CN207598254U - A kind of shield radial direction stratum bracing means - Google Patents
A kind of shield radial direction stratum bracing means Download PDFInfo
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- CN207598254U CN207598254U CN201721807962.3U CN201721807962U CN207598254U CN 207598254 U CN207598254 U CN 207598254U CN 201721807962 U CN201721807962 U CN 201721807962U CN 207598254 U CN207598254 U CN 207598254U
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- hole
- slip casting
- shield
- hoist
- grouting
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Abstract
A kind of shield radial direction stratum bracing means, 16 embedded holes are along the circumferential direction provided on shield machine segment, wherein 6 embedded holes are as hole for hoist, the special reserved injected hole of 10 conducts, the pre-buried unit of slip casting is provided in hole for hoist and special reserved injected hole, Grouting Pipe with holes is squeezed into preformed hole and carries out secondary grouting formation radial grouting fixing collar；The utility model has the advantages that reasonable design, of simple structure and low cost, easy to operate, slip casting effect is good, sealing waterproof effect is notable, can promote the use of city underground shield-tunneling construction field.
Description
Technical field
The utility model belongs to Shield-bored tunnels construction machines or engineering device technique field, and in particular to is applied to a kind of shield
Radial direction stratum bracing means during work.
Background technology
In city underground shield-tunneling construction, earth's surface construction of structures is more, and geological condition is complicated.Particularly worn under river,
Buried rich water geology section, has and gushing water water burst, surface subsidence risk occurs, and construction safety hidden danger is larger.It is applied to reduce shield as possible
Influence of the work to ground settlement after synchronous grouting is completed, needs to carry out section of jurisdiction behind secondary grouting again, along section of jurisdiction outer radial shape
Into fixing collar, with consolidating crack, while enhance shield waterproof effect.Only has hole for hoist on general shield duct piece, spacing is larger, nothing
Method meets radial grouting effect.
Invention content
The technical problem to be solved by the utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of design is provided and is closed
River or buried rich water geology Duan Jing are worn under reason, of simple structure and low cost, easy to operate, effective solution urban subway tunnel
To the shield radial direction stratum bracing means of Grouting Consolidation problem.
Solve above-mentioned technical problem the technical solution adopted is that：16 are along the circumferential direction provided on shield machine segment in advance
Buried via hole, wherein 6 embedded holes are as hole for hoist, the special reserved injected hole of 10 conducts, in hole for hoist and special reserved injected hole
The pre-buried unit of slip casting is provided with, Grouting Pipe with holes is squeezed into preformed hole and carries out secondary grouting formation radial grouting fixing collar.
The utility model hole for hoist and special reserved injected hole bottom are not less than 40mm far from section of jurisdiction exterior arc surface distance.
The Grouting Pipe with holes of the utility model is the steel pipe with reserving hole.
The pre-buried unit of slip casting of the utility model is：End set in embedded hole close to Inner arc side has screw lid,
Screw lid end set has a slip casting built-in fitting, and the end set of slip casting built-in fitting has a check-valves, slip casting built-in fitting and check-valves it
Between be provided with water-expansible rubber circle, be provided with extension tube outside check-valves, extend tube end and flushed with embedded hole bottom.
Embedded hole is circumferentially provided with when shield duct piece makes since the utility model is employed, which part embedded hole
Hole for hoist can be used as, another part as special reserved injected hole, treat installation is complete for section of jurisdiction, after synchronous grouting, by pre-
It boxes out and carries out radial grouting, fixing collar is formed along section of jurisdiction outer diameter, with consolidating crack, enhance shield waterproof effect, the utility model
Have the advantages that reasonable design, of simple structure and low cost, easy to operate, slip casting effect is good, sealing waterproof effect is notable, it can
Promote the use of city underground shield-tunneling construction field.
Description of the drawings
Fig. 1 is the structure diagram of the utility model one embodiment.
Fig. 2 is the structure diagram for installing the pre-buried unit 2 of slip casting in Fig. 1 before non-slip casting in hole for hoist a.
Fig. 3 is the structure diagram for installing the pre-buried unit 2 of slip casting in Fig. 1 after slip casting in hole for hoist a.
In figure：1st, radial grouting fixing collar；2nd, the pre-buried unit of slip casting；3rd, section of jurisdiction；4th, Grouting Pipe with holes；2-1, extension tube；
2-2, check-valves；2-3, water-expansible rubber circle；2-4, slip casting built-in fitting；2-5, screw lid；A, hole for hoist；B, special reserved slip casting
Hole.
Specific embodiment
The utility model is described in further details with reference to the accompanying drawings and examples, but the utility model is not limited to this
A little embodiments.
Embodiment 1
In Fig. 1,2,3, a kind of shield radial direction stratum bracing means of the utility model, on shield machine segment 3 circumferentially
Direction is provided with 16 embedded holes, wherein 6 embedded holes are as hole for hoist a, the special reserved injected hole b of 10 conducts, this implementation
The hole for hoist a of example and special reserved injected hole b bottoms far from 1 exterior arc surface of section of jurisdiction distance not less than 40mm, hole for hoist a and special
The pre-buried unit 2 of slip casting is installed in reserved injected hole b, slip casting with holes is squeezed into section of jurisdiction outer radial by the pre-buried unit 2 of slip casting
Pipe 4, into Grouting Pipe 4 with holes, secondary grouting forms radial grouting fixing collar 1.
Further, the pre-buried unit of the slip casting of the present embodiment by extension tube 2-1, check-valves 2-2, water-expansible rubber circle 2-3,
Slip casting built-in fitting 2-4, screw lid 2-5 are connected and composed, and the end in embedded hole close to Inner arc side is equipped with screw lid 2-5,
Screw lid 2-5 ends are equipped with slip casting built-in fitting 2-4, and the end of slip casting built-in fitting 2-4 is equipped with check-valves 2-2, and slip casting is pre-buried
It is equipped between part 2-4 and check-valves 2-2 outside water-expansible rubber circle 2-3, check-valves 2-2 and extension tube 2-1, extension tube is installed
2-1 ends are flushed with embedded hole bottom, and during shield assembly, the pre-buried unit 2 of slip casting in hole for hoist a is used as lifting section of jurisdiction 1,
During shield driving, the pre-buried unit 2 of slip casting in hole for hoist a and special reserved injected hole b is used as synchronous grouting and secondary grouting hole
With Grouting Pipe 4 with holes is effective as secondary grouting.
Claims (4)
1. a kind of shield radial direction stratum bracing means, it is characterised in that：16 are along the circumferential direction provided on shield machine segment
Embedded hole, wherein 6 embedded holes are as hole for hoist, the special reserved injected hole of 10 conducts, hole for hoist and special reserved injected hole
The pre-buried unit of slip casting is inside provided with, Grouting Pipe with holes is squeezed into preformed hole and carries out secondary grouting formation radial grouting and is reinforced
Circle.
2. a kind of shield radial direction stratum bracing means according to claim 1, it is characterised in that：The hole for hoist and specially
It is not less than 40mm far from section of jurisdiction exterior arc surface distance with reserved injected hole bottom.
3. a kind of shield radial direction stratum bracing means according to claim 1, it is characterised in that：The Grouting Pipe with holes
To carry the steel pipe of reserving hole.
4. a kind of shield radial direction stratum bracing means according to claim 1, it is characterised in that the slip casting is footed the bill in advance
Member is：End set in embedded hole close to Inner arc side has screw lid, and screw lid end set has slip casting built-in fitting, slip casting
The end set of built-in fitting has check-valves, is provided with water-expansible rubber circle between slip casting built-in fitting and check-valves, outside check-valves
Extension tube is provided with, extends tube end and is flushed with embedded hole bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721807962.3U CN207598254U (en) | 2017-12-21 | 2017-12-21 | A kind of shield radial direction stratum bracing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721807962.3U CN207598254U (en) | 2017-12-21 | 2017-12-21 | A kind of shield radial direction stratum bracing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207598254U true CN207598254U (en) | 2018-07-10 |
Family
ID=62767565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721807962.3U Active CN207598254U (en) | 2017-12-21 | 2017-12-21 | A kind of shield radial direction stratum bracing means |
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| CN (1) | CN207598254U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488334A (en) * | 2018-10-25 | 2019-03-19 | 中铁第勘察设计院集团有限公司 | Deep hole grouting reinforcement means and equipment in shield tunnel |
| CN110030017A (en) * | 2019-06-04 | 2019-07-19 | 广州轨道交通建设监理有限公司 | A kind of liquefied method of layer of sand around prevention and treatment subway tunnel structure |
| CN110130316A (en) * | 2019-05-13 | 2019-08-16 | 南京林业大学 | The method of thaw collapse after service channel bottom pre-pouring grout system and control freezing construction |
| CN110714786A (en) * | 2019-10-28 | 2020-01-21 | 郑州大学 | High polymer grouting method for shield tunnel and shield tunnel |
| CN110863839A (en) * | 2019-12-18 | 2020-03-06 | 倪筠 | Novel duct piece longitudinal connector |
| CN111396082A (en) * | 2020-03-06 | 2020-07-10 | 中国一冶集团有限公司 | Temporary reinforcing device and method for subway segments in construction period |
| CN111706337A (en) * | 2020-05-19 | 2020-09-25 | 北京城建中南土木工程集团有限公司 | Construction method for shield to penetrate high-speed rail |
| CN112145189A (en) * | 2020-10-24 | 2020-12-29 | 中铁一局集团有限公司 | Novel duct piece grouting reinforcement method for soft soil area |
| CN113006819A (en) * | 2021-03-10 | 2021-06-22 | 上海隧道工程智造海盐有限公司 | Segment grouting method |
| CN113417663A (en) * | 2021-07-16 | 2021-09-21 | 中铁五局集团有限公司 | Grouting construction method for shield tunnel segment |
-
2017
- 2017-12-21 CN CN201721807962.3U patent/CN207598254U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109488334A (en) * | 2018-10-25 | 2019-03-19 | 中铁第勘察设计院集团有限公司 | Deep hole grouting reinforcement means and equipment in shield tunnel |
| CN110130316A (en) * | 2019-05-13 | 2019-08-16 | 南京林业大学 | The method of thaw collapse after service channel bottom pre-pouring grout system and control freezing construction |
| CN110030017A (en) * | 2019-06-04 | 2019-07-19 | 广州轨道交通建设监理有限公司 | A kind of liquefied method of layer of sand around prevention and treatment subway tunnel structure |
| CN110714786A (en) * | 2019-10-28 | 2020-01-21 | 郑州大学 | High polymer grouting method for shield tunnel and shield tunnel |
| CN110863839A (en) * | 2019-12-18 | 2020-03-06 | 倪筠 | Novel duct piece longitudinal connector |
| CN111396082A (en) * | 2020-03-06 | 2020-07-10 | 中国一冶集团有限公司 | Temporary reinforcing device and method for subway segments in construction period |
| CN111706337A (en) * | 2020-05-19 | 2020-09-25 | 北京城建中南土木工程集团有限公司 | Construction method for shield to penetrate high-speed rail |
| CN111706337B (en) * | 2020-05-19 | 2022-07-15 | 北京城建中南土木工程集团有限公司 | Construction method for shield to penetrate high-speed rail |
| CN112145189A (en) * | 2020-10-24 | 2020-12-29 | 中铁一局集团有限公司 | Novel duct piece grouting reinforcement method for soft soil area |
| CN113006819A (en) * | 2021-03-10 | 2021-06-22 | 上海隧道工程智造海盐有限公司 | Segment grouting method |
| CN113417663A (en) * | 2021-07-16 | 2021-09-21 | 中铁五局集团有限公司 | Grouting construction method for shield tunnel segment |
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