CN116695851A - Sealed inspection well and construction method - Google Patents
Sealed inspection well and construction method Download PDFInfo
- Publication number
- CN116695851A CN116695851A CN202310884403.6A CN202310884403A CN116695851A CN 116695851 A CN116695851 A CN 116695851A CN 202310884403 A CN202310884403 A CN 202310884403A CN 116695851 A CN116695851 A CN 116695851A
- Authority
- CN
- China
- Prior art keywords
- shaft
- layer
- sealed
- installation cavity
- sealed manhole
- 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
- 238000007689 inspection Methods 0.000 title abstract description 24
- 238000010276 construction Methods 0.000 title abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 7
- 208000015181 infectious disease Diseases 0.000 description 5
- 230000002458 infectious effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
- E03F5/021—Connection of sewer pipes to manhole shaft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
Abstract
The invention relates to the technical field of building construction and discloses a sealed inspection well and a construction method, wherein the sealed inspection well comprises a shaft vertically embedded in a backfill layer, the lower opening of the shaft is communicated with a drainage pipeline, the upper opening of the shaft is provided with a detachable sealing film, a roadbed layer is arranged above the backfill layer, a bearing ring coaxially arranged with the shaft is embedded in the roadbed layer, an installation cavity coaxial with the bearing ring is formed in the roadbed layer, the installation cavity is communicated with the shaft, and a detachable well cover is hermetically arranged in the installation cavity. The beneficial effects of the invention are as follows: the sealing effect is good, overhauls conveniently, has improved the efficiency of construction.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a sealed inspection well and a construction method.
Background
At present, in order to prevent infectious sewage and harmful gas in the sewage pipe network from overflowing, outdoor drainage inspection well should adopt sealed well lid, in the prior art, in order to strengthen sealedly, inspection well lid is generally made double-deck, wherein, a layer of well lid is directly covered and is established on the pit shaft, sealed pit shaft, another layer of well lid and road surface are sealed and are installed, it is higher to the installation accuracy requirement of pit shaft and well lid, installation effectiveness is low, for cutting off the intercommunication between pollution source and the atmospheric environment simultaneously, the junction of well lid and road surface can carry out sealing treatment, need destroy the road bed when overhauling the inspection well, overhaul inconvenience, simultaneously, because outdoor environment is complicated, the well lid takes place the corrosion easily, the sealed effect that leads to the inspection well is relatively poor, easily lead to infectious sewage and harmful gas to overflow, harm public health.
Disclosure of Invention
The invention aims to provide a sealed inspection well, which aims to solve the technical problems of inconvenient inspection well maintenance, poor sealing effect and infectious sewage and harmful gas overflow in the prior art.
In order to achieve the above purpose, the invention provides a shaft which comprises a shaft vertically embedded in a backfill layer, wherein the lower opening of the shaft is communicated with a drainage pipeline, the upper opening of the shaft is provided with a detachable sealing film, a roadbed layer is arranged above the backfill layer, a bearing ring coaxially arranged with the shaft is embedded in the roadbed layer, an installation cavity coaxially arranged with the bearing ring is arranged on the roadbed layer, the installation cavity is communicated with the shaft, and a detachable well cover is hermetically arranged in the installation cavity.
Further, the outer wall of the shaft is sleeved with threads, and the threads are used for fixing the sealing film.
Still further, well lid bottom is equipped with annular bulge, annular bulge's outer wall with the inner wall of installation cavity the inner wall laminating of holding the ring.
Further, a base layer is arranged below the drainage pipeline.
Furthermore, the annular ribs are embedded in the bearing ring.
Still further, the top surface of the well cover is flush with the top surface of the roadbed layer, and the top surface of the upper opening of the shaft is higher than the top surface of the backfill layer.
Still further, the screw thread comprises a first arc clamping part and a second arc clamping part, and the first arc clamping part is connected with the second arc clamping part through a bolt.
Still further, the sealing film is a thermoplastic film.
Further, the lower port of the well bore and the drainage pipeline are communicated through a tee joint.
The invention also provides a construction method of the sealed inspection well, which comprises the following steps:
s1, arranging a drainage pipeline, and vertically arranging a shaft to be communicated with the drainage pipeline;
s2, paving a backfill layer in the circumferential direction of the shaft;
s3, sealing an upper opening of the shaft by adopting a sealing film;
s4, coaxially arranging the support ring and the shaft, and casting the road base layer;
s5, installing the well lid after the roadbed layer is solidified.
Compared with the prior art, the sealed inspection well has the beneficial effects that: the detachable sealing film is arranged at the upper opening of the shaft, has good sealing effect on the shaft, can not be corroded, has good sealing performance, avoids the overflow of infectious sewage and harmful gas, reduces the required installation precision during shaft sealing, and improves the installation efficiency; in addition, a detachable well cover is arranged in the roadbed layer, and a double-layer seal is formed between the well cover and the sealing film, so that the sealing film replaces a layer of well cover, the construction cost is reduced, and the maintenance is convenient; moreover, the pressure bearing ring is arranged to support the manhole cover, so that the stability of the manhole structure is improved; in addition, the sealing film can be fixed by adopting screw threads, so that the disassembly and assembly are convenient, and the overhaul efficiency is improved. The construction method of the sealed inspection well provided by the invention has the advantages of simple working procedures, good sealing performance of the inspection well and improved construction efficiency.
Drawings
FIG. 1 is a schematic view of a sealed manhole in accordance with an embodiment of the present invention;
fig. 2 is a flow chart of a method of constructing a sealed manhole in accordance with an embodiment of the present invention.
In the figure, 1, backfill layer; 2. a wellbore; 3. a drainage pipe; 4. a sealing film; 5. a road base layer; 6. a bearing ring; 61. a ring rib; 7. a well cover; 71. an annular protrusion; 8. threading; 9. a tee joint; 10. a base layer.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. in the present invention are based on the positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices and elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1, a sealed inspection well according to a preferred embodiment of the present invention includes a shaft 2 vertically embedded in a backfill layer 1, wherein a filling material adopted by the backfill layer 1 is coarse sand or stone dust, and can support the side wall of the shaft 2 in an auxiliary manner; the lower opening of the shaft 2 is communicated with a drainage pipeline 3, and the drainage pipeline 3 is communicated with a sewage pipe network; in the prior art, a double-layer well lid is generally adopted, wherein one layer of well lid is directly covered on a well bore to seal the well bore, the other layer of well lid and a road surface are used for sealing and installing, and the requirement on the installation precision of the well bore and the well lid is higher; in order to promote inspection shaft overall structure's stability, strengthen the support to the well lid, be equipped with road bed layer 5 in backfill layer 1 top, road bed layer 5 is embedded to be equipped with the coaxial bearing ring 6 of arranging of pit shaft 2, set up on the road bed layer 5 with the coaxial installation cavity 51 of bearing ring 6, installation cavity 51 and pit shaft 2 intercommunication, the installation cavity 51 is sealed to be equipped with detachable well lid 7, well lid 7 is located directly over the bearing ring 6.
In order to realize quick disassembly of the sealing film 4, in the embodiment, the sealing film 4 is fixed by adopting a screw thread, the screw thread 8 is sleeved on the outer wall of the shaft 2, the screw thread 8 is used for fixing the sealing film 4, the screw thread 8 is a standard component, the structure of the screw thread is similar to a hoop, specifically, the screw thread 8 comprises a first arc clamping part and a second arc clamping part, the first arc clamping part and the second arc clamping part are connected through bolts, the sealing film 4 is extruded and fixed by matching the first arc clamping part and the second arc clamping part, and the upper opening of the shaft 2 is sealed.
In order to facilitate positioning during installation of the well cover 7 and the roadbed layer, the sealing effect of the well cover 7 and the roadbed layer 5 is improved simultaneously, an annular protrusion 71 is arranged at the bottom of the well cover 7, and the outer wall of the annular protrusion 71 is attached to the inner wall of the installation cavity 51 and the inner wall of the bearing ring 6.
Further, in order to improve the overall installation strength of the inspection well, a base layer 10 is arranged below the drainage pipeline 3, and the base layer 10 is generally tamped by adopting crushed sand, so that the construction thickness is not less than 300mm.
In order to further improve the structural strength of the bearing ring 6, in this embodiment, the bearing ring 6 is a prefabricated concrete adjusting ring, and the annular ribs 61 are embedded in the bearing ring 6, and the number of the annular ribs 61 can be adjusted according to the specific supporting strength, in this embodiment, 2 strips are preferable.
In order to avoid that the well cover 7 affects the normal traffic of pedestrians or vehicles on the road surface, the top surface of the well cover 7 is flush with the top surface of the roadbed layer 5, and in order to facilitate the installation of the sealing film 4 and the screw threads 8, in this embodiment, the top surface of the upper opening of the shaft 2 is higher than the top surface of the backfill layer 1.
To facilitate communication between the well bore 2 and the drainage pipe, in this embodiment the lower port of the well bore 2 and the drainage pipe 3 are in communication via a tee 9.
According to the invention, when the sealed inspection well provided by the invention is overhauled, the well cover 7 is disassembled firstly, and then the sealing film 4 is disassembled for overhauling, so that the structure is simple, the disassembly and assembly are convenient, the sealing film 4 is made of flexible materials, the well shaft 2 can be completely sealed, meanwhile, rust is not easy to occur, the weight is light, the overhauling difficulty of workers is reduced, and the overhauling efficiency is improved.
The invention also provides a construction method of the sealed inspection well, which is used for constructing the sealed inspection well, has simple working procedures and improves the construction efficiency, and comprises the following steps:
s1, arranging a drainage pipeline, and vertically arranging a shaft to be communicated with the drainage pipeline;
s2, paving a backfill layer in the circumferential direction of the shaft;
s3, sealing an upper opening of the shaft by adopting a sealing film;
s4, coaxially arranging the support ring and the shaft, and casting the road base layer;
s5, installing the well lid after the roadbed layer is solidified.
Further, in order to increase the overall strength of the manhole structure, a base layer may be provided before the drainage pipe is installed.
In summary, the embodiment of the invention provides a sealed inspection well, wherein a detachable sealing film is arranged at the upper opening of a shaft, the sealing film has good sealing effect on the shaft, corrosion can not occur, the sealing performance is good, infectious sewage and harmful gas are prevented from overflowing, meanwhile, the required installation precision during shaft sealing is reduced, and the installation efficiency is improved; in addition, a detachable well cover is arranged in the roadbed layer, and a double-layer seal is formed between the well cover and the sealing film, so that the sealing film replaces a layer of well cover, the construction cost is reduced, and the maintenance is convenient; moreover, the pressure bearing ring is arranged to support the manhole cover, so that the stability of the manhole structure is improved; in addition, the sealing film can be fixed by adopting screw threads, so that the disassembly and assembly are convenient, and the overhaul efficiency is improved. The construction method of the sealed inspection well provided by the invention has the advantages of simple working procedures, good sealing performance of the inspection well and improved construction efficiency.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (10)
1. A sealed manhole, characterized in that: including vertical pit shaft (2) of inlaying in backfill layer (1), the lower mouth and the drainage pipe (3) intercommunication of pit shaft (2), the upper mouth of pit shaft (2) is equipped with detachable sealing membrane (4), backfill layer (1) top is equipped with road bed layer (5), road bed layer (5) embedded be equipped with pit shaft (2) coaxial arrangement's pressure-bearing ring (6), set up on road bed layer (5) with pressure-bearing ring (6) coaxial installation cavity (51), installation cavity (51) with pit shaft (2) intercommunication, just installation cavity (51) internal seal is equipped with detachable well lid (7).
2. The sealed manhole as claimed in claim 1, wherein: the outer wall of the shaft (2) is sleeved with a screw thread (8), and the screw thread (8) is used for fixing the sealing film (4).
3. The sealed manhole as claimed in claim 1, wherein: the well lid (7) bottom is equipped with annular protruding (71), the outer wall of annular protruding (71) with the inner wall of installation cavity (51) the laminating of the inner wall of holding ring (6).
4. The sealed manhole as claimed in claim 1, wherein: a base layer (10) is arranged below the drainage pipeline (3).
5. The sealed manhole as claimed in claim 1, wherein: annular ribs (61) are embedded in the bearing ring (6).
6. The sealed manhole as claimed in claim 1, wherein: the top surface of the well cover (7) is flush with the top surface of the roadbed layer (5), and the top surface of the upper opening of the shaft (2) is higher than the top surface of the backfill layer (1).
7. The sealed manhole as claimed in claim 2, wherein: the screw thread (8) comprises a first arc-shaped clamping part and a second arc-shaped clamping part, and the first arc-shaped clamping part is connected with the second arc-shaped clamping part through a bolt.
8. The sealed manhole as claimed in claim 1, wherein: the sealing film (4) is a thermoplastic film.
9. The sealed manhole as claimed in claim 1, wherein: the lower opening of the shaft (2) is communicated with the drainage pipeline (3) through a tee joint (9).
10. A method of constructing a sealed manhole as claimed in any one of claims 1 to 9, comprising the steps of:
s1, arranging a drainage pipeline, and vertically arranging a shaft to be communicated with the drainage pipeline;
s2, paving a backfill layer in the circumferential direction of the shaft;
s3, sealing an upper opening of the shaft by adopting a sealing film;
s4, coaxially arranging the support ring and the shaft, and casting the road base layer;
s5, installing the well lid after the roadbed layer is solidified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310884403.6A CN116695851A (en) | 2023-07-18 | 2023-07-18 | Sealed inspection well and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310884403.6A CN116695851A (en) | 2023-07-18 | 2023-07-18 | Sealed inspection well and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116695851A true CN116695851A (en) | 2023-09-05 |
Family
ID=87829513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310884403.6A Pending CN116695851A (en) | 2023-07-18 | 2023-07-18 | Sealed inspection well and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116695851A (en) |
-
2023
- 2023-07-18 CN CN202310884403.6A patent/CN116695851A/en active Pending
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