CN113026972A - One-time embedded water stop joint for drainage of constructional engineering and construction method thereof - Google Patents
One-time embedded water stop joint for drainage of constructional engineering and construction method thereof Download PDFInfo
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- CN113026972A CN113026972A CN202110374540.6A CN202110374540A CN113026972A CN 113026972 A CN113026972 A CN 113026972A CN 202110374540 A CN202110374540 A CN 202110374540A CN 113026972 A CN113026972 A CN 113026972A
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- water stop
- joint
- side wall
- stop joint
- drainage
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Abstract
The invention discloses a one-time pre-buried water stop joint for drainage of constructional engineering and a construction method thereof; the invention ensures that the push rod pushes the sealing plate to slide downwards through the installation of the second water stop joint, so that the gas in the sleeve enters the liquid tank through the gas pipe, the push plate pushes the sealant in the liquid tank outwards to be sprayed to the joint of the concrete and the first water stop joint, the joint of the concrete and the first water stop joint is fully sealed, the daily life of personnel is prevented from being influenced due to the fact that the joint of the concrete and the first water stop joint is not firmly sealed when the device is used, meanwhile, the gas in the sleeve also enters the inner groove through the communicating pipe, the sealing glue in the inner groove is upwards extruded by the extrusion plate to be sprayed to the joint of the first water stop joint and the second water stop joint, the condition that sewage flows upwards due to the infirm sealing of the part is prevented, a good water seepage effect is not achieved, the stability of the device is ensured, the device can run stably for a long time, and resources are saved, the construction efficiency is ensured.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a disposable embedded water stop joint for drainage of constructional engineering and a construction method thereof.
Background
The building engineering is an engineering entity which performs various technical works and completions such as planning, surveying, designing, constructing, completing and the like for newly building, reconstructing or extending building buildings and affiliated structures and installation engineering of lines, pipelines and equipment matched with the engineering entity. Also refers to the construction of various houses and buildings, also known as the construction workload. The investment amount of the part can be realized only by the construction activities with the need of carrying out the work and the material movement. The construction project of the house building comprises factory buildings, theaters, hotels, shops, schools, hospitals, houses and the like, and the new construction, reconstruction or extension of the house building can be realized only by construction activities with materials required; the 'auxiliary structure facilities' refer to water towers, bicycle sheds, pools and the like which are matched with the house building. The 'installation of lines, pipelines and equipment' refers to the installation activities of the lines, pipelines and equipment such as electricity, water supply and drainage, heating and ventilation, communication, intellectualization and elevators which are matched with the house building and the auxiliary facilities thereof.
The traditional one-time pre-buried water stopping section for drainage of building engineering is characterized in that after pre-burying is completed, the unstable condition of connection between the water stopping section and concrete can be caused due to external factors, the water stopping section and the concrete can not be fully and effectively sealed, the water stopping efficiency of the water stopping section is reduced, and therefore the one-time pre-buried water stopping section for drainage of building engineering and a construction method thereof are provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problem that after pre-burying is finished in the prior art, the connection between a water stop joint and concrete is unstable probably due to external factors, the water stop joint and the concrete cannot be fully and effectively sealed, and the water stop efficiency of the water stop joint is reduced, and provides a disposable pre-buried water stop joint for drainage of building engineering and a construction method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a disposable pre-buried water stop joint for drainage of constructional engineering comprises a first water stop joint and a sealing device arranged on the first water stop joint;
the sealing device comprises a driving assembly, a liquid tank for storing sealant, a push plate, a liquid spraying pipe and a first one-way valve; the outer side wall of the push plate is movably connected with the inner side wall of the liquid tank; the end part of the liquid spraying pipe is fixedly connected with the side wall of the liquid tank, and the inner side wall of the liquid spraying pipe is fixedly connected with the outer side wall of the first one-way valve;
the driving assembly comprises a sleeve, a sealing plate, a push rod and an air pipe; the inner side wall of the sleeve is movably connected with the outer side wall of the sealing plate, and the inner side wall of the sleeve is attached to the outer side wall of the sealing plate; the top of the sealing plate is attached to the bottom of the push rod; the air pipe is arranged at a position far away from the bottom of the sealing plate.
Preferably, the bolt hole has been seted up to the bottom of first stagnant water festival, the inboard wall laminating of first stagnant water festival has the second stagnant water festival, the inside wall fixedly connected with sealing ring of second stagnant water festival, telescopic inside wall fixedly connected with magnetism piece, the lateral wall fixedly connected with infiltration pipe of first stagnant water festival, the tip inside wall fixedly connected with steel mesh of infiltration pipe, the inside of first stagnant water festival is provided with drainage mechanism.
Preferably, the liquid discharge mechanism comprises a communicating pipe, an inner groove for storing the sealant, an extrusion plate, a liquid discharge pipe and a second one-way valve; the end part of the communicating pipe is fixedly connected with the bottom of the inner groove; the inner side wall of the inner groove is movably connected with the outer side wall of the extrusion plate, and the inner side wall of the inner groove is attached to the outer side wall of the extrusion plate; the end part of the liquid discharge pipe is fixedly connected with the inner side wall of the inner groove, and the inner side wall of the liquid discharge pipe is fixedly connected with the outer side wall of the second one-way valve.
Preferably, the liquid tank is opened in the first water stop section, the bottom of the sleeve is fixedly connected with the top of the inner side wall of the first water stop section, and the air pipe penetrates through the top of the first water stop section.
Preferably, the outer side wall of the magnetic block is fixedly connected with the inner side wall of the sleeve, the bottom of the magnetic block is attracted with the top of the sealing plate, and the top of the push rod is fixedly connected with the bottom of the second water stop section.
Preferably, the bolt hole penetrates through the bottom of the first water stop section, and the water seepage pipe penetrates through the side wall of the first water stop section.
Preferably, the communicating pipe is arranged inside a side wall of the first water stop section, and the inner groove is arranged inside the side wall of the first water stop section.
A construction method for a one-time pre-buried water stop joint for drainage of constructional engineering comprises the following steps:
s1: firstly, determining the position of a first water stop section according to a template, upwards arranging one section of the first water stop section, which can be provided with a second water stop section, on the template, and then arranging the first water stop section on the template through a bolt hole for fixing;
s2: after the first water stop section is installed, concrete is injected into the outer surface of the first water stop section, so that the concrete completely wraps the outer surface of the first water stop section, and then the concrete is waited for drying and forming;
s3: after the concrete is dried and formed, the second water stop section is installed on the first water stop section, the bottom of the second water stop section is aligned to the top of the first water stop section, the bottom of the push rod is aligned to the top of the sealing plate, the second water stop section is pressed downwards, the push rod pushes the sealing plate to slide downwards through installation of the second water stop section, gas in the sleeve enters the liquid tank and the inner groove through the air pipe and the communicating pipe, and the sealant in the liquid tank and the inner groove is sprayed to the joint of the concrete and the first water stop section and the joint of the first water stop section and the second water stop section;
s4: after the second water stop joint is installed, the template can be detached.
Compared with the prior art, the invention has the beneficial effects that: after the first water stop joint is installed, the bottom of the push rod is aligned to the top of the sealing plate by installing the second water stop joint, the second water stop joint is pressed downwards, the push rod pushes the sealing plate to slide downwards by installing the second water stop joint, so that gas in the sleeve enters the liquid tank through the gas pipe, the push plate pushes the sealant in the liquid tank outwards to spray to the joint of the concrete and the first water stop joint, the joint of the concrete and the first water stop joint is sufficiently sealed, the phenomenon that water seepage occurs due to the fact that the joint of the concrete and the first water stop joint is not firmly sealed when the device is used is prevented, daily life of personnel is affected, meanwhile, the gas in the sleeve also enters the inner groove through the communicating pipe, the extrusion plate extrudes the sealant in the extrusion plate upwards to spray to the joint of the first water stop joint and the second water stop joint, and the phenomenon that sewage flows upwards due to the unfirm seal of the joint is prevented, the good water seepage effect cannot be achieved, the stability of the device is guaranteed, the device can run stably for a long time, resources are saved, and the construction efficiency is guaranteed.
Drawings
FIG. 1 is a schematic structural view of a construction engineering drainage one-time pre-buried water stop section in a cross-sectional view from the front;
FIG. 2 is an enlarged schematic structural view of a part A in FIG. 1 of a disposable embedded water stop joint for drainage of constructional engineering provided by the invention;
FIG. 3 is an enlarged schematic structural view of a part B in FIG. 1 of a disposable embedded water stop joint for drainage of constructional engineering provided by the invention;
fig. 4 is an enlarged structural schematic diagram of a part C in fig. 1 of a disposable embedded water stop joint for drainage of constructional engineering provided by the invention;
FIG. 5 is a schematic view of a front cross-sectional structure of a disposable embedded water stop joint for drainage in construction engineering provided by the invention during installation;
fig. 6 is a schematic flow chart of a construction method for one-time pre-buried water stop joints for drainage of constructional engineering provided by the invention.
In the figure: 1 first stagnant water festival, 2 bolt holes, 3 second stagnant water festival, 4 sealing rings, 5 sleeves, 6 magnetic blocks, 7 sealing plates, 8 push rods, 9 trachea, 10 cistern, 11 push pedal, 12 sparge pipes, 13 first check valve, 14 infiltration pipe, 15 steel meshes, 16 communicating pipes, 17 inside grooves, 18 stripper plate, 19 fluid-discharge pipes, 20 second check valve.
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.
Referring to fig. 1-5, a disposable pre-buried water stop joint for drainage of constructional engineering comprises a first water stop joint 1 and a sealing device arranged on the first water stop joint 1;
the sealing device comprises a driving component, a liquid tank 10 for storing sealant, a push plate 11, a liquid spraying pipe 12 and a first one-way valve 13; the outer side wall of the push plate 11 is movably connected with the inner side wall of the liquid tank 10, and the push plate 11 can freely slide on the inner side wall of the liquid tank 10; the end part of the liquid spraying pipe 12 is fixedly connected with the side wall of the liquid tank 10, and the inner side wall of the liquid spraying pipe 12 is fixedly connected with the outer side wall of the first one-way valve 13;
the driving assembly comprises a sleeve 5, a sealing plate 7, a push rod 8 and an air pipe 9; the inner side wall of the sleeve 5 is movably connected with the outer side wall of the sealing plate 7, and the inner side wall of the sleeve 5 is attached to the outer side wall of the sealing plate 7; the top of the sealing plate 7 is attached to the bottom of the push rod 8; the air pipe 9 is disposed at a position away from the bottom of the sealing plate 7.
Wherein, bolt hole 2 has been seted up to the bottom of first stagnant water festival 1, the laminating has second stagnant water festival 3 to the inboard wall of first stagnant water festival 1, the inside wall fixedly connected with sealing ring 4 of second stagnant water festival 3, the inside wall fixedly connected with magnetic block 6 of sleeve 5, the lateral wall fixedly connected with infiltration pipe 14 of first stagnant water festival 1, the tip inside wall fixedly connected with steel mesh 15 of infiltration pipe 14, the inside of first stagnant water festival 1 is provided with drainage mechanism, the setting of infiltration pipe 14, when being convenient for follow-up when going on to use, carry out slow infiltration function, prevent that the inside long-term sewage of piling up of pipeline from causing the inside condition of corroding of pipeline to appear, influence the device's life, resources are saved, the utilization ratio of resources is improved.
The liquid discharge mechanism comprises a communicating pipe 16, an inner groove 17 for storing sealant, an extrusion plate 18, a liquid discharge pipe 19 and a second one-way valve 20; the end of the communicating pipe 16 is fixedly connected with the bottom of the inner groove 17; the inner side wall of the inner groove 17 is movably connected with the outer side wall of the extrusion plate 18, and the inner side wall of the inner groove 17 is attached to the outer side wall of the extrusion plate 18; the extrusion plate 18 can freely slide on the inner side wall of the inner groove 17; the end of the drain pipe 19 is fixedly connected with the inner side wall of the inner groove 17, and the inner side wall of the drain pipe 19 is fixedly connected with the outer side wall of the second check valve 20.
Wherein, cistern 10 is seted up in the inside of first stagnant water festival 1, the bottom of sleeve 5 and the inside wall top fixed connection of first stagnant water festival 1, trachea 9 runs through the top of first stagnant water festival 1.
The outer side wall of the magnetic block 6 is fixedly connected with the inner side wall of the sleeve 5, the bottom of the magnetic block 6 is attracted with the top of the sealing plate 7, and the top of the push rod 8 is fixedly connected with the bottom of the second water stop section 3.
Wherein, the bolt hole 2 runs through the bottom of first stagnant water festival 1, and infiltration pipe 14 runs through the lateral wall of first stagnant water festival 1.
Wherein, the communicating pipe 16 is arranged inside the side wall of the first water stop joint 1, and the inner groove 17 is arranged inside the side wall of the first water stop joint 1.
Through the structure, after the first water stop joint 1 is installed, the second water stop joint 3 is installed, the bottom of the push rod 8 is aligned to the top of the sealing plate 7, the second water stop joint 3 is pressed downwards, the push rod 8 pushes the sealing plate 7 to slide downwards through the installation of the second water stop joint 3, so that gas in the sleeve 5 enters the liquid tank 10 through the air pipe 9, the push plate 11 pushes the sealant in the liquid tank 10 outwards to spray to the joint of the concrete and the first water stop joint 1, the joint of the concrete and the first water stop joint 1 is sufficiently sealed, the phenomenon that water seepage occurs due to the fact that the joint of the concrete and the first water stop joint 1 is not firmly sealed when the device is used is prevented, the daily life of personnel is influenced, meanwhile, the gas in the sleeve 5 also enters the inner groove 17 through the communicating pipe 16, the extrusion plate 18 upwards extrudes the sealant in the inner groove 17 to spray to the joint of the first water stop joint 1 and the second water stop joint 3, the condition that sewage flows upwards is prevented from occurring due to infirm sealing of the part, a good water seepage effect cannot be achieved, the stability of the device is guaranteed, the device can run stably for a long time, resources are saved, and the construction efficiency is guaranteed.
Referring to fig. 6, a construction method for one-time pre-buried water stop joints for drainage of constructional engineering comprises the following steps:
s1: firstly, determining the position of a first water stop section 1 according to a template, after determining the position of the first water stop section 1, upwards arranging a section of the first water stop section 1, which can be provided with a second water stop section 3, on the template, and then arranging the first water stop section 1 on the template through a bolt hole 2 for fixing;
s2: after the first water stop section 1 is installed, concrete is injected into the outer surface of the first water stop section 1, so that the concrete completely wraps the outer surface of the first water stop section 1, and then the concrete is waited for drying and forming;
s3: after concrete is dried and formed, the second water stop joint 3 is installed on the first water stop joint 1, the bottom of the second water stop joint 3 is aligned to the top of the first water stop joint 1, the bottom of the push rod 8 is aligned to the top of the sealing plate 7, the second water stop joint 3 is pressed downwards at the moment, the push rod 8 pushes the sealing plate 7 to slide downwards through installation of the second water stop joint 3, gas in the sleeve 5 enters the liquid tank 10 and the inner groove 17 through the gas pipe 9 and the communicating pipe 16, and the sealant in the liquid tank 10 and the inner groove 17 is sprayed to the joint of the concrete and the first water stop joint 1 and the joint of the first water stop joint 1 and the second water stop joint 3;
s4: after the second water stop joint 3 is installed, the template can be detached.
When the sealing device is used, the first water stop joint 1 is firstly installed at a preset position of a template through the bolt hole 2, then concrete is injected to the outside of the first water stop joint 1, the end part of the water seepage pipe 14 is provided with the steel mesh 15, so that the concrete cannot enter the inside of the first water stop joint 1 through the water seepage pipe 14, after the first water stop joint 1 is installed, the second water stop joint 3 needs to be installed, when the second water stop joint 3 is installed, the bottom of the push rod 8 is aligned to the top of the sealing plate 7, the second water stop joint 3 is pressed downwards, the push rod 8 pushes the sealing plate 7 to slide downwards through the installation of the second water stop joint 3, so that gas in the sleeve 5 enters the liquid tank 10 through the air pipe 9, the push plate 11 pushes the sealant in the liquid tank 10 outwards to spray to the joint of the concrete and the first water stop joint 1, and the joint of the concrete and the first water stop joint 1 is fully sealed, meanwhile, gas in the sleeve 5 can enter the inner groove 17 through the communicating pipe 16, so that the extruding plate 18 upwards extrudes the sealant in the inner groove 17 to be sprayed to the joint of the first water stop section 1 and the second water stop section 3, the full sealing of each joint is ensured, the operation is simple and rapid, the construction is convenient for constructors to construct, the time is saved, and the construction efficiency is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The disposable embedded water stop joint for drainage of the constructional engineering is characterized by comprising a first water stop joint (1) and a sealing device arranged on the first water stop joint (1);
the sealing device comprises a driving assembly, a liquid tank (10) for storing sealant, a push plate (11), a liquid spraying pipe (12) and a first one-way valve (13); the outer side wall of the push plate (11) is movably connected with the inner side wall of the liquid tank (10); the end part of the liquid spraying pipe (12) is fixedly connected with the side wall of the liquid tank (10), and the inner side wall of the liquid spraying pipe (12) is fixedly connected with the outer side wall of the first one-way valve (13);
the driving assembly comprises a sleeve (5), a sealing plate (7), a push rod (8) and an air pipe (9); the inner side wall of the sleeve (5) is movably connected with the outer side wall of the sealing plate (7), and the inner side wall of the sleeve (5) is attached to the outer side wall of the sealing plate (7); the top of the sealing plate (7) is attached to the bottom of the push rod (8); the air pipe (9) is arranged at a position far away from the bottom of the sealing plate (7).
2. The disposable pre-buried stagnant water festival of building engineering drainage of claim 1, characterized in that, bolt hole (2) have been seted up to the bottom of first stagnant water festival (1), the inboard wall laminating of first stagnant water festival (1) has second stagnant water festival (3), the inside wall fixedly connected with sealing ring (4) of second stagnant water festival (3), the inside wall fixedly connected with magnetism piece (6) of sleeve (5), the lateral wall fixedly connected with infiltration pipe (14) of first stagnant water festival (1), the tip inside wall fixedly connected with steel mesh (15) of infiltration pipe (14), the inside of first stagnant water festival (1) is provided with drainage mechanism.
3. The disposable embedded water stop joint for drainage of constructional engineering as claimed in claim 2, wherein said drainage mechanism comprises a communicating pipe (16), an internal groove (17) for storing sealant, an extrusion plate (18), a drainage pipe (19) and a second one-way valve (20); the end part of the communicating pipe (16) is fixedly connected with the bottom of the inner groove (17); the inner side wall of the inner groove (17) is movably connected with the outer side wall of the extrusion plate (18), and the inner side wall of the inner groove (17) is attached to the outer side wall of the extrusion plate (18); the end part of the liquid discharge pipe (19) is fixedly connected with the inner side wall of the inner groove (17), and the inner side wall of the liquid discharge pipe (19) is fixedly connected with the outer side wall of the second one-way valve (20).
4. The disposable embedded water stop joint for drainage of constructional engineering as claimed in claim 1, wherein said liquid tank (10) is opened inside said first water stop joint (1), the bottom of said sleeve (5) is fixedly connected with the top of the inner side wall of said first water stop joint (1), and said air pipe (9) penetrates the top of said first water stop joint (1).
5. The disposable embedded water stop joint for drainage of constructional engineering as claimed in claim 2, wherein the outer side wall of the magnetic block (6) is fixedly connected with the inner side wall of the sleeve (5), the bottom of the magnetic block (6) and the top of the sealing plate (7) are attracted with each other, and the top of the push rod (8) is fixedly connected with the bottom of the second water stop joint (3).
6. The disposable embedded water stop joint for drainage of constructional engineering as claimed in claim 2, wherein the bolt hole (2) penetrates through the bottom of the first water stop joint (1), and the water seepage pipe (14) penetrates through the side wall of the first water stop joint (1).
7. The disposable embedded water stop joint for drainage of constructional engineering as claimed in claim 3, wherein said communicating pipe (16) is arranged inside the side wall of said first water stop joint (1), and said internal groove (17) is arranged inside the side wall of said first water stop joint (1).
8. A construction method for a one-time pre-buried water stop joint for drainage of constructional engineering is characterized by comprising the following steps:
s1: firstly, determining the position of a first water stop section (1) according to a template, after determining the position of the first water stop section (1), upwards arranging one section of the first water stop section (1) which can be provided with a second water stop section (3), and then arranging the first water stop section (1) on the template through a bolt hole (2) for fixing;
s2: after the first water stop section (1) is installed, concrete is injected into the outer surface of the first water stop section (1) to enable the concrete to completely wrap the outer surface of the first water stop section (1), and then the concrete is waited for drying and forming;
s3: after concrete is dried and formed, a second water stop section (3) is installed on the first water stop section (1), the bottom of the second water stop section (3) is aligned to the top of the first water stop section (1), the bottom of a push rod (8) is aligned to the top of a sealing plate (7), the second water stop section (3) is pressed downwards, the push rod (8) pushes the sealing plate (7) to slide downwards through installation of the second water stop section (3), gas in a sleeve (5) enters a liquid tank (10) and an inner groove (17) through a gas pipe (9) and a communicating pipe (16), and sealants in the liquid tank (10) and the inner groove (17) are sprayed to the joint of the concrete and the first water stop section (1) and the joint of the first water stop section (1) and the second water stop section (3);
s4: after the second water stop joint (3) is installed, the template can be detached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374540.6A CN113026972B (en) | 2021-04-07 | 2021-04-07 | One-time embedded water stop joint for drainage of constructional engineering and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110374540.6A CN113026972B (en) | 2021-04-07 | 2021-04-07 | One-time embedded water stop joint for drainage of constructional engineering and construction method thereof |
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| CN113026972A true CN113026972A (en) | 2021-06-25 |
| CN113026972B CN113026972B (en) | 2022-08-26 |
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