CN111219538A - Construction process for replacing waterproof casing pipe - Google Patents
Construction process for replacing waterproof casing pipe Download PDFInfo
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- CN111219538A CN111219538A CN201911350618.XA CN201911350618A CN111219538A CN 111219538 A CN111219538 A CN 111219538A CN 201911350618 A CN201911350618 A CN 201911350618A CN 111219538 A CN111219538 A CN 111219538A
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- Prior art keywords
- waterproof
- pipe section
- pipe
- construction process
- connecting joint
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention relates to a waterproof pipeline construction process, in particular to a construction process for replacing a waterproof casing pipe; the method comprises the steps of pretreating the pipe section, treating an anticorrosive layer, a waterproof layer and a river sand coating layer of the waterproof pipe section, fixing the waterproof pipe section in a wall body in the process of casting a concrete wall or prefabricating the wall body in situ, and finally connecting two ends of the waterproof pipe section with external pipelines; the construction process for replacing the waterproof casing pipe has the advantages of reducing process difficulty, simplifying process and improving process quality.
Description
Technical Field
The invention relates to a waterproof construction process, in particular to a construction process for replacing a waterproof casing.
Background
In 2002, China releases the setting requirement of a waterproof sleeve and a construction process national standard drawing set 'waterproof sleeve' 02S404 when a pipeline passes through a basement outer wall, a water pool, a toilet, a roof and other rooms with waterproof requirements; the drawing sets the selection and the concrete method of the waterproof casing pipe in different occasions in detail, and fig. 1 is a construction structure in the prior art, which comprises a casing pipe 1, a wing ring 2 is arranged on the casing pipe, a retainer ring 3 is arranged on a pipeline 4, oil hemp 5 is filled at the position of the retainer ring 3 of the pipeline, and asbestos cement 6 is filled in the rest gaps of the casing pipe 1 and the pipeline 4. However, the following problems still exist in the actual construction and later maintenance processes: (1) the types of the sleeves are too many and are easy to be mixed up. (2) The construction process is complex and the working procedures are excessive. (3) During secondary plugging, the oil-flax and the asbestos cement are not suitable for being filled and are easy to leak water. (4) Once water leakage occurs, the difficulty in solving is high, and the later maintenance and management are complex. (5) Long construction period, high cost and difficult quality guarantee.
Disclosure of Invention
The invention aims to provide a construction process for replacing a waterproof casing, which shortens the construction period, improves the quality and simplifies the later maintenance management work by reducing the types of the casings, simplifying the working procedures and reducing the construction difficulty.
The construction process for replacing the waterproof casing in the scheme comprises the following steps,
(1) blanking according to the designed determined pipe diameter and pipe section length, installing a water stop wing ring in the middle of the pipe section, installing connecting joints at two ends of the pipe section, wherein the connecting joints are detachably and fixedly connected;
(2) performing antiseptic treatment on the inner pipe wall and the outer pipe wall of the pipe section to form an antiseptic layer,
(3) performing waterproof treatment on the outer wall of the pipe section after the anticorrosion treatment, adding a waterproof layer, and drying in the shade for later use;
(4) after the waterproof layer absorbs sweat, uniformly coating clean river sand on the surface of the pipe section, and enabling the river sand to be embedded into the waterproof layer and tightly combined with the waterproof layer to form a river sand coating layer;
(5) the cast-in-place concrete wall or the prefabricated wall body, when the reinforcing steel bars of the pool wall are bound, the processed pipe sections are fixed on the reinforcing steel bar net rack, and the connecting joints at the two ends of the pipe sections are exposed outside the wall body;
(6) when the template is sealed, the prefabricated opening template is adopted to fix the pipe section, and a gap between the template and the pipe section is sealed, so that slurry leakage and mold explosion are prevented;
(7) when the mold is removed, the protective film of the pipe orifice is not damaged, whether the concrete around the pipe orifice is dense is carefully checked, and the defective place is repaired;
(8) and the two ends of the pipe section are connected with joints to be provided with external pipelines.
The invention has the advantages that: 1. the function can effectively replace the types of various conventional sleeves, thereby avoiding confusion and reducing construction difficulty; 2. an anti-corrosion layer and a waterproof layer are directly added on the pipe section, so that the secondary plugging process is reduced, the process is simplified, and the construction quality is improved; 3. the river sand plastering layer is used for increasing the surface roughness of the pipe wall, enhancing the binding force between the pipe wall of the waterproof pipe section and the concrete wall, preventing the concrete wall from shrinking and cracks between the pipe wall in the initial setting stage, improving the construction quality, and the waterproof layer also plays a role in better fixing and combining river sand; 4. the two end parts of the pipe section are detachably connected with the external pipeline, so that the external pipeline is more convenient to replace, and the later maintenance and management work is simplified.
Further, the waterproof layer in the step (3) is a polyurethane waterproof coating, and the thickness of the polyurethane waterproof coating is not less than 1 mm. The polyurethane waterproof coating has good waterproof performance, and can be well combined and fixed with river sand to form a stable river sand floating surface layer.
Further, when the concrete wall is poured in the step (5), the vibrating rod needs to be away from the pipe section for a certain distance, the vibrating rod needs to vibrate nearby the pipe section, and the distance between the vibrating rod and the pipe section is not less than 200 mm. Water-proof layer for preventing damage to pipe section and preventing pipe section from displacement
Further, the pipe section is a metal pipe or a PVC pipe. And selecting according to the use requirement.
Further, the external pipeline in the step (8) is a liquid pipeline or an electromechanical pipeline or a pressure gas pipeline. Can be suitable for more use environments, and is suitable for water, electricity or ventilation.
Further, the connecting joint is a flange connecting joint. The detachable fixed connection mode is selected according to the use requirement.
Further, the connecting joint is a socket type connecting joint. The detachable fixed connection mode is selected according to the use requirement.
Further, the connection joint is a threaded connection joint. The detachable fixed connection mode is selected according to the use requirement.
Further, the connecting joint is a clamp type connecting joint. The detachable fixed connection mode is selected according to the use requirement.
Furthermore, the connecting joint is a clamping and pressing type connecting joint. The detachable fixed connection mode is selected according to the use requirement.
Drawings
FIG. 1 is a schematic view of a construction structure of a waterproof casing according to the prior art;
fig. 2 is a schematic structural view of the construction process for replacing the waterproof casing pipe after the construction is completed.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
according to fig. 2, the invention provides a construction process for replacing a waterproof casing, comprising the following steps:
(1) blanking according to the designed pipe diameter and pipe section length, wherein the pipe section can be a metal pipe or a PVC pipe, a water stop wing ring 2 is installed in the middle of the pipe section 1, and connecting joints 3 are installed at two ends of the pipe section and are connected in a detachable and fixed mode; the connecting joint can be a flange connecting joint, a socket type connecting joint, a threaded connecting joint, a clamp type connecting joint or a clamping type connecting joint, the water stopping wing ring 2 is made of the same material as the pipe section 1, the plastic water stopping wing ring is fixedly bonded, and the metal water stopping wing ring is fixedly welded.
(2) And performing anticorrosive treatment on the inner pipe wall and the outer pipe wall of the pipe section to form an anticorrosive coating, wherein the anticorrosive coating adopts the national standard.
(3) And performing waterproof treatment on the outer wall of the pipe section after the anticorrosion treatment, adding a waterproof layer, wherein the waterproof layer coating is a polyurethane waterproof coating, the thickness of the waterproof layer coating is not less than 1mm, the thickness of the waterproof layer coating is 1mm, and the waterproof layer coating is uniformly dried in the shade for later use.
(4) And after the waterproof layer absorbs sweat, placing the pipe section in the groove filled with the river sand, uniformly coating the surface of the pipe section with clean river sand, and embedding the river sand into the waterproof layer to be tightly combined with the waterproof layer to form a river sand coating layer.
(5) The cast-in-place concrete wall or the prefabricated wall body, when the reinforcing steel bars of the pool wall are bound, the processed pipe sections are fixed on the reinforcing steel bar net rack, and the connecting joints at the two ends of the pipe sections are exposed outside the wall body; when a concrete wall is poured, the water stop wing ring 2 in the middle of the pipe section is arranged in the middle of the wall 4, the vibrating rod is far away from the waterproof pipe section for a certain distance, the distance is not less than 200mm, and the vibrating rod vibrates near the waterproof pipe section to prevent the waterproof layer of the pipe section from being damaged and the pipe section from running.
(6) When the template is sealed, the prefabricated opening template is adopted to fix the pipe section, and a gap between the template and the pipe section is sealed, so that slurry leakage and mold explosion are prevented; and large gaps are blocked by wood boards, and small gaps are blocked by waterproof adhesive tapes.
(7) And (3) the protective film of the pipe orifice is not damaged when the mold is removed, whether the concrete around the pipe orifice is dense is carefully checked, and the defective part is repaired.
(8) The two ends of the pipe section are connected with joints and are provided with external pipelines 5. The external pipeline can be a liquid pipeline or an electromechanical pipeline or a pressure gas pipeline, and is suitable for water, oil, air, oxygen, gas and electromechanics.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics in the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practical applicability of the present invention.
Claims (10)
1. A construction process for replacing a waterproof casing is characterized in that: comprises the following steps of (a) carrying out,
(1) blanking according to the designed determined pipe diameter and pipe section length, installing a water stop wing ring in the middle of the pipe section, installing connecting joints at two ends of the pipe section, wherein the connecting joints are detachably and fixedly connected;
(2) performing antiseptic treatment on the inner pipe wall and the outer pipe wall of the pipe section to form an antiseptic layer,
(3) performing waterproof treatment on the outer wall of the pipe section after the anticorrosion treatment, adding a waterproof layer, and drying in the shade for later use;
(4) after the waterproof layer absorbs sweat, uniformly coating clean river sand on the surface of the pipe section, and enabling the river sand to be embedded into the waterproof layer and tightly combined with the waterproof layer to form a river sand coating layer;
(5) the cast-in-place concrete wall or the prefabricated wall body, when the reinforcing steel bars of the pool wall are bound, the processed pipe sections are fixed on the reinforcing steel bar net rack, and the connecting joints at the two ends of the pipe sections are exposed outside the wall body;
(6) when the template is sealed, the prefabricated opening template is adopted to fix the pipe section, and a gap between the template and the pipe section is sealed, so that slurry leakage and mold explosion are prevented;
(7) when the mold is removed, the protective film of the pipe orifice is not damaged, whether the concrete around the pipe orifice is dense is carefully checked, and the defective place is repaired;
(8) and the two ends of the pipe section are connected with joints to be provided with external pipelines.
2. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: the waterproof layer in the step (3) is a polyurethane waterproof coating, and the thickness of the polyurethane waterproof coating is not less than 1 mm.
3. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: and (5) when the concrete wall is poured in the step (5), the vibrating rod is far away from the pipe section for a certain distance, the vibrating rod vibrates nearby the pipe section, and the distance between the vibrating rod and the pipe section is not less than 200 mm.
4. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: the pipe section is a metal pipe or a PVC pipe.
5. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: and (4) the external pipeline in the step (8) is a liquid pipeline or an electromechanical pipeline or a pressure gas pipeline.
6. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: the connecting joint is a flange connecting joint.
7. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: the connecting joint is a socket type connecting joint.
8. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: the connecting joint is a threaded connecting joint.
9. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: the connecting joint is a clamp type connecting joint.
10. The construction process of the substitute waterproof sleeve according to claim 1, characterized in that: the connecting joint is a clamping and pressing type connecting joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350618.XA CN111219538B (en) | 2019-12-24 | 2019-12-24 | Construction process for replacing waterproof casing pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350618.XA CN111219538B (en) | 2019-12-24 | 2019-12-24 | Construction process for replacing waterproof casing pipe |
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| CN111219538A true CN111219538A (en) | 2020-06-02 |
| CN111219538B CN111219538B (en) | 2022-02-08 |
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| CN201911350618.XA Active CN111219538B (en) | 2019-12-24 | 2019-12-24 | Construction process for replacing waterproof casing pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4222212A1 (en) * | 1992-07-07 | 1994-01-13 | Wolfgang Van Hove | Fire protection - involves fire sleeve airtightly closed by rubber sealing ring to give long-lasting effect |
| CN204080862U (en) * | 2014-07-11 | 2015-01-07 | 辽宁远东新型管业发展有限公司 | With the waterproof short tube through walls of earrings |
| CN204493921U (en) * | 2015-03-25 | 2015-07-22 | 大庆市江宇川科技开发有限公司 | Trenchless engineering special anti-corrosion thermal insulation pipe |
| FR3017920A1 (en) * | 2014-02-24 | 2015-08-28 | Grtgaz | SHUTTER FOR OPENING A SAIL |
| CN109057819A (en) * | 2018-06-26 | 2018-12-21 | 河海大学 | A kind of construction method of the compound two linings form of shield method effluent tunnel |
| CN208595356U (en) * | 2018-08-10 | 2019-03-12 | 上海燃气浦东销售有限公司 | Pipeline corrosion protection structure for floor wall through-Penetration portion |
-
2019
- 2019-12-24 CN CN201911350618.XA patent/CN111219538B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4222212A1 (en) * | 1992-07-07 | 1994-01-13 | Wolfgang Van Hove | Fire protection - involves fire sleeve airtightly closed by rubber sealing ring to give long-lasting effect |
| FR3017920A1 (en) * | 2014-02-24 | 2015-08-28 | Grtgaz | SHUTTER FOR OPENING A SAIL |
| CN204080862U (en) * | 2014-07-11 | 2015-01-07 | 辽宁远东新型管业发展有限公司 | With the waterproof short tube through walls of earrings |
| CN204493921U (en) * | 2015-03-25 | 2015-07-22 | 大庆市江宇川科技开发有限公司 | Trenchless engineering special anti-corrosion thermal insulation pipe |
| CN109057819A (en) * | 2018-06-26 | 2018-12-21 | 河海大学 | A kind of construction method of the compound two linings form of shield method effluent tunnel |
| CN208595356U (en) * | 2018-08-10 | 2019-03-12 | 上海燃气浦东销售有限公司 | Pipeline corrosion protection structure for floor wall through-Penetration portion |
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| Publication number | Publication date |
|---|---|
| CN111219538B (en) | 2022-02-08 |
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Effective date of registration: 20220418 Address after: No.38 Hefeng Avenue, Xincheng District, Fuling District, Chongqing Patentee after: Chongqing Hengsheng Daye Architectural Design Co.,Ltd. Address before: 408000 38 hedufeng Avenue, Fuling District, Chongqing Patentee before: CHONGQING ZHONGKE DAYE BUILDING TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20220621 Address after: 408000 6th floor, office building, Lizhi sub district office, No.38, Shiyan Road, Fuling District, Chongqing Patentee after: Chongqing Fuling Daye building materials Co.,Ltd. Address before: No.38 Hefeng Avenue, Xincheng District, Fuling District, Chongqing Patentee before: Chongqing Hengsheng Daye Architectural Design Co.,Ltd. |