Tunnel engineering construction waterproof structure
By employing a combined structure of waterproof concrete layer, waterproof membrane layer, fiberglass layer and shotcrete layer in the tunnel waterproof structure, along with filter screens and reinforcing components, the problems of sediment accumulation in blind pipes and insufficient structural strength were solved, achieving normal water drainage and improving the stability and waterproofing effect of the waterproof structure.
Patent Information
- Application Number
- CN202520745057.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-19
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-19
AI Technical Summary
In existing tunnel waterproofing structures, blind pipes are prone to accumulating silt and sand, affecting the normal drainage of water. Furthermore, the structure lacks sufficient strength, making it susceptible to deformation and breakage, thus compromising the waterproofing effect.
It adopts a combined structure of waterproof concrete layer, waterproof membrane layer, glass fiber layer and sprayed concrete layer, and sets filter screens and reinforcing components inside and outside the blind pipe, including arched reinforcing ribs and longitudinal reinforcing ribs, the difference in pore size between the inner and outer filter screens, and the spiral protrusion structure inside the blind pipe.
It effectively reduces the probability of sediment entering the blind pipe, improves structural strength, prevents blockage of the blind pipe, ensures normal water discharge, avoids puncture by sharp objects, and enhances the overall stability and waterproof effect of the waterproof structure.
Smart Images
Figure CN223806155U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tunnel engineering technical field especially relates to a tunnel engineering construction waterproof structure. BACKGROUND
[0002] Tunnel engineering construction involves multiple links such as excavation, lining, support and so on, and aims to build a passageway or space structure meeting specific use function in underground space. Setting waterproof structure is to prevent underground water or other water sources from seeping into tunnel interior, avoid tunnel lining structure damage and steel bar corrosion due to water erosion, and ensure normal operation of equipment and facilities in tunnel.
[0003] But the existing tunnel waterproof structure has some shortcomings. First, the existing tunnel waterproof structure is often provided with a blind pipe for discharging seeped underground water, but the blind pipe is easy to accumulate too much silt inside after long-term use, affecting normal water discharge; second, the existing tunnel waterproof structure lacks better structural strength and is easy to deform and break under pressure, affecting waterproof effect, and therefore a tunnel engineering construction waterproof structure is proposed to solve the above problems. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a tunnel engineering construction waterproof structure, aiming at improving the problem that the blind pipe in the existing tunnel waterproof structure is easy to accumulate too much silt inside after long-term use, affecting normal water discharge, and the problem that the existing tunnel waterproof structure lacks better structural strength and is easy to deform and break under pressure, affecting waterproof effect.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a tunnel engineering construction waterproof structure, comprising a waterproof concrete layer, the outer wall of the waterproof concrete layer is fixedly connected with a waterproof roll layer, the outer wall of the waterproof roll layer is fixedly connected with a glass fiber layer, the outer wall of the glass fiber layer is fixedly connected with a shotcrete layer, the outer wall of the shotcrete layer is provided with a plurality of blind pipes, the inner wall of the glass fiber layer is installed with a reinforcing assembly, and the surface of the blind pipe is installed with a filtering assembly.
[0006] As a further description of the above technical scheme:
[0007] The reinforcing assembly comprises a plurality of arched reinforcing ribs and a plurality of longitudinal reinforcing ribs, the plurality of arched reinforcing ribs are uniformly fixedly connected to the inside of the glass fiber layer, and the inside of the plurality of arched reinforcing ribs is fixedly connected with the plurality of longitudinal reinforcing ribs.
[0008] As a further description of the above technical scheme:
[0009] The filtering assembly comprises an outer filter screen and an inner filter screen, the outer filter screen is fixedly connected to the outer wall of the blind pipe, and the inner filter screen is fixedly connected to the inner wall of the blind pipe.
[0010] As a further description of the above technical solutions:
[0011] The aperture of the inner filter screen is smaller than that of the outer filter screen.
[0012] As a further description of the above technical solutions:
[0013] The inner wall of the inner filter screen is fixedly connected with a spiral protrusion.
[0014] As a further description of the above technical solutions:
[0015] The surface of the blind pipe is fixedly connected with a non-woven fabric layer, and the non-woven fabric layer is fixedly connected to the outer wall of the sprayed concrete layer.
[0016] As a further description of the above technical solutions:
[0017] The bottom of the inner wall of the waterproof concrete layer is fixedly connected with a drainage groove.
[0018] As a further description of the above technical solutions:
[0019] The top end of the drainage groove is uniformly fixedly connected with a plurality of support rods, and the top end of the plurality of support rods is fixedly connected with the inner wall of the waterproof concrete layer.
[0020] The utility model has the advantages of the following beneficial effects:
[0021] 1. In the utility model, filter screens are arranged on the inner and outer sides of the blind pipe of the tunnel waterproof structure, the outer filter screen can block larger impurities, the inner filter screen can filter small particles, the filtering pressure is reduced, the entry of silt is effectively reduced, the spiral protrusion structure in the blind pipe can make the water flow rotate to increase the turbulence, prevent the silt from depositing on the pipe wall, reduce the probability of blockage, and ensure the normal discharge of the water body.
[0022] 2. In the utility model, a glass fiber layer is arranged in the tunnel waterproof structure, the puncture resistance is improved, sharp objects cannot pierce the waterproof structure, the glass fiber layer has staggered arched reinforcing ribs and longitudinal reinforcing ribs, the structural strength of the waterproof structure is effectively improved, the waterproof structure is not easy to deform and break under pressure, and the waterproof effect is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 A structural schematic view of a tunnel engineering construction waterproof structure is provided for the utility model;
[0024] Figure 2 A sectional view of a glass fiber layer of a tunnel engineering construction waterproof structure is provided for the utility model;
[0025] Figure 3 A cross section diagram of a blind pipe of a tunnel engineering construction waterproof structure is provided.
[0026] Legend:
[0027] 1, non-woven fabric layer; 2, shotcrete layer; 3, glass fiber layer; 4, waterproof roll layer; 5, waterproof concrete layer; 6, blind pipe; 7, arched reinforcing rib; 8, longitudinal reinforcing rib; 9, outer filter screen; 10, inner filter screen; 11, spiral protrusion; 12, drainage groove; 13, support rod. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0029] With reference to Figure 1 , the utility model provides an embodiment: a tunnel engineering construction waterproof structure, including waterproof concrete layer 5, waterproof concrete layer 5 plays the role of support to waterproof structure main part and has certain waterproof effect, the outer wall of waterproof concrete layer 5 is fixedly connected with waterproof roll layer 4, can strengthen waterproof performance using waterproof roll layer 4, avoid the penetration of water, the outer wall of waterproof roll layer 4 is fixedly connected with glass fiber layer 3, can improve the puncture resistance, avoid sharp object puncture waterproof structure, the outer wall of glass fiber layer 3 is fixedly connected with shotcrete layer 2, plays the role of preliminary support when waterproof structure is built, the outer wall of shotcrete layer 2 is provided with a plurality of blind pipes 6, the underground water that seeps from surrounding rock can enter blind pipe 6 and be guided to the tunnel outside along blind pipe 6 to play the role of drainage, the inner wall of glass fiber layer 3 is installed with reinforcing assembly for improving structural strength, the surface of blind pipe 6 is installed with filter assembly for reducing silt impurities into blind pipe 6.
[0030] With reference to Figure 2 , reinforcing assembly includes a plurality of arched reinforcing ribs 7 and a plurality of longitudinal reinforcing ribs 8, a plurality of arched reinforcing ribs 7 are evenly fixedly connected in the interior of glass fiber layer 3, the inner side of a plurality of arched reinforcing ribs 7 is fixedly connected with a plurality of longitudinal reinforcing ribs 8, by setting the staggered arched reinforcing rib 7 and longitudinal reinforcing rib 8 in glass fiber layer 3, the structural strength of waterproof structure can be effectively improved, and deformation and fracture under pressure are not easy, ensuring waterproof effect.
[0031] With reference to Figure 3The filter assembly comprises an outer filter screen 9 and an inner filter screen 10, the outer filter screen 9 is fixedly connected to the outer wall of the blind pipe 6, and the inner filter screen 10 is fixedly connected to the inner wall of the blind pipe 6; by arranging the filter screens on the inner and outer sides of the blind pipe 6, the entry of the silt can be effectively reduced.
[0032] With reference to Figure 3 The aperture of the inner filter screen 10 is smaller than that of the outer filter screen 9; the outer filter screen 9 can block larger impurities, and the inner filter screen 10 can filter small particles, thereby reducing the filtering pressure.
[0033] With reference to Figure 3 The inner wall of the inner filter screen 10 is fixedly connected with a spiral protrusion 11; the spiral protrusion 11 in the blind pipe 6 can make the water flow rotate and increase the turbulence, prevent the silt from depositing on the pipe wall, and reduce the probability of blockage.
[0034] With reference to Figure 1 The surfaces of the plurality of blind pipes 6 are fixedly connected with non-woven fabric layers 1, and the non-woven fabric layers 1 are fixedly connected to the outer wall of the sprayed concrete layer 2; the non-woven fabric layers 1 support the installation of the blind pipes 6 and can filter the silt.
[0035] With reference to Figure 1 The bottom of the inner wall of the waterproof concrete layer 5 is fixedly connected with a drainage groove 12; the water in the tunnel can be drained through the drainage groove 12 on the side edge to avoid accumulation.
[0036] With reference to Figure 1 The top ends of the drainage grooves 12 are uniformly fixedly connected with a plurality of support rods 13, and the top ends of the plurality of support rods 13 are fixedly connected with the inner wall of the waterproof concrete layer 5; the plurality of support rods 13 can support the waterproof structure and improve the stability.
[0037] Working principle: through setting several blind pipes 6 outside waterproof structure, groundwater seeping from surrounding rock can enter blind pipe 6 and be guided to tunnel outside for discharge along blind pipe 6, to play the role of drainage, the set shotcrete layer 2 and waterproof concrete layer 5 play the effect of supporting waterproof structure, the set waterproof coiled material layer 4 can strengthen waterproof performance, avoid water penetration, through setting filter screen inside and outside blind pipe 6 of tunnel waterproof structure, and the filtering accuracy of inside filter screen is higher, utilize outer filter screen 9 to block larger impurities, then utilize inside filter screen 10 to filter small particles, can reduce filtration pressure, effectively reduce the entry of silt, and the spiral protrusion 11 structure in blind pipe 6 can make water flow produce rotation and increase turbulence, prevent silt from depositing on pipe wall, reduce the probability of blockage, ensure the normal discharge of water body, through setting glass fibre layer 3 in tunnel waterproof structure, can improve puncture resistance, avoid sharp objects from piercing waterproof structure, and glass fibre layer 3 has staggered arched reinforcing rib 7 and longitudinal reinforcing rib 8, can effectively improve the structural strength of waterproof structure, not easy to deform and fracture under pressure, ensure waterproof effect.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application and does not limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A waterproof structure for tunnel engineering construction, comprising a waterproof concrete layer (5), characterized in that: The outer wall of the waterproof concrete layer (5) is fixedly connected with a waterproof coiled material layer (4), the outer wall of the waterproof coiled material layer (4) is fixedly connected with a glass fiber layer (3), the outer wall of the glass fiber layer (3) is fixedly connected with a shotcrete layer (2), the outer wall of the shotcrete layer (2) is provided with a plurality of blind pipes (6), the inner wall of the glass fiber layer (3) is installed with a reinforcing assembly, and the surface of the blind pipe (6) is installed with a filtering assembly.
2. A waterproof structure for tunnel engineering construction according to claim 1, characterized in that: The reinforcing assembly comprises a plurality of arched reinforcing ribs (7) and a plurality of longitudinal reinforcing ribs (8), the plurality of arched reinforcing ribs (7) are fixedly connected to the inside of the glass fiber layer (3), and the inner side of the plurality of arched reinforcing ribs (7) is fixedly connected with the plurality of longitudinal reinforcing ribs (8).
3. The waterproof structure for tunnel engineering construction according to claim 1, characterized in that: The filtering assembly comprises an outer filter screen (9) and an inner filter screen (10), the outer filter screen (9) is fixedly connected to the outer wall of the blind pipe (6), and the inner filter screen (10) is fixedly connected to the inner wall of the blind pipe (6).
4. The waterproof structure for tunnel engineering construction according to claim 3, characterized in that: The pore size of the inner filter screen (10) is smaller than that of the outer filter screen (9).
5. The waterproof structure for tunnel engineering construction according to claim 3, characterized in that: The inner wall of the inner filter screen (10) is fixedly connected with a spiral protrusion (11).
6. The waterproof structure for tunnel engineering construction according to claim 1, characterized in that: The surface of the plurality of blind pipes (6) is fixedly connected with a non-woven fabric layer (1), and the non-woven fabric layer (1) is fixedly connected to the outer wall of the shotcrete layer (2).
7. The waterproof structure for tunnel engineering construction according to claim 1, characterized in that: The bottom of the inner wall of the waterproof concrete layer (5) is fixedly connected with a drainage groove (12).
8. A waterproof structure for tunnel engineering construction according to claim 7, characterized in that: The top end of the drainage groove (12) is uniformly fixedly connected with a plurality of support rods (13), and the top end of the plurality of support rods (13) is fixedly connected with the inner wall of the waterproof concrete layer (5).