CN212985250U

CN212985250U - A resistance to compression drainage type waterstop for tunnel

Info

Publication number: CN212985250U
Application number: CN202021638447.9U
Authority: CN
Inventors: 石海锋
Original assignee: Haining Zhenyang Textile Composite Material Co ltd
Current assignee: Haining Zhenyang Textile Composite Material Co ltd
Priority date: 2020-08-09
Filing date: 2020-08-09
Publication date: 2021-04-16
Anticipated expiration: 2030-08-09

Abstract

The utility model discloses a resistance to compression drainage type waterstop for tunnel, including the waterstop body, the intermediate position of waterstop body is provided with anti deformation pipe, the upper end of waterstop body is provided with the arch supporting part, the arch supporting part is located directly over anti deformation pipe, the upper surface bilateral symmetry of arch supporting part is provided with the drainage baffle, the slope of drainage baffle sets up, and the distance between the both sides drainage baffle reduces gradually from last to down, and the inner wall of both sides drainage baffle and the top of arch supporting part form the water drainage tank, the water drainage tank is located the drainage gap, the upper end both sides of waterstop body are provided with the waterstop, the waterstop is located the both sides of arch supporting part, the both sides of waterstop body upper surface are close to its border position department and arrange and are provided with a plurality of seal lips.

Description

A resistance to compression drainage type waterstop for tunnel

Technical Field

The utility model relates to a building engineering technical field especially relates to a resistance to compression drainage type waterstop for tunnel.

Background

Each pipe section of the tunnel is a preform, with joints between the pipe sections and the ventilation tower. During the construction of railway tunnels in early stage in China, the water-proof aspect is not paid high attention, so that the tunnels in water-rich areas have serious water leakage diseases. The concrete lining has good waterproof effect, but at the position of a construction joint or a deformation joint, due to factors such as construction or rainfall, water leakage or water burst is often generated.

At present, commonly used water stops in engineering are divided into back-attached water stops and middle-buried water stops, the existing water stops can prevent underground water from infiltrating into a tunnel in a short time, but cannot bear the action of water pressure for a long time, and the phenomenon that the water stops are crushed easily occurs. In addition, the existing water stop has poor drainage effect and price, and the treatment of the leakage water is very passive. Today, when vehicles are rapidly developed, water leakage in the tunnel severely restricts the running speed of vehicles in the tunnel, and meanwhile, potential traffic safety hazards are generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a resistance to compression drainage type waterstop for tunnel can bear the hydraulic pressure effect for a long time well, is difficult for causing the damage to the waterstop, and the drainage effect of waterstop makes the improvement of percolating water in the tunnel better simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a resistance to compression drainage type waterstop for tunnel, includes the waterstop body, the intermediate position of waterstop body is provided with anti deformation pipe, the upper end of waterstop body is provided with the arch supporting part, the arch supporting part is located directly over anti deformation pipe, the upper surface bilateral symmetry of arch supporting part is provided with the drainage baffle, drainage baffle slope sets up, and the distance between the both sides drainage baffle reduces from last to down gradually, and the inner wall of both sides drainage baffle and the top of arch supporting part form the water drainage tank, the water drainage tank is located the drainage gap, the upper end both sides of waterstop body are provided with the waterstop, the waterstop is located the both sides of arch supporting part, the both sides of waterstop body upper surface are close to its border position department and arrange and are provided with a plurality of seal lips.

Through above-mentioned technical scheme, when the water accumulation in the drainage gap was in the top of arch supporting part, can pass this power to adjacent part when the arch supporting part pressurized and support the power that the arch foot gived off to can bear bigger pressure, prevented to bear the hydraulic pressure effect for a long time and cause the damage to the waterstop. The water drainage tank is embedded into the water drainage gap, the underground water flowing out of the water drainage gap is collected through the water drainage tank, the underground water in the water drainage gap is concentrated into the water drainage tank, the underground water is conveniently drained into the side ditch together, the water drainage effect of the water stop is improved, and the treatment of water seepage in the tunnel is better.

The utility model discloses still further set up to: and a reinforcing block is arranged between the bottom of the outer wall of the drainage baffle and the arched supporting part.

Through above-mentioned technical scheme, the boss enables the drainage baffle to have better intensity structure, prevents that water pressure from propping the drainage baffle bad.

The utility model discloses still further set up to: and steel wire meshes are arranged in the arched supporting part and the drainage baffle.

Through above-mentioned technical scheme, the wire net can improve the mechanical strength of arch supporting part and drainage baffle, makes it can bear bigger exogenic action and can not produce deformation.

The utility model discloses still further set up to: the thickness of one end of the drainage baffle, which is far away from the arched supporting part, is gradually reduced, and one end of the drainage baffle, which is far away from the arched supporting part, is tightly attached to the inner wall of the drainage gap.

Through above-mentioned technical scheme, can be with the better collection of the groundwater in the drainage gap, prevent that it from flowing the position outside the water drainage tank.

The utility model discloses still further set up to: and a flow guide strip is arranged between the inner wall of the bottom of the drainage baffle and the upper surface of the arched supporting part, and the upper surface of the flow guide strip is an inwards concave arc surface.

Through above-mentioned technical scheme, the water conservancy diversion strip can prevent that impurity in the groundwater from entering into the gap of drainage baffle bottom and arch supporting part upper surface connected position department in, prevents that impurity from piling up in the gap and influencing the drainage ability of water drainage tank.

The utility model discloses still further set up to: the water stop belt comprises a water stop belt body and is characterized in that fixing parts are arranged on two sides of the water stop belt body respectively, the fixing parts are fixed on a front construction lining section and a rear construction lining section respectively, and fastening components are arranged between the fixing parts and the construction lining sections.

Through above-mentioned technical scheme, fastening components make the upper surface of waterstop body and the lower surface laminating of preceding construction lining section and back construction lining section.

The utility model discloses still further set up to: the fastening assembly comprises a screw, a nut and a pressing plate, the screw is fixed on the lower surface of the construction lining section, a fixing hole is formed in the fixing portion, the fixing portion and the pressing plate are respectively sleeved on the screw, and the nut is in threaded connection with the screw and compresses the fixing portion and the pressing plate tightly.

Through above-mentioned technical scheme, nut threaded connection compresses tightly fixed part and clamp plate on the screw rod, and the area of clamp plate is great, enables fixed part and waterstop body and hugs closely the lower surface of construction lining section, prevents that groundwater from oozing.

The utility model discloses still further set up to: and a gasket is arranged between the nut and the pressure plate.

Through above-mentioned technical scheme, when the gasket can make the nut compress tightly the clamp plate, it is bigger with the area of contact of clamp plate, makes it compress tightly the clamp plate better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention.

The reference numbers in the figures mean: 1. a water stop body; 2. a deformation resistant tube; 3. an arch support; 4. a drainage baffle; 5. a water discharge tank; 6. a water stop bar; 7. a sealing lip; 8. a reinforcing block; 9. steel wire mesh; 10. a flow guide strip; 11. a fixed part; 12. constructing a lining section; 13. constructing a lining section; 14. a fastening assembly; 15. a screw; 16. a nut; 17. pressing a plate; 18. and (7) a gasket.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The present invention will be described below with reference to fig. 1 to 2.

The utility model provides a resistance to compression drainage type waterstop for tunnel, includes waterstop body 1, and the both sides of waterstop body 1 are provided with fixed part 11 respectively, and the fixed part 11 of both sides is fixed in preceding construction lining section 12 and back construction lining section 13 respectively, is provided with fastening components 14 between fixed part 11 and the construction lining section. A drainage gap is formed between the front construction lining section 12 and the rear construction lining section 13, and a water stop is arranged below the drainage gap to prevent water in the drainage gap from entering the tunnel. The fastening assembly 14 attaches the upper surface of the waterstop body 1 to the lower surfaces of the front construction lining section 12 and the rear construction lining section 13. The fastening assembly 14 includes a screw 15, a nut 16 and a pressing plate 17, and the screw 15 is prefabricated in the front construction lining section 12 and the rear construction lining section 13 when the front construction lining section 12 and the rear construction lining section 13 are cast, so that the screw 15 is fixed to the lower surface of the construction lining section after casting. The fixing portion 11 is provided with a fixing hole, the fixing portion 11 is sleeved on the screw 15 through the fixing hole, and the pressing plate 17 is sleeved on the screw 15 to press the fixing portion 11 tightly. A nut 16 is screwed on the screw 15 to press the fixing portion 11 and the pressure plate 17, and a washer 18 is provided between the nut 16 and the pressure plate 17. The washer 18 enables the nut 16 to press the pressure plate 17 with a larger contact area with the pressure plate 17, so that the pressure plate 17 can be pressed better. Two sides of the upper end of the water stop belt body 1 are provided with water stop strips 6, the water stop strips 6 are positioned on two sides of the arch-shaped supporting part 3, and a plurality of sealing lips 7 are arranged on two sides of the upper surface of the water stop belt body 1 close to the edge of the water stop belt body. The sealing lip 7 enables the sealing performance between the water stop belt body 1 and the construction lining section to be better, and prevents underground water from flowing in.

The middle position of waterstop body 1 is provided with anti deformation pipe 2, and the resistance becomes the position that the pipe is located between preceding construction lining section 12 and the back construction lining section 13, and the cross sectional shape of anti deformation pipe 2 is circular in this embodiment. The position between preceding construction lining section 12 and the back construction lining section 13 is the place that produces the deformation distance, sets up anti deformation pipe 2 and has better anti deformation along stretch nature than the waterstop of individual layer, because the circle have the radian can be followed stretch, can become the length of semicircle arc length from the length of diameter when being stretched. In addition, the circular cross section is double-layered on the section of the settlement joint, and one more layer is added than the single-layered cross section, so that the effect of preventing the first layer from being damaged and keeping water can be achieved.

The upper end of the water stop body 1 is provided with an arch-shaped supporting part 3, and the arch-shaped supporting part 3 is positioned right above the anti-deformation pipe 2. When water in the drainage gap is accumulated above the arch-shaped support part 3, the arch-shaped support part 3 can transmit the force to the adjacent part to prop against the arch foot to radiate the force when being pressed, thereby being capable of bearing larger pressure. The upper surface bilateral symmetry of arch supporting part 3 is provided with drainage baffle 4, and drainage baffle 4 slope sets up, and the distance between both sides drainage baffle 4 reduces gradually from last to down, is provided with boss 8 between the outer wall bottom of drainage baffle 4 and the arch supporting part 3, and boss 8 enables drainage baffle 4 to have better intensity structure, prevents that water pressure from propping drainage baffle 4 bad. The inner walls of the two side drain baffles 4 and the tops of the arch-shaped support parts 3 form drain grooves 5, and the drain grooves 5 are positioned in the drain gaps. The drainage channel 5 is embedded in the drainage gap, and the underground water flowing out of the drainage gap is collected through the drainage channel 5, so that the underground water in the drainage gap is concentrated in the drainage channel 5, and is conveniently drained into the side ditch together. Be provided with water conservancy diversion strip 10 between the upper surface of 4 bottom inner walls of drainage baffle and arch supporting part 3, the upper surface of water conservancy diversion strip 10 is the indent arc surface, and water conservancy diversion strip 10 can prevent that impurity in the groundwater from entering into the gap of 4 bottoms of drainage baffle and 3 upper surface connection position departments of arch supporting part, prevents that impurity from piling up in the gap and influencing the drainage ability of water drainage tank 5. The inside of arch supporting part 3 and drainage baffle 4 all is provided with wire net 9, and wire net 9 can improve the mechanical strength of arch supporting part 3 and drainage baffle 4, makes it can bear bigger exogenic action and can not produce deformation. The one end thickness that arch supporting part 3 was kept away from to drainage baffle 4 reduces gradually, and drainage baffle 4 keeps away from the one end of arch supporting part 3 and the inner wall in drainage gap closely laminates to can be with the better collection of the groundwater in the drainage gap, prevent that it from flowing the position beyond 5 drainage channels.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a resistance to compression drainage type waterstop for tunnel, includes waterstop body (1), its characterized in that: an anti-deformation pipe (2) is arranged in the middle of the water stop belt body (1), an arch-shaped supporting part (3) is arranged at the upper end of the water stop belt body (1), the arched supporting part (3) is positioned right above the anti-deformation pipe (2), drainage baffles (4) are symmetrically arranged on two sides of the upper surface of the arched supporting part (3), the drainage baffles (4) are obliquely arranged, and the distance between the two side drainage baffles (4) is gradually reduced from top to bottom, the inner walls of the two side drainage baffles (4) and the top of the arched supporting part (3) form a drainage groove (5), the drainage groove (5) is positioned in the drainage gap, the two sides of the upper end of the water stop belt body (1) are provided with water stop strips (6), the water stop strip (6) is located on two sides of the arched supporting portion (3), and a plurality of sealing lips (7) are arranged on two sides of the upper surface of the water stop strip body (1) close to the edge of the water stop strip body.

2. The pressure-resistant drainage type water stop for tunnels according to claim 1, which is characterized in that: and a reinforcing block (8) is arranged between the bottom of the outer wall of the drainage baffle (4) and the arched supporting part (3).

3. The pressure-resistant drainage type water stop for tunnels according to claim 1, which is characterized in that: the inside of arch supporting part (3) and drainage baffle (4) all is provided with wire net (9).

4. The pressure-resistant drainage type water stop for tunnels according to claim 1, which is characterized in that: the thickness of one end of the drainage baffle (4) far away from the arched supporting part (3) is gradually reduced, and one end of the drainage baffle (4) far away from the arched supporting part (3) is tightly attached to the inner wall of the drainage gap.

5. The pressure-resistant drainage type water stop for tunnels according to claim 4, wherein: a flow guide strip (10) is arranged between the inner wall of the bottom of the drainage baffle (4) and the upper surface of the arched supporting portion (3), and the upper surface of the flow guide strip (10) is an inwards concave arc surface.

6. The pressure-resistant drainage type water stop for tunnels according to claim 1, which is characterized in that: the water stop belt is characterized in that fixing parts (11) are respectively arranged on two sides of the water stop belt body (1), the fixing parts (11) are respectively fixed on a front construction lining section (12) and a rear construction lining section (13), and fastening components (14) are arranged between the fixing parts (11) and the construction lining sections.

7. The pressure-resistant drainage type water stop for tunnels according to claim 6, wherein: fastening components (14) include screw rod (15), nut (16) and clamp plate (17), and screw rod (15) are fixed in the lower surface of construction lining section, the fixed orifices has been seted up on fixed part (11), fixed part (11) and clamp plate (17) overlap respectively and locate on screw rod (15), nut (16) threaded connection will on screw rod (15) fixed part (11) and clamp plate (17) compress tightly.

8. The pressure-resistant drainage type water stop for tunnels according to claim 7, wherein: and a gasket (18) is arranged between the nut (16) and the pressure plate (17).