JPS5961700A - Waterproof apparatus of tunnel - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to a tunnel waterproofing device.

Conventionally, various proposals have not been made regarding waterproofing devices for tunnels, and although there are some that have not yet been implemented, the present invention is easy to implement, and after the construction is completed, cleaning work can be carried out easily if necessary. It was created with the sole purpose of proposing a waterproofing device for tunnels that can prevent leakage of water around tunnel lining points such as joints in tunnel lining or cracks that occur in tunnels. Waterproof seat rack with sufficient width for easy removal and watertight fasteners attached at appropriate locations.
The water leakage point is covered and the watertight sheet is pasted at appropriate intervals from the surface of the tunnel so that it forms a gutter. The main feature is that it communicates with the inside of the tunnel.

That is, the inventor of the present invention previously proposed that watertight fasteners should be installed at appropriate locations to eliminate joint loss in tunnel lining, not only around cracks that occur in the tunnel, but also in wide groove-like defects. The inventor has invented a waterproofing device for a tunnel that is watertightly attached to a tunnel by covering the defect and allowing the defect to communicate with the inside of the tunnel when the watertight fastener is opened. be. According to this invention, tunnels can be well waterproofed, but there must be defects.
Therefore, in the present invention, the installation position of the waterproof sheet is separated from the tunnel surface, and the attached waterproof sheet is removed together with the sealing material. By forming a gutter,
Overall, the work can be easily removed.

Next, an example of implementation of the present invention will be explained with reference to the drawings.

1 is a crack that has occurred in the tunnel T, and 2 is a waterproof material made of a neoprene rubber sheet or the like that is sufficiently wider than the crack 1 and can cover the core, and has watertight fasteners F installed at appropriate locations along its length. The waterproof sheet 2 is made to completely cover the crack 1, and a watertight inclusion of an appropriate height is interposed between both sides of the waterproof sheet 2 and the surface of the tunnel t. It is attached to the tunnel t watertightly, but when attaching to the tunnel t, holes hy for anchor bolts are inserted in the tunnel t in two rows at appropriate intervals so as to sandwich the crack 1. 2. Make a hole and apply a sealing material such as butyl rubber on top of it. Sealing material such as chloroprene 4. A waterproof, water-resistant indirect material 5 and a sealing material 6 such as butyl rubber are laminated in sequence, and both sides of the waterproof sheet 2 are placed on the sealing material 6, and then a presser plate made of FRP or the like is placed on the waterproof sheet 2. 7, and then a washer 8 made of butyl rubber or the like is placed on the plate 7. With the flat washer 9 fully installed, drive the anchor bolt 11 with the anchor plug 10 attached to the tip into the hole, and expand the anchor plug 10 by screwing in the anchor bolt 11. If the waterproof sheet 2 is brought into pressure contact with the peripheral wall of the entire hole, the waterproof sheet 2 can be firmly and watertightly attached to the tunnel t.

In the tunnel waterproofing device of the present invention configured as described above, a waterproof gutter is formed between the waterproof sheet 2, the sealing material, and the indirect material, so that water does not leak from the crack 1 of the tunnel t. However, water passes through this node and is discharged to the outside.
There is almost no chance of water leaking into the tunnel.

In addition, if the above-mentioned waterproofing device is left as it is for a long time, leakage water scale, foreign substances that get mixed into the water, microorganisms that breed, etc. may be deposited on the tunnel wall surface around the crack 1 or on the waterproof sheet 2. This does not mean that the water will not flow properly due to adhesion and accumulation on the water, or that the waterproof gutter will no longer be able to function as a water passage.
Since there is a possibility that a strange odor may linger inside the tunnel, it is best to open the watertight zipper periodically or at an appropriate time to clean and remove all the deposits.

In addition, if there is a possibility of water leaking from the anchor bolt hole for attaching the waterproof sheet 2 provided in the tunnel, connect the two waterproof sheets so that the water leakage part of the tunnel is sufficiently wide. Separately install a separate watertight fastener on one side, then turn it all over and make the non-fastener side watertight with an anchor bolt using a sealing material or the like so as to sandwich the water leakage area with the fastener side facing outward. The sheet may be attached to a tunnel, then turned over and closed with a watertight zipper to form a gutter-like shape.

The present invention is as described above, and includes watertight fasteners attached to appropriate locations in a sufficiently wide area around water leakage points in tunnels, such as joints in tunnel lining or cracks that occur in tunnels. Seatler, covering the water leakage point and affixing it at an appropriate distance from the tunnel surface in a water-tight manner,
Since the waterproof sheet forms a gutter and the water leakage point communicates with the inside of the tunnel when the watertight fastener is opened, the construction work is easy and cleaning work can be carried out as needed after the construction is completed. Since it is easy to carry out, it is extremely suitable as a waterproofing device for tunnels.

4. An additional related invention is the above-mentioned waterproof seat ladle, which has groove-like defects wider than the joints of the tunnel ladder or around the cracks that have occurred in the tunnel, and has watertight fasteners attached at appropriate locations. The fastener is watertightly attached to the tunnel by covering the defect and allowing the defect to communicate with the inside of the tunnel when the watertight fastener is opened. Since it is not easy to provide a groove-shaped defect wider than the gutter around the gutter, the present invention does not provide the above-mentioned defect, but instead installs a waterproof sheet at an appropriate distance from the tunnel surface and adheres it in a watertight manner. It is designed to fulfill the role of

[Brief explanation of drawings]

The drawings show an example of the implementation of the present invention; FIG. 1 is a front view of a part of the main part, and FIG. 2 is an enlarged cross-sectional view. t...Tunnel, 1...Crack generated in the tunnel,
2... Waterproof sheet, 3, 4, 6... Seal material, 5.
... Indirect material, 7... Holder, 10... Anchor plug, 11... Anchor bolt agent Kogai Ryo Japanese Mei Kuni

Claims (1)

[Claims] Joints in tunnel lining or cracks in tunnels, etc.
Around the water leakage point of the tunnel, a waterproof sheet lamination with a sufficiently wide width and watertight fasteners attached at appropriate places should be attached to cover the water leakage point and at an appropriate distance from the surface of the tunnel in a watertight manner. A waterproofing device for a tunnel, characterized in that the waterproof sheet forms a gutter so that the water leakage point communicates with the inside of the tunnel when the watertight fastener is opened.