CN114809055A - Prefabricated spliced open caisson structure and construction method - Google Patents
Prefabricated spliced open caisson structure and construction method Download PDFInfo
- Publication number
- CN114809055A CN114809055A CN202210576994.6A CN202210576994A CN114809055A CN 114809055 A CN114809055 A CN 114809055A CN 202210576994 A CN202210576994 A CN 202210576994A CN 114809055 A CN114809055 A CN 114809055A
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- well body
- open caisson
- pipe
- reinforcing pipe
- reinforcing
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 57
- 239000002689 soil Substances 0.000 claims abstract description 20
- 239000011440 grout Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 238000007569 slipcasting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D23/00—Caissons; Construction or placing of caissons
- E02D23/08—Lowering or sinking caissons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The application discloses a prefabricated spliced open caisson structure and a construction method, which relate to the field of open caisson construction and comprise a well body, wherein a reinforcing pipe is connected in the side wall of the well body in a sliding manner, and the reinforcing pipe slides to partially extend out of the side wall of the well body; still including being used for the drive strengthen the pipe part and stretch out the driving piece of well body lateral wall, this application is through the setting of reinforced pipe, after sinking to the design elevation at the well body, stretches out well body lateral wall through driving piece drive strengthen pipe part and inserts in the soil layer to can strengthen the stability of the well body, reduce the open caisson construction and accomplish the back and continue sunken possibility, avoid influencing follow-up construction.
Description
Technical Field
The application relates to the field of open caisson construction, in particular to a prefabricated spliced open caisson structure and a construction method.
Background
The open caisson is a well cylindrical structure, and is a foundation for bridge abutment or other structures by digging soil in the well, overcoming the frictional resistance of the well wall by means of the self gravity, sinking to a designed elevation, sealing the bottom by concrete and filling the well hole.
In the related technology, during open caisson construction, a pre-fabricated open caisson is used as a support of a well wall, soil is dug in the open caisson by machinery and manpower under the protection of the open caisson wall, and the open caisson is sunk into the soil under the action of the dead weight of the open caisson.
In view of the above related technologies, the inventor believes that, in the actual use process, once construction errors occur, after the open caisson sinks to the designed elevation, the open caisson may move downwards due to self weight, and subsequent construction is affected.
Disclosure of Invention
In order to reduce the possibility of continuing sinking after the open caisson construction is completed, the application provides a prefabricated spliced open caisson structure and a construction method.
A first aspect;
the application provides a pair of prefabricated formula concatenation open caisson structure adopts following technical scheme:
a prefabricated spliced open caisson structure comprises a caisson body, wherein a reinforcing pipe is connected in the side wall of the caisson body in a sliding mode, and the reinforcing pipe slides to partially extend out of the side wall of the caisson body; the well body further comprises a driving piece used for driving the reinforcing pipe part to extend out of the side wall of the well body.
By adopting the technical scheme, after the well body sinks to the designed elevation, the reinforcing pipe part is driven by the driving part to extend out of the side wall of the well body and be inserted into the soil layer, so that the stability of the well body can be enhanced, the possibility of continuing sinking after the sinking construction is finished is reduced, and the influence on the subsequent construction is avoided.
Optionally, the driving member includes a driving rod, a slot for the driving rod to be vertically inserted is formed in the side wall of the well body, one end of the reinforcing pipe is located in the slot, a first inclined surface for the driving rod to abut against is formed on the reinforcing pipe, and the first inclined surface is gradually close to the center of the well body along a vertical downward direction.
Through adopting above-mentioned technical scheme, when the drive enhancement pipe slides, insert the slot with the actuating lever, at the in-process that the actuating lever inserted the slot, inclined plane one on the actuating lever lower extreme butt enhancement pipe to can release well body lateral wall and insert the soil layer with enhancement pipe portion, this drive assembly simple structure, convenient operation.
Optionally, the reinforced pipe is arranged obliquely, and the reinforced pipe gradually approaches the well body along the vertical upward direction.
Through adopting above-mentioned technical scheme, after reinforcing pipe part stretches out well body lateral wall and inserts in the soil layer, the stability of the well body can further be strengthened to the reinforcing pipe that the slope set up, prevents that the well body from sinking.
Optionally, a plurality of grout discharging holes are formed in the side wall of the reinforcing pipe, a grouting groove is formed in the driving rod, and grouting holes used for communicating the grouting groove with the reinforcing pipe are formed in the side wall of the driving rod.
Through adopting above-mentioned technical scheme, insert the soil layer at the reinforced pipe, to the slip casting groove injection concrete thick liquid, the concrete thick liquid flows into the reinforced pipe after through the slip casting hole in to flow to the soil layer through arranging the thick liquid hole in, thereby can further strengthen the stability of well body.
Optionally, the outer wall of the reinforced pipe is rotatably connected with a reinforced plate, and the reinforced plate rotates to cover the grout discharging hole.
Through adopting above-mentioned technical scheme, when the concrete thick liquid was arranged to the soil layer through arranging the thick liquid hole, can break away the reinforcing plate, made the reinforcing plate rotate, and can prevent after the concrete solidification that the reinforcing plate resets to can prevent after the reinforcing plate location that the reinforced pipe resets, the reinforcing plate location can further strengthen the stability of the well body in the concrete after solidifying in addition.
Optionally, the reinforcing pipe is provided with a receiving groove for receiving the reinforcing plate.
Through adopting above-mentioned technical scheme, be convenient for guarantee the planarization of strengthening the outer wall of pipe.
Optionally, the outer wall of the driving rod is provided with a storage groove in the position of the grouting hole in a surrounding manner, an air bag is fixedly connected in the storage groove, the upper end of the driving rod is fixedly connected with an inflation tube of the air bag, and the inflation tube is used for connecting an external air pump.
Through adopting above-mentioned technical scheme, when the slip casting, through with air pump gas outlet intercommunication gas tube to can aerify the gasbag, the gasbag inflation is supported tightly at the slot inner wall, thereby can strengthen the leakproofness of injected hole and reinforcing pipe, prevents because the slot inner wall unevenness, and influences the concrete thick liquid and flow into in the reinforcing pipe.
A second aspect;
the application provides a construction method of a prefabricated spliced open caisson structure, which adopts the following technical scheme:
a construction method of a prefabricated spliced open caisson structure comprises the following steps: step 1, sinking a well body to a designed elevation; and 2, driving the reinforcing pipe to slide through the driving piece, so that the reinforcing pipe is inserted into the soil layer.
By adopting the technical scheme, after the well body sinks to the designed elevation, the reinforcing pipe part is driven by the driving part to extend out of the side wall of the well body and be inserted into the soil layer, so that the stability of the well body can be enhanced, the possibility of continuing sinking after the sinking construction is finished is reduced, and the influence on the subsequent construction is avoided.
To sum up, the application comprises the following beneficial technical effects:
1. this application is through the setting of reinforced pipe, after sinking to the design elevation at the well body, stretches out well body lateral wall through driving piece drive reinforced pipe part and inserts the soil layer to can strengthen the stability of the well body, reduce the open caisson construction and accomplish the submerged possibility of continuation after, avoid influencing follow-up construction.
Drawings
Fig. 1 is an overall structural sectional view of a prefabricated spliced open caisson structure according to an embodiment of the present application;
fig. 2 is an enlarged schematic view of the region a in fig. 1.
Description of reference numerals:
1. a well body; 2. a reinforcement tube; 3. a chute; 4. a drive rod; 5. a slot; 6. a first inclined plane; 7. a second inclined plane; 8. a slurry discharge hole; 9. grouting grooves; 10. grouting holes; 11. a receiving groove; 12. an air bag; 13. an inflation tube; 14. a communicating pipe; 15. a reinforcing plate; 16. fixing the rod; 17. a cover plate; 18. and (6) accommodating the tank.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses prefabricated formula concatenation open caisson structure. Referring to fig. 1 and 2, this open caisson structure includes a plurality of well bodies 1, well body 1 cross section is square, be provided with the multiunit along its circumference in the 1 lateral wall of well body and strengthen the subassembly, it includes a plurality of reinforced pipes 2 to strengthen the subassembly, a plurality of reinforced pipes 2 set up along vertical direction equidistance, reinforced pipe 2 sliding connection is in well body 1 lateral wall, offer on the 1 lateral wall of well body and supply the gliding spout 3 of reinforced pipe 2, reinforced pipe 2 slides and stretches out well body 1 with the part and extend to the 1 outside of well body, this open caisson structure still includes and is arranged in driving the driving piece that a plurality of reinforced pipe 2 parts in every group of reinforced subassemblies stretch out well body 1 lateral wall.
The driving piece includes actuating lever 4, 1 upper surface of the well body has been seted up and has been supplied 4 vertical male slots 5 of actuating lever, a plurality of spouts 3 that are located same enhancement subassembly position department all communicate slot 5, and the one end that reinforcing pipe 2 is located slot 5 is located the insertion path of inserted bar, a terminal surface that is located slot 5 simultaneously at reinforcing pipe 2 is inclined plane one 6, inclined plane one 6 is followed vertical downward direction and is close to well body 1 center gradually, and inclined plane one 6 supplies the reinforcing bar butt, and for better release spout 3 with 2 parts of reinforcing pipe, be with 4 lower extremes of actuating lever set up be with 2 inclined planes one 6 inclined plane two 7 of mutually supporting of reinforcing pipe.
When in actual use, set up anti-disengaging structure (this is prior art, and this application is no longer repeated) on reinforced pipe 2, prevent that reinforced pipe 2 from breaking away from spout 3 completely.
In this embodiment, in order to further strengthen the stability of well body 1 in the soil horizon, make the reinforced pipe 2 be the slope slip setting on well body 1, reinforced pipe 2 slope sets up and makes reinforced pipe 2 be located the terminal surface formation inclined plane 6 in slot 5, reinforced pipe 2 is close to well body 1 center along vertical ascending direction gradually to after reinforced pipe 2 part inserts in the soil horizon, reinforced pipe 2 can play certain supporting role to well body 1, with the stability of reinforcing well body 1.
In addition, a plurality of grout discharging holes 8 can be formed in the side wall of the reinforcing pipe 2, a grouting groove 9 is formed in the driving rod 4, and a grouting hole 10 for communicating the grouting groove 9 with the reinforcing pipe 2 is formed in the side wall of the driving rod 4; when the concrete grouting device is used, after the driving rod 4 is completely inserted into the slot 5, the grouting holes 10 are aligned with the sliding groove 3, then concrete grout is injected into the grouting groove 9, the concrete grout enters the sliding groove 3 through the grouting holes 10, flows into the reinforcing pipe 2 through the sliding groove 3 and is discharged through the grout discharging holes 8.
In addition, in order to enhance the sealing performance between the grouting hole 10 and the chute 3, an accommodating groove 11 is formed in the outer wall of the driving rod 4 along the peripheral wall of the grouting hole 10, an air bag 12 is fixedly connected in the accommodating groove 11 in a fitting manner, the air bag 12 is annular and is annularly arranged at the periphery of the grouting hole 10, the belling air bags 12 arranged along the vertical direction of the same driving rod 4 are communicated through a communicating pipe 14, an inflation pipe 13 is fixedly connected to the top surface of the driving rod 4, the inflation pipe 13 is communicated with the communicating pipe 14, and the inflation pipe 13 is externally connected with an air pump; the air pump inflates the air bag 12, the air bag 12 is tightly abutted to the inner wall of the slot 5 after being expanded, and the air bag 12 is annularly arranged on the periphery of the grouting hole 10, so that the sealing performance between the grouting hole 10 and the sliding chute 3 can be enhanced after the air bag 12 is expanded.
In order to enable the reinforcing pipe 2 to be smoothly inserted into the soil layer, one end of the reinforcing pipe 2 inserted into the soil layer is arranged to be conical.
In addition, in order to further enhance the stability of the well body 1, a reinforcing plate 15 for covering the grout discharging holes 8 is rotatably connected to the outer wall of the reinforcing pipe 2, the reinforcing plate 15 comprises a fixing rod 16 and a plurality of cover plates 17, the fixing rod 16 is rotatably connected to the outer wall of the reinforcing pipe 2, the plurality of cover plates 17 are all fixed on the fixing rod 16, and the fixing rod 16 rotates to enable the cover plates 17 to cover the grout discharging holes 8; in addition, in order to ensure the flatness of the reinforced pipe 2, an accommodating groove 18 for accommodating the reinforced plate 15 is formed on the outer wall of the reinforced pipe 2; during grouting, the cover plate 17 is pushed by concrete grout under the action of pressure, so that the fixing rod 16 rotates, the grout discharging hole 8 is opened, the concrete grout overflows into a soil layer through the grout discharging hole 8, and the fixing rod 16 is positioned after solidification.
The embodiment of the application also discloses a construction method of the prefabricated spliced open caisson structure, which comprises the following steps: step 1, sinking a well body 1 to a designed elevation; step 2, after the well body 1 sinks, inserting the driving rod 4 into the slot 5, and in the process, pushing the reinforcing pipe 2 to slide by the driving rod 4 to enable the reinforcing pipe 2 to partially extend out of the side wall of the well body 1 and be inserted into a soil layer; step 3, inflating the air bag 12 through the air pump to enable the air bag 12 to expand and abut against the inner wall of the slot 5; and 4, injecting concrete grout into the grouting groove 9 through a grouting machine, enabling the concrete grout to enter the chute 3 through the grouting holes 10, then flowing into the reinforcing pipe 2 through the chute 3, and discharging the concrete grout through the grout discharging holes 8, pushing the cover plate 17 when the concrete grout is discharged through the grout discharging holes 8, enabling the fixing rod 16 to rotate, and positioning the fixing rod 16 after the concrete is solidified.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a prefabricated formula concatenation open caisson structure, includes well body (1), its characterized in that: a reinforcing pipe (2) is connected to the side wall of the well body (1) in a sliding mode, and the reinforcing pipe (2) slides to partially extend out of the side wall of the well body (1); the device also comprises a driving piece for driving the reinforcing pipe (2) to partially extend out of the side wall of the well body (1).
2. The prefabricated spliced open caisson structure of claim 1, wherein: the driving piece comprises a driving rod (4), a vertical inserting slot (5) of the driving rod (4) is formed in the side wall of the well body (1), one end of the reinforcing pipe (2) is located in the slot (5), a first inclined plane (6) abutted against the driving rod (4) is arranged on the reinforcing pipe (2), and the first inclined plane (6) is gradually close to the center of the well body (1) along the vertical downward direction.
3. The prefabricated spliced open caisson structure of claim 1, wherein: the reinforced pipe (2) is obliquely arranged, and the reinforced pipe (2) is gradually close to the center of the well body (1) along the vertical upward direction.
4. The prefabricated spliced open caisson structure of claim 2, wherein: a plurality of grout discharging holes (8) are formed in the side wall of the reinforcing pipe (2), a grouting groove (9) is formed in the driving rod (4), and grouting holes (10) used for communicating the grouting groove (9) with the reinforcing pipe (2) are formed in the side wall of the driving rod (4).
5. The prefabricated spliced open caisson structure of claim 4, wherein: the outer wall of the reinforcing pipe (2) is rotatably connected with a reinforcing plate (15), and the reinforcing plate (15) rotates to cover the grout discharging hole (8).
6. The prefabricated spliced open caisson structure of claim 5, wherein: the reinforcing pipe (2) is provided with an accommodating groove (18) for accommodating the reinforcing plate (15).
7. The prefabricated spliced open caisson structure of claim 4, wherein: actuating lever (4) outer wall in grout hole (10) position department ring is equipped with accomodates groove (11), accomodate fixedly connected with gasbag (12) in groove (11), actuating lever (4) upper end fixedly connected with is used for the intercommunication gas tube (13) of gasbag (12), gas tube (13) are used for external air pump.
8. A construction method of a prefabricated spliced open caisson structure according to any one of claims 1 to 7, wherein: the method comprises the following steps: step 1, sinking a well body (1) to a designed elevation; and 2, driving the reinforcing pipe (2) to slide through a driving piece, so that the reinforcing pipe (2) is inserted into the soil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576994.6A CN114809055A (en) | 2022-05-25 | 2022-05-25 | Prefabricated spliced open caisson structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576994.6A CN114809055A (en) | 2022-05-25 | 2022-05-25 | Prefabricated spliced open caisson structure and construction method |
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| CN114809055A true CN114809055A (en) | 2022-07-29 |
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| CN202210576994.6A Pending CN114809055A (en) | 2022-05-25 | 2022-05-25 | Prefabricated spliced open caisson structure and construction method |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205421243U (en) * | 2016-03-08 | 2016-08-03 | 永城职业学院 | Building building pile |
| CN206784374U (en) * | 2017-04-25 | 2017-12-22 | 成都大学 | A kind of civil construction stake |
| CN110093942A (en) * | 2019-05-30 | 2019-08-06 | 安徽省交通控股集团有限公司 | A kind of assembled radical well foundation of two-wall hollow |
| CN110644295A (en) * | 2019-10-31 | 2020-01-03 | 中铁二院工程集团有限责任公司 | Assembled karst grouting protective pipe assembly and grouting method |
| CN210827451U (en) * | 2019-09-02 | 2020-06-23 | 陕西邦拓实业有限公司 | Slip casting type steel pipe pile |
| CN210857252U (en) * | 2019-05-13 | 2020-06-26 | 浙江大东吴集团建设有限公司 | Open caisson structure applied to drainage pumping station |
| CN212613801U (en) * | 2020-06-09 | 2021-02-26 | 孙玉贞 | Slip casting pipe is used in building engineering construction |
| CN212670613U (en) * | 2020-07-03 | 2021-03-09 | 湖南地生工业设备有限公司 | Anti prefabricated open caisson section of jurisdiction unit and open caisson structure that floats |
| CN112921953A (en) * | 2021-04-13 | 2021-06-08 | 益阳远程公路建设有限公司 | Landslide-preventing high-sliding-resistance miniature pile and construction method thereof |
| CN113174988A (en) * | 2021-04-30 | 2021-07-27 | 中国化学工程第十三建设有限公司 | Double-wall concrete open caisson structure and construction method |
| CN113236181A (en) * | 2021-06-09 | 2021-08-10 | 中煤地质集团有限公司 | Water stopping device for water pumping test of exploration well |
| CN214497491U (en) * | 2021-01-27 | 2021-10-26 | 上海兴庚基础工程有限公司 | Concrete prefabricated square pile |
| CN113585315A (en) * | 2021-08-26 | 2021-11-02 | 宁波市政工程建设集团股份有限公司 | Sinking well with adjustable sinking frictional resistance |
| CN215483065U (en) * | 2021-05-21 | 2022-01-11 | 广东善建建设股份有限公司 | Open caisson foundation for construction engineering construction |
-
2022
- 2022-05-25 CN CN202210576994.6A patent/CN114809055A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205421243U (en) * | 2016-03-08 | 2016-08-03 | 永城职业学院 | Building building pile |
| CN206784374U (en) * | 2017-04-25 | 2017-12-22 | 成都大学 | A kind of civil construction stake |
| CN210857252U (en) * | 2019-05-13 | 2020-06-26 | 浙江大东吴集团建设有限公司 | Open caisson structure applied to drainage pumping station |
| CN110093942A (en) * | 2019-05-30 | 2019-08-06 | 安徽省交通控股集团有限公司 | A kind of assembled radical well foundation of two-wall hollow |
| CN210827451U (en) * | 2019-09-02 | 2020-06-23 | 陕西邦拓实业有限公司 | Slip casting type steel pipe pile |
| CN110644295A (en) * | 2019-10-31 | 2020-01-03 | 中铁二院工程集团有限责任公司 | Assembled karst grouting protective pipe assembly and grouting method |
| CN212613801U (en) * | 2020-06-09 | 2021-02-26 | 孙玉贞 | Slip casting pipe is used in building engineering construction |
| CN212670613U (en) * | 2020-07-03 | 2021-03-09 | 湖南地生工业设备有限公司 | Anti prefabricated open caisson section of jurisdiction unit and open caisson structure that floats |
| CN214497491U (en) * | 2021-01-27 | 2021-10-26 | 上海兴庚基础工程有限公司 | Concrete prefabricated square pile |
| CN112921953A (en) * | 2021-04-13 | 2021-06-08 | 益阳远程公路建设有限公司 | Landslide-preventing high-sliding-resistance miniature pile and construction method thereof |
| CN113174988A (en) * | 2021-04-30 | 2021-07-27 | 中国化学工程第十三建设有限公司 | Double-wall concrete open caisson structure and construction method |
| CN215483065U (en) * | 2021-05-21 | 2022-01-11 | 广东善建建设股份有限公司 | Open caisson foundation for construction engineering construction |
| CN113236181A (en) * | 2021-06-09 | 2021-08-10 | 中煤地质集团有限公司 | Water stopping device for water pumping test of exploration well |
| CN113585315A (en) * | 2021-08-26 | 2021-11-02 | 宁波市政工程建设集团股份有限公司 | Sinking well with adjustable sinking frictional resistance |
Non-Patent Citations (1)
| Title |
|---|
| 陆士良等: "锚杆锚固力与锚固技术", 煤炭工业出版社, pages: 232 - 235 * |
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Application publication date: 20220729 |
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