion of the catch basin neighboring of the upper plate lower-part since the gap between the concrete of the upper plate and catch basin outer surface is prevented. A catch basin for a bridge is embedded in the bridge deck(1) either side and collects the rainwater and the water for cleaning and pumps out to the bridge lower part. The outer surface of the external component contacting upper plate concrete is roughened. The resin layer(39) is coated on the rough surface of the external component. The sand(40) is sprinkled on the coated resin layer and the coherence of the outer surface of the external member and the upper plate concrete is strengthened.

Description

Funnel assembly gathering water on the bridge, which prevent rain water from separation on its exterior surface}

The present invention relates to a bridge catchment port installed on both sides of the bridge to drain rainwater and road cleaning water generated on the road surface to the lower portion of the bridge, and more specifically, between the outer surface of the catchment port embedded in the upper plate and the concrete in contact therewith. It prevents the occurrence of separation due to temperature change, shock, vibration, etc., and prevents rainwater and cleaning water from flowing between the outer surface of the catchment and the concrete in contact with it. It relates to a bridge collecting port for preventing the phenomenon of corrosion or erosion.

In general, a bridge is a bridge, a steel bridge installed in the longitudinal direction of the bridge under the upper plate and formed of steel, a shoe connecting the bridge and the steel bridge, and a bridge installed on the steel bridge to form a road surface. It consists of a top plate. And both sides of the upper plate is provided with a plurality of water collecting ports for draining rainwater and road cleaning water generated on the road surface to the lower portion of the bridge.

Rain water or cleaning water falling on the surface of the top plate flows to both sides of the top plate and is collected in the catchment, and the collected water flows to the river or the sea through the pipes installed along the steel bridges and piers.

These bridge catch ports have many structures. Conventional catch ports are separated between the outer surface of the catch port and the contact surface of the concrete forming the upper plate due to temperature change, shock, and vibration, and are referred to as rainwater or cleaning water (hereinafter referred to as "rainwater"). ) Enters the separated gap and flows down the outer surface of the catchment port to increase the clearance between the outer surface of the catchment port and the concrete.

As an example, a bridge catchment port registered under Patent No. 0848855 will be described as an example. 1 is a view showing the installation process of a conventional bridge catcher, Figure 1a is a cross-sectional view showing the bridge top plate before the formwork is removed, Figure 1b is a view showing the bridge top plate after the formwork is removed is a drain pipe to the catchment embedded in the top plate It is sectional drawing which shows the state connected. FIG. 2 is a view illustrating a drain pipe support part configured at a lower portion of the bridge catchment port of FIG. 1, FIG. 2A is a perspective view illustrating a coupling state of a drain pipe support part, FIG. 2B is a perspective view showing an appearance of a drain pipe support part, and FIG. It is a perspective view showing.

As shown, the bridge catch port of the pre-registered patent is to form the mold (2) to form the top plate (1) as shown in Figure 1a and first to install concrete after pouring the catch port (10).

The catchment port 10 is a funnel-shaped main body 11 having a wide upper portion and a narrower lower portion, a grating 13 covering the upper portion of the main body 11, and a drain pipe 15 disposed below the main body 11 and described below. ) Is coupled to the upper plate (1) to support the exterior 14a is formed with an inward flange (14aa) at the bottom, and the outward flange (top) as being able to be moved in the interior of the exterior (14a) It consists of the drain pipe support part 14 which consists of the inner pipe 14b in which 14ba is formed.

As shown in Figs. 2A, 2B and 2C, the drain pipe support portion 14 is such that the outward flange 14ba of the inner pipe 14b is caught by the inward flange 14aa of the outer surface 14a. In addition, a through hole 14bb is formed in the inner tube 14b to connect with the drain pipe 15.

When the concrete poured for forming the upper plate 1 is cured, the formwork 2 is removed, and as shown in FIG. 1B, the inner tube 14b of the drain pipe support 14 descends by its own weight. In this state, the drain pipe 15 is connected to the inner pipe 14b using bolts and nuts 16, and the drain pipe 15 extends through the steel bridge and the pier to the river or the sea. At both ends of the upper plate (1) is placed a protective wall (3) for safety.

The material of the water collecting port 10 as described above is generally made of steel, stainless steel, aluminum, or the like. These metals have poor adhesion to concrete because of their smooth surface. The bridge is subjected to shock and vibration by passing vehicles, wind, and the like. In addition, the top plate concrete shrinks and expands with temperature.

Therefore, due to the contraction and expansion caused by the impact, vibration, and temperature change of the upper plate 1, a separation phenomenon occurs and a gap occurs between the upper plate 1 concrete and the outer surface of the catchment port 10 in contact with it. Rainwater or cleaning water flows through this gap, which makes the gap larger. In particular, the erosion of the water collecting port 10 around the lower surface of the upper plate 1 becomes severe.

Rainwater flowing along the outer surface of the water collecting port 10, that is, the outer surface of the main body 11, flows along the outer surface of the drain pipe support 14, and eventually flows down through the outer surface of the drain pipe 15. Thus, rainwater coming down from the outside of the drain pipe 15 causes corrosion of the steel bridge under the upper plate 1 and also erosion of the piers.

As such, the conventional water collecting port has various problems due to the occurrence of a gap between the outer surface and the concrete of the upper plate (1), thereby causing a problem in bridge safety.

The present invention was devised to solve the problems of the conventional bridge catchment as described above, to prevent separation between the outer surface of the catchment and the concrete and prevent the formation of gaps to prevent the erosion around the catchment of the lower surface of the top plate and water It is an object of the present invention to provide a bridge catchment port that prevents the phenomenon of eroding or corroding steel bridges and piers on the upper plate while flowing down the top.

The bridge catchment port of the present invention is a bridge catchment port which is embedded in both sides of the bridge top plate to collect rain water and cleaning water to drain to the lower portion of the bridge, the rough surface treatment of the outer surface of the external parts in contact with the concrete, the rough surface of the external part The resin layer is coated, and sand is dispersed in the coated resin, so that the bonding force between the outer surface of the outer member and the upper concrete is strengthened.

The bridge catcher of the present invention is also characterized in that one of the outer parts is a funnel-shaped main body having a wide top and a narrow bottom, and the material of the outer parts is FRP (Fiber Reinforced Plastics).

The bridge catcher of the present invention is also characterized in that the resin layer coated on the outer surface of the outer part is an unsaturated polyester resin.

The bridge catchment port of the present invention is also a bridge catchment port which is embedded on both sides of the bridge top plate and collects rainwater and cleaning water and drains it to the lower portion of the bridge. Characterized in that it is configured with a plurality of catches to strengthen the coupling force.

In the bridge catchment of the present invention, the resin layer and sand coated on the outer surface of the outer part, and the latching hole strengthen the bonding force between the outer part and the concrete of the top plate, so that the contraction and expansion of the concrete according to the change of temperature, impact, vibration, etc. Even if it occurs, there is no separation between the outer surface of the catchment and the concrete in contact with it, thereby preventing rainwater and cleaning water from flowing between the outer surface of the catchment and the concrete in contact with it, so that the rainwater flows along the outer surface of the drain pipe to the upper and lower parts of the bridge. It is effective in preventing corrosion or erosion of steel bridges and piers.

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

3 is a view showing the installation process of the bridge catchment port of an embodiment according to the present invention, Figure 3a is a cross-sectional view showing the bridge top plate before the formwork is removed, Figure 3b is a view showing the bridge top plate after the formwork is removed to the top plate It is sectional drawing which shows the state in which the drain pipe is connected to the embedding catchment.

Bridge catch port is known in various forms, the present invention as shown in Figures 3a and 3b bridge catch port of the present invention is a funnel-shaped main body 31, the upper portion is narrow, the lower portion of the main body 31 The drain pipe support part 32 which is arrange | positioned and supports the drain pipe 35 mentioned later, the grating 33 which covers the upper part of the said main body 31, and the space formation opening which the lower surface opened in the exterior of the lower part of the said main body 31 ( 34), and it is preferably applied to the bridge catchment port consisting of the drain pipe (35).

The main body 31 has an upper surface and a lower outlet surface open as shown in the drawing, and has a vertical portion having a wide cross-sectional area and an inclined portion inclined to collect water. The shape of the main body 31 may be any other form as long as it is a funnel shape which can collect water.

The drain pipe support part 32 is disposed inside the main body 31, and is formed at the same inclination as the lower inclined part of the main body 31 so as to be caught by the inclined part of the main body 31 and the lower end of the main body 31. It consists of a lower vertical part with an outer diameter that can move through the outlet.

A through hole 32a for connecting the drain pipe 35 is formed in the vertical portion of the drain pipe support part 32.

The space forming tool 34 serves to form a space around the lower end of the main body 31 and may be formed integrally with the main body 31.

The drain pipe 35 has an inner diameter that can be spaced apart from the vertical portion of the drain pipe support part 32 at a predetermined interval. The drain pipe 35 is formed such that an upper end thereof is inserted into the space created by the space forming hole 34.

The bridge catchment device of the present invention is roughened on the outer surface of the external part in contact with the top plate (1) concrete, coating the resin layer (39) on the rough surface of the external part, sand on the coated resin layer (39) The 40 is dispersed to strengthen the bonding force between the outer surface of the outer member and the concrete of the upper plate 1.

3A and 3B, the external part contacting the upper plate 1 concrete is a funnel-shaped main body 31 and a space forming hole 34 having a wide top and a narrow bottom. However, the shape and number of external parts may vary depending on the shape of the bridge catchment. In the present invention, the external part refers to all parts in contact with the upper plate 1 concrete.

The material of the bridge catchment port 30 can be made of various materials such as steel, stainless steel, aluminum, etc. The material of all the parts including the main body 31 is made of FRP in terms of cost and does not rust. It is preferable because it maintains strength.

The surface roughness of the external components is appropriately set to # 80.

In addition, the material of the resin layer 39 coated on the outer surface of the external component may be any kind of resin, for example, unsaturated polyester resin may be used.

Since the sand 40 has a good bonding strength with the resin layer 39 and a good bonding strength with the concrete of the upper plate 1, the sand 40 can strongly bond between the external parts such as the main body 31 and the upper plate concrete. In addition, the use of sea sand with less impurities can enhance the bonding force.

The bridge catchment port 30 of the present invention is connected to the outside of the main body 31 in a lateral configuration is composed of a plurality of latches (31a) for strengthening the bonding force with the concrete of the upper plate (1). The catch 31a is integral with the main body 31, and has a form capable of increasing the bonding force with the concrete. For example, as shown, it may be in the form of a letter or a letter, or may be in the shape of a letter T. And the through hole (31aa) to form a concrete can be added to further increase the bonding force.

In addition, the surface roughening treatment, resin layer coating, and sand scattering treatment of the present invention is preferably applied to the surface of the fasteners 31a in order to further strengthen the binding force between the fasteners 31a and the upper concrete.

The bridge catchment port 30 of the present invention is installed in the bridge as follows.

As shown in FIG. 3a, first, the formwork 2 for forming the upper plate 1 is installed, and the catcher 30 is positioned at predetermined positions on both sides of the upper plate. At this time, the lower surface of the water collecting port 30 is closed by the styrofoam (38). This is to prevent foreign matter from penetrating into the interior space of the catchment (30).

In this state, the concrete is poured into the formwork (2) and cured to form the upper plate (1). As shown in FIG. 3B, when the formwork 2 is removed and the styrofoam 38 is removed, the drain pipe support part 32 falls down by its own weight, and the inclined part is caught by the middle inclined part of the main body 31. In this state, the drain pipe 35 is connected using the bolt 36 and the nut 37. The upper end of the drain pipe 35 enters the space formed by the space forming hole 34. On the upper end of the upper plate (1) is installed a protective wall (3) for safety.

In this state, the rainwater collected by the water collecting port 30 passes through the grating 33 and the foreign material is filtered and continues to flow inside the main body 31. Rainwater enters the drain pipe 35 through the inside of the lower drain pipe support 32 and flows into the river or the sea below the bridge.

In the bridge collecting port of the present invention, the outer surfaces of the main body 31 and the space forming port 34 are rough, and the resin layer 39 is coated on the rough surface, and sand 40 is scattered on the resin layer 39. Since the bonding force with the upper plate 1 concrete becomes stronger, and moreover, the engagement force becomes stronger when the latching opening 31a is comprised.

In the present invention, since the binding force with the upper plate (1) concrete is increased as described above, even if the upper plate concrete flows due to the contraction and expansion, vibration, and impact caused by the change in temperature, the bridge catchment port (30) also flows along the bridge catchment port. There is no separation between the outer surface of concrete and concrete and no gaps.

In the present invention, the resin layer 39 and the sand 40 are not formed on the outer surface of the external component, that is, the main body 31 and the space forming hole 34, and only the locking holes 31a are formed on the main body 31. Even in this case, the above-described separation phenomenon can be prevented to some extent.

Although the invention has been described in detail only with respect to the described embodiments, it will be apparent to those skilled in the art that various changes or modifications can be made within the spirit and scope of the invention, and such changes or modifications are consequently claimed. You will have to belong to the range.

1 is a view showing the installation process of a conventional bridge catcher, Figure 1a is a cross-sectional view showing the bridge top plate before the formwork is removed, Figure 1b is a view showing the bridge top plate after the formwork is removed is a drain pipe to the catchment embedded in the top plate Sectional drawing showing the connected state.

FIG. 2 is a view illustrating a drain pipe support part configured at a lower portion of the bridge catchment port of FIG. 1, FIG. 2A is a perspective view illustrating a coupling state of a drain pipe support part, FIG. 2B is a perspective view showing an appearance of a drain pipe support part, and FIG. Perspective view,

3 is a view showing the installation process of the bridge catchment port of an embodiment according to the present invention, Figure 3a is a cross-sectional view showing the bridge top plate before the formwork is removed, Figure 3b is a view showing the bridge top plate after the formwork is removed to the top plate It is sectional drawing which shows the state in which the drain pipe is connected to the embedding catchment.

<Explanation of symbols for the main parts of the drawings>

     1: top plate 2: formwork

     3: firewall

     10: catch port 11: body

     13: grating 14: drain pipe support

     14a: appearance 14aa: inward flange

     14b: Inner Tube 14ba: Outward Flange

     14bb: through hole 15: drain pipe

     16: bolts and nuts

     30: catch port 31: main body

     31a: latch 31aa: through hole

     32: drain pipe support 33: grating

     34: space forming sphere 35: drainage pipe,

     36: Bolt 37: Nut

     38: styrofoam 39: resin layer

     40: sand

Claims (4)

In the bridge catchment port which is embedded in both sides of the bridge upper plate (1) to collect rain water and cleaning water and drain it to the lower part of the bridge, The top plate (1) is roughened on the outer surface of the external part in contact with the concrete, the resin layer 39 is coated on the rough surface of the external part, and the sand 40 is dispersed on the coated resin layer 39 Bridge collecting port characterized in that the bonding force between the outer surface of the outer member and the top plate (1) concrete. The bridge catchment according to claim 1, wherein one of the external parts is a funnel-shaped main body (31) having a wide top and a narrow bottom, and the material of the external part is FRP. The bridge catcher of claim 1, wherein the resin layer (39) coated on the outer surface of the outer part is an unsaturated polyester resin. 3. The bridge catcher as set forth in claim 2, wherein a plurality of catches (31a) are connected to the outside of the main body (31) to strengthen the bonding force with the concrete of the upper plate (1).

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