CN109882208B - Tunnel lining steel pipe structure and concrete warehousing method applying same - Google Patents
Tunnel lining steel pipe structure and concrete warehousing method applying same Download PDFInfo
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- CN109882208B CN109882208B CN201910149392.0A CN201910149392A CN109882208B CN 109882208 B CN109882208 B CN 109882208B CN 201910149392 A CN201910149392 A CN 201910149392A CN 109882208 B CN109882208 B CN 109882208B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 64
- 239000010959 steel Substances 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 20
- 238000005260 corrosion Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 9
- 238000011160 research Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a tunnel lining steel pipe structure and a concrete warehousing method using the same, and relates to the field of construction research. The method is convenient for installing the concrete pouring pump pipe and subsequently repairing the round hole on the lining steel pipe.
Description
Technical Field
The invention relates to the field of building construction research, in particular to a tunnel lining steel pipe structure and also relates to a concrete warehousing method applying the tunnel lining steel pipe structure.
Background
The backfill concrete outside the tunnel lining steel pipe is a structural form widely applied in tunnel lining. The construction method is to distribute pipes in the gaps between the lining steel pipes and the tunnels, pump concrete into a warehouse and backfill the gaps between the lining steel pipes and the tunnels. The construction method is limited by the size of the gap between the lining steel pipe and the tunnel, and when the gap is too small, the scheme cannot be implemented. Meanwhile, the lining steel pipe installation and concrete backfilling procedures are frequently alternated, and the installation progress and the overall construction period of the tunnel lining steel pipe are greatly influenced.
The concrete pump pipe device is welded and fixed on the periphery of the opening, and the concrete storage mode solves the frequent alternation problem of the lining steel pipe and the concrete backfilling procedure, and accelerates the construction progress. However, the device for fixing the concrete pipe by welding around the opening hole has the defects that the anti-corrosion coating on the inner side of the steel pipe around the opening hole is seriously damaged, and the repair construction difficulty of the subsequent opening hole is high.
How to solve the problem of pouring concrete on the lining steel pipe by perforating, avoid frequent alternation of the backfilling procedure of the lining steel pipe and the concrete to accelerate the construction progress, protect the anticorrosive coating on the inner side of the steel pipe to the maximum extent and facilitate the repair of the subsequent perforating, which needs to carry out the innovation of the construction technology.
Disclosure of Invention
The invention aims to provide a tunnel lining steel pipe structure which is simple in structure and convenient to operate.
The concrete warehousing method is convenient for installing the concrete pouring pump pipe and subsequently repairing the round hole on the lining steel pipe.
The invention solves the technical problems as follows: the utility model provides a tunnel lining steel pipe structure, includes lining steel pipe and feed inlet joint, at least one round hole has been seted up on the lining steel pipe, each the outside welding of round hole has the spacing ring, each the symmetry is provided with a plurality of bolt holes on the spacing ring, the feed inlet joint passes through the bolt hole and installs on the spacing ring, still includes a disc repair piece that is used for with round hole shutoff.
As a further improvement of the technical scheme, the disc repairing block is a truncated cone, the outer diameter of the small end of the truncated cone is larger than the inner diameter of the limiting ring, the outer diameter of the large end of the truncated cone is smaller than or equal to the inner diameter of the round hole, and the height of the truncated cone is equal to or smaller than the thickness of the side wall of the lining steel tube.
As a further improvement of the technical scheme, the outer diameter of the limiting ring is larger than the inner diameter of the round hole, the inner diameter of the limiting ring is smaller than the inner diameter of the round hole, and each bolt hole is communicated with the round hole.
A concrete warehousing method applying a tunnel lining steel pipe structure, which comprises the following steps,
1) A round hole is formed in the lining steel pipe; welding a limiting ring with a bolt hole on the outer side of the round hole;
2) The lining steel pipe is installed in a tunnel, and before pouring, a flange at one end of a feeding port connector is connected to a limiting ring through bolts and rubber mats;
3) The other end of the feeding port joint is connected with a stop valve and a concrete pump pipe, concrete is poured into a warehouse, and after the concrete pouring is completed, the stop valve is closed, and the concrete pump pipe is removed;
4) Cutting off bolts on the feeding port joint after the concrete is poured and reaches a certain age, and cleaning impurities on the periphery of the round hole and the surface of the limiting ring;
5) Embedding the disc repair block into the round hole, and forming a welding groove between the disc repair block and the inner wall of the round hole;
6) And (5) performing round hole welding repair and performing anti-corrosion treatment.
As a further improvement of the technical scheme, before the step 2), the positions, provided with the round holes, of the limiting rings and the lining steel pipes are subjected to anti-corrosion treatment.
As a further improvement of the technical scheme, the inner circle of the limiting ring and the round hole are concentric circles, and the outer circle of the limiting ring and the round hole are concentric circles.
As a further improvement of the above technical solution, the welding groove is one of a single-sided V-groove, U-groove or I-groove.
The beneficial effects of the invention are as follows: according to the invention, the round hole is formed in the lining steel pipe, the limiting ring is welded on the round hole, the concrete is poured into the bin after being connected with the stop valve and the concrete pump pipe through the feeding port connector, after pouring is finished, the bolt on the feeding port connector is cut off, and the round hole is plugged through the disc repair block. The method is convenient for installing the concrete pouring pump pipe and subsequently repairing the round hole on the lining steel pipe.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic diagram of the structure of a stop collar and lined steel pipe of the present invention;
FIG. 2 is a cross-sectional view of a stop collar and lined steel pipe of the present invention;
FIG. 3 is a cross-sectional view of the present invention with the feed port fitting installed;
FIG. 4 is a cross-sectional view of the disk patch of the present invention as installed.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all coupling/connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to the fact that a more optimal coupling structure may be formed by adding or subtracting coupling aids depending on the particular implementation.
Referring to fig. 1 to 4, a tunnel lining steel pipe structure comprises a lining steel pipe 1 and a feeding port joint 5, wherein at least one round hole 2 is formed in the lining steel pipe 1, a limiting ring 3 is welded on the outer side of each round hole 2, a plurality of bolt holes 4 are symmetrically formed in each limiting ring 3, the feeding port joint 5 is installed on the limiting ring 3 through the bolt holes 4, and a disc repair block 6 for plugging the round hole 2 is further included.
Through offer the round hole 2 on lining steel pipe 1, weld the stop collar 3 on the round hole 2, after being connected with stop valve and concrete pump pipe through the feed port joint 5, implement the concrete and put into the warehouse to pour, after finishing pouring, cut off the bolt on the feed port joint 5, block off the round hole 2 through the disc repair block 6, the structure in the invention is simple, easy to operate.
The disc repair block 6 is a truncated cone, the outer diameter of the small end of the truncated cone is larger than the inner diameter of the limiting ring 3, the outer diameter of the large end of the truncated cone is smaller than or equal to the inner diameter of the round hole 2, and the height of the truncated cone is equal to or smaller than the thickness of the side wall of the lining steel pipe. After the disc repair block 6 is embedded into the round hole 2, a welding groove 7 is formed between the inner wall of the round hole 2 and the outer wall of the disc repair block 6, and the disc repair block 6 and the lining steel pipe are fixed in a welding mode. The end face of the large end of the disc repair block is in press contact with the end face of the limiting ring.
The external diameter of spacing ring 3 is greater than the internal diameter of round hole 2, and the internal diameter of spacing ring 3 is less than the internal diameter of round hole 2, and each bolt hole 4 communicates with round hole 2. I.e. the bolt holes 4 are located between the inner annular wall of the stop collar 3 and the inner wall of the circular hole 2. The diameter of the circumscribed circle circumscribed by all the bolt holes 4 on the same limiting ring 3 is smaller than the inner diameter of the round hole 2.
A concrete warehousing method applying a tunnel lining steel pipe structure, which comprises the following steps,
1) A round hole 2 is formed in the lining steel pipe 1; welding a limiting ring 3 with a bolt hole 4 on the outer side of the round hole 2;
2) The lining steel pipe 1 is installed in a tunnel, and before pouring, a flange at one end of a feeding port joint 5 is connected on a limiting ring 3 through bolts and rubber mats;
3) The other end of the feeding port joint 5 is connected with a stop valve and a concrete pump pipe, concrete is poured into a warehouse, and after the concrete pouring is completed, the stop valve is closed, and the concrete pump pipe is removed;
4) Cutting off bolts on the feeding port joint 5 after the concrete is poured and reaches a certain age, and cleaning impurities on the periphery of the round hole 2 and the surface of the limiting ring 3;
5) Embedding the disc repair block 6 into the round hole, and forming a welding groove 7 between the disc repair block 6 and the inner wall of the round hole 2;
6) And (5) performing welding repair on the round hole 2, and performing anti-corrosion treatment.
Further, as a preferred embodiment, before step 2), the stopper ring 3 and the portion of the lining steel pipe 1 where the round hole 2 is provided are subjected to corrosion-preventing treatment.
Further as the preferred implementation, the inner circle of the limiting ring 3 and the round hole 2 are concentric circles, and the outer circle of the limiting ring 3 and the round hole 2 are concentric circles, so that the construction precision is ensured.
Further as a preferred embodiment, the welding groove 7 is one of a single-sided V-groove, U-groove or I-groove. According to practical conditions, the inner wall of the round hole 2 and the outer side wall of the disc repair block 6 are machined.
The following is a preferred embodiment of the method for putting concrete into storage in the present invention.
1. Rolling the steel pipes according to the design size of the lining steel pipes 1, and determining the positions and the number of the round holes 2 on the lining steel pipes 1 according to the performance of the concrete to be poured outside the lining steel pipes 1;
2. processing a limiting ring 3, wherein four bolt holes 4 are symmetrically formed in the center circle of the limiting ring 3;
3. a limiting ring 3 is welded on the outer side of the round hole 2, and the inner circle and the outer circle of the limiting ring 3 are concentric circles with the round hole 2;
4. carrying out anti-corrosion treatment on the steel pipe subjected to the working procedures according to design requirements;
5. a lining steel pipe 1 is arranged in the tunnel, and a flange at one end of a feeding port joint 5 is connected on a limiting ring 3 through bolts and rubber mats before concrete outside the lining steel pipe 1 is poured;
6. the other end of the feeding port joint 5 is connected with a stop valve and a concrete pump pipe, concrete is poured into a warehouse, and after the concrete pouring is completed, the stop valve is closed, and the concrete pump pipe is removed;
7. cutting off bolts on the feeding port joint 5 after the concrete is poured and reaches a certain age, and cleaning impurities on the periphery of the round hole 2 and the surface of the limiting ring 3;
8. embedding a disc repair block 6 into the round hole 2, forming a welding groove 7 between the disc repair block 6 and the inner wall of the round hole 2, wherein the groove of the welding groove faces the inner side of the lining steel pipe 1, and pressing and touching the end face of the large end of the disc repair block 6 with the end face of the limiting ring 3 so as to weld and repair;
9. and (3) performing welding repair on the round hole 2, performing anti-corrosion treatment, and finally completing the concrete pouring outside the lining steel pipe and the installation of the lining steel pipe.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides a tunnel lining steel pipe structure which characterized in that: the tunnel lining steel pipe structure comprises lining steel pipes and feeding port connectors, wherein at least one round hole is formed in each lining steel pipe, a limiting ring is welded on the outer side of each round hole, a plurality of bolt holes are symmetrically formed in each limiting ring, and each feeding port connector is arranged on each limiting ring through each bolt hole;
the tunnel lining steel pipe structure further comprises a disc repairing block for plugging the round hole, the disc repairing block is a truncated cone, the outer diameter of the small end of the truncated cone is larger than the inner diameter of the limiting ring, the outer diameter of the large end of the truncated cone is smaller than or equal to the inner diameter of the round hole, the height of the truncated cone is equal to or smaller than the thickness of the side wall of the lining steel pipe, the outer diameter of the limiting ring is larger than the inner diameter of the round hole, the inner diameter of the limiting ring is smaller than the inner diameter of the round hole, and each bolt hole is communicated with the round hole; the inner circle of the limiting ring and the round hole are concentric circles, and the outer circle of the limiting ring and the round hole are concentric circles;
after pouring is completed, the bolts on the feeding port connector are cut off, the round holes are plugged through the disc repair blocks, and welding grooves are formed between the inner walls of the round holes and the outer walls of the disc repair blocks.
2. A concrete warehousing method applying a tunnel lining steel pipe structure is characterized by comprising the following steps of: comprises the steps of,
1) A round hole is formed in the lining steel pipe; welding a limiting ring with a bolt hole on the outer side of the round hole;
2) The lining steel pipe is installed in a tunnel, and before pouring, a flange at one end of a feeding port connector is connected to a limiting ring through bolts and rubber mats;
3) The other end of the feeding port joint is connected with a stop valve and a concrete pump pipe, concrete is poured into a warehouse, and after the concrete pouring is completed, the stop valve is closed, and the concrete pump pipe is removed;
4) Cutting off bolts on the feeding port joint after the concrete is poured and reaches a certain age, and cleaning impurities on the periphery of the round hole and the surface of the limiting ring;
5) Embedding the disc repair block into the round hole, and forming a welding groove between the disc repair block and the inner wall of the round hole;
6) And (5) performing round hole welding repair and performing anti-corrosion treatment.
3. The method for warehousing concrete by using tunnel liner steel pipe structure according to claim 2, wherein the method comprises the following steps: and before the step 2), carrying out anti-corrosion treatment on the positions, provided with the round holes, of the limiting ring and the lining steel pipe.
4. The method for warehousing concrete by using tunnel liner steel pipe structure according to claim 2, wherein the method comprises the following steps: the inner circle of the limiting ring and the round hole are concentric circles, and the outer circle of the limiting ring and the round hole are concentric circles.
5. The method for warehousing concrete by using tunnel liner steel pipe structure according to claim 2, wherein the method comprises the following steps: the welding groove is one of a unilateral V-shaped groove, a U-shaped groove or an I-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149392.0A CN109882208B (en) | 2019-02-28 | 2019-02-28 | Tunnel lining steel pipe structure and concrete warehousing method applying same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910149392.0A CN109882208B (en) | 2019-02-28 | 2019-02-28 | Tunnel lining steel pipe structure and concrete warehousing method applying same |
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| Publication Number | Publication Date |
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| CN109882208A CN109882208A (en) | 2019-06-14 |
| CN109882208B true CN109882208B (en) | 2024-02-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003082994A (en) * | 2001-09-04 | 2003-03-19 | Miho Technos Kk | Tunnel repairing structural material and tunnel repairing construction method |
| JP2006225906A (en) * | 2005-02-16 | 2006-08-31 | Public Works Research Institute | Method for reinforcing tunnel lining concrete |
| CN202012356U (en) * | 2011-04-15 | 2011-10-19 | 中国葛洲坝集团股份有限公司 | Concrete pouring and head sealing device through pump pipes |
| CN107761736A (en) * | 2017-09-27 | 2018-03-06 | 中国葛洲坝集团机械船舶有限公司 | A kind of plug and its construction method for pressure steel pipe of hydropower station grouting construction |
| CN209855814U (en) * | 2019-02-28 | 2019-12-27 | 广东水电二局股份有限公司 | Tunnel lining steel pipe structure |
-
2019
- 2019-02-28 CN CN201910149392.0A patent/CN109882208B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003082994A (en) * | 2001-09-04 | 2003-03-19 | Miho Technos Kk | Tunnel repairing structural material and tunnel repairing construction method |
| JP2006225906A (en) * | 2005-02-16 | 2006-08-31 | Public Works Research Institute | Method for reinforcing tunnel lining concrete |
| CN202012356U (en) * | 2011-04-15 | 2011-10-19 | 中国葛洲坝集团股份有限公司 | Concrete pouring and head sealing device through pump pipes |
| CN107761736A (en) * | 2017-09-27 | 2018-03-06 | 中国葛洲坝集团机械船舶有限公司 | A kind of plug and its construction method for pressure steel pipe of hydropower station grouting construction |
| CN209855814U (en) * | 2019-02-28 | 2019-12-27 | 广东水电二局股份有限公司 | Tunnel lining steel pipe structure |
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| CN109882208A (en) | 2019-06-14 |
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