KR101328067B1 - Freeze preventation apparatus and constructing method of outside road surface of tunnel - Google Patents

Abstract

The present invention relates to a device for preventing the freezing of the tunnel access road having a structure capable of eliminating the frost formed in the entrance and exit of the tunnel by using the leachate of the tunnel, the leachate is disposed inside the drain pipe of the tunnel, discharged to the drain pipe The heat absorbing portion is connected to the heat absorbing portion and the heat absorbing portion, and the heat generating portion for preventing the freezing of the road to the tunnel entrance and exit flow through the ice freezing water absorbed the heat of the leachate in the heat absorbing portion. Therefore, the leachate of the tunnel is used as a heat source for preventing freezing, thus eliminating energy consumption and always freezing of freezing.

Description

FREEZE PREVENTATION APPARATUS AND CONSTRUCTING METHOD OF OUTSIDE ROAD SURFACE OF TUNNEL}

The present invention relates to a device for preventing the freezing of the road surface, and more particularly, to a device for preventing the freezing of a tunnel access road having a structure capable of eliminating the ice formed in the access road of the tunnel by using the leachate of the tunnel. It is about.

In general, when snow or ice occurs on the road in winter, safety problems occur in the operation of vehicles and pedestrians. Therefore, snow removal vehicles are used to remove them or by chemical methods such as calcium chloride.

Tunnels are often installed in mountainous terrain, and the speed of melting snow or ice due to shade on sloped terrain is slower than that of general roads. Failure to do so will significantly increase the risk of traffic accidents. In addition, due to the large illumination changes at the entrance and exit of the tunnel, the ability to cope with driving is significantly reduced, and the risk of an accident due to freezing of the road surface may be further increased.

The necessity of preventing snow accumulation or freezing in the entrance and exit of the tunnel is increased, and when the weather worsens or a cold wave is predicted, regular atmospheric snow removal or ice-making work has been performed.

However, when snow removal or ice making work is carried out by manpower, there is a problem that the cost due to labor, equipment use and chemicals is significantly increased. Especially, when using snow removal chemicals, environmental pollution or road facilities Problems such as corrosion may occur. In addition, in the case of using a material such as calcium chloride, it is effective to dissolve snow or ice on the road with little effort, but the water contained in calcium chloride and calcium chloride remaining on the road may cause another safety problem.

In recent years, in order to solve this problem, an electric heating snow melting system is used, which embeds heating wires in the lower part of the road surface of the entrance and exit of the tunnel and supplies electricity to these heating wires to melt and remove snow or ice due to heat transfer.

In the case of such an electrothermal snow melting system consumes a lot of electrical energy for operation, there was a problem that does not meet the global trend on the need for energy saving and suppression of carbon dioxide emission due to the exhaustion of fossil energy recently.

The present invention has been made to solve the above problems, the road surface to the tunnel access road using heat pipes that can handle the snow on the road to the entrance and exit of the tunnel at any time while using an environmentally friendly heat source. An object of the present invention is to provide an icing preventing device and a construction method thereof.

An apparatus for preventing freezing of a tunnel in and out of the tunnel according to the present invention is disposed inside a drain pipe of a tunnel, and is connected to an endothermic part that absorbs heat of the leachate discharged to the drain pipe and the endothermic part, and the heat of the leachate water is absorbed in the endothermic part. It includes a heat generating portion for preventing the freezing of the water flows into the tunnel entry and exit by the flow of the frozen ice preventing water. Therefore, the leachate of the tunnel is used as a heat source for preventing freezing, thus eliminating energy consumption and always freezing of freezing.

In addition, the device for preventing freezing of the tunnel entrance and exit according to the present invention, the endothermic portion is formed in a zigzag shape so that the heat transfer area of the leachate is increased.

In the apparatus for preventing icing into a tunnel in and out according to the present invention, the heat absorbing portion is disposed below the drain pipe. Therefore, even if the amount of leachate is small, heat transfer is possible effectively.

In addition, the apparatus for preventing icing into the tunnel entrance and exit according to the present invention further includes a circulation pump for circulating the icing prevention water between the heat absorbing portion and the heat generating portion. Therefore, it is possible to effectively transfer the heat of the leachate to the road surface with little energy.

In addition, the device for preventing freezing of the tunnel entrance and exit according to the present invention further includes an insertion member which is fixed inside the drain pipe and supports the heat absorbing portion. Therefore, it is easy to insert and install the freezing prevention device into the drain pipe.

In addition, the apparatus for preventing icing into the tunnel entrance and exit path according to the present invention includes a plurality of ring members in which the insertion member is fixed to the inner circumferential side of the drain pipe, and a support member connecting the plurality of ring members in the longitudinal direction. Therefore, there is an advantage in that the structure is simple but does not inhibit the flow of the leachate.

Further, in the apparatus for preventing icing of the tunnel in and out of the tunnel according to the present invention, the support member is disposed at equal intervals in the ring member, and the heat absorbing portion is supported by the support member disposed below the ring member. Thus, structural stability can be provided and the heat of the leachate can be transferred effectively.

In addition, the device for preventing freezing of the tunnel entrance and exit according to the present invention, the insertion member is inserted into the longitudinal direction at one end side of the drain pipe is coupled to, further comprising a fixing member for connecting the insertion member and the drain pipe. Therefore, the position fixing of the heat absorbing portion is assured.

In addition, the freezing prevention device of the tunnel entrance and exit in accordance with the present invention, the fixing member is coupled to the ring member, one side is disposed on one end side of the insertion member, the other side is coupled to one end of the drain pipe. Therefore, coupling and installation of the insertion member are easy and robust.

On the other hand, the construction method of the freezing prevention device of the present invention, the step of coupling the heat absorbing portion of the freezing prevention device to the insertion member, the step of inserting the insertion member into the drain pipe of the tunnel and the heating portion of the freezing prevention device road to the tunnel entry and exit It provides a method of construction of the device to prevent the icing of the entrance and exit of the tunnel comprising the step of installing in. Therefore, it is economical because it is excellent in workability and there is no consumption of additional energy source.

In addition, after the step of inserting the insertion member, further comprising the step of fixing the insertion member through the fixing member at one end side of the drain pipe. Therefore, the assembly is solid and the durability is improved.

On the other hand, another construction method of the frost protection device of the present invention, the first step of installing the heat absorbing portion of the frost protection device below the inside of the drain pipe of the tunnel and the second step of installing the heat generating portion of the frost protection device on the road to the tunnel entrance and exit It provides a construction method of the ice prevention device to the entrance and exit tunnel. Therefore, even if the amount of leachate is small, it is possible to effectively prevent freezing.

In addition, the first step is performed by fixing the heat absorbing portion in the lower space of the insertion member corresponding to the inner circumference of the drain pipe, and inserting the insertion member to one side of the drain pipe. Therefore, the construction process of insertion and fixing becomes easy.

As described above, the apparatus for preventing the icing of the tunnel in and out of the tunnel and the construction method thereof use the leachate of the tunnel as a heat source, so there is no energy consumption, thus it is eco-friendly, minimizes the cost, and always freezes on the road surface. There is an effect that can be prevented.

In addition, since the endothermic portion of the freezing prevention device can be easily and firmly installed in the existing drain pipe through the insertion member, there is an effect that the effort and cost according to the facility can be minimized.

1 is a perspective view showing a state in which a device for preventing freezing of a tunnel entrance and exit according to the present invention is disposed in a tunnel.
Figure 2 is a perspective view showing a device for preventing freezing of the tunnel in and out in accordance with the present invention.
Figure 3 is a perspective view showing a state in which the insertion member of the anti-icing device of the tunnel entrance and exit in accordance with the present invention is coupled.
FIG. 4 is a front view illustrating a state in which an icing preventing device of the tunnel access road of FIG. 3 is inserted into a drain pipe.

Hereinafter, an apparatus for preventing icing into a tunnel entrance and exit and a construction method thereof according to the inventive concept will be described in more detail with reference to the accompanying drawings.

1 is a perspective view showing a state in which the frost protection device in the tunnel entrance and exit in accordance with the present invention is disposed in the tunnel, Figure 2 is a perspective view showing the frost protection device more specifically.

An apparatus for preventing freezing of a tunnel in and out according to the present invention basically includes a heat absorbing part 31 disposed inside the drain pipe 20 of the tunnel 10 and absorbing heat of the leachate discharged to the drain pipe 20. It is connected to the heat absorbing portion 31, and includes a heat generating portion 34 to prevent the freezing of the road surface to the tunnel entrance and exit flow through the ice freezing water absorbed the heat of the leachate in the heat absorbing portion (31).

The tunnel is a structure in which both sides communicate with each other while the inlet and the outlet form a semi-circle or ellipse shape, and the device for preventing freezing of the entrance / exit of the tunnel according to the concept of the present invention is a tunnel having various shapes and structures as long as it is a tunnel through which a person or a vehicle can pass. Can be applied to

The tunnel 10 has a shot concrete layer 11 cast on the rock wall by a shotcreating method, and a lining concrete layer 13 and the shot concrete layer 11 cast by formwork inside the shot concrete layer 11. ) And a waterproof sheet 12 interposed between the lining concrete layer 13 to guide the leachate permeated through the shot concrete layer 11 to the lower portion of the tunnel 10.

The drain pipe 20 is coupled to the lower side of the tunnel 10 to allow the leachate flowing along the waterproof sheet 12 to be discharged to the outside.

The drain pipe 20 may be disposed at both lower sides of the tunnel 10, or may be disposed along the lower center of the road surface of the tunnel 10. A part of the anti-icing device 30 to be described below is disposed in the interior of the drain pipe 20, if there are a plurality of drain pipe 20 may be disposed in all the drain pipe 20, may be disposed only in part.

The anti-icing device 30 is configured to include a pipe extending from the inside of the drain pipe 20 to the lower side of the road surface formed in the entry and exit of the tunnel 10, the inside of the drain pipe 20 is arranged in the heat of leachate The portion absorbing the heat is defined as the heat absorbing portion 31 and the portion that is disposed under the road surface to transmit heat is defined as the heat generating portion 34.

Leachate means groundwater or groundwater of the ground and discharged through the drain pipe 20, the leachate is higher than the road surface in winter because the specific heat is higher than the rock or soil constituting the ground .

Accordingly, in the concept of the present invention, by using the heat of the leachate to melt snow or ice on the road surface, there is an advantage that the temperature of the road surface can be maintained at all times without consuming energy for preventing freezing.

The anti-freeze water absorbing the heat of the leachate in the heat absorbing portion 31 flows through the heat generating portion 34 to transfer heat to the road surface and the temperature is lowered. The anti-icing water that has passed through the heat generating part 34 may be configured to be in communication with the drain pipe 20 again to be joined with the leachate flowing through the drain pipe.

At this time, the frost prevention water may utilize the leachate flowing from the inner wall side of the tunnel through the drain pipe (20).

As shown in FIG. 2, the anti-freeze water may have a separate flow path that is isolated from the flow path of the leachate, and in this case, the anti-freeze water that absorbs heat of the leachate through the heat absorbing part 31 may be a heat generating part. The anti-icing water which has been heat-exchanged at 34 and the temperature is lowered has a closed flow path which is returned to the endothermic section 31 and circulated.

The pipe constituting the frost preventing device 30 is configured to discharge heat from the discharge passage 32 and the heat generating portion 34 which form a flow path of the frost preventing water flowing from the heat absorbing portion 31 to the heat generating portion 34. Finished anti-icing water may further include an inflow passage 33 to form a flow path to the heat absorbing portion 31 again.

The freezing prevention device 30 may further include a circulation pump 35 for flowing the freezing prevention water circulated inside the freezing prevention device 30.

The circulation pump 35 is connected to a part of the flow path in which the pipe of the frost preventing device 30 is disposed, and the heat absorbing portion 31 receives the frost preventing water which has completed heat exchange in the heat generating portion 34 through a power source such as a motor. If the device can be reduced to a variety of pumps can be used.

In addition to the circulation pump 35 may further include a heat pump (not shown) that can increase the temperature of the anti-icing water, the heat pump is not sufficient heat exchange area with the leachate or for icing If a large amount of heat is consumed, heat transfer to the anti-freeze water at the same time as the leachate water to prevent the freezing of the road surface.

The heat absorbing portion 31 is preferably disposed in a zigzag shape inside the drain pipe 20 in order to secure the heat exchange area with the leachate to the maximum, the pipe itself forming the heat absorbing portion 31 may be made of a corrugated pipe shape. .

However, when the area for eliminating freezing of the entrance and exit of the tunnel 10 is relatively small and the length of the pipe forming the freezing prevention device 30 is relatively short, the heat absorbing portion 31 may be formed to be long in the longitudinal direction. Of course.

The heat absorbing portion 31 disposed inside the drain pipe 20 is preferably disposed below the drain pipe 20 in consideration of heat exchange when the amount of leachate is small.

In addition, the heat generating part 34 is buried under the road surface, as shown in FIGS. 1 and 2 may be arranged in a zigzag shape in the width direction of the road surface, it may be arranged in a zigzag shape along the longitudinal direction. .

The number of times the pipe is bent and the interval between the bent portions in order to achieve the zigzag shape of the heat generating part 34 may be selectively made according to the conditions of the road surface.

On the other hand, in order to fix the position by inserting the heat absorbing portion 31 in the drain pipe 20 of the existing tunnel 10 may be further included an insertion member (40).

3 is a perspective view illustrating the inserting member 40 in detail, wherein the inserting member 40 supports the heat absorbing portion 31 therein and is inserted into the inner circumferential side of the drain pipe 20 in a longitudinal direction so as to be coupled thereto. Consists of a long shape.

The insertion member 40 includes a ring member 41 and 42 fixed to the inner circumferential side of the drain pipe 20 and a support member 43 connecting the plurality of ring members 41 and 42 to each other in the longitudinal direction. .

The ring members 41 and 42 have an outer circumference shape corresponding to the inner circumference of the drain pipe 20, but the outer circumference of the ring member 42 is larger than the inner circumference of the drain pipe 20 in consideration of the insertion and fixing means. It may be made small.

Although the ring member 42 has a circular shape corresponding to the shape of the drain pipe 20 in the drawing, it may be formed in an arc shape so as to correspond to the lower portion of the drain pipe 20, or the shape of the drain pipe 20 Of course, it can be selected in various shapes.

Although only one ring member may be disposed, the ring member may be disposed at both ends of the insertion member 40 in consideration of shape retention and rigidity. In addition, one or more may be further disposed between the ring members 41 and 42 disposed at both ends in consideration of deflection of the intermediate portion.

A support member 43 may be further disposed to connect the ring members in the longitudinal direction, and the ring members may maintain the position and shape of the ring members 41 and 42 disposed substantially upright with respect to the drain pipe 20. A plurality of members 41 and 42 may be disposed along the circumferential direction.

The support members 43 may be arranged at equal intervals or vertically symmetrical in the circumferential direction of the ring members 41 and 42 in consideration of the balance of forces.

As described above, the heat absorbing portion 31 is preferably disposed below the inner wall of the drain pipe 20 in consideration of the flow of leachate, and the heat absorbing portion 31 is supported by the support member 43 disposed below. Can be.

The ring members 41 and 42 and the support members 43 constituting the insertion member 40 may be formed by cutting and bending the rebar in consideration of productivity.

However, the insertion member 40 may be formed integrally in a cylindrical shape, in which case the heat absorbing portion 31 may be coupled to the lower inner circumference of the insertion member 40.

Referring to the coupling process with the drainage pipe 20 of the tunnel 10 of the frost protection device 30 including the insertion member 40 as described above, the heat absorbing portion 31 in the interior of the insertion member 40 It is fixed to the lower side of the space to be formed, is coupled in such a way that is inserted into one end side of the drain pipe 20 from the other side of the insertion member (40). When the insertion member 40 is inserted such that one end of the insertion member 40 and one end of the drain pipe 20 approximately coincide with each other, the insertion member 40 and the drain pipe 20 are fixed through a separate fixing member 44. Can be.

One side of the fixing member 44 is fixed to the ring member 42, and the other side thereof is coupled to the drain pipe 20 to fix the position of the heat absorbing portion 31.

In the drawing, the example in which the fixing member 44 fixes only the ring member 42 and the drain pipe 20 disposed at one end side of the insertion member 40 is mutually fixed, but the ring member and the drain pipe disposed between the other end or both ends thereof are illustrated. 20 may be arranged to be connected.

The fixing member 44 may be disposed at substantially equal intervals along the circumferential direction of the ring member 42 so that one side may be coupled to the ring member 42 and the other side may be coupled to the inner circumferential surface of the drain pipe 20. It may be coupled to one end of the).

When the other side of the fixing member 44 is coupled to one end of the drain pipe 20 as described above, there is an advantage that can be simply coupled by inserting the bolt in the axial direction.

On the other hand, the fixing member 44 may be coupled to the support member 43, when the insertion member 40 is formed in a cylindrical shape may be made of a plate shape that is bent at one end.

Referring to the construction method of the frost preventing device according to the above concept, basically the step of coupling the heat absorbing portion 31 of the frost preventing device 30 to the insertion member 40, the insertion member 40 to the drain pipe of the tunnel (20) the step of inserting inside and the step of installing the heat generating portion 34 of the frost protection device on the road of the tunnel entrance and exit.

After inserting the insertion member 40 into the drainage pipe 20, it is preferable to fix the insertion member 40 through the fixing member at one end side of the drainage pipe 20 as described above.

On the other hand, as another construction method of the anti-icing device of the present invention, the first step of installing the heat absorbing portion 31 of the anti-icing device 30 below the inside of the drain pipe 20 of the tunnel and the heat generating portion ( 34) and the second step of installing on the road of the tunnel entrance and exit, and according to this concept it is possible to effectively prevent freezing even when the amount of leachate is small.

At this time, the first step is made by fixing the heat absorbing portion 31 in the lower space of the insertion member 40 corresponding to the inner circumference of the drain pipe 20, and inserting the insert member 40 to one side of the drain pipe. Can be.

As described above, the apparatus for preventing icing in and out of a tunnel in and out of the tunnel according to the present invention uses the leachate of the tunnel as a heat source, so there is no energy consumption, thus it is naturally friendly, and there is an advantage of preventing icing at all times.

In addition, since the insertion member can be easily and firmly installed on the existing drain pipe, there is an advantage that the effort and cost of the installation can be minimized.

In the foregoing, the present invention has been described in detail based on the embodiments and the accompanying drawings. However, the scope of the present invention is not limited by the above embodiments and drawings, and the scope of the present invention will be limited only by the content of the following claims.

10 ... tunnel 20 ... drain
30.Ice free device 31 ... heat absorbing part
34 Heating element 35 Circulation pump
40 ... insertion member 41, 42 ... ring member
43 supporting member 44 fixing member

Claims (13)

A heat absorbing part disposed inside the drain pipe of the tunnel and absorbing heat of the leachate discharged to the drain pipe;
A heat generating part connected to the heat absorbing part and preventing the freezing of the road surface by entering the tunnel entry and exit by allowing the ice preventing water, which absorbs heat of the leachate, to flow from the heat absorbing part; And
Includes; is fixed to the inside of the drain pipe, the insertion member for supporting the heat absorbing portion;
The insertion member,
A plurality of ring members fixed to an inner circumferential side of the drain pipe;
A support member for connecting the plurality of ring members in a longitudinal direction; And
And a fixing member connecting the insertion member and the drain pipe.
The insertion member is inserted into and coupled in the longitudinal direction at one end of the drain pipe,
And the heat absorbing portion is mounted to a support member disposed below the ring member so that the heat absorbing portion can be disposed below the drain pipe.
The method of claim 1,
The endothermic portion is formed in a zigzag shape so as to increase the heat transfer area of the leachate water tunnel prevention device. The method of claim 1,
And a circulation pump configured to circulate the anti-icing water between the heat absorbing portion and the heat generating portion.
The method of claim 1,
The fixing member, one side is coupled to the ring member disposed on one end side of the insertion member, the other side is connected to the one end of the drain pipe, the freezing prevention device to the tunnel entrance.
In the method of constructing a device for preventing frost on the tunnel entry and exit of claim 1,
Coupling the heat absorbing portion to the insertion member;
Inserting the insertion member into the drain pipe;
Fixing the insertion member through a fixing member at one end of the drain pipe; And
Installing the heating unit on the road of the tunnel entrance and exit;
Construction method of the frost prevention device to the tunnel entrance and exit characterized in that it comprises.
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