CN218716857U - Tunnel stock node waterproof construction - Google Patents
Tunnel stock node waterproof construction Download PDFInfo
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- CN218716857U CN218716857U CN202222977676.9U CN202222977676U CN218716857U CN 218716857 U CN218716857 U CN 218716857U CN 202222977676 U CN202222977676 U CN 202222977676U CN 218716857 U CN218716857 U CN 218716857U
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Abstract
The utility model provides a tunnel stock node waterproof construction, this structure includes: the anchor rod, the polyurethane sealing adhesive layer, the drainage plate, the butyl adhesive tape and the protective sealing adhesive layer; one end of the anchor rod inserted in the tunnel is an anchoring end, and the other end of the anchor rod is a free end; the polyurethane sealing glue layer is coated on the root of the free end of the anchor rod, the drainage plate is provided with a through hole, and the through hole is sleeved at the free end of the anchor rod; the butyl adhesive tape is wound at the root part of the free end penetrating out of the through hole, and the protective sealing adhesive layer is coated on the root part of the free end wound with the butyl adhesive tape. The polyurethane sealant is used for filling a gap between the anchor rod and a primary concrete base surface, and the drainage plate plays roles of isolating and guiding permeated water flow. The butyl sticky tape has waterproof effect, prevents that water from the gap seepage between the outer wall of stock and the drain bar through-hole, and the protection sealing glue layer plays the guard action to other waterproof construction. The problem of tunnel stock department, water-proof effects is not good, easily takes place the seepage, causes the potential safety hazard to the tunnel is solved.
Description
Technical Field
The utility model relates to a tunnel waterproof construction technical field, concretely relates to tunnel stock node waterproof construction.
Background
With the rapid development of traffic transportation, some roads and railways need to be constructed by winding mountains and run by passing mountains, so that the distance is multiplied compared with the straight line running, and the running difficulty is increased if the altitude is too high and the weather is severe in rain and snow. Therefore, the tunnel is built to be close to a straight line to go back and forth between two places, the action of the tunnel is similar to that of an overwater bridge, the time is saved, and the tunnel is safer. The tunnel can reduce the driving distance of vehicles and the construction cost of roads, and shorten the distance of roads and railways. The running time is reduced, thereby improving the passenger capacity and developing the transportation network.
The anchor rod is required to be used in the construction of the tunnel, the anchor rod plays a supporting role in the tunnel, the anchor rod can limit and restrict the deformation of the surrounding rock, pressure is applied to the surrounding rock, the surrounding rock is reinforced, joint cracks and fracture surfaces in the surrounding rock, particularly in a loosening area, can be connected, the interlayer frictional resistance is improved, and individual dangerous rocks are prevented from falling or sliding off.
In the construction in-process in tunnel, waterproof reverse osmosis work is indispensable, and the stock is connected with engineering structures as the tension member who gos deep into the stratum, and one end is connected, and in the stratum is gone deep into to the other end, is the position that takes place the seepage in the tunnel most easily, and traditional stock adopts the welding waterstop to play waterproof effect, and water-proof effects is not good, easily takes place the seepage, causes the potential safety hazard to the tunnel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tunnel stock node waterproof construction to solve tunnel stock department, water-proof effects is not good, easily takes place the seepage, causes the problem of potential safety hazard to the tunnel.
The utility model provides a tunnel stock node waterproof construction, the utility model provides a tunnel stock node waterproof construction includes: the anchor rod, the polyurethane sealing adhesive layer, the drainage plate, the butyl adhesive tape and the protective sealing adhesive layer;
one end of the anchor rod inserted into the primary concrete base surface of the tunnel is an anchoring end, and the other end of the anchor rod arranged outside the primary concrete base surface is a free end;
the polyurethane sealing glue layer is coated on the root of the free end of the anchor rod, a through hole is formed in the drain plate corresponding to the free end of the anchor rod, the through hole is sleeved at the free end of the anchor rod, and one surface of the drain plate is in contact with the primary concrete base surface;
the butyl rubber belt winds the root of the free end of the anchor rod penetrating out of the through hole, and the protective sealing rubber layer covers the root of the free end of the anchor rod coated with the butyl rubber belt in a wound mode.
Furthermore, the anchor rod further comprises a polyurethane sealant caulking layer, and the polyurethane sealant caulking layer is arranged between the inner wall of the through hole and the outer wall of the anchor rod.
Furthermore, still include glass fiber cloth, glass fiber cloth pastes in the drain bar and keeps away from around building the one side through-hole of concrete base face just.
Furthermore, the drainage plate also comprises an epoxy interface agent layer which is brushed between the glass fiber cloth and the drainage plate.
Furthermore, the anti-slip coating further comprises a first layer of anti-slip coating, and the first layer of anti-slip coating is brushed between the epoxy interface agent layer and the glass fiber cloth.
And furthermore, the anti-slip coating further comprises a second layer of anti-slip coating, and the second layer of anti-slip coating is coated on one side, far away from the drainage plate, of the glass fiber cloth.
Furthermore, one side of the drain board is provided with a plurality of bosses which are arranged in a matrix form.
Furthermore, the surface of the drain board provided with the boss faces the primary concrete base surface, and the geotechnical cloth is adhered to the boss.
Adopt above-mentioned technical scheme, compare with prior art, the beneficial effects of the utility model are that:
the utility model provides a tunnel stock node waterproof construction includes: the anchor rod, the polyurethane sealing adhesive layer, the drainage plate, the butyl adhesive tape and the protective sealing adhesive layer;
one end of the anchor rod inserted into the primary concrete base surface of the tunnel is an anchoring end, and the other end of the anchor rod arranged outside the primary concrete base surface is a free end;
the polyurethane sealing glue layer is coated on the root of the free end of the anchor rod, a through hole is formed in the drain plate corresponding to the free end of the anchor rod, the through hole is sleeved at the free end of the anchor rod, and one surface of the drain plate is in contact with the primary concrete base surface;
the butyl rubber belt is wound at the root of the free end of the anchor rod penetrating out of the through hole, and the protective sealing rubber layer covers the root coated on the free end of the anchor rod and wound with the butyl rubber belt.
The cliff in the just laying concrete base face outside in tunnel easily takes place the seepage, and the cliff is inserted to the anchor end of stock, and the rivers of seepage department can be followed stock outer wall and just laying the gap seepage between the concrete base face to just laying the concrete base face inboard on the cliff.
The sealed glue of polyurethane fills sealedly to the anchor end of stock and the gap between the concrete base face of just building, and the drain bar plays the effect of keeping apart and water conservancy diversion to the water that permeates the concrete base face of just building, and rivers are gone out along the one side water conservancy diversion of drain bar.
The butyl sticky tape has waterproof effect, prevents that water from leaking the another side of drain bar from the gap between the outer wall of stock and the drain bar through-hole, and protection sealing glue layer plays the guard action to other waterproof construction, avoids other waterproof construction to receive the damage, influences water-proof effects.
The problem of tunnel stock department, water-proof effects is not good, easily takes place the seepage, causes the potential safety hazard to the tunnel is solved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a tunnel anchor rod node waterproof structure provided by the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a partially enlarged view of fig. 2 at B.
In the figure: 1-anchor rod, 11-anchoring end, 12-free end, 2-polyurethane sealing layer, 21-polyurethane sealant caulking layer, 3-drainage plate, 31-through hole, 32-boss, 33-geotextile, 4-butyl adhesive tape, 5-protective sealing adhesive layer, 6-glass fiber cloth, 7-epoxy interface agent layer, 8-first layer of anti-slip coating and 9-second layer of anti-slip coating.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the application provides a 1 waterproof construction of tunnel stock for the waterproof reverse osmosis of 1 department of tunnel stock.
In the present embodiment, a waterproof structure of a tunnel anchor rod 1 is provided, as shown in fig. 1-2, the waterproof structure of the tunnel anchor rod 1 includes: the anchor rod comprises an anchor rod 1, a polyurethane sealing layer 2, a drainage plate 3, a butyl adhesive tape 4 and a protective sealing adhesive layer 5;
one end of the anchor rod 1 inserted into the primary concrete base surface of the tunnel is an anchoring end 11, and one end of the anchor rod 1 arranged outside the primary concrete base surface is a free end 12;
the polyurethane sealing layer 2 is coated on the root of the free end 12 of the anchor rod 1, the drain plate 3 is provided with a through hole 31 corresponding to the free end 12 of the anchor rod 1, the through hole 31 is sleeved on the free end 12 of the anchor rod 1, and one surface of the drain plate 3 is in contact with the primary concrete base surface;
the butyl adhesive tape 4 is wound on the free end 12 of the anchor rod 1 and penetrates out of the root of the through hole 31, and the protective sealing adhesive layer 5 covers the root coated on the free end 12 of the anchor rod 1 and wound with the butyl adhesive tape 4.
During the practical application, the seepage easily takes place for the cliff in the concrete base outside of just building in the tunnel, and the wall is inserted to the anchor end 11 of stock 1, and the rivers of leakage department can be along 1 outer wall of stock and just build the gap seepage between the concrete base inboard just building in the concrete base between the cliff.
The polyurethane sealing layer 2 is filled and sealed to the anchor end 11 of stock 1 and the gap between the concrete base face of just building, and drain bar 3 plays the effect of keeping apart and water conservancy diversion to the water of permeating the concrete base face of just building, and rivers are gone out along the one side water conservancy diversion of drain bar 3.
The butyl tape 4 is formed by blending main raw materials such as butyl rubber and polyisobutylene, and has excellent mechanical properties: high adhesion strength, high tensile strength, good elasticity and extensibility, and high adaptability to interface deformation and cracking. Stable chemical performance, excellent chemical resistance, weather resistance and corrosion resistance. Reliable application performance, such as good cohesiveness, waterproofness, sealing performance, low temperature resistance, good following performance and good dimensional stability. The construction operation process is simple.
The root that through-hole 31 was worn out at the free end 12 of stock 1 to the winding of butyl sticky tape 4 prevents that water from leaking the another side of drain bar 3 from the gap between the outer wall of stock 1 and the 3 through-holes 31 of drain bar, and protection sealing glue layer 5 plays the guard action to other waterproof construction, avoids other waterproof construction to receive the damage, influences water-proof effects.
In the embodiment of the present invention, as shown in fig. 3, the sealing device further includes a polyurethane sealing caulking layer 21, and the polyurethane sealing caulking layer 21 is disposed between the inner wall of the through hole 31 and the outer wall of the anchor rod 1.
Specifically, the polyurethane sealant has excellent wear resistance; low temperature flexibility; the adjustable range of the performance is wider; the mechanical strength is high; the adhesion is good; the elasticity is good, has excellent resilience, and can be suitable for dynamic seams; the weather resistance is good, and the service life can reach 15-20 years; the oil resistance is excellent; biological aging resistance; moderate price.
The polyurethane sealant is used for filling from one side of the drainage plate 3, the polyurethane sealant caulking layer 21 fills the gap between the through hole 31 and the anchor rod 1, and leakage from the gap between the outer wall of the anchor rod 1 and the through hole 31 of the drainage plate 3 is further prevented.
The utility model discloses among the specific technical scheme, as shown in FIG. 3, still include glass fiber cloth 6, glass fiber cloth 6 pastes in drain bar 3 and keeps away from around just building a through-hole 31 of concrete base face.
The glass fiber cloth 6 is adhered around the through hole 31 of the drainage plate 3 and combined with the waterproof coating outside the through hole 31 of the drainage plate 3, so that the anti-cracking waterproof coating has higher anti-cracking capability and is prevented from generating cracks and leaking.
In the specific technical solution of the embodiment of the present invention, as shown in fig. 3, the water draining board further includes an epoxy interface agent layer 7, and the epoxy interface agent layer 7 is coated between the glass fiber cloth 6 and the water draining board 3.
Specifically, the epoxy primer interface agent can be used for surface protection of concrete and steel bars and prevention of deterioration and corrosion. Or a moisture-proof layer for oil paint, and is firmly combined with the polyurethane sealing layer 2.
The epoxy interface agent layer 7 is coated on the drainage plate 3, plays a role in adhering and fixing the glass fiber cloth 6 and prevents the glass fiber cloth 6 from falling off.
In the embodiment of the present invention, as shown in fig. 3, the present invention further comprises a first layer anti-slip coating 8, wherein the first layer anti-slip coating 8 is coated between the epoxy interfacial agent layer 7 and the glass fiber cloth 6.
Specifically, the anti-slip coating has excellent releasability: the paint has high bonding strength with a base surface and a coiled material, and good waterproof and sealing performance; the mechanical property is excellent: the elongation of the coating is high, and cracks generated by base surface stress can be effectively overcome; labor and time are saved: the anti-sagging performance of the vertical face construction is excellent, the surface drying time is short, and the construction period is saved; water-based environmental protection: the water-based paint can be used after being opened, and is convenient and fast to construct.
The coating is suitable for waterproofing of industrial and civil building underground engineering and concrete roofing engineering, and the anti-slip coating and the glass fiber cloth 6 are used to form a coating and coiled material composite waterproof system.
In the specific technical solution of the embodiment of the present invention, as shown in fig. 3, the water draining board further includes a second layer of anti-sliding coating 9, and the second layer of anti-sliding coating 9 is coated on one side of the glass fiber cloth 6 far from the water draining board 3.
The composite waterproof layer composed of the second layer of anti-sliding coating 9, the glass fiber cloth 6 and the first layer of anti-sliding material is good in waterproof effect, firm in structure and not prone to cracking, and the waterproof effect of the anchor rod 1 is further improved.
In the embodiment of the present invention, as shown in fig. 2, one side of the drainage plate 3 is provided with a plurality of bosses 32, and the plurality of bosses 32 are arranged in a matrix form.
There is the gap between specific a plurality of bosss 32 for drain bar 3's water conservancy diversion effect, when one side that water infiltration was provided with boss 32 on drain bar 3, can follow the gap water conservancy diversion between the boss 32, prevent that rivers from accumulating in drain bar 3's through-hole 31 department seepage.
The utility model discloses among the specific technical scheme, the one side orientation that drain bar 3 was provided with boss 32 is just built the concrete base face, and it has geotechnological cloth 33 to paste on the boss 32.
The geotextile 33 has the functions of seepage prevention and reverse filtration, and can block the silt brought to the drainage plate 3 along with the water flow, so as to prevent the silt from blocking the flow guide gap on the drainage plate 3 and influencing the flow guide effect of the drainage plate 3.
To sum up, the seepage easily takes place for the cliff in the concrete base outside of just building in of tunnel, and the anchor end 11 of stock 1 inserts the cliff, and the rivers of leakage department can follow 1 outer wall of stock and just build the gap seepage between the concrete base inboard just building in to the concrete base on the cliff.
The sealed glue of polyurethane fills sealedly to the anchor end 11 of stock 1 and the gap between the concrete base face of just building, and drain bar 3 plays the effect of keeping apart and water conservancy diversion to the water of permeating the concrete base face of just building, and rivers are gone out along the one side water conservancy diversion of drain bar 3.
Butyl adhesive tape 4 has water-proof effects, prevents that water from leaking the another side of drain bar 3 from the gap between the outer wall of stock 1 and drain bar 3 through-hole 31, and protection sealing glue layer 5 plays the guard action to other waterproof construction, avoids other waterproof construction to receive the damage, influences water-proof effects.
Finally, it should be noted that: the embodiments in the present description are all described in a progressive manner, each embodiment focuses on the differences from the other embodiments, and the same and similar parts among the embodiments can be referred to each other; the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the embodiments and features of the embodiments in the present application may be combined with each other without conflict. Such modifications, substitutions or combinations do not depart from the scope of the invention in its spirit or essential characteristics.
Claims (8)
1. The utility model provides a tunnel stock node waterproof construction which characterized in that includes: the anchor rod, the polyurethane sealing adhesive layer, the drainage plate, the butyl adhesive tape and the protective sealing adhesive layer;
one end of the anchor rod inserted into the primary concrete base surface of the tunnel is an anchoring end, and one end of the anchor rod arranged outside the primary concrete base surface is a free end;
the polyurethane sealing glue layer is coated on the root of the free end of the anchor rod, a through hole is formed in the drain plate corresponding to the free end of the anchor rod, the through hole is sleeved at the free end of the anchor rod, and one surface of the drain plate is in contact with the primary concrete base surface;
the butyl adhesive tape is wound on the free end of the anchor rod and penetrates out of the root of the through hole, and the protective sealing adhesive layer covers and is coated on the root of the free end of the anchor rod, wherein the butyl adhesive tape is wound on the root of the free end of the anchor rod.
2. The tunnel anchor rod joint waterproof structure according to claim 1, further comprising a polyurethane sealant caulking layer disposed between an inner wall of the through hole and an outer wall of the anchor rod.
3. The tunnel anchor rod node waterproof structure of claim 1, further comprising glass fiber cloth, wherein the glass fiber cloth is adhered to the periphery of the through hole on the side, away from the primary concrete base surface, of the drainage plate.
4. The tunnel anchor node waterproof structure of claim 3, further comprising an epoxy interfacial agent layer, wherein the epoxy interfacial agent layer is brushed between the glass fiber cloth and the drainage plate.
5. The tunnel anchor node waterproof construction of claim 4, further comprising a first layer of anti-slip coating brushed between the epoxy interfacial agent layer and the fiberglass cloth.
6. The tunnel anchor node waterproof construction of claim 5, further comprising a second layer of anti-slip coating material brushed on a side of the fiberglass cloth remote from the drain board.
7. The tunnel anchor node waterproof structure of claim 1, wherein one side of the drain plate is provided with a plurality of bosses arranged in a matrix form.
8. The tunnel anchor rod node waterproof structure of claim 7, wherein the surface of the drain board provided with the boss faces the primary concrete base surface, and geotextile is adhered to the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977676.9U CN218716857U (en) | 2022-11-09 | 2022-11-09 | Tunnel stock node waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977676.9U CN218716857U (en) | 2022-11-09 | 2022-11-09 | Tunnel stock node waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218716857U true CN218716857U (en) | 2023-03-24 |
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ID=85609861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222977676.9U Active CN218716857U (en) | 2022-11-09 | 2022-11-09 | Tunnel stock node waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218716857U (en) |
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2022
- 2022-11-09 CN CN202222977676.9U patent/CN218716857U/en active Active
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