CN209369832U - Steel pipe behind fill concrete structure in a kind of tunnel - Google Patents
Steel pipe behind fill concrete structure in a kind of tunnel Download PDFInfo
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- CN209369832U CN209369832U CN201822247257.3U CN201822247257U CN209369832U CN 209369832 U CN209369832 U CN 209369832U CN 201822247257 U CN201822247257 U CN 201822247257U CN 209369832 U CN209369832 U CN 209369832U
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- pipe
- steel pipe
- tunnel
- steel
- hole
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Abstract
The utility model discloses steel pipe behind fill concrete structures in a kind of tunnel, including tunnel barrel and the steel pipe being mounted in tunnel barrel, there are interlayers between the tunnel barrel and steel pipe, the interlayer setting closed at both ends, it is reserved with exhaust outlet, it is equipped at intervals in the steel pipe and pours pipe, the pipe that pours is connected with the interlayer, and the input terminal for pouring pipe is equipped with flashboard；Described pour is evenly distributed with Grouting Pipe between pipe.The utility model pours pipe by being arranged in steel pipe, by being filled between tunnel and steel pipe for concrete compaction, steel-pipe space is efficiently used, convenient for construction.
Description
Technical field
The utility model relates to penstock installation technical field in tunnel, in particular to steel pipe backfills mixed behind in a kind of tunnel
Xtah Crude Clay structure.
Background technique
Water-conveyance tunnel is an important component in diversion water diversion project, general next at present frequently with multilayer lining cutting
It says, comprising: outer lining such as gunite concrete, section of jurisdiction etc.；Liner such as steel pipe, pvc pipe etc.；The reinforcing bar being filled between outer lining and liner
Concrete, self-compacting concrete etc..
When penstock installation is after tunnel, need to backfill self-compacting concrete between steel pipe and tunnel, tradition backfill is from close
The method of real concrete is generally poured using segmentation or surface drilling pours, and segmentation is poured to be influenced by tunnel length, works as tunnel
It is only leaned on when length is longer and pours and can not meet the requirements from both ends, and surface drilling pours and is pushed up formation influence by hole, as stratum has
Shallow-layer backwater, backwater may be from drilling into the interlayer tunnel barrel and steel pipe.
Utility model content
The purpose of this utility model is to provide steel pipe behind fill concrete structures in a kind of tunnel, it passes through in steel pipe
Interior setting pours pipe, by being filled between tunnel and steel pipe for concrete compaction, steel-pipe space is efficiently used, convenient for construction.
The above-mentioned purpose of the utility model has the technical scheme that
Steel pipe behind fill concrete structure in a kind of tunnel, including tunnel barrel and the steel being mounted in tunnel barrel
Pipe, there are interlayer between the tunnel barrel and steel pipe, the interlayer setting closed at both ends is reserved with exhaust outlet, the steel pipe
It is inside equipped at intervals with and pours pipe, the pipe that pours is connected with the interlayer, and the input terminal for pouring pipe is equipped with flashboard；It is described to pour
It builds and is evenly distributed with Grouting Pipe between pipe.
It by using above-mentioned technical proposal, when backfilling self-compacting concrete, first passes through and pours pipe and be filled in interlayer, when pouring
When building the Grouting Pipe of pipe side has concrete leakage, stop pouring, by flashboard by the casting duct occlusion, then moves to next pour
Note pipe is poured；Grout filling is carried out after the completion of concrete backfill, then through Grouting Pipe, it is ensured that backfill is closely knit, backfills
Journey makes full use of steel duct space, avoid segmentation pour leakiness, vulnerable to formation influence the problem of.
The utility model is further arranged to: adjacent pour is uniformly provided with three Grouting Pipes between pipe.
By using above-mentioned technical proposal, three Grouting Pipes are sufficiently in the milk to the interlayer after pipe pours is poured, thus
Guarantee the backfill effect of concrete.
The utility model is further arranged to: the upper end of the Grouting Pipe is connected with blind plate, and Grouting Pipe is close to the upper end position
The place of setting is evenly distributed with benefit slurry hole.
By using above-mentioned technical proposal, blind plate by the upper end closed of Grouting Pipe, in order to avoid concrete in backfilling process from
Grouting Pipe accidentally drains in steel pipe, influences the judgement of compactness；Small-bore benefit slurry hole neither influences to be in the milk, and can also weaken the problem
Influence.
The utility model is further arranged to: benefit slurry hole is set as four.
By using above-mentioned technical proposal, Grouting Pipe is enable to be in the milk from four direction, improves fill concrete
Compactness.
The utility model is further arranged to: benefit slurry hole is apart from Grouting Pipe tube top 3mm.
By using above-mentioned technical proposal, concrete is reduced in backfilling process from the influence starching hole and accidentally leaking is mended, is improved mixed
Coagulate the backfill effect of soil.
The utility model is further arranged to: the upper end of the Grouting Pipe passes through steel pipe and tunnel barrel inner wall is inconsistent,
Lower end is located in steel pipe, is identical as the length for pouring pipe.
By using above-mentioned technical proposal, the isometric setting in steel pipe of pipe and Grouting Pipe is poured, backfill facilitates work when pouring
It carries out changing pipe operation as personnel, facilitates construction.
The utility model is further arranged to: the interlayer both ends are equipped with stock mould structure, are equipped with exhaust in stock mould structure
Pipe.
Interlayer is closed, is passed through in the brick formation stock mould structure in the end of interlayer by using above-mentioned technical proposal
Inner and outer air pressure when exhaust pipe pours interlayer keeps balance.
In conclusion the utility model has the following beneficial effects:
1, it by pouring pipe and Grouting Pipe in steel duct setting, is poured using pipe is poured in interlayer, utilizes note
Slurry pipe is in the milk, and guarantees to efficiently use steel-pipe space while the compactness of backfill, convenient for construction；
2, Grouting Pipe, which is uniformly arranged on, pours between pipe, by the further rockfill grouting of Grouting Pipe, improves the closely knit of backfill
Effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram in embodiment；
Fig. 2 is the structural schematic diagram of propulsion system in embodiment；
Fig. 3 is the structural schematic diagram of pipeline installation system in embodiment；
Fig. 4 is the structural schematic diagram that pipeline places platform in embodiment；
Fig. 5 is that pipe and Grouting Pipe distribution schematic diagram are poured in embodiment；
Fig. 6 is the schematic diagram of stock mould structure in embodiment.
In figure, 1, tunnel barrel；11, poling platform；12, supporting element；13, positioning bar；14, steel pipe；2, dress is rolled in hole
It sets；21, earrings；211, arc groove；22, steel shaft；23, sleeve；3, track-type facilities in hole；31, guided way；32, lacing wire；4, pipeline
Place platform；41, track foundation；42, hole outside track；43, welding is cheated；5, puopulsion equipment；51, jacking iron；52, retaining
Iron；6, back；7, pipe is poured；71, flashboard；8, Grouting Pipe；81, blind plate；82, slurry hole is mended；9, stock mould structure；91, exhaust pipe.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: steel pipe behind fill concrete structure in a kind of tunnel, as shown in Figure 1, including tunnel barrel 1, promoting
System and pipeline installation system, wherein propulsion system is arranged in tunnel barrel 1, and pipeline installation system is arranged in tunnel barrel
1 at hole.
As shown in Figure 1 and Figure 2, propulsion system includes track-type facilities 3 in tourelle 2 and hole in hole, tourelle 2 in hole
Including earrings 21, steel shaft 22 and sleeve 23, earrings 21 is rectangular plate-like structure, and two earrings 21 are one group, and symmetric support is in tunnel
The bottom of hole barrel 1, the upper end of earrings 21 offer arc groove 211, and sleeve 23 is set in steel shaft 22, and steel shaft 22 is placed on arc
In shape slot 211, the assembly of tourelle 2 in hole is completed；Wherein the diameter of steel shaft 22 is 60mm, and the diameter of sleeve 23 is 75mm,
The diameter of arc groove 211 is adapted to steel shaft 22.In order to guarantee fluency that sleeve 23 rotates in steel shaft 22, can sleeve 23 with
Coating lubricating oil between steel shaft 22.Track-type facilities 3 are made of two guided ways 31 in hole, and each guided way 31 is by two channel steels pair
Weldering is formed, and guided way 31 is 30cm long.
The bottom of tunnel barrel 1 is cast with poling platform 11(referring to Fig.1 using C40 concrete), 2 He of tourelle in hole
Track-type facilities 3 are integrally cast in poling platform 11 in hole, and poling platform 11 is realized in hole after forming and led in tourelle 2 and hole
The installation of rail device 3 is fixed, and the construction of propulsion system is completed.Poling platform 11 steps down to tourelle 2 in hole when being poured,
Guarantee that sleeve 23 can be rotated around steel shaft 22；The vertex of guided way 31 is higher than the vertex of sleeve 23 after poling platform 11 forms.
Tourelle 2 arranges one group every 1m in tunnel barrel 1 in hole, and in hole the hole in tunnel barrel 1 of track-type facilities 3
Interior to arrange one group every 3m, track-type facilities 3 start to pour again after installing in tunnel barrel 1 in tourelle 2 and hole in hole
Poling platform 11, but the positional relationship between may will affect in casting process, and then the transport effect of steel pipe 14 is influenced,
In order to weaken the influence of the problem, before pouring poling platform 11, it is first equipped with supporting element along its length in tunnel barrel 1
12, supporting element 12 is chosen as channel steel or square tube.
Track-type facilities 3 are arranged on supporting element 12 in tourelle 2 and hole in hole, specific as shown in Fig. 2, rolling every group of hole in
The earrings 21 of dynamic device 2 is symmetrically welded at the two sides of supporting element 12, in this way, the stability of the installation of earrings 21 had not only been improved, but also
It prevents that change in location occurs between tourelle 2 in hole, ensure that the transport effect of steel pipe 14；Track-type facilities 3 are then two in hole
Interval setting lacing wire 32, the both ends of lacing wire 32 are respectively welded on the side wall of guided way 31 between guided way 31, two groups of guided ways
31 are erected at the top of supporting element 12 by lacing wire 32, prevent that change in location occurs in hole between track-type facilities 3 with this, guarantee pair
The guide effect of steel pipe 14, while lacing wire 32 pulls and supports power to the application of guided way 31, improves the installation effect of guided way 31.
Poling platform 11 first determines the position of poling platform 11 using total station before being poured, flat to poling with precision level
11 height of platform measures, the top surface opposite with tourelle 2 in hole of poling platform 11 by place steel shaft 22 after than 23 bottom of sleeve
The low 1cm control in face.
Further, the hole in order to guarantee straightness that steel pipe 14 slides in tunnel barrel 1, inside tunnel barrel 1
Positioning bar 13(is installed on referring to Fig.1 at top and hole waist), positioning bar 13 is fixed on tunnel barrel 1 by the way of bar planting；
13 spacing of positioning bar at the top of hole is 500cm, and 13 spacing of positioning bar at the waist of hole is 400cm.Steel pipe 14 is advanced over
Cheng Zhong, positioning bar 13 play the role of limit to steel pipe 14, prevent steel pipe 14 from shifting.
After the completion of propulsion system construction, start the construction of operation pipeline installation system.As shown in figure 3, pipeline installation system packet
It includes pipeline and places platform 4, puopulsion equipment 5 and back 6, Pipe installing is from 1 terminal of tunnel barrel (into the hole) direction Xiang Qidian
It promotes, the pipeline of pipeline installation system is placed platform 4, puopulsion equipment 5 and back 6 and successively arranged outward from 1 terminal of tunnel barrel
Cloth.
As shown in figure 4, it includes the track foundation 41 by armored concrete pouring molding, track foundation that pipeline, which places platform 4,
Formed by integrally casting has two groups of hole outside tracks 42 on 41, and hole outside track 42 is also formed by two channel steel butt welding.It is poured in track foundation 41
There is supporting element 12, arranged for interval has lacing wire 32 between two groups of hole outside tracks 42, is erected on supporting element 12 by lacing wire 32, track
The stability of hole outside track 42 is improved after 41 molding of basis.Puopulsion equipment 5 is selected as the hydraulic ejecting picks of two 320T, and back 6 then selects
For reinforced concrete structure, lower part is embedded in soil layer, and top, which is exposed, provides support force for puopulsion equipment 5.
When steel pipe 14 is installed, first steel pipe 14 is hoisted to by pipeline by crane and is placed on the hole outside track 42 of platform 4,
Then in one end setting retaining iron 52(of the steel pipe 14 towards puopulsion equipment 5 referring to Fig. 3), puopulsion equipment 5 is resisted against on back 6,
Retaining iron 52 is pushed by the jacking iron 51 placed one by one when puopulsion equipment 5 works, to push steel pipe 14 gradually towards tunnel
It is moved in body 1, when the end of steel pipe 14 enters tunnel body 1 fastly, puopulsion equipment 5 stops working, and then removes jacking iron 51
Fall, next steel pipe 14 is hoisted to by pipeline by crane and is placed on platform 4, and former and later two steel pipes 14 are docked, is welded
Connect work；For the welding effect for guaranteeing two steel pipes 14, brick formation between platform 4 and 1 terminal of tunnel barrel is placed in pipeline
There is welding to cheat 43, keeps soldering opening more comprehensive.Butt welding mouth is polished after the completion of welding, keeps weld bond and 14 bottom of steel pipe neat
It is flat, smooth, it eliminates the friction at weld bond and hinders.Then propulsion work is carried out again, and previous steel pipe 14 then enters tunnel
In body 1, transported by tourelle 2 in hole.Similarly, steel pipe 14 is pushed into one by one in tunnel barrel 1, realizes steel pipe
14 tunnel barrel 1 Fast Installation, solve the problems, such as that the installation effectiveness in narrow space of steel pipe 14 is low.
After steel pipe 14 is completely in place, need to backfill self-compacting concrete between steel pipe 14 and tunnel barrel 1, tradition is returned
The method for filling out self-compacting concrete is generally poured using segmentation or surface drilling pours, and segmentation is poured to be influenced by tunnel length,
It is only leaned on when tunnel length is longer and pours and can not meet the requirements from both ends, and surface drilling pours and is pushed up formation influence by hole, such as
There is shallow-layer backwater on stratum, and backwater may be from drilling into the interlayer tunnel barrel 1 and steel pipe 14.In order to avoid occurring
The above problem, the present invention take interlayer both ends to be blocked with brick, and pre-buried exhaust pipe 91, and in 14 top drilling of steel pipe, welding is poured
Grouting Pipe 8 is arranged for backfilling self-compacting concrete, while pouring in pipe 7 between pipe 7, be in the milk after the completion of backfill, it is ensured that
It backfills closely knit.
Specifically, arranging a φ 150mm length 30mm's every 20m since at the position at 14 both ends of steel pipe
Pipe 7 is poured, is equally spaced the Grouting Pipe 8 of three Φ 100mm wall thickness 5mm between pipe 7 in adjacent pour；Close to 14 both ends of steel pipe
Grouting Pipe 8, in the intermediate arrangement for pouring pipe 7 Yu 14 nozzle of steel pipe, specific arrangement is referring to Fig. 5.
When welding pours pipe 7 at the top of steel pipe 14, the connection of Φ 150 is first cut at the top of steel pipe 14 by the way of gas welding
Then hole welds again and pours pipe 7.Similarly, pipe 7 and steel pipe 14 are poured and the tube top center of both ends plug also uses adjacent
The mode of gas welding is cut into the connecting hole of Φ 100, for arranging Grouting Pipe 8；The upper end of Grouting Pipe 8 is welded with its is closed
Blind plate 81, at the position 3mm apart from 8 tube top of Grouting Pipe, there are four the benefits of Φ 12 to starch hole 82 for circle distribution, and Grouting Pipe 8 is installed
After on steel pipe 14, the upper end is pressed on the inner wall of tunnel barrel 1, and a part is reserved in lower end in steel pipe 14, the part
Length is identical as the length for pouring pipe 7.Grouting Pipe 8 is in addition to for other than being in the milk, also acting as observation concrete placings situation, exhaust, resisting
Floating effect.13 arranged for interval of positioning bar is pushed up in Grouting Pipe 8 and hole, to avoid location conflicts.
As shown in fig. 6,14 both ends of steel pipe are blocked using stock mould structure 9, the exhaust of Φ 50 is embedded at the top of stock mould
Pipe 91.Concreting is poured using Vehicle loaded pump, and Vehicle loaded pump pump line uses high-pressure hose to connect with pipe 7 is poured, correspondingly,
It pours and also sets up the flashboard 71 that control pours on pipe 7.
Pipe progress is successively moved back in concrete backfill from starting point to terminal, after the completion of every section concrete pours, is closed with flashboard 71
Pipe 7 is poured, the next position is then moved to.Concrete backfill complete standard be subject to 8 tube top of built-in slip casting pipe have concrete leakage.
After the completion of concrete backfill, it is in the milk using Grouting Pipe 8, it is ensured that Concrete Filled is closely knit.After the completion of grouting, to pouring pipe 7
It is cut with Grouting Pipe 8, and beats groove on raw steel pipe 14, then with welding rod welded closure, lossless spy is carried out after the completion of closing
Wound test, it is ensured that welding quality is qualified.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (7)
1. steel pipe behind fill concrete structure in a kind of tunnel including tunnel barrel (1) and is mounted in tunnel barrel (1)
Steel pipe (14), there are interlayers between the tunnel barrel (1) and steel pipe (14), it is characterised in that: interlayer setting closed at both ends, in advance
There are exhaust outlet, it is equipped at intervals with and pours pipe (7) in the steel pipe (14), the pipe (7) that pours is connected with the interlayer, described
The input terminal for pouring pipe (7) is equipped with flashboard (71)；Described pour is evenly distributed with Grouting Pipe (8) between pipe (7).
2. steel pipe behind fill concrete structure in tunnel according to claim 1, it is characterised in that: adjacent to pour pipe
(7) three Grouting Pipes (8) are uniformly provided between.
3. steel pipe behind fill concrete structure in tunnel according to claim 1, it is characterised in that: the Grouting Pipe
(8) upper end is connected with blind plate (81), and Grouting Pipe (8) is evenly distributed with benefit slurry hole (82) at end position thereon.
4. steel pipe behind fill concrete structure in tunnel according to claim 3, it is characterised in that: the benefit starches hole
(82) four are set as.
5. steel pipe behind fill concrete structure in tunnel according to claim 3, it is characterised in that: the benefit starches hole
(82) apart from Grouting Pipe (8) tube top 3mm.
6. steel pipe behind fill concrete structure in tunnel according to claim 1, it is characterised in that: the Grouting Pipe
(8) upper end passes through steel pipe (14) and tunnel barrel (1) inner wall is inconsistent, and lower end is located in steel pipe (14) and pours pipe (7)
Length is identical.
7. steel pipe behind fill concrete structure in tunnel according to claim 1, it is characterised in that: the interlayer both ends
Equipped with stock mould structure (9), exhaust pipe (91) are installed in stock mould structure (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247257.3U CN209369832U (en) | 2018-12-29 | 2018-12-29 | Steel pipe behind fill concrete structure in a kind of tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247257.3U CN209369832U (en) | 2018-12-29 | 2018-12-29 | Steel pipe behind fill concrete structure in a kind of tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369832U true CN209369832U (en) | 2019-09-10 |
Family
ID=67828448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822247257.3U Expired - Fee Related CN209369832U (en) | 2018-12-29 | 2018-12-29 | Steel pipe behind fill concrete structure in a kind of tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369832U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505629A (en) * | 2018-12-29 | 2019-03-22 | 北京京水建设集团有限公司 | Steel pipe behind fill concrete structure and construction method in a kind of tunnel |
| CN110735651A (en) * | 2019-09-11 | 2020-01-31 | 北京翔鲲水务建设有限公司 | through-hole pipe self-compacting concrete pouring construction method |
| CN111910731A (en) * | 2020-08-13 | 2020-11-10 | 福建荣冠环境建设集团有限公司 | Construction method of urban drainage underground culvert sinking groove |
-
2018
- 2018-12-29 CN CN201822247257.3U patent/CN209369832U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505629A (en) * | 2018-12-29 | 2019-03-22 | 北京京水建设集团有限公司 | Steel pipe behind fill concrete structure and construction method in a kind of tunnel |
| CN110735651A (en) * | 2019-09-11 | 2020-01-31 | 北京翔鲲水务建设有限公司 | through-hole pipe self-compacting concrete pouring construction method |
| CN110735651B (en) * | 2019-09-11 | 2022-01-28 | 北京清河水利建设集团有限公司 | Self-compacting concrete pouring construction method for through-hole pipe |
| CN111910731A (en) * | 2020-08-13 | 2020-11-10 | 福建荣冠环境建设集团有限公司 | Construction method of urban drainage underground culvert sinking groove |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20211229 |