CN217055182U

CN217055182U - Bridge tunnel waterproof system

Info

Publication number: CN217055182U
Application number: CN202121245806.9U
Authority: CN
Inventors: 陈佳洱; 黄昆; 唐鑫
Original assignee: Guangdong Yuneng Building Material Technology Co ltd
Current assignee: Guangdong Yuneng Building Material Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-07-26
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a bridge tunnel waterproof system, including tunnel waterproof system and bridge waterproof system, tunnel waterproof system includes first lining cutting, first lining cutting's the outside is provided with the draining layer, the outside of draining layer is provided with the bed course, the outside of bed course is provided with the waterproof layer, there is secondary lining cutting the outside of waterproof layer, the draining layer comprises hoop spring drainage blind pipe, be provided with longitudinal drain pipe at the bottom of the side wall of draining layer, hoop spring drainage blind pipe is connected with longitudinal drain pipe. The utility model discloses tunnel waterproof system sets up the bed course in the waterproof layer inboard after, the drainage blanket of reconnection for do not cause the jam of blind pipe when the water that filters the get rid of particulate matter through the bed course to the hoop spring drainage blind pipe, make the system more durable, and adopt special waterproofing membrane in HPM tunnel as the waterproof layer, can resist the influence of tunnel crack and impact vibrations, improved holistic water-proof effects and life.

Description

Bridge tunnel waterproof system

Technical Field

The utility model relates to a waterproof field in bridge tunnel, concretely relates to waterproof system in bridge tunnel.

Background

In China, tunnel construction technology is more and more advanced in recent years, although new materials and new technologies are widely used, a plurality of tunnels still have leakage phenomena of different degrees, and particularly, the leakage of weak links such as tunnel pre-buried chambers, construction joints, tunnel connectors and joints among pipe joints is more serious and becomes a large defect of tunnel engineering. A large amount of data analysis and investigation are needed by each construction department according to the water leakage condition of the tunnel, a series of data such as original drawings and data are calculated and redesigned, the design idea is smoothed, the data are modified according to the waterproof experience of the construction in the past, a plurality of drainage channels are additionally arranged, and therefore the water is guaranteed to be drained smoothly.

The leakage phenomenon of the highway tunnel not only can generate certain influence on the appearance and the structural safety of the tunnel engineering, but also changes the operation conditions, so that the safety of the power tunnel is greatly reduced.

Therefore, it is necessary to invent a waterproof system for bridge and tunnel to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bridge tunnel waterproof system, tunnel waterproof system sets up the bed course in the waterproof layer inboard after, the water drainage blanket of reconnection, make the water that gets rid of the particulate matter through the bed course filters the jam that does not cause the blind pipe when getting into hoop spring drainage blind pipe, make the system more durable, and tunnel waterproof system adopts special waterproofing membrane in HPM tunnel as the waterproof layer, the material has toughness good, it is fire-retardant, anti frost crack performance, tear resistance, characteristics such as easily lay, can resist the influence of tunnel crack and impact shock, holistic water-proof effects and life have been improved, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: bridge tunnel waterproof system, including tunnel waterproof system and bridge waterproof system, tunnel waterproof system includes first lining cutting, the outside of first lining cutting is provided with the drainage blanket, the outside of drainage blanket is provided with the bed course, the outside of bed course is provided with the waterproof layer, there is secondary lining cutting the outside of waterproof layer, the drainage blanket comprises hoop spring drainage blind pipe, be provided with vertical drain pipe at the bottom of the side wall of drainage blanket, hoop spring drainage blind pipe is connected with vertical drain pipe, equidistant horizontal drain pipe that is connected with on the vertical drain pipe, the one end that vertical drain pipe was kept away from to horizontal drain pipe is connected with the tunnel side ditch.

Preferably, the primary lining and the secondary lining are both arranged to be high impervious concrete layers.

Preferably, the cushion layer is a geotechnical non-woven fabric layer.

Preferably, the waterproof layer is made of a waterproof roll special for an HPM tunnel.

Preferably, the bridge waterproof system includes the bridge floor top surface, the bridge floor top surface adopts concrete processing to make, the bottom equidistant pier that is provided with of bridge floor top surface, the upside of bridge floor top surface is provided with the waterproof roll material layer, the upside on waterproof roll material layer is provided with the flattening layer, the flattening layer adopts concrete processing to make, the upside on flattening layer is provided with the surface course.

Preferably, the pier is made of self-waterproof concrete, a protective layer is coated on the surface of the pier, and the protective layer is made of isobutyl triethoxysilane.

Preferably, the surface layer is processed by an asphalt concrete layer.

Preferably, the waterproof roll material layer is a non-asphalt multifunctional waterproof roll material which adopts a high-density polyethylene base film as a main waterproof material, is combined with a super glue film which can be firmly bonded with an HDPE base film and reaction sand, and is provided with a specially treated reaction sand particle layer.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the tunnel waterproof system is characterized in that a cushion layer is arranged on the inner side of a waterproof layer and then connected with a drainage layer, so that when water which is filtered by the cushion layer to remove particles enters the annular spring drainage blind pipe, the blind pipe is not blocked, the system is more durable, and the material used by the tunnel waterproof system has good waterproof, anti-corrosion, anti-aging and anti-ultraviolet performances;

2. the waterproof roll material layer is arranged in a bridge body for waterproofing in the bridge waterproof system, the waterproof roll material layer is permanently bonded with the top surface of a bridge deck and a leveling layer made of concrete, better waterproof performance and practicability are ensured, the cost performance is higher, the waterproof roll material layer adopts a high-density polyethylene bottom film as a main waterproof material, a strong glue film capable of being firmly bonded with an HDPE bottom film and reaction sand is combined with the waterproof roll material layer, and the non-asphalt multifunctional waterproof roll material with a specially treated reaction sand particle layer has better self-healing property and creep property and better durability and corrosion resistance, the high-density polyethylene bottom film is compounded with the special reaction sand particle layer through the strong glue film, the waterproof function of the waterproof roll material layer and the bonding force of the super strong bonding reaction with cement mortar are ensured, the situation that the waterproof roll material layer is peeled off is avoided, and the surface of a pier is coated with a protective layer made of isobutyl triethoxysilane, effectively solves the problems of water resistance and corrosion resistance of concrete and prolongs the service life of the bridge.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of a tunnel waterproofing system of the present invention;

fig. 2 is a cross-sectional view of the tunnel waterproofing system of the present invention;

FIG. 3 is a connection diagram of the longitudinal drain pipe and the transverse drain pipe of the present invention;

FIG. 4 is a schematic view of the waterproof system for bridge of the present invention;

fig. 5 is the utility model discloses a bridge waterproof system cross-sectional view.

Description of reference numerals:

the method comprises the following steps of 1, primary lining 11, drainage layer 12, cushion layer 13, waterproof layer 14, secondary lining 15, longitudinal drainage pipe 16, transverse drainage pipe 17, tunnel side ditch 18, bridge waterproof system 2, bridge deck top surface 21, bridge pier 22, waterproof roll material layer 23, leveling layer 24, surface layer 25 and protective layer 26.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

The utility model provides a bridge tunnel waterproof system as shown in fig. 1-3, including tunnel waterproof system 1 and bridge waterproof system 2, tunnel waterproof system 1 is including primary lining 11, primary lining 11's the outside is provided with drainage blanket 12, drainage blanket 12's the outside is provided with bed course 13, bed course 13's the outside is provided with waterproof layer 14, waterproof layer 14's the outside has secondary lining 15, drainage blanket 12 comprises hoop spring drainage blind pipe, be provided with longitudinal drain pipe 16 at the bottom of drainage blanket 12's the side wall, hoop spring drainage blind pipe is connected with longitudinal drain pipe 16, equidistant connection has horizontal drain pipe 17 on longitudinal drain pipe 16, the one end that horizontal drain pipe 17 kept away from longitudinal drain pipe 16 is connected with tunnel side ditch 18.

Furthermore, in the technical scheme, the primary lining 11 and the secondary lining 15 are both set to be high-impermeability concrete layers, so that the construction is simple and convenient, the waterproof performance is reliable, the applicability is strong, and the durability is good.

Further, in above-mentioned technical scheme, bed course 13 sets up to geotechnological non-woven fabrics layer, and the proportion is less, and the extensibility is stronger, and the adaptation deformability is high, and is corrosion-resistant, low temperature resistant, and freezing resistance is good, and bed course 13 is installed between drainage blanket 12 and waterproof layer 14 for water that gets rid of the particulate matter through bed course 13 filtration does not cause the jam of blind pipe when getting into the annular spring drainage blind pipe, makes the system more durable.

Furthermore, in the above technical solution, the waterproof layer 14 is made of a waterproof roll material dedicated for HPM tunnels, and the material has the characteristics of good toughness, flame retardancy, frost cracking resistance, tear resistance, easy laying and the like, and can resist the influence of tunnel cracks and impact shock, improve the overall waterproof effect and prolong the service life.

The implementation mode specifically comprises the following steps: the tunnel waterproof system 1 consists of a primary lining 11, a drainage layer 12, a cushion layer 13, a waterproof layer 14 and a secondary lining 15 from inside to outside in sequence, wherein the primary lining 11 and the secondary lining 15 are both arranged to be high impervious concrete layers, the construction is simple and convenient, the waterproof performance is reliable, the applicability is strong, the durability is good, the drainage layer 12 consists of circumferential spring drainage blind pipes, the cushion layer 13 is arranged to be a geotechnical non-woven fabric layer, the specific gravity is small, the extensibility is strong, the adaptive deformability is high, the corrosion resistance, the low temperature resistance and the freezing resistance are good, the cushion layer 13 is arranged between the drainage layer 12 and the waterproof layer 14, so that the blockage of the blind pipes is not caused when water which is filtered by the cushion layer 13 to remove particles enters the circumferential spring drainage blind pipes, the system is more durable, the circumferential spring drainage blind pipes collect water, the longitudinal drainage pipes 16 at the bottoms of the side walls of the drainage layer 12 collect water precisely, and then the water is discharged into a tunnel side ditch 18 through a transverse drainage pipe 17, the material used by the tunnel waterproof system 1 has good waterproof, anti-corrosion, anti-aging and anti-ultraviolet performances, and the waterproof roll special for the HPM tunnel is adopted as the waterproof layer 14, so that the material has the characteristics of good toughness, flame retardance, frost crack resistance, tear resistance, easiness in laying and the like, can resist the influence of tunnel cracks and impact vibration, improves the overall waterproof effect and prolongs the service life.

The utility model provides a as shown in fig. 4-5 bridge tunnel waterproof system, in above-mentioned technical scheme, bridge waterproof system 2 includes bridge floor top surface 21, bridge floor top surface 21 adopts the concrete processing to make, the bottom equidistant pier 22 that is provided with of bridge floor top surface 21, the upside of bridge floor top surface 21 is provided with waterproofing membrane layer 23, the upside of waterproofing membrane layer 23 is provided with leveling layer 24, leveling layer 24 adopts the concrete processing to make, leveling layer 24's upside is provided with surface course 25.

Further, in the above technical scheme, the pier 22 is made of self-waterproof concrete, the surface of the pier 22 is coated with the protective layer 26, and the protective layer 26 is made of isobutyl triethoxysilane, so that the base material is effectively prevented from being corroded, loosened, peeled off and mildewed by water seepage, sunshine, acid rain, deicing salt and seawater, and the concrete and the internal steel bar structure, and the service life of the bridge is prolonged.

Furthermore, in the above technical solution, the surface layer 25 is made of an asphalt concrete layer, and has high strength, good integrity, good high temperature stability, water damage resistance and durability, and no deformation or asphalt film peeling.

Furthermore, in the above technical scheme, the waterproof roll layer 23 adopts a high-density polyethylene base film as a main waterproof material, combines a super glue film which can be firmly bonded with an HDPE base film and reaction sand and a non-asphalt multifunctional waterproof roll with a specially treated reaction sand particle layer, and has good self-healing property and creep property, and better durability and corrosion resistance.

The implementation mode specifically comprises the following steps: the bridge waterproof system 2 is composed of a bridge deck top surface 21, piers 22, a waterproof coiled material layer 23, a leveling layer 24 and a surface layer 25, wherein the piers 22 are processed by self-waterproof concrete, the surface of the piers 22 is coated with a protective layer 26 made of isobutyl triethoxysilane, which effectively prevents the base material from corrosion, loosening, peeling and mildew of concrete and internal steel bar structures caused by water seepage, sunlight, acid rain, deicing salt and seawater, prolongs the service life of the bridge, the bridge waterproof system 2 arranges the waterproof coiled material layer 23 in a bridge body for water prevention, the waterproof coiled material layer 23 is permanently bonded with the bridge deck top surface 21 and the leveling layer 24 made of concrete, better waterproof performance and practicability are ensured, the cost performance is higher, the waterproof coiled material layer 23 adopts a high-density polyethylene bottom film as a main waterproof material, and is combined with a strong adhesive film which can be firmly bonded with HDPE and reaction sand, and the multi-functional waterproofing membrane of non-pitch through special treatment's reaction sand grained layer, possess better self-healing and creep nature, it is durable better with corrosion resistance, the high density polyethylene basement membrane passes through the super glue film and is compound with special reaction sand grained layer, waterproof function and the superstrong adhesive force that reacts the bonding with cement mortar solidification of waterproof roll layer 23 have been guaranteed, stop the condition that waterproof roll layer 23 takes place to peel off, the bridge waterproof system that exists among the prior art is poor specifically has been solved to this embodiment, make the bridge suffer the problem of destruction easily.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. Bridge tunnel waterproof system, including tunnel waterproof system (1) and bridge waterproof system (2), its characterized in that: tunnel waterproof system (1) is including first lining (11), the outside of first lining (11) is provided with drainage blanket (12), the outside of drainage blanket (12) is provided with bed course (13), the outside of bed course (13) is provided with waterproof layer (14), there is secondary lining (15) the outside of waterproof layer (14), drainage blanket (12) comprise hoop spring drainage blind pipe, be provided with longitudinal drain pipe (16) at the bottom of the side wall of drainage blanket (12), hoop spring drainage blind pipe is connected with longitudinal drain pipe (16), equidistant connection has transverse drain pipe (17) on longitudinal drain pipe (16), the one end that longitudinal drain pipe (16) were kept away from in transverse drain pipe (17) is connected with tunnel side ditch (18).

2. The bridge-tunnel waterproofing system according to claim 1, wherein: and the primary lining (11) and the secondary lining (15) are both set to be high impervious concrete layers.

3. The bridge-tunnel waterproofing system according to claim 1, wherein: the cushion layer (13) is set to be a geotechnical non-woven fabric layer.

4. The bridge-tunnel waterproofing system according to claim 1, wherein: the waterproof layer (14) is made of a waterproof roll special for an HPM tunnel.

5. The bridge and tunnel waterproofing system according to claim 1, wherein: bridge waterproof system (2) includes decking top surface (21), deck slab top surface (21) adopt the concrete processing to make, the bottom equidistant of deck slab top surface (21) is provided with pier (22), the upside of deck slab top surface (21) is provided with waterproof coil material layer (23), the upside of waterproof coil material layer (23) is provided with leveling layer (24), leveling layer (24) adopt the concrete processing to make, the upside of leveling layer (24) is provided with surface course (25).

6. The bridge-tunnel waterproofing system according to claim 5, wherein: the pier (22) is made of self-waterproof concrete, a protective layer (26) is coated on the surface of the pier (22), and the protective layer (26) is made of isobutyl triethoxysilane.

7. The bridge and tunnel waterproofing system according to claim 5, wherein: the surface layer (25) is processed by an asphalt concrete layer.

8. The bridge and tunnel waterproofing system according to claim 5, wherein: the waterproof roll layer (23) is a non-asphalt multifunctional waterproof roll which adopts a high-density polyethylene base film as a main waterproof material, combines a layer of super glue film which can be firmly bonded with HDPE base film and reaction sand, and a specially treated reaction sand particle layer.