Waterproof construction

The waterproof structure for rail laying areas uses conforming waterproof blocks and fixing members to create a stable watertight seal, addressing the issue of water leakage in rail gaps during floods.

JP7872182B2Active Publication Date: 2026-06-09SANWA SHUTTER CORP

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
SANWA SHUTTER CORP
Filing Date
2022-06-28
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing waterproofing solutions for rail laying areas, such as using sandbags or waterproof blocks, fail to effectively seal the gaps between the rail and surrounding structures, leading to water leakage during floods.

Method used

A waterproof structure that includes a rail sandwiched by a housing, with waterproof blocks that conform to the rail's shape and are fixed in place using pressing means to ensure tight contact, and a fixing member to secure the blocks, forming a watertight seal.

Benefits of technology

The solution effectively seals the gaps between the rail and surrounding structures, preventing water ingress and ensuring a stable watertight state even under flood conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a waterproof structure capable of preventing water intrusion at a rail laid area.SOLUTION: A waterproof structure includes: a rail 1; a frame that is erected to sandwich the rail 1 from both sides; a waterproof block 4 that closes a gap between a side surface 1' of the rail 1 and the frame; and a fixing member 5 that is provided on the frame and fixes the waterproof block 4 in a water-tight state. The waterproof block 4 includes a first surface (inner front surface 40) with a shape that matches the side surface 1' of the rail 1. The fixing member 5 has first pressing means that presses the first surface of waterproof block 4 tightly against the side surface 1' of the rail 1.SELECTED DRAWING: Figure 7
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Description

Technical Field

[0001] The present invention relates to a waterproof structure, and more particularly to a waterproof structure in a laying portion of a rail.

Background Art

[0002] In recent years, typhoons and guerrilla heavy rains due to weather changes have occurred frequently, and the occurrence of flood damage caused by river floods and inland water inundation has been increasing. Usually, when closing a building opening in a water-stop state to prevent water from entering the interior, a preventive door is installed at the building opening. However, when it is desired to prevent inundation in a portion where a rail is laid (for example, when it is desired to prevent inundation in a vehicle base for storing trains), since the rail exists on the ground, it is difficult to form a waterproof structure with a door body. Patent Document 1 discloses a sliding-type moisture-proof door, but there is a risk of water entering through the gap between the road surface rail and the rail for the door body to travel or from the lower end of the door body.

[0003] Conventionally, sandbags have been stacked adjacent to the rail to take waterproof measures, but a gap inevitably occurs between the sandbag and the rail, resulting in water leakage. Instead of sandbags, it is conceivable to use so-called waterproof blocks to block the side of the rail, but water leakage may occur due to a slight error in the shape of the rail or the shape of the waterproof block.

Patent Document 1

Disclosure of the Invention

Problems to be Solved by the Invention

[0004] An object of the present invention is to prevent inundation in a laying portion of a rail.

Means for Solving the Problems

[0005] The technical means adopted by the present invention is a rail, a housing erected so as to sandwich the rail from both sides, A waterproof block that seals the gap between the side of the rail and the structure, A fixing member provided on the aforementioned structure for fixing the waterproof block in a watertight state, It consists of, The waterproof block has a first surface having a shape that conforms to the side surface of the rail, The fixing member includes a first pressing means for pressing the first surface of the waterproof block against the side surface of the rail in close contact. It is a waterproof structure for rails. In one embodiment, the fixing member is provided on the outer visible surface of the frame.

[0006] In one embodiment, the waterproof block has a second surface facing the outer surface of the structure, The fixing member includes a second pressing means for pressing the second surface of the waterproof block against the building structure in close contact.

[0007] In one embodiment, the waterproof block comprises the first surface which is the inner surface and the outer surface which is spaced apart from the rail, The first pressing means comprises a first operating unit and a first pressing body that presses the outer surface in conjunction with the operation of the first operating unit.

[0008] In one embodiment, the waterproof block comprises the second surface which is the inner surface and the outer surface which is spaced apart from the outer surface of the structure. The second pressing means comprises a second operating section and a second pressing body that presses the inner surface in conjunction with the operation of the second operating section.

[0009] In one embodiment, a positioning member for the fixing member is provided at a predetermined position on the outer surface. By positioning and fixing the fixing member, the waterproof block is properly pressed by the first pressing means as designed, so that the first surface of the waterproof block is in close contact with the side of the rail, and a stable watertight state can be obtained.

[0010] In one embodiment, the rail comprises, in cross-sectional view, a head having a first width dimension, a leg having a second width dimension greater than the first width dimension, and a narrow rising portion extending between the head and the leg. The side surface of the rail consists of a substantially vertical upper portion, an inclined lower portion, a substantially vertical intermediate portion, an upper curved portion between the upper portion and the intermediate portion, and a lower curved portion between the lower portion and the intermediate portion. The first surface of the block body has a shape that conforms to the side surface of the rail, the radius of the upper curved portion of the first surface of the block body is smaller than the radius of the upper curved portion of the rail, and the radius of the lower curved portion of the first surface is smaller than the radius of the lower curved portion of the rail. The watertight member forming the first surface of the waterproof block is compressed between the side surface of the rail and the first surface of the block body.

[0011] In one embodiment, the waterproof block comprises a first surface that is in close contact with the side surface of the rail, a second surface that is in close contact with the outer visible surface of the upright portion of the structure, and a third surface that is in close contact with the floor surface of the structure. In one embodiment, the waterproof block comprises a block body and a watertight member that is softer than the block body and provided on at least a portion of the surface of the block body. The first, second, and third surfaces of the waterproof block are each made up of watertight members provided on the first, second, and third surfaces of the block body, respectively. In one embodiment, the third surface of the waterproof block is formed from a material that has higher sliding properties than the first and second surfaces.

[0012] In one embodiment, a rail laying section includes a rail, a frame having an upright section that is approximately the same height as the rail and sandwiches the rail from both sides, and a floor surface on which the rail is placed, A waterproof block is provided, comprising a first surface that adheres closely to the side of the rail, a second surface that adheres closely to the outer visible surface of the upright portion of the structure, and a third surface that adheres closely to the floor surface of the structure. The step of closing the gap between the side surface of the rail and the housing by the waterproof block is as follows: The step of pressing the third surface against the floor surface; The step of pressing the first surface against the side surface of the rail by the first pressing means; The step of pressing the second surface against the outer finding surface of the standing portion by the second pressing means; It consists of:

Advantages of the Invention

[0013] In the present invention, the waterproof block has a first surface with a shape adapted to the side surface of the rail, and by pressing the first surface of the waterproof block against the side surface of the rail in a close contact state by the first pressing means of the fixing member, the gap on the side surface of the rail can be sealed to obtain a good watertight structure.

Brief Description of the Drawings

[0014] [Figure 1] It is a plan view showing the state before forming the waterproof structure. [Figure 2] It is a front view showing the state before forming the waterproof structure. [Figure 3] It is a plan view showing the state after forming the waterproof structure. [Figure 4] It is a front view showing the state after forming the waterproof structure. [Figure 5] It is a partially enlarged view of FIG. 3. [Figure 6] It is a view showing the state in FIG. 3 with the water stop panel removed. [Figure 7] It is a view showing the state in FIG. 6 with the upper cover removed. [Figure 8] It is a partially enlarged view of FIG. 4. [Figure 9] It is a cross-sectional view showing the close contact state between the side surface of the rail and the waterproof block. [Figure 10] It is a partially enlarged view including the central support column in FIG. 3. [Figure 11] It is a cross-sectional view taken from the arrow A direction in FIG. 5 (with the rail removed). [Figure 12]This is a magnified section of Figure 11. [Figure 13] This is a partially enlarged view of the cross-section as seen from the direction of arrow B in Figure 5. [Figure 14] This is a partially enlarged view of the cross-section as seen from the direction of arrow C in Figure 5. [Figure 15] This is a partially enlarged view of the cross-section as seen from the direction of arrow D in Figure 5. [Figure 16] This is a magnified view of a portion of Figure 15. [Figure 17] This is a reference diagram similar to Figure 16. [Figure 18] This is a diagram showing a waterproof block. [Figure 19] This is a diagram showing the block body of a waterproof block. [Figure 20] This is a diagram showing the fixing members. [Figure 21] This is a diagram showing the top lid. [Figure 22] This is a diagram showing the positioning member for the fixing member. [Modes for carrying out the invention]

[0015] [A] Components of a waterproof structure [A-1] Overall configuration This embodiment relates to a waterproof structure for the rail laying section. As shown in Figures 1 to 4, a pair of rails 1 are laid parallel to each other, and a waterproof structure is removablely installed at predetermined positions along the length of the rails 1. Some elements of the waterproof structure according to this embodiment are permanent elements that are permanently installed as a frame (frame bottom surface 2, support 3, side wall 9). By installing the assembleable and disassembleable elements that constitute the waterproof structure onto the permanent elements, a dike (waterproof block 4, top cover 6, water-stopping panel 8) extending in a direction perpendicular to the rails 1 can be formed. In Figure 3, the upper side of the dike is inside the dike, and the lower side is outside the dike. In this embodiment, a train depot is located inside the dike. The structure (shape) of the frame shown in Figures 1 and 2 is illustrative and not limited to the illustrated configuration.

[0016] In the waterproof structure according to this embodiment, the rail 1, the lower surface of the structure 2, the support 3 extending perpendicular to the rail 1, the left and right side walls 9 extending parallel to the rail 1, and the left and right support columns 7 rising from the support 3 along the side walls 9 are permanent elements, while the prevention block 4, fixing member 5, top cover 6, support column 7', and water-stopping panel 8 are removable elements. A dike with a waterproof structure is formed by attaching the prevention block 4, fixing member 5, top cover 6, support column 7', and water-stopping panel 8 to the rail 1 and the structure (lower surface of the structure 2, support 3, side walls 9, and support column 7). Note that the support column 7 may also be a removable element.

[0017] [A-2] Rails As shown in Figure 9, the rail 1, in cross-sectional view, consists of a head portion 10 having a first width dimension, a leg portion or bottom portion 11 having a second width dimension larger than the first width dimension, and a narrow rising portion or body portion 12 extending between the head portion 10 and the bottom portion 11. The side surface 1' of the rail 1 consists of a substantially vertical upper portion (side surface of the head portion 10), an inclined lower portion (side surface of the bottom portion 11), a substantially vertical intermediate portion (side surface of the body portion 12), an upper curved portion (upper neck portion) 13 between the upper portion and the intermediate portion, and a lower curved portion (lower neck portion) 14 between the lower portion and the intermediate portion. The shape of the rail 1 is standardized, and the upper curved portion (upper neck portion) 13 and the lower curved portion (lower neck portion) 14 each have a predetermined R shape.

[0018] [A-3] Framework [A-3-1] Bottom surface of the skeleton Rail 1 is laid on the ground or floor surface. Below the ground or floor surface, a support structure is embedded below the rail 1. Below the ground or floor surface, a support structure is embedded below the support 3 and side wall 9. A detailed description of the support structure is omitted. In this specification, the ground or floor surface and the support structure together are referred to as the lower surface 2 of the structure.

[0019] [A-3-2] Support and sidewall The support members 3 are erected on the lower surface 2 of the frame, have approximately the same height as the rails 1, and extend in a direction perpendicular to the rails 1. As shown in Figures 1 and 2, the support members 3 have an outer visible surface 30 made of a vertical plane, an inner visible surface 31 made of a vertical plane, an upper surface 32 made of a horizontal plane, and a depth surface 33 made of a vertical plane. Each depth surface 33 of the multiple support members 3 faces the side surface 1' of the rail 1 so as to sandwich the rail 1 from both sides, and a space is formed between the depth surface 33 of the support members 3 and the side surface 1' of the rail 1. In the illustrated configuration, a pair of rails 1 are laid parallel to each other with a gap between them, and three support members 3 are provided: a left support member 3 located to the left of the left rail 1, a right support member 3 located to the right of the right rail 1, and a central support member 3 located between the left rail 1 and the right rail 1. In the support 3, wide sections 34 and 35 are integrally formed on the side opposite to the visible surface 33, that is, the side that is spaced away from the rail 1.

[0020] The support 3 according to this embodiment is formed from concrete, and a steel plate 30' is provided on the outer visible surface of the concrete of the support 3, with the outer visible surface 30 being formed from the steel plate 30' (see Figure 6). Screw holes 300 for bolts B1 are formed in the outer visible surface 30 (steel plate 30'). A positioning member 55 is provided at a predetermined position on the outer visible surface 30 of the support 3 (a position further away from the visible surface 33 than the screw holes 300). As shown in Figure 22, the positioning member 55 according to this embodiment comprises a rear surface 550 which is a vertical surface, a lower surface 551 which is a horizontal surface, and left and right visible surfaces 552 which are vertical surfaces, with the lower surface 551 resting on the lower surface 2 of the structure, and the rear surface 550 being fixed (for example, by welding) to a predetermined position on the steel plate 30'. The mounting position of the positioning member 55 is determined to be a predetermined position (for example, by aligning one of the left or right facing surfaces 552 with a predetermined distance from the facing surface 33) such that the first pressing means of the fixing member 5 can perform appropriate pressing, and the member is mounted in this predetermined position.

[0021] The visible surface 33 of the left support 3 is spaced apart from the left side surface 1' of the left rail 1. On the left support 3, a wide portion 34 is integrally formed on the side that is spaced apart from the left rail 1, and a side wall 9 rises inward from the wide portion 34, parallel to the rail 1.

[0022] The left-side facing surface 33 of the central support 3 is spaced apart from the right-side surface 1' of the left rail 1, and the right-side facing surface 33 is spaced apart from the left-side surface 1' of the right rail 1. The central part of the central support 3 in the width direction is a wide section 35. A screw hole 350 for a bolt B4 is formed on the upper surface of the wide section 35.

[0023] The visible surface 33 of the right-side support 3 is spaced apart from the right-side surface 1' of the right-side rail 1. On the right-side support 3, a wide section 34 is integrally formed on the side that is spaced apart from the right-side rail 1, and a side wall 9 rises inward from the wide section 34, parallel to the rail 1.

[0024] [A-4] Waterproof Block A waterproof block 4 is provided to seal the space formed by the depth surface 33 of the support 3, the side surface 1' of the rail 1, and the lower surface 2 of the structure. As shown in Figures 8 and 9, the height dimension of the waterproof block 4 is approximately the same as the height dimension of the rail 1 and the height dimension of the support 3. In this embodiment, the entire waterproof block 4 is not located between the depth surface 33 of the support 3 and the side surface 1' of the rail 1. In a plan view, half of it is located between the depth surface 33 of the support 3 and the side surface 1' of the rail 1, and the visible dimension of the remaining half is greater than the distance between the side surface 1' of the rail 1 and the depth surface 33 of the support 3, and is located outside the outer visible surface 30 of the support 3 (see Figure 7).

[0025] As shown in Figure 18, the waterproof block 4 according to this embodiment includes an inner facing surface 40 having a shape that conforms to the side surface 1' of the rail 1, a vertical outer facing surface 41 spaced apart from the side surface 1' of the rail 1, a horizontal upper surface 42, a horizontal lower surface 43, a vertical outer visible surface 44, and a vertical inner visible portion 45. The inner visible portion 45 consists of a first inner visible surface 450, a second inner visible surface 451, and an inclined surface 452. In this embodiment, the inner facing surface 40, the lower surface 43, and the second inner visible surface 451 of the waterproof block 4 are formed from watertight members 40a, 43a, and 451a.

[0026] The inner surface 40 of the waterproof block 4 consists of an upper vertical surface 400, a lower inclined surface 401, an intermediate vertical surface 402, an upper curved surface 403, and a lower curved surface 404. The upper vertical surface 400, lower inclined surface 401, intermediate vertical surface 402, upper curved surface 403, and lower curved surface 404 of the inner surface 40 of the waterproof block 4 correspond to the upper part (side of the head 10), lower part (side of the bottom 11), intermediate part (side of the body 12), upper curved part (upper neck) 13, and lower curved part (lower neck) 14 of the side surface 1' of the rail 1, respectively.

[0027] The waterproof block 4 according to this embodiment consists of a block body 4' and watertight members 40a, 43a, and 451a provided on predetermined surfaces of the block body 4'. The block body 4' includes an inner facing surface 40' shaped to conform to the side surface 1' of the rail 1, an outer facing surface 41 spaced apart from the side surface 1' of the rail 1, a horizontal upper surface 42, a horizontal lower surface 43', an outer visible surface 44, and an inner visible portion 45'. The inner visible portion 45' consists of a first inner visible surface 450, a second inner visible surface 451', and an inclined surface 452. The watertight members 40a, 43a, and 451a are provided on the inner facing surface 40', the lower surface 43', and the second inner visible surface 451' of the block body 4'.

[0028] The block body 4' is formed from a harder material than the watertight members 40a, 43a, and 451a. In this embodiment, the block body 4' is formed from ABS resin, but the material is not limited as long as it has a predetermined hardness, and may be other resins or hard rubber materials. The watertight members are, for example, watertight rubber, and more specifically, they are formed from a sealing material mainly composed of EPDM rubber foam. In this embodiment, the watertight member 43a that forms the lower surface 43 of the waterproof block 4 and the watertight member 40a that forms the inner surface 40 are formed from a material with superior sliding properties compared to the watertight member 451a that forms the second inner surface 451 of the waterproof block 4.

[0029] The inner surface 40' of the block body 4' has a shape that conforms to the side surface 1' of the rail 1. Specifically, the inner surface 40' of the block body 4' consists of an upper vertical surface 400', a lower inclined surface 401', an intermediate vertical surface 402', an upper curved surface 403', and a lower curved surface 404', which correspond to the upper part (side of the head 10), lower part (side of the bottom 11), intermediate part (side of the belly 12), upper curved part (upper neck) 13, and lower curved part (lower neck) 14 of the side surface 1' of the rail 1, respectively. The radius of the upper curved surface 403' of the inner surface 40' of the block body 4' is smaller than the radius of the upper curved part 13 of the rail 1, and the radius of the lower curved surface 404' of the inner surface 40' is smaller than the radius of the lower curved part 14 of the rail 1. As shown in Figure 9, when the inner surface 40 of the waterproof block 4 is in close contact with the side surface 1' of the rail 1, the distance between the inner surface 40' of the block body 4' and the side surface 1' of the rail 1 is greater for the inclined sections (lower inclined surface 401 and the inclined surface of the bottom 11, the inclined surface of the upper curved surface 403 and the inclined surface of the upper curved section 13, and the inclined surface of the lower curved surface 404 and the inclined surface of the lower curved section 14) than for the vertical sections (upper vertical surface 400 and the side surface of the head 10, and the intermediate vertical surface 402 and the side surface of the body 12). This prevents insufficient contact between the inner surface 40 (watertight member 40a) of the waterproof block 4 and the side surface 1' of the rail 1 when the waterproof block 4 is pressed horizontally against the side surface 1' of the rail 1, as the contact between the watertight member 40a and the side surface 1' of the rail 1 in the inclined sections creates resistance.

[0030] [A-5] Fixing member 5 As shown in Figure 20, the fixing member 5 comprises a main body 50, to which a first pressing body 51, a second pressing body 52, a first operating part 53, and a second operating part 54 are mounted. The main body 50 is formed by bending a steel plate of a predetermined thickness and consists of a vertical first visible surface 500 on the side farther from the rail 1, a vertical depth surface 501, a vertical second visible surface 502 on the side closer to the rail 1, a horizontal upper surface 503, and a horizontal lower surface 504. A bolt insertion hole 5000 for the bolt B1 is formed in the first visible surface 500. The diameter of the insertion hole 5000 has clearance with respect to the shaft diameter of the bolt B1.

[0031] A first pressing body 51 is provided on the front surface 501 of the main body 50 so as to be movable in the facing direction. The first pressing body 51 comprises a vertically rectangular first pressing plate 510 and a plurality (two in this embodiment) of cylindrical shaft portions 511 projecting from the back side of the first pressing plate 510 at intervals in the height direction. The shaft portions 511 are inserted through holes formed at intervals in the height direction in the front surface 501, and retaining rings 512 are formed on the shaft portions 511 on the opposite side of the front surface 501 from the first pressing plate 510. A first operating portion 53 is provided on the first facing surface 500, and the first operating portion 53 pushes the first pressing body 51 in the facing direction. The amount of pressure applied to the first pressing body 51 by the first operating portion 53 is adjustable.

[0032] A second pressing body 52 is provided on the second visible surface 502 of the main body 50 so as to be movable in the depth direction. The second pressing body 52 comprises a vertically rectangular second pressing plate 520 and a plurality (two in this embodiment) of cylindrical shaft portions 521 projecting from the back side of the second pressing plate 520 at intervals in the height direction. The shaft portions 521 are inserted through holes formed in the second visible surface 502 at intervals in the height direction, and retaining rings 522 are formed on the shaft portions 521 on the opposite side of the second visible surface 502 from the second pressing plate 520. A second operating portion 54 is provided on the second visible surface 502, and the second operating portion 54 pushes the second pressing body 52 in the depth direction. The amount of pressure applied to the second pressing body 52 by the second operating portion 54 is adjustable.

[0033] [A-6]Top lid The top cover 6 comprises a rectangular metal plate 60 having a predetermined visible dimension and a predetermined depth dimension. A hanging piece 61 is bent and formed at the outer end of the plate 60 in the depth direction, and a bolt insertion hole 62 for the bolt B2 is formed in the outer portion 600 of the plate 60 in the depth direction. The hanging piece 61 is used to align the insertion hole 62 of the plate 60 of the top cover 6 with the screw hole 5030 of the upper surface 503 of the fixing member 5 by bringing it into contact with the outdoor end of the upper surface 503 of the fixing member 5.

[0034] A lower watertight member 63 is provided on the lower surface of the plate 60 of the top cover 6. The lower watertight member 63 is provided over the entire area of ​​the lower surface of the plate 60, excluding the outer portion 600, and both ends of the lower watertight member 63 in the width direction (visible direction) are provided with extensions 630 that extend beyond both ends of the plate 60 in the width direction. An upper end watertight member 64 is formed on the upper surface of the extension 630 of the lower watertight member 63, projecting upward above the upper surface of the plate 60 along both end faces in the width direction of the plate 60. In addition to the upper end watertight member 64, an upper watertight member may also be provided across the upper surface of the plate 60. The lower watertight member 63 and the upper end watertight member 64 are, for example, made of watertight rubber, and more specifically, are made of a sealing material mainly composed of EPDM rubber foam.

[0035] [A-7] Support post Support columns 7 are erected on the upper surfaces of the wide sections 34 of the left and right support columns 3. On the upper surface of the wide section 34 of the left support column 3, a U-shaped support column 7 with a groove 70 is erected, and the support column 7 is attached by fixing the bottom wall of the groove 70 to the side wall 9 with bolts. On the upper surface of the wide section 34 of the right support column 3, a U-shaped support column 7 with a groove 70 is erected, and the support column 7 is attached by fixing the bottom wall of the groove 70 to the side wall 9 with bolts B3. In this embodiment, the support columns 7 are permanent elements, and caulking is applied between the side walls 9 of the support columns 7, but the support columns 7 may be provided in a detachable manner.

[0036] A support column 7', which has an H-shape in cross-section, is erected on the upper surface of the wide section 35 of the central support 3. The support column 7' is detachably attached by fixing its lower surface to the upper surface of the wide section 35 with a bolt B4. The H-shaped support column 7' forms a pair of grooves 70.

[0037] The groove 70 of the support column 7 erected on the wide section 34 of the left support 3 and one groove 70 of the support column 7' erected on the wide section 35 of the central support form a pair of opposing grooves 70, which are designed to receive the widthwise end of one of the water-stopping panels 8. The groove 70 of the support column 7 erected on the wide section 34 of the right support 3 and the other groove 70 of the support column 7' erected on the wide section 35 of the central support form a pair of opposing grooves 70, which are designed to receive the widthwise end of the other water-stopping panel 8.

[0038] [A-8] Water-stopping panel The watertight panel 8 has a first visible surface 80 located on the outside (the side where water pressure can directly act) when installed, a second visible surface 81 located on the inside when installed, an upper surface 82, a lower surface 83, and a depth surface 84 at both ends in the width direction. The lower surface 83 is provided with a lower watertight member 85 extending over its entire width, and the second visible surface 81 is provided with left and right lateral watertight members 86 extending over its entire height at both ends in the width direction. The lower ends of the left and right lateral watertight members 86 are tightly connected to the lower watertight member 85, and the lower watertight member 85 and the left and right lateral watertight members 86 are provided continuously on three sides. The lower watertight member 85 and the lateral watertight members 86 are, for example, watertight rubber, and more specifically, they are formed from a sealing material mainly composed of EPDM rubber foam.

[0039] The first visible surface 80 of the water-stopping panel 8 is provided with left and right operating parts 87 at both ends in the width direction. With both ends in the width direction of the water-stopping panel 8 received in the grooves 70 of the support column 7, operating the operating parts 87 causes the water-stopping panel 8 to be pressed downward and inward. As shown in Figures 10 and 11, the lateral watertight member 86 is in contact with the inner visible surface 700 of the groove 70. Such water-stopping panels themselves are well known.

[0040] [B] Installation method of waterproof structure [B-1] Temporary installation of waterproof blocks A waterproof block 4 is prepared and placed to seal the space formed by the side surface 1' of the rail 1, the visible surface 33 of the support 3, and the lower surface 2 of the structure. The inner visible surface 40 of the waterproof block 4 is brought close to or in contact with the side surface 1' of the rail 1, the second inner visible surface 451 of the inner visible portion 45 is brought close to or in contact with the end of the outer visible surface 30 of the support 3 (the part close to the visible surface 33), and the lower surface 43 is placed on the lower surface 2 of the structure.

[0041] [B-2] Installation of fixing members A fixing member 5 is prepared, and the first visible surface 500 of the main body 50 of the fixing member 5 is brought into contact with a predetermined portion of the outer visible surface 30 of the support 3, the lower surface 504 of the main body 50 is placed on the lower surface 2 of the structure, and the first visible surface 500 and the outer visible surface 30 of the support 3 are fixed with bolts B1. At this time, the edge of the main body 50 of the fixing member 5 is brought into contact with the visible surface 552 of the positioning member 55 which is fixed to a predetermined portion of the outer visible surface 30 of the support 3 to position it. In this embodiment, the diameter of the insertion hole 5000 has clearance with respect to the shaft diameter of the bolt B1, but the fixing member 5 is positioned and fixed using the positioning member 55. In an embodiment in which the waterproof block 4 can be temporarily installed after the fixing member 5 is installed, the order of temporary installation of the waterproof block and installation of the fixing member may be reversed.

[0042] [B-3] Fixing the waterproof block With the fixing member 5 installed, the front surface 501 of the main body 50 of the fixing member 5 is spaced apart from the outer front surface 41 of the waterproof block 4. The first pressing plate 510 of the fixing member 5 is positioned between the front surface 501 of the main body 50 of the fixing member 5 and the outer front surface 41 of the waterproof block 4, and is close to or in contact with the outer front surface 41 of the waterproof block 4. By operating the first operating unit 53, the first pressing plate 510 presses against the outer front surface 41 of the waterproof block 4, causing the inner front surface 40 (watertight member 40a) of the waterproof block 4 to be in close contact with the side surface 1' of the rail 1.

[0043] With the fixing member 5 installed, the second visible surface 502 of the main body 50 of the fixing member 5 is spaced apart from the outer visible surface 44 of the waterproof block 4. The second pressing plate 520 of the fixing member 5 is positioned between the second visible surface 502 of the main body 50 of the fixing member 5 and the outer visible surface 44 of the waterproof block 4, and is close to or in contact with the outer visible surface 44 of the waterproof block 4. By operating the second operating part 54, the second pressing plate 520 presses against the outer visible surface 44 of the waterproof block 4, causing the second inner visible surface 451 (watertight member 451a) of the waterproof block 4 to be in close contact with the outer visible surface 30 of the support 3.

[0044] The lower surface 43 of the waterproof block 4 is made of a material with excellent sliding properties, and the waterproof block 4 is slidable with its lower surface 43 in contact with the surface of the lower body 2. When the waterproof block 4 is fixed by the fixing member 5, the inner facing surface 40 (watertight member 40a) of the waterproof block 4 is in close contact with the side surface 1' of the rail 1, and the lower surface 43 (watertight member 43a) of the waterproof block 4 is in close contact with the lower body 2, and the inner facing surface 40 (watertight member 40a) and the lower surface 43 (watertight member 43a) are continuous (see Figure 9). The second inner facing surface 451 (watertight member 451a) of the inner facing portion 45 of the waterproof block 4 is in close contact with the outer facing surface 30 of the support 3, and the inclined surface 452 of the inner facing portion 45 of the waterproof block 4 and the facing surface 33 of the support 3 are spaced apart. In this embodiment, the waterproof block 4 is fixed using the fixing member 5 after the water-stopping panel 8 has been installed.

[0045] [B-4] Installation of the top cover The top cover 6 is placed so as to cover portion 42a of the upper surface 42 of the waterproof block 4, portion 503a of the upper surface 503 of the fixing member 5, and portion 32a of the upper surface 32 of the support 3. The outer portion 600 of the plate 60 of the top cover 6 is placed on portion 503a of the upper surface 503 of the fixing member 5. The insertion holes 62 of the outer portion 600 of the plate 60 of the top cover 6 are aligned with the screw holes 5030 of the upper surface 503 of the fixing member 5, and the cover is secured with bolts B2. Note that a watertight member may be provided on a portion of the upper surface 42 of the waterproof block 4 (for example, the portion that is in close contact with the lower watertight member 85 of the water-stopping panel 8, or the portion that is in close contact with the lower watertight member 63 of the top cover 6) or on the entire surface.

[0046] The lower watertight member 63 of the plate 60 of the top cover 6 is located in a region that includes the upper end of the contact area between the second inner surface 451 of the inner surface 45 of the waterproof block 4 and the outer surface 30 of the support 3, and the upper end of the gap between the depth surface 33 of the support 3 and the inclined surface 452 of the inner surface 45 of the waterproof block 4. The upper watertight member 64 of one end of the top cover 6 in the width direction is located on a vertical plane passing through the end of the bottom 11 of the rail 1, and the upper watertight member 64 of the other end in the width direction is located on a vertical plane passing through the depth surface 501 of the main body 50 of the fixing member 5. In this embodiment, the top cover 6 does not cover the upper surface 100 of the rail 1.

[0047] [B-5] Installation of support posts A support column 7 is erected on the upper surface of the wide section 34 of the left support 3. The support column 7 is detachably attached by resting its lower end on the upper surface of the wide section 34 and fixing the bottom wall of the groove 70 to the side wall 9 with bolts B3. A support column 7 is erected on the upper surface of the wide section 34 of the right support 3. The support column 7 is detachably attached by resting its lower end on the upper surface of the wide section 34 and fixing the bottom wall of the groove 70 to the side wall 9 with bolts B3. A support column 7' is erected on the upper surface of the wide section 35 of the central support 3. The support column 7' is detachably attached by fixing its lower surface to the upper surface of the wide section 35 with bolts B4.

[0048] [B-6] Installation of water-stopping panels The groove 70 of the support column 7 erected on the wide section 34 of the left support 3 and the groove 70 of one of the support columns 7' erected on the wide section 35 of the central support form a pair of opposing grooves 70. With one of the widthwise ends of the water-stopping panel 8 received in the pair of grooves, the lower watertight member 85 of the lower surface 83 of the water-stopping panel 8 is placed on the upper surface 100 of the rail 1, the upper surface 42 of the waterproof block 4, the upper surface of the top cover 6 (upper surface of the plate 60, upper end watertight member 64), and the upper surface 32 of the support 3.

[0049] In this state, by rotating the operating unit 87, the water-stopping panel 8 moves diagonally downward and inward, so that one end of the second visible surface 81 of the water-stopping panel 8 in the width direction comes into close contact with the inner visible surface 700 of the groove 70 of the support column 7, and the other end of the second visible surface 81 in the width direction comes into close contact with the inner visible surface 700 of one of the grooves of the support column 7', and the lower watertight member 85 at the lower end of the water-stopping panel 8 comes into close contact with the upper surface 100 of the rail 1, the upper surface 42 of the waterproof block 4, the upper surface of the top cover 6 (upper surface of the plate 60, upper end watertight member 64), and the upper surface 32 of the support 3. As the water-stopping panel 8 presses the waterproof block 4 and the top cover 6 downward, the lower inclined surface 401 of the inner visible surface 40 of the waterproof block 4 comes into close contact with the leg portion 11 of the rail 1, and the lower surface 43 (watertight member 43a) of the waterproof block 4 comes into close contact with the lower surface 2 of the structure.

[0050] The groove 70 of the support column 7 erected on the wide section 34 of the right-side support 3 and the other groove 70 of the support column 7' erected on the wide section 35 of the central support form a pair of opposing grooves 70. With one end of the watertight panel 8 in the width direction receiving into the pair of grooves, the watertight member 85 on the lower surface 83 of the watertight panel 8 is placed on the upper surface 100 of the rail 1, the upper surface 42 of the waterproof block 4, the upper cover 6, and the upper surface 32 of the support 3.

[0051] In this state, by rotating the operating unit 87, the water-stopping panel 8 moves diagonally downward and inward, so that one end of the second visible surface 81 of the water-stopping panel 8 in the width direction comes into close contact with the inner visible surface 700 of the groove 70 of the support column 7, and the other end of the second visible surface 81 in the width direction comes into close contact with the inner visible surface 700 of the other groove of the support column 7', and the lower watertight member 85 at the lower end of the water-stopping panel 8 comes into close contact with the upper surface 100 of the rail 1, the upper surface 42 of the waterproof block 4, the upper surface of the top cover 6 (upper surface of the plate 60, upper end watertight member 64), and the upper surface 32 of the support 3. As the water-stopping panel 8 presses the waterproof block 4 and the top cover 6 downward, the lower inclined surface 401 of the inner visible surface 40 of the waterproof block 4 comes into close contact with the leg portion 11 of the rail 1, and the lower surface 43 (watertight member 43a) of the waterproof block 4 comes into close contact with the lower surface 2 of the structure. In this embodiment, after the installation of the water-stopping panel 8, the first pressing means and second pressing means of the fixing member 5 securely fix the waterproof block 4 in a tightly adhering state.

[0052] [C] Waterproof structure [C-1] Overall structure As shown in Figures 3 and 4, the waterproof structure according to this embodiment consists of a rail 1, a support 3 erected at approximately the same height as the rail 1 and sandwiching the rail 1 from both sides, a waterproof block 4 at approximately the same height as the rail 1 and the support 3 and sealing the gap between the side surface 1' of the rail 1 and the support 3, a top cover 6 provided across the upper surface 42 of the waterproof block 4 and the upper surface 32 of the support 3, a pair of support columns 7, 7' located on both sides of the rail 1 and erected spaced apart on the support 3, and equipped with opposing grooves 70, and a water-stopping panel 8 equipped with three-sided watertight members 85, 86 at both ends in the width direction of the lower surface 83 and the second visible surface 81, with both ends in the width direction being received by the grooves 70 of the pair of support columns 7, 7'.

[0053] A lower waterproof wall consisting of a waterproof block 4 and a support 3 is formed at the same height as the rail 1, and an upper waterproof wall consisting of a watertight panel 8 and support columns 7 and 7' is formed directly above the lower waterproof wall. An upper cover 6 is fixed to a predetermined part of the upper surface of the lower waterproof wall, and a lower watertight member 85 on the lower surface of the upper waterproof wall is in close contact with the upper surface of the lower waterproof wall (upper cover 6, upper surface 100 of the rail 1, upper surface 42 of the waterproof block 4, upper surface 32 of the support 3), thereby forming an embankment of a predetermined height from the upper waterproof wall and the lower waterproof wall. In Figure 3, the upper side of the embankment is inside the embankment and the lower side is outside the embankment, and in this embodiment, a train depot for storing trains is located inside the embankment.

[0054] The lower watertight member 85 of the lower surface 83 of the watertight panel 8 is in continuous contact with the upper surface 100 of the rail 1, the upper surface 42 of the waterproof block 4, the upper surface of the top cover 6 (upper surface of the plate 60, upper end watertight member 64), and the upper surface 32 of the support 3, forming a watertight line. As shown in Figure 12, the lower watertight member 85 of the lower surface 83 of the watertight panel 8 is in close contact with the upper surface 42 of the waterproof block 4 and the upper edge of the inner surface 40 of the waterproof block 4. As shown in Figure 13, the upper end watertight member 64 and the lower end watertight member 63 are in a compressed state (64', 63') sandwiched between the lower watertight member 85 of the lower surface 83 of the watertight panel 8 and the upper surface 42 of the waterproof block 4. As shown in Figure 14, the lower watertight member 85 of the lower surface 83 of the watertight panel 8 is in close contact with the plate 60 of the top cover 6, and the lower watertight member 63 is in a compressed state (63') between the plate 60 and the portion 32a of the upper surface 32 of the support 3. In this embodiment, the first visible surface 80 of the watertight panel 8 and the outer visible surface 30 of the support 3 coincide in a plan view, but this is not limited to this. For example, the outer visible surface 30 of the support 3 may be positioned at an intermediate position in the depth direction of the lower watertight member 85 of the lower surface 83 of the watertight panel 8. In this case, the lower watertight member 85 will be located directly above the contact surface between the second inner visible surface 451 (watertight member 451a) of the waterproof panel 4 and the outer visible surface 30 of the support 3, and a watertight line can be formed without using the top cover 6. Also, the second visible surface 81 of the watertight panel 8 and the first inner visible surface 450 of the waterproof block 4 coincide, but this is not limited to this.

[0055] [C-2] Fixing the watertight state of the waterproof block As shown in Figures 7 to 9, in this embodiment, the waterproof block 4 that seals the gap between the side surface 1' of the rail 1 and the support 3 has approximately the same height dimension as the rail 1 and comprises a first surface (inner facing surface 40) that is in close contact with the side surface 1' of the rail 1, a second surface (second inner facing surface 451) that is in close contact with the outer facing surface 30 of the support 3, and a third surface (bottom surface 43) that is in close contact with the bottom surface 2 of the structure. The bottom surface 43 (watertight member 43a) of the waterproof block 4 is made of a material with higher sliding properties than the inner facing surface 40 (watertight member 40a) and the second inner facing surface 451 (watertight member 451a), and the waterproof block 4 can slide in the facing direction and the facing direction when the bottom surface 43 (watertight member 43a) is pressed against the bottom surface 2 of the structure.

[0056] In this embodiment, the depth of the outer depth surface 41 of the waterproof block 4 is smaller than the depth of the inner depth surface 40. In a plan view, half of the waterproof block 4 (a trapezoidal portion in plan view consisting of the first inner visible surface 450, the inclined surface 452, and half of the inner depth surface 40) is located between the depth surface 33 of the support 3 and the side surface 1' of the rail 1. The remaining half (a rectangular portion in plan view consisting of the outer visible surface 44, the outer depth surface 41, the second inner visible surface 451, and the remaining half of the inner depth surface 40) has a visible dimension that is larger than the distance between the side surface 1' of the rail 1 and the depth surface 33 of the support 3, and is located outside the outer visible surface 30 of the support 3 (see Figure 7). The inclined surface 452 of the inner visible portion 45 of the waterproof block 4 is spaced apart from and opposite the depth surface 33 of the support 3. Furthermore, the visible surface of the support 3 may be made inclined in plan view so as to be in close contact with or in close proximity to the inclined surface (for example, where a watertight member is provided) 452 of the inner visible portion 45 of the waterproof block 4.

[0057] In this embodiment, the waterproof block 4 is fixed in a watertight state by a fixing member 5. By fixing the waterproof state of the waterproof block 4 with the fixing member 5, the adhesion in areas where watertightness is required is improved, and even when water pressure acts on the waterproof block 4, the waterproof block 4 does not move, preventing a gap from forming between the waterproof block 4 and the side surface 1' of the rail 1. Furthermore, since the second inner visible surface 451 of the waterproof block 4 abuts against the outer visible surface 30 of the support 3, the force due to water pressure acting on the outer visible surface 44 of the waterproof block 4 is received by the support 3. The fixing member 5 is positioned using a positioning member 55, and the first visible surface 500 is detachably fixed to a predetermined part of the outer visible surface 30 of the support 3 by bolts B1.

[0058] The fixing member 5 is equipped with a first pressing means that presses the first surface (inner surface 40) of the waterproof block 4 against the side surface 1' of the rail 1 in close contact. The waterproof block 4 has an inner surface 40 and an outer surface 41 that is spaced apart from the rail 1. The first pressing means includes a first operating part 53 and a first pressing plate 510 that presses the outer surface 41 of the waterproof block 4 in conjunction with the operation of the first operating part 53. By pressing the waterproof block 4 horizontally with the first pressing means, the waterproof block 4 moves in the visible direction with its lower surface 43 sliding against the lower surface 2 of the structure, and the inner surface 40 (watertight member 40a) comes into close contact with the side surface 1' of the rail 1.

[0059] The position of the fixing member 5 in the visible direction on the outer visible surface 30 of the support 3 is determined by the positioning member 55. Even when the clearance between the shaft diameter of the bolt B1 and the insertion hole 5000 formed in the first visible surface 500 of the fixing member 5 is large, positioning and fixing the fixing member 5 ensures that the waterproof block 4 is properly pressed as designed in conjunction with the operation of the first operating unit 53, so that the inner visible surface 40 of the waterproof block 4 is in close contact with the side surface 1' of the rail 1, thereby achieving a stable watertight state. Note that the positioning means for the fixing member 5 is not limited to the embodiment shown.

[0060] The fixing member 5 is equipped with a second pressing means that presses the second surface (second inner visible surface 451) of the waterproof block 4 against the outer visible surface 30 of the support 3 in close contact. The waterproof block 4 is equipped with a second inner visible surface 451 and an outer visible surface 44 that is spaced apart from the outer visible surface 30 of the support 3. The second pressing means is equipped with a second operating part 54 and a second pressing plate 520 that presses the inner visible surface 44 of the waterproof block 4 in conjunction with the operation of the second operating part 54. By pressing the waterproof block 4 horizontally with the second pressing means, the waterproof block 4 moves in the depth direction with its lower surface 43 sliding in contact with the lower surface 2 of the structure, and the second inner visible surface 451 (watertight member 451a) comes into close contact with the outer visible surface 30 of the support 3.

[0061] The waterproof block 4 consists of a block body 4' and watertight members 40a, 43a, and 451a that are softer than the block body 4' and are provided on at least a portion of the surface of the block body 4'. The inner facing surface 40, the second inner facing surface 451, and the bottom surface 43 of the waterproof block 4 are made up of watertight members 40a, 451a, and 43a provided on the inner facing surface 40', the second inner facing surface 451', and the bottom surface 43' of the block body 4', respectively. In cross-sectional view, the rail 1 consists of a head portion 10 having a first width dimension, a leg portion 11 having a second width dimension larger than the first width dimension, and a narrow rising portion 12 extending between the head portion 10 and the leg portion 11. The side surface 1' of the rail 1 consists of a substantially vertical upper portion, an inclined lower portion, a substantially vertical intermediate portion, an upper curved portion 13 between the upper portion and the intermediate portion, and a lower curved portion 14 between the lower portion and the intermediate portion. The waterproof block 4 is formed from a rigid block body 4' and watertight members 40a, 451a, and 43a provided on the inner surface 40', second inner surface 451', and bottom surface 43' of the block body 4', thereby improving adhesion in areas where watertightness is required while maintaining the shape of the waterproof block 4 as much as possible.

[0062] The inner depth surface 40' of the block body 4' has a shape that conforms to the side surface 1' of the rail 1. The radius of the upper curved surface 403' of the inner depth surface 40' of the block body 4' is smaller than the radius of the upper curved portion 13 of the rail 1, and the radius of the lower curved surface 404' of the first surface is smaller than the radius of the lower curved portion 14 of the rail 1. On the first surface of the waterproof block 4 provided with a watertight member, the radius of the upper curved surface 403 is smaller than the radius of the upper curved portion 13 of the rail 1, and the radius of the lower curved surface 404 of the first surface of the waterproof block 4 is smaller than the radius of the lower curved portion 14 of the rail 1.

[0063] The watertight member 40a forming the inner surface 40 of the waterproof block 4 is compressed between the side surface 1' of the rail 1 and the inner surface 40' of the block body 4'. When the inner surface 40 of the waterproof block 4 approaches and comes into close contact with the side surface 1' of the rail 1 from the horizontal direction, the pressure tends to be weaker in curved and inclined portions compared to vertical portions. However, in this embodiment, when the waterproof block 4 is pressed in the direction of coming into close contact with the side surface 1' of the rail 1, the upper curved surface 403 and lower curved surface 404 of the inner surface 40 of the waterproof block 4, which have a smaller R shape, press well against the upper curved portion 13 and lower curved portion 14 of the rail 1.

[0064] [C-3] Waterproof structure with top cover The fixing member 5 is approximately the same height as the support 3 and the waterproof block 4, and the top cover 6 is fixed to a portion 503a of the upper surface 503 of the main body 50 of the fixing member 5. The waterproof block 4 has an inner facing surface 40 that is in close contact with the side surface 1' of the rail 1, and a second inner facing surface 451 that is in close contact with the outer facing surface 30 of the support 3, and the top cover 6 covers the contact surface between the outer facing surface 30 of the support 3 and the second inner facing surface 451 of the waterproof block 4 from above. A portion of the waterproof block 4 (the inclined surface 452 of the inner facing portion 45) is spaced apart from the facing surface 33 of the support 3, forming a gap, and the top cover 6 covers the gap from above.

[0065] A lower watertight member 63 is provided on the lower surface of the plate 60 of the top cover 6, and the lower watertight member 63 is in close contact with portion 42a of the upper surface 42 of the waterproof block 4, portion 32a of the upper surface 32 of the support 3, and portion 503a of the upper surface 503 of the main body 50 of the fixing member 5. The top cover 6 is pressed downward by the watertight panel 8 installed on top of it, and the lower watertight member 63 is in a state of pressure contact with portion 42a of the upper surface 42 of the waterproof block 4 and portion 32a of the upper surface 32 of the support 3 (see Figures 11 to 16). In Figures 12 to 16, the compressed state of the lower watertight member 63 is shown as the lower watertight member 63'.

[0066] In the upper cover 6, the widthwise ends of the lower watertight member 63 are formed with upper end watertight members 64 that protrude above the upper surface of the plate 60 of the upper cover 6, along the widthwise edges of the plate 60 of the upper cover 6, and the upper end watertight members 64 are in close contact with the lower watertight member 85 of the lower surface 83 of the watertight panel 8. In Figures 15 and 16, the compressed state of the upper end watertight member 64 is shown by the upper end watertight member 64'. As shown in the reference diagram of Figure 17, if the upper end watertight member 64 is not present, there is a risk that a gap S will be formed between the lower watertight member 85 and the upper surface 32 of the support 3 adjacent to the outside of the widthwise edge of the plate 60. In this embodiment, the formation of the above gap is prevented by the compressed upper end watertight member 64'. [Explanation of symbols]

[0067] 1 rail 1' Side view 10 head 11 Bottom (leg) 12. Abdomen (rising part) 13 Upper curved section 14 Lower curved section 2 Lower part of the body (frame) 3 Support (erected part, frame) 30 Outer marking surface 33. View 4 Waterproof Block 40. Inner surface (first surface) 40a Watertight member 41 Outer surface 42 Top surface 43 Bottom surface (3rd surface) 43a Watertight member 44 Outer marking surface 45 Inner surface area 450 First inner surface 451 Second inner visible surface (second surface) 451a Watertight member 452 Slope 4' Block body 40' Inner surface (first surface) 43´ Bottom surface (3rd surface) 451' Second inner visible surface (second surface) 5 Fixing members 50 Main Unit 51 First pressing body (first pressing means) 52 Second pressing body (second pressing means) 53 First operating section (first pressing means) 54 Second operating section (second pressing means) 55 Positioning member 6 Top lid 60 plates 63 Lower watertight member 64 Upper end watertight member 7, 7´ post 70 groove 8. Water-stopping panel 85 Lower watertight member 86 Lateral watertight member 9 Side wall (framework)

Claims

1. Rails and, A structure erected to sandwich the aforementioned rail from both sides, A waterproof block that seals the gap between the side of the rail and the structure, A fixing member provided on the outer surface of the frame, which fixes the waterproof block in a watertight state, It consists of, The waterproof block has a first surface having a shape that conforms to the side surface of the rail, The fixing member includes a first pressing means for pressing the first surface of the waterproof block against the side surface of the rail in close contact. Waterproof structure for rails.

2. The aforementioned waterproof block has a second surface facing the outer visible surface of the structure, The fixing member includes a second pressing means for pressing the second surface of the waterproof block against the building structure in a tightly adhering state. Waterproofing structure for rails according to claim 1.

3. The waterproof block comprises the second surface which is the inner visible surface and the outer visible surface which is spaced apart from the outer visible surface of the structure. The second pressing means comprises a second operating unit and a second pressing body that presses the outer surface in conjunction with the operation of the second operating unit. Waterproof rail structure according to claim 2.

4. A positioning member for the fixing member is provided at a predetermined position on the outer surface of the frame. A waterproof rail structure according to any one of claims 1 to 3.

5. Rails and, A structure erected to sandwich the aforementioned rail from both sides, A waterproof block that seals the gap between the side of the rail and the structure, A fixing member provided on the aforementioned structure for fixing the waterproof block in a watertight state, It consists of, The waterproof block comprises a first surface which is an inner surface having a shape that conforms to the side surface of the rail, and an outer surface which is spaced apart from the rail. The fixing member includes a first pressing means for pressing the first surface of the waterproof block against the side surface of the rail in close contact, The first pressing means comprises a first operating unit and a first pressing body that presses the outer surface in conjunction with the operation of the first operating unit. Waterproof structure for rails.