CN214738302U - Waterproof wall-separating ditch structure for subway station - Google Patents
Waterproof wall-separating ditch structure for subway station Download PDFInfo
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- CN214738302U CN214738302U CN202120422799.9U CN202120422799U CN214738302U CN 214738302 U CN214738302 U CN 214738302U CN 202120422799 U CN202120422799 U CN 202120422799U CN 214738302 U CN214738302 U CN 214738302U
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Abstract
The utility model discloses a subway station is waterproof from wall ditch structure, this structure locate on the medium plate of the side wall one side of station and be located the below of construction joint on the side wall, waterproof from wall ditch structure includes the edge side wall length extending direction locates the manger plate bank on the medium plate, the manger plate bank with form the slot before the side wall, the fixed edge of having installed of slot length direction extends and up end open-ended drainage pipe, drainage pipe's surface with it is equipped with waterproof mortar to fill between the inner wall of slot, waterproof mortar with be equipped with waterproof construction layer between the slot inner wall. The utility model discloses a waterproof construction layer has guaranteed from the water-proof effects of wall ditch, and the up end open-ended drainage pipe who installs, simple to operate, the slope is adjusted easily, and water can not the direct contact waterproof construction layer, and the drainage pipe inner wall is smooth to be helped the discharge of water, has guaranteed from the drainage effects of wall ditch.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a subway station is waterproof from wall ditch structure.
Background
In the waterproof design of the underground station of the subway, the waterproof grade is first-grade waterproof, namely leakage water and wet stain are not allowed.
The subway station off-wall ditch structure is positioned at the joint position of the side wall and the plate and is mainly used for collecting and dredging side wall leakage water. The structural waterproof method in the prior art is that the side wall adopts impervious concrete to form a concrete self-waterproof structure; and the panels have no waterproof design requirements. Because the construction process problem often is to carry out the post-pouring construction from the wall ditch after the major structure is accomplished, also had the construction joint in the construction, and it is less to add from wall ditch structure size, and it is good along with the slope drainage from the interior slope of wall ditch, and the construction degree of difficulty is great, produces ponding easily in the ditch, and ponding can be through leaking to the rail line district from not having medium plate or construction joint of waterproof ability, finally leads to the water-proof effects relatively poor, also leaves the potential safety hazard for subway operation when increasing the leaking stoppage cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a subway station is waterproof from wall ditch structure, stopped because of from the wall ditch seepage influence subway operation security problem.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a subway station is waterproof from wall ditch structure, locate on the medium plate of the side wall one side of station and be located the below of construction joint on the side wall, waterproof from wall ditch structure includes the edge side wall length extending direction locates manger plate bank on the medium plate, manger plate bank with form the slot before the side wall, the fixed edge of having installed of slot internal fixation slot length direction extension and up end open-ended drainage pipe, drainage pipe's surface with it is equipped with waterproof mortar to fill in between the inner wall of slot, waterproof mortar with be equipped with waterproof construction layer between the slot inner wall.
Optionally, a steel bar structure extending into the middle plate is arranged in the water retaining sill.
Optionally, the drainage pipe is a semicircular PVC pipe.
Optionally, the waterproof structure layer comprises a waterproof coating layer and a waterproof roll, wherein the waterproof coating layer is wrapped on the outer surface of the waterproof mortar.
Optionally, the number of the waterproof coating layers is two, and the waterproof roll is laid between the two waterproof coating layers.
Optionally, the upper end surfaces of the waterproof mortar on the two sides of the drainage pipeline are obliquely arranged, and the upper end surfaces of the waterproof mortar are obliquely arranged on one side close to the drainage pipeline in a downward inclination mode.
Optionally, the drainage gradient of the drainage pipeline is 2% o.
The utility model discloses owing to adopt above-mentioned technical scheme, make it have following beneficial effect: guaranteed through waterproof construction layer from the water-proof effects of wall ditch, and the up end open-ended drainage pipe who installs, simple to operate, the slope is adjusted easily, and water can not direct contact waterproof construction layer, and the drainage pipe inner wall is smooth to be helped the discharge of water, has guaranteed from the drainage effects of wall ditch. Whole construction convenience, the reduction of erection time increases once and becomes the merit rate to "waterproof" and "drainage" dual means are administered the waterproof wall ditch construction of leaving of little structural dimension, have played good effect, have reduced later stage leaking stoppage cost, have stopped to influence subway operation security problem because of leaving the wall ditch seepage.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 shows the utility model discloses the waterproof mounted position structural sketch of wall ditch structure from the subway station.
Fig. 2 shows the utility model discloses waterproof section structure schematic diagram from wall ditch structure of subway station.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the utility model discloses subway station is waterproof from wall ditch structure, locate on the medium plate 2 that the level of 1 side of the side wall of station set up and be located the below of construction joint 8 on the side wall, the medium plate below is equipped with rail top wind channel 9, it is waterproof from wall ditch structure includes to locate the manger plate bank 3 on the medium plate 2 along 1 length extending direction of side wall, form slot 4 before manger plate bank and the side wall 1, slot 4 internal fixation has installed and has followed 4 length direction of slot extensions of slot and up end open-ended drainage pipe 6, it is equipped with waterproof mortar 5 to fill between the surface of drainage pipe 6 and the inner wall of slot 4, be equipped with waterproof structural layer 7 between waterproof mortar 5 and the slot 4 inner wall.
Be equipped with the steel bar structure 31 that extends to in the medium plate 2 in the manger plate bank 3 for the intensity of manger plate bank 3 is higher, and is better with the connection effect of medium plate 2, and wherein, the manger plate bank can be cast-in-place reinforced concrete structure or pour reinforced concrete structure after.
Drainage pipe 6 is the semi-circular PVC pipe, and PVC pipe surface is smooth, makes things convenient for rivers to assemble and improves the drainage effect. Through the setting of drainage pipe 6, the convenient adjustment is from the drainage slope of wall ditch, and in this embodiment, drainage pipe 6's drainage slope is 2 permillage.
The waterproof structure layer 7 comprises a waterproof coating layer and a waterproof coiled material which are wrapped on the outer surface of the waterproof mortar 5. And the number of the waterproof coating layers is two, and the waterproof coiled material is laid between the two waterproof coating layers. The waterproof coiled material is a polypropylene waterproof coiled material, the polypropylene waterproof coiled material is laid along the drainage direction and is adhered and lapped, and the lapping width is not less than 200 mm.
The upper end surfaces of the waterproof mortar 5 positioned on the two sides of the drainage pipeline 6 are obliquely arranged, and the upper end surfaces of the waterproof mortar 5 are obliquely arranged on one side close to the drainage pipeline 6 in an oblique direction, so that water on the upper end portion of the waterproof mortar 5 can be conveniently guided into the drainage pipeline 6.
Waterproof construction layer 7 through multilayer structure has guaranteed the water-proof effects from the wall ditch, and the up end open-ended drainage pipe 6 who installs, simple to operate, the slope is adjusted easily, and water can not direct contact waterproof construction layer 7, and drainage pipe 6 inner wall is smooth to be helped the discharge of water, has guaranteed the drainage effects from the wall ditch. As shown in figure 1, if seepage exists at the construction joint 8, water is guided into the drainage pipeline 6 through the inclined plane at the top of the waterproof mortar, so that the seepage water of the side wall can be collected and discharged. Whole construction convenience, the reduction of erection time increases once and becomes the merit rate to "waterproof" and "drainage" dual means are administered the waterproof wall ditch construction of leaving of little structural dimension, have played good effect, have reduced later stage leaking stoppage cost, have stopped to influence subway operation security problem because of leaving the wall ditch seepage.
The utility model discloses waterproof wall ditch structure of leaving of subway station is when the construction, including following step:
s1: and applying a water retaining ridge 3 on the middle plate 2 at a certain position spaced from the side wall 1 to form a groove 4 in front of the water retaining ridge 3 and the side wall 1.
Before the step of applying the waterproof structure layer 7, the method further comprises the following steps: and (3) applying a leveling layer on the bottom wall of the groove 4, and leveling the bottom wall of the groove 4, the side walls 1 forming the two side walls of the groove 4 and the side walls of the water retaining ridge 3. Meanwhile, mortar is filled in the internal corners, and arc-shaped objects are utilized to wipe the corners into fillet structures, so that the fillet structures are convenient for the subsequent construction of the waterproof structure layer 7.
S2: a waterproof structure layer 7 is applied on the bottom wall and two side walls of the groove 4.
S21: when the water content of the leveling layer is lower than 20%, brushing a first waterproof coating layer on the leveling layer and two side walls of the groove 4, wherein the waterproof coating is JS cement-based waterproof coating and water
The mud waterproof mortar 5 is formed by mixing and stirring;
s22: laying waterproof coiled material on the first waterproof coating layer, cutting the polypropylene waterproof coiled material according to the size of the groove 4, laying and jointing the waterproof coiled material from the bottom of the groove to the wall of the groove along the drainage direction, wherein the lapping width is not less than 20mm, and using a scraper blade to lay and joint the first waterproof coating layer and the waterproof coiled material when laying and jointing the waterproof coiled material
Removing redundant air between the timber;
s23: after the construction of the polypropylene waterproof coiled material is finished, the surface layer is inspected to have scratches, warped edges or hollows when the polypropylene waterproof coiled material is initially set, the polypropylene waterproof coiled material is immediately repaired, and a second waterproof coating layer is coated on the waterproof coiled material, and the joints are
Additional smearing and sealing;
s24: after the waterproof structure layer 7 is finished and the structures are solidified, dried and molded completely, a water closing test is carried out to prevent water leakage from influencing the waterproof effect.
S3: and applying waterproof mortar 5 on the waterproof structure layer 7.
S4: and a drainage pipeline 6 which is embedded in the waterproof mortar 5 and has an opening at the upper end surface is arranged on the waterproof mortar 5.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the equivalent embodiment without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a subway station is waterproof from wall ditch structure, its characterized in that, locate on the medium plate of the side wall one side of station and be located the below of construction joint on the side wall, waterproof from wall ditch structure includes the edge side wall length extending direction locates manger plate bank on the medium plate, manger plate bank with form the slot before the side wall, the ditch inslot fixed install the edge slot length direction extends and up end open-ended drainage pipe, drainage pipe's surface with waterproof mortar is filled between the inner wall of slot, waterproof mortar with be equipped with waterproof construction layer between the slot inner wall.
2. The subway station waterproof wall-separating ditch structure as claimed in claim 1, wherein a reinforcing steel bar structure extending into the middle plate is provided in the water retaining sill.
3. The subway station waterproof off-wall trench structure as claimed in claim 1, wherein said drainage pipe is a semicircular PVC pipe.
4. The subway station waterproof off-wall trench structure as claimed in claim 1, wherein said waterproof structure layer comprises a waterproof coating layer and a waterproof roll material wrapping the outer surface of said waterproof mortar.
5. The subway station waterproof off-wall trench structure as claimed in claim 4, wherein the number of the waterproof coating layers is two, and the waterproof roll is laid between the two waterproof coating layers.
6. The subway station waterproof off-wall trench structure as claimed in claim 1, wherein said waterproof mortar upper end surfaces on both sides of said drainage pipeline are disposed obliquely in a direction inclined downward to a side close to said drainage pipeline.
7. The subway station waterproof off-wall trench structure as claimed in claim 1, wherein the drainage slope of said drainage pipe is 2 ‰.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120422799.9U CN214738302U (en) | 2021-02-25 | 2021-02-25 | Waterproof wall-separating ditch structure for subway station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120422799.9U CN214738302U (en) | 2021-02-25 | 2021-02-25 | Waterproof wall-separating ditch structure for subway station |
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| CN214738302U true CN214738302U (en) | 2021-11-16 |
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| CN202120422799.9U Active CN214738302U (en) | 2021-02-25 | 2021-02-25 | Waterproof wall-separating ditch structure for subway station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854312A (en) * | 2021-02-25 | 2021-05-28 | 中建八局轨道交通建设有限公司 | Waterproof off-wall trench structure of subway station and construction method thereof |
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2021
- 2021-02-25 CN CN202120422799.9U patent/CN214738302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112854312A (en) * | 2021-02-25 | 2021-05-28 | 中建八局轨道交通建设有限公司 | Waterproof off-wall trench structure of subway station and construction method thereof |
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