CN109826240B - Device for preventing post-cast strip of underground chamber bottom plate from leaking and construction method thereof - Google Patents

Device for preventing post-cast strip of underground chamber bottom plate from leaking and construction method thereof Download PDF

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CN109826240B
CN109826240B CN201811588926.1A CN201811588926A CN109826240B CN 109826240 B CN109826240 B CN 109826240B CN 201811588926 A CN201811588926 A CN 201811588926A CN 109826240 B CN109826240 B CN 109826240B
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layer
plate
telescopic
waterproof
base layer
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CN109826240A (en
Inventor
金中民
胡苗荣
袁雪林
宋鹏
钱琛
叶聃
金天天
崔暘
赵章华
赵岗华
杨磊磊
曹平
何巧莉
吴海涛
项东
高敏明
童鹏程
金红华
郑作刚
王顺喜
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Zhejiang Hua Lin Construction Group Co ltd
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Zhejiang Hua Lin Construction Group Co ltd
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Abstract

The invention discloses a device for preventing the seepage of a post-cast strip of a bottom plate of an underground chamber and a construction method thereof, and the device comprises a base layer, a steel bar framework, a steel bar device, a protection device, a first telescopic layer, a telescopic device, a waterproof device, a bottom plate layer and a water stop device, wherein the steel bar framework is arranged inside one side of the base layer and is fixedly connected with the base layer, the protection device is arranged at the top of the steel bar framework and is fixedly connected with the base layer, the first telescopic layer is fixed at the top of the protection device, the water stop device is arranged inside the first telescopic layer and is fixedly connected with the first telescopic layer, and the device for preventing the seepage of the post-cast strip of the bottom plate of the underground chamber and the construction method thereof prevent the seepage caused by the telescopic change of the telescopic layer of the base layer, keep the dryness of the basement and prevent the corrosion of articles stored in the basement, the credit of a constructor is improved, consumers prefer to select the house, and the house sales volume is improved.

Description

Device for preventing post-cast strip of underground chamber bottom plate from leaking and construction method thereof
Technical Field
The invention relates to the technical field of building construction, in particular to a device for preventing a post-cast strip of a bottom plate of an underground chamber from leaking and a construction method thereof.
Background
The post-cast strip is a temporary construction joint reserved at corresponding positions of a foundation slab, a wall and a beam according to design or construction specification requirements for preventing harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in building construction, the post-cast strip temporarily divides the structure into a plurality of parts, the concrete of the construction joint is cast after a plurality of times of internal shrinkage of the member, the structure is connected into an integral zone, when the casting time of the post-cast strip is preferably selected to be low, the concrete mixed with trace aluminum powder in the cement or the cement can be cast, the strength grade of the concrete is higher than that of the member by one grade, cracks between new and old concrete are prevented, weak positions are caused, and the positions provided with the post-cast strip are also considered with different consumption factors of measures such as a template and the like.
When the existing construction site carries out post-pouring belt, common reinforced concrete is directly used for pouring, then the carrier gas outer layer is coated with the waterproof layer, but the leakage prevention after the existing pouring method and the structure of the post-pouring belt are poured cannot be guaranteed, the method belongs to one-step pouring forming, when the waterproof effect cannot be achieved, the treatment can only be carried out by attaching adhesive and the like to the outer layer, the treatment is time-consuming and time-consuming, the good effect that the adhesive and the like cannot be removed is achieved after the treatment, the basement is affected with damp, objects stored in the basement are corroded in different degrees, the reputation of a developer is affected, and the sale of a house is seriously affected, therefore, the device for preventing the leakage of the post-pouring belt of the basement floor and the construction method thereof are provided.
Disclosure of Invention
The invention aims to provide a device for preventing a post-cast strip of a bottom plate of an underground chamber from leaking and a construction method thereof, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a device for preventing the seepage of a post-cast strip of a bottom plate of an underground chamber comprises a base layer, a steel reinforcement framework, a steel reinforcement device, a protection device, a first telescopic layer, a telescopic device, a waterproof device, a bottom plate layer and a water stop device, wherein the steel reinforcement framework is arranged inside one side of the base layer and fixedly connected with the base layer, a groove of the post-cast strip is reserved on the base layer, the groove is positioned above the steel reinforcement framework, and the protection device is arranged at the bottom in the groove; protection device and base layer fixed connection, the protection device top is fixed with first flexible layer, first flexible in situ inside is equipped with watertight fittings, watertight fittings and first flexible layer fixed connection, first flexible in situ inside is equipped with the reinforcing bar device, reinforcing bar device connection base layer and first flexible layer, first flexible layer top is equipped with the telescoping device, telescoping device and first flexible layer fixed connection, telescoping device and base layer fixed connection, the telescoping device top is equipped with watertight fittings, watertight fittings surface, watertight fittings both sides cover the base layer, the watertight fittings top covers there is the bottom plate layer, and with bottom plate layer fixed connection.
Preferably, the reinforcing bar device comprises horizontal reinforcing bar and vertical reinforcing bar, the base layer inside is equipped with horizontal reinforcing bar, horizontal reinforcing bar bottom is equipped with vertical reinforcing bar, horizontal reinforcing bar and vertical reinforcing bar fixed connection, vertical reinforcing bar runs through base layer and first flexible layer.
Preferably, protection device comprises second waterproof layer, infiltration region and baffle, the base layer top covers there is the second waterproof layer, second waterproof layer one side is equipped with the baffle, the baffle both sides respectively with second waterproof layer fixed connection, it is regional to be equipped with the infiltration between baffle and the second waterproof layer.
Preferably, the telescopic device is composed of a rubber pad and a second telescopic layer, the second telescopic layer is arranged at the top of the first telescopic layer, the second telescopic layer is fixedly connected with the first telescopic layer, and the rubber pad is fixed on two sides of the extrusion plate.
Preferably, the waterproof device comprises a first waterproof protective layer and a first waterproof layer, wherein the first waterproof layer covers one side of the base layer, and the first waterproof protective layer covers the outer surface of the first waterproof layer.
Preferably, the sealing device comprises hexagon nut, connecting plate, push pedal, stripper plate, resilient means and sealing area, the inside sealing area that is equipped with in first flexible layer, the sealing area both sides are equipped with the push pedal, be equipped with the stripper plate between the push pedal, the symmetry is equipped with resilient means between stripper plate and the push pedal, resilient means one end and push pedal fixed connection, resilient means one end and stripper plate sliding connection, the push pedal top is equipped with the connecting plate, push pedal and connecting plate sliding connection, the stripper plate runs through the connecting plate, connecting plate and stripper plate sliding connection, the stripper plate top is equipped with hexagon nut, hexagon nut rotates with the stripper plate to be connected, hexagon nut runs through the bottom plate layer, and with bottom plate layer threaded connection.
Preferably, the dust guard is arranged at the top of the bottom plate layer, the dust guard is connected with the hexagonal nut in a sliding mode, the guide plate is fixed at the bottom in the groove, and the guide plate is connected with the extrusion plate in a sliding mode.
The invention also provides a construction method of the device for preventing the leakage of the post-cast strip of the underground chamber floor, which comprises the following steps:
firstly, coating a second waterproof layer in a groove reserved on a base layer, coating a second waterproof protective layer, fixing a baffle outside the second waterproof protective layer to form a protective device, welding a transverse steel bar and a longitudinal steel bar of the steel bar device into the steel bar device, fixedly installing a guide plate at the central part of the groove of the base layer at a reserved position in the middle of the longitudinal steel bar, and finally placing a water stop device at the top of the guide plate;
b, then, in pouring concrete to the recess of base layer, flush the top of the height control of concrete at the watertight fittings push pedal, after it solidifies, form first flexible layer, put into the rubber pad in stripper plate both sides, fix the rubber pad, concreting again this moment makes the concrete height not higher than the rubber pad height, after the concrete solidifies, form the flexible layer of second, rubber pad and the flexible layer of second form the telescoping device, scribble first waterproof layer at the flexible layer top of second, scribble first waterproof layer at first waterproof layer top, form watertight fittings.
And c, finally, after the first telescopic layer and the second telescopic layer are completely solidified, pouring concrete on the surface of the first waterproof protective layer, keeping the concrete flush with the base layer, forming a bottom plate layer after the concrete is dried, forming a groove in the center of the bottom plate layer, leaking the hexagon nut, covering the dustproof plate, and finishing the whole construction process.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention prevents leakage caused by the expansion change of the base layer through the combined action of the expansion device and the water stop device, keeps the dryness of the basement, prevents articles stored in the basement from being corroded, improves the credit of a construction party, and ensures that consumers prefer to select the house and the sale quantity of the house is improved.
2. The water seepage area of the protection device can directly store the seepage water, the stability of materials during construction is ensured, the guide plate added at the bottom of the extrusion plate can better guide the extrusion plate, and the water stopping device is convenient to use.
Drawings
FIG. 1 is a side partial cross-sectional view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is an enlarged view of the water stop device;
FIG. 4 is an enlarged view of area A of FIG. 3;
fig. 5 is an enlarged view of the region B in fig. 1.
In the figure: 1-a base layer; 2-reinforcing steel bar framework; 3-a reinforcing steel bar device; 4-a protection device; 5-a first telescopic layer; 6-a telescopic device; 7-a waterproof device; 8-a floor layer; 9-a water stopping device; 10-dust guard; 11-hexagonal nuts; 12-a connecting plate; 13-push plate; 14-a stripper plate; 15-elastic means; 16-a sealing area; 17-a rubber pad; 18-a second elastic layer; 19-a first waterproof protective layer; 20-a first waterproof layer; 21-transverse steel bars; 22-longitudinal steel bars; 23-a second waterproof layer; 24-a second waterproof protective layer; 25-water permeable areas; 26-a baffle; 27-a slide plate; 28-guide posts; 29-guide sleeve; 30-compression spring; 31-guide plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a device for preventing the seepage of a post-cast strip of a bottom plate of an underground chamber comprises a base layer 1, a steel reinforcement framework 2, a steel reinforcement device 3, a protection device 4, a first telescopic layer 5, a telescopic device 6, a waterproof device 7, a bottom plate layer 8 and a water stopping device 9, wherein the steel reinforcement framework 2 is arranged inside one side of the base layer 1, the steel reinforcement framework 2 is fixedly connected with the base layer 1, a groove of the post-cast strip is reserved on the base layer 1, the groove is positioned above the steel reinforcement framework 2, the protection device 4 is arranged at the bottom in the groove, the protection device 4 is fixedly connected with the base layer 1, the first telescopic layer 5 is fixed at the top of the protection device 4, the water stopping device 9 is arranged inside the first telescopic layer 5, the water stopping device 9 is fixedly connected with the first telescopic layer 5, the steel reinforcement device 3 is arranged inside the first telescopic layer 5, the steel reinforcement device 3 is connected with the base layer 1 and the first telescopic, 5 tops on first flexible layer are equipped with telescoping device 6, telescoping device 6 and 5 fixed connection on first flexible layer, telescoping device 6 and 1 fixed connection on base layer, 6 tops on telescoping device are equipped with watertight fittings 7, watertight fittings 7 covers in 6 surfaces on telescoping device, watertight fittings 7 both sides cover base layer 1, 7 tops on watertight fittings cover have bottom plate layer 8, and with bottom plate layer 8 fixed connection.
Reinforcing bar device 3 comprises horizontal reinforcing bar 21 and longitudinal reinforcement 22, 1 inside horizontal reinforcing bar 21 that is equipped with of base layer, 21 bottoms of horizontal reinforcing bar are equipped with longitudinal reinforcement 22, horizontal reinforcing bar 21 and longitudinal reinforcement 22 fixed connection, longitudinal reinforcement 22 runs through base layer 1 and first flexible layer 5, and reinforcing bar device 3 can be better stabilize first flexible layer 5.
Protection device 4 comprises second waterproof layer 23, second waterproof layer 24, infiltration region 25 and baffle 26, 1 top on base layer covers has second waterproof layer 23, the 23 top of second waterproof layer covers has second waterproof layer 24, 24 one side of second waterproof layer is equipped with baffle 26, 26 both sides of baffle respectively with 24 fixed connection of second waterproof layer, be equipped with infiltration region 25 between baffle 26 and the second waterproof layer 24, guarantee during the construction that the concrete is stably solidified.
The telescoping device 6 comprises rubber pad 17 and the flexible layer 18 of second, the flexible layer 18 of first flexible layer 5 top is equipped with the flexible layer of second, the flexible layer 18 of second and first flexible layer 5 fixed connection, rubber pad 17 sets up in stripper plate 14 both sides, and the protection prevents the seepage effect.
The waterproof device 7 is composed of a first waterproof protective layer 19 and a first waterproof layer 20, one side of the base layer 1 is covered with the first waterproof layer 20, the outer surface of the first waterproof layer 20 is covered with the first waterproof protective layer 19, and the waterproof effect is better.
The water stopping device 9 is composed of a hexagonal nut 11, a connecting plate 12, a push plate 13, an extrusion plate 14, an elastic device 15 and a sealing area 16, the sealing area 16 is arranged inside the first telescopic layer 5, the push plate 13 is arranged on two sides of the sealing area 16, the extrusion plate 14 is arranged between the push plates 13, the elastic device 15 is symmetrically arranged between the extrusion plate 14 and the push plate 13, one end of the elastic device 15 is fixedly connected with the push plate 13, one end of the elastic device 15 is slidably connected with the extrusion plate 14, the connecting plate 12 is arranged on the top of the push plate 13, the push plate 13 is slidably connected with the connecting plate 12, the extrusion plate 14 penetrates through the connecting plate 12, the connecting plate 12 is slidably connected with the extrusion plate 14, the hexagonal nut 11 is rotatably connected with the extrusion plate 14, the hexagonal nut 11 penetrates through the bottom plate layer 8 and is in threaded connection with the bottom plate layer 8, when leakage occurs, the adjustment prevents leakage.
The elastic device 15 is composed of a sliding plate 27, a guide post 28, a guide sleeve 29 and a compression spring 30, the sliding plate 27 is symmetrically arranged on two sides of the extrusion plate 14, the sliding plate 27 is slidably connected with the extrusion plate 14, the guide post 28 is fixed on one side of the sliding plate 27, the guide sleeve 29 is arranged on one side of the guide post 28, the guide post 28 is slidably connected with the guide sleeve 29, the guide sleeve 29 is fixedly connected with the push plate 13, the compression spring 30 is arranged on the outer surfaces of the guide post 28 and the guide sleeve 29, one end of the compression spring 30 is fixedly connected with the sliding plate 27, and the other end of the compression spring 30 is fixedly connected with the push plate.
The top of the bottom plate layer 8 is provided with a dustproof plate 10, the dustproof plate 10 is in sliding connection with the hexagon nut 11 to prevent the hexagon nut 11 from being rusted, the guide plate 31 is fixed at the bottom of the groove, the guide plate 31 is in sliding connection with the extrusion plate 14, and the guide plate 31 added at the bottom of the extrusion plate 14 can better guide the extrusion plate 14.
The invention provides a construction method of a device for preventing leakage of a post-cast strip of a bottom plate of an underground chamber, which comprises the following steps:
firstly, coating a second waterproof layer 23 in a reserved groove of a base layer 1, then coating a second waterproof protective layer 24, fixing a baffle 26 on the outer side of the second waterproof protective layer 24 to form a protection device 4, welding a transverse steel bar 21 and a longitudinal steel bar 22 of a steel bar device 3 into the steel bar device 3, fixedly installing a guide plate 31 in the center of the groove of the base layer 1 at a reserved position in the middle of the longitudinal steel bar 22, and finally placing a water stop device 9 on the top of the guide plate 31;
b, then, pouring concrete into the groove of the base layer 1, controlling the height of the concrete to be flush with the top end of the push plate 13 of the water stopping device 9, forming a first telescopic layer 5 after the concrete is solidified, placing rubber pads 17 on two sides of the extrusion plate 14, fixing the rubber pads 17, pouring the concrete again at the moment to enable the height of the concrete to be not higher than that of the rubber pads 17, forming a second telescopic layer 18 after the concrete is solidified, enabling the rubber pads 17 and the second telescopic layer 18 to form a telescopic device 6, coating a first waterproof layer 20 on the top of the second telescopic layer 18, coating a first waterproof protective layer 19 on the top of the first waterproof layer 20, and forming a waterproof device 7.
And c, finally, after the first telescopic layer 5 and the second telescopic layer 18 are completely solidified, pouring concrete on the surface of the first waterproof protective layer 19 and keeping the concrete flush with the base layer 1, after the concrete is dried, forming a bottom plate layer 8, forming a groove in the center of the bottom plate layer 8, leaking the hexagon nut 11, covering the dustproof plate 10, and finishing the whole construction process.
The working principle is as follows: when the base layer 1 is changed in a telescopic way, at the moment, the second telescopic layer 18 and the rubber pad 17 of the telescopic device 6 start to stretch and retract to block the seepage possibly occurring in the base layer 8, so as to prevent the seepage of the base layer 8, if the telescopic device 6 cannot completely prevent the seepage of the base layer 1, at the moment, the dustproof plate 10 at the top of the base layer 8 is opened, the hexagonal nut 11 is rotated by using a wrench, the hexagonal nut 11 moves downwards, the hexagonal nut 11 pushes the extrusion plate 14 to move downwards, the extrusion plate 14 pushes the sliding plate 27 of the elastic device to move, the sliding plate 27 and the compression spring 30 jointly push the push plate 13 to move, the push plate 13 pushes the first telescopic layer 5, so that the first telescopic layer 5 is closer to the base layer 1, the seepage of water flow is prevented, and therefore, a better seepage prevention effect can be achieved, and the seepage caused by the telescopic device 6 and the water stop device 9 can prevent the seepage, keep the aridity of basement, prevent that the article that the basement stored from corroding, the credit of constructor is promoted, the consumer prefers to select such house, the house sales volume promotes, when the construction, because base layer 1 probably has trace infiltration, can directly interfere with the solidification of concrete, at this moment protection device 4's infiltration region 25 can directly store the infiltration, the stability of material when guaranteeing the construction, the deflector 31 of adding in 14 bottoms of stripper plate can be better for 14 guide effect of stripper plate, the use of the stagnant water device 9 of being convenient for.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a prevent infiltration device of underground chamber bottom plate post-cast strip, includes base layer (1), framework of steel reinforcement (2), reinforcing bar device (3), protection device (4), first flexible layer (5), telescoping device (6), watertight fittings (7), bottom plate layer (8) and watertight fittings (9), its characterized in that: the steel bar framework (2) is arranged inside one side of the base layer (1), the steel bar framework (2) is fixedly connected with the base layer (1), a groove of a post-pouring belt is reserved in the base layer (1), the groove is located above the steel bar framework (2), a protection device (4) is arranged at the bottom in the groove, the protection device (4) is fixedly connected with the base layer (1), a first telescopic layer (5) is fixed at the top of the protection device (4), a water stopping device (9) is arranged inside the first telescopic layer (5), the water stopping device (9) is fixedly connected with the first telescopic layer (5), a steel bar device (3) is arranged inside the first telescopic layer (5), the steel bar device (3) is connected with the base layer (1) and the first telescopic layer (5), a telescopic device (6) is arranged at the top of the first telescopic layer (5), and the telescopic device (6) is fixedly connected with the first telescopic layer (5), the telescopic device (6) is fixedly connected with the base layer (1), a waterproof device (7) is arranged at the top of the telescopic device (6), the waterproof device (7) covers the outer surface of the telescopic device (6), the base layer (1) covers two sides of the waterproof device (7), and a bottom plate layer (8) covers the top of the waterproof device (7) and is fixedly connected with the bottom plate layer (8);
the water stopping device (9) is composed of a hexagon nut (11), a connecting plate (12), a push plate (13), an extrusion plate (14), an elastic device (15) and a sealing area (16), the sealing area (16) is arranged inside the first telescopic layer (5), the push plate (13) is arranged on two sides of the sealing area (16), the extrusion plate (14) is arranged between the push plates (13), the elastic device (15) is symmetrically arranged between the extrusion plate (14) and the push plate (13), one end of the elastic device (15) is fixedly connected with the push plate (13), one end of the elastic device (15) is slidably connected with the extrusion plate (14), the connecting plate (12) is arranged on the top of the push plate (13), the push plate (13) is slidably connected with the connecting plate (12), the extrusion plate (14) penetrates through the connecting plate (12), and the connecting plate (12) is slidably connected with the extrusion plate (14), the improved floor slab is characterized in that a hexagonal nut (11) is arranged at the top of the extrusion plate (14), the hexagonal nut (11) is rotatably connected with the extrusion plate (14), and the hexagonal nut (11) penetrates through the floor slab layer (8) and is in threaded connection with the floor slab layer (8).
2. The device for preventing the seepage of the post-cast strip of the bottom plate of the underground chamber as claimed in claim 1, wherein: reinforcing bar device (3) comprises horizontal reinforcing bar (21) and vertical reinforcing bar (22), base layer (1) inside is equipped with horizontal reinforcing bar (21), horizontal reinforcing bar (21) bottom is equipped with vertical reinforcing bar (22), horizontal reinforcing bar (21) and vertical reinforcing bar (22) fixed connection, vertical reinforcing bar (22) run through base layer (1) and first flexible layer (5).
3. The device for preventing the seepage of the post-cast strip of the bottom plate of the underground chamber as claimed in claim 1, wherein: protection device (4) comprises second waterproof layer (23), second waterproof layer (24), infiltration region (25) and baffle (26), base layer (1) top covers has second waterproof layer (23), second waterproof layer (23) top covers has second waterproof layer (24), second waterproof layer (24) one side is equipped with baffle (26), baffle (26) both sides respectively with second waterproof layer (24) fixed connection, be equipped with infiltration region (25) between baffle (26) and second waterproof layer (24).
4. The device for preventing the seepage of the post-cast strip of the bottom plate of the underground chamber as claimed in claim 1, wherein: the telescopic device (6) is composed of a rubber pad (17) and a second telescopic layer (18), the second telescopic layer (18) is arranged at the top of the first telescopic layer (5), the second telescopic layer (18) is fixedly connected with the first telescopic layer (5), and the rubber pad (17) is arranged on two sides of the extrusion plate (14).
5. The device for preventing the seepage of the post-cast strip of the bottom plate of the underground chamber as claimed in claim 1, wherein: the waterproof device (7) comprises a first waterproof layer (19) and a first waterproof layer (20), wherein the first waterproof layer (20) covers one side of the base layer (1), and the first waterproof layer (19) covers the outer surface of the first waterproof layer (20).
6. The device for preventing the seepage of the post-cast strip of the bottom plate of the underground chamber as claimed in claim 1, wherein: the elastic device (15) is composed of a sliding plate (27), a guide post (28), a guide sleeve (29) and a compression spring (30), the sliding plate (27) is symmetrically arranged on two sides of the extrusion plate (14), the sliding plate (27) is slidably connected with the extrusion plate (14), the guide post (28) is fixed on one side of the sliding plate (27), the guide sleeve (29) is arranged on one side of the guide post (28), the guide post (28) is slidably connected with the guide sleeve (29), the guide sleeve (29) is fixedly connected with the push plate (13), the compression spring (30) is arranged on the outer surfaces of the guide post (28) and the guide sleeve (29), one end of the compression spring (30) is fixedly connected with the sliding plate (27), and the other end of the compression spring (30) is fixedly connected with the push plate (.
7. The device for preventing the seepage of the post-cast strip of the bottom plate of the underground chamber as claimed in claim 1, wherein: bottom plate layer (8) top is equipped with dust guard (10), dust guard (10) and hexagon nut (11) sliding connection, bottom in the recess is fixed in deflector (31), deflector (31) and stripper plate (14) sliding connection.
8. The construction method of the device for preventing the seepage of the post-cast strip of the underground chamber floor as claimed in claim 1 comprises the following steps:
firstly, coating a second waterproof layer (23) in a reserved groove of a base layer (1), then coating a second waterproof protective layer (24), fixing a baffle (26) at the outer side of the second waterproof protective layer (24) to form a protective device (4), welding a transverse steel bar (21) and a longitudinal steel bar (22) of a steel bar device (3) into the steel bar device (3), reserving a position in the middle of the longitudinal steel bar (22), fixedly installing a guide plate (31) at the central part of the groove of the base layer (1), and finally placing a water stop device (9) at the top of the guide plate (31);
b, pouring concrete into a groove of the base layer (1), controlling the height of the concrete to be flush with the top end of a push plate (13) of the water stopping device (9), forming a first telescopic layer (5) after the concrete is solidified, placing rubber pads (17) on two sides of a squeezing plate (14), fixing the rubber pads (17), pouring the concrete again at the moment to enable the height of the concrete to be not higher than the height of the rubber pads (17), forming a second telescopic layer (18) after the concrete is solidified, forming a telescopic device (6) by the rubber pads (17) and the second telescopic layer (18), coating a first waterproof layer (20) on the top of the second telescopic layer (18), and coating a first waterproof protective layer (19) on the top of the first waterproof layer (20) to form a waterproof device (7);
and c, finally, after the first telescopic layer (5) and the second telescopic layer (18) are completely solidified, pouring concrete on the surface of the first waterproof protective layer (19) and keeping the concrete flush with the base layer (1), forming a bottom plate layer (8) after the concrete is dried, forming a groove in the center of the bottom plate layer (8), leaking the hexagon nut (11), covering the dustproof plate (10), and finishing the whole construction process.
CN201811588926.1A 2018-12-25 2018-12-25 Device for preventing post-cast strip of underground chamber bottom plate from leaking and construction method thereof Active CN109826240B (en)

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CN111321656B (en) * 2020-03-25 2021-06-01 中铁二院成都勘察设计研究院有限责任公司 Steel-concrete joint water stop structure of corrugated steel web composite beam bridge

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CN206090636U (en) * 2016-08-30 2017-04-12 中国一冶集团有限公司 Structure is handled to leading stagnant water in basement bottom plate post -cast strip

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