CN107905818A - A kind of tunnel concrete lining construction ancillary equipment and construction technology - Google Patents
A kind of tunnel concrete lining construction ancillary equipment and construction technology Download PDFInfo
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- CN107905818A CN107905818A CN201711305324.6A CN201711305324A CN107905818A CN 107905818 A CN107905818 A CN 107905818A CN 201711305324 A CN201711305324 A CN 201711305324A CN 107905818 A CN107905818 A CN 107905818A
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- template
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- tunnel
- stent
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- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000005516 engineering process Methods 0.000 title abstract description 11
- 238000005266 casting Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000009416 shuttering Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 7
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- 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
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- 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
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of tunnel concrete lining construction ancillary equipment and construction technology, belongs to tunnel building technology field.The auxiliary construction equipment includes：Template and stent, stent support shuttering make it have pre-set space between tunnel surrounding, and template includes the polylith subtemplate being detachably connected；The total length of polylith subtemplate is arranged to：After pre-set space casting concrete between the subtemplate and tunnel surrounding at template tail end, the concrete in the pre-set space between subtemplate and tunnel surrounding at template head end reaches default curdled appearance；Stent includes two sets of broad-adjustable submounts, and when the reduced width of a set of submounts, it can depart from the support to template and move the distance of at least one sub- template length along the length direction of stent.Tunnel concrete lining construction ancillary equipment provided by the present invention make it that concrete- liner construction is continuous uninterrupted, improves construction efficiency, reasonable arrangement human and material resources.
Description
Technical field
The present invention relates to tunnel building technology field, more particularly to a kind of tunnel concrete- liner ancillary equipment and construction technology.
Background technology
Tunnel is a kind of important means of transportation, when building subway, Chuan Shan highways, is required for building tunnel.Usually
Ensure the safe to use of tunnel, be provided with the concrete- liner formed by concrete along the country rock of tunnel trunk.Pass through concrete- liner pair
Tunnel surrounding forms permanent support, avoids tunnel surrounding from collapsing.As it can be seen that it is particularly significant that concrete- liner is built in constructing tunnel.
In the prior art, when building tunnel concrete- liner, using stent and template as ancillary equipment.Specifically, stent
Including joist, and it is fixed on the top beam set on joist along length of tunnel direction.Wherein, the radial section shape of joist and template
Shape is adapted with the radial cross-sectional shape in tunnel.Illustratively, when tunnel is arch, joist and template are in arcuation.When in use,
Diaphragm plate is placed on the top beam of stent, and ensures that template surface forms pre-set space with tunnel surrounding surface., will be mixed during construction
Solidifying soil is filled in the pre-set space between template and tunnel surrounding.3~4 days are stood so that concrete reaches default solidification afterwards
It is required that form first segment concrete- liner.Template is dismantled afterwards, and mobile stent, builds according to above-mentioned technique close to first segment concrete- liner
Second segment concrete- liner.And so on, until building and the isometric concrete- liner in tunnel.
In the implementation of the present invention, inventor has found that the prior art has at least the following problems：
For construction technology of the prior art there are low construction efficiency, personnel, equipment arrange the problem of unreasonable.It is specific next
Say, in the prior art, within the period for standing concrete, other operations can not be carried out again, can just start to collect after the standing
Middle construction.So not only delay the construction period, influence construction efficiency, while concentrate input human and material resources, easily cause job placement
It is chaotic.
The content of the invention
In order to solve concrete- liner construction technology in the prior art, there are low construction efficiency, personnel, equipment arrangement are unreasonable
Defect, an embodiment of the present invention provides a kind of tunnel concrete lining construction ancillary equipment and technique.The technical solution is specific as follows：
In a first aspect, an embodiment of the present invention provides a kind of tunnel concrete lining construction ancillary equipment, including：Template and branch
Frame, the stent support the template it is had pre-set space between tunnel surrounding,
The total length of the polylith subtemplate is arranged to：When to the subtemplate at the template tail end and the tunnel
After pre-set space casting concrete between road country rock, between the subtemplate and the tunnel surrounding at the template head end
Pre-set space in concrete reach default curdled appearance；
The stent includes two sets of width and adjustable for height submounts, when the width and height of a set of submounts contract
Hour, it can depart from the support to the template and move at least one subtemplate length along the length direction of the stent
Distance.
Alternatively, it is connected between multiple subtemplates by connection component.
Alternatively, the submounts include：The joist of the arch formed by two Curved beams；
It is fixed on by height difference block on the joist outer surface, the top beam set along the length of tunnel direction；
The telescopic crossbeam that both ends are connected with two Curved beams inner sides respectively；And
It is arranged on the telescopic pillar of the joist lower end.
Alternatively, the submounts further include：One end connects the crossbeam lower surface, the other end is connected in the Curved beam
The raker beam on surface.
Alternatively, the top beam of two sets of submounts distributes alternately.
Alternatively, the stent further includes while connects the propulsion assembly of two sets of submounts.
Alternatively, an advance distance of the propulsion assembly is the length of at least one subtemplate.
A kind of second aspect, there is provided tunnel concrete lining construction work of the concrete- liner construction equipment provided using first aspect
Skill, the technique include：
Stent, be placed in tunnel by step 1, and template is placed on the bracket, the template and the tunnel
There is pre-set space between country rock；
Step 2, by the template head end into the template tail end corresponding pre-set space casting concrete；
Step 3, after the pre-set space casting concrete at the template tail end, respectively move two cover branch
Frame, so that the head end of the stent departs from the support to the template, the tail end of the stent is at least one beyond the template
The length of the template；
The subtemplate at step 4, the dismounting template head end, and the subtemplate under being disassembled is installed on institute
State the end that stent exceeds the template；
Step 5, the casting concrete into the pre-set space for the subtemplate newly installed；
Step 6, repeating said steps 3~5 to the completion concrete- liner.
Alternatively, it is described to move two sets of submounts respectively and include：
Step 301, the width and height for reducing a set of submounts, to depart from the support to the template；Edge afterwards
Move the distance of at least one subtemplate length of submounts in the length of tunnel direction；Recover the submounts to institute
State the support of template；
Step 302, according to the step 301 move the another set of submounts.
Alternatively, the step 301 includes：
Crossbeam, pillar and the raker beam of a set of submounts are shunk, so that the top beam of the submounts departs to institute
State the support of template；
The propulsion assembly promotes, and makes described in tail end one of the tail end of the submounts beyond the another set of submounts
The distance of subtemplate；
The crossbeam, pillar and the raker beam of the submounts are extended, to recover support of the top beam to the template.
The beneficial effect that technical solution provided in an embodiment of the present invention is brought is：
The present invention implements provided ancillary equipment, wherein when the pre-set space to template tail end virgin's template pours coagulation
After soil, the concrete segment in the pre-set space of template head end virgin's template reaches default curdled appearance.Thus by dismounting template
The subtemplate of head end, and new installation position is formed after mobile stent, installation is disassembled subtemplate again afterwards, completes this and continuously applies
Work.So so that tunnel concrete lining cutting building course is continuously uninterrupted so that working procedure is more reasonable, substantially increases construction
Efficiency, avoids low construction efficiency in the prior art, and human and material resources arrange the defects of unreasonable.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of side structure schematic diagram of tunnel concrete lining construction ancillary equipment provided in an embodiment of the present invention；
Fig. 2 is the section structure signal of stent in a kind of tunnel concrete lining construction ancillary equipment provided in an embodiment of the present invention
Figure；
Fig. 3 is the knot of subtemplate connection component in a kind of tunnel concrete lining construction ancillary equipment provided in an embodiment of the present invention
Structure schematic diagram.
Mark in attached drawing is respectively：
1st, template；
11st, subtemplate；
12nd, connection component；
121st, the first fixing bolt；
122nd, the second fixing bolt；
123rd, connection sheet；
124th, nut；
2nd, stent；
21st, submounts；
211st, joist；
212nd, top beam；
213rd, crossbeam；
214th, pillar；
215th, raker beam；
X, Curved beam；
22nd, propulsion assembly.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
First, the term position appeared in the embodiment of the present invention is explained, illustrated.In embodiments of the present invention,
Concrete- liner is built since the one end in tunnel, then head end is known as close to the one end for building concrete- liner first with template 1 and stent 2,
Tail end is known as close to rear one end for building concrete- liner with template 1 and stent 2.Also, the direction of advance of stent 2 is directed toward tail by head end
End.
Involved " length " refers to the size along length of tunnel direction in the embodiment of the present invention, and " width " refers to along tunnel
The size of width, " height " refer to the size along tunnel radial direction.
The tunnel concrete lining construction ancillary equipment and technique provided below for the embodiment of the present invention carries out detailed
Explanation.
Referring to Fig. 1, Fig. 2, an embodiment of the present invention provides a kind of tunnel concrete lining construction ancillary equipment, including：Template 1 with
Stent 2,2 support shuttering 1 of stent make it have pre-set space between tunnel surrounding.Wherein, template 1 includes what is be detachably connected
Polylith subtemplate 11；The total length of polylith subtemplate 11 is arranged to：When to the subtemplate 11 and tunnel surrounding at 1 tail end of template
Between pre-set space casting concrete after, in the pre-set space between subtemplate 11 and tunnel surrounding at 1 head end of template
Concrete reaches default curdled appearance.
Stent 2 includes two sets of width, adjustable for height submounts 21, when the width and reduced height of a set of submounts 21
When, it can depart from the support to template 1 and move the distance of at least one 11 length of subtemplate along the length direction of stent 2.
The operation principle for the tunnel concrete- liner ancillary equipment that the embodiment of the present invention is provided is as follows：
When in use, laying bracket 2 in tunnel, and template 1 is placed on stent 2, and adjust two sets of submounts 21
Width effective support is formed to template, form pre-set space between template 1 and tunnel surrounding at this time.The backward pre-set space
Casting concrete, forms concrete segment.Since the total length of subtemplate 11 meets the following conditions：When to the son at 1 tail end of template
After pre-set space casting concrete between template 11 and tunnel surrounding, subtemplate 11 at 1 head end of template and tunnel surrounding it
Between pre-set space in concrete segment reach default curdled appearance.In other words, by the institute of subtemplate 11 positioned at 1 head end of template
The concrete segment of support has reached default solidification and has required, therefore the subtemplate 11 of 1 head end of template can be removed.At this time, first contract
The width and height of small a set of submounts, disengage it from the support to template, and the tail end of its towards template is moved at least one
The distance of a sub- template length, increases the width of the set submounts afterwards, its recovery is supported template；Reduce again afterwards
The width of another set of submounts, disengages it from the support to template, and the tail end of its towards template is moved an at least submodule
The distance of plate length, is further added by support of the width recovery of the set submounts to template.Pass through the alternating of above-mentioned two sets of subtemplates
Walking, makes the overall distance that at least one subtemplate length is moved towards the direction of template tail end of stent 2, so that stent 2
One end depart from support to 1 head end subtemplate 11 of template, the other end of stent 2 forms new at the tail end close to template 1
The installation space of subtemplate 11.In this way, the subtemplate 11 of 1 head end of detachable template, and the subtemplate 11 under being disassembled is pacified
At the new installation space formed mounted in stent 2.And then the new subtemplate 11 installed in 1 tail end of stent and tunnel surrounding it
Between form pre-set space again, so can form new concrete segment to the pre-set space casting concrete.And complete
After new concrete segment, the 11 corresponding concrete segment of subtemplate of 1 first section of template has equally reached default curdled appearance at this time, because
This can continue aforesaid operations until completing and the isometric concrete segment in tunnel, i.e. completion tunnel concrete- liner.
Tunnel concrete lining construction ancillary equipment provided in an embodiment of the present invention, using by multiple subtemplates being detachably connected
11 templates 1 formed, and the stent 2 formed by two submounts 21 that can be walked relatively, realize the continuous of concrete- liner and apply
Work.Especially by the subtemplate 11 of dismounting 1 first section of template, and new installation position is formed after mobile stent 2, quilt is installed again afterwards
Subtemplate 11 is dismantled, completes the continuous construction.Therefore overall tunnel concrete- liner building course is continuously uninterrupted, and procedure arrangement closes
Reason, substantially increases construction efficiency, avoids low construction efficiency in the prior art, and human and material resources arrange the defects of unreasonable.
Furthermore, it is necessary to explanation, in the prior art, also there are adjacent concrete section seam crossing stability difference ask
Topic, it is specific as follows：
Required since a section concrete section needs standing 3~4 days in the completed with reaching default solidification, afterwards again adjacent
Build another section concrete section in position.At this time, two section concrete sections formed when the interval long period, its curdled appearance difference compared with
Greatly, therefore easily there is internal stress in the intersegmental junction of adjacent concrete.The stability of concrete segment junction is so reduced,
And then the quality of finally formed tunnel concrete- liner is influenced, damage the safety in utilization of tunnel concrete- liner.
And in embodiments of the present invention, by the tunnel concrete lining construction ancillary equipment, when building concrete- liner, except head
Secondary primary concreting and the isometric concrete segment of template 1, build the length for only carrying out a subtemplate 11 every time afterwards.Cause
This, substantially reduces molding time interval between adjacent concrete section so that adjacent concrete segment is more easy to connect, Jin Erke
The seam stability of concrete segment connecting place is effectively improved, and then ensures the quality of built tunnel concrete- liner, improving it makes
Use security.
Further, done as described in detail below for the quantity of subtemplate 11.
In embodiments of the present invention, the length of concrete segment of the minimum number of subtemplate 11 with completion can be poured daily
It is related.For example, using one day 3 classes of working system, per tour can complete the concrete segment of 2 cross-talk template, 11 length, and mixed
Solidifying soil section reaches default solidification and requires the 4 day time of needs；Then the minimum number for the subtemplate 11 that template 1 is included is：3×2×4
=24.During first casting concrete section, succession pours the concrete segment of 24 cross-talk template, 11 length, only needs to install during being somebody's turn to do
Subtemplate 11, without dismantling subtemplate 11.After the 24th cross-talk template 11 has been poured, completion pours for the first time.At this time, template 1 is first
First subtemplate, the 11 corresponding concrete segment of section has reached default solidification and has required, therefore dismountable first subtemplate 11.
Stent 2 is moved afterwards, is removed and is reinstalled first the 24th subtemplate 11 of formation of subtemplate 11, and after reinstalling
Subtemplate 11 at placing concrete.Obviously, the time needed for a series of this operation, more than pouring corresponding to a subtemplate 11
Concrete segment needed for time.Therefore at this time, second original subtemplate 11 be first present subtemplate 11 pair
The concrete segment answered also has reached default solidification and has required, dismountable subtemplate 11.And then circulate and carry out above-mentioned steps, to completion tunnel
Road concrete- liner.
Certainly, the concrete segment of 2 cross-talk template, 11 length can be completed according to the working system of 2 classes of productions in one day, per tour,
Then the minimum number for the subtemplate 11 that template 1 is included is：2 × 2 × 4=16.In embodiments of the present invention, for subtemplate 11
Particular number do not limit, can according to mentioned above principle with regard to real work arrangement set.
Further, it is connected between connected subtemplate 11 by connection component 12.On 11 connection components 12 of subtemplate
Specific implementation form, the embodiment of the present invention is not specifically limited.
Illustratively, referring to Fig. 3, connection component 12 includes the first fixing bolt 121 being arranged on one piece of subtemplate 11, with
And the second fixing bolt 122 on adjacent subtemplate 11 is arranged on, while connect the first fixing bolt 121 and the second fixing bolt
122 connection sheet 123, and the nut being adapted with the first fixing bolt 121, the second fixing bolt 122.In use, by son
The one of bolt is connected with template 11 facing to tunnel internal, is not connected with the one of bolt facing to tunnel surrounding.In two pieces of connection
During subtemplate 11, connection sheet 123 is connected into the first fixing bolt 121 and the second fixing bolt 122 at the same time, is fixed afterwards first
Attaching nut 124 on 121 and second fixing bolt 122 of bolt, to be fixedly connected with piece 123, completes the connection of adjacent subtemplate 11.
During dismounting, nut 124 is screwed off, removes connecting plate 123.
Other can realize that the mode that adjacent subtemplate 11 is detachably connected can be applied in the embodiment of the present invention.
The continuous of template 1 when building concrete- liner is realized by the subtemplate 11 being detachably connected to advance, and then is improved
Construction effect.When template 1 is advanced, two sets of submounts 21 in stent 2 are also required to one side support shuttering 1, one side advanced in unison,
It will be described in detail below for the structure of stent 2.
Wherein, referring to Fig. 2, and Fig. 1 is combined, submounts 21 include：By two Curved beam X-shapeds into arch joist 211；
Top beam 212 on 211 outer surface of joist is fixed on by height difference block；Both ends are connected scalable with two Curved beams inner sides respectively
Crossbeam 213；And it is arranged on the telescopic pillar 214 of 211 lower end of joist.Wherein, the flexible of crossbeam 213 can make two
Distance increase or diminution between Curved beam X adjacent end portions；And top beam 212 is set along length of tunnel direction.
In movement wherein a set of submounts 21, the pillar 214 of the submounts 21 is shunk, so that the height of the submounts 2
Reduce the distance of a height difference block；Shrinking the crossbeam 213 of the submounts 21 makes two Curved beam X close, and then is used to support tunnel
The top beam 212 of template 1 departs from 1 inner surface of template at road gusset.At this time, the top beam 212 of submounts 21 to be moved no longer supports
Template 1, can smoothly advance pre-determined distance.After submounts 21 advance, elongate struts 214 and crossbeam 213 so that top beam
212 support shuttering 1 again.At this time another set of submounts 21 are moved according still further to above-mentioned steps.
In submounts 21 provided in an embodiment of the present invention, by two Curved beam X-shapeds into joist 211 so that its
On the premise of satisfaction is adapted with tunnel cross sectional shape, it can depart from top beam 212 to contract and template 1 supported.And lead to
Downward, the inward displacement headspace that height difference block is top beam 212 are crossed, realizes the smooth walking of submounts 21.
Preferably, the top beam 212 of two sets of submounts 21 distributes alternately.So when a set of submounts 21 move, its top beam 212
When departing from the support to template 1, another set of submounts 21 can keep uniform to template 1, comprehensive supporting, avoid the occurrence of supporting
Weak link causes template 1 to cave in.
Further, which further includes：Table in 213 lower surface of one end connecting cross beam, other end connection Curved beam X
The telescopic raker beam 215 in face.In embodiments of the present invention, raker beam 215 be crossbeam 213 stretch, contracting when floor stringer.Due to
The overall dimensions of stent 2 are larger, thus by raker beam 215 can ensure joist shrink when uniform force, avoid the occurrence of deflection.
Further, advance for the ease of the opposite of submounts 21, stent 2 further includes while connects two sets of submounts 21
The propulsion assembly 22 of joist 211.Also, the distance once promoted of propulsion assembly 22 is the length of a subtemplate 11.Change speech
It, a submounts 21 are opposite with respect to another submounts 21 to walk once, the length for the subtemplate 11 that as advances.So
In mobile stent 2, pull by the once promotion of propulsion assembly 22 and once and realize two sets of one submodules of advance of submounts 21
The length of plate 11.Also, the new installation space that the advance of stent 2 is formed also has the length of a subtemplate 11, Jin Erbao
The stability of the new installation subtemplate 11 of card.
In embodiments of the present invention, for propulsion assembly 22, telescopic crossbeam 213, pillar 214 and raker beam 215
Specific implementation be not specifically limited, such as use hydraulically extensible cylinder.
The tunnel concrete lining construction ancillary equipment provided by the embodiment of the present invention, it is continuous to realize concrete- liner construction
Change, significantly improve construction efficiency, it is more reasonable to human and material resources utilization.
Second aspect of the embodiment of the present invention provides a kind of tunnel concrete lining construction technique, the above-mentioned first party of the technology utilization
The ancillary equipment that face is provided carries out.Specifically, which includes：
Stent 2, be placed in tunnel by step 1, template 1 is placed on stent 2, between template 1 and the country rock in tunnel
With pre-set space；
Step 2, by 1 head end of template into 1 tail end of template corresponding pre-set space casting concrete；
Step 3, after the pre-set space casting concrete at 1 tail end of template, respectively move two sets of submounts 21, with
Make support of the head end disengaging of stent 2 to template 1, the tail end of stent 2 exceeds the length of at least one template 1 of template 1；
Subtemplate 11 at step 4, dismounting 1 head end of template, and the subtemplate 11 under being disassembled exceeds installed in stent 2
The end of template 1；
Step 5, the casting concrete into the pre-set space for the subtemplate 11 newly installed；
Repeat step 3~5 to complete concrete- liner.
The tunnel concrete lining construction technique provided by the embodiment of the present invention so that overall concrete- liner construction technology is continuous
Uninterruptedly, construction efficiency, while reasonable arrangement human and material resources are substantially increased, avoid concentrating construction, construction in the prior art not
The defects of coherent.
Further, moving two sets of submounts 21 in step 3 respectively includes：
Step 301, the width and height for reducing a set of submounts 21, to depart from the support to template 1；Grown afterwards along tunnel
Spend the distance of direction movement at least one 11 length of subtemplate of submounts 21；Recover support of the submounts 21 to template 1；
Step 302, according to step 301 move another set of submounts 21.More specifically, above-mentioned steps 301 further include：
First, the crossbeam 213, pillar 214 and raker beam 215 of a set of submounts 21 are shunk, so that the top of submounts 21
Beam 212 departs from the support to template 1.Secondly, propulsion assembly 22 promotes, and the tail end of submounts 21 is exceeded another set of submounts 21
One subtemplate 11 of tail end distance.Finally, crossbeam 213, pillar 214 and the raker beam 215 of submounts 21 are extended, to recover
Support of the top beam 212 to template 1.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of tunnel concrete lining construction ancillary equipment, including：Template (1) and stent (2), the stent (2) support the mould
Plate (1) makes it have pre-set space between tunnel surrounding, it is characterised in that
The template (1) includes the polylith subtemplate (11) being detachably connected；
The total length of the polylith subtemplate (11) is arranged to：When to the subtemplate (11) at the template (1) tail end
After pre-set space casting concrete between the tunnel surrounding, the subtemplate (11) at template (1) head end with
The concrete in pre-set space between the tunnel surrounding reaches default curdled appearance；
The stent (2) includes two sets of width and adjustable for height submounts (21), when the width of a set of submounts (21)
During with reduced height, its can depart from the support to the template (1) and along the stent (2) length direction move it is at least one
The distance of subtemplate (11) length.
2. ancillary equipment according to claim 1, it is characterised in that pass through connection group between multiple subtemplates (11)
Part (12) is connected.
3. ancillary equipment according to claim 1, it is characterised in that the submounts (21) include：
The joist (211) of the arch formed by two Curved beams (X)；
It is fixed on by height difference block on the joist (211) outer surface, the top beam (212) set along the length of tunnel direction；
The telescopic crossbeam (213) that both ends are connected with two Curved beams (X) inner sides respectively；And
It is arranged on the telescopic pillar (214) of the joist (211) lower end.
4. ancillary equipment according to claim 3, it is characterised in that the submounts (21) further include：One end connects institute
State crossbeam (213) lower surface, the other end connects the raker beam (215) of Curved beam (X) inner surface.
5. ancillary equipment according to claim 3, it is characterised in that the top beam of two sets of submounts (21)
(212) distribute alternately.
6. ancillary equipment according to claim 3, it is characterised in that the stent (2) further includes while connects two sets of institutes
State the propulsion assembly (22) of submounts (21).
7. ancillary equipment according to claim 6 a, it is characterised in that advance distance of the propulsion assembly (22) is
The length of at least one subtemplate (11).
8. a kind of tunnel concrete lining construction technique, utilizes the concrete- liner construction auxiliary equipment any one of claim 1~7
Implement, it is characterised in that the technique includes：
Stent (2), be placed in tunnel by step 1, template (1) is placed on the stent (2), the template (1) and institute
Stating between the country rock in tunnel has pre-set space；
Step 2, by the template (1) head end into the template (1) tail end corresponding pre-set space casting concrete；
Step 3, after the pre-set space casting concrete at the template (1) tail end, respectively move two cover branch
Frame (21), so that the head end of the stent (2) departs from the support to the template (1), the tail end of the stent (2) is beyond described
The length of at least one template (1) of template (1)；
The subtemplate (11) at step 4, dismounting template (1) head end, and the subtemplate (11) under being disassembled
Exceed the end of the template (1) installed in the stent (2)；
Step 5, the casting concrete into the pre-set space for the subtemplate (11) newly installed；
Repeating said steps 3~5 are to completing the concrete- liner.
9. technique according to claim 8, it is characterised in that described to move two sets of submounts (21) respectively and include：
Step 301, the width and height for reducing a set of submounts (21), to depart from the support to the template (1)；Afterwards
The distance of at least one subtemplate (11) length of the submounts (21) is moved along the length of tunnel direction；Described in recovery
Support of the submounts (21) to the template (1)；
Step 302, according to the step 301 move the another set of submounts (21).
10. technique according to claim 9, it is characterised in that the step 301 includes：
The crossbeam (213), pillar (214) and raker beam (215) of a set of submounts (21) are shunk, so that the submounts
(21) top beam (212) departs from the support to the template (1)；
The propulsion assembly (22) promotes, and the tail end of the submounts (21) is exceeded the tail end of the another set of submounts (21)
The distance of one subtemplate (11)；
The crossbeam (213), pillar (214) and raker beam (215) of the submounts (3121) are extended, to recover the top beam
(212) to the support of the template (1).
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