CN110374641A - The construction method of tunnel-liner - Google Patents
The construction method of tunnel-liner Download PDFInfo
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- CN110374641A CN110374641A CN201910772623.3A CN201910772623A CN110374641A CN 110374641 A CN110374641 A CN 110374641A CN 201910772623 A CN201910772623 A CN 201910772623A CN 110374641 A CN110374641 A CN 110374641A
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- track
- board mounting
- lining
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- 238000010276 construction Methods 0.000 title claims abstract description 86
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 154
- 229910052742 iron Inorganic materials 0.000 claims abstract description 77
- 238000009434 installation Methods 0.000 claims abstract description 60
- 239000004567 concrete Substances 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 210000003205 muscle Anatomy 0.000 claims abstract description 13
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000007689 inspection Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 239000011241 protective layer Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 13
- 239000000725 suspension Substances 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 2
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- 238000004364 calculation method Methods 0.000 description 2
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- 230000008859 change Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000002156 mixing Methods 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/22—Tracks for railways with the vehicle suspended from rigid supporting rails
- E01B25/24—Supporting rails; Auxiliary balancing rails; Supports or connections for rails
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
-
- 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/122—Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention belongs to technical field of tunnel construction, and in particular to a kind of construction method of tunnel-liner, it is intended to solve tunnel structure in the prior art and be unable to satisfy sky iron train driving condition, need to plan tunnel lining structure again；Empty rail road detail design difficulty is big in tunnel, does not know the problem of how carrying out construction working.The present invention provides a kind of construction method of tunnel-liner, includes the following steps: S1, on the basis of lining at the beginning of tunnel to be onstructed and inverted arch construction are completed, carries out secondary lining preparation；S2 is laid with splash guard, binds two lined steel muscle；S3, the side wall body of pump concrete to tunnel two sides form two lining main structures；S4 installs empty iron train rail and track installation frame；S5, pump concrete to tunnel vault.Sky rail road can be made using the construction method of tunnel-liner of the present invention and tunnel main body to form good stress whole, keep sky iron train operation more stable, more secure and reliable, construction method structure of the present invention is simple, strong operability and at low cost.
Description
Technical field
The invention belongs to technical field of tunnel construction, and in particular to a kind of construction method of tunnel-liner.
Background technique
As urbanization process is constantly accelerated, city size is grown rapidly, the quickening and urban population of urban life rhythm
Quantity sharply increases, and the travel amount of people is increasing, gradually known to masses and is applied to city to alleviate traffic congestion sky iron
In city's construction.Empty iron is a kind of suspension train traffic system, its track is in vehicle up direction.Empty iron car belongs to track friendship
It is open to traffic, needs to travel on the track of relatively flat, the track of rail traffic is hard track, usually steel track, example
Such as railway track.The frictional force that hard track is supplied to wheel of vehicle is relatively small, thus rail traffic can have it is higher
The traction power of speed and low cost.Empty iron moves to traffic above-ground in the air, and construction cost is low, has in construction and operational process
On ground building facility influence it is small, open rear train running speed is fast, track move towards to be laid in flexible, operational process to environment without
The advantages such as pollution, therefore it is rapidly developed in many cities, between city and city.Germany, Japan are relatively early
Ground realizes the R & D design of suspension type rail railway and highway system, and in recent years, the country has also carried out corresponding research.
Due to the special construction in empty rail road, the liner structure of conventional tunnel is insufficient for sky iron train in tunnel expert
It sails, needs to be transformed conventional tunnel traffic system structure, ground (inverted arch) geology in tunnel is hard, can reach design
The pile foundation construction of insertion degree is extremely difficult, and the empty iron track structure outside tunnel can not be realized in tunnel；It cannot be straight by column
It connects and is mounted on tunnel double-lining (in main structure), two lining local pressures are easier to damage；Track column is bulky to be unfavorable for
The work such as later period dismounting, transport, maintenance, maintenance；And column occupies the space of tunnel internal preciousness, and tunnel expands hole diameter and causes
It increase accordingly construction cost.Therefore how the connection knot between empty rail road, empty rail road and the tunnel in design-build tunnel
The lining construction mode in empty rail road is those skilled in the art's technical problem urgently to be resolved in structure tunnel.
Summary of the invention
In order to solve the above problem in the prior art, sky iron is unable to satisfy in order to solve tunnel structure in the prior art
Train driving condition needs to plan tunnel lining structure again；Empty rail road detail design difficulty is big in tunnel, does not know how to open
The problem of opening up construction working.The present invention provides a kind of construction methods of tunnel-liner comprising following steps:
Step 1 carries out secondary lining preparation on the basis of lining at the beginning of tunnel to be onstructed and inverted arch construction are completed；
Step 2 is laid with splash guard, binds two lined steel muscle；
Step 3, the side wall body of pump concrete to tunnel two sides form two lining main structures；
Step 4 installs empty iron train rail and track installation frame；
Step 5, pump concrete to tunnel vault.
In some optimal technical schemes, " the secondary lining preparation " of the step 1 is further comprising the steps of: applying
First lining end face is measured before work, carries out secondary lining after country rock and just lining stabilization, to tunnel water handling facility, in advance
Embedded part and reserved cavern's template are handled, and are detected to two lined steel muscle, protective layer thickness, situation of coming to nothing.
In some optimal technical schemes, it further includes following for " being laid with splash guard, bind two lined steel muscle " in the step 2
Step: water proof steel band is installed at the top of the side wall of tunnel two sides.
In some optimal technical schemes, " the side wall of pump concrete to tunnel two sides described in the step 3
The side wall that two lining main structures of body formation " further include steps of pump concrete to tunnel two sides, until described
Concrete is concordant with the half of the water proof width of steel band, forms two lining main structures.
In some optimal technical schemes, after the completion of the step 3, also needs to conserve two lining main structures, make two
Lining main structure can provide better mounting condition for the hollow iron train rail of step 4 and track installation frame.
In some optimal technical schemes, sky iron train rail described in the step 4 is track plates, the track peace
It shelves as track board mounting stand, empty iron train rail and track installation frame are prefabricated components, in which:
The track installation frame includes support portion and interconnecting piece, and the support portion is domes, the interconnecting piece setting
In the both ends of the support portion, the arch radian and structure of the support portion are prefabricated according to tunnel vault structure to be onstructed；It is described
Multiple reserving holes are provided on support portion and interconnecting piece, the track board mounting stand passes through the reserving hole and built-in fitting
It is fixedly arranged on tunnel double-lining main structure.
In some optimal technical schemes, the track board ends are fixed on tunnel by the track board mounting stand and encircle
Top, the track plates are prefabricated components, and the track plates include bearing plate, guide plate, floor, in which:
The guide plate is vertically installed on the bearing plate as empty iron train leading plate, and the bearing plate is divided into
Carrying roller steps on portion and support interconnecting piece, and the floor is fixedly arranged on the lower surface that the carrying roller steps on portion as longitudinally reinforced plate,
In: the carrying roller steps on track structure plate of the portion as the empty iron train carrying roller traveling of offer；The support interconnecting piece be used as to
Supporting element transmits load and the support of power connects end.
In some optimal technical schemes, the tunnel-liner further includes attachment beam and inspection platform, the step 4
" installing empty iron train rail and track installation frame " includes:
S1, the installation of track board mounting stand, track board mounting stand are transported in tunnel, by making built-in fitting through described
Reserving hole on track board mounting stand makes the interconnecting piece at the built-in fitting both ends side with the two sides in step 3 respectively
Abutment wall body two serves as a contrast the end assembly of main structure, while the support portion of the track board mounting stand being made to be fixed on tunnel arch wall
Face, repeating the above process makes multiple track board mounting stands at certain intervals successively along length of tunnel direction location and installation；
S2, attachment beam installation, several attachment beams are laterally set in turn at certain intervals any two it is adjacent described in
Between track board mounting stand, by the both ends of the attachment beam, the track board mounting stand adjacent with any two is fixed respectively,
The attachment beam and the track plates mounting frame are at main bearing structure；
S3, inspection platform installation, are arranged inspection platform between two adjacent attachment beams；
It is close to each other or away from one another with certain interval pair to be stepped on portion by S4, track plates installation for the carrying roller of two track plates
Claim setting composition track board group, the gap can allow for sky iron train to pass through, and each track board ends are respectively and arbitrarily
Two adjacent track board mounting stands are fixed, and the track board group is set in interval described in S2, i.e., two neighboring described
The inside of attachment beam；
S5, supporting element installation, supporting element are set between the track board mounting stand and the track plates, make the support
Part one end is connect with the track installation frame, and the other end is connect with the support interconnecting piece of the track plates.
In some optimal technical schemes, the step 4 is further comprising the steps of: pipeline piping lane is provided, by the pipeline
Piping lane is set to above the attachment beam.
It further include following step before the step 5 " pump concrete to tunnel vault " in some optimal technical schemes
Rapid: the two lining main structure concrete described in step 3 carry out dabbing flushing.
Beneficial effects of the present invention:
After the construction method of tunnel-liner of the present invention forms two lining main structures by pump concrete to two sides abutment wall, peace
Empty iron train rail and track installation frame are filled, dabbing cleaning pump concrete is until tunnel after empty iron train rail is installed
Vault.So that sky iron train rail and two lining main structures is formed good stress entirety by such method, makes sky iron train
Run more stable, more secure and reliable.The construction method of tunnel-liner of the present invention solves sky iron by using track board mounting stand
Rail Transit System can not set up column in tunnel to support the problem of empty iron train, be made by structures such as attachment beam supporting elements
Empty rail road is more stable, durable in tunnel.The configuration of the present invention is simple, material easily obtain, and construction cost is low, using tunnel of the present invention
Construction efficiency can be improved in the construction method of lining cutting and the present invention is not high to the technical requirements of construction personnel, while the present invention is without vertical
Column can effectively reduce the line spacing of two-wire, reduce tunnel width, save tunnel construction cost.
The construction method of tunnel-liner of the present invention makes full use of the space between track board mounting stand that inspection platform is arranged, simultaneous
Make roof evacuation platform, provides platform and channel to open up fire-fighting evacuation in tunnel；Side rationally is set using tunnel-side space
Square evacuation platform improves tunnel emergency evacuation efficiency by roof evacuation platform and side evacuation platform, guarantees traffic in tunnel
The safety of system avoids that accident occurs when evacuation.
The construction method of tunnel-liner of the present invention is by calculating tunnel vault at a distance from the ground of bottom, tunnel of making rational planning for
Inner space is arranged empty rail pipeline transportation system in tunnel top, does not interfere tunnel ground pavement, car lane etc., provide
The problem of peak time communications and transportation blocks is effectively relieved in the condition of other vehicles and pedestrians.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the flow diagram of the construction method of tunnel-liner of the invention；
Fig. 2 is a kind of embodiment schematic diagram of tunnel lining structure of construction method according to the present invention；
Fig. 3 is a kind of idiographic flow schematic diagram of the embodiment of construction method step four of tunnel-liner of the present invention；
Fig. 4 is a kind of embodiment schematic diagram of tunnel lining structure of construction method step four according to the present invention；
Fig. 5 is the attachment structure schematic diagram one of one embodiment of track board mounting stand of the invention；
Fig. 6 is the attachment structure schematic diagram two of one embodiment of track board mounting stand of the invention；
Fig. 7 is the attachment structure schematic diagram three of one embodiment of track board mounting stand of the invention；
Fig. 8 is the structural schematic diagram one of one embodiment of track board group of the invention；
Fig. 9 is the structural schematic diagram two of one embodiment of track board group of the invention；
Figure 10 is the structural schematic diagram of one embodiment of track plates of the invention；
Figure 11 shows for the overall structure of one embodiment of rail pipeline transportation system empty in the tunnel of construction method according to the present invention
It is intended to；
Reference signs list:
1- track board mounting stand；2- track plates, 21- bearing plate, 21a- support interconnecting piece 21b- carrying roller step on portion, and 22- is led
To plate, 23- floor, 24- ribs；3- attachment beam；4- built-in fitting；5- train, 51- bogie, 52- sunpender；6- supporting element；7-
Pipeline piping lane；8- detection platform；9- limit；10- bis- serves as a contrast main structure；11- massif；12- drainage pipeline；The evacuation of the side 13- is flat
Platform；14- just props up (first excavation supporting structure in hole)；15- column；16- track girder.
Specific embodiment
To keep the embodiment of the present invention, technical solution and advantage more obvious, below in conjunction with attached drawing to skill of the invention
Art scheme carries out clear, complete description, it is clear that and the embodiment described is a part of the embodiments of the present invention, rather than all
Embodiment.It will be apparent to a skilled person that these embodiments are used only for explaining technical principle of the invention, and
It is not intended to be limiting protection scope of the present invention.A kind of construction method of tunnel-liner provided by the invention, includes the following steps:
Step 1 carries out secondary lining preparation on the basis of lining at the beginning of tunnel to be onstructed and inverted arch construction are completed；
Step 2 is laid with splash guard, binds two lined steel muscle；
Step 3, the side wall body of pump concrete to tunnel two sides form two lining main structures；
Step 4 installs empty iron train rail and track installation frame；
Step 5, pump concrete to tunnel vault.
In some embodiments of the present invention, " the secondary lining preparation " of the step 1 is further comprising the steps of: applying
First lining end face is measured before work, carries out secondary lining after country rock and just lining stabilization, to tunnel water handling facility, in advance
Embedded part and reserved cavern's template are handled, and are detected to two lined steel muscle, protective layer thickness, situation of coming to nothing.
In some embodiments of the present invention, it further includes following for " being laid with splash guard, bind two lined steel muscle " in the step 2
Step: water proof steel band is installed at the top of the side wall of tunnel two sides.
In some embodiments of the present invention, " the side wall of pump concrete to tunnel two sides described in the step 3
The side wall that two lining main structures of body formation " further include steps of pump concrete to tunnel two sides, until described
Concrete is concordant with the half of the water proof width of steel band, forms two lining main structures.
In some embodiments of the present invention, after the completion of the step 3, also needs to conserve two lining main structures, make two
Lining main structure can provide better mounting condition for the hollow iron train rail of step 4 and track installation frame.
In some embodiments of the present invention, sky iron train rail described in the step 4 is track plates, the track peace
It shelves as track board mounting stand, empty iron train rail and track installation frame are prefabricated components, in which:
The track installation frame includes support portion and interconnecting piece, and the support portion is domes, the interconnecting piece setting
In the both ends of the support portion, the arch radian and structure of the support portion are prefabricated according to tunnel vault structure to be onstructed；It is described
Multiple reserving holes are provided on support portion and interconnecting piece, the track board mounting stand passes through the reserving hole and built-in fitting
It is fixedly arranged on tunnel double-lining main structure.
In some embodiments of the present invention, the track board ends are fixed on tunnel by the track board mounting stand and encircle
Top, the track plates are prefabricated components, and the track plates include bearing plate, guide plate, floor, in which:
The guide plate is vertically installed on the bearing plate as empty iron train leading plate, and the bearing plate is divided into
Carrying roller steps on portion and support interconnecting piece, and the floor is fixedly arranged on the lower surface that the carrying roller steps on portion as longitudinally reinforced plate,
In: the carrying roller steps on track structure plate of the portion as the empty iron train carrying roller traveling of offer；The support interconnecting piece be used as to
Supporting element transmits load and the support of power connects end.
In some embodiments of the present invention, the tunnel-liner further includes attachment beam and inspection platform, the step 4
" installing empty iron train rail and track installation frame " includes:
S1, the installation of track board mounting stand, track board mounting stand are transported in tunnel, by making built-in fitting through described
Reserving hole on track board mounting stand makes the interconnecting piece at the built-in fitting both ends side with the two sides in step 3 respectively
Abutment wall body two serves as a contrast the end assembly of main structure, while the support portion of the track board mounting stand being made to be fixed on tunnel arch wall
Face, repeating the above process makes multiple track board mounting stands at certain intervals successively along length of tunnel direction location and installation；
S2, attachment beam installation, several attachment beams are laterally set in turn at certain intervals any two it is adjacent described in
Between track board mounting stand, by the both ends of the attachment beam, the track board mounting stand adjacent with any two is fixed respectively,
The attachment beam and the track plates mounting frame are at main bearing structure；
S3, inspection platform installation, are arranged inspection platform between two adjacent attachment beams；
It is close to each other or away from one another with certain interval pair to be stepped on portion by S4, track plates installation for the carrying roller of two track plates
Claim setting composition track board group, the gap can allow for sky iron train to pass through, and each track board ends are respectively and arbitrarily
Two adjacent track board mounting stands are fixed, and the track board group is set in interval described in S2, i.e., two neighboring described
The inside of attachment beam；
S5, supporting element installation, supporting element are set between the track board mounting stand and the track plates, make the support
Part one end is connect with the track installation frame, and the other end is connect with the support interconnecting piece of the track plates.
In some embodiments of the present invention, the step 4 is further comprising the steps of: pipeline piping lane is provided, by the pipeline
Piping lane is set to above the attachment beam.
It further include following step before the step 5 " pump concrete to tunnel vault " in some embodiments of the present invention
Rapid: the two lining main structure concrete described in step 3 carry out dabbing flushing.
Empty iron tunnel there is native stone to excavate, is anchor rod anchored, preliminary supporting, isolation waterproof, master as common railway tunnel
The lining of body two, in hole charge for remittance gutter, measures and the facility such as divulge information in hole intraoral illumination, hole.It will be appreciated by those skilled in the art that
To be above-mentioned be this field technical term, concrete operations in present invention description range, well-known technique progress not can be used.
Empty rail road in tunnel cannot construct pile foundation as outside tunnel in below ground, the ground in tunnel
(inverted arch) geology is hard, and the pile foundation construction that can reach design insertion degree is extremely difficult.Column can not be directly installed on
On tunnel double-lining (in main structure), two lining local pressures are easier to damage.Third, track column is bulky to be unfavorable for the later period
The work such as dismounting, transport, maintenance, maintenance；Need that a kind of simple installation, maintenance is convenient, does not cause to tunnel structure thus
The empty rail road structure type of larger impact；Empty rail road in order to reach the above effect, in tunnel, it is desirable to be able to which installation can
To provide the track plates of bearing capacity to empty iron.Track plates are assembled and fixed using the completion of track board mounting stand.Track board mounting stand
Preburying part quartile inside the tunnel vault and with two serve as a contrast in reinforcing bar connect, track board mounting stand and vault as an entirety,
The load of track plates and empty iron train is carried and dispersed using the domes of tunnel vault.
In order to be more clearly illustrated to the construction method of tunnel-liner of the present invention, we are invented with reference to the accompanying drawing
A kind of preferred embodiment carries out expansion detailed description.
As depicted in figs. 1 and 2, Fig. 1 is the flow diagram of the construction method of the tunnel-liner of an embodiment of the present invention,
Fig. 2 is the tunnel lining structure schematic diagram of construction method according to the present invention.Referring to Figures 1 and 2, the construction method packet of tunnel-liner
Include following steps:
Step 1 carries out secondary lining preparation on the basis of lining at the beginning of tunnel to be onstructed and inverted arch construction are completed；Herein
The just preliminary supporting that lining as prevents Tunnel wall collapsing from carrying out on massif 11, referred to as just 14 its structure of branch reference Fig. 2, this hair
The construction method of bright tunnel-liner is started on the basis of first branch 14.14 end faces of first branch should be carried out before present invention construction
Measurement carries out secondary lining, tunnel water handling facility, built-in fitting and reserved cavern after country rock and just 14 deformation of branch are basicly stable
The installation quality of template etc. will meet design and code requirement, and project should mainly entrust qualified profession detection unit, to two
Lined steel muscle, protective layer thickness, situation of coming to nothing are detected, and are handled undesirable.
Step 2 is laid with splash guard, binds two lined steel muscle；Two linings refer on the basis of first branch, carry out to Tunnel wall
Formal supporting is made of reinforcing bar tunnel soil and waterproof layer.The attached specific knot that splash guard and two lined steel muscle is not shown in the figure of the present invention
Structure is herein construction procedure well known to those skilled in the art, is carried out using well-known technique, no longer excessively repeated herein.
Preferably, step 2 is further comprising the steps of: at the top of the side wall of tunnel two sides install water proof band, it is described every
Water band is preferably water proof steel band, and water proof is to prevent the leakage of liquid with major function, passes through installation water proof band in tunnel-liner
Can prevent blending isolation water environment, while also function to the effect of reinforcement and protection, compared to rubber common in constructing tunnel every
Water band selects water proof steel band to can avoid being punctured in casting and compacting of concrete, and more resistant to corrosion, rework rate is small, makes to apply using the present invention
The Tunnel Engineering more secure and reliable of work mode.
Step 3, the side wall body of pump concrete to tunnel two sides form two lining main structures；Concrete is when pouring
It should work continuously, avoid resting causing " cold seam ".Pour smash the concrete near the water proof band when, answer strict control to pour and smash
Impact force avoids strength excessive and punctures water proof band.It must also sufficiently shock simultaneously, guarantee the close knot of concrete and water proof band
It closes.
Preferably, it is additionally arranged water proof steel band at the top of the side wall of tunnel two sides such as in step 2, then step 3 exists
When " the side wall of pump concrete to tunnel two sides ", the height of casting concrete until above-mentioned water proof width of steel band half
It can stop constructing when concordant, then concrete is consolidated, conserves to form two lining main structures.The quality of concrete is main
Depending on its compactness.Tamping vibration appropriate may insure that concrete tamping is good, to obtain optimal compactness, also
Cement consumption can be saved.A large amount of air in concrete is excluded, concrete strength, durability are increased, reduces voids and pits etc.
Problem.The construction method of tunnel-liner of the invention is mainly the traveling for realizing empty iron train in tunnel, it is therefore desirable in step
It needs to conserve two lining main body mechanisms after the completion of rapid three, keeps two lining main structures more stable, have stronger carrying pre-buried
The ability of part can provide better mounting condition for the hollow iron train rail of step 4 and track installation frame.
Step 4 installs empty iron train rail and track installation frame；Due to the empty iron train in tunnel cannot be as tunnel outside
Column and track girder equally build, therefore need in tunnel-liner setting can for sky iron train the track plates of bearing capacity are provided
2, the running rail by track plates 2 as empty iron train enables train to travel along the extending direction of track plates 2, passes through rail
The bearing capacity of train can be transmitted to tunnel vault and side wall by 1 retaining rail guidance tape 2 of road board mounting stand.Track plates 2 and
Track installation frame 1 is prefabricated components, and track plates 2 and 1 structural schematic diagram of track board mounting stand are as shown in Figure 5-10, refering to Fig. 5,
Track installation frame 1 includes support portion and interconnecting piece, and the support portion is domes, and the interconnecting piece is set to the support portion
Both ends, the arch radian and structure of the support portion be prefabricated according to tunnel vault structure to be onstructed；The support portion and connection
Multiple reserving holes are provided in portion, the track board mounting stand is fixedly arranged on tunnel by the reserving hole and built-in fitting 4
Two lining main structures 10, the domes and tunnel vault of track board mounting stand 1 coincide and become an entirety, track board mounting stand
1 carries using the domes of tunnel vault and disperses the load of track plates 2 and empty iron train.
Tunnel vault is fixed on by track board mounting stand 1 in 2 both ends of track plates, and the track plates are prefabricated components such as Fig. 8-
10, track plates 2 include bearing plate 21, guide plate 22, floor 23, in which: guide plate 22 is vertically set as empty iron train leading plate
It is placed on bearing plate 21, bearing plate 21 is divided into carrying roller and steps on portion 21b and support interconnecting piece 21a, floor 23 adds as longitudinal
Strong plate is fixedly arranged on the lower surface that carrying roller steps on portion 21b, in which: carrying roller is stepped on portion 21b as empty iron train carrying roller is provided and travelled
Track structure plate；Interconnecting piece 21a is supported to connect end as the support for transmitting load and power to supporting element.It is understood that
It is that carrying roller steps on portion 21b for carrying train, therefore its loaded area is greater than support interconnecting piece 21a, and the floor 23 is as longitudinal
Stiffening plate is fixedly arranged on the lower surface that the carrying roller steps on portion 21b, the shape of floor can for "-" type structure, inverted T-shaped structure,
V-shaped structure or other structures；The bending stiffness, hardness and torsional rigidity of track plates 2 can be improved in the design of floor.Guiding
Plate 22 is vertically installed on bearing plate 21 as train leading plate, and when train driving, the load-bearing as train directive wheel is stepped on
Face is that train leading, guide plate 22 described in the present embodiment and bearing plate 21 and floor 23 are integrally formed and process, and is integrally formed
Structure is higher compared to later period combined strength, structure is more stable, while reducing the site-assembled cumbersome degree of construction personnel, mention
High construction efficiency.The guide plate 22 can also be used as independent component and not be integrated with track plates setting, when guide plate 22 is made
When for independent component, in order to enhance its stress, ribs can be set in the opposing face of guide plate stress surface.To make sky iron train edge
2 extending direction of track plates traveling, it is close to each other or away from one another between certain that the carrying roller of two track plates 2 is stepped on portion by the present invention
Gap is symmetrical arranged composition track board group, and the gap can allow for the sunpender 52 of sky iron train to pass through, and the sky iron train turns
It is set in the track board group to frame 51, sunpender 52 specifically can refer to Figure 11, each for connecting train 5 and bogie 51
The track board ends respectively fix by the track board mounting stand adjacent with any two, empty rail in the preferred tunnel of the present invention
Pipeline transportation system is two-way, therefore two track board groups are arranged on a track board mounting stand 1, that is, forms formula sky iron column of requiring to report his or her problems within a prescribed time and in a prescribed place
The track of vehicle makes sky iron train can be realized the two way in tunnel.Those skilled in the art can also be freely arranged in tunnel
Connection type or fixed form between track board mounting stand 1 and track plates 2, the structure that attached drawing is drawn are only to illustrate, specifically
Connection, fixed form can be arbitrarily arranged by those skilled in the art according to practical application, specifically should be according to track plates section shape
Depending on calculating and optimization of the load of shape and train by science, details are not described herein for the calculation method of specific steel construction, still
It calculates in any case and obtains what kind of version, do not depart from the principle and scope of the present invention, the present invention should all be limited to
Protection scope within.
Further, the tunnel sky rail pipeline transportation system of lining construction method of the present invention further includes 3 He of attachment beam
The Specific construction step of inspection platform 8, " install empty iron train rail and track installation frame " of the step 4 includes:
S1, the installation of track board mounting stand, track board mounting stand 1 is transported in tunnel, is uniformly set on track board mounting stand 1
Multiple reserving holes are equipped with, by making the built-in fitting 4 in tunnel double-lining through the reserving hole, track board mounting stand 1 is solid
Set on tunnel vault, the interconnecting piece at 1 both ends of track board mounting stand is served as a contrast with the side wall two of the two sides in step 3 respectively
Built-in fitting 4 in main structure 10 assembles, while the support portion of the track board mounting stand 1 being made to be fixed on tunnel arch wall surface,
Track board mounting stand 1 and vault become an entirety, and track plates and empty iron are carried and dispersed using the domes of tunnel vault
The load of train.The built-in fitting 4 is multiple, and is evenly arranged on the support portion and interconnecting piece of track board mounting stand 1, and rail is made
Road board mounting stand 1 is stronger reliable, while the stability for enhancing track board mounting stand 1 can increase track board mounting stand 1 and tunnel
The contact area of road vault widens the mounting surface where built-in fitting 4.Built-in fitting 4 can be pre-embedded bolt or other structures, sheet
Field technical staff can be according to the type and structure of practical application flexible choice built-in fitting 4, as long as can enable track board mounting stand 1
Enough it is fixed on tunnel vault.The domes span ability of track board mounting stand 1 is larger, with steel bridge and Concrete beam bridge phase
Than great deal of steel and cement can be saved, and the design of arch can bear the pressure bigger than crossbeam, while and tunnel vault
More preferable more firm connection.
Specifically, it is additionally provided with limit 9 on the track board mounting stand, the limit is horizontally set at the track plates
Group is fixed on track board mounting stand 1, and it is bogie by required that limit 9, which is used to limit the height dimension of train to be detected,
On the one hand limit 9 plays cross-brace booster action, also mountable camera, laser radar detection device etc. in another aspect limit
Precise measurement is carried out to empty iron train driving, ensures the safety of train operation.Repeating the above process refering to Fig. 2 makes multiple track plates
Mounting rack 1 is at certain intervals successively along length of tunnel direction location and installation.1 one end of track board mounting stand and track plates at tunnel face
2 connections, the other end are connect with the track girder 16 of the empty iron rail system outside tunnel with column 15, and train 5 can be along track girder 16
Extending direction walking.Through the invention empty rail pipeline transportation system can realize it is external be connected with good in tunnel, guarantee to arrange
Vehicle operates normally.The track girder 16 is conventional empty rail road system structure with column 15, separately has patent description before, herein not
It repeats again.Through the invention the construction method of tunnel-liner can realize it is external be connected with good in tunnel, guarantee train is normal
Operation.
S2, attachment beam are installed, and the adjacent orbit board mounting stand 1 in the present invention is connected by attachment beam, and attachment beam 3 can be improved
Stability and the overall structure rigidity of track board mounting stand group.It is after track plates mounting rack is installed, several attachment beams 3 are horizontal
To being set in turn between the adjacent track board mounting stand 1 of any two at certain intervals, by the both ends of attachment beam 3 respectively with appoint
Two adjacent track board mounting stands 1 of anticipating are fixed, and attachment beam 3 and track board mounting stand 1 constitute main bearing structure.Pass through attachment beam
3 reinforce the structure between track board mounting stand, improve the rigidity of structure, enhance stability.
S3, inspection platform installation, are arranged inspection platform 8 between two adjacent attachment beams 3.The inspection platform 8 can
More people are carried to provide platform and channel to open up fire-fighting evacuation in tunnel as roof fire-fighting evacuation platform.The present invention is implemented
It is connected and fixed between example two neighboring track board mounting stand 1 shown in the drawings by 4 attachment beams, wherein four 3 liang of attachment beam
Two 1 groups, be divided into two groups, be symmetrically disposed on track board group two sides, between two track board groups two adjacent attachment beams it
Between there are gap, the gap is used for installation and repairing platform 8.It similarly, can using the attachment beam between each track board mounting stand
Further to install other equipment, such as third party's conductor rail, operation power is provided for train；It is monitoring of tools such as video camera
Image is provided；Air duct is such as installed, is displaced air in tunnel；Such as signal lamp, signal designation is provided for train driving；It even can be with
Guide plate required for train bogie is set on connection beam, attachment beam of the present invention it is mountable among the above any one or
Any combination, setting in this way, the present invention realize the space made full use of between track board mounting stand, reach space benefit
It is maximized with efficiency.
It is close to each other or away from one another between certain to be stepped on portion 21b by S4, track plates installation for the carrying roller of two track plates 2
Gap is symmetrical arranged composition track board group, and it is between sky iron train and its bogie that the gap, which can allow for sky iron train to pass through,
Sunpender required for limit space.Adjacent with any two track plates installation respectively of each 2 both ends of the track plates
Frame 1 is fixed, and the track board group is set in interval described in S2, i.e., the inside of the two neighboring attachment beam 3.Track plates support
For setting up track plates 2, empty iron train 5 can walk frame 1 along the extending direction of track plates 2.It should be noted that above-mentioned track
Board mounting stand 1, track plates 2, attachment beam 3 quantity depend on the physical length and internal structure in tunnel, 2 length of track plates is too long
Then rigidity is low, stability is poor；The quantity of the too short correspondingly track board mounting stand 1 of 2 length of track plates and attachment beam 3 increases therewith,
Material is wasted, working hour is expended.
S5, supporting element installation, the invention also includes the supporting elements 5 for consolidating track, and supporting element 6 is as track plates 2
Load and the transmission member of power are set between track board mounting stand 1 and track plates 2, by 6 one end of supporting element and track installation frame 1
Connection, the other end are connect with the support interconnecting piece 21a of track plates 2.When train passes through track plates, power is passed through branch by track plates 2
Support member 6 passes to track board mounting stand 1, and transmission member of the supporting element 6 as load and power passes through the load on track plates 2
Tunnel vault is dispersed and be uniformly transmitted to power by track board mounting stand 1, to bear the load of rail system and train, guarantees column
Vehicle is steady, safely runs.Those skilled in the art can be according to the load of track strip profile and train by scientific meter
Quantity, structure and the type of attachment of calculation and optimization and practical application flexible design supporting element 6, to realize track plates 2 and rail
Connection, support and conduction between road board mounting stand 1, this adjustment to quantity, structure and type of attachment without departing from
The principle and scope of the present invention should all limit within protection scope of the present invention.
The construction method of tunnel-liner of the present invention first installs primary load bearing structure, i.e. track board mounting stand 1 and attachment beam 3,
Secondly the installation accuracy of installation and repairing platform 8, main bearing structure and maintenance platform 8 is without accurate, track plates 2 and its supporting element 6
During the installation process, it needs to provide mounting condition using main bearing structure and inspection platform 8, sequence of construction in this way can benefit
With the accurate location of main bearing structure and the accurate high-speed rail guidance tape 2 of attachment beam 3.Further, step 4 is further comprising the steps of: mentioning
For pipeline piping lane, the pipeline piping lane 7 is set to 3 top of attachment beam.The pipeline piping lane 7 is hollow structure, is set to
For providing gantry, art technology for power cable, light conduits, signal cable, optical cable, communication cable etc. on attachment beam 3
Personnel can be according to the quantity and structure of practical application flexible design pipeline piping lane 7.
Step 5, pump concrete to tunnel vault.After track board mounting stand and empty rail road are installed, to step
Three two lining main structures 10 carry out dabbing flushing, and dabbing serves as a contrast the floating of main structure concrete surface primarily to cutting original two
Slurry, because forming construction joint when bond between fresh and hardened concretes in junction, the continuity of concrete structure being influenced, to agent on crack resistance of concrete
It is curved, shearing resistance is less advantageous.The case where mutual dislocation can be generated when bending resistance；If surface is not obtained in the phenomenon that plane, dislocation
To improvement；It is more advantageous for shearing resistance, because bond between fresh and hardened concretes portion is with certain roughness and has indenting resistance
Power, it is not easy to generate destruction.Dabbing can make the concrete compaction of the old and new junction, be firmly combined.Continue to pour after for clearance
Concrete completes construction until tunnel vault.
It should be noted that generally there is outer suspension type in common empty rail road, (bogie of empty iron is set to track girder
It is external) and interior suspension type (the hollow inside that the bogie of empty iron is set to track girder).In country's outer space iron generally uses at present
Suspension type, interior suspension type sky rail pipeline transportation system refering to fig. 11.The carrying roller of two track plates 2 in track board group steps on portion 21b
Close to each other as shown in Figure 8, further, train 5 is set between track board group by bogie 51, and bogie 51 is held at this time
Roller is set to carrying roller and steps on portion 21b, and guide plate 22 is 51 leading of bogie as the guiding wheel tread of bogie 51, turns to
It being connected between frame 51 and train 5 by sunpender 52, carrying roller is rolled along 2 length direction of track plates, and drive train 5 to move ahead, one
It is symmetrical arranged on track board mounting stand 1 there are two track board group, the tunnel-liner method of attached drawing signal of the present invention is two-way to accommodate
The interior suspension type sky rail pipeline transportation system for travelling train, the empty rail road built due to the construction method of tunnel-liner of the present invention
Traffic system eliminates pillar construction, and those skilled in the art can effectively reduce the line spacing of two-wire, advantageously reduce when designing
Tunnel width reduces tunnel construction cost.
Outer suspension type sky iron is divided into unilateral externally-hanging type and bilateral externally-hanging type, the bogie and railway carriage of unilateral outer suspension type sky iron
Between an only C-shaped sunpender, C-shaped sunpender is located at the side of track plates；Between the bogie and railway carriage of bilateral externally-hanging type sky iron
There are two sunpenders or connector, sunpender or connector are located at the two sides of track plates.Externally-hanging type track plate arrangement such as Fig. 9
Shown, the carrying roller of two track plates 2 in track board group steps on portion 21b away from one another, and bogie carrying roller, which is set to, at this time holds
Roller is stepped on portion 21b, and guide plate 22 is bogie leading as the guiding wheel tread of bogie, is passed through between bogie and train
C-shaped sunpender or connector connection, carrying roller are rolled along 2 length direction of track plates, and train is driven to move ahead, one track plates peace
It shelves and is symmetrical arranged there are two track board group, so the construction method of tunnel-liner of the present invention is applied equally to externally-hanging type sky
Rail pipeline transportation system can also accommodate the train of two way simultaneously, the track board group when empty iron train is outer suspension type
It seamless can be symmetrical arranged.It is understood that since outer suspension type sky rail road other structures are described with aforementioned present invention
Interior suspension type sky rail road it is identical, so no longer carry out drawings in detail explanation.
The construction method of tunnel-liner of the present invention further includes following steps: providing drainage pipeline 12 and side as shown in figure 11
The drainage pipeline 12 is set to below tunnel ground by square evacuation platform 13, and drainage pipeline answers 12 preferably to serve as a contrast main body knot two
Structure is completed before pouring, and the ground in tunnel can be built jointly with ground pavement, car lane, provides other vehicles and pedestrians
Condition, when tunnel is built, water flow can be guided to from all quarter tunnel bottom by reserved gutter, gutter, and tunnel bottom is set
The drainage pipeline 12 of longitudinal charge for remittance is set, arrangement form, sectional dimension and the head fall of drainage pipeline 12, are big according to water
It is small, what the factors such as line slope, tunnel construction requirement determined.The construction method of tunnel-liner of the present invention makes full use of tunnel side
Wall is arranged with Train door to just and the side evacuation platform 13 concordant with load carrying floor, and side evacuation platform 13 can be according to rail
The mounting means of road board mounting stand 1 carries out, and the base station predicted position of pump concrete to side evacuation platform 13 is reached to concrete
To the base station of certain carrying degree installation side evacuation platform 13, casting concrete is continued thereafter with to vault.The present invention, which utilizes, to be had
Tunnel emergency evacuation efficiency is improved in the space of limit, guarantees the safety of traffic system in tunnel, avoids that accident occurs when evacuation.
The present invention can also be reduced to single-track tunnel, i.e., one group of track board group is only arranged on track board mounting stand, for train list
Line traveling.No matter double track tunnel or single-track tunnel, belong to design philosophy of the present invention, all fall in the scope of protection of the present invention.This
Track switch in invention tunnel not necessarily like tunnel outside track switch equally there is huge volume, the maintenance on turnout of being more convenient for and maintenance worker
Make.
In technical solution in above-mentioned the embodiment of the present application, at least have the following technical effect that and advantage:
After the construction method of tunnel-liner of the present invention forms two lining main structures by pump concrete to two sides abutment wall, peace
Empty iron train rail and track installation frame are filled, dabbing cleaning pump concrete is until tunnel after empty iron train rail is installed
Vault.So that sky iron train rail and two lining main structures is formed good stress entirety by such method, makes sky iron train
Run more stable, more secure and reliable.The construction method of tunnel-liner of the present invention solves sky iron by using track board mounting stand
Rail Transit System can not set up column in tunnel to support the problem of empty iron train, be made by structures such as attachment beam supporting elements
Empty rail road is more stable, durable in tunnel.The configuration of the present invention is simple, material easily obtain, and construction cost is low, using tunnel of the present invention
Construction efficiency can be improved in the construction method of lining cutting and the present invention is not high to the technical requirements of construction personnel, while the present invention is without vertical
Column can effectively reduce the line spacing of two-wire, reduce tunnel width, save tunnel construction cost.
The construction method of tunnel-liner of the present invention makes full use of the space between track board mounting stand that inspection platform is arranged, simultaneous
Make roof evacuation platform, provides platform and channel to open up fire-fighting evacuation in tunnel；Side rationally is set using tunnel-side space
Square evacuation platform improves tunnel emergency evacuation efficiency by roof evacuation platform and side evacuation platform, guarantees traffic in tunnel
The safety of system avoids that accident occurs when evacuation.
The construction method of tunnel-liner of the present invention is by calculating tunnel vault at a distance from the ground of bottom, tunnel of making rational planning for
Inner space is arranged empty rail pipeline transportation system in tunnel top, does not interfere tunnel ground pavement, car lane etc., provide
The problem of peak time communications and transportation blocks is effectively relieved in the condition of other vehicles and pedestrians.
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical",
"horizontal", "inner", "outside" etc. indicate that the term of direction or positional relationship is direction based on the figure or positional relationship, this is only
It is merely for convenience of describing, rather than indication or suggestion described device or element must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used for
Purpose is described, relative importance is not understood to indicate or imply.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
Term " includes " or any other like term are intended to cover non-exclusive inclusion, so that including a system
Process, article or the equipment/device of column element not only include those elements, but also other are wanted including what is be not explicitly listed
Element either further includes these processes, article or the intrinsic element of equipment/device.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of construction method of tunnel-liner, which comprises the steps of:
Step 1 carries out secondary lining preparation on the basis of lining at the beginning of tunnel to be onstructed and inverted arch construction are completed；
Step 2 is laid with splash guard, binds two lined steel muscle；
Step 3, the side wall body of pump concrete to tunnel two sides form two lining main structures；
Step 4 installs empty iron train rail and track installation frame；
Step 5, pump concrete to tunnel vault.
2. the construction method of tunnel-liner according to claim 1, which is characterized in that " the secondary lining of the step 1
Preparation " is further comprising the steps of: measuring before construction to first lining end face, carries out two after country rock and just lining stabilization
Secondary lining cutting handles tunnel water handling facility, built-in fitting and reserved cavern's template, to two lined steel muscle, protective layer thickness, takes off
Air situation condition is detected.
3. the construction method of tunnel-liner according to claim 1, which is characterized in that " be laid with waterproof in the step 2
Plate binds two lined steel muscle " further comprising the steps of: water proof steel band is installed at the top of the side wall of tunnel two sides.
4. the construction method of tunnel-liner according to claim 3, which is characterized in that " pump described in the step 3
The side wall body for sending concrete to tunnel two sides forms two lining main structures " further include steps of pump concrete extremely
The side wall of tunnel two sides forms two lining main body knots until the concrete is concordant with the half of the water proof width of steel band
Structure.
5. the construction method of tunnel-liner according to claim 1, which is characterized in that after the completion of the step 3, also need
Two lining main structures are conserved, enabling two lining main structures is that the hollow iron train rail of step 4 and track installation frame mention
For better mounting condition.
6. the construction method of tunnel-liner according to claim 1, which is characterized in that the column of sky iron described in the step 4
Track road is track plates, and the track installation frame is track board mounting stand, and empty iron train rail and track installation frame are prefabricated
Component, in which:
The track installation frame includes support portion and interconnecting piece, and the support portion is domes, and the interconnecting piece is set to institute
The both ends of support portion are stated, the arch radian and structure of the support portion are prefabricated according to tunnel vault structure to be onstructed；The support
Multiple reserving holes are provided in portion and interconnecting piece, the track board mounting stand is fixed by the reserving hole and built-in fitting
In tunnel double-lining main structure.
7. the construction method of tunnel-liner according to claim 6, which is characterized in that the track board ends pass through described
Track board mounting stand is fixed on tunnel vault, and the track plates are prefabricated components, the track plates include bearing plate, guide plate,
Floor, in which:
The guide plate is vertically installed on the bearing plate as empty iron train leading plate, and the bearing plate is divided into load-bearing
Wheel steps on portion and support interconnecting piece, and the floor is fixedly arranged on the lower surface that the carrying roller steps on portion as longitudinally reinforced plate, in which:
The carrying roller steps on track structure plate of the portion as the empty iron train carrying roller traveling of offer；
The support interconnecting piece connects end as the support for transmitting load and power to supporting element.
8. the construction method of tunnel-liner according to claim 1, which is characterized in that the tunnel-liner further includes connection
" install empty iron train rail and track installation frame " of beam and inspection platform, the step 4 include:
S1, the installation of track board mounting stand, track board mounting stand are transported in tunnel, by making built-in fitting through the track
Reserving hole on board mounting stand makes the interconnecting piece at the built-in fitting both ends side wall with the two sides in step 3 respectively
Body two serves as a contrast the end assembly of main structure, while the support portion of the track board mounting stand being made to be fixed on tunnel arch wall surface, weight
The multiple above process makes multiple track board mounting stands at certain intervals successively along length of tunnel direction location and installation；
Several attachment beams are laterally set in turn in the adjacent track of any two by S2, attachment beam installation at certain intervals
Between board mounting stand, by the both ends of the attachment beam, the track board mounting stand adjacent with any two is fixed respectively, described
Attachment beam and the track plates mounting frame are at main bearing structure；
S3, inspection platform installation, are arranged inspection platform between two adjacent attachment beams；
It is close to each other or away from one another symmetrically set with certain interval to be stepped on portion by S4, track plates installation for the carrying roller of two track plates
Set composition track board group, the gap can allow for sky iron train to pass through, each track board ends respectively with any two
The adjacent track board mounting stand is fixed, and the track board group is set in interval described in S2, i.e., the two neighboring connection
The inside of beam；
S5, supporting element installation, supporting element are set between the track board mounting stand and the track plates, make the supporting element one
End is connect with the track installation frame, and the other end is connect with the support interconnecting piece of the track plates.
9. the construction method of tunnel-liner according to claim 8, which is characterized in that the step 4 further includes following step
It is rapid:
Pipeline piping lane is provided, the pipeline piping lane is set to above the attachment beam.
10. the construction method of tunnel-liner according to claim 1, which is characterized in that the step 5 " pump concrete
To tunnel vault " further comprising the steps of before:
The two lining main structure concrete described in step 3 carry out dabbing flushing.
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| CN208586476U (en) * | 2018-05-16 | 2019-03-08 | 中唐空铁科技有限公司 | A kind of sky iron track girder |
| CN108505407A (en) * | 2018-05-18 | 2018-09-07 | 中铁二院工程集团有限责任公司 | A kind of construction method of full-prefabricated assembled concrete shipping suspension type monorail structure |
| CN110080806A (en) * | 2019-05-05 | 2019-08-02 | 中交第三航务工程局有限公司 | A kind of construction technology of tunnel trunk secondary lining |
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