CN107178377A - Adapt to the Tunneling by mining method polycrystalline substance and its construction method of rapid construction passage - Google Patents
Adapt to the Tunneling by mining method polycrystalline substance and its construction method of rapid construction passage Download PDFInfo
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- CN107178377A CN107178377A CN201710552027.5A CN201710552027A CN107178377A CN 107178377 A CN107178377 A CN 107178377A CN 201710552027 A CN201710552027 A CN 201710552027A CN 107178377 A CN107178377 A CN 107178377A
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- inverted arch
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- arch structure
- tunnel contour
- polycrystalline substance
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- 238000010276 construction Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000005065 mining Methods 0.000 title claims abstract description 39
- 230000005641 tunneling Effects 0.000 title claims abstract description 37
- 239000000126 substance Substances 0.000 title claims abstract description 36
- 230000006978 adaptation Effects 0.000 claims abstract description 19
- 238000007569 slipcasting Methods 0.000 claims description 12
- 239000011083 cement mortar Substances 0.000 claims description 8
- 239000004567 concrete Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000011440 grout Substances 0.000 claims description 4
- 239000002689 soil Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000009412 basement excavation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000826860 Trapezium Species 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
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- 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
- E21D11/14—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 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a kind of Tunneling by mining method polycrystalline substance for adapting to rapid construction passage, inverted arch structure is provided with the lower circumference of the tunnel contour, top lining cutting is provided with the top circumferential inner of the tunnel contour, the upper surface of the inverted arch structure is provided with frame structure, the bottom of frame structure side wall is connected with the upper surface of the inverted arch structure, it is collectively forming lower layer space, other internal structures, the top circumference of the top of frame structure and the tunnel contour collectively forms sheaf space, so as to form the space structure at least including a lower layer space and a upper sheaf space.The invention also discloses the construction method of the Tunneling by mining method polycrystalline substance of the adaptation rapid construction passage.The Tunneling by mining method polycrystalline substance of the adaptation rapid construction passage of the present invention, by setting prefabricated inverted arch structure and pre-fabricated one to cooperate, it is quick to form vehicle and the construction passage of plant equipment, available for recovery vehicle and plant equipment are current rapidly after inverted arch is constructed.
Description
Technical field
The invention belongs to Tunneling by mining method field of engineering technology, and in particular to a kind of Mining Method of adaptation rapid construction passage
Tunnel bottom structure and its construction method.
Background technology
According to conventional Tunnel Engineering experience and theory, for guarantee structure safety and stably, Tunneling by mining method is generally required
Inverted arch is set in tunnel bottom, only bottom plate can be used in the good region of rock integrity, utilize inverted arch (bottom plate) and the lining on top
Build structure to combine to form Lining Ring, collectively form the permanent bearing structure of closing.Inverted arch and top liner structure are generally used
Cast-in-place structural.Simultaneously because inverted arch must have certain radian, its structure height is shallow in middle deep both sides, for convenience of laid rail
Generally using plain concrete backfill between the rail or highway pavement on road or road, inverted arch and top.In inverted arch work progress,
Because construction passage is limited, tunnel integral construction speed can be reduced to a certain extent.
However, the Tunneling by mining method (when comprehensive gallery is set below deck of being such as expert at) for setting sandwich construction, due to
Internal structure is complicated, and working procedure is more, and the time is longer, and asking for following several respects is had if still using cast-in-place inverted arch structure
Topic：
(1) if being poured when inverted arch and internal structure are using cast-in-place structural, it is necessary to set up template and it is necessary to hard in inverted arch
Change reaches that can start erection template after some strength pours internal structure, and activity time is longer.
(2) if bottom inverted arch is using cast-in-place, when internal structure uses prefabricated components, because bottom inverted arch construction precision is difficult to
Ensure, can cause pre-fabricated inner structure assembly is difficult to smooth and continuous, easily cause Additional Stress of Structure, reduce the safety of structure
Property and durability.
(3) cast-in-place structural is had to pass through after a period of time maintenance, and intensity reaches that certain level could meet vehicle, machinery and set
The need for standby construction is current, it is impossible to quick formation construction passage, other processes such as influence tunnel excavation.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the present invention provides a kind of mine for adapting to rapid construction passage
Method tunnel bottom structure and its construction method, its object is to by setting prefabricated inverted arch structure and pre-fabricated one phase interworking
Close, it is quick to form vehicle and the construction passage of plant equipment, vehicle can be recovered rapidly after inverted arch construction and plant equipment is current.
To achieve these goals, as one aspect of the present invention, there is provided a kind of mine for adapting to rapid construction passage
Method tunnel bottom structure, is arranged on tunnel contour inner periphery, including：
Inverted arch structure is provided with the lower circumference of the tunnel contour, is set in the top circumferential inner of the tunnel contour
There is a top lining cutting, the two ends of the two ends of the inverted arch structure respectively with the top lining cutting are docked, and form integral tunnel lining structure；
The upper surface of the inverted arch structure is provided with frame structure, the bottom of frame structure side wall and the inverted arch structure
Upper surface connection, be collectively forming lower layer space；
The side wall of the frame structure is provided with shoulder with top junction, and other internal structures are provided with the shoulder,
The top circumference of other described internal structures, the top of frame structure and the tunnel contour collectively forms sheaf space；
So as to form the space structure at least including a lower layer space and a upper sheaf space, for after inverted arch is constructed
Rapid recovery vehicle and plant equipment are current.
Further, the lower edge of the inverted arch structure is arc-shaped structure, the arc-shaped structure and the tunnel wheel
Wide lower circumference matching, is provided with bottom gap between the lower edge of inverted arch structure and the lower circumference of tunnel contour, described
Bottom gap is used to fill pea gravel concreten or cement mortar, is brought into close contact inverted arch structure and tunnel contour, achieves a fixed connection.
Preferably, the inside of the inverted arch structure is provided with many built-in slip casting pipes, and the built-in slip casting pipe is used for according to need
Carry out slip casting filling.
Preferably, the inverted arch structure is the form that monolithic or polylith are combined.
Preferably, the inverted arch structure and frame structure form to be prefabricated.
Preferably, the bottom and both sides of the tunnel contour are provided with preliminary bracing, and the preliminary bracing is used to support and prevent
Protect the tunnel contour, it is to avoid it deforms or caved in.
According to another aspect of the present invention, there is provided a kind of Tunneling by mining method polycrystalline substance of adaptation rapid construction passage
Construction method, comprise the following steps：
(1) excavate and form tunnel contour；
(2) prefabricated inverted arch structure is placed in tunnel contour bottom, is set before construction between inverted arch structure and tunnel contour
Pea gravel concreten or cement mortar are filled in the gap put, prefabricated inverted arch structure and tunnel contour is brought into close contact；
(3) after the completion of prefabricated inverted arch structure is placed, prefabricated internal framework is put in thereon, can be under after fixing
Sheaf space and the current vehicle of upper sheaf space and plant equipment；
(4) prefabricated inverted arch structure and frame structure can with top liner structure by one entirety of cast-in-place formation, into
For permanent bearing structure.
Preferably, the prefabricated inverted arch structure is the form that monolithic or polylith are combined, and can be assembled into before construction whole
Body, can also be connected in construction.
Preferably, in step (2) can also using lifting machine is by inverted arch structure hoisting to precalculated position and remains stationary as,
Then it is attached with the inverted arch block constructed, then microlith is filled into the gap set between inverted arch structure and tunnel contour and is mixed
Solidifying soil or cement grout, after after concrete or cement mortar hardening, lifting machine departs from from hoisting structure, makes prefabricated inverted arch structure
It is brought into close contact with tunnel contour.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
(1) the Tunneling by mining method polycrystalline substance of adaptation rapid construction passage of the invention, by setting prefabricated inverted arch structure
Cooperated with pre-fabricated one, it is quick to form vehicle and the construction passage of plant equipment, can be rapid extensive after inverted arch construction
Multiple vehicle and plant equipment are current.
(2) the Tunneling by mining method polycrystalline substance of adaptation rapid construction passage of the invention, precast construction and top lining cutting and
Peripheral structure is cast-in-place to form an entirety, forms good tunnel contour, and structural strength meets and required.
(3) the Tunneling by mining method polycrystalline substance of adaptation rapid construction passage of the invention, between inverted arch structure and profile
Be provided with gap, filled in space using slip casting or pea gravel concreten, be brought into close contact prefabricated inverted arch and tunnel contour, realized
It is fixedly connected.
(4) the Tunneling by mining method polycrystalline substance of adaptation rapid construction passage of the invention, prefabricated inverted arch structure can be used
Monolithic or the form of polylith combination, structure type flexibly, can be according to specific constructing tunnel occasions, flexibly selection, further
Expand the scope of application of the Tunneling by mining method polycrystalline substance of the adaptation rapid construction passage.
(5) the Tunneling by mining method polycrystalline substance construction method of adaptation rapid construction passage of the invention, it is ensured that internal
Other processes such as structure construction and tunnel excavation are not interfere with each other, and form vehicle and the construction passage of plant equipment, while ensureing knot
Structure safety.
(6) the Tunneling by mining method polycrystalline substance construction method of adaptation rapid construction passage of the invention, inverted arch structure and frame
Frame structure is prepared in prefabrication practice, during construction, and assembly is fixed, you can meet Construction traffic in requirement current thereon, pole
Big improves efficiency of construction.
Brief description of the drawings
Fig. 1 is Tunneling by mining method structure section schematic diagram in the prior art；
Fig. 2 is a kind of section signal of Tunneling by mining method polycrystalline substance for adapting to rapid construction passage of the embodiment of the present invention
Figure；
Fig. 3 is a kind of monolithic polycrystalline substance schematic diagram of the embodiment of the present invention；
Fig. 4 is a kind of polylith composite bottom structural representation of the embodiment of the present invention.
In all of the figs, same reference represents identical technical characteristic, is specially：1- tunnels center line, 2-
Between top lining cutting, 3- preliminary bracings, 4- inverted arch, 5- backfills layer, 6- lower layer spaces, 7- tunnel contours, the prefabricated inverted arch of 8-, 9- bottoms
Gap, 10- built-in slip casting pipes, 11- pre-fabricated ones, 12- other internal structures, the upper sheaf spaces of 13-.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below that
Not constituting conflict between this can just be mutually combined.
Fig. 1 is Tunneling by mining method structure section schematic diagram in the prior art.As shown in figure 1, in the prior art, tunnel structure
It is disconnected to include top lining cutting 2, preliminary bracing 3, inverted arch 4 and backfill layer 5, wherein, inverted arch 4 is located at the bottom in tunnel, in inverted arch 4
Two ends are provided with top lining cutting 2, combine to form Lining Ring with the liner structure on top using inverted arch (bottom plate), collectively form closing
Permanent bearing structure.This Tunneling by mining method polycrystalline substance for adapting to rapid construction passage, inverted arch and top liner structure are general
Cast-in-place structural is used, simultaneously because inverted arch there must be certain radian, its structure height is shallow in middle deep both sides, for convenience
Track or road are laid, generally using plain concrete backfill between inverted arch and the rail or highway pavement on top.In inverted arch construction
During, because construction passage is limited, tunnel integral construction speed can be reduced to a certain extent.
The problem of present invention exists according to existing technology, proposes a kind of Tunneling by mining method bottom for adapting to rapid construction passage
Structure, i.e., using prefabricated inverted arch structure with the formation integral tunnel lining of top liner structure, it is possible to resolve sandwich construction Mining Method tunnel
When road sets the structures such as comprehensive gallery in bottom, the quick problem for forming construction passage.
Fig. 2 is a kind of section signal of Tunneling by mining method polycrystalline substance for adapting to rapid construction passage of the embodiment of the present invention
Figure.As shown in Fig. 2 in one embodiment of the invention, adapting to the Tunneling by mining method polycrystalline substance of rapid construction passage includes
Tunnel contour 7, preliminary bracing 3 is provided with the top and both sides of tunnel contour 7, forms the preliminary bracing to tunnel, it is to avoid it is sent out
The shape that changes is caved in.
Prefabricated inverted arch 8 is provided with the lower circumference of tunnel contour 7, top is provided with the top circumference of tunnel contour 7
Lining cutting 2, the two ends of the two ends of the top lining cutting 2 respectively with prefabricated inverted arch 8 are docked, so as to form integral tunnel lining structure, are formed
Good tunnel contour, and structural strength meets requirement.
As shown in Fig. 2 the lower edge of prefabricated inverted arch 8 is set to arc-shaped structure, matched with the lower circumference of tunnel contour 7,
Bottom gap 9 is provided between the lower edge of prefabricated inverted arch 8 and the lower circumference of tunnel contour 7, the bottom gap 9 is used to fill
Pea gravel concreten, is brought into close contact prefabricated inverted arch 8 and tunnel contour 7, achieves a fixed connection.
As shown in Fig. 2 the top edge of prefabricated inverted arch 8 is set to plane, precast frame is provided with the upper surface of prefabricated inverted arch 8
Structure 11, forms lower layer space 6 between the pre-fabricated one 11 and the upper surface of prefabricated inverted arch 8, pre-fabricated one 11 is consolidated
Behind the upper surface for being scheduled on prefabricated inverted arch 8, by setting prefabricated inverted arch structure and pre-fabricated one to cooperate, car is quickly formed
Construction passage with plant equipment, rapid after inverted arch construction can recover vehicle and plant equipment is current.
In one embodiment of the invention, pre-fabricated one 11 can for gate, trapezoidal, inverted trapezoidal, triangle or its
His pattern frame structure, the bottom of its side wall is connected with the upper surface of prefabricated inverted arch 8, and its top is set to plane, be easy to vehicle and
Equipment is passed through.Trapezium structure is provided with its side wall and top junction, the trapezium structure is outwardly, forms a shoulder.
As shown in Fig. 2 in the both sides of pre-fabricated one 11, provided with other internal structures 12, other internal structures 12 can
Think planar structure, its one end is connected with the inner periphery of tunnel contour 7, the other end and the shoulder of pre-fabricated one 11 are overlapped.
Upper sheaf space 13 is formed between pre-fabricated one 11, other internal structures 12 and tunnel contour 7, is easy to current vehicle and machinery
Equipment.
In one embodiment of the invention, the form that the prefabricated structure of inverted arch 8 can be combined using monolithic or polylith, specifically
Structure type is determined according to the actual requirements.It is not limited to the form of monolithic or polylith combination.Structure type flexibly, can be according to specific
Constructing tunnel occasion, flexibly selection, further expand the Tunneling by mining method polycrystalline substance of the adaptation rapid construction passage
The scope of application.
Fig. 3 is a kind of monolithic polycrystalline substance schematic diagram of the embodiment of the present invention.As shown in figure 3, in the reality of the present invention
Apply in example, prefabricated inverted arch 8 is monolithic polycrystalline substance, and the inside of prefabricated inverted arch 8 is provided with many built-in slip casting pipes 10, for basis
Need to carry out slip casting filling by pre-buried Grouting Pipe 10.In another embodiment of the present invention, hoisting machine can also be utilized
Tool is by inverted arch structure hoisting to precalculated position and remains stationary as, and is then attached with the inverted arch block constructed, then to inverted arch knot
Pea gravel concreten or cement grout are filled in the gap set between structure and tunnel contour, after concrete or cement mortar are hardened,
Lifting machine departs from from hoisting structure, is brought into close contact prefabricated inverted arch structure and tunnel contour.
Fig. 4 is a kind of polylith composite bottom structural representation of the embodiment of the present invention.As shown in figure 4, prefabricated inverted arch 8 is many
Block combining structure, it is preferable that prefabricated inverted arch 8 is 3 pieces of combining structures, one of polycrystalline substance and monolithic polycrystalline substance phase
Together, in the lower circumference for being arranged in tunnel contour 7, another two pieces are respectively arranged in the both sides of polycrystalline substance, respectively with polycrystalline substance
Two ends docking.
The Tunneling by mining method polycrystalline substance of above-mentioned adaptation rapid construction passage is only one embodiment of the present of invention, other
Space structure form, for example arranges two or more lower layer spaces 6, or two layers of pre-fabricated one 11 of arrangement, so as to be formed
The conversion of the technical schemes such as the Tunneling by mining method polycrystalline substance of adaptation rapid construction passage of multilayer, the protection model in the present invention
Within enclosing.
Tied as another key improvements of the present invention there is provided a kind of Tunneling by mining method bottom for adapting to rapid construction passage
The rapid constructing method of structure, specifically includes following steps：
(1) by taking the Tunneling by mining method that bottom sets lower layer space 6 as an example, during construction, tunnel wheel is carried out using suitable engineering method
Exterior feature 7 is excavated, and should be applied preliminary bracing 3 in time after excavation, if surrounding rock stability is good, can not also be done preliminary bracing；
(2) prefabricated prefabricated inverted arch 8 is placed in tunnel bottom, before construction preferably between prefabricated inverted arch 8 and tunnel contour 7
Filling pea gravel concreten, is brought into close contact prefabricated inverted arch 8 and tunnel contour 7 in gap 9, after construction can also be according to need
Slip casting filling is carried out by pre-buried Grouting Pipe 10, can also using lifting machine by inverted arch structure hoisting to precalculated position simultaneously
Remain stationary as, be then attached with the inverted arch block constructed, then into the gap set between inverted arch structure and tunnel contour
Pea gravel concreten or cement grout are filled, after after concrete or cement mortar hardening, lifting machine departs from from hoisting structure, makes pre-
Inverted arch structure processed and tunnel contour are brought into close contact；
(3) after the completion of prefabricated inverted arch 8 is placed, slip casting filling space is carried out as needed, then by prefabricated inner frame
Structure 11 is put in thereon, and can pass through vehicle and plant equipment after fixing in lower layer space 6 and upper sheaf space 13；
(4) prefabricated inverted arch 8 and frame structure 11 can with the structure of top lining cutting 2 by one entirety of cast-in-place formation, into
For permanent bearing structure
In one embodiment of the invention, the form that prefabricated inverted arch 8 is combined using monolithic or polylith, can be in construction
Preceding assembly is integral, can also be connected in construction.
The Tunneling by mining method polycrystalline substance construction method of the adaptation rapid construction passage of the present invention, inverted arch structure and framework knot
Structure is prepared in prefabrication practice, it is ensured that internal structure other processes with tunnel excavation etc. of constructing are not interfere with each other, quick shape
Into vehicle and the construction passage of plant equipment, efficiency of construction is improved, while ensureing structure safety.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (8)
1. a kind of Tunneling by mining method polycrystalline substance for adapting to rapid construction passage, is arranged on tunnel contour inner periphery, its feature
It is, including：
Inverted arch structure is provided with the lower circumference of the tunnel contour, is provided with upper in the top circumferential inner of the tunnel contour
Portion's lining cutting, the two ends of the inverted arch structure respectively with the two ends of the top lining cutting are cast-in-place docks, form integral tunnel lining structure；
The upper surface of the inverted arch structure is provided with frame structure, and the bottom of frame structure side wall is upper with the inverted arch structure
Surface is connected, and is collectively forming lower layer space；
The side wall of the frame structure is provided with shoulder with top junction, and other internal structures are provided with the shoulder, described
The top circumference of other internal structures, the top of frame structure and the tunnel contour collectively forms sheaf space；
So as to form the space structure at least including a lower layer space and a upper sheaf space, for rapid after inverted arch is constructed
Recover vehicle and plant equipment is current.
2. a kind of Tunneling by mining method polycrystalline substance for adapting to rapid construction passage according to claim 1, it is characterised in that
The lower edge of the inverted arch structure is arc-shaped structure, and the arc-shaped structure is matched with the lower circumference of the tunnel contour,
Bottom gap is provided between the lower edge of inverted arch structure and the lower circumference of tunnel contour, the bottom gap is used to fill thin
Stone concrete or cement mortar, are brought into close contact inverted arch structure and tunnel contour, achieve a fixed connection.
3. a kind of Tunneling by mining method polycrystalline substance for adapting to rapid construction passage according to claim 1 or 2, its feature exists
In the inside of the inverted arch structure is provided with many built-in slip casting pipes, and the built-in slip casting pipe is used for progress slip casting as needed and filled out
Fill.
4. a kind of Tunneling by mining method polycrystalline substance of adaptation rapid construction passage according to any one of claim 1-3,
Characterized in that, the inverted arch structure is the form that monolithic or polylith are combined.
5. a kind of Tunneling by mining method polycrystalline substance of adaptation rapid construction passage according to any one of claim 1-4,
Characterized in that, the inverted arch structure and frame structure form to be prefabricated.
6. the Tunneling by mining method polycrystalline substance of adaptation rapid construction passage as any one of claim 1-5 a kind of is applied
Work method, it is characterised in that comprise the following steps：
(1) excavate and form tunnel contour；
(2) prefabricated inverted arch structure is placed in tunnel contour bottom, is set before construction between inverted arch structure and tunnel contour
Pea gravel concreten or cement mortar are filled in gap, prefabricated inverted arch structure and tunnel contour is brought into close contact；
(3) after the completion of prefabricated inverted arch structure is placed, prefabricated internal framework is put in thereon, can be empty in lower floor after fixing
Between and upper sheaf space pass through vehicle and plant equipment；
(4) prefabricated inverted arch structure and frame structure can be with top liner structures by one entirety of cast-in-place formation, as forever
Long bearing structure.
7. a kind of construction method of Tunneling by mining method polycrystalline substance for adapting to rapid construction passage according to claim 6,
Characterized in that, the prefabricated inverted arch structure is the form that monolithic or polylith are combined, can be assembled integral before construction,
It can be connected in construction.
8. a kind of construction party of the Tunneling by mining method polycrystalline substance of adaptation rapid construction passage according to claim 6 or 7
Method, it is characterised in that in step (2) can also using lifting machine is by inverted arch structure hoisting to precalculated position and remains stationary as,
Then it is attached with the inverted arch block constructed, then microlith is filled into the gap set between inverted arch structure and tunnel contour and is mixed
Solidifying soil or cement grout, after after concrete or cement mortar hardening, lifting machine departs from from hoisting structure, makes prefabricated inverted arch structure
It is brought into close contact with tunnel contour.
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| CN201710552027.5A CN107178377A (en) | 2017-07-07 | 2017-07-07 | Adapt to the Tunneling by mining method polycrystalline substance and its construction method of rapid construction passage |
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| CN201710552027.5A CN107178377A (en) | 2017-07-07 | 2017-07-07 | Adapt to the Tunneling by mining method polycrystalline substance and its construction method of rapid construction passage |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104825A (en) * | 2018-01-12 | 2018-06-01 | 中国铁路设计集团有限公司 | A kind of shield tunnel tunnel bottom backfills assembly construction method |
| CN108798701A (en) * | 2018-06-01 | 2018-11-13 | 中铁第四勘察设计院集团有限公司 | Precast construction and its construction method in a kind of roads and tunnels |
| CN109252874A (en) * | 2018-11-15 | 2019-01-22 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of Tunnel Base and its construction |
| CN109826646A (en) * | 2019-03-06 | 2019-05-31 | 中铁十一局集团第五工程有限公司 | One-time formed tunnel segment assembly |
| CN110186396A (en) * | 2019-06-05 | 2019-08-30 | 中南大学 | A kind of device and method obtaining TBM tunnel pattern three dimensional point cloud |
| CN110374623A (en) * | 2019-08-07 | 2019-10-25 | 上海市机械施工集团有限公司 | Prefabricated platform and its installation method |
| CN110397449A (en) * | 2019-08-06 | 2019-11-01 | 中铁十四局集团有限公司 | Tunnel inverted arch construction method |
| CN115198791A (en) * | 2022-05-20 | 2022-10-18 | 中交隧道工程局有限公司 | Bottom grouting process for mounting lower structural member of large-diameter shield tunnel |
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| CN109252874A (en) * | 2018-11-15 | 2019-01-22 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of Tunnel Base and its construction |
| CN109826646A (en) * | 2019-03-06 | 2019-05-31 | 中铁十一局集团第五工程有限公司 | One-time formed tunnel segment assembly |
| CN110186396A (en) * | 2019-06-05 | 2019-08-30 | 中南大学 | A kind of device and method obtaining TBM tunnel pattern three dimensional point cloud |
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| CN115198791B (en) * | 2022-05-20 | 2024-02-02 | 中交隧道工程局有限公司 | Bottom grouting process for installing lower structural part of large-diameter shield tunnel |
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