CN110454178A - It is originated in large-diameter shield auger with counter-force structure production method and counter-force structure - Google Patents
It is originated in large-diameter shield auger with counter-force structure production method and counter-force structure Download PDFInfo
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- CN110454178A CN110454178A CN201910838131.XA CN201910838131A CN110454178A CN 110454178 A CN110454178 A CN 110454178A CN 201910838131 A CN201910838131 A CN 201910838131A CN 110454178 A CN110454178 A CN 110454178A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005452 bending Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 238000005520 cutting process Methods 0.000 claims description 15
- 239000004567 concrete Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000003466 welding Methods 0.000 description 10
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
It originates in a kind of large-diameter shield auger with counter-force structure production method, including tunnel inner wall setting can bending the first connector and the first diagonal rib supporting element, bending can bending the first connector, enter large-diameter shield machine in shield auger after originating location, straightening can bending the first connector, to counter-force lower half structure after the rear of originating location is built in shield auger；To setting above counter-force lower half structure there is counter-force face and the rear of the first support diagonal rib to support diagonal rib to be fixedly connected with the first diagonal rib supporting element to counter-force upper half structure, first rear.It originates in a kind of large-diameter shield auger with counter-force structure, including the backward counter-force lower half structure and backward counter-force upper half structure being fixedly connected for tunnel inner wall, and the second diagonal rib supporting element for connecting the backward counter-force lower half structure and backward counter-force upper half structure.It can satisfy in large-diameter shield auger and originates needs, can save the time for originating operation.
Description
Technical field
The present invention relates to tunnel shield driving technical fields, and in particular to originates in a kind of large-diameter shield auger and uses counter-force
Structure production method and counter-force structure.
Background technique
During tunnel shield launching, counter-force support frame plays very important effect.Shield launching environment can at present
To be summarised as three kinds: vertical shaft originates, station originates and originates with tunnel.Vertical shaft and station originate it is relatively conventional, since it is installed
Space is big, and benchmark steel loop can be used and be equipped with the components such as the biggish rectangular frame of volume, and it is preferable that such originates stability, provides anti-
Power is larger.And originate in tunnel and usually limited by headroom, conventional counterforce device volume is larger, and assembling and demolishing process cannot lead to
It crosses ground lifting machine to be cooperated, not only expends a large amount of manpowers, but also to tear the time open also longer for peace.Therefore, it is encountering in tunnel
When originating case, reaction frame need to suitably be reequiped, tear efficiency open to improve counterforce structure stability and peace.
The Chinese patent literature CN204327103U for being disclosed on May 13rd, 2015 describes one kind to be begun for tunneling shield
The reaction frame of hair, including the horizontally-supported and multiple fashioned iron bearing diagonal of benchmark steel loop, steel pipe bearing diagonal, steel pipe, in benchmark steel loop
Outer rim scattering device has the fashioned iron fixing piece of more with the pre-embedded steel slab welding in Tunnel Second Lining；Steel pipe bearing diagonal, steel pipe
Horizontally-supported and multiple fashioned iron bearing diagonals are welded on the benchmark steel loop one side opposite towards shield machine, the horizontally-supported welding of steel pipe
In the lower part of benchmark steel loop, and it is vertical with the plane where benchmark steel loop, and steel pipe bearing diagonal is welded on the middle part of benchmark steel loop, and
Inclined with the plane where benchmark steel loop, multiple fashioned iron bearing diagonals are distributed along the ring body of benchmark steel loop.The technical side
Case should not simultaneously be using the counterforce device to originate in large-diameter shield auger, reason: it is big in diameter shield machine digging section,
Reaction force is strong, and the tie point of benchmark steel loop and Tunnel Second Lining is fashioned iron fixing piece and steel pipe bearing diagonal, can with by
Reaction force is limited.
Summary of the invention
The technical problem to be solved by the present invention is to how provide a kind of basis originated in realization large-diameter shield auger
It is upper to save the shield launching reaction frame for originating operation time, for this purpose, the present invention provides a kind of large-diameter shield auger
It inside originates and is originated in counter-force structure production method, a kind of large-diameter shield auger with counter-force structure.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
It designs and originates in a kind of large-diameter shield auger with counter-force structure production method, comprising the following steps:
At the rear for corresponding to originating location in shield auger, in the lower half of tunnel inner wall, fixed setting protrudes from tunnel inner wall
Can bending the first connector, tunnel inner wall the upper half fixed setting be exposed to tunnel inner wall the first diagonal rib support
Part, bending can bending the first connector the part for protruding from tunnel inner wall so that large-diameter shield machine and auxiliary facility energy
Enough enter originating location in shield auger；
Enter in shield auger after originating location after large-diameter shield machine and auxiliary facility, straightening can bending the first connector,
The rear of originating location, which is built, in shield auger corresponds to the rear to counter-force lower half structure, institute of large-diameter shield machine lower half
State can the first connector of bending be fixedly connected with the backward counter-force lower half structure；
After described to after being arranged above counter-force lower half structure to counter-force upper half structure, the backward counter-force upper half structure
With counter-force face and the first support diagonal rib, the first support diagonal rib is fixedly connected with the first diagonal rib supporting element.
It preferably, further include being constructed using after the connection of the second connector to counter-force upper half structure and backward counter-force lower half
Object, second connector include the second support diagonal rib, the upper end of the second support diagonal rib and the backward counter-force upper half structure
Divine force that created the universe support connection, the lower end of the second support diagonal rib and the backward counter-force lower half structure support connect.
Further, the backward counter-force upper half structure the thickness of tunnel axial direction be less than it is described after to counter-force lower half structure
The upper end of the thickness of the divine force that created the universe, the second support diagonal rib is fixed on the rear wall of the backward counter-force upper half structure, and second
The lower end of support diagonal rib is fixed on the backward counter-force lower half structure and protrudes from the backward counter-force upper half structure part
On roof.
Further, it is equipped with after described on the top surface of counter-force lower half structure for supporting diagonal rib with described second
The second diagonal rib supporting element being fixedly connected, the second diagonal rib supporting element with it is described can the first connector of bending be fixedly connected.
Preferably, be equipped with lining cutting in the tunnel, it is described can the first connector of bending, the first diagonal rib supporting element correspondence
Part is embedded in the lining cutting；The backward counter-force lower half structure includes concrete body, straightening can bending
Before a connection piece, form the surface of the lining cutting inner wall being correspondingly connected with the backward counter-force lower half structure coarse
Face.
Preferably, the backward counter-force lower half structure, backward counter-force upper half structure all have axially extending in tunnel
Arc groove, and the backward counter-force lower half structure, backward counter-force upper half structure are enclosed circular cross section.
Preferably, the first diagonal rib supporting element includes being used to form the steel plate of supporting surface and for being inserted into the tunnel
The holdfast of wall, the holdfast are connect with the Interal fixation；It is described can the first connector of bending include reinforcing bar.
Preferably, the tunnel has u-shaped cross-section, and the top surface of the backward counter-force lower half structure is arranged described
At the haunch and vault tie point of u-shaped cross-section.
It is originated in a kind of large-diameter shield auger with counter-force structure, it is backward anti-including being fixedly connected for tunnel inner wall
Power lower half structure, the backward counter-force upper half structure being fixedly connected for tunnel inner wall, and it is described backward anti-for connecting
Second diagonal rib supporting element of power lower half structure and backward counter-force upper half structure.
Preferably, the reversed counter-force lower half structure includes reinforced concrete construction object, the backward counter-force lower half structure
The divine force that created the universe by can the first connector of bending be fixedly connected with the tunnel inner wall, be also fixedly connected on the tunnel inner wall
First diagonal rib supporting element, the backward counter-force upper half structure have counter-force face and the first support diagonal rib, and first support is oblique
Rib is fixedly connected with the first diagonal rib supporting element.
Compared with prior art, the beneficial effects of the present invention are:
(1) backward counter-force lower half structure is fixedly connected with tunnel inner wall, is able to bear bigger reaction force, and stress is steady
It is fixed, deform small, safety coefficient is high, can satisfy in large-diameter shield auger and originates needs.Due to large-diameter shield machine and mating
Trailer enters in shield auger to be needed to assemble after originating location, and backward counter-force lower half structure, backward counter-force upper half structure,
The fabrication and installation of bearing diagonal part can be completed during this period, can save the time for originating operation.
(2) when backward counter-force lower half structure, backward counter-force upper half structure are enclosed circular cross section, it can be participated in
Pressure maintaining sealing during being originated in large-diameter shield auger, and originate in large-diameter shield auger and do not needed with counter-force structure
It removes.
Detailed description of the invention
Fig. 1 is built-in in tunnel with counter-force structure production method using originating in a kind of large-diameter shield auger of the present invention
Structural schematic diagram after making secondary lining.
Fig. 2 is to originate with counter-force structure production method using in a kind of large-diameter shield auger of the present invention in secondary lining
It is interior to build the structural schematic diagram originated in large-diameter shield auger with counter-force structure.
Fig. 3 is longitudinal cross-section diagram of Fig. 2.
In figure, 11- tunnel encloses soil, 12- secondary lining, 13- shield launching guide table, 131- shield machine track, and 21- can roll over
The first curved connector, to counter-force lower half structure, 23- the second diagonal rib supporting element, 31- the first diagonal rib supporting element, 32- after 22-
Backward counter-force upper half structure, 321- top plate, 322- floor, 4- the second diagonal rib supporting element, 41- top plate, 42- ribbed pipe, 5- are straight greatly
Diameter shield machine.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.
Embodiment 1: it is originated in a kind of large-diameter shield auger with counter-force structure, referring to Fig. 1-3, including in tunnel
Backward counter-force lower half structure 22 that wall (that is to say that tunnel encloses soil 11 or Wall Rock of Tunnel) is fixedly connected is fixed for tunnel inner wall
The backward counter-force upper half structure 32 of connection, as needed, originating in large-diameter shield auger can also be wrapped with counter-force structure
Include for after connecting to the second diagonal rib supporting element 42 of counter-force lower half structure 22 and backward counter-force upper half structure 32.
Preferably, reversed counter-force lower half structure 22 includes reinforced concrete construction object, backward counter-force lower half structure 22
By can the first connector 21 of bending be fixedly connected with tunnel inner wall, the first diagonal rib branch is also fixedly connected on tunnel inner wall
Support member 31, backward counter-force upper half structure 32 have counter-force face and the first support diagonal rib 322, the first support diagonal rib 322 and first
Diagonal rib supporting element 31 is fixedly connected.
Embodiment 2: originating in large-diameter shield auger described in a kind of embodiment 1 with counter-force structure production method,
In the present embodiment, tunnel inner wall is formed by Wall Rock of Tunnel, referring to Fig. 1-3, comprising the following steps:
At the rear for corresponding to originating location in shield auger, in the lower half of tunnel inner wall, fixed setting protrudes from tunnel inner wall
Can bending the first connector 21, can the first connector 21 of bending can choose reinforcing bar, it is solid in the upper half of tunnel inner wall
Fixed setting is exposed to the first diagonal rib supporting element 31 of tunnel inner wall, and the first diagonal rib supporting element 31 can choose steel plate, in steel plate
It is welded with the holdfast for being inserted into tunnel inner wall on one side, the mode of fixed setting is usually to drill on tunnel inner wall, can be rolled over
The first curved connector 21 or holdfast are inserted into corresponding drilling, and then the materials such as casting concrete, binder into drilling, make
Can bending the first connector 21 or holdfast be fixedly connected with tunnel inner wall, for the first diagonal rib supporting element 31, to holdfast and tunnel
After hole inner wall is fixedly connected, it is also necessary to after so that the surface of steel plate is fitted in tunnel inner wall, steel plate and holdfast are welded and fixed.
Bending can bending the first connector 21 the part for protruding from tunnel inner wall, so as to large-diameter shield machine 5 and match
Set facility is able to enter originating location in shield auger, in general, need by can the first connector 21 of bending be folded into fitting
The degree of tunnel inner wall, but the degree of other shapes or needs can also be bent into；
Enter in shield auger after originating location after large-diameter shield machine 5 and auxiliary facility, straightening can bending the first connector
21, the rear of originating location, which is built, in shield auger corresponds to the rear to counter-force lower half construction of 5 lower half of large-diameter shield machine
Object 22, can the first connector 21 of bending be fixedly connected with backward counter-force lower half structure 22；
Rear to, to counter-force upper half structure 32, backward counter-force upper half structure 32 has after being arranged above counter-force lower half structure 22
There are counter-force face and the first support diagonal rib 322, the first support diagonal rib 322 is fixedly connected with the first diagonal rib supporting element 31.
Preferably, backward counter-force upper half structure 32 includes fan-shaped ring flat-plate and the first support diagonal rib 322, and fan-shaped ring flat-plate can be with
Be structure as a whole, fan-shaped ring flat-plate can be provided entirely in after to the top of counter-force lower half structure 22, can also partially be arranged in
The top of backward counter-force lower half structure 22, for example, fan-shaped ring flat-plate lower part fit in after to before counter-force lower half structure 22
Side, in this way, the active force that the lower part of fan-shaped ring flat-plate is subject to can be transmitted to after on counter-force lower half structure 22.Fan-shaped ring flat-plate
Plurality of steel plates can also be used, these steel plates are distributed setting on anchor ring, and every block of steel plate passes through the first support diagonal rib 322 and first
Diagonal rib supporting element 31 is fixedly connected.Fan-shaped ring flat-plate can choose steel plate, and the first diagonal rib supporting element 31 can choose steel plate, in this way,
Diagonal rib 322 and fan-shaped ring flat-plate can be supported to be fixed together the first diagonal rib supporting element 31, first by the way of welding.
Preferably, tunnel has u-shaped cross-section, and the top surface of backward counter-force lower half structure 22 is arranged in u-shaped cross-section
Haunch and vault tie point at.
Embodiment 3: it is originated in a kind of large-diameter shield auger with counter-force structure production method, as to embodiment 2
It is further improved, further includes after being connected using the second connector 4 to counter-force upper half structure 32 and backward counter-force lower half structure
22, the second connector 4 includes the second support diagonal rib 42, and second supports the upper end of diagonal rib 42 and backward counter-force upper half structure 32
Support connection, the lower end of the second support diagonal rib 42 and the support of backward counter-force lower half structure 22 connect.Support connection can by with
Under type is realized: being achieved a fixed connection using non-dismountable modes such as welding, is realized and fixed using removablies such as limiting sections
Connection realizes support connection by fitting abutment, due to being supported using the second support diagonal rib 42, so the second support diagonal rib
42 with backward counter-force lower half structure 22, backward counter-force upper half structure 32 supporting point there can be no make support fail cunning
It is dynamic.
Further, backward counter-force upper half structure 32 is after the thickness of tunnel axial direction is less than to counter-force lower half structure 22
Thickness, second support diagonal rib 42 upper end be fixed on after on the rear wall of counter-force upper half structure 32, second support diagonal rib
42 lower end protruded from after being fixed on to counter-force lower half structure 22 after on the roof of 32 part of counter-force upper half structure.
Further, when after construction to counter-force lower half structure 22, in the rear top surface to counter-force lower half structure 22
On be embedded with for second the second diagonal rib supporting element 23 for being fixedly connected of support diagonal rib 42.As needed, the second diagonal rib supports
Part 23 with can bending the first connector 21 binding, welding etc. modes achieve a fixed connection；Second diagonal rib supporting element 23 can also be with
With in concrete structure body structure reinforcing bars binding, welding etc. modes achieve a fixed connection.Second diagonal rib supporting element 23 can select
Steel plate is selected, at this moment holdfast can also be set in the side of steel plate, holdfast can be embedded in concrete structure body.
Embodiment 4: originating in large-diameter shield auger described in a kind of embodiment 1 with counter-force structure production method,
In the present embodiment, tunnel inner wall is to enclose soil by tunnel to be formed, here, it is necessary to lining cutting is built in tunnel, lining cutting is also just right
It should be in tunnel inner wall, referring to Fig. 1-3, comprising the following steps:
In tunnel when lining for building (generally secondary lining), at the rear for corresponding to originating location in shield auger, serving as a contrast
The lower half of block is pre-buried protrude from lining cutting surface can bending the first connector 21, can the first connector 21 of bending can select
Reinforcing bar is selected, pre-buried setting is exposed to the first diagonal rib supporting element 31 on lining cutting surface, the first diagonal rib supporting element in the upper half of lining cutting
31 can choose steel plate, in the holdfast of steel plate being welded on one side for being embedded to lining cutting, after lining cutting initial set, can bending first
Connector 21 and holdfast are just fixed together with lining cutting.
Bending can bending the first connector 21 the part for protruding from tunnel inner wall, so as to large-diameter shield machine 5 and match
Set facility is able to enter originating location in shield auger, in general, need by can the first connector 21 of bending be folded into fitting
The degree of tunnel inner wall, but the degree of other shapes or needs can also be bent into；
Enter in shield auger after originating location after large-diameter shield machine 5 and auxiliary facility, straightening can bending the first connector
21.The rear of originating location, which is built, in shield auger corresponds to the rear to counter-force lower half construction of 5 lower half of large-diameter shield machine
Object 22, backward counter-force lower half structure 22 can be the concrete body for pouring and being formed, the structural steel in concrete structure body
Muscle can with can the modes such as the first connector 21 binding of bending, welding be fixedly connected, can bending the first connector 21 with after
It is fixedly connected to counter-force lower half structure 22；Preferably, straightening can before the first connector 21 of bending, preferably make lining cutting with
The surface that backward counter-force lower half structure 22 is correspondingly connected with forms rough surface, is formed for example, by using common dabbing method coarse
Face.
It is rear to after being arranged above counter-force lower half structure 22 to counter-force upper half structure 32, backward counter-force upper half structure
32 have counter-force face and the first support diagonal rib 322, and the first support diagonal rib 322 is fixedly connected with the first diagonal rib supporting element 31.
Preferably, backward counter-force lower half structure 22, backward counter-force upper half structure 32 all have axially extending in tunnel
Arc groove, and backward counter-force lower half structure 22, backward counter-force upper half structure 32 are enclosed circular cross section.
Embodiment 5: it is originated in a kind of large-diameter shield auger with counter-force structure production method, as to embodiment 4
It is further improved, further includes after being connected using the second connector 4 to counter-force upper half structure 32 and backward counter-force lower half structure
22, the second connector 4 includes the second support diagonal rib 42, and second supports the upper end of diagonal rib 42 and backward counter-force upper half structure 32
Support connection, the lower end of the second support diagonal rib 42 and the support of backward counter-force lower half structure 22 connect.Support connection can by with
Under type is realized: being achieved a fixed connection using non-dismountable modes such as welding, is realized and fixed using removablies such as limiting sections
Connection realizes support connection by fitting abutment, due to being supported using the second support diagonal rib 42, so the second support diagonal rib
42 with backward counter-force lower half structure 22, backward counter-force upper half structure 32 supporting point there can be no make support fail cunning
It is dynamic.
Further, backward counter-force upper half structure 32 is after the thickness of tunnel axial direction is less than to counter-force lower half structure 22
Thickness, second support diagonal rib 42 upper end be fixed on after on the rear wall of counter-force upper half structure 32, second support diagonal rib
42 lower end protruded from after being fixed on to counter-force lower half structure 22 after on the roof of 32 part of counter-force upper half structure.
Further, when after construction to counter-force lower half structure 22, in the rear top surface to counter-force lower half structure 22
On be embedded with for second the second diagonal rib supporting element 23 for being fixedly connected of support diagonal rib 42.As needed, the second diagonal rib supports
Part 23 with can bending the first connector 21 binding, welding etc. modes achieve a fixed connection；Second diagonal rib supporting element 23 can also be with
With in concrete structure body structure reinforcing bars binding, welding etc. modes achieve a fixed connection.Second diagonal rib supporting element 23 can select
Steel plate is selected, at this moment holdfast can also be set in the side of steel plate, holdfast can be embedded in concrete structure body.
In embodiment 4 and embodiment 5, mixed used in concrete material used in lining cutting and backward counter-force lower half structure 22
Solidifying earth material is preferably identical.
In embodiment 1-5, referring to fig. 2, backward counter-force lower half structure 22 and backward counter-force upper half structure 32 it is interior
Circle needs to be less than the outer diameter of large-diameter shield machine 5, and the axis of such counter-force hydraulic cylinder could be perpendicular to the machine of large-diameter shield machine
Tail surface, and the both ends of counter-force hydraulic cylinder compress the tail face of counter-force structure and large-diameter shield machine respectively.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is common variation range of the invention, is no longer described in detail one by one herein.
Claims (10)
1. being originated in a kind of large-diameter shield auger with counter-force structure production method, which comprises the following steps:
At the rear for corresponding to originating location in shield auger, in the lower half of tunnel inner wall, fixed setting protrudes from tunnel inner wall
Can bending the first connector, tunnel inner wall the upper half fixed setting be exposed to tunnel inner wall the first diagonal rib support
Part, bending can bending the first connector the part for protruding from tunnel inner wall so that large-diameter shield machine and auxiliary facility energy
Enough enter originating location in shield auger；
Enter in shield auger after originating location after large-diameter shield machine and auxiliary facility, straightening can bending the first connector,
The rear of originating location, which is built, in shield auger corresponds to the rear to counter-force lower half structure, institute of large-diameter shield machine lower half
State can the first connector of bending be fixedly connected with the backward counter-force lower half structure；
After described to after being arranged above counter-force lower half structure to counter-force upper half structure, the backward counter-force upper half structure
With counter-force face and the first support diagonal rib, the first support diagonal rib is fixedly connected with the first diagonal rib supporting element.
2. being originated in large-diameter shield auger as described in claim 1 with counter-force structure production method, which is characterized in that also
Including after using the second connector to connect to counter-force upper half structure and backward counter-force lower half structure, the second connector packet
Including the second support diagonal rib, the upper end of the second support diagonal rib and the backward counter-force upper half structure support connect, and described the
The lower end of two support diagonal ribs and the backward counter-force lower half structure support connect.
3. being originated in large-diameter shield auger as claimed in claim 2 with counter-force structure production method, which is characterized in that institute
After stating to counter-force upper half structure tunnel axial direction thickness be less than it is described after to counter-force lower half structure thickness, described second
The upper end of support diagonal rib is fixed on the rear wall of the backward counter-force upper half structure, and the lower end of the second support diagonal rib is fixed on
The backward counter-force lower half structure protrudes from the roof of the backward counter-force upper half structure part.
4. being originated in large-diameter shield auger as claimed in claim 3 with counter-force structure production method, which is characterized in that In
The top surface of the backward counter-force lower half structure is equipped with the second diagonal rib branch for being fixedly connected with the second support diagonal rib
Support member, the second diagonal rib supporting element with it is described can the first connector of bending be fixedly connected.
5. being originated in large-diameter shield auger as described in claim 1 with counter-force structure production method, which is characterized in that institute
State and be equipped with lining cutting in tunnel, it is described can the first connector of bending, the corresponding part of the first diagonal rib supporting element be embedded in the lining
In block；The backward counter-force lower half structure includes concrete body, can make institute before the first connector of bending in straightening
The surface being correspondingly connected with the backward counter-force lower half structure for stating lining cutting inner wall forms rough surface.
6. being originated in large-diameter shield auger as described in claim 1 with counter-force structure production method, which is characterized in that institute
All have the arc groove axially extending in tunnel to counter-force lower half structure, backward counter-force upper half structure after stating, and it is described after
Circular cross section is enclosed to counter-force lower half structure, backward counter-force upper half structure.
7. being originated in large-diameter shield auger as described in claim 1 with counter-force structure production method, which is characterized in that institute
Stating the first diagonal rib supporting element includes the steel plate for being used to form supporting surface and the holdfast for being inserted into the tunnel inner wall, the holdfast
It is connect with the Interal fixation；It is described can the first connector of bending include reinforcing bar.
8. being originated in large-diameter shield auger as described in claim 1 with counter-force structure production method, which is characterized in that institute
Tunnel is stated with u-shaped cross-section, the top surface of the backward counter-force lower half structure be arranged in the haunch of the u-shaped cross-section with
At vault tie point.
9. being originated in a kind of large-diameter shield auger with counter-force structure, which is characterized in that including for the fixed company of tunnel inner wall
The backward counter-force lower half structure connect, the backward counter-force upper half structure being fixedly connected for tunnel inner wall, and for connecting
Second diagonal rib supporting element of the backward counter-force lower half structure and backward counter-force upper half structure.
10. being originated in large-diameter shield auger as described in claim 1 with counter-force structure, which is characterized in that described reversed
Counter-force lower half structure includes reinforced concrete construction object, the backward counter-force lower half structure by can bending first connection
Part is fixedly connected with the tunnel inner wall, and the first diagonal rib supporting element is also fixedly connected on the tunnel inner wall, described backward
Counter-force upper half structure has counter-force face and the first support diagonal rib, and the first support diagonal rib and the first diagonal rib supporting element are solid
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838131.XA CN110454178B (en) | 2019-09-05 | 2019-09-05 | Method for manufacturing reaction structure for starting in large-diameter shield tunneling machine tunnel and reaction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838131.XA CN110454178B (en) | 2019-09-05 | 2019-09-05 | Method for manufacturing reaction structure for starting in large-diameter shield tunneling machine tunnel and reaction structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454178A true CN110454178A (en) | 2019-11-15 |
| CN110454178B CN110454178B (en) | 2021-08-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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