CN203559905U - Shield segment and shield tunnel - Google Patents
Shield segment and shield tunnel Download PDFInfo
- Publication number
- CN203559905U CN203559905U CN201320567009.1U CN201320567009U CN203559905U CN 203559905 U CN203559905 U CN 203559905U CN 201320567009 U CN201320567009 U CN 201320567009U CN 203559905 U CN203559905 U CN 203559905U
- Authority
- CN
- China
- Prior art keywords
- piece
- section
- jurisdiction
- hand hole
- shield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a shield segment and a shield tunnel. The shield segment comprises a wedge-shaped first segment block and second segment blocks in coordinating arrangement with the first segment block, wherein each second segment block comprises first hand holes and second hand holes which are used for installing bent bolts, and the first hand holes and the second hand holes overlap locally at adjacent corners. Through simple structure variation, the problem of local bolt installation conflicts is solved, and the segment can be normally and conveniently installed. The shield tunnel composed of a plurality of shield segments is also provided, and the shield tunnel has excellent social and economic benefits.
Description
Technical field
The utility model relates to power tunnel engineering technical field, particularly a kind of electric power tunnel shield duct piece and shield tunnel.
Background technology
Urban electric power line cord is the trend of power industry development, underground cable line has many advantages compared with trolley line, so heavy in section power cable is sent electric power into this powering mode of center, city, arise at the historic moment, other cable shield tunnel of external diameter 4 meter levels is just followed and gives birth to.
What obtain at present large-scale application is 6 meters of external diameter shield structure subway tunnels, and this tunnel is generally built and formed by six section of jurisdiction piece lining papers.For guaranteeing closely to connect between the piece of section of jurisdiction, piece vertical transverse joint in section of jurisdiction adopts curved bolt to connect.On the piece of section of jurisdiction, have the bolt hand hole of corresponding erection bolt, bolt hand hole is a similar hemispheric groove, must meet ergonomics and require the palm that stretches into an adult to operate the nut that tights a bolt.
6 meters of external diameter duct pieces of shield tunnel fabric widths of subway are 1.2m-1.5m, and section of jurisdiction is thick is 300mm, and it is staggeredly arranged to hand hole in length and breadth, and bolt can normal mounting.By contrast, other electric power tunnel pipe ring compact conformation of external diameter 4 meter levels, the local bolt hand hole of contiguous block, at a distance of excessively near, exists the position of bolt hand hole to overlap and the mutual collision problem of bolt, will cause the bolt cannot normal mounting, thereby make the section of jurisdiction piece cannot normal mounting.
Utility model content
Based on this, for local bolt hand hole position overlap and cause bolt mutually conflict cannot normal mounting section of jurisdiction problem, the utility model proposes a kind of shield duct piece and shield tunnel of reasonable structural arrangement.
The utility model discloses a kind of shield duct piece, comprise the first section of jurisdiction piece of wedge shape, and coordinate the second section of jurisdiction piece of installing with the first section of jurisdiction piece, and this second section of jurisdiction piece comprises the first hand hole and the second hand hole for curved bolt is installed, the first hand hole and the second hand hole are overlapping in part, position, corner.
By by the first hand hole and the second hand hole at position, corner local arranged superposed, the bolt at normal mounting the first hand hole and the second hand hole place sequentially, the normal assembled shield duct piece of energy, thus the local bolt hand hole collision problem of 4 meters of external diameter electric power sections of jurisdiction of reduced size solved.
Below further technical scheme is described:
Preferably, the first hand hole is arranged on the second piece lateral attitude, section of jurisdiction, and the second hand hole is arranged in the second section of jurisdiction piece lengthwise position.Laterally, longitudinally arrange and facilitate erection bolt by hand hole, be also conducive to section of jurisdiction piece stressed.
Preferably, the first hand hole, the second hand hole are positioned on described the second section of jurisdiction piece intrados.Hand hole is arranged on intrados, facilitates processing and fabricating, and be convenient to install from inside curved bolt.
Preferably, the first hand hole and the second hand hole longitudinal overlap amount is in the plane that 70-80mm, lateral overlap amount are 45-50mm.Suitable hand hole lap is set, makes hand hole bolt non-interference, guarantee that bolt can normal mounting.
Preferably, the first section of jurisdiction piece comprises three hand hole corresponding with the first hand hole, and the first hand hole is connected by curved bolt with the 3rd hand hole.Hand hole by horizontally set between the piece of section of jurisdiction is bolted together.
In addition, the utility model also discloses a kind of shield tunnel, comprise multiple shield duct pieces, this shield duct piece also comprises multiple the 3rd section of jurisdiction pieces, the first section of jurisdiction piece, the second section of jurisdiction piece and the 3rd section of jurisdiction piece connect into ring-type by the hand hole of horizontally set on each section of jurisdiction piece with curved bolt, and two adjacent ring-type shield duct pieces link together with curved bolt by the hand hole longitudinally arranging on each section of jurisdiction piece.
By the hand hole of horizontally set on the piece of multiple sections of jurisdiction is connected into annular with curved bolt, link together, form a shield duct piece ring, more longitudinal the utilization of multiple shield duct piece ring hand hole arranging is bolted together, form shield tunnel.Electric power shield tunnel, does not take ground, and little on tunnel ground Adjacent Buildings, resident, urban traffic impact, the electric power tunnel of 4 rice diameters can lay multichannel 220kv or 110kv main cable, guarantees the supply of electric power of downtown area; Do not need significantly to revise subway segment design and just can meet electric power section of jurisdiction installation requirement, greatly save the expense of changing construction tool and retraining workman, realized the object of utilizing to greatest extent existing resource; From broad sense society aspect, electric power tunnel builds up energising and has improved the power supply service level of downtown area, has promoted socioeconomic development, remarkable in economical benefits.
The advantage that the utility model is outstanding: the shield duct piece that the utility model provides, by change structure, has solved local bolt the problem of conflicting is installed, and section of jurisdiction piece can normally be installed easily; The shield tunnel that the utility model provides in addition, has good Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment shield duct piece ring schematic diagram;
Fig. 2 is the assembled expansion schematic diagram of the utility model embodiment shield duct piece lining cutting;
Fig. 3 is the utility model embodiment shield duct piece the second section of jurisdiction piece schematic diagram;
Fig. 4 is the utility model embodiment shield duct piece the second section of jurisdiction piece and the first section of jurisdiction piece bolt connection diagram;
Fig. 5 is the overlapping hand hole floor map of the utility model embodiment shield duct piece the second section of jurisdiction piece;
Fig. 6 is the overlapping hand hole cut-away illustration of the utility model embodiment shield duct piece the second section of jurisdiction piece.
Description of reference numerals:
100-shield duct piece, 110-the first section of jurisdiction piece, 112-the 3rd hand hole, 120-the second section of jurisdiction piece, 122-the first hand hole, 124-the second hand hole, 130-the 3rd section of jurisdiction piece, 140-the 4th section of jurisdiction piece, 142-the 4th hand hole, the curved bolt of 200-.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As Figure 1-Figure 2, electric power tunnel section of jurisdiction is made by steel concrete, external diameter 4.1m section of jurisdiction, section of jurisdiction thickness 250mm, fabric width 1000mm.One ring shield duct piece 100 is comprised of six section of jurisdiction pieces, is respectively the first section of jurisdiction piece 110(and is often called the piece that binds), two the second section of jurisdiction piece 120(are often called contiguous block), three the 3rd section of jurisdiction piece 130(are often called calibrated bolck).
The section of jurisdiction piece of steel concrete is quadrilateral structure, forms girder structure seal in surrounding by reinforcing bar.Tunnel duct piece piece intrados has many group vertical and horizontal hand holes, the corresponding vertical and horizontal bolt of installing.Longitudinal bolt is identical with tunnel axial direction, and except the first section of jurisdiction piece 110, every section of jurisdiction piece has four longitudinal bolts; Cross bolts is axially vertical with tunnel, and every section of jurisdiction piece has four cross bolts.
Vertical, hoop between section of jurisdiction piece and section of jurisdiction piece all adopt the curved bolt 200 of M24 to be connected, and bolt radius of curvature R is 240mm, arc length 312.5-327.6mm, and bolt two ends are tightened fixing by nut and pad.Workman penetrates bolt hole by hand hole by bolt, then at two ends, screws in nut and tightens.
As shown in Figure 3, the utility model discloses a kind of shield duct piece 100, comprise the first section of jurisdiction piece 110 of wedge shape, and coordinate with the first section of jurisdiction piece 110 install the second section of jurisdiction piece 120, this the second section of jurisdiction piece 120 comprises that the first hand hole 122 for curved bolt 200 is installed and the second hand hole 124, the first hand holes 122 and the second hand hole 124 are overlapping in part, position, corner.By by the first hand hole 122 and the second hand hole 124 at position, corner local arranged superposed, the bolt at normal mounting the first hand hole 122 and the second hand hole 124 places sequentially, the normal assembled shield duct piece 100 of energy, thus the local bolt hand hole collision problem of 4 meters of external diameter electric power sections of jurisdiction of reduced size solved.
In addition, as shown in Figure 4, the first section of jurisdiction piece 110 comprises that three hand hole 112, the first hand holes 122 corresponding with the first hand hole 122 are connected by curved bolt 200 with the 3rd hand hole 112.The first section of jurisdiction piece 110 is large little wedge below above, is beneficial to last wedging Lining Ring while longitudinally inserting.Between the first section of jurisdiction piece 110 and the second section of jurisdiction piece 120, longitudinal seam is designed to non axially, and angle is between 10 °-15 °.The second section of jurisdiction piece 120 is the adjacent section of jurisdiction piece of the first section of jurisdiction piece 110, and its and tunnel same with the first section of jurisdiction piece 110 adjacent edges axially acutangulate angle.Hand hole by horizontally set between the piece of section of jurisdiction links together with curved bolt 200.
The first hand hole 122 lateral arrangement are on the second section of jurisdiction piece 120, and the second hand hole 124 is longitudinally arranged on the second section of jurisdiction piece 120.Laterally, longitudinally arrange hand hole, the curved bolt 200 of convenient installation, is also conducive to section of jurisdiction stressed.And first hand hole 122, the second hand hole 124 are positioned on the second section of jurisdiction piece 120 intrados.Hand hole is arranged on intrados, facilitates processing and fabricating, and be convenient to erection bolt.
As shown in Fig. 5-Fig. 6, the first hand hole 120 and the second hand hole 124 longitudinal overlap amount are in the plane that 70-80mm, lateral overlap amount are 45-50mm.Suitable lap is set, and bolt is not interfered can normal mounting.The second section of jurisdiction piece 120 partial lateral hand holes (i.e. the first hand hole 122) are with longitudinally hand hole (i.e. the second hand hole 124) is local overlapping.Preferably, in plane, longitudinal overlap is 75mm, lateral overlap 47.5mm; On section, radian is respectively 143 119mm.Due to two hand holes overlapping be only the operating space of hand, do not have influence on the final installation site of bolt, thereby met the section of jurisdiction movement locus of assembled process and the operation requirements of workman's erection bolt.
In addition, the utility model also discloses a kind of shield tunnel, comprises multiple shield duct pieces 100 that connect into ring-type, it is characterized in that, two adjacent ring-type shield duct pieces 100 link together with curved bolt 200 by the hand hole longitudinally arranging on each section of jurisdiction piece.
During shield-tunneling construction, shield structure completes after a ring driving, segment assembly piece, is followed successively by three the 3rd section of jurisdiction piece 130(and is often called calibrated bolck), two the second section of jurisdiction piece 120(are often called contiguous block), finally complete the first section of jurisdiction piece 110(and be often called the piece that binds) section of jurisdiction.One endless tube sheet piece penetrates horizontal curved bolt and tightens after installing.Then next ring of shield driving next endless tube sheet piece is installed, in the piece of the section of jurisdiction of next ring, there is the 4th section of jurisdiction piece 140(can be same as the first section of jurisdiction piece 110 or the second section of jurisdiction piece 120 or the 3rd section of jurisdiction piece 130, select the 3rd section of jurisdiction piece 130 herein), on the 4th section of jurisdiction piece 140, there is four hand hole 142 corresponding with second hand hole 124 of the second section of jurisdiction piece 120 of a upper ring shield duct piece 100, by longitudinal curved bolt, through the second hand hole 124 and the 4th hand hole 142, the second section of jurisdiction piece 120 and the 4th section of jurisdiction piece 140 are coupled together, the longitudinal curved bolt 200 of other hand holes of next ring shield duct piece and this ring shield duct piece is in like manner installed, being about to last ring shield duct piece and next ring shield duct piece couples together.Multiple ring-type shield duct pieces 100 are utilized the hand hole of longitudinal setting link together by curved bolt 200, form shield tunnel.
Electric power shield tunnel, does not take ground, and little on tunnel ground Adjacent Buildings, resident, urban traffic impact, the electric power tunnel of 4 rice diameters can lay multichannel 220kv or 110kv main cable, guarantees the supply of electric power of downtown area; Do not need significantly to revise subway segment design and just can meet electric power section of jurisdiction installation requirement, greatly save the expense of changing construction tool and retraining workman, realized the object of utilizing to greatest extent existing resource; From broad sense society aspect, electric power tunnel builds up energising and has improved the power supply service level of downtown area, has promoted socioeconomic development, remarkable in economical benefits.
The utility model, by simple structural change, has solved local bolt the problem of conflicting has been installed, and section of jurisdiction piece can normally be installed easily.The Segment design that the utility model adopts has been inherited the advantage of metro shield section of jurisdiction, adopts bind piece, curved bolt of six piecemeals, wedge shape to connect, and is conducive to unit in charge of construction and applies according to existing engineering method.This method key technology point is to have taked hand hole part overlapping, and sequencing penetrates the method for bolt, has guaranteed the realization of pipe sheet assembling, thereby has solved the local bolt hand hole collision problem of reduced size external diameter electric power tunnel shield duct piece; The shield tunnel that the utility model provides in addition, has good Social benefit and economic benefit.
The above embodiment has only expressed the specific embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. a shield duct piece, comprise the first section of jurisdiction piece of wedge shape, and coordinate with described the first section of jurisdiction piece install the second section of jurisdiction piece, it is characterized in that, described the second section of jurisdiction piece comprises the first hand hole and the second hand hole for curved bolt is installed, and described the first hand hole and the second hand hole are overlapping in part, position, corner.
2. shield duct piece according to claim 1, is characterized in that, described the first hand hole is arranged on the second piece lateral attitude, section of jurisdiction, and described the second hand hole is arranged in the second section of jurisdiction piece lengthwise position.
3. shield duct piece according to claim 2, is characterized in that, described the first hand hole, the second hand hole are positioned on described the second section of jurisdiction piece intrados.
4. shield duct piece according to claim 2, is characterized in that, described the first hand hole and the second hand hole longitudinal overlap amount is in the plane that 70-80mm, lateral overlap amount are 45-50mm.
5. shield duct piece according to claim 1, is characterized in that, described the first section of jurisdiction piece comprises three hand hole corresponding with the first hand hole, and described the first hand hole is connected by curved bolt with the 3rd hand hole.
6. a shield tunnel, comprise multiple shield duct pieces as described in claim 1-5 any one, it is characterized in that, described shield duct piece also comprises multiple the 3rd section of jurisdiction pieces, the first section of jurisdiction piece, the second section of jurisdiction piece and the 3rd section of jurisdiction piece connect into ring-type by the hand hole of horizontally set on each section of jurisdiction piece with curved bolt, and two adjacent ring-type shield duct pieces link together with curved bolt by the hand hole longitudinally arranging on each section of jurisdiction piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567009.1U CN203559905U (en) | 2013-09-12 | 2013-09-12 | Shield segment and shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320567009.1U CN203559905U (en) | 2013-09-12 | 2013-09-12 | Shield segment and shield tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559905U true CN203559905U (en) | 2014-04-23 |
Family
ID=50509632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320567009.1U Expired - Lifetime CN203559905U (en) | 2013-09-12 | 2013-09-12 | Shield segment and shield tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223977A (en) * | 2016-08-31 | 2016-12-14 | 济南轨道交通集团有限公司 | Subway station prefabricated pipe section, method of attachment and construction method |
| CN106703830A (en) * | 2016-11-11 | 2017-05-24 | 中铁二院工程集团有限责任公司 | Shield segment lining connector structure with limiting function |
-
2013
- 2013-09-12 CN CN201320567009.1U patent/CN203559905U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223977A (en) * | 2016-08-31 | 2016-12-14 | 济南轨道交通集团有限公司 | Subway station prefabricated pipe section, method of attachment and construction method |
| CN106223977B (en) * | 2016-08-31 | 2019-05-17 | 济南轨道交通集团有限公司 | Subway station prefabricated pipe section, connection method and construction method |
| CN106703830A (en) * | 2016-11-11 | 2017-05-24 | 中铁二院工程集团有限责任公司 | Shield segment lining connector structure with limiting function |
| CN106703830B (en) * | 2016-11-11 | 2019-04-12 | 中铁二院工程集团有限责任公司 | A kind of shield duct piece lining joint construction with limit function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103031917B (en) | A kind of reinforced concrete prefabricated superimposed sheet with truss rib | |
| CN105350572B (en) | Assembled underground pipe gallery | |
| CN203702166U (en) | Segment lining ring structure applicable to rectangular tunnel | |
| CN102094649B (en) | Method for constructing underground space by shield-shallow buried covered excavation composite method | |
| CN103410081B (en) | Steel box type composite beam forming method | |
| CN205557566U (en) | City underground steel construction utility tunnel | |
| CN103557014A (en) | Duct piece structure applicable to rectangular tunnel and assembling method thereof | |
| CN203559905U (en) | Shield segment and shield tunnel | |
| CN108501197A (en) | The omnipotent beat of ferry-boat formula integrates flowing water prefabricated member production line | |
| CN104821490B (en) | A kind of 500kV HGIS power distribution equipment arrangement | |
| CN103362517A (en) | Assembled jacking pipe | |
| CN109441490B (en) | Quick-mounting and dismounting stacked shield modular steel support reinforcing structure | |
| CN109372558B (en) | Construction method of underground excavation main body structure of subway super-large section tunnel | |
| CN202250098U (en) | Pipe piece lining structure capable of providing continuous counterforce action face used for shield tunnel | |
| CN204492835U (en) | Mid-board Rectangular Tunnel pipe-plate lining | |
| CN104455889A (en) | Integrated underground pipe gallery with compensation device | |
| CN209082555U (en) | A kind of prefabricated piping lane machinery and Combined hydraulic type, which are integrally pacified, tears steel form open | |
| CN204113295U (en) | A kind of municipal shield tunnel | |
| CN207750087U (en) | A kind of superposed type shield tunnel structure | |
| CN106013222A (en) | Urban underground complex with three-circle cross section | |
| CN205776346U (en) | The mixed structure of the lower one that closes the lid for metro depot | |
| CN206034485U (en) | Corrugate ring pipe structure utility tunnel | |
| CN211285692U (en) | Corrugated steel pipe gallery based on prestressed tendons | |
| CN212177148U (en) | Symmetrical horseshoe-shaped assembled concrete tunnel | |
| CN210289161U (en) | Steel construction engineering component mounting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230714 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee after: GUANGZHOU MASS TRANSIT ENGINEERING CONSULTANT Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. Patentee before: GUANGZHOU MASS TRANSIT ENGINEERING CONSULTANT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |