CN105443146B - U-shaped beam erecting device and method in a kind of shield formula TBM - Google Patents
U-shaped beam erecting device and method in a kind of shield formula TBM Download PDFInfo
- Publication number
- CN105443146B CN105443146B CN201510975443.7A CN201510975443A CN105443146B CN 105443146 B CN105443146 B CN 105443146B CN 201510975443 A CN201510975443 A CN 201510975443A CN 105443146 B CN105443146 B CN 105443146B
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- China
- Prior art keywords
- shaped beam
- shaped
- erector
- curved plate
- joint
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
Abstract
The invention discloses U-shaped beam erecting device and method in a kind of shield formula TBM, including the U-shaped beam erector being arranged in tunnel, described U-shaped beam erector is cylindrical shape, some curved plates are fixed with the outer of U-shaped beam erector, described curved plate composition radius of curvature is equal to the cylinder of U-shaped beam erector external diameter, the outside of curved plate is provided with some U-shaped beams, and adjacent U-shaped beam is connected by joint.The present invention can solve the problems, such as that TBM erectors cause U-shaped beam can not be close to hole wall, joint connection loosely with excavating hole wall and mismatching, and can significantly improve the stress of U-shaped beam, give full play to its supporting performance；The installation effectiveness of U-shaped beam can be effectively improved simultaneously, and then improves TBM drivage efficiency.
Description
Technical field
The present invention relates to a kind of TBM tunnel supports technology, and in particular in a kind of shield formula TBM U-shaped beam erecting device and
Method.
Background technology
TBM Tunnel Constructions are due to the advantage such as speed of application is fast, construction environment dust is small, in water power diversion tunnel
Hole, rail-road traffic tunnel construction in be widely applied.In TBM work progress, as cutterhead constantly tunnels forward, open
Digging face is constantly disclosed for from TBM shields rear, and now need to disclose area in country rock carries out once supporting operation.Once supporting efficiency is not
The only stabilization of relation country rock and the safety of personnel, also directly influence TBM driving speed.Present shield formula TBM U-shaped beam peace
Dress device is located on the inside of shield, and the assembling of U-shaped beam is carried out on the inside of erector.Because erector size is less than chi in country rock excavation
It is very little, cause the assembled U-shaped beam radian of the domain completed to be mismatched with excavating hole wall, have a strong impact on the installation effectiveness and work of U-shaped beam
Make performance.Therefore, it is badly in need of researching and developing a kind of erecting device and method of U-shaped beam, to improve the assembled efficiency of U-shaped beam and workability
Energy.
The content of the invention
It is an object of the invention to provide U-shaped beam erecting device and method in a kind of shield formula TBM, to solve shield formula
U-shaped beam erector radian can solve TBM erectors with excavating hole wall with excavating the unmatched problem of hole wall, the present invention in TBM
The problem of mismatch causes U-shaped beam can not be close to hole wall, joint connection loosely, the stress of U-shaped beam can be significantly improved, is filled
Its supporting performance is waved in distribution；The installation effectiveness of U-shaped beam can be effectively improved simultaneously, and then improves TBM drivage efficiency.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
U-shaped beam erecting device in a kind of shield formula TBM, including the U-shaped beam erector being arranged in tunnel, described is U-shaped
Beam erector is cylindrical shape, and some curved plates, described curved plate composition curvature are fixed with the outer of U-shaped beam erector
Radius is equal to the cylinder of U-shaped beam erector external diameter, and the outside of curved plate is provided with some U-shaped beams, and adjacent U-shaped beam passes through joint
Connection.
Further, the country rock at the top of U-shaped beam erector and tunnel is provided with protection shield between excavating wall.
Further, described curved plate totally ten two.
Further, the both ends of each curved plate and the angle of its center of curvature line are 30 °.
Further, totally six, described U-shaped beam.
Further, described curved plate is fixed by the outer of welding manner and U-shaped beam erector.
U-shaped beam installation method in a kind of shield formula TBM, comprises the following steps：
Step 1：Some curved plates are welded at the rear of U-shaped beam erector, curved plate composition radius of curvature is equal to U
The cylinder of type beam erector external diameter；
Step 2：The wherein one U-shaped beam of section is placed on the curved plate of bottom；Then rotary U-type beam erector will
The U-shaped beam being placed on curved plate goes to side, concedes the installing space of adjacent U-shaped beam；Will on the installing space conceded
Adjacent U-shaped beam is placed on curved plate, and two adjacent curved plates are connected by joint；According to this by all U-shaped beams in a ring
And joint installation, form the U-shaped beam of the domain；
Step 3：The U-shaped beam of the domain being completed is hauled out, the U-shaped beam of the domain is excavated wall with country rock by adjusting joint
Face is brought into close contact.
Further, the country rock at the top of U-shaped beam erector and tunnel is provided with protection shield between excavating wall.
Further, described curved plate totally ten two, the both ends of each curved plate and its center of curvature line
Angle is 30 °；The U-shaped beam of the domain includes six U-shaped beams.
Further, in step 2 during rotary U-type beam erector, each direction of rotation is identical, each rotation radian
For a radian sum for saving U-shaped beam and a joint.
Compared with prior art, the present invention has technique effect beneficial below：
Apparatus of the present invention change the connection arc of the U-shaped beam of the domain by fixing curved plate at U-shaped beam erector rear
Degree, solving U-shaped beam erector and being mismatched with U-shaped beam radian causes U-shaped beam assembling difficult, and hole can not be close to after being completed
The problem of wall, joint are connected loosely, the device can significantly improve the stress of U-shaped beam, give full play to its supporting performance；Together
When can effectively improve the installation effectiveness of U-shaped beam, and then improve TBM drivage efficiency.
Further, the country rock at the top of U-shaped beam erector and tunnel sets protection shield between excavating wall, can prevent
Country rock discloses area's landslide and falling rocks, effectively protects the safety of supporting construction personnel and plant equipment.
The inventive method welds some curved plates, curved plate composition radius of curvature etc. at the rear of U-shaped beam erector
In the cylinder of U-shaped beam erector external diameter；Then the wherein one U-shaped beam of section is placed on the curved plate of bottom；Then U is rotated
The U-shaped beam being placed on curved plate is gone to side by type beam erector, concedes the installing space of adjacent U-shaped beam；What is conceded
It will abut against U-shaped beam on installing space to be placed on curved plate, two adjacent curved plates are connected by joint；According to this by a ring
Interior all U-shaped beams and joint installation, form the U-shaped beam of the domain；Finally the U-shaped beam of the domain being completed is hauled out, passes through tune
Whole joint makes the U-shaped beam of the domain be brought into close contact with country rock excavation wall, can solve TBM erectors and excavate hole wall and mismatch to cause
The problem of U-shaped beam can not be close to hole wall, joint connection loosely.The stress of U-shaped beam can be significantly improved, gives full play to its branch
Protect performance；The installation effectiveness of U-shaped beam can be effectively improved simultaneously, and then improves TBM drivage efficiency.
Further, during rotary U-type beam erector, each direction of rotation is identical, and each rotation radian is that a section is U-shaped
The radian sum of beam and a joint, ensure that installation accuracy.
Brief description of the drawings
Fig. 1 is the formal figure of U-shaped beam installation of the present invention；
The U-shaped beam that Fig. 2 is the present invention installs side view.
Wherein, 1, U-shaped beam erector；2nd, curved plate；3rd, U-shaped beam；4th, joint；5th, shield is protected；6th, country rock excavates wall.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1 to Fig. 2, U-shaped beam erecting device in a kind of shield formula TBM, including the U-shaped beam installation being arranged in tunnel
Device 1, the country rock at the top of U-shaped beam erector 1 and tunnel are provided with protection shield 5 between excavating wall 6, and described U-shaped beam erector 1 is
Cylindrical shape, is welded with 12 curved plates 2 on the outer of U-shaped beam erector 1, the both ends of each curved plate 2 and its
The angle of center of curvature line is 30 °, and described curved plate 2 composition radius of curvature is equal to the circle of the U-shaped external diameter of beam erector 1
Cylinder, the outside of curved plate 2 are provided with six U-shaped beams 3, and adjacent U-shaped beam 3 is connected by joint 4.
U-shaped beam installation method in a kind of shield formula TBM, comprises the following steps：
Step 1：Country rock at the top of U-shaped beam erector 1 and tunnel sets protection shield 5 between excavating wall 6, in U-shaped beam
12 curved plates 2 are welded at the rear of erector 1, and the both ends of each curved plate 2 and the angle of its center of curvature line are equal
For 30 °, curved plate 2 forms the cylinder that radius of curvature is equal to the U-shaped external diameter of beam erector 1；
Step 2：The wherein one U-shaped beam 3 of section is placed on the curved plate 2 of bottom；Then rotary U-type beam erector 1
The U-shaped beam 3 being placed on curved plate 2 is gone into side, rotation radian be one save U-shaped beam 3 and a joint 4 radian it
With concede the installing space of adjacent U-shaped beam 3；U-shaped beam 3 is will abut against on the installing space conceded to be placed on curved plate 2,
Two adjacent curved plates 2 are connected by joint 4；According to this by six in a ring U-shaped beams 3 and the installation of corresponding joints 4, formed
The U-shaped beam of the domain, direction of rotation during each rotary U-type beam erector 1 are identical；
Step 3：The U-shaped beam of the domain being completed is hauled out, the U-shaped beam of the domain is excavated wall with country rock by adjusting joint 4
Face 6 is brought into close contact.
The operating process to the present invention is described in detail below：
The present embodiment is by taking diameter 8.5m TBM tunnels as an example, and U-shaped beam erector 1 is cylindrical shape, and internal diameter is about 8.04 meters,
Wall thickness 30mm, external diameter are about 8.1m；Using 36U shaped steel, totally 6 the U-shaped beam 3 of annular is saved in a ring, two adjacent sections is overlapped, joint
4 length are 600mm, joint height about 220mm.
Because U-shaped beam design radian is identical with country rock excavation wall 6, and the internal diameter 8.04m of U-shaped beam erector 1 is less than country rock
The internal diameter 8.5m of wall 6 is excavated, is found in the installation process of reality due to the mismatch of both radians, U-shaped beam 3 is in U-shaped beam
Cyclization is difficult in erector 1, and joint 4 connects insecure.After the U-shaped cyclization of beam 3 releases protection shield 5, U-shaped beam 3 can not be with hole wall
Preferably it is bonded, has had a strong impact on the service behaviour of efficiency of construction and U-shaped beam.
The present invention installs in the following way：
1st, curved plate welds：Curved plate 2 is that 300mm steel plates are process by length, by steel plate bending camber simultaneously
Make its curvature identical with the U-shaped external diameter of erector 1.It is spliced in view of a ring by the 6 U-shaped beams 3 of section, curved plate takes 6 groups, every group
2 totally 12, each curved plate angle is 30 degree.Curved plate 2 is soldered to the U-shaped rear end of beam erector 1, and made outside both
Flush.
2nd, U-shaped beam splicing：No. 1 U-shaped beam is placed on two curved plates 2 of bottom, after the completion of placement clockwise
About 60 degree of rotary U-type erector 1, concedes bottom installing space.No. 2 U-shaped beams are placed on to two curved plates 2 of bottom
On, No. 2 U-shaped beams and No. 1 U-shaped beam overlap joint 600mm.In overlap erection joint 4.U-shaped erector 1 is turned clockwise again about
60 degree, the overlap joint that No. 2 U-shaped beams and No. 3 U-shaped beams are carried out using above-mentioned same method is installed with joint.Using same method
Remaining U-shaped beam is installed until domain splicing is completed.
The U-shaped beam installation of the domain：After the completion for the treatment of the U-shaped beam splicing of a domain, the U-shaped back of the domain is risen with trailer and hauls out protection
Shield 5, then withstand on country rock and excavate wall 6, the U-shaped beam of the domain is close on country rock excavation wall 6 by adjusting joint 4.
Claims (8)
1. U-shaped beam erecting device in a kind of shield formula TBM, it is characterised in that including the U-shaped beam erector being arranged in tunnel
(1), the country rock at the top of U-shaped beam erector (1) and tunnel is provided with protection shield (5), described U-shaped beam peace between excavating wall (6)
Device (1) is filled as cylindrical shape, some curved plates (2), described curved plate (2) are welded with the outer of U-shaped beam erector (1)
The cylinder that radius of curvature is equal to U-shaped beam erector (1) external diameter is formed, the outside of curved plate (2) is provided with some U-shaped beams (3), phase
Adjacent U-shaped beam (3) is connected by joint (4).
2. U-shaped beam erecting device in a kind of shield formula TBM according to claim 1, it is characterised in that described arc-shaped steel
Plate (2) totally ten two.
3. U-shaped beam erecting device in a kind of shield formula TBM according to claim 2, it is characterised in that each curved plate
(2) both ends and the angle of its center of curvature line are 30 °.
4. U-shaped beam erecting device in a kind of shield formula TBM according to claim 1, it is characterised in that described U-shaped beam
(3) totally six.
5. U-shaped beam installation method in a kind of shield formula TBM, it is characterised in that comprise the following steps：
Step 1：Some curved plates (2), curved plate (2) composition radius of curvature are welded at the rear of U-shaped beam erector (1)
Equal to the cylinder of U-shaped beam erector (1) external diameter；
Step 2：The wherein one U-shaped beam (3) of section is placed on the curved plate (2) of bottom；Then rotary U-type beam erector
(1) the U-shaped beam (3) being placed on curved plate (2) is gone into side, concedes the installing space of adjacent U-shaped beam (3)；Conceding
Installing space on will abut against U-shaped beam (3) and be placed on curved plate (2), two adjacent curved plates (2) pass through joint (4)
Connection；According to this by all U-shaped beams (3) and joint (4) installation in a ring, the U-shaped beam of the domain is formed；
Step 3：The U-shaped beam of the domain being completed is hauled out, the U-shaped beam of the domain is excavated wall with country rock by adjusting joint (4)
(6) it is brought into close contact.
6. U-shaped beam installation method in a kind of shield formula TBM according to claim 5, it is characterised in that U-shaped beam erector
(1) country rock and at the top of tunnel is provided with protection shield (5) between excavating wall (6).
7. U-shaped beam installation method in a kind of shield formula TBM according to claim 5, it is characterised in that described arc-shaped steel
Plate (2) totally ten two, the both ends of each curved plate (2) and the angle of its center of curvature line are 30 °；The U-shaped Liang Bao of the domain
Include six U-shaped beams (3).
8. U-shaped beam installation method in a kind of shield formula TBM according to claim 5, it is characterised in that rotated in step 2
During U-shaped beam erector (1), each direction of rotation is identical, and each rotation radian is a U-shaped beam (3) of section and a joint (4)
Radian sum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975443.7A CN105443146B (en) | 2015-12-22 | 2015-12-22 | U-shaped beam erecting device and method in a kind of shield formula TBM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975443.7A CN105443146B (en) | 2015-12-22 | 2015-12-22 | U-shaped beam erecting device and method in a kind of shield formula TBM |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443146A CN105443146A (en) | 2016-03-30 |
| CN105443146B true CN105443146B (en) | 2017-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510975443.7A Active CN105443146B (en) | 2015-12-22 | 2015-12-22 | U-shaped beam erecting device and method in a kind of shield formula TBM |
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| Country | Link |
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| CN (1) | CN105443146B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111764915B (en) * | 2020-07-02 | 2022-07-19 | 中铁十四局集团有限公司 | Installation method of shield tail of shield machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799824A (en) * | 1986-07-25 | 1989-01-24 | Tekken Construction Co., Ltd. | Method of making covering wall of tunnel made by shield type excavator |
| JPH0726881A (en) * | 1993-07-09 | 1995-01-27 | Taisei Corp | Excavation device |
| CN202194664U (en) * | 2011-08-25 | 2012-04-18 | 四川二滩国际工程咨询有限责任公司 | Rebar bent installation device for tunneling machine |
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| CN204532358U (en) * | 2015-03-06 | 2015-08-05 | 中铁工程装备集团有限公司 | A kind of open type TBM with section of jurisdiction installation function |
| CN205387944U (en) * | 2015-12-22 | 2016-07-20 | 中国葛洲坝集团第三工程有限公司 | U type roof beam installation device among shield formula TBM |
-
2015
- 2015-12-22 CN CN201510975443.7A patent/CN105443146B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4799824A (en) * | 1986-07-25 | 1989-01-24 | Tekken Construction Co., Ltd. | Method of making covering wall of tunnel made by shield type excavator |
| JPH0726881A (en) * | 1993-07-09 | 1995-01-27 | Taisei Corp | Excavation device |
| CN202194664U (en) * | 2011-08-25 | 2012-04-18 | 四川二滩国际工程咨询有限责任公司 | Rebar bent installation device for tunneling machine |
| CN103557013A (en) * | 2013-11-06 | 2014-02-05 | 王静 | Annular steel structure supporting construction method with open type TBM (tunnel boring machine) |
| CN204532358U (en) * | 2015-03-06 | 2015-08-05 | 中铁工程装备集团有限公司 | A kind of open type TBM with section of jurisdiction installation function |
| CN205387944U (en) * | 2015-12-22 | 2016-07-20 | 中国葛洲坝集团第三工程有限公司 | U type roof beam installation device among shield formula TBM |
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| Publication number | Publication date |
|---|---|
| CN105443146A (en) | 2016-03-30 |
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