CN110541717A - Annular push-insert type connecting and fastening assembly for shield tunnel segment and application thereof - Google Patents
Annular push-insert type connecting and fastening assembly for shield tunnel segment and application thereof Download PDFInfo
- Publication number
- CN110541717A CN110541717A CN201910919277.7A CN201910919277A CN110541717A CN 110541717 A CN110541717 A CN 110541717A CN 201910919277 A CN201910919277 A CN 201910919277A CN 110541717 A CN110541717 A CN 110541717A
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- shaped
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- shaped groove
- segments
- shield tunnel
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- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
- E21D11/083—Methods or devices for joining adjacent concrete segments
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a circumferential push-insert type connecting and fastening assembly for shield tunnel segments and application thereof, wherein the assembly comprises a circular sleeve, the circular sleeve is formed by splicing a plurality of arc-shaped segments, adjacent arc-shaped segments are connected through a connecting assembly, the connecting assembly comprises a connecting raised head and a connecting concave head which are arranged in an aligned mode, and the connecting raised head comprises a raised head base and a T-shaped raised head; the connecting concave head comprises a concave head base and a T-shaped groove block; the convex head base and the concave head base are respectively embedded into the end surfaces of the corresponding arc-shaped pipe pieces; and a T-shaped groove matched with the T-shaped raised head is formed in the T-shaped groove block. According to the invention, the original integral forming or screw connection is replaced by the plug-in connection mode, so that the embedded sleeve can be produced in a modular mode and installed simply, only a specific segment needs to be replaced during replacement, the installation difficulty and the maintenance cost are greatly reduced, and the economical efficiency of the engineering is improved.
Description
Technical Field
The invention relates to a circumferential push-insert type connecting and fastening assembly for shield tunnel segments and application thereof.
Background
At present, the existing shield tunnels are generally formed by splicing a plurality of specifications of segments prefabricated by reinforced concrete, and when the segments are prefabricated, connecting bolt holes need to be positioned on a template in advance so as to connect, assemble and fasten the prefabricated segments in the circumferential direction and the longitudinal direction through special connecting bolts when the shield tunnels, thereby forming a complete concrete pipeline. The assembling and fastening method has the disadvantages of difficult construction, labor waste and labor waste in the field, and the service life of the tunnel is easily influenced by corrosion because the connecting bolt is made of metal. To this end, we have proposed a push-and-insert type connection fastening assembly for the section of jurisdiction can the modularization production and simple installation, swift, safe and reliable, in order to improve engineering quality and efficiency of construction, improves the life in tunnel.
disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a circumferential push-in type connecting and fastening assembly for shield tunnel segments and application thereof.
A circumferential push-insertion type connecting and fastening assembly for shield tunnel segments comprises a male connector and a female connector, wherein the male connector comprises a raised head base, and the head of the raised head base is provided with a T-shaped buckle; the female joint comprises a female head base, and a T-shaped clamping groove matched with the T-shaped buckle is formed in the head of the female head base.
In order to better guarantee the convenience and the stability of connection, the cross section area from the head end of the T-shaped clamping groove to the tail end of the T-shaped clamping groove is gradually reduced, namely an upper inclined plane is formed between the head end and the tail end, and the T-shaped clamping groove is integrally contracted; the cross section area of the head end of the T-shaped buckle to the tail end of the T-shaped buckle is gradually reduced, namely, an inner inclined plane is formed between the head end and the tail end, and the whole T-shaped buckle is in a contraction shape.
preferably, the tail end of the T-shaped clamping groove is a closed end.
preferably, the tail parts of the raised head base and the recessed head base are both connected with a plurality of anchor bars.
The application of the annular push-insert type connecting and fastening assembly for the shield tunnel segment in the shield tunnel segment is characterized in that the shield tunnel comprises a plurality of arc-shaped segments, and the adjacent arc-shaped segments are connected through two groups of connecting assemblies which are arranged in a staggered manner; the convex joint in each group of connecting assemblies is embedded in the end part of the arc-shaped duct piece, and the concave joint is embedded in the guide groove in the end part of the arc-shaped duct piece; or the convex joint in each group of connecting components is embedded in the guide groove at the end part of the arc-shaped duct piece, and the concave joint is embedded in the end part of the arc-shaped duct piece; the tail end of the T-shaped buckle on the same end part of each arc-shaped duct piece is adjacent to the tail end of the T-shaped clamping groove.
Preferably, the raised head base of the male joint is embedded in the arc-shaped duct piece, and the T-shaped buckle protrudes out of the arc-shaped duct piece; the concave head base of the concave joint is integrally embedded in the arc-shaped duct piece, and the T-shaped clamping groove is sunk in the guide groove.
has the advantages that:
In the invention, the pre-buried shield tunnel can be divided into a plurality of arc-shaped segments for modularized production, and when the pre-buried shield tunnel is installed, the convex joint is inserted into the concave joint to realize the connection of the arc-shaped segments; when in replacement and maintenance, the male joint can be simply pulled out of the female joint, and the removal of the duct piece can be realized; the invention has the advantages of simple and easy installation and removal, thereby avoiding a great deal of engineering waste, having stable connection and high reliability, effectively avoiding the problems of corrosion, breakage and the like of the connecting bolt and improving the safety of engineering.
Drawings
FIG. 1 is a schematic structural diagram of a circumferential push-insert type connecting and fastening assembly for shield tunnel segments and an arc-shaped segment applied by the same;
FIG. 2 is a schematic view of a male connection end;
FIG. 3 is a schematic view of the female connector;
FIG. 4 is a schematic illustration of two arcuate duct pieces prior to joining;
FIG. 5 is a partial enlarged view of part A of FIG. 4
FIG. 6 is a schematic view of two arcuate duct pieces being joined;
Fig. 7 is a partial enlarged view of part B of fig. 6;
FIG. 8 is an enlarged partial view of portion C of FIG. 1;
in the figure: 1. the pipe piece comprises an arc-shaped pipe piece, 2 parts of a convex joint, 3 parts of a concave joint, 4 parts of a convex head base, 5 parts of a T-shaped buckle, 51 parts of an inner inclined plane, 6 parts of a concave head base, 7 parts of a T-shaped clamping groove block, 71 parts of an upper inclined plane, 8 parts of an anchor bar, 9 parts of a guide groove.
Detailed Description
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
In the first embodiment, as shown in fig. 1 to 8, a fastening assembly for circumferential push-to-insert connection of shield tunnel segments comprises a male connector 2 and a female connector 3, wherein the male connector 2 comprises a raised head base 4, and the head of the raised head base 4 is provided with a T-shaped buckle 5; the cross section area from the head end of the T-shaped buckle 5 to the tail end of the T-shaped buckle 5 is gradually reduced, namely an inner inclined plane 51 is formed between the head end and the tail end, and the whole T-shaped buckle 5 is in a contraction shape; the inner inclined surface 51 of the T-shaped buckle 5 is matched with the upper inclined surface 71 of the T-shaped clamping groove 7.
The female joint 3 comprises a female joint base 6, a T-shaped clamping groove 7 matched with the T-shaped buckle 5 is formed in the head of the female joint base 6, and the cross section area from the head end of the T-shaped clamping groove 7 to the tail end of the T-shaped clamping groove 7 is gradually reduced; namely, an upper inclined plane 71 is formed between the head end and the tail end, and the T-shaped clamping groove 7 is integrally contracted; the upper inclined plane 71 on the T-shaped clamping groove 7 is matched with the inner inclined plane 51 on the T-shaped buckle 5.
The tail end of the T-shaped clamping groove 7 is a closed end, and the tail parts of the raised head base 4 and the recessed head base 5 are both connected with a plurality of anchor bars 8.
The application of coupling assembling in shield tunnel section of jurisdiction as above, the shield tunnel constitute by the concatenation of a plurality of arc section of jurisdiction 1, the tip of arc section of jurisdiction 1 on all be equipped with coupling assembling and guide way 9, the coupling assembling through two sets of dislocation arrangements links to each other between the adjacent arc section of jurisdiction.
convex joint 2 in every group coupling assembling bury underground in the tip of arc section of jurisdiction on, concave joint 3 bury underground in arc section of jurisdiction tip on the guide way 9 in, the tail end of T shape buckle 5 on each arc section of jurisdiction and a tip is adjacent with the tail end of T shape draw-in groove 7.
the using method comprises the following steps:
firstly, staggering and aligning the end parts of two arc-shaped pipe pieces pre-embedded with connecting components;
Then, the convex joint 2 at the end part of the first arc-shaped segment extends into the guide groove 9 of the second arc-shaped segment, and the convex joint 2 of the second arc-shaped segment is just positioned in the guide groove 9 of the first arc-shaped segment;
Further, aligning the T-shaped buckles 5 in the convex-concave joints of the two arc-shaped pipe pieces with the corresponding T-shaped clamping grooves 7;
And finally, pushing along the horizontal direction, inserting the T-shaped buckle 5 of the male connector 2 into the T-shaped clamping groove 7 corresponding to the female connector 3, and extruding the inner inclined plane 51 on the T-shaped buckle 5 and the upper inclined plane 71 on the T-shaped clamping groove 7 in a matched manner, so that the end surfaces of the two pipe pieces 1 are gradually tightened, and the effects of connection, fastening and sealing are achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A circumferential push-insertion type connecting and fastening assembly for shield tunnel segments is characterized by comprising a connecting raised head and a connecting concave head, wherein the connecting raised head comprises a raised head base and a T-shaped raised head; the connecting concave head comprises a concave head base and a T-shaped groove block, and a T-shaped groove is formed in the T-shaped groove block; the T-shaped raised head is matched with the T-shaped groove.
2. The assembly of claim 1, wherein the T-shaped protrusion is horizontally tapered, and the end of the T-shaped protrusion with a small area is an insertion end.
3. The annular push-insert type connecting and fastening assembly for the shield tunnel segment as claimed in claim 1, wherein the T-shaped groove is contracted along the horizontal direction, the end with the smaller end surface area of the T-shaped groove is a head-on end, and the end with the larger end surface area of the T-shaped groove is a tail end.
4. The use of the connecting assembly of claim 1 in shield tunnel segments, wherein said shield tunnel is made up of several segments, adjacent segments being connected by two sets of connecting assemblies, said two sets of connecting assemblies being in opposite directions; the inserting ends of the T-shaped raised heads are inserted from the end facing the T-shaped groove and are abutted to the tail end of the T-shaped groove.
5. the use of the coupling assemblies of claim 4 in shield tunnel segments wherein the nose bases of the two sets of coupling assemblies are pre-embedded in the end faces of the corresponding segments, respectively.
6. The application of the connecting assembly in shield tunnel segments according to claim 4, wherein the end faces of adjacent segments are respectively provided with guide grooves in opposite directions, and the socket head bases are respectively embedded in the guide grooves of the corresponding segments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919277.7A CN110541717A (en) | 2019-09-26 | 2019-09-26 | Annular push-insert type connecting and fastening assembly for shield tunnel segment and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910919277.7A CN110541717A (en) | 2019-09-26 | 2019-09-26 | Annular push-insert type connecting and fastening assembly for shield tunnel segment and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110541717A true CN110541717A (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910919277.7A Pending CN110541717A (en) | 2019-09-26 | 2019-09-26 | Annular push-insert type connecting and fastening assembly for shield tunnel segment and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110541717A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442134A (en) * | 2020-03-16 | 2020-07-24 | 中国地质大学（武汉） | Sliding-in type assembled jacking pipe joint and construction method thereof |
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|---|---|---|---|---|
| CN1133928A (en) * | 1995-02-01 | 1996-10-23 | 下之原武茂 | Method of jointing members and jointing structure |
| EP1243753A1 (en) * | 2001-03-23 | 2002-09-25 | Hochtief Aktiengesellschaft | Tubing segment for lining a tunnel |
| JP2006052541A (en) * | 2004-08-10 | 2006-02-23 | Ohbayashi Corp | Structure for connecting segments together |
| JP2010133112A (en) * | 2008-12-03 | 2010-06-17 | Minoru Yamamoto | Segment |
| CN105484764A (en) * | 2015-12-28 | 2016-04-13 | 上海建工集团股份有限公司 | Segment longitudinal seam connecting assembly, tunnel segment structure and construction method |
| CN106801610A (en) * | 2017-03-13 | 2017-06-06 | 上海隧道工程有限公司 | Using layered construct section of jurisdiction block between jointing and using its connect method |
| CN107060816A (en) * | 2017-05-23 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of attachment structure suitable for tunnel duct piece longitudinal joint |
| CN108194099A (en) * | 2018-02-09 | 2018-06-22 | 江苏格睿特管网工程有限公司 | The connection structure of quick-assembling shield duct piece and its assembled engineering method |
| CN211287702U (en) * | 2019-09-26 | 2020-08-18 | 江苏大成轨道科技有限公司 | Annular push-insert type connecting and fastening assembly for shield tunnel segment |
-
2019
- 2019-09-26 CN CN201910919277.7A patent/CN110541717A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133928A (en) * | 1995-02-01 | 1996-10-23 | 下之原武茂 | Method of jointing members and jointing structure |
| EP1243753A1 (en) * | 2001-03-23 | 2002-09-25 | Hochtief Aktiengesellschaft | Tubing segment for lining a tunnel |
| JP2006052541A (en) * | 2004-08-10 | 2006-02-23 | Ohbayashi Corp | Structure for connecting segments together |
| JP2010133112A (en) * | 2008-12-03 | 2010-06-17 | Minoru Yamamoto | Segment |
| CN105484764A (en) * | 2015-12-28 | 2016-04-13 | 上海建工集团股份有限公司 | Segment longitudinal seam connecting assembly, tunnel segment structure and construction method |
| CN106801610A (en) * | 2017-03-13 | 2017-06-06 | 上海隧道工程有限公司 | Using layered construct section of jurisdiction block between jointing and using its connect method |
| CN107060816A (en) * | 2017-05-23 | 2017-08-18 | 中铁第四勘察设计院集团有限公司 | A kind of attachment structure suitable for tunnel duct piece longitudinal joint |
| CN108194099A (en) * | 2018-02-09 | 2018-06-22 | 江苏格睿特管网工程有限公司 | The connection structure of quick-assembling shield duct piece and its assembled engineering method |
| CN211287702U (en) * | 2019-09-26 | 2020-08-18 | 江苏大成轨道科技有限公司 | Annular push-insert type connecting and fastening assembly for shield tunnel segment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442134A (en) * | 2020-03-16 | 2020-07-24 | 中国地质大学（武汉） | Sliding-in type assembled jacking pipe joint and construction method thereof |
| CN111442134B (en) * | 2020-03-16 | 2021-05-28 | 中国地质大学（武汉） | Sliding-in type assembled jacking pipe joint and construction method thereof |
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