Off-wall ditch structure for cast-in-place concrete station
By using concrete solid bricks and PVC drainage tanks combined with waterproofing layers in cast-in-place concrete stations, the construction complex and leakage problems in the prior art are solved, and the effect of simplifying construction and improving durability is achieved.
Patent Information
- Application Number
- CN202422363036.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The existing underground stations need to be re-poured during construction of the wall-free ditch, which is a large workload and there is a risk of water leakage after the service life increases.
Solid concrete bricks are used as the water barrier, and a U-shaped drainage tank is set up in it, combining a polyurethane waterproof layer and a multi-layer cement mortar layer to form a waterproof structure. The drainage tank is made of PVC material to improve durability and drainage effect.
The construction process is simplified, the construction personnel demand is reduced, the leakage risk is reduced, and the durability and drainage efficiency of the structure are improved.
Smart Images
Figure CN223088465U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of underground station drainage, and particularly relates to a separated wall gutter structure for a cast-in-place concrete station. Background Art
[0002] An underground station generally refers to a subway station or a light rail station built underground, which is an important part of an urban rail transit system. The passage of an underground station generally includes side walls and a middle slab (floor slab). A separated wall gutter needs to be provided in the passage to collect the seepage water of the side walls, so as to prevent the seepage water from penetrating into the internal use space, thereby ensuring the normal use of the station.
[0003] The separated wall gutter includes a water retaining sill and a groove. The water retaining sill is arranged on the middle slab and is spaced from the side wall, and the groove is formed between the water retaining sill and the side wall. In the prior art, during the construction of an underground station, the formwork of the side wall causes the water retaining sill to be unable to be integrally cast, and secondary casting by post-embedded bars is required, with a large workload. At the same time, as the service life of the underground station increases, the concrete is prone to cracking, and there is a risk of water leakage. Summary of the Utility Model
[0004] (1) The problem to be solved by the utility model is that the existing separated wall gutter requires secondary casting by post-embedded bars, with a large workload, and there is a certain risk of water leakage as the service life increases.
[0005] (2) Technical Solution
[0006] To solve the above technical problems, an embodiment of the utility model provides a separated wall gutter structure for a cast-in-place concrete station, and the cast-in-place concrete station includes side walls and a middle slab;
[0007] The separated wall gutter structure for the cast-in-place concrete station includes: concrete solid bricks and a drainage trough;
[0008] The concrete solid bricks are fixedly arranged on the middle slab, and are spaced from the side wall; a groove is formed between the concrete solid bricks and the side wall;
[0009] The cross-section of the drainage trough is U-shaped, and the drainage trough is fixedly arranged in the groove and is used for drainage diversion.
[0010] Further, the drainage trough is made of PVC material.
[0011] Further, the upper edge of the drainage trough is flush with the upper surface of the concrete solid brick, or the upper edge of the drainage trough is higher than the upper surface of the concrete solid brick.
[0012] Further, a waterproof layer is provided between the groove and the drainage trough.
[0013] Further, the waterproof layer includes a polyurethane waterproof layer.
[0014] Further, the waterproof layer further includes a first cement mortar layer covering the surface of the polyurethane waterproof layer.
[0015] Further, the waterproof layer further includes a second cement mortar layer covering the surface of the first cement mortar layer.
[0016] Further, one end of the second cement mortar layer is inclined to connect with the side wall, and the other end covers the concrete solid bricks and connects with the decorative layer provided on the middle slab.
[0017] Further, the thickness of the part of the second cement mortar layer between the side wall of the drainage trough and the first cement mortar layer is 20 mm, and the thickness of the part of the second cement mortar layer between the bottom wall of the drainage trough and the first cement mortar layer is 30 mm.
[0018] Further, the second cement mortar layer is connected with the side wall through a sealant, and the sealant seals the polyurethane waterproof layer and the first cement mortar layer.
[0019] Advantages of the present utility model:
[0020] A separated gutter structure for a cast-in-situ concrete station provided by the present utility model, the cast-in-situ concrete station includes a side wall and a middle slab; the separated gutter structure for the cast-in-situ concrete station includes: concrete solid bricks and a drainage trough. The concrete solid bricks are fixedly arranged on the middle slab, and there is a gap between the concrete solid bricks and the side wall; a groove is formed between the concrete solid bricks and the side wall; the cross-section of the drainage trough is U-shaped, and the drainage trough is fixedly arranged in the groove and is used for drainage.
[0021] By using concrete solid bricks as water retaining sills and cooperating with the drainage trough arranged in the groove, it has the characteristics of simple structure, convenient construction and not easy to leak. Compared with the prior art, it solves the problems of difficult rebar planting, many on-site processes, slow construction speed, easy leakage and the need for a large number of construction workers in the traditional separated gutter. Description of the drawings
[0022] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0023] Figure 1The structural schematic diagram of the separated wall trench structure for the cast-in-place concrete station provided by the embodiment of the present utility model.
[0024] Icon: 11 - side wall; 12 - middle slab; 13 - decorative layer; 14 - decorative panel
[0025] 21 - concrete solid brick; 22 - drainage trough; 23 - first cement mortar layer; 24 - polyurethane waterproof layer; 25 - second cement mortar layer; 26 - sealant Specific embodiments
[0026] Next, the technical solutions of the present utility model will be described clearly and completely in conjunction with the embodiments. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0027] As Figure 1 shown, an embodiment of the present utility model provides a separated wall trench structure for a cast-in-place concrete station. The cast-in-place concrete station includes a side wall 11 and a middle slab 12. The separated wall trench structure for the cast-in-place concrete station includes: a concrete solid brick 21 and a drainage trough 22. The concrete solid brick 21 is fixedly arranged on the middle slab 12, and there is a gap between the concrete solid brick 21 and the side wall 11. A groove is formed between the concrete solid brick 21 and the side wall 11. The cross-section of the drainage trough 22 is U-shaped, and the drainage trough 22 is fixedly arranged in the groove and is used for drainage.
[0028] The off-wall gutter structure for a cast-in-place concrete station provided in this embodiment. The cast-in-place concrete station includes a middle slab 12 and side walls 11 on both sides of the middle slab 12. The middle slab 12 and the side walls 11 are integrally cast. The off-wall gutter structure for the cast-in-place concrete station is provided at the side walls 11, and the above-mentioned off-wall gutter structure for the cast-in-place concrete station is provided at both side walls 11. In this embodiment, the off-wall gutter structure for the cast-in-place concrete station includes concrete solid bricks 21 and drainage grooves 22. Among them, the concrete solid bricks 21 are made of materials such as cement, stones, and sand, mixed and stirred in a certain proportion, and then made into bricks through processes such as vibration molding and curing. It has high strength, good durability, and heat insulation performance. The concrete solid bricks 21 are fixed on the middle slab 12. Optionally, the middle slab 12 can be roughened first, and then the concrete solid bricks 21 are fixed on the middle slab 12 through cement mortar. After the concrete solid bricks 21 are fixed on the middle slab 12, the concrete solid bricks 21 serve as water retaining sills and form a groove with the adjacent side walls 11. The cross-section of the drainage groove 22 is a U-shaped groove, which has an arc section and vertical sections on both sides of the arc section. The arc section is the bottom wall of the drainage groove 22, and the two vertical sections are the side walls of the drainage groove 22. The drainage groove 22 is fixed in the groove for drainage. It should be noted that in this embodiment, multiple concrete solid bricks 21 are used as water retaining sills, and all the concrete solid bricks 21 are spliced in sequence along the extension direction of the side wall 11.
[0029] The off-wall gutter structure for a cast-in-place concrete station provided in this embodiment, by using the concrete solid bricks 21 as water retaining sills and cooperating with the drainage grooves 22 arranged in the grooves, has the characteristics of simple structure, convenient construction, and not easy to leak. Compared with the prior art, it solves the problems of difficult rebar planting in traditional off-wall gutters, many on-site processes, slow construction speed, easy leakage, and the need for a large number of construction workers for construction.
[0030] In the off-wall gutter structure for a cast-in-place concrete station provided by an embodiment of the present utility model, the drainage groove 22 is made of PVC material.
[0031] In this embodiment, the material of the drainage groove 22 is PVC (Polyvinyl Chloride), which has good chemical corrosion resistance and weather resistance, thus avoiding corrosion and aging of the drainage groove 22 and preventing water seepage from occurring as the service life increases. Moreover, after the drainage groove 22 is made of PVC material, its surface is smoother and the drainage effect is better.
[0032] In the off-wall gutter structure for a cast-in-place concrete station provided by an embodiment of the present utility model, as Figure 1 shown, the upper edge of the drainage groove 22 is flush with the upper surface of the concrete solid brick 21, or the upper edge of the drainage groove 22 is higher than the upper surface of the concrete solid brick 21.
[0033] In this embodiment, the upper edge of the drain trough 22 is the end of the two side walls of the drain trough 22 away from the bottom wall. By setting the upper edge of the drain trough 22 to be flush with or slightly higher than the upper surface of the concrete solid brick 21, water seepage into the concrete solid brick 21 can be avoided, and the waterproof effect can be improved.
[0034] The separated wall trench structure for cast-in-place concrete stations provided by the embodiment of the present utility model, as Figure 1 shown, a waterproof layer is provided between the groove and the drain trough 22.
[0035] In this embodiment, preferably, the groove and the drain trough 22 are filled with a waterproof layer, which can improve the sealing effect and thus prevent water seepage from penetrating into the internal use space.
[0036] The separated wall trench structure for cast-in-place concrete stations provided by the embodiment of the present utility model, the waterproof layer includes a polyurethane waterproof layer 24.
[0037] In this embodiment, the polyurethane waterproof layer 24 has relatively excellent waterproof performance, durability and elasticity. By providing the polyurethane waterproof layer 24 between the groove and the drain trough 22, and the polyurethane waterproof layer 24 covering the side wall and the bottom wall of the groove, water penetration can be effectively prevented, and water seepage affecting the use of the internal space of the cast-in-place concrete station can be avoided. Optionally, in this embodiment, the thickness of the polyurethane waterproof layer 24 is set to 2 mm to prevent water penetration to the greatest extent while controlling costs. It should be noted that the bottom wall of the groove is formed by the part of the middle plate 12 between the side wall 11 and the concrete solid brick 21, and the side wall of the groove is formed by the side of the concrete solid brick 21 facing the side wall 11 and the part of the side wall 11 opposite to the concrete solid brick 21.
[0038] It can be understood that in this embodiment, the waterproof layer can also be a rubber-based waterproof layer, an asphalt-based waterproof layer, a TPO (Thermoplastic Polyolefin) waterproof layer, etc., all of which can achieve the purpose of preventing water seepage in this embodiment.
[0039] The separated wall trench structure for cast-in-place concrete stations provided by the embodiment of the present utility model, as Figure 1 shown, the waterproof layer further includes a first cement mortar layer 23 covering the surface of the polyurethane waterproof layer 24.
[0040] In this embodiment, the first cement mortar layer 23 covers the polyurethane waterproof layer 24, and its thickness is preferably set to 10 mm to avoid affecting the layout of the drain trough 22. By providing the first cement mortar layer 23 on the surface of the polyurethane waterproof layer 24, water penetration can be effectively prevented, and at the same time, the polyurethane waterproof layer 24 can be ensured to be dense and complete.
[0041] The separated wall gutter structure for a cast-in-place concrete station provided by an embodiment of the present utility model is as follows Figure 1 shown, the waterproof layer further includes a second cement mortar layer 25 covering the surface of the first cement mortar layer 23.
[0042] In this embodiment, the surface of the first cement mortar layer 23 is covered with a second cement mortar layer 25. Preferably, the thickness of the second cement mortar layer 25 is greater than that of the first cement mortar layer 23. By arranging the second cement mortar layer 25, it is used for waterproofing and anti-corrosion, and at the same time can play a certain fixing role on the drainage trough 22 made of PVC material, ensuring the stability of the drainage trough 22.
[0043] The separated wall gutter structure for a cast-in-place concrete station provided by an embodiment of the present utility model is as follows Figure 1 shown, one end of the second cement mortar layer 25 is inclined and connected to the side wall 11, and the other end covers the concrete solid brick 21 and is connected to the decorative layer 13 provided on the middle plate 12.
[0044] In this embodiment, in order to further improve the waterproofing and anti-corrosion effects, one end of the second cement mortar layer 25 is connected to the side wall 11, and the other end covers the surface of the concrete solid brick 21 and is in contact with the decorative layer 13 on the middle plate 12. For the aesthetics of the middle plate 12, a decorative layer 13 is laid on the middle plate 12. Part of the concrete solid brick 21 is located below the decorative layer 13, and the part located above the decorative layer 13 is covered with the above-mentioned second cement mortar layer 25. The above-mentioned decorative layer 13 can be cement mortar and tiles fixed by cement mortar above the cement mortar, etc.
[0045] Furthermore, in this embodiment, in order to ensure the aesthetics of the side wall 11, a decorative panel 14 is covered on the side wall 11. Among them, preferably, in order to ensure aesthetics and at the same time improve the waterproof effect, the part of the second cement mortar layer 25 located on the side facing away from the side wall 11 of the concrete solid brick 21 is flush with the side facing away from the side wall 11 of the decorative panel 14.
[0046] The separated wall gutter structure for a cast-in-place concrete station provided by an embodiment of the present utility model is as follows Figure 1 shown, the thickness of the part of the second cement mortar layer 25 located between the side wall of the drainage trough 22 and the first cement mortar layer 23 is 20 mm, and the thickness of the part of the second cement mortar layer 25 located between the bottom wall of the drainage trough 22 and the first cement mortar layer 23 is 30 mm.
[0047] Preferably, in this embodiment, in order to improve the fixing effect of the drainage trough 22, enhance the waterproof and anti-corrosion effects, and improve the drainage capacity, the thickness of the second cement mortar layer 25 at the part between the side wall of the drainage trough 22 and the first cement mortar layer 23 is 20 mm, and the thickness of the second cement mortar layer 25 at the part between the bottom wall of the drainage trough 22 and the first cement mortar layer 23 is 30 mm.
[0048] The separated wall trench structure for the in-situ concrete station provided by the embodiment of the present utility model is as Figure 1 shown. The second cement mortar layer 25 is connected to the side wall 11 through a sealant 26, and the sealant 26 seals the polyurethane waterproof layer 24 and the first cement mortar layer 23.
[0049] In this embodiment, preferably, the upper edges on the side away from the side wall 11 of the drainage trough 22, the upper edges on the side away from the side wall 11 of the polyurethane waterproof layer 24, and the upper edges on the side away from the side wall 11 of the first cement mortar layer 23 are all flush with each other. As mentioned above, the second cement mortar layer 25 extends to the decorative layer 13 of the middle plate 12. Therefore, the upper edges on the side away from the side wall 11 of the drainage trough 22, the upper edges on the side away from the side wall 11 of the polyurethane waterproof layer 24, and the upper edges on the side away from the side wall 11 of the first cement mortar layer 23 are covered by the second cement mortar layer 25 to improve the waterproof and anti-corrosion effects. In order to improve the anti-seepage effect, the upper edges on the side close to the side wall 11 of the polyurethane waterproof layer 24 and the upper edges on the side close to the side wall 11 of the first cement mortar layer 23 are higher than the upper edges on the side close to the side wall 11 of the drainage trough 22. Therefore, one side of the upper edge of the second cement mortar layer 25 at the end close to the side wall 11 is flush with the drainage trough 22, and the other side is transitioned through an inclined surface and is flush with the upper edges on the side close to the side wall 11 of the polyurethane waterproof layer 24 and the upper edges on the side close to the side wall 11 of the first cement mortar layer 23. In order to further improve the waterproof and anti-corrosion effects and prevent the seepage water from the side wall 11 from penetrating, a sealant 26 is provided at the upper edges on the side close to the side wall 11 of the polyurethane waterproof layer 24 and the upper edges on the side close to the side wall 11 of the first cement mortar layer 23 for sealing. That is, in this embodiment, the second cement mortar layer 25 is connected to the side wall 11 through the sealant 26, and the sealant 26 seals the polyurethane waterproof layer 24 and the first cement mortar layer 23.
[0050] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0051] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the connection inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise stated, the meaning of "a plurality of" is two or more than two.
[0052] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A separated wall trench structure for a cast-in-place concrete station, the cast-in-place concrete station including a side wall (11) and a middle slab (12); It is characterized in that The separated wall trench structure for the cast-in-place concrete station includes: concrete solid bricks (21) and a drainage trough (22); The concrete solid bricks (21) are fixedly arranged on the middle slab (12), and there is a gap between the concrete solid bricks (21) and the side wall (11); a groove is formed between the concrete solid bricks (21) and the side wall (11); The cross-section of the drainage trough (22) is U-shaped, and the drainage trough (22) is fixedly arranged in the groove and used for drainage.
2. The separated wall gutter structure for in-situ concrete station according to claim 1, wherein The drainage trough (22) is made of PVC material.
3. The separated gutter structure for in-situ concrete station according to claim 1, characterized in that, The upper edge of the drainage trough (22) is flush with the upper surface of the concrete solid bricks (21), or the upper edge of the drainage trough (22) is higher than the upper surface of the concrete solid bricks (21).
4. The separated wall trench structure for in-situ concrete station according to claim 1, characterized in that, A waterproof layer is provided between the groove and the drainage trough (22).
5. The off-wall gutter structure for in-situ concrete stations according to claim 4, characterized in that, The waterproof layer includes a polyurethane waterproof layer (24).
6. The separated wall gutter structure for in-situ concrete station according to claim 5, characterized in that The waterproof layer further includes a first cement mortar layer (23) covering the surface of the polyurethane waterproof layer (24).
7. The separated wall trench structure for in-situ concrete station according to claim 6, characterized in that, The waterproof layer further includes a second cement mortar layer (25) covering the surface of the first cement mortar layer (23).
8. The off-wall gutter structure for the in-situ concrete station according to claim 7, characterized in that, One end of the second cement mortar layer (25) is inclined to connect with the side wall (11), and the other end covers the concrete solid bricks (21) and connects with a decorative layer (13) arranged on the middle slab (12).
9. The separated wall gutter structure for in-situ concrete station according to claim 7, characterized in that, The thickness of the part of the second cement mortar layer (25) between the side wall of the drainage trough (22) and the first cement mortar layer (23) is 20 mm, and the thickness of the part of the second cement mortar layer (25) between the bottom wall of the drainage trough (22) and the first cement mortar layer (23) is 30 mm.
10. The separated wall gutter structure for in-situ concrete station according to claim 8, characterized in that, The second cement mortar layer (25) is connected with the side wall (11) through a sealant (26), and the sealant (26) seals the polyurethane waterproof layer (24) and the first cement mortar layer (23).