CN104033167B - The water-tight device of cable tunnel outlet and waterproof method - Google Patents
The water-tight device of cable tunnel outlet and waterproof method Download PDFInfo
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- CN104033167B CN104033167B CN201310074861.XA CN201310074861A CN104033167B CN 104033167 B CN104033167 B CN 104033167B CN 201310074861 A CN201310074861 A CN 201310074861A CN 104033167 B CN104033167 B CN 104033167B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 108
- 238000007789 sealing Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011229 interlayer Substances 0.000 claims abstract description 18
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 239000002655 kraft paper Substances 0.000 claims description 27
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 27
- 239000004570 mortar (masonry) Substances 0.000 claims description 18
- 238000004078 waterproofing Methods 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention provides water-tight device and the waterproof method of the outlet of a kind of cable tunnel.The water-tight device of cable tunnel outlet comprises: concrete body, concrete body is provided with the first vertically through cable aperture; Sealing layer, sealing layer is arranged in concrete body in the horizontal direction, and sealing layer offers the second vertically through cable aperture, the first cable aperture is communicated with the second cable aperture, and the first cable aperture is communicated with formation cable passage with the second cable aperture.Concrete body encloses the outlet of cable tunnel, and the water in cable tunnel cannot be flowed out from outlet.Sealing layer encloses the gap that may exist between the first cable aperture of concrete body and cable further, also prevents the water in cable tunnel from flowing out via the outlet of cable surface from cable tunnel.Like this, just ensure that cable tunnel is positioned at the strict water-tight of exit portion of the cable interlayer room of transformer station, avoid the water in cable tunnel can to cable interlayer indoor return.
Description
Technical field
The present invention relates to power equipment waterproof field, more specifically, relate to water-tight device and the waterproof method of a kind of cable tunnel outlet.
Background technology
In prior art, the coupling part, cable interlayer room of cable tunnel and transformer station is poorly sealed, and the water when rainfall in tunnel can, to cable interlayer indoor return, make the equipment in cable interlayer room be immersed in water.
Existing waterproof method is that the staff of transformer station utilizes water pumper to draw water operation, so not only labor intensive and material resources to cable interlayer, also can cause adverse effect to the equipment in cable interlayer room.
Summary of the invention
The present invention aims to provide water-tight device and the waterproof method of the outlet of a kind of cable tunnel, poorly sealed with the coupling part, cable interlayer room of the cable tunnel and transformer station that solve prior art, causes the water in tunnel can to the problem of cable interlayer indoor return.
For solving the problems of the technologies described above, according to a first aspect of the invention, provide the water-tight device of a kind of cable tunnel outlet, comprising: concrete body, concrete body is provided with the first vertically through cable aperture; Sealing layer, sealing layer is arranged in concrete body in the horizontal direction, and sealing layer offers the second vertically through cable aperture, the first cable aperture is communicated with the second cable aperture, and the first cable aperture is communicated with formation cable passage with the second cable aperture.
Further, sealing layer comprises the pea gravel concreten layer, neoprene layer, layers of kraft paper and the waterproofing mortar leveling layer that set gradually from top to bottom.
Further, layers of kraft paper is bonding with neoprene layer by chloroprene rubber adhesive agent.
Further, water-tight device also comprises the kraft being arranged on sealing layer soffit.
Further, water-tight device also comprises bracing frame, and bracing frame is arranged in concrete body, and sealing layer is arranged on bracing frame.
Further, the leg that bracing frame comprises bracing frame body and is connected with bracing frame body, sealing layer is arranged on bracing frame body.
Further, water-tight device comprises the first water tight packing be filled between cable passage and cable to be installed.
According to a second aspect of the invention, additionally provide the waterproof method of a kind of cable tunnel outlet, step 1, excavates pit in the exit of the cable tunnel of cable interlayer indoor around cable; Step 2, fills the second water tight packing in the gap between cable tunnel and cable; Step 3, is arranged on bracing frame in pit; Step 4, builds a layer concrete in pit, makes the upper surface of the bracing frame body of concrete upper surface and bracing frame in the same plane; Step 5, is arranged on the upper surface of bracing frame body by sealing layer; Step 6, continues fluid concrete in pit, and makes concrete flood sealing layer.
Further, step 5 comprises: before the layer concrete be cast in pit condenses completely, lay one deck kraft at the upper surface of bracing frame body; At the upper surface of kraft, one deck waterproofing mortar leveling layer is set; After the drying of waterproofing mortar leveling layer, lay layers of kraft paper at the upper surface of waterproofing mortar leveling layer; Neoprene layer is bonded in the upper surface of layers of kraft paper by chloroprene rubber adhesive agent; Pea gravel concreten layer is built at the upper surface of neoprene layer.
Concrete body encloses the outlet of cable tunnel, and the water in cable tunnel cannot be flowed out from outlet.Sealing layer encloses the gap that may exist between the first cable aperture of concrete body and cable further, also prevents the water in cable tunnel from flowing out via the outlet of cable surface from cable tunnel.Like this, just ensure that cable tunnel is positioned at the strict water-tight of exit portion of the cable interlayer room of transformer station, avoid the water in cable tunnel can to cable interlayer indoor return.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 water-tight device diagrammatically illustrated in the present invention is arranged on the schematic diagram in exit, cable tunnel; And
Fig. 2 diagrammatically illustrates the schematic diagram of sealing layer.
Reference numeral in figure: 10, concrete body; 11, the first cable aperture; 20, sealing layer; 21, pea gravel concreten layer; 22, neoprene layer; 23, layers of kraft paper; 24, waterproofing mortar leveling layer; 25, the second cable aperture; 30, kraft; 40, bracing frame; 41, bracing frame body; 42, leg; 50, the first water tight packing; 60, the second water tight packing; 70, cable tunnel; 80, cable.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
According to a first aspect of the invention, provide the water-tight device of a kind of cable tunnel outlet, as shown in Figure 1, this water-tight device comprises: concrete body 10, concrete body 10 is provided with the first vertically through cable aperture 11; Sealing layer 20, sealing layer 20 is arranged in concrete body 10 in the horizontal direction, sealing layer 20 offers the second vertically through cable aperture 25, first cable aperture 11 to be communicated with the second cable aperture 25, the first cable aperture 11 is communicated with formation cable passage with the second cable aperture 25.
Concrete body 10 encloses the outlet of cable tunnel 70, and the water in cable tunnel 70 cannot be flowed out from outlet.Sealing layer 20 encloses the gap that may exist between the first cable aperture 11 of concrete body 10 and cable 80 further, also prevents the water in cable tunnel from flowing out via the outlet of cable surface from cable tunnel 70.Like this, just ensure that cable tunnel 70 is positioned at the strict water-tight of exit portion of the cable interlayer room of transformer station, avoid the water in cable tunnel 70 can to cable interlayer indoor return.
Preferably, as shown in Figure 2, sealing layer 20 comprises the pea gravel concreten layer 21, neoprene layer 22, layers of kraft paper 23 and the waterproofing mortar leveling layer 24 that set gradually from top to bottom.Sealing layer 20 utilizes the elasticity of neoprene layer 22 can be adjacent to cable 80, and neoprene layer 22 has corrosion resistance again, makes sealing layer 20 have longer application life.Layers of kraft paper 23 is arranged on waterproofing mortar leveling layer 24, and neoprene layer 22 is arranged on again in layers of kraft paper 23, makes neoprene layer 22 can keep smooth, can not and cable 80 between produce gap.Pea gravel concreten layer 21 is arranged on neoprene layer 22, makes neoprene layer 22 be clipped between pea gravel concreten layer 21 and layers of kraft paper 23, protects the smooth of positive neoprene layer 22 further.Wherein, compared with the concrete that the concrete that pea gravel concreten layer 21 uses and concrete body 10 use, solid particle is less, finer and smoother, can contact tightr with neoprene layer 22.Preferably, layers of kraft paper 23 is bonding with neoprene layer 22 by chloroprene rubber adhesive agent.
Preferably, water-tight device also comprises the kraft 30 being arranged on sealing layer 20 soffit.Waterproofing mortar leveling layer 24 is arranged on kraft 30, makes in the process arranging water-tight device, and the mortar of waterproofing mortar leveling layer 24 can not be absorbed by the concrete of concrete body 10, makes waterproofing mortar leveling layer 24 cannot form smooth plane.
Preferably, water-tight device also comprises bracing frame 40, and bracing frame 40 is arranged in concrete body 10, and sealing layer 20 is arranged on bracing frame 40.Preferably, the leg 42 that bracing frame 40 comprises bracing frame body 41 and is connected with bracing frame body 41, sealing layer 20 is arranged on bracing frame body 41.Sealing layer 20 is arranged on bracing frame 40, and make sealing layer 20 more steady, waterproof effect is better.
Preferably, water-tight device comprises the first water tight packing 50 be filled between cable passage and cable 80 to be installed.First water tight packing 50 can gap between filled cable passage and cable 80, and the gap produced such as, in the concrete coagulation process of concrete body 10 and between cable 80, prevents the water in cable tunnel 70 from refluxing via above-mentioned gap.
According to a second aspect of the invention, provide the waterproof method of a kind of cable tunnel outlet, as shown in Figure 1, step 1, excavates pit in the exit of the cable tunnel 70 of cable interlayer indoor around cable 80; Step 2, fills the second water tight packing 60 in the gap between cable tunnel 70 and cable 80; Step 3, is arranged in pit by bracing frame 40; Step 4, builds a layer concrete in pit, makes the upper surface of the bracing frame body 41 of concrete upper surface and bracing frame 40 in the same plane; Step 5, is arranged on the upper surface of bracing frame body 41 by sealing layer 20; Step 6, fluid concrete in pit, and make concrete flood sealing layer 20.
Preferably, step 5 comprises: before the layer concrete be cast in pit condenses completely, lay one deck kraft 30 at the upper surface of bracing frame body 41; At the upper surface of kraft 30, one deck waterproofing mortar leveling layer 24 is set; After waterproofing mortar leveling layer 24 drying, lay layers of kraft paper 23 at the upper surface of waterproofing mortar leveling layer 24; Neoprene layer 22 is bonded in the upper surface of layers of kraft paper 23 by chloroprene rubber adhesive agent; Pea gravel concreten layer 21 is built at the upper surface of neoprene layer 22.
The waterproof method adopting cable tunnel of the present invention to export arranges water-tight device in the cable tunnel outlet of cable interlayer room, substantially no longer there is current backflow phenomenon in the cable tunnel outlet adding water-tight device, avoid the water soaking that the equipment in cable interlayer room is refluxed, thus ensure that the normal operation of substation equipment, and then ensure that the safety of electric power system and stablize.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a water-tight device for cable tunnel outlet, it is characterized in that, described water-tight device comprises:
Concrete body (10), described concrete body (10) is provided with vertically through the first cable aperture (11);
Sealing layer (20), described sealing layer (20) is arranged in described concrete body (10) in the horizontal direction, described sealing layer (20) offers vertically through the second cable aperture (25), described first cable aperture (11) is communicated with described second cable aperture (25), described first cable aperture (11) is communicated with formation cable passage with described second cable aperture (25), wherein, described sealing layer (20) comprises the pea gravel concreten layer (21) set gradually from top to bottom, neoprene layer (22), layers of kraft paper (23) and waterproofing mortar leveling layer (24).
2. water-tight device according to claim 1, is characterized in that, described layers of kraft paper (23) is bonding with described neoprene layer (22) by chloroprene rubber adhesive agent.
3. water-tight device according to claim 1, is characterized in that, described water-tight device also comprises the kraft (30) being arranged on described sealing layer (20) soffit.
4. water-tight device according to claim 1, it is characterized in that, described water-tight device also comprises bracing frame (40), support frame as described above (40) is arranged in described concrete body (10), and described sealing layer (20) is arranged on support frame as described above (40).
5. water-tight device according to claim 4, it is characterized in that, the leg (42) that support frame as described above (40) comprises bracing frame body (41) and is connected with support frame as described above body (41), described sealing layer (20) is arranged on support frame as described above body (41).
6. water-tight device according to claim 1, is characterized in that, described water-tight device comprises the first water tight packing (50) be filled between described cable passage and cable to be installed (80).
7. a waterproof method for cable tunnel outlet, is characterized in that, comprise the following steps:
Step 1, excavates pit in the exit of the cable tunnel (70) of cable interlayer indoor around cable (80);
Step 2, fills the second water tight packing (60) in the gap between cable tunnel (70) and described cable (80);
Step 3, is arranged in described pit by bracing frame (40);
Step 4, builds a layer concrete in described pit, makes the upper surface of the bracing frame body (41) of concrete upper surface and support frame as described above (40) in the same plane;
Step 5, is arranged on the upper surface of support frame as described above body (41) by sealing layer (20);
Step 6, continues fluid concrete in described pit, and makes concrete flood described sealing layer (20).
8. waterproof method according to claim 7, is characterized in that, described step 5 comprises:
Before concrete in described step 4 condenses completely, lay one deck kraft (30) at the upper surface of support frame as described above body (41);
At the upper surface of described kraft (30), one deck waterproofing mortar leveling layer (24) is set;
After the drying of described waterproofing mortar leveling layer (24), lay layers of kraft paper (23) at the upper surface of described waterproofing mortar leveling layer (24);
Neoprene layer (22) is bonded in the upper surface of described layers of kraft paper (23) by chloroprene rubber adhesive agent;
Pea gravel concreten layer (21) is built at the upper surface of described neoprene layer (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074861.XA CN104033167B (en) | 2013-03-08 | 2013-03-08 | The water-tight device of cable tunnel outlet and waterproof method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310074861.XA CN104033167B (en) | 2013-03-08 | 2013-03-08 | The water-tight device of cable tunnel outlet and waterproof method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104033167A CN104033167A (en) | 2014-09-10 |
| CN104033167B true CN104033167B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310074861.XA Active CN104033167B (en) | 2013-03-08 | 2013-03-08 | The water-tight device of cable tunnel outlet and waterproof method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2054375A5 (en) * | 1969-07-10 | 1971-04-16 | Dynamit Nobel Ag | Plastics lined tunnelling |
| CN1807839A (en) * | 2005-12-27 | 2006-07-26 | 上海市隧道工程轨道交通设计研究院 | Waterproof method for entrance of shield tunnel |
| JP4076811B2 (en) * | 2002-07-26 | 2008-04-16 | クレハエラストマー株式会社 | Tunnel water leakage prevention structure, its construction method and columnar packing |
| CN202492975U (en) * | 2012-03-23 | 2012-10-17 | 上海市电力公司 | Pipeline water-proof structure extending out of roof |
| CN102777210A (en) * | 2012-08-22 | 2012-11-14 | 中铁二院工程集团有限责任公司 | Tunnel network waterproof-drainage board |
| CN202937276U (en) * | 2012-12-14 | 2013-05-15 | 中铁二十三局集团有限公司 | Waterproof structure for tunnel |
| CN204225486U (en) * | 2014-11-24 | 2015-03-25 | 国网辽宁省电力有限公司丹东供电公司 | The plugging structure of pre-buried pipeline in a kind of concrete floor |
-
2013
- 2013-03-08 CN CN201310074861.XA patent/CN104033167B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2054375A5 (en) * | 1969-07-10 | 1971-04-16 | Dynamit Nobel Ag | Plastics lined tunnelling |
| JP4076811B2 (en) * | 2002-07-26 | 2008-04-16 | クレハエラストマー株式会社 | Tunnel water leakage prevention structure, its construction method and columnar packing |
| CN1807839A (en) * | 2005-12-27 | 2006-07-26 | 上海市隧道工程轨道交通设计研究院 | Waterproof method for entrance of shield tunnel |
| CN202492975U (en) * | 2012-03-23 | 2012-10-17 | 上海市电力公司 | Pipeline water-proof structure extending out of roof |
| CN102777210A (en) * | 2012-08-22 | 2012-11-14 | 中铁二院工程集团有限责任公司 | Tunnel network waterproof-drainage board |
| CN202937276U (en) * | 2012-12-14 | 2013-05-15 | 中铁二十三局集团有限公司 | Waterproof structure for tunnel |
| CN204225486U (en) * | 2014-11-24 | 2015-03-25 | 国网辽宁省电力有限公司丹东供电公司 | The plugging structure of pre-buried pipeline in a kind of concrete floor |
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| CN104033167A (en) | 2014-09-10 |
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