Water stop structure suitable for underground station

Abstract

The utility model relates to the technical field of underground station waterproofing, in particular to a water stop structure suitable for an underground station, which comprises a station main body, a plurality of water stop plates, a plurality of water stop plates, a plurality of water stop plates and a plurality of water stop plates, and is characterized in that the station main body comprises an outer wall body and a floor, the outer wall body is provided with a plurality of construction joints, and an isolating layer is arranged on the outer top surface of the outer wall body; the annular water stop belt is in an annular shape, the annular water stop belt is pre-buried in the outer wall body, and the annular water stop belt penetrates through all the construction joints in the annular direction; and the floor waterstop is pre-buried in the floor. The annular waterstop is embedded in the outer wall body and is annular, so that the annular waterstop is arranged in the top plate, the side plate and the bottom plate of the outer wall body, the settlement stress of the station main body can be uniformly dispersed, and the situation that the annular waterstop is torn due to stress concentration caused by non-uniform settlement is avoided. The floor waterstop is arranged in the floor and used for preventing leakage caused by cracks generated by shrinkage of the floor.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of underground station waterproof, especially relates to a water stop structure suitable for underground station. BACKGROUND

[0002] The underground station waterproof directly relates to structural durability, operation safety and whole life cycle cost, and its importance is self-evident.Because the underground station needs to bear water and soil pressure, train dynamic load and environmental erosion for a long time, once the waterproof fails, not only the structure strength is reduced due to seepage corrosion, but also secondary disasters such as equipment short circuit and ground subsidence are caused, and more seriously, the overall stability may be threatened due to soil loss caused by seepage.

[0003] In the area of high underground water level or soft soil, uneven ground soil and load difference are easy to induce uneven settlement in the internal structure of the station, and the straight water stop belt is easy to be torn, which affects the waterproof effect of the underground station. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the deficiency that the straight water stop belt in the prior art is easy to be torn under the condition of uneven settlement in the underground station, and the waterproof effect of the underground station is affected, and provides a water stop structure suitable for underground station.

[0005] The utility model provides a water stop structure suitable for underground station, which comprises:

[0006] The station main body comprises an outer wall body and a floor slab, the outer wall body is provided with a plurality of construction joints, and the outer top surface of the outer wall body is provided with an isolation layer;

[0007] The ring-shaped water stop belt is embedded in the inner part of the outer wall body, and the ring-shaped water stop belt penetrates each construction joint along the ring direction.

[0008] The floor slab water stop belt is embedded in the inner part of the floor slab.

[0009] The ring-shaped water stop belt is embedded in the inner part of the outer wall body, and the ring-shaped water stop belt is ring-shaped, so that the ring-shaped water stop belt is arranged in the inner part of the top plate, the side plate and the bottom plate of the outer wall body, can uniformly disperse the settlement stress of the station main body, compared with the existing straight water stop belt, can eliminate the weak point of end lap, and is not easy to be torn due to stress concentration caused by uneven settlement. The floor slab water stop belt is arranged in the inner part of the floor slab, and is used for preventing cracks caused by floor slab shrinkage and seepage. The outer top surface of the outer wall body is further provided with an isolation layer, the isolation layer is arranged on the top surface of the top plate of the outer wall body, and the backfill soil can be prevented from piercing the waterproof layer as much as possible.

[0010] Preferably, the floor waterstop is provided with an upturned section at both ends, the upturned section extends away from one end of the floor waterstop towards the top plate of the outer wall body, the upturned section extends into the side wall of the station body, and the plane of the upturned section is parallel to the plane of the side wall.

[0011] The upturned section extends into the side wall, which can avoid water seepage in the dead angle at the intersection of the floor and the side wall as much as possible, and is beneficial to improve the waterproof performance of the structure.

[0012] Preferably, the distance from the upturned section to the top surface of the floor is greater than or equal to 200mm.

[0013] Preferably, the top surface of the upturned section is located between two adjacent construction joints.

[0014] The top surface of the upturned section is located between two adjacent construction joints, which can avoid stress concentration at the construction joint as much as possible, and is beneficial to improve the structural stability of the underground station.

[0015] Preferably, the two ends of the ring-shaped waterstop are overlapped inside the top plate of the station body, the overlapping length of the two ends of the ring-shaped waterstop is greater than or equal to 10cm, and the two ends of the ring-shaped waterstop are welded and fixed.

[0016] The two ends of the ring-shaped waterstop are overlapped, and the overlapping length is greater than or equal to 10cm, which is beneficial to ensure the waterproof effect. The two ends of the ring-shaped waterstop are welded and fixed, which can ensure the waterproof performance of the underground station.

[0017] Preferably, the side of the ring-shaped waterstop facing the inside of the station body is provided with waterstop glue.

[0018] The waterstop glue is provided, which is beneficial to improve the waterproof effect of the station.

[0019] Preferably, it further comprises an additional waterstop, the additional waterstop is arranged at the construction joint, one side of the additional waterstop is connected to the ring-shaped waterstop, the other side of the additional waterstop faces the inside of the station body, and the axis of the additional waterstop is perpendicular to the length direction of the ring-shaped waterstop.

[0020] The axis of the additional waterstop is perpendicular to the ring-shaped waterstop, which increases the waterproof protection in the area where the waterproof performance is relatively weak, and can ensure the waterproof effect of the underground station as much as possible.

[0021] Preferably, the construction joint is provided with waterstop glue.

[0022] The waterstop glue is arranged in the construction joint, which avoids the spread of accumulated water from the inside of the construction joint to other areas.

[0023] Preferably, the construction joint includes a vertical construction joint, and the flange of the circumferential waterstop disposed in the vertical construction joint is higher than the center hole of the circumferential waterstop.

[0024] Preferably, an externally attached waterstop is provided on the outer side of the circumferential waterstop.

[0025] An externally attached waterstop is installed on the outside of the circumferential waterstop, which helps to improve the water-stopping effect of this structure.

[0026] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0027] This utility model provides a water-stopping structure suitable for underground stations, including the station body, a circumferential waterstop, and a floor slab waterstop. The circumferential waterstop is embedded inside the exterior wall and is ring-shaped. Located within the top, side, and bottom slabs of the exterior wall, the circumferential waterstop evenly distributes the settlement stress of the station body. Compared to existing straight waterstops, this design helps eliminate weak points at the end overlaps and is less prone to tearing due to stress concentration caused by uneven settlement. The floor slab waterstop is located inside the floor slab to prevent leakage caused by cracks resulting from floor shrinkage. An isolation layer is also provided on the top surface of the exterior wall, located on the top surface of the top slab, which minimizes the risk of backfill soil piercing the waterproof layer. This application overcomes the shortcomings of existing straight waterstops, which are easily torn in the event of uneven settlement in underground stations, affecting the waterproofing effect. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of a water-stopping structure suitable for underground stations according to this utility model. Figure 1 ;

[0029] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0030] Figure 3 This is a schematic diagram of a water-stopping structure suitable for underground stations according to this utility model. Figure 2 ;

[0031] icon:

[0032] 1-Top slab, 101-Isolation layer, 2-Side wall, 3-Bottom slab, 4-Construction joint, 5-Circumferential waterstop, 6-Floor slab waterstop, 601-Upturned section, 7-Waterstop adhesive, 8-External waterstop, 9-Additional waterstop. Detailed Implementation

[0033] The utility model will be described in further detail below in combination with specific embodiments. However, this should not be understood as limiting the scope of the above-mentioned subject matter of the utility model to the following embodiments only, and any technology realized based on the content of the utility model falls within the scope of the utility model.

[0034] In the description of the embodiments of the utility model, the terms indicating the orientation or position relationship of "up", "down", "left", "right", "center", "inner", "outer", etc. are expressed based on the orientation or position relationship shown in the drawings, or the orientation or position relationship when the product / equipment / device of the utility model is usually used. These terms of orientation or position relationship are only used to facilitate the description of the utility model scheme or simplify the description in the embodiments, so as to enable the skilled person to quickly understand the scheme, and therefore cannot be understood as indicating or implying that the specific device / component / element must have a specific orientation or be constructed and operated in a specific position relationship, and therefore cannot be understood as limiting the utility model.

[0035] In addition, the terms "horizontal", "vertical", "overhanging", "parallel", etc. do not mean that the corresponding device / component / element must be absolutely horizontal or vertical or overhanging or parallel, but can be slightly inclined or deviated. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be simplified to understand that the corresponding device / component / element is arranged in the direction of "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8% or less, more preferably an error / deviation of ±6% or less, more preferably an error / deviation of ±5% or less, and more preferably an error / deviation of ±4% or less. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the scheme of the utility model.

[0036] In addition, the terms "first", "second", "third", etc. in the terms are only used to distinguish the description of the same or similar components, and should not be understood as emphasizing or implying the relative importance of the specific components.

[0037] In addition, in the description of the embodiments of the utility model, "several", "a plurality of", "several" represent at least 2. It can be 2, 3, 4, 5, 6, 7, 8, 9, etc. in any case, or even more than 9.

[0038] Furthermore, in the description of the technical scheme of the utility model, unless otherwise expressly specified / limited / limited, the term "set" "installation" "connected" "connected" "provided with" "laid" "arranged" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, which can be welding, riveting, bolting, screwing and other commonly used connecting means in the art. The connection can be mechanical connection, electrical connection or communication connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements.

[0039] Embodiment 1

[0040] As Figures 1 to 3 shown, a water stop structure suitable for an underground station comprises:

[0041] A station body, the station body comprising an outer wall body and a floor, the outer wall body being provided with a plurality of construction joints 4, and the outer top surface of the outer wall body being provided with an isolation layer 101;

[0042] A ring-shaped water stop belt 5, the ring-shaped water stop belt 5 being embedded inside the outer wall body, and the ring-shaped water stop belt 5 penetrating each of the construction joints 4 along the ring direction;

[0043] A floor water stop belt 6, the floor water stop belt 6 being embedded inside the floor.

[0044] The ring-shaped water stop belt 5 is embedded inside the outer wall body, and the ring-shaped water stop belt 5 is ring-shaped, so the ring-shaped water stop belt 5 is arranged inside the top plate 1, the side plate and the bottom plate 3 of the outer wall body, which can uniformly disperse the settlement stress of the station body, compared with the existing straight water stop belt, which is beneficial to eliminate the weak point of end lap, and is less likely to be torn due to stress concentration caused by non-uniform settlement. The floor water stop belt 6 is arranged inside the floor to prevent cracks caused by floor shrinkage from causing leakage. The outer top surface of the outer wall body is further provided with an isolation layer 101, so that the isolation layer 101 is arranged on the top surface of the top plate 1 of the outer wall body, which can as far as possible avoid the backfill soil from piercing the waterproof layer.

[0045] Further, the floor water stop belt 6 is provided with an upward segment 601 at both ends, the upward segment 601 extending away from one end of the floor water stop belt 6 towards the top plate 1 of the outer wall body, the upward segment 601 extending into the side wall 2 of the station body, and the plane where the upward segment 601 is located being parallel to the plane where the side wall 2 is located. The upward segment 601 extends into the side wall 2, which can as far as possible avoid the dead angle of the intersection between the floor and the side wall 2 from leaking, which is beneficial to improve the waterproof performance of the structure. The distance from the upward segment 601 to the top surface of the floor is greater than or equal to 200mm.

[0046] Further, the top surface of the upturned section 601 is located between two adjacent construction joints 4. The top surface of the upturned section 601 is located between two adjacent construction joints 4, so that stress concentration at the construction joints 4 can be avoided as much as possible, thereby improving the structural stability of the underground station.

[0047] Further, the two ends of the ring-shaped waterstop 5 are overlapped inside the top plate 1 of the station body, the overlapping length of the two ends of the ring-shaped waterstop 5 is greater than or equal to 10 cm, and the two ends of the ring-shaped waterstop 5 are welded and fixed. The two ends of the ring-shaped waterstop 5 are overlapped, and the overlapping length is greater than or equal to 10 cm, so as to ensure the waterstop effect. The two ends of the ring-shaped waterstop 5 are welded and fixed, so as to ensure the waterproof performance of the underground station.

[0048] Further, the side of the ring-shaped waterstop 5 facing the inside of the station body is provided with a waterstop glue 7.

[0049] Further, an additional waterstop 9 is further included, the additional waterstop 9 is arranged at the construction joint 4, one side of the additional waterstop 9 is connected to the ring-shaped waterstop 5, the other side of the additional waterstop 9 faces the inside of the station body, and the axis of the additional waterstop 9 is perpendicular to the length direction of the ring-shaped waterstop 5. The axis of the additional waterstop 9 is perpendicular to the ring-shaped waterstop 5, so as to increase the waterproof protection in a relatively weak waterproof area, and to ensure the waterproof effect of the underground station as much as possible.

[0050] Further, the water-expanding waterstop glue 7 is arranged in the construction joint 4.

[0051] Further, the construction joint 4 includes a vertical construction joint 4, and the flange of the ring-shaped waterstop 5 arranged in the vertical construction joint 4 is higher than the center hole of the ring-shaped waterstop 5.

[0052] Further, the outer side of the ring-shaped waterstop 5 is provided with an externally attached waterstop 8.

[0053] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A water stop structure suitable for use in an underground station, characterized by, The utility model relates to a station body, the station body includes outer wall body and floor, the outer wall body is provided with a plurality of construction joints (4), the outer top surface of outer wall body is provided with isolation layer (101), the ring waterstop (5) is circular, the ring waterstop (5) is embedded in the outer wall body, the ring waterstop (5) is along the annular and penetrates each construction joint (4), the floor waterstop (6) is embedded in the floor. The floor waterstop (6) is provided with the upper turning section (601) at both ends, the upper turning section (601) away from the one end of floor waterstop (6) extends towards the roof (1) of outer wall body, the upper turning section (601) stretches into the side wall (2) of station body, the plane where the upper turning section (601) is located is parallel to the plane where the side wall (2) is located. The distance from the upper turning section (601) to the roof top surface is greater than or equal to 200mm. The top surface of the upper turning section (601) is located between the adjacent two construction joints (4).

2. A water stop structure for use in an underground station according to claim 1, wherein The both ends of the ring waterstop (5) are overlapped in the roof (1) of station body, the overlapping length of the both ends of ring waterstop (5) is greater than or equal to 10cm, and the both ends of the ring waterstop (5) are welded and fixed.

3. A water stop structure for an underground station according to claim 2, wherein The side of the ring waterstop (5) towards the inside of station body is provided with waterstop glue (7).

4. A water stop structure for an underground station according to claim 2, wherein The utility model also includes additional waterstop (9), the additional waterstop (9) is arranged at the construction joint (4), one side of the additional waterstop (9) is connected to the ring waterstop (5), and the other side of the additional waterstop (9) is towards the inside of station body, and the axis of the additional waterstop (9) is perpendicular to the length direction of the ring waterstop (5).

5. A water stop structure for use in an underground station according to any one of claims 1 to 4, characterized in that, The construction joint (4) is provided with water-swelling waterstop glue (7).

6. A waterstop structure for use in an underground station according to any one of claims 1 to 4, wherein The construction joint (4) includes vertical construction joint (4), and the flange of the ring waterstop (5) arranged in the vertical construction joint (4) is higher than the center hole of the ring waterstop (5).

7. A waterstop structure for use in an underground station according to any one of claims 1 to 4, wherein The outer side of the ring waterstop (5) is provided with outer-pasted waterstop (8).

8. A waterstop structure for use in an underground station according to any one of claims 1 to 4, wherein ​ 9. A waterstop structure for use in an underground station according to any one of claims 1 to 4, wherein ​ 10. A waterstop structure for use in an underground station according to any one of claims 1 to 4, wherein ​

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