CN114293591A - Combination device of HPVC-U flexible pipe and concrete inspection well - Google Patents
Combination device of HPVC-U flexible pipe and concrete inspection well Download PDFInfo
- Publication number
- CN114293591A CN114293591A CN202210076742.7A CN202210076742A CN114293591A CN 114293591 A CN114293591 A CN 114293591A CN 202210076742 A CN202210076742 A CN 202210076742A CN 114293591 A CN114293591 A CN 114293591A
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- hpvc
- flexible pipe
- concrete
- inspection well
- well
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- 239000004567 concrete Substances 0.000 title claims abstract description 61
- 238000007689 inspection Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 21
- 239000011449 brick Substances 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 7
- 238000013461 design Methods 0.000 claims description 7
- 230000007547 defect Effects 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 238000000465 moulding Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention provides a combination device of an HPVC-U flexible pipe and a concrete inspection well, which comprises the inspection well and an HPVC-U flexible pipe arranged in the side wall of the inspection well in a penetrating way, wherein a concrete envelope is sleeved outside the end part of the HPVC-U flexible pipe, and the concrete envelope is arranged on the outer side wall of the inspection well. The invention has simple structure, saves cost, accelerates the project progress, solves the problem of new material HPVC-U pipe and the leakage node of the inspection well, and is beneficial to the popularization and application of new technology, new process and new material.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a device for combining an HPVC-U flexible pipe and a concrete inspection well.
Background
In order to avoid the water seepage phenomenon at the joint of the concrete pipe, the design of the HPVC-U pipe is adopted, and the rubber ring is adopted at the joint of the pipes, so that the water seepage phenomenon at the joint between the pipes is avoided, but the water leakage between the HPVC-U pipe and the template well is difficult to block in the construction process, particularly, the large-area water seepage phenomenon exists at the joint of the HPVC-U pipe and the sewage inspection well, although the polyurethane waterproof coating is coated at the joint, the water leakage phenomenon is temporarily solved, and when the water level reaches the test water level, the water leakage phenomenon exists at part of the joint.
Disclosure of Invention
In order to solve the problems, the invention discloses a combination device of an HPVC-U flexible pipe and a concrete inspection well.
The specific scheme is as follows:
the device for combining the HPVC-U flexible pipe with the concrete inspection well is characterized by comprising the inspection well and an HPVC-U flexible pipe penetrating through the side wall of the inspection well, wherein a concrete envelope is sleeved outside the end part of the HPVC-U flexible pipe, and the concrete envelope is arranged on the outer side wall of the inspection well.
As a further improvement of the invention, the concrete envelope is of a cuboid structure and comprises a cushion layer horizontally arranged below the HPVC-U flexible pipe, two brick moulding beds are arranged on the cushion layer and symmetrically arranged on two sides of the HPVC-U flexible pipe, the brick moulding beds are connected with the outer side wall of the inspection well, concrete is filled between the two brick moulding beds, and the concrete is tightly coated outside the HPVC-U flexible pipe.
As a further improvement of the invention, a preformed hole for inserting the end part of the HPVC-U flexible pipe is formed in the side wall of the inspection well, a beam frame matched with the preformed hole is arranged in the preformed hole in a matched mode, and the beam frame is sleeved outside the end part of the HPVC-U flexible pipe.
As a further improvement of the invention, the concrete encapsulated by the concrete is filled in a gap between the beam frame and the HPVC-U flexible pipe, and a polyurethane waterproof coating layer is further coated in the inspection well.
As a further improvement of the invention, the concrete is C20 fine-stone concrete. The minimum thickness between the concrete envelope and the HPVC-U flexible pipe is more than 200 mm. The width of the brick moulding bed is 120 mm. The cushion layer is a C15 cushion layer with the thickness of 100 mm.
The construction method of the combination device is characterized by comprising the following steps:
s1: carefully checking whether the HPVC-U flexible pipe is damaged or not in the processes of loading, unloading, transporting and stacking, and if defects such as breakage, crack, deformation and the like are found, removing the defect;
s2: the connection between the HPVC-U flexible pipe and the inspection well is constructed according to a design drawing;
s3: the HPVC-U flexible pipe is connected with a brick-built or concrete-cast inspection well, and an intermediate layer method can be adopted, namely, a polyvinyl chloride adhesive and coarse sand are used in advance to form an intermediate layer on the outer surface of the joint part of the HPVC-U flexible pipe and the well wall, and then cement mortar is used for building the well wall of the inspection well;
s4: when the HPVC-U flexible pipe is flexibly connected with the inspection well, a precast concrete lantern ring and a rubber sealing joint can be used;
s5, the reserved aperture of the connection between the inspection well and the HPVC-U flexible pipe is larger than the outer diameter of the pipe or the pipe fitting by 0.2m, and the circumferential surface of the reserved aperture is roughened before installation;
s6: and the bottom sand stone cushion layer of the inspection shaft bottom plate base is gently connected with the pipeline base layer.
The invention has the beneficial effects that: the structure is simple, the cost is saved, the engineering progress is accelerated, the problem of the new material HPVC-U pipe and the water leakage joint of the inspection well is solved, and the popularization and the application of the new technology, the new process and the new material are facilitated.
Drawings
FIG. 1 is a cross-sectional view of a concrete envelope of the present invention.
FIG. 2 is a schematic view of a prepared hole of the inspection well according to the present invention.
List of reference numerals:
1-inspection well, 2-HPVC-U flexible pipe, 3-cushion layer, 4-brick bed film, 5-concrete and 6-beam frame.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
As shown in the figure, the device for combining the HPVC-U flexible pipe with the concrete inspection well comprises the inspection well 1 and the HPVC-U flexible pipe 2 penetrating through the side wall of the inspection well, wherein a concrete envelope is sleeved outside the end part of the HPVC-U flexible pipe 2, and the concrete envelope is arranged on the outer side wall of the inspection well 1.
In the embodiment, the concrete envelope is of a cuboid structure and comprises a cushion layer 3 horizontally arranged below the HPVC-U flexible pipe 2, two brick moulding beds 4 are arranged on the cushion layer 3, the two brick moulding beds 4 are symmetrically arranged on two sides of the HPVC-U flexible pipe 2, the brick moulding beds 4 are connected with the outer side wall of the inspection well 1, concrete 5 is filled between the two brick moulding beds 4, and the concrete 5 is tightly wrapped outside the HPVC-U flexible pipe.
In the embodiment, a preformed hole for inserting the end part of the HPVC-U flexible pipe 1 is formed in the side wall of the inspection well 1, a beam frame 6 matched with the preformed hole is installed in the preformed hole in a matched mode, and the beam frame 6 is sleeved outside the end part of the HPVC-U flexible pipe 2.
In the embodiment, the concrete 5 encapsulated by the concrete is filled into the gap between the beam frame 6 and the HPVC-U flexible pipe 2, and a polyurethane waterproof coating layer is further coated in the inspection well 1.
In the present embodiment, the concrete 5 is C20 fine-grained concrete. The minimum thickness between the concrete envelope and the flexible tube of HPVC-U is greater than 200 mm. The width of the brick moulding bed 4 is 120 mm. The pad 3 was a 100mm thick pad of C15.
The invention also provides a construction method of the combination device of the HPVC-U flexible pipe and the concrete inspection well, which comprises the following steps:
s1: carefully checking whether the HPVC-U flexible pipe 2 is damaged or not in the processes of loading, unloading, transporting and stacking, and if defects such as breakage, crack, deformation and the like are found, removing the defects;
s2: the connection between the HPVC-U flexible pipe 2 and the inspection well 1 is constructed according to a design drawing;
s3: the HPVC-U flexible pipe 2 is connected with a brick-built or concrete-cast inspection well 1, and an intermediate layer method can be adopted, namely, a polyvinyl chloride adhesive and coarse sand are used in advance to form an intermediate layer on the outer surface of the joint part of the HPVC-U flexible pipe 2 and the well wall, and then cement mortar is used for building the well wall of the inspection well 1;
s4: when the HPVC-U flexible pipe 2 is flexibly connected with the inspection well 1, a precast concrete lantern ring and a rubber sealing joint can be used;
s5, the reserved aperture of the connection between the inspection well 1 and the HPVC-U flexible pipe 2 is larger than the outer diameter of the pipe or the pipe fitting by 0.2m, and the circumferential surface of the reserved aperture is roughened before installation;
s6: the sand cushion layer 3 on the bottom plate base of the inspection well 1 is gently connected with the pipeline foundation layer.
In addition, the invention is characterized in that:
1. the HPVC-U construction section pipes are covered in time, because chemical pipes are easy to expand with heat and contract with cold, particularly in summer, because the chemical pipes are hot in weather, and crack phenomena are easy to occur at joints after concrete pouring, the chemical pipes are covered in time, the pipes are really simple, the pipes are covered by medium coarse sand about 10cm according to design requirements in time, the pipes can be protected, the maintenance effect is achieved, when the weather is hot, water can be sprayed for maintenance, but the water quantity cannot be too large, so that the pipe ditch foundation is not damaged, and the bearing capacity of the foundation is not damaged;
2. the concrete encapsulation of the joint of the HPV-U and the concrete module well is also the key point of the technology, the encapsulated concrete adopts fine aggregate concrete, the construction mix proportion is strictly controlled, the excessive hydration heat of the concrete is avoided, the cement adopts common silicate concrete, the template adopts a brick moulding bed and adopts 360-degree encapsulation, the original design adopts 180-degree encapsulation, the water leakage problem can be solved by adopting 50cm in length, the concrete material is saved compared with the original design, but the water leakage problem is solved, after the concrete pouring is finished, the concrete should be covered with water for maintenance in time, and the phenomena of cracking and water leakage can also occur when the concrete is not maintained in time;
3. the polyurethane waterproof coating is a mature construction process and is widely applied to room water leakage repair, roof water leakage repair and outer wall water seepage phenomena, and is also widely applied to sewer well maintenance.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (9)
- The device for combining the HPVC-U flexible pipe with the concrete inspection well is characterized by comprising the inspection well (1) and an HPVC-U flexible pipe (2) penetrating through the side wall of the inspection well, wherein a concrete envelope is sleeved outside the end part of the HPVC-U flexible pipe (2), and the concrete envelope is arranged on the outer side wall of the inspection well (1).
- 2. The device for combining the HPVC-U flexible pipe with the concrete inspection well is characterized in that the concrete is packaged into a cuboid structure and comprises a cushion layer (3) horizontally arranged below an HPVC-U flexible pipe (2), two brick bed moulds (4) are arranged on the cushion layer (3), the two brick bed moulds (4) are symmetrically arranged at two sides of the HPVC-U flexible pipe (2), the brick bed moulds (4) are connected with the outer side wall of the inspection well (1), concrete (5) is filled between the two brick bed moulds (4), and the concrete (5) is tightly wrapped outside the HPVC-U flexible pipe.
- 3. The device for combining the HPVC-U flexible pipe with the concrete inspection well as recited in claim 2, wherein a preformed hole for inserting the end of the HPVC-U flexible pipe (1) is formed in the side wall of the inspection well (1), a beam frame (6) matched with the preformed hole is installed in the preformed hole in a matching manner, and the beam frame (6) is sleeved outside the end of the HPVC-U flexible pipe (2).
- 4. The device for combining the HPVC-U flexible pipe and the concrete inspection well is characterized in that the concrete (5) encapsulated by the concrete is filled into a gap between a beam frame (6) and the HPVC-U flexible pipe (2), and a polyurethane waterproof coating layer is further painted in the inspection well (1).
- 5. Device for joining an HPVC-U flexible pipe to a concrete manhole according to claim 2, characterised in that said concrete (5) is C20 fine stone concrete.
- 6. The HPVC-U flexible tubing and concrete manhole combination according to claim 2, wherein the minimum thickness between the concrete envelope and the HPVC-U flexible pipe is greater than 200 mm.
- 7. Device for joining an HPVC-U flexible pipe material to a concrete manhole according to claim 2, wherein the width of the membrane (4) is 120 mm.
- 8. Device according to claim 2, characterized in that said bedding (3) is a C15 bedding of 100mm thickness.
- 9. The construction method of the combination device according to any one of claims 1 to 8, characterized by comprising the following steps:s1: carefully checking whether the HPVC-U flexible pipe (2) is damaged or not in the processes of loading, unloading, transporting and stacking, and if defects such as breakage, crack, deformation and the like are found, removing the defects;s2: the connection between the HPVC-U flexible pipe (2) and the inspection well (1) is constructed according to a design drawing;s3: the HPVC-U flexible pipe (2) is connected with a brick-laid or concrete-cast inspection well (1), and an intermediate layer manufacturing method can be adopted, namely, a polyvinyl chloride adhesive and coarse sand are used in advance for manufacturing an intermediate layer on the outer surface of the joint part of the HPVC-U flexible pipe (2) and the well wall, and then cement mortar is used for building the well wall of the inspection well (1);s4: when the HPVC-U flexible pipe (2) is flexibly connected with the inspection well (1), a precast concrete lantern ring and a rubber sealing joint can be used;s5, the reserved aperture of the connection between the inspection well (1) and the HPVC-U flexible pipe (2) is larger than the outer diameter of the pipe or the pipe fitting by 0.2m, and the circumferential surface of the reserved aperture is roughened before installation;s6: the sand-rock cushion layer (3) of the bottom plate base of the inspection well (1) is gently connected with the pipeline foundation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076742.7A CN114293591A (en) | 2022-01-24 | 2022-01-24 | Combination device of HPVC-U flexible pipe and concrete inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210076742.7A CN114293591A (en) | 2022-01-24 | 2022-01-24 | Combination device of HPVC-U flexible pipe and concrete inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114293591A true CN114293591A (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210076742.7A Pending CN114293591A (en) | 2022-01-24 | 2022-01-24 | Combination device of HPVC-U flexible pipe and concrete inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114293591A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546500Y (en) * | 2002-04-17 | 2003-04-23 | 北京市市政工程研究院 | Precast assembling concrete manhole |
| JP2009114771A (en) * | 2007-11-08 | 2009-05-28 | Sanritsu:Kk | Earthquakeproof flexible joint |
| CN211312769U (en) * | 2019-09-12 | 2020-08-21 | 中国水利水电第十四工程局有限公司 | Connecting member of plastic pipe and concrete prefabricated inspection well |
| CN113293802A (en) * | 2021-06-29 | 2021-08-24 | 中建三局集团有限公司 | Construction method of inspection well |
-
2022
- 2022-01-24 CN CN202210076742.7A patent/CN114293591A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2546500Y (en) * | 2002-04-17 | 2003-04-23 | 北京市市政工程研究院 | Precast assembling concrete manhole |
| JP2009114771A (en) * | 2007-11-08 | 2009-05-28 | Sanritsu:Kk | Earthquakeproof flexible joint |
| CN211312769U (en) * | 2019-09-12 | 2020-08-21 | 中国水利水电第十四工程局有限公司 | Connecting member of plastic pipe and concrete prefabricated inspection well |
| CN113293802A (en) * | 2021-06-29 | 2021-08-24 | 中建三局集团有限公司 | Construction method of inspection well |
Non-Patent Citations (2)
| Title |
|---|
| 丁绍兰，马飞编著: "《革制品材料学》", 中国轻工业出版社 * |
| 王水华等: "一种随路基沉降式检查井井盖及支座安装方法介绍", 《特种结构》 * |
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Application publication date: 20220408 |