KR100389531B1 - water proofing method by water proofing tube and water proofing tube of an underground structures - Google Patents

Abstract

OBJECT: The present invention provides a waterproofing method and a waterproofing tube by a waterproofing tube of an underground structure that can be backfilled after verifying the waterproofing performance of the waterproofing structure of the structure body when constructing an underground structure by an open construction method.

Composition: The present invention is a process of placing the ground concrete (1) by attaching the ground surface to the required depth, the plate-shaped waterproof tube (5, 7) having a waterproof verification space 11 on the upper surface of the foundation concrete (1) 9) the process of connecting and installing continuously, the step of installing the structure body 3 above the waterproof tube (5, 7, 9), the waterproof tube (5) to be in close contact with the outer wall and the slab of the structure body (3) ) To continuously connect another waterproof tube (7, 9) to the structure body, injecting compressed air into the waterproof verification space (11) of the waterproof tube (5, 7, 9) to check the waterproof performance Process, the process of releasing air to the waterproof tube (5, 7, and 9) whose performance is proven, replacing and injecting epoxy resin, and backfilling the structure body (3), wherein the waterproof tube (5) is used. (7,9) forms a waterproof verification space 11 and its outer periphery is attached to the inner plate 13 of the elastic Injecting and discharging air into the plate 15, the plurality of gap retaining seams 17 and the waterproof verification space 11 so as to connect the inner plate 13 and the outer plate 15 with each other so as not to be spaced apart by a predetermined interval or more, and the waterproofing liquid The first and second attachment pieces 19 and 21 attaching the valve 25 and the inner and outer plates 13 and 15 adjacent to the valve 25 and the inner and outer plates 13 and 15 provided to enable the injection of the inner and outer plates 13 and 15, respectively. It consists of.

Effect: Since the present invention is constructed in a structure that surrounds the structure body by connecting the waterproof tube having a waterproof verification space continuously, it is possible to verify the waterproof performance before refilling when constructing the underground structure by the opening method, thus preventing the occurrence of defects for waterproofing By preventing it, the cost of repairing defects can be reduced, and the durability and safety of the structure body can be improved.

Description

Water proofing method by water proofing tube and water proofing tube of an underground structures

The present invention is a waterproof construction method and waterproof tube by the waterproof tube of the underground structure to waterproof underground structures, especially underground structures that are installed underground, such as underground construction, underground pumps, underground pumps connecting the buildings between the building It is about.

In recent years, many underground structures have been constructed in major cities around the country for subway construction, underground parking lots, and underground passages connecting buildings. This underground structure requires waterproofing of the foundation floor, side walls and ceiling slabs in order to utilize the interior space suitable for its use.

The waterproofing performance of the underground structure depends not only on the durability and safety of the underground structure, but also on the cost of repairing the leak and the secondary repair derived from the leak.

Nevertheless, when constructing the underground structure constructed by the opening method, after the waterproofing treatment for the underground structure, the underground structure is completely filled without any performance verification of the waterproofing performance.

This is a systematic problem in which the waterproofing performance of underground structures cannot be verified before refilling due to the nature of the open construction method. However, the reliability of the waterproofing method is degraded anyway, and if a defect occurs in the waterproofing after construction of the underground structure, It increases the cost of repairing and lowers the durability of underground structures due to corrosion by groundwater containing a large amount of metal such as iron or manganese.

The present invention has been made in view of the above-mentioned problems, when constructing the underground structure by the opening method, after verifying the waterproof performance to finish the construction to improve the reliability of the waterproof, preventing the occurrence of defects in the underground structure in advance. The purpose of the present invention is to provide a waterproofing method and a waterproof tube by the waterproof tube of the underground structure, which reduces the cost of repair and improves the durability and stability of the underground structure.

The purpose is to attach the concrete to the ground at a certain depth and lay the foundation concrete on the floor,

A step of continuously connecting and installing a plate-shaped waterproof tube having a waterproof verification space on an upper surface of the foundation concrete formed by the process;

Installing a structure body with concrete on the waterproof tube installed in the process;

Wrapping the structure body by continuously connecting another waterproof tube to the waterproof tube so as to be in close contact with the outer wall and the slab of the structure body installed by the process;

Injecting compressed air into the waterproof verification space of the waterproof tubes continuously installed by the process to check waterproof performance;

Extracting air into the waterproof tube whose performance is verified by the process and replacing and injecting a waterproofing liquid such as an epoxy resin;

After completing the waterproofing treatment of the structure body by the above process, it can be realized by the backfilling process.

The process of connecting and installing the waterproof tube is a process of attaching adjacent sides of the adjacent waterproof tube facing each other,

Attaching the opposite side of the waterproof tube adjacent to one side of the waterproof tube to the first attachment piece at the structure body side;

On the opposite side of the structure body, a step of attaching the opposite side of the waterproof tube adjacent to one side of the waterproof tube with a second attachment piece to form another waterproof verification space.

In the waterproof performance checking process, it is preferable to inject a mixture of harmless gas having a specific color into the air to facilitate the confirmation of leakage of air that may occur in a specific portion of the waterproof tube.

On the other hand, the waterproof tube applied to the underground structure of the open construction method has a configuration that ultimately facilitates waterproof construction, and improves the reliability of the waterproof performance by verifying the waterproof performance of the constructed waterproof tube in advance and then backfilling it. .

To this end, the waterproof tube of the present invention is formed of an elastic inner plate and an outer plate, the outer circumference of which is attached to each other to form a waterproof verification space therein,

A gap retaining shim connecting the inner plate and the outer plate to each other at various positions in the waterproof verification space so that the inner plate and the outer plate are not separated from each other by a predetermined interval or more

A valve provided in the outer plate to enable the injection and discharge of air and the injection of a waterproofing liquid such as an epoxy resin into the waterproofing verification space forming a plate by the gap retaining shim,

A first attachment piece for attaching the inner plate and the inner plate adjacent to each other,

And a second attachment piece that attaches the outer plate adjacent to the outer plate to form another waterproof verification space between the outer plate and the adjacent outer plate.

The first attachment piece may be integrally formed on opposite sides of the inner plate, respectively.

The first attachment piece may be integrally formed on the inner plate, and the second attachment piece may be integrally formed on the outer plate opposite to the first attachment piece, respectively.

The second attachment piece may be integrally formed on opposite sides of the outer plate, respectively.

1 is a longitudinal sectional view of an underground structure to which a waterproof tube according to the present invention is applied.

FIG. 2 is a longitudinal sectional view of the first type of waterproof tube of FIG. 1. FIG.

3 is a longitudinal cross-sectional view of a second type of waterproof tube of FIG. 1;

4 is a longitudinal cross-sectional view of the third type of waterproof tube of FIG. 1.

5 is a longitudinal sectional view of a valve applied to the waterproof tube.

6 is a perspective view of an underground structure waterproofed by waterproof tubes of the first, second and third types.

7 is a plan view in an expanded state in which the first, second, and third types of waterproof tubes are connected.

8 is a longitudinal sectional view taken along the line A-A of FIG.

9 is a longitudinal cross-sectional view taken along line B-B of FIG. 7.

10 is a plan view in which the waterproof tube of another embodiment is opened.

FIG. 11 is a longitudinal cross-sectional view taken along the line C-C of FIG. 10.

* Description of the symbols for the main parts of the drawings *

5,7,9,43: waterproof tube 11,23: waterproof verification space

13: inner board 15: outer board

17: space | interval retaining shim 19: 1st attachment piece

21: second attachment piece 25: valve

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

1 is a longitudinal cross-sectional view of the underground structure to which the waterproof tube according to the present invention is applied, and has a configuration in which the structure body 3 installed on the foundation concrete 1 is wrapped with the waterproof tubes 5, 7, and 9. Such a structure is preferably formed so as to surround each layer when the structure body 3 forms a double layer underground. This waterproof tube (5, 7, 9) is basically configured to facilitate the waterproof construction of the structure body (3), as well as to verify the waterproof performance after the waterproof construction.

The foundation concrete 1 is formed by excavating the foundation of the structure body 3 to a solid ground and casting concrete directly on the ground, and should have sufficient rigidity to safely support the structure body 3 in the ground.

The structure body (3) to be built on the foundation concrete (1) may be composed of cast in place, but may be composed of precast concrete that can shorten the air because the factory is made of reinforced concrete and assembled in the field to build .

On the other hand, the waterproof tube (5,7,9) is installed on the base concrete (1) and has a waterproof verification space 11 inside it to be waterproof, so that the structure body (3) by the construction method to build a waterproof After treatment, the waterproof performance of the body 3 of the structure is verified and appropriate measures can be taken if water-resistant failure is identified before refilling.

2, 3 and 4 illustrate a waterproof tube 5, 7, 9 which makes it possible to take such measures. The waterproof tubes 5, 7, and 9 have a waterproof verification space 11 therein for allowing air to be injected and discharged or to inject a waterproofing liquid such as an epoxy resin. Its outer circumferential surface is formed by the elastic inner plate 13 and outer plate 15 attached to each other, the inner plate 13 and the outer plate 15 is connected in a structure that is not spaced apart by a predetermined interval by the gap retaining core 17 do. Thus, the waterproof tubes 5, 7, and 9 are formed of plate-shaped tubes having a constant thickness. This plate-shaped waterproof tube (5,7,9) enables multiple waterproofing processes such as application of the waterproof sheet and the waterproofing liquid in one process such as connection of the waterproof tube (5,7,9). 3) to facilitate the waterproofing process, and the waterproof verification space (11) injects compressed air after waterproofing to check the waterproofing performance, and in case of poor waterproofing, the waterproofing tubes (5, 7, and 9) can be replaced. To be.

The waterproof tube 5, 7, 9 has the same waterproof structure as the inner and outer plates 13, 15 side of the waterproof tube 5, 7, 9 even in the connection portion between adjacent waterproof tubes 5, 7, 9. To illustrate the three types, each having a different shape to form a.

The waterproof tube 5 of FIG. 2 is installed on the lower side of the structure main body 3 in FIG. 1, and illustrates that the first attachment piece 19 extends on both sides of the inner plate 13. These first attachment pieces 19, 19 are located on the structure body 3 side when connected to other types of waterproof tubes 7, 9. In other words, one side of the first attachment pieces 19 and 19 is attached to the outer wall of the structure main body 3, and the other side is attached to the inner plate 13 of the waterproof tubes 7 and 9, respectively.

The waterproof tube 7 of FIG. 3 is installed on the left and right sides of the structure main body 3 in FIG. 1, wherein the first attachment piece 19 is on one side of the inner plate 13, and the second attachment piece 21 is on the outer plate. It illustrates what was extended each other side of (15). When this waterproof tube 7 is connected to the same type of waterproof tube 7 and another type of waterproof tube 9, the first attachment piece 19 is on the side of the structure body 3, the second attachment piece ( 21 are respectively located on opposite sides of the structure body 3. That is, since the first attachment piece 19 is attached to the same structure as the waterproof tube 7 of FIG. 2 to perform the same function, detailed description thereof will be omitted, and the second attachment piece 21 may have another waterproof verification space ( 23 is formed and attached to the outer plate 15 of the adjacent waterproof tube 5, 7. This waterproof verification space 23 has the same waterproof effect as the inner and outer plates 13 and 15 with the waterproof verification space 11 at the side connection portions of the waterproof tubes 5, 7, and 9, respectively. will be.

The waterproof tube 9 of FIG. 4 is installed on the upper side of the structure main body 3 in FIG. 1, and illustrates that the second attachment piece 21 extends on both sides of the outer plate 15. These second attachment pieces 21, 21 are located opposite the structure body 3 when connected to other types of waterproof tubes 5, 7. That is, since the second attachment pieces 21 and 21 are attached in the same structure as the waterproof tube 7 of FIG. 3 and have the same function, detailed description thereof will be omitted.

The waterproof verification space 11 of the waterproof tube 5, 7, 9 and the other waterproof verification space 23 formed by the second attachment piece 21 are blown with compressed air for waterproof verification. After the performance is confirmed and taken out, the valve 25 which allows the waterproofing liquid to be injected again is provided in the outer plate 15 and the second attachment piece 21, respectively.

5 is an embodiment of such a valve 25, which is fixed to the outer plate 15 and the second attachment piece 21 forming the waterproof verification spaces 11 and 23 by inner and outer bolts 27 and 29. Since the rubber band 39 controls the opening and closing of the outer body 31 and the hole 37 inserted into the outer body 31 and fixed by the cap 33 and connected to the inner passage 35, air is injected. And an inner body 41 to enable discharge and injection of the waterproofing liquid. The valve 25 is not limited to this configuration, and various ones may be used depending on the site situation where the underground structure is installed.

FIG. 6 illustrates an underground structure constructed on the foundation concrete 1 by waterproofing the structure body 3 using a waterproof tube 5, 7, 9 configured as described above. At this time, the waterproof tubes 5, 7, and 9 are interconnected with other waterproof tubes 5, 7, and 9 adjacent to each other, and the connection part also forms a waterproof verification space 23.

FIG. 7 is a plan view showing the connection of the waterproof tubes 5, 7, and 9, and FIGS. 8 and 9 are cross-sectional views and longitudinal cross-sectional views taken along the lines A-A and B-B of FIG. That is, the waterproof tubes 5, 7, and 9 form the waterproof verification space 11 by the inner and outer plates 13 and 15, and the other waterproof verification space 23 by the second attachment piece 21, respectively. Doing. The waterproof tubes 5, 7, and 9 forming the waterproof verification spaces 11 and 23 are connected in the same structure, which is repeated in left and right directions. In particular, FIG. 9 illustrates a portion where the waterproof verification space 23 is formed by the attachment piece 21. This waterproof verification space 23 makes it possible to check the waterproof performance of the connection portion of the waterproof tubes 5, 7, and 9.

FIG. 10 is a plan view of the waterproof tube 43 connected to another embodiment, and FIG. 11 is a cross-sectional view taken along line CC of FIG. 10, and its overall configuration is the same as that of the waterproof tube 5, 7, 9. Only the other parts are explained. That is, the waterproof tube (5, 7, 9), the first and second attachment pieces (19, 21) are integrally formed on the inner plate 13 or the outer plate 15, the waterproof tube 43 of the present embodiment There is a difference that the first and second attachment pieces 19 and 21 are formed independently of the inner plate 13 or the outer plate 15. Accordingly, the first attachment piece 19 is mutually attached to the inner plates 13 and 13 adjacent to the structure main body 3 side, and the second attachment piece 21 is adjacent to the outer plate 15 adjacent to the structure main body 3. 15 is attached while forming the waterproof verification space 23.

Referring to the construction method of waterproofing the underground structure with a waterproof tube (5, 7, 9 or 43) is configured and connected as described above are as follows.

First, the ground surface of the position where the underground structure is to be built is attached to a predetermined depth, and the foundation concrete 1 is poured.

Before installing the structure main body 3 on the solidified foundation concrete 1, a waterproof tube 5 connected in the longitudinal direction of the structure main body 3 is first installed to waterproof the bottom of the structure main body 3. Connecting and installing the waterproof tube 5 as described above simplifies the waterproofing process for the bottom of the structure body 3.

The structure body 3 is installed on the waterproof tube 5 installed as described above. The structure body 3 may be constructed by site casting, but it is preferable that the structure body is constructed of a precast concrete structure manufactured in a factory to reduce work man-hours and reduce air.

In order to waterproof the side and the upper surface of the structure body 3, it is installed so as to completely surround the structure body (3) by continuously connecting the other type of waterproof tube (7, 9) to the waterproof tube (5). At this time, the waterproof tube (5, 7, 9) is in close contact with the outer surface of the structure body 3 by the inner plate (13).

On the other hand, the process of connecting the waterproof tube (5, 7, 9) can be divided into three processes, the first process is to attach the sides of the adjacent waterproof tube (5, 7, 9) adjacent to each other, The second is to attach the opposite side of the waterproof tube (5,7,9) adjacent to one side of the waterproof tube (5,7,9) on the structure body (3) side with the first attachment piece (19). 2 Attach the opposite side of the waterproof tube 5, 7, 9 to one side of the waterproof tube 5, 7, 9 from the opposite side of the structure body 3 while forming the waterproof verification space 23 with the attachment piece 21. It is.

In order to verify that the waterproof tubes 5, 7, and 9, which are connected and closely installed to the structure main body 3, have a waterproof performance with respect to the structure main body 3, the respective waterproof verifications are performed through the valve 25. Compressed air is injected into the spaces 11 and 23.

At this time, if the injected compressed air leaks, it is necessary to replace the waterproof tubes (5, 7, and 9) for the portion. Otherwise, the air is removed, the waterproof liquid is injected again into the waterproof verification space (11, 23), and then backfilled. do. It is desirable to use a mixture of air of a specific color to make it easier to see leaks of compressed air. The waterproofing liquid injected into the waterproofing tubes 5, 7, 9, together with the waterproofing tubes 5, 7, 9, improves the waterproofing performance of the structure body 3, and in particular, as the time progresses, the waterproofing tubes 5, 7, 9 Even when) is aged, the coagulated waterproofing liquid will continue to be waterproof.

As described above, the present invention is constructed as a structure surrounding the structure body by continuously connecting a waterproof tube having a waterproof verification space therein, so that the waterproofing process is performed several times without any verification of the waterproof construction. Unlike the conventional technology of backfilling, not only waterproof construction is easy but also the waterproofing performance is verified beforehand to refill the underground structure, thereby improving the reliability of the waterproofing method and air injected into the waterproof verification space. By removing the water and reinjecting the waterproofing liquid, it is possible to maintain excellent waterproofing ability even if the waterproofing tube is damaged over time. Moreover, as the waterproofing liquid injected into the waterproofing verification space coagulates with the waterproofing tube, The waterproofing layer consists of the waterproofing ability to be further strengthened To bend.

Therefore, the present invention can prevent the occurrence of defects on the waterproofing of the structure body in advance to reduce the cost of repairing the defect, and can also improve the durability and safety of the structure body.

Claims (8)

Attaching to the required depth from the ground surface and placing the foundation concrete on the floor, A step of continuously connecting and installing a plate-shaped waterproof tube having a waterproof verification space on an upper surface of the foundation concrete formed by the process; Installing a structure body in concrete on the waterproof tube installed in the process; Installing and connecting another waterproof tube continuously to the waterproof tube so as to be in close contact with the side wall and the upper surface of the slab of the structure body installed by the process; Injecting compressed air into the waterproof verification space provided inside the waterproof tubes continuously installed by the process to check waterproof performance; Removing the air into the waterproof tube whose performance has been verified by the process, and injecting a waterproof liquid instead; Waterproofing method by the waterproof tube of the underground structure comprising the step of backfilling after the waterproofing of the structure body by the above process. According to claim 1, The step of connecting and installing the waterproof tube is a step of facing the sides of the waterproof tube adjacent to each other, Attaching an opposite side of the waterproof tube adjacent to one side of the waterproof tube to the first attachment piece on the structure body side; A step of attaching an opposite side of the waterproof tube adjacent to one side of the waterproof tube with a second attachment piece on the opposite side of the structure main body to form another waterproof verification space on the side attachment portion of the waterproof tube facing each other; Waterproofing method by waterproof tube of underground structure. The waterproofing method of claim 1, wherein the waterproofing performance checking process mixes and injects a gas of a specific color into the air to easily check the leakage of the air injected into the waterproofing verification space. Method. In the waterproof tube having a waterproof verification space and connected continuously and close to the outer wall of the structure body by the mounting method to realize waterproofing, Elastic inner and outer plates that the outer periphery is attached to each other to form the waterproof verification space therein, A plurality of gap retaining shims that connect the inner plate and the outer plate to each other in the waterproof verification space so that the inner plate and the outer plate are not separated by a predetermined interval or more; The valve is provided in the outer plate to enable the injection and discharge of air and the injection of the waterproofing liquid into the waterproof verification space to form a plate by the gap retaining seam, A first attachment piece for attaching the inner plate adjacent to the inner plate, And a second attachment piece respectively attaching the outer plate adjacent to the outer plate. The waterproof tube according to claim 4, wherein the first attachment piece is integrally provided on opposite sides of the inner plate, respectively. The waterproof tube according to claim 4, wherein the second attachment piece is integrally provided on opposite sides of the outer plate, respectively. The waterproof tube according to claim 4, wherein the first attachment piece is integrally provided with the inner plate, and the second attachment piece is integrally provided with the outer plate opposite to the first attachment piece, respectively. The waterproof tube according to claim 4, wherein the second attachment piece forms another waterproof verification space at an attachment portion of the adjacent outer plate, and the valve is installed in the waterproof verification space.