CN112726784B - Full-prefabricated PC sewer inspection well component assembly structure and construction method - Google Patents
Full-prefabricated PC sewer inspection well component assembly structure and construction method Download PDFInfo
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- CN112726784B CN112726784B CN202011595808.0A CN202011595808A CN112726784B CN 112726784 B CN112726784 B CN 112726784B CN 202011595808 A CN202011595808 A CN 202011595808A CN 112726784 B CN112726784 B CN 112726784B
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- Prior art keywords
- lower shaft
- shaft
- well
- hole
- stainless steel
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- 238000007689 inspection Methods 0.000 title claims abstract description 36
- 238000010276 construction Methods 0.000 title description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 38
- 239000010935 stainless steel Substances 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000004567 concrete Substances 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- 239000004927 clay Substances 0.000 description 7
- 239000011449 brick Substances 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 3
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000282821 Hippopotamus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E03F5/027—The bottom made of prefabricated segments
-
- 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
- E03F2005/028—Sealing joints between manhole segments
-
- 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
Abstract
The invention discloses a fully prefabricated PC sewer inspection well component assembly structure, which belongs to the field of inspection wells and comprises a lower shaft arranged at the bottom of a pit, wherein the side wall of the upper end of the lower shaft is provided with mounting through holes penetrating through the two side walls of the lower shaft, and the axis of each mounting through hole passes through the diameter of the lower shaft; a stainless steel ring is arranged at the position of the mounting through hole, which is positioned on the side wall of the lower shaft, and the stainless steel ring and the lower shaft are integrally poured and fixed; when the stainless steel ring is installed, a rotating shaft is arranged in the stainless steel ring, and two ends of the rotating shaft are respectively connected in the two stainless steel rings in the side wall of the lower shaft in a rotating way; and a grouting through hole is formed in the bottom of the lower shaft. The vertical position can be found by utilizing self gravity through the free rotation of the lower shaft when the lower shaft is hoisted, and then the bottom surface is filled flat through the grouting through hole, so that the lower shaft is good in installation verticality, and the well cover on the top surface cannot incline.
Description
Technical Field
The invention relates to the field of inspection wells, in particular to an assembled structure of a fully prefabricated PC sewer inspection well component and a construction method.
Background
Municipal works underground pipe networks are numerous, the drainage pipe network is the pulse of the municipal works underground pipe network, and the drainage inspection well is a window of the drainage pipe network. The pipeline system is communicated with the ground, and plays roles of overhauling pipelines, removing sludge and connecting pipelines with different heights in different directions. In practical engineering, the types of inspection wells are many, such as solid clay brick inspection wells, plastic inspection wells, cast-in-situ reinforced concrete inspection wells and the like. The first prior art is: traditional municipal pipeline inspection well construction adopts the mode of solid clay brick construction and cement plastering in many cases. The above prior art has at least the following disadvantages: the solid clay brick inspection well has low strength, high water permeability and uncompacted mortar among gaps, and can easily cause integral sinking of the well body and sedimentation of peripheral pavement even pollute groundwater resources after being used for a period of time and loose in the skin. Moreover, as the raw material of the clay brick is sandy clay, a large amount of cultivated land resources are occupied and wasted during sintering. And the second prior art is as follows: enterprises specialized as plastic inspection wells are already in the domestic market at present. More common are Ruipu plastic inspection wells, hippopotamus plastic inspection wells, yatai plastic inspection wells and the like. The second prior art has at least the following disadvantages: plastic inspection wells naturally have many of their own advantages, but also have their inevitable drawbacks. First, plastic inspection wells are limited in diameter (typically less than lin), low in strength, and relatively large in road-to-vehicle loads. In addition, the base of the plastic inspection well is troublesome to handle, and the problem of well shaft inclination easily occurs in the backfilling process, so that repeated construction is brought, and uncontrollable cost is increased. The third prior art is: concrete block type inspection wells are generally considered as ideal substitutes for clay bricks and are currently used as a relatively large number of inspection well materials. The third prior art has at least the following disadvantages: although the concrete block is used for replacing clay bricks, the construction of the concrete block still needs on-site wet operation, has long construction period, can not completely get rid of the condition of long-time on-site airing, and is not suitable for quick construction of pipelines. The concrete block type inspection well has smaller inner diameter (about 1 m), poor anti-seismic and anti-seepage effects, and great differences exist due to different material sources, external dimensions and production processes. The prior art is four: the cast-in-situ reinforced concrete inspection well has the advantages of good stability, high strength and ideal tightness. The fourth prior art has at least the following disadvantages: the cast-in-situ reinforced concrete inspection well has long construction period, large difficulty, complex process, large number of casting templates required on site, large risk of deep well operation and no compliance with the requirement of short construction period of the actual municipal inspection well.
The straightness inconvenient control of straightness is hanged down when the installation to current prefabricated inspection shaft, especially multistage superimposed prefabricated inspection shaft, and when the slope of the one section of installation of the bottommost, under accumulated error, can lead to upper segment part to interfere seriously, the inspection shaft easily ftractures, and the well lid at top easily produces the slope simultaneously to cause ground unevenness.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide an assembled structure of a fully prefabricated PC sewer manhole component and a construction method, which can conveniently control the vertical installation of the prefabricated manhole and is convenient to install.
To achieve the purpose, the invention adopts the following technical scheme:
the invention provides an assembled structure of a fully prefabricated PC sewer inspection well component, which comprises a lower shaft arranged at the bottom of a well pit, wherein the side wall of the upper end of the lower shaft is provided with mounting through holes penetrating through the two side walls of the lower shaft, and the axis of each mounting through hole passes through the diameter of the lower shaft; the stainless steel ring is arranged at the position of the mounting through hole, which is positioned on the side wall of the lower shaft, and the stainless steel ring and the lower shaft are integrally poured and fixed; when the stainless steel ring is installed, a rotating shaft is arranged in the stainless steel ring, and two ends of the rotating shaft are respectively connected in the two stainless steel rings in the side wall of the lower shaft in a rotating manner; and a grouting through hole is formed in the bottom of the lower shaft.
The preferable technical scheme of the invention is that the center of the installation through hole is 15cm-30cm away from the upper end face of the lower shaft, the diameter of the installation through hole is 2cm-6cm, and the wall thickness of the stainless steel ring is 3mm-7 mm.
The invention has the preferable technical scheme that the invention also comprises a connecting end cover and a top cover plate; the well cover is characterized in that a convex rib is arranged at the edge of the upper end of the lower shaft, a rib groove matched with the convex rib is formed in the lower end of the connecting end cover, the connecting end cover is clamped above the lower shaft, a well cover barrel is arranged at the top of the connecting end cover, and the top cover plate is pressed and connected to the top of the well cover barrel.
The well body adjusting cylinder is clamped between the lower well shaft and the connecting end cover, one end of the well body adjusting cylinder is provided with a prismatic groove matched with the lower well shaft, and the other end of the well body adjusting cylinder is provided with a convex rib matched with the connecting end cover; the well lid adjusting cylinder is clamped between the top cover plate and the connecting end cover.
The preferable technical scheme of the invention is that the edge of the grouting through hole is provided with an annular boss which is higher than the inner bottom surface of the lower shaft.
The invention has the preferable technical scheme that a fixing pile is arranged in the grouting through hole, the tip end of the fixing pile penetrates through the grouting through hole and is inserted into the bottom of the pit, and the other end of the fixing pile is provided with a limiting table which is propped against the annular boss when the fixing pile is installed in place.
The preferable technical scheme of the invention is that a sealing ring is arranged between the limiting table and the annular boss.
A construction method using an all-prefabricated PC sewer manhole component fabricated structure, comprising the steps of S00: digging a pit according to the designed size, inserting the rotating shaft into the stainless steel ring, fixing the rotating shaft on the rotating shaft through hoisting equipment, and putting the lower shaft into the pit; step S10: placing plumb lines or a level gauge on the rotating shaft, and observing the inclination degree after the lower shaft is placed at the bottom; step S20: applying extrusion force downwards to the position of the lower shaft bulge so as to reduce the inclination degree; then slowly hoisting the lower shaft until the lower shaft is in a vertical state; step S30: and injecting quick-drying concrete to the bottom of the lower shaft through the grouting through hole, so that the lower shaft is in a vertical state.
The beneficial effects of the invention are as follows:
the invention provides an assembled structure of a fully prefabricated PC sewer inspection well component, which comprises a lower shaft arranged at the bottom of a well pit, wherein the side wall of the upper end of the lower shaft is provided with mounting through holes penetrating through the two side walls of the lower shaft, and the axis of each mounting through hole passes through the diameter of the lower shaft; the stainless steel ring is arranged at the position of the mounting through hole, which is positioned on the side wall of the lower shaft, and the stainless steel ring and the lower shaft are integrally poured and fixed; when the stainless steel ring is installed, a rotating shaft is arranged in the stainless steel ring, and two ends of the rotating shaft are respectively connected in the two stainless steel rings in the side wall of the lower shaft in a rotating manner; and a grouting through hole is formed in the bottom of the lower shaft. The vertical position can be found by utilizing self gravity through the free rotation of the lower shaft when the lower shaft is hoisted, and then the bottom surface is filled flat through the grouting through hole, so that the lower shaft is good in installation verticality, and the well cover on the top surface cannot incline.
Drawings
FIG. 1 is a schematic view of the overall structure of an assembled structure of fully prefabricated PC sewer manhole components provided in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 provided in an embodiment of the present invention;
in the figure:
1. descending a shaft; 2. fixing piles; 3. a seal ring; 4. a well bore adjustment barrel; 5. connecting an end cover; 6. a well lid adjusting cylinder; 7. a top cover plate; 8. a stainless steel ring; 9. a rotating shaft; 11. an annular boss; 12. grouting through holes; 13. a rib; 14. mounting through holes; 21. a limiting table; 51. and a well cover cylinder.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-2, the embodiment provides an assembled structure of an all-prefabricated PC sewer manhole component, which comprises a lower shaft 1 arranged at the bottom of a pit, wherein the side wall of the upper end of the lower shaft 1 is provided with mounting through holes 14 penetrating through the two side walls of the lower shaft 1, and the axis of the mounting through holes 14 passes through the diameter of the lower shaft 1; the stainless steel ring 8 is arranged at the position of the mounting through hole 14 positioned on the side wall of the lower shaft 1, and the stainless steel ring 8 and the lower shaft 1 are integrally poured and fixed; when in installation, the stainless steel rings 8 are provided with rotating shafts 9, and two ends of each rotating shaft 9 are respectively and rotatably connected with two stainless steel rings 8 in the side wall of the lower shaft 1; the bottom of the lower shaft 1 is provided with a grouting through hole 12. When prefabricating the lower shaft 1, the stainless steel rings 8 are fixed in position, the stainless steel rings 8 on two sides need to ensure good coaxiality and the same height, and then the stainless steel rings 8 are solidified together when pouring the lower shaft 1. The stainless steel ring 8 is arranged so as to better bear the local acting force exerted by the rotating shaft 9 and avoid the cracking of the lower shaft 1. The stainless steel ring 8 is installed at the upper end of the lower shaft 1 so that the lower end has a large weight when the rotation shaft 9 is inserted, thereby generating a large component force to drive the lower shaft 1 to rotate when it is inclined. So that the lower wellbore 1 can be in a more vertical state.
Preferably, the center of the installation hole 14 is 15cm-30cm away from the upper end surface of the lower shaft 1, and is too far down, so that the lower shaft 1 cannot generate enough component force to drive the lower shaft to rotate when being inclined, and is too far up, so that the lower shaft 1 is easy to crack at the position. The diameter of the mounting through hole 14 is 2-6cm, and the wall thickness of the stainless steel ring 8 is 3-7mm. The diameter of the lower shaft 1 needs to be ensured not to bend when the lower shaft 1 is lifted by the rotating shaft 9, and the rotating shaft 9 is preferably made of stainless steel, so that the lower shaft 1 can freely rotate.
Preferably, the device also comprises a connecting end cover 5 and a top cover plate 7; the edge of the upper end of the lower shaft 1 is provided with a convex rib 13, the lower end of the connecting end cover 5 is provided with a convex rib groove matched with the convex rib 13, the connecting end cover 5 is clamped above the lower shaft 1, the top of the connecting end cover 5 is provided with a well cover barrel 51, and the top cover plate 7 is pressed and connected to the top of the well cover barrel 51. The splice is convenient, the inspection well is arranged into a plurality of sections, and the installation and the manufacture are all convenient. Preferably, the well body adjusting device further comprises a well body adjusting cylinder 4 and a well cover adjusting cylinder 6, wherein the well body adjusting cylinder 4 is clamped between the lower well shaft 1 and the connecting end cover 5, one end of the well body adjusting cylinder 4 is provided with a prismatic groove matched with the lower well shaft 1, and the other end of the well body adjusting cylinder is provided with a convex rib 13 matched with the connecting end cover 5; the well lid adjusting cylinder 6 is clamped between the top cover plate 7 and the connecting end cover 5. The height of the detection well can be conveniently adjusted by the number of the well body adjusting cylinders 4 and the well cover adjusting cylinders 6, and the inspection well is suitable for inspection wells with different requirements.
Preferably, an annular boss 11 is arranged at the edge of the grouting through hole 12, and the annular boss 11 is higher than the inner bottom surface of the lower shaft 1. The annular boss 11 is arranged so that concrete does not overflow into the lower wellbore 1 when grouting through the grouting through hole 12 below the lower wellbore 1.
In order to stably control the inspection well not to incline after the installation is completed, a fixing pile 2 is arranged in the grouting through hole 12, the tip end of the fixing pile 2 penetrates through the grouting through hole 12 and is inserted into the bottom of the pit, a limiting table 21 is arranged at the other end of the fixing pile 2, and when the installation is in place, the limiting table 21 is propped against the annular boss 11. The diameter of the fixed pile 2 is the same as that of the grouting through hole 12, and the fixed pile 2 is inserted after grouting is completed, so that the cylindrical surface of the fixed pile 2 and the cylindrical surface of the grouting through hole 12 are limited, and the lower shaft 1 is controlled to be difficult to incline. When the bottom surface of the pit partially collapses, the lower shaft 1 can only move downwards in the vertical direction under the guiding action of the fixed piles 2, and no partial inclination is generated, so that the detection well is wholly stable after being installed. Preferably, a sealing ring 3 is disposed between the limiting table 21 and the annular boss 11. It is possible to avoid concrete entering the lower wellbore 1 when installing the fixing piles 2.
A construction method using an all-prefabricated PC sewer manhole component fabricated structure, comprising the steps of S00: digging a pit according to the design size, inserting a rotating shaft 9 into a stainless steel ring 8, fixing the rotating shaft 9 by hoisting equipment, and putting the lower shaft 1 into the pit; step S10: placing plumb lines or a level gauge on the rotating shaft 9, and observing the inclination degree after the lower shaft 1 is placed at the bottom; step S20: applying extrusion force downwards to the protruding position of the lower shaft 1, and reducing the inclination degree; then slowly hoisting the lower shaft 1 until the lower shaft is in a vertical state; during lifting, the lower shaft 1 is driven to rotate around the rotating shaft 9 due to the component force of its own weight, so that the lower shaft is in a vertical state in step S30: quick-drying concrete is injected into the bottom of the lower shaft 1 through the grouting through holes 12 so that the lower shaft 1 is in a vertical state.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The invention is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the invention as defined by the claims of the present application.
Claims (5)
1. A full prefabricated PC sewer inspection shaft component assembled structure which characterized in that:
the well pit comprises a lower shaft (1) arranged at the bottom of a well pit, wherein the side wall of the upper end of the lower shaft (1) is provided with mounting through holes (14) penetrating through the two side walls of the lower shaft (1), the axis of each mounting through hole (14) passes through the diameter of the lower shaft (1), the center of each mounting through hole (14) is 15cm-30cm away from the upper end face of the lower shaft (1), the diameter of each mounting through hole (14) is 2cm-6cm, and the wall thickness of each stainless steel ring (8) is 3mm-7mm;
the stainless steel ring (8) is arranged at the position of the mounting through hole (14) positioned on the side wall of the lower shaft (1), and the stainless steel ring (8) and the lower shaft (1) are integrally poured and fixed; during installation, rotating shafts (9) are arranged in the stainless steel rings (8), two ends of each rotating shaft (9) are respectively connected in two stainless steel rings (8) in the side wall of the lower shaft (1) in a rotating mode, and the arrangement of the stainless steel rings (8) can better bear local acting force exerted by the rotating shafts (9) to avoid cracking of the lower shaft (1); the stainless steel ring (8) is arranged at the upper end of the lower shaft (1), so that when the rotating shaft (9) is inserted, the lower end has larger weight, and larger component force can be generated to drive the lower shaft (1) to rotate when the lower shaft (1) is inclined, and the lower shaft (1) can be in a more vertical state;
the bottom of the lower shaft (1) is provided with a grouting through hole (12), the edge of the grouting through hole (12) is provided with an annular boss (11), the annular boss (11) is higher than the inner bottom surface of the lower shaft (1), a fixing pile (2) is arranged in the grouting through hole (12), the tip of the fixing pile (2) penetrates through the grouting through hole (12) to be inserted into the bottom of a pit, the other end of the fixing pile (2) is provided with a limiting table (21), when the fixing pile is installed in place, the limiting table (21) is propped against the annular boss (11), the diameter of the fixing pile (2) is the same as that of the grouting through hole (12), and the fixing pile (2) is inserted after grouting is completed, so that the cylindrical surface of the fixing pile (2) and the cylindrical surface of the grouting through hole (12) are limited, and the lower shaft (1) is controlled to be difficult to incline; when the bottom surface of the pit partially collapses, the lower shaft (1) can only move downwards in the vertical direction under the guiding action of the fixed piles (2), and no partial inclination is generated, so that the detection well is wholly stable after being installed.
2. The fully prefabricated PC sewer manhole component mounting structure of claim 1, wherein:
the device also comprises a connecting end cover (5) and a top cover plate (7); the well cover is characterized in that a rib (13) is arranged at the edge of the upper end of the lower shaft (1), a rib groove matched with the rib (13) is formed in the lower end of the connecting end cover (5), the connecting end cover (5) is clamped above the lower shaft (1), a well cover cylinder (51) is arranged at the top of the connecting end cover (5), and the top cover plate (7) is pressed and connected to the top of the well cover cylinder (51).
3. The fully prefabricated PC sewer manhole component mounting structure of claim 2, wherein:
the well body adjusting device comprises a well body adjusting cylinder (4) and a well cover adjusting cylinder (6), wherein the well body adjusting cylinder (4) is clamped between a lower well shaft (1) and a connecting end cover (5), one end of the well body adjusting cylinder (4) is provided with a prismatic groove matched with the lower well shaft (1), and the other end of the well body adjusting cylinder is provided with a protruding edge (13) matched with the connecting end cover (5); the well lid adjusting cylinder (6) is clamped between the top cover plate (7) and the connecting end cover (5).
4. The fully prefabricated PC sewer manhole component mounting structure of claim 1, wherein:
a sealing ring (3) is arranged between the limiting table (21) and the annular boss (11).
5. A method of constructing an assembled structure using the fully prefabricated PC sewer manhole component of claim 1, characterized by:
comprising the step S00: digging a pit according to the designed size, inserting a rotating shaft (9) into a stainless steel ring (8), fixing the rotating shaft (9) through hoisting equipment, and putting a lower shaft (1) into the pit;
step S10: placing plumb lines or a level gauge on the rotating shaft (9), and observing the inclination degree of the lower shaft (1) after being placed at the bottom;
step S20: applying extrusion force downwards at the protruding position of the lower shaft (1) to reduce the inclination degree; then slowly hoisting the lower shaft (1) until the lower shaft is in a vertical state;
step S30: injecting quick-drying concrete into the bottom of the lower shaft (1) through the grouting through hole (12) so that the lower shaft (1) is in a vertical state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595808.0A CN112726784B (en) | 2020-12-29 | 2020-12-29 | Full-prefabricated PC sewer inspection well component assembly structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011595808.0A CN112726784B (en) | 2020-12-29 | 2020-12-29 | Full-prefabricated PC sewer inspection well component assembly structure and construction method |
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| Publication Number | Publication Date |
|---|---|
| CN112726784A CN112726784A (en) | 2021-04-30 |
| CN112726784B true CN112726784B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011595808.0A Active CN112726784B (en) | 2020-12-29 | 2020-12-29 | Full-prefabricated PC sewer inspection well component assembly structure and construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN112726784B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445610A (en) * | 2021-08-05 | 2021-09-28 | 广东中都建筑集团有限公司 | Integrated rapid refitting construction device for road overhaul inspection well and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29610934U1 (en) * | 1996-06-21 | 1996-08-08 | Kwade Betonwerk Gmbh & Co Kg | Sewerage shaft |
| CN201567585U (en) * | 2009-07-10 | 2010-09-01 | 浙江双环塑胶阀门有限公司 | Plastic inspection well capable of adjusting height of integral well |
| CN102817375A (en) * | 2012-08-27 | 2012-12-12 | 安徽建川市政工程有限公司 | Assembly type precast reinforced concrete inspection well system |
| CN206693272U (en) * | 2017-02-05 | 2017-12-01 | 李磊 | Control the shaft bottom structure of inspection shaft sedimentation |
| CN108867844A (en) * | 2018-07-25 | 2018-11-23 | 安徽建川市政工程有限公司 | Combined-type sewage well prefabricated component |
| CN109440903A (en) * | 2018-11-28 | 2019-03-08 | 福建建中建设科技股份有限公司 | A kind of prefabricated concrete inspection well and its construction method |
| CN109778992A (en) * | 2019-02-02 | 2019-05-21 | 上海城建水务工程有限公司 | A kind of ride well device and its construction method for pipeline construction |
| CN210558914U (en) * | 2019-08-24 | 2020-05-19 | 唐山市丰南区利源水泥制品有限公司 | Inspection shaft hoisting assembly |
-
2020
- 2020-12-29 CN CN202011595808.0A patent/CN112726784B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29610934U1 (en) * | 1996-06-21 | 1996-08-08 | Kwade Betonwerk Gmbh & Co Kg | Sewerage shaft |
| CN201567585U (en) * | 2009-07-10 | 2010-09-01 | 浙江双环塑胶阀门有限公司 | Plastic inspection well capable of adjusting height of integral well |
| CN102817375A (en) * | 2012-08-27 | 2012-12-12 | 安徽建川市政工程有限公司 | Assembly type precast reinforced concrete inspection well system |
| CN206693272U (en) * | 2017-02-05 | 2017-12-01 | 李磊 | Control the shaft bottom structure of inspection shaft sedimentation |
| CN108867844A (en) * | 2018-07-25 | 2018-11-23 | 安徽建川市政工程有限公司 | Combined-type sewage well prefabricated component |
| CN109440903A (en) * | 2018-11-28 | 2019-03-08 | 福建建中建设科技股份有限公司 | A kind of prefabricated concrete inspection well and its construction method |
| CN109778992A (en) * | 2019-02-02 | 2019-05-21 | 上海城建水务工程有限公司 | A kind of ride well device and its construction method for pipeline construction |
| CN210558914U (en) * | 2019-08-24 | 2020-05-19 | 唐山市丰南区利源水泥制品有限公司 | Inspection shaft hoisting assembly |
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| Publication number | Publication date |
|---|---|
| CN112726784A (en) | 2021-04-30 |
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