CN110984341A - Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method - Google Patents
Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method Download PDFInfo
- Publication number
- CN110984341A CN110984341A CN202010000947.8A CN202010000947A CN110984341A CN 110984341 A CN110984341 A CN 110984341A CN 202010000947 A CN202010000947 A CN 202010000947A CN 110984341 A CN110984341 A CN 110984341A
- Authority
- CN
- China
- Prior art keywords
- waterproof
- pipeline
- construction method
- proofing
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention provides a concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method, which comprises a waterproof construction method of an internal pipeline interface and a waterproof construction method of an external pipeline interface, wherein the waterproof construction method of the internal pipeline interface comprises the following steps: A1. filling gaps at the inner interface of the pipeline with waterproof mortar; A2. after the waterproof mortar is filled, brushing a first layer of waterproof caulking sealant on a gap at an interface inside the pipeline and the periphery of the interface inside the pipeline; A3. paving a waterproof roll on the first layer of waterproof caulking sealant in the step A2; A4. coating waterproof paint on the waterproof roll in the step A3; A5. and (D) brushing a second layer of waterproof caulking sealant on the waterproof coating in the step A4. The invention well solves the problem of water leakage/seepage at the construction connection part of the socket type pipeline, has convenient construction, simple and easily obtained materials, obvious waterproof effect and low manufacturing cost, and has good popularization and use values.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a seepage-proofing and water-leakage-proofing construction method for a concrete socket type pipeline.
Background
Concrete pipelines are often applied to sewage and rainwater drainage engineering construction in municipal engineering and are also commonly used in drainage engineering construction of highway engineering, in the drainage engineering construction of the concrete pipelines, the problem of water seepage or water leakage easily occurs at the connecting part of each pipeline, and the existing seepage-proofing and water-leakage-proofing treatment is difficult to effectively solve the problem, so that great difficulty is easily caused to engineering construction. Common concrete pipelines are divided into a flat type, a tongue-and-groove type and a socket type according to a pipeline interface mode, wherein the socket type interface mode is that one end of one pipeline is made into a socket, the other end of the one pipeline is made into a bell mouth, the socket end of the one pipeline is inserted into the bell mouth end of the other pipeline for connection, and the water seepage and leakage prevention of the joint part of the socket type pipeline is different from that of the other two pipelines. Aiming at the seepage-proofing and water-leakage-proofing treatment of the connection part of the concrete bell and spigot type pipeline, a perfect construction method is formed through repeated tests, exploration and summary of field construction.
Disclosure of Invention
Aiming at the technical problems, the invention provides a seepage-proofing and water-leakage-proofing construction method for a concrete socket type pipeline, which is used for solving the problem that water seepage and leakage proofing are easy to occur at the connection part of the concrete socket type pipeline in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method comprises a waterproof construction method of an internal pipeline interface and a waterproof construction method of an external pipeline interface, wherein the waterproof construction method of the internal pipeline interface comprises the following steps:
A1. filling gaps at the inner interface of the pipeline with waterproof mortar;
A2. after the waterproof mortar is filled, brushing a first layer of waterproof caulking sealant on a gap at an interface inside the pipeline and the periphery of the interface;
A3. paving a waterproof roll on the first layer of waterproof caulking sealant in the step A2;
A4. coating waterproof paint on the waterproof roll in the step A3;
A5. and (D) brushing a second layer of waterproof caulking sealant on the waterproof coating in the step A4.
Further, the water-cement ratio of the waterproof mortar adopted in the step A1 is not more than 0.5, the waterproof mortar is filled, vibrated and compacted, and filled to be flush with the inner interface of the pipeline;
the painting range of the first layer of waterproof caulking sealant in the step A2 is that the first layer of waterproof caulking sealant extends towards two sides by taking a gap at an interface inside the pipeline as a center, and the extension width of each of the two sides is not less than 7 cm;
the paving width of the waterproof coiled material in the step A3 is that the waterproof coiled material extends towards two sides by taking a gap at the interface inside the pipeline as a center, the extending width of each of the two sides is not less than 5cm, the paving width of the waterproof coiled material is less than the painting width of the waterproof sealant in the step A2, the waterproof coiled material is paved into a ring along the periphery of the pipeline, and the lap joint length of the ring joint part is not less than 5 cm;
the painting width of the waterproof paint in the step A4 is larger than the width of the waterproof coiled material paved and pasted in the step A3, and the distance between the outer edge of the waterproof paint and the corresponding edge of the waterproof coiled material is not less than 1 cm;
and step A5, brushing a second layer of waterproof caulking sealant after the waterproof coating is solidified, wherein the brushing width of the second layer of waterproof caulking sealant is the same as that of the waterproof coating in the step A4.
Further, the waterproof construction method of the pipeline external interface comprises the following steps:
B1. filling gaps at the external interface of the pipeline with waterproof mortar;
B2. waterproof mortar is adopted to be applied to the external interface of the pipeline along the circumference of the pipeline to form triangular ash;
B3. covering the triangular ash with a plastic film and maintaining for 2-4 days;
B4. and (4) brushing waterproof caulking sealant on the triangular ash part after removing the plastic film.
Further, the water-cement ratio of the waterproof mortar adopted in the step B1 is not more than 0.5, a gap at the external interface of the pipeline is wetted with water before filling, then the gap at the external interface of the pipeline is filled with the waterproof mortar and vibrated to be compact, and the waterproof mortar is filled until the waterproof mortar is flush with the bell mouth of the socket type pipeline;
the water-cement ratio of the waterproof mortar adopted in the step B2 is 0.53-0.57, the waterproof mortar is compacted when triangular ash is applied, and the height of the triangular ash applied is consistent with the wall thickness of the socket type pipeline;
and step B3, finishing the application of the triangular ash and compacting the triangular ash before the triangular ash is initially set, immediately covering the triangular ash with a plastic film and curing for 3 days.
Further, a rubber ring is clamped at the interface of the outer part of the pipeline.
The invention has the beneficial effects that: the construction method of the invention adopts waterproof mortar to fill the inner and outer interface gaps of the pipeline, which primarily plays a role in reinforcement and water prevention, and then paints sealant, lays waterproof coiled materials and waterproof paint on the inner interface gaps and the periphery to seal and prevent water layer by layer, thereby enhancing the waterproof effect; the external interface is subjected to triangular ash and maintained, so that the external interface of the pipeline is reinforced, a waterproof effect can be achieved, and then the waterproof effect of the external interface is enhanced by coating the sealant; the invention well solves the problem of water leakage prevention at the construction connection part of the socket type pipeline, has convenient construction, simple and easily obtained materials, obvious waterproof effect and low manufacturing cost, and has good popularization and use values.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, a concrete socket pipe seepage-proofing and water-leakage-proofing construction method is a perfect seepage-proofing and water-leakage-proofing construction method formed by field repeated tests, exploration and summary, and comprises a waterproof construction method for an internal pipe joint and a waterproof construction method for an external pipe joint, wherein the waterproof construction method for the internal pipe joint comprises the following steps:
A1. filling a gap at an internal interface of a twist-sealed pipeline, namely a radial gap between the end surface of a spigot 9 of the spigot-and-socket type pipeline and the bottom surface of a bell mouth, with waterproof mortar 2, wherein the waterproof mortar is tightly vibrated during filling, fully filled and smooth in finished surface, and filled to be flush with the internal interface of the pipeline, the water-cement ratio of the waterproof mortar is not more than 0.5, and the mortar is slightly dry; the step is to preliminarily seal the gap at the interface inside the pipeline;
A2. after the waterproof mortar 2 is filled and twisted, sweeping the inner wall near the concrete pipeline interface completely, brushing a first layer of waterproof caulking sealant 3 on a gap at the interface inside the pipeline filled with the waterproof mortar and on the pipe wall around the interface inside the pipeline uniformly and slowly, wherein the brushing part extends towards two sides by taking the gap at the interface inside the pipeline as a center, and the extension width of each of the two sides is not less than 7 cm; the waterproof caulking sealant has good bonding force and water resistance, belongs to an environment-friendly product, and plays a good role in preventing water seepage and water leakage when being coated on a pipeline interface;
A3. after the first layer of waterproof caulking sealant 3 is coated, continuously paving the waterproof coiled material 4 on the part which is coated with the first layer of waterproof caulking sealant in the step A2, wherein the waterproof coiled material can use common self-adhesive waterproof coiled materials, the width of the waterproof coiled material is cut in advance according to needs, the paving width of the waterproof coiled material is in the range that the seam at the interface inside the pipeline is taken as the center and extends towards two sides, the extending width of each of the two sides is not less than 5cm, but the paving width is less than the coating width of the waterproof sealant, the waterproof coiled material is pasted and sealed along the periphery of the pipeline to form a ring, and the lap joint length of the annular; the waterproof coiled material has good water resistance, is used for preventing seepage and water leakage at a pipeline joint, has good waterproof performance, is long in service time, is not easy to break, does not flow or bubble at high temperature, does not crack at low temperature, and can keep long-term seepage and water leakage preventing effect when being used for preventing seepage and water leakage of a pipeline;
A4. after the waterproof roll 4 is laid and attached, continuously brushing the waterproof coating 5 on the part laid and attached with the waterproof roll 4 in the step A3, wherein the brushing is uniformly and slowly carried out, the brushing width is greater than the width of the waterproof roll, the distance between the outer edge of the waterproof coating and the corresponding edge of the waterproof roll is not less than 1cm, specifically, the distance between the left edge of the waterproof coating and the left edge of the waterproof roll is not less than 1cm, and the distance between the right edge of the waterproof coating and the right edge of the waterproof roll is not less than 1 cm; the waterproof coating is a polymer cement-based waterproof coating, is used at a pipeline joint, has better bonding force, has air-permeable surface, can prevent the formation of water vapor pressure, is water-impermeable, has good waterproof performance, is nontoxic, harmless and noncorrosive, and is very environment-friendly;
A5. after the waterproof coating 5 is coated, after the waterproof coating is solidified, continuously coating a second layer of waterproof caulking sealant 6 on the part which is coated with the waterproof coating 5 in the step A4, wherein the coating is uniformly and slowly carried out, and the coating width is the same as that of the waterproof coating 5; the second layer of waterproof caulking sealant further enhances the effects of water seepage prevention and water leakage prevention. The step is to seal the inner interface of the concrete socket type pipeline layer by layer through the waterproof material, so that the waterproof effect is improved, and the waterproof material is durable, not easy to damage and capable of keeping a long-term sealing waterproof effect.
Further, the waterproof construction method of the pipeline external interface comprises the following steps:
B1. filling a gap at an external interface of the pipeline, namely a circumferential gap between the outer wall of a spigot end and the inner wall of a socket end of the spigot-and-socket type pipeline, with waterproof mortar 7, wherein the waterproof mortar is slightly dry, and the water-cement ratio of the waterproof mortar is not more than 0.5; before filling, filling a mineral water bottle with full water, penetrating a small hole at the bottle cap and screwing the bottle cap, then aligning the bottle cap with the joint gap to extrude the mineral water bottle, flushing the gap with water to wet the gap, then filling waterproof mortar, vibrating while filling, and filling the waterproof mortar until the waterproof mortar is flush with the end face of a bell mouth 10 of the concrete bell and spigot type pipeline; the step is to carry out primary sealing on the external interface gap of the pipeline;
B2. cleaning and wetting two sides of the external interface of the pipeline to prepare for applying triangular ash, namely cleaning and wetting the end surface of the bell mouth 10 of the socket type pipeline, the outer wall of the bell mouth and the outer wall of the spigot near the end surface of the bell mouth 10, removing impurities such as mortar and dust during cleaning, particularly paying special attention to cleaning the interface part below the pipeline, sprinkling water to the two sides of the external interface of the pipeline after cleaning, and paying attention to completely wetting the end surface of the bell mouth 10 of the pipeline; when two sides of an external interface of the pipeline are wet and no clear water exists, triangular ash 8 is applied along the circumference of the pipeline at a position between the end face of the socket 10 of the socket type pipeline and the outer wall of the spigot by adopting waterproof mortar, the water-cement ratio of the adopted waterproof mortar is 0.53-0.57, the water-cement ratio adopted in the embodiment is 0.55, the triangular ash is compacted when applied, and the height of the applied triangular ash is consistent with the wall thickness of the end face of the socket 10 of the pipeline; the manufactured triangular ash is connected and reinforced with the connecting part of the bell mouth of the socket-and-spigot type pipeline and the outer wall of the spigot end, and can play a good role in waterproof sealing;
B3. polishing and compacting by using a tool after the triangular ash is applied and before the triangular ash is initially set, immediately covering the triangular ash with a plastic film, and curing for 2-4 days, wherein in the embodiment, the curing is performed for 3 days; the triangular ash can be firmed and has stable performance and stable waterproof effect after maintenance;
B4. after the curing reaches 3 days, removing the plastic film, coating waterproof caulking sealant on the triangular ash part, and coating the triangular ash part in a reinforced manner on the pipeline contact part; and the waterproof caulking sealant is coated and then the waterproof effect is further enhanced. Through the steps, the gap at the interface of the outside of the pipeline is sealed, and the connection part of the bell mouth of the socket type pipeline and the socket pipeline can be reinforced and sealed, so that the waterproof effect is enhanced.
Further, a rubber ring 1 is clamped at the external interface of the pipeline. Through centre gripping rubber circle 1 between the bellmouth of socket joint type pipeline and socket, further improved sealed effect. The construction method seals the inner interface and the outer interface of the socket type pipeline layer by layer, and has the advantages of convenient construction, simple and easily obtained materials, obvious waterproof effect, low manufacturing cost, good economic benefit and practicability.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method is characterized by comprising a waterproof construction method of an internal pipeline interface and a waterproof construction method of an external pipeline interface, wherein the waterproof construction method of the internal pipeline interface comprises the following steps:
A1. filling gaps at the inner interface of the pipeline with waterproof mortar (2);
A2. after the waterproof mortar (2) is filled, brushing a first layer of waterproof caulking sealant (3) on the gap at the interface inside the pipeline and the periphery of the interface inside the pipeline;
A3. paving a waterproof roll (4) on the first layer of waterproof caulking sealant (3) in the step A2;
A4. coating waterproof paint (5) on the waterproof roll (4) in the step A3;
A5. and (D) brushing a second layer of waterproof caulking sealant (6) on the waterproof paint (5) in the step A4.
2. The concrete bell and spigot type pipeline seepage-proofing and water-leakage-proofing construction method according to claim 1, wherein the water cement ratio of the waterproof mortar adopted in the step A1 is not more than 0.5, the waterproof mortar is compacted by vibration when being filled, and the waterproof mortar is filled to be flush with an inner joint of the pipeline.
3. The concrete faucet type pipeline seepage-proofing and water-leakage-proofing construction method according to claim 1 or 2, wherein the painting range of the first layer of waterproof caulking sealant (3) in the step A2 is that the waterproof caulking sealant extends towards two sides by taking a gap at the internal interface of the pipeline as a center, and the extension width of each of the two sides is not less than 7 cm;
and B, the paving width of the waterproof coiled material in the step A3 is that the waterproof coiled material extends towards two sides by taking a gap at the interface inside the pipeline as a center, the extending width of each of the two sides is not less than 5cm, the paving width of the waterproof coiled material is less than the painting width of the waterproof sealant in the step A2, the waterproof coiled material is paved along the periphery of the pipeline into a ring shape, and the lap joint length of the annular joint part is not less than 5 cm.
4. The construction method of claim 3, wherein the painting width of the waterproof paint in step A4 is greater than the width of the waterproof roll in step A3, and the distance between the outer edge of the waterproof paint and the corresponding edge of the waterproof roll is not less than 1 cm;
and step A5, brushing a second layer of waterproof caulking sealant after the waterproof coating is solidified, wherein the brushing width of the second layer of waterproof caulking sealant is the same as that of the waterproof coating in the step A4.
5. The concrete faucet type pipeline seepage-proofing and water-leakage-preventing construction method according to claim 1, 2 or 4, wherein the waterproof construction method of the pipeline external interface comprises the following steps:
B1. waterproof mortar (7) is adopted to fill gaps at the external interface of the pipeline;
B2. waterproof mortar is adopted to be applied to the external interface of the pipeline along the circumference of the pipeline to form triangular ash (8);
B3. covering the triangular ash with a plastic film and maintaining for 2-4 days;
B4. and (4) brushing waterproof caulking sealant on the triangular ash part after removing the plastic film.
6. The concrete bell and spigot type pipeline seepage-proofing and water-leakage-preventing construction method according to claim 5, wherein the water cement ratio of the waterproof mortar adopted in the step B1 is not more than 0.5, the gap at the external interface of the pipeline is wetted with water before filling, then the gap at the external interface of the pipeline is filled with the waterproof mortar and vibrated to be compact, and the waterproof mortar is filled to be flush with the bell mouth (10) of the bell and spigot type pipeline.
7. The concrete bell and spigot type pipeline seepage-proofing and water-leakage-preventing construction method according to claim 5, wherein the water-cement ratio of the waterproof mortar adopted in the step B2 is 0.53-0.57, the waterproof mortar is compacted when triangular cement is applied, and the height of the applied triangular cement is consistent with the wall thickness of a bell mouth (10) of the bell and spigot type pipeline.
8. The method for constructing a concrete faucet pipe according to claim 6 or 7, wherein the step B3 is performed by compacting after the application of the triangular ash is completed and before the triangular ash is initially solidified, covering the triangular ash with a plastic film, and curing for 3 days.
9. The construction method for preventing seepage and leakage of concrete bell and spigot type pipelines according to claim 1 or 2 or 4 or 6 or 7, wherein a rubber ring (1) is clamped at the external interface of the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010000947.8A CN110984341A (en) | 2020-01-02 | 2020-01-02 | Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010000947.8A CN110984341A (en) | 2020-01-02 | 2020-01-02 | Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110984341A true CN110984341A (en) | 2020-04-10 |
Family
ID=70080557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010000947.8A Pending CN110984341A (en) | 2020-01-02 | 2020-01-02 | Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110984341A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145832A (en) * | 2020-05-10 | 2020-12-29 | 怀化沃普环保科技有限公司 | Anti-seepage joint structure for pipeline surface energy |
| CN112900585A (en) * | 2021-01-20 | 2021-06-04 | 北票电力电杆制造有限公司 | Novel reinforced concrete drain pipe construction method and construction assembly |
| CN113442082A (en) * | 2021-06-02 | 2021-09-28 | 浙江振大实业建设有限公司 | Pipeline installation equipment and method for building engineering |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203213318U (en) * | 2013-04-27 | 2013-09-25 | 中建七局安装工程有限公司 | Waterproof layer for sump |
| CN207621524U (en) * | 2017-12-15 | 2018-07-17 | 湖南中铭工程技术有限责任公司 | Pipeline, which docks circumferential weld, repairs sealing structure |
| CN108487414A (en) * | 2018-04-14 | 2018-09-04 | 河南建筑材料研究设计院有限责任公司 | The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing |
| CN209040243U (en) * | 2018-10-25 | 2019-06-28 | 青岛建设集团有限公司 | Urban discharging pipeline seam construction |
-
2020
- 2020-01-02 CN CN202010000947.8A patent/CN110984341A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203213318U (en) * | 2013-04-27 | 2013-09-25 | 中建七局安装工程有限公司 | Waterproof layer for sump |
| CN207621524U (en) * | 2017-12-15 | 2018-07-17 | 湖南中铭工程技术有限责任公司 | Pipeline, which docks circumferential weld, repairs sealing structure |
| CN108487414A (en) * | 2018-04-14 | 2018-09-04 | 河南建筑材料研究设计院有限责任公司 | The waterproof construction and construction method of bell and spigot or steel bellmouth concrete pipe seam crossing |
| CN209040243U (en) * | 2018-10-25 | 2019-06-28 | 青岛建设集团有限公司 | Urban discharging pipeline seam construction |
Non-Patent Citations (3)
| Title |
|---|
| 中华人民共和国建设部: "非金属管道安装", 《给水排水管道工程施工及验收规范》 * |
| 张时珍 等: "《管道工程》", 30 June 2013 * |
| 徐鼎文 等: "《给水排水工程施工》", 31 December 1993 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145832A (en) * | 2020-05-10 | 2020-12-29 | 怀化沃普环保科技有限公司 | Anti-seepage joint structure for pipeline surface energy |
| CN112145832B (en) * | 2020-05-10 | 2022-11-04 | 迪威尔(建湖)精工科技有限公司 | Anti-seepage joint structure for pipeline surface energy |
| CN112900585A (en) * | 2021-01-20 | 2021-06-04 | 北票电力电杆制造有限公司 | Novel reinforced concrete drain pipe construction method and construction assembly |
| CN112900585B (en) * | 2021-01-20 | 2022-07-29 | 北票电力电杆制造有限公司 | Reinforced concrete drain pipe construction assembly and construction method |
| CN113442082A (en) * | 2021-06-02 | 2021-09-28 | 浙江振大实业建设有限公司 | Pipeline installation equipment and method for building engineering |
| CN113442082B (en) * | 2021-06-02 | 2024-05-14 | 浙江振大实业建设有限公司 | Pipeline installation equipment for constructional engineering and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110984341A (en) | Concrete socket type pipeline seepage-proofing and water-leakage-proofing construction method | |
| CN110984342A (en) | Seepage-proofing and water-leakage-proofing construction method for plain and grooved pipelines | |
| CN106930331A (en) | Waterproof structure system of underground pipe gallery expansion joint and construction method thereof | |
| CN105297782A (en) | Underground concrete structure expansion joint treatment structure and construction method thereof | |
| CN113047459A (en) | Construction process for laying HDPE (high-density polyethylene) high-molecular self-adhesive film waterproof coiled material | |
| CN113513048A (en) | Station house underground passage leakage-proof structure and construction process | |
| CN113789816A (en) | Basement high-water-level precast pile head waterproof structure and construction method thereof | |
| CN211312492U (en) | Prestressed pipe pile head waterproof structure and pipe pile head | |
| CN211312769U (en) | Connecting member of plastic pipe and concrete prefabricated inspection well | |
| CN112392157A (en) | Toilet waterproof structure, construction process and protection process thereof | |
| CN103267181B (en) | Plain end concrete pipe connecting method | |
| CN116411594A (en) | Waterproof construction method | |
| CN217352628U (en) | Basement waterproof structure | |
| CN110953416A (en) | Pipe joint sealing method for socket type reinforced concrete drain pipe | |
| CN218267677U (en) | Leakage-proof structure for building water supply and drainage engineering | |
| CN111535368A (en) | Basement waterproof construction process | |
| CN110145038A (en) | A kind of slip casing by pressure sealing waterproof coiled material construction technique | |
| CN215630186U (en) | Basement high water level precast pile head waterproof construction | |
| CN201620428U (en) | Basement deformation joint water stopping device | |
| CN219011320U (en) | Basement side wall waterproof structure in high water level area | |
| CN219430841U (en) | Waterproof structure for upstream surface of underground diaphragm wall | |
| CN215860235U (en) | Waterproof device for joint of pipe sheet | |
| CN204825970U (en) | Prefabricated assembled reinforced concrete inspection shaft | |
| CN220891321U (en) | Wall bushing plugging structure | |
| CN220644654U (en) | Antiseep structural layer of cast-in-place concrete reserved hole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |
|
| RJ01 | Rejection of invention patent application after publication |