CN104790977A - Tunnel primary lining formwork trolley and construction method thereof - Google Patents
Tunnel primary lining formwork trolley and construction method thereof Download PDFInfo
- Publication number
- CN104790977A CN104790977A CN201510092535.0A CN201510092535A CN104790977A CN 104790977 A CN104790977 A CN 104790977A CN 201510092535 A CN201510092535 A CN 201510092535A CN 104790977 A CN104790977 A CN 104790977A
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- Prior art keywords
- door frame
- template
- bow member
- concrete
- tunnel
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- 238000009415 formwork Methods 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000009412 basement excavation Methods 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 12
- 238000001802 infusion Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009416 shuttering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21D11/105—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
Landscapes
- 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 tunnel primary lining formwork trolley and a construction method thereof. The tunnel primary lining formwork trolley comprises a formwork mechanism and a portal assembly. When concrete is pumped, a rigid arch frame is formed at the lining position through the formwork mechanism, and the rigid arch frame is supported on the portal assembly. When the pumped concrete is in the maintaining period, the pumped concrete is supported on the rigid arch frame, and the rigid arch frame is separated from the portal assembly. By means of the tunnel primary lining formwork trolley and the construction method thereof, the excavating operation can be carried out in the concrete maintaining period.
Description
Technical field
The present invention relates to a kind of working jumbo for tunnel lining, particularly relate to a kind of tunnel and just serve as a contrast formwork jumbo and construction method thereof, tunnel initial stage lining cutting on tunnel.
Background technology
Because country rock is poor from load in loess tunnel construction, can not excavate by progress chi, general each excavation is no more than 3 linear meter(lin.m.)s and just needs to carry out preliminary bracing to tunnel immediately.Preliminary bracing generally has two kinds, and a kind of is hang steel mesh reinforcement to carry out jet-anchor execution, another kind of for carrying out form concrete construction.
Carrying out in form concrete construction, need remaining core soil in advance, construction space is little.Current employing be manually set up steel arch-shelf, and carry out concreting after gang form.There is the large shortcoming of hand labor intensity in this kind of form of construction work.Simultaneously because steel arch-shelf needs artificial erection thus to adopt lighter section steel manufacture, mechanical strength is low, and can not adopt in crown part and build the large pumping of concrete mode concreting of pressure, thus crown concrete is owed to water, formation large area cavity, construction quality extreme difference.
In prior art, the formwork jumbo for tunnel lining is more, such as, the disclosed a kind of tunnel lining trolley of China Patent No. " 201410596838.1 ", publication date is 2015-02-18; For another example the disclosed a kind of portal frame tunnel lining form trolley of China Patent No. " 200520120695.3 ", publication date is 2007-02-14; And for example the disclosed one of China Patent No. " 201320088500.6 " is worked continuously and is turned over mould dock working jumbo for tunnel lining, and publication date is 2013-09-25.These formwork jumbos are all for the operation of Tunnel Second Lining concrete pouring construction, owing to can not affect excavation during concrete curing simultaneously, if adopt existing formwork jumbo to carry out tunnel just to serve as a contrast, then can not carry out excavation operation between solidifying soil curing time, thus existing formwork jumbo cannot be used for tunnel and just serves as a contrast.
Summary of the invention
The object of the invention is to the problems referred to above overcoming prior art existence, provide a kind of tunnel just to serve as a contrast formwork jumbo and construction method thereof.Adopt the present invention, achieve can carry out excavation operation simultaneously during concrete curing.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of tunnel just serves as a contrast formwork jumbo, it is characterized in that: comprise template mechanism and door frame assembly, and when pumping liquid concrete, template mechanism forms rigidity bow member in lining cutting position, and rigidity bow member is supported on door frame assembly; When the concrete of infusion was between curing time, the concrete support of infusion is on rigidity bow member, and rigidity bow member is separated with door frame assembly.
Described template mechanism comprises foundation forms and bow member template, and foundation forms is set in advance in treats lining cutting position, and bow member template is transported to coordinate with foundation forms by door frame assembly and forms rigidity bow member.
Described bow member template comprises crown template and limit arch template, and crown template both sides encircle template respectively with limit hinged, and limit arch template is connected with foundation forms bolt.
Described door frame assembly comprises door frame, walking mechanism, lifting body and translation mechanism, walking mechanism is arranged on door frame and drives door frame assembly to move, lifting body is arranged on door frame and drives door frame assembly to be elevated, and translation mechanism is arranged on door frame and drives door frame assembly to align tunnel center line.
Described door frame comprises door frame crossbeam, door frame column, door frame articulated beam and door frame longeron, and two door frame crossbeams are fixedly connected with by door frame articulated beam, and door frame column is fixedly connected with door frame crossbeam, and door frame longeron is fixedly connected with door frame column.
Described walking mechanism comprises road wheel and by the drive unit driving road wheel to move, road wheel and drive unit are all arranged on door frame longeron.
Described lifting body comprises jacking cylinder seat, longeron slide and jacking cylinder, and jacking cylinder seat is arranged in longeron slide, and jacking cylinder one end connects with jacking cylinder seat, and the other end connects with longeron slide, and longeron slide is fixedly installed on door frame longeron.
Described translation mechanism comprises chassis base and translation oil cylinder, translation oil cylinder one end and jacking cylinder seat hinged, the other end and chassis base hinged, jacking cylinder seat is slidably arranged on chassis base.
Described door frame column is also provided with stripper apparatus, and stripper apparatus one end is connected with door frame column, and the other end and limit are encircleed template and be connected.Described stripper apparatus is demoulding oil jar.
Described door frame column is also provided with bracing or strutting arrangement, and bracing or strutting arrangement one end is connected with door frame column, and the other end is connected with foundation forms.Described bracing or strutting arrangement is very heavy for supporting.
Tunnel just serves as a contrast a construction method for formwork jumbo, it is characterized in that, comprises the steps:
A, elder generation are treating that both sides, lining cutting position are by manually laying foundation forms;
B, by door frame assembly, bow member template is transported to lining cutting position;
C, lifting body move, and door frame is risen to correct position;
D, translation mechanism move, and make door frame assembly align tunnel center line;
E, stripper apparatus move, and strut bow member template alignment foundation forms;
F, installation form mechanism locking, and fittable slackening device;
G, pumping of concrete are complete to building, and after concrete is certainly steady, remove bracing or strutting arrangement and stripper apparatus, fall door frame, leave template mechanism and support the concrete of just having built, and carry out excavation operation after the door frame assembly that drives away, transport next group template mechanism after excavation operation completes again and repeat above-mentioned work.
Employing the invention has the advantages that:
One, the present invention includes template mechanism and door frame assembly, when pumping liquid concrete, template mechanism forms rigidity bow member in lining cutting position, and rigidity bow member is supported on door frame assembly; When the concrete of infusion was between curing time, the concrete support of infusion is on rigidity bow member, and rigidity bow member is separated with door frame assembly; Adopt this structure, compared with existing secondary lining chassis, template mechanism of the present invention and door frame assembly are split-type structural, achieve can carry out excavation operation simultaneously during concrete curing.
Two, in the present invention, described template mechanism comprises foundation forms and bow member template, and foundation forms is set in advance in treats lining cutting position, and bow member template is transported to coordinate with foundation forms by door frame assembly and forms rigidity bow member; Adopt this structure, adopt self-propelled door frame erection template, mechanization degree is high, and safety is high, labour intensity is low, construction speed also significantly improves.
Three, in the present invention, described bow member template comprises crown template and limit arch template, and crown template both sides encircle template respectively with limit hinged, and limit arch template is connected with foundation forms bolt; Adopt the combined type bow member template of this structure, be not only convenient to transport and install, and be easy to change.
Four, in the present invention, described door frame assembly comprises door frame, walking mechanism, lifting body and translation mechanism, walking mechanism is arranged on door frame and drives door frame assembly to move, lifting body is arranged on door frame and drives door frame assembly to be elevated, translation mechanism is arranged on door frame and drives door frame assembly to align tunnel center line, this structure, achieve chassis in tunnel front, back, left, right, up and under motion, can up and down and left and right adjustment chassis, also can correct chassis direction when chassis wanders off, improve efficiency of construction.
Five, in the present invention, described door frame comprises door frame crossbeam, door frame column, door frame articulated beam and door frame longeron, two door frame crossbeams are fixedly connected with by door frame articulated beam, door frame column is fixedly connected with door frame crossbeam, door frame longeron is fixedly connected with door frame column, adopt this structure, achieve combination type door shelf structure, be convenient to adjust door frame according to tunnel size.
Six, in the present invention, described walking mechanism comprises road wheel and by the drive unit driving road wheel to move, road wheel and drive unit are all arranged on door frame longeron, adopt this structure, and the mechanization achieving chassis is moved, and is convenient to transport template.
Seven, in the present invention, described lifting body comprises jacking cylinder seat, longeron slide and jacking cylinder, jacking cylinder seat is arranged in longeron slide, jacking cylinder one end connects with jacking cylinder seat, and the other end connects with longeron slide, and longeron slide is fixedly installed on door frame longeron, adopt this structure, drive door frame lifting by oil cylinder is flexible, be convenient to adjust mast height flexibly, thus improve the installation joint efficiency of template.
Eight, in the present invention, described translation mechanism comprises chassis base and translation oil cylinder, translation oil cylinder one end and jacking cylinder seat hinged, the other end and chassis base hinged, jacking cylinder seat is slidably arranged on chassis base, adopt this structure, drive door frame slip horizontal relative to chassis base by translation oil cylinder is flexible, be convenient to adjustment door frame and align tunnel center line.
Nine, in the present invention, described door frame column is also provided with stripper apparatus, and stripper apparatus one end is connected with door frame column, and the other end and limit are encircleed template and be connected, and adopt this structure, the demoulding achieves mechanized operation equally, does not need artificial, reduces working strength.
Ten, in the present invention, described door frame column is also provided with bracing or strutting arrangement, bracing or strutting arrangement one end is connected with door frame column, the other end is connected with foundation forms, adopt this structure, add the stability of rigidity bow member, concrete warehousing adopts pumping mode, because the fast concrete lateral pressure of speed of perfusion is huge, this structure can avoid template to run mould.
To sum up, after adopting the present invention, large rigidity, the greatly large form of intensity can be adopted to carry out lining construction, and adopt pumping of concrete concreting, make concrete more closely knit, quality is significantly leaped.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention
Fig. 2 is side-looking structural representation of the present invention
Fig. 3 is operating diagram of the present invention
Fig. 4 is door frame assembly of the present invention and template mechanism disengaged position schematic diagram
Fig. 5 is concrete curing view of the present invention
Be labeled as in figure: 1, crown template, 2, template pin, 3, template lock(ing) bolt, 4, limit arch template, 5, door frame longeron, 6, foundation forms, 7, door frame articulated beam, 8, door frame crossbeam, 9, door frame column, 10, demoulding oil jar, 11, support very heavy, 12, chassis base, 13, translation oil cylinder, 14, jacking cylinder seat, 15, jacking cylinder, 16, road wheel.
Detailed description of the invention
Embodiment 1
A kind of tunnel just serves as a contrast formwork jumbo, comprises template mechanism and door frame assembly, and when pumping liquid concrete, template mechanism forms rigidity bow member in lining cutting position, and rigidity bow member is supported on door frame assembly; When the concrete of infusion was between curing time, the concrete support of infusion is on rigidity bow member, and rigidity bow member is separated with door frame assembly.
Described template mechanism comprises foundation forms 6 and bow member template, and foundation forms 6 is set in advance in treats lining cutting position, and bow member template is transported to coordinate with foundation forms 6 by door frame assembly and forms rigidity bow member.
Described bow member template comprises crown template 1 and limit arch template 4, and crown template 1 both sides encircle template 4 respectively with limit hinged, and limit arch template 4 is connected with foundation forms 6 bolt.
Described door frame assembly comprises door frame, walking mechanism, lifting body and translation mechanism, walking mechanism is arranged on door frame and drives door frame assembly to move, lifting body is arranged on door frame and drives door frame assembly to be elevated, and translation mechanism is arranged on door frame and drives door frame assembly to align tunnel center line.
Described door frame is comprised door frame crossbeam 8, door frame column 9, door frame articulated beam 7 and door frame longeron 5, two door frame crossbeams 8 and is fixedly connected with by door frame articulated beam 7, and door frame column 9 is fixedly connected with door frame crossbeam 8, and door frame longeron 5 is fixedly connected with door frame column 9.
Described walking mechanism comprises road wheel 16 and by the drive unit driving road wheel 16 to move, road wheel 16 and drive unit are all arranged on door frame longeron 5.
Described lifting body comprises jacking cylinder seat 14, longeron slide and jacking cylinder 15, jacking cylinder seat 14 is arranged in longeron slide, jacking cylinder 15 one end connects with jacking cylinder seat 14, and the other end connects with longeron slide, and longeron slide is fixedly installed on door frame longeron 5.
Described translation mechanism comprises chassis base 12 and translation oil cylinder 13, translation oil cylinder 13 one end and jacking cylinder seat 14 hinged, the other end and chassis base 12 hinged, jacking cylinder seat 14 is slidably arranged on chassis base 12.
Described door frame column 9 is also provided with stripper apparatus, and stripper apparatus one end is connected with door frame column 9, and the other end and limit are encircleed template 4 and be connected.Preferably, described stripper apparatus is demoulding oil jar 10.
Described door frame column 9 is also provided with bracing or strutting arrangement, and bracing or strutting arrangement one end is connected with door frame column 9, and the other end is connected with foundation forms 6.Preferably, described bracing or strutting arrangement is for supporting very heavy 11.
Tunnel just serves as a contrast a construction method for formwork jumbo, comprises the steps:
A, elder generation are treating that both sides, lining cutting position are by manually laying foundation forms;
B, by door frame assembly, bow member template is transported to lining cutting position;
C, lifting body move, and door frame is risen to correct position;
D, translation mechanism move, and make door frame assembly align tunnel center line;
E, stripper apparatus move, and strut bow member template alignment foundation forms;
F, installation form mechanism locking, and fittable slackening device;
G, pumping of concrete are complete to building, and after concrete is certainly steady, remove bracing or strutting arrangement and stripper apparatus, fall door frame, leave template mechanism and support the concrete of just having built, and carry out excavation operation after the door frame assembly that drives away, transport next group template mechanism after excavation operation completes again and repeat above-mentioned work.
Embodiment 2
The present invention is designed for tunnel initial stage lining cutting on tunnel, can join many cover templates and use.As shown in Figure 1, the present invention is in pouring concrete state.Chassis list group template length 3 meters, can join and organize template construction more.Chassis door frame moves and in place, and template drives away after pouring concrete terminates 3 hours, and self-supported formwork bears alone concrete load.First lay foundation forms 6 when template is in place and fix, then laying limit arch template 4 and crown template 1, lock with template lock(ing) bolt 3 after adjusting to the right place.
The present invention is designed with lifting body and translation mechanism, can up and down and left and right adjustment chassis, also can correct chassis direction when chassis wanders off.
Concrete warehousing adopts pumping mode, and because the fast concrete lateral pressure of speed of perfusion is huge, for avoiding template to run mould, adopt low slump to add the concrete formulation of early strength admixture, poring rate is not more than as far as possible: 2 meters (highly)/hour.
Both sides of the present invention foundation forms 6 is manually installed, and manually flattens.Chassis adopts rubber-tyred automatic traveling mechanism.
Embodiment 3
Jacking cylinder seat 14 of the present invention is installed in longeron slide, and jacking cylinder 15 one end connects with jacking cylinder seat 14, and the other end connects with longeron slide, and oil cylinder is flexible drives door frame lifting.
Jacking cylinder seat 14 is slidably mounted on chassis base 12 simultaneously, translation oil cylinder 13 one end and jacking cylinder seat 14 hinged, the other end and chassis base 12 hinged.Translation oil cylinder 13 is flexible drives door frame slip horizontal relative to chassis base 12.Tire and driving mechanism are installed on door frame longeron 5.
Crown template 1 both sides encircle template 4 respectively with dual-side hinged, are also fixedly connected with by bolt simultaneously, or are connected by template pin 2.After crown template 1, limit arch template 4, foundation forms 6 connect, form a rigidity bow member.
Construction method of the present invention is as follows:
First pass through in both sides, lining cutting position manually to lay foundation forms;
Bear one group of 3 meters of long template by door frame assembly, start driving mechanism to lining cutting position;
Operation jacking cylinder rises door frame to correct position;
Operation translation oil cylinder is to median line;
Operation demoulding oil jar struts template alignment foundation forms;
Attachment bolt on installation form is also locked;
Support is installed very heavy;
Starting pumping of concrete complete to building, after waiting concrete certainly steady, removing and supporting very heavy, demoulding oil jar, fall door frame, leave the concrete that shuttering supporting has just been built, and carry out excavation operation after the chassis that drives away, bear next group template after excavation operation completes again and repeat above-mentioned work.
Claims (10)
1. tunnel just serves as a contrast a formwork jumbo, it is characterized in that: comprise template mechanism and door frame assembly, and when pumping liquid concrete, template mechanism forms rigidity bow member in lining cutting position, and rigidity bow member is supported on door frame assembly; When the concrete of infusion was between curing time, the concrete support of infusion is on rigidity bow member, and rigidity bow member is separated with door frame assembly.
2. tunnel according to claim 1 just serves as a contrast formwork jumbo, it is characterized in that: described template mechanism comprises foundation forms (6) and bow member template, foundation forms (6) is set in advance in treats lining cutting position, and bow member template is transported to coordinate with foundation forms (6) by door frame assembly and forms rigidity bow member.
3. tunnel according to claim 2 just serves as a contrast formwork jumbo, it is characterized in that: described bow member template comprises crown template (1) and limit arch template (4), crown template (1) both sides are encircleed template (4) respectively and are connected with limit, limit arch template (4) is connected with foundation forms (6).
4. tunnel according to claim 3 just serves as a contrast formwork jumbo, it is characterized in that: described door frame assembly comprises door frame, walking mechanism, lifting body and translation mechanism, walking mechanism is arranged on door frame and drives door frame assembly to move, lifting body is arranged on door frame and drives door frame assembly to be elevated, and translation mechanism is arranged on door frame and drives door frame assembly to align tunnel center line.
5. tunnel according to claim 4 just serves as a contrast formwork jumbo, it is characterized in that: described door frame comprises door frame crossbeam (8), door frame column (9), door frame articulated beam (7) and door frame longeron (5), two door frame crossbeams (8) are fixedly connected with by door frame articulated beam (7), door frame column (9) is fixedly connected with door frame crossbeam (8), and door frame longeron (5) is fixedly connected with door frame column (9).
6. tunnel according to claim 5 just serves as a contrast formwork jumbo, it is characterized in that: described walking mechanism comprises road wheel (16) and by the drive unit driving road wheel (16) to move, road wheel (16) and drive unit are all arranged on door frame longeron (5).
7. tunnel according to claim 6 just serves as a contrast formwork jumbo, it is characterized in that: described lifting body comprises jacking cylinder seat (14), longeron slide and jacking cylinder (15), jacking cylinder seat (14) is arranged in longeron slide, jacking cylinder (15) one end connects with jacking cylinder seat (14), the other end connects with longeron slide, and longeron slide is fixedly installed on door frame longeron 5.
8. tunnel according to claim 7 just serves as a contrast formwork jumbo, it is characterized in that: described translation mechanism comprises chassis base (12) and translation oil cylinder (13), translation oil cylinder (13) one end and jacking cylinder seat (14) hinged, the other end and chassis base (12) hinged, jacking cylinder seat (14) is slidably arranged on chassis base (12).
9. tunnel according to claim 8 just serves as a contrast formwork jumbo, it is characterized in that: described door frame column (9) is also provided with stripper apparatus, and stripper apparatus one end is connected with door frame column (9), and the other end and limit are encircleed template (4) and be connected.
10. a kind of tunnel just serves as a contrast the construction method of formwork jumbo according to claim 1, it is characterized in that, comprises the steps:
A, elder generation are treating that both sides, lining cutting position are by manually laying foundation forms;
B, by door frame assembly, bow member template is transported to lining cutting position;
C, lifting body move, and door frame is risen to correct position;
D, translation mechanism move, and make door frame assembly align tunnel center line;
E, stripper apparatus move, and strut bow member template alignment foundation forms;
F, installation form mechanism locking, and fittable slackening device;
G, pumping of concrete are complete to building, and after concrete is certainly steady, remove bracing or strutting arrangement and stripper apparatus, fall door frame, leave template mechanism and support the concrete of just having built, and carry out excavation operation after the door frame assembly that drives away, transport next group template mechanism after excavation operation completes again and repeat above-mentioned work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092535.0A CN104790977B (en) | 2015-03-02 | 2015-03-02 | Tunnel just serves as a contrast formwork jumbo and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510092535.0A CN104790977B (en) | 2015-03-02 | 2015-03-02 | Tunnel just serves as a contrast formwork jumbo and its construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN104790977A true CN104790977A (en) | 2015-07-22 |
| CN104790977B CN104790977B (en) | 2018-04-10 |
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| CN201510092535.0A Expired - Fee Related CN104790977B (en) | 2015-03-02 | 2015-03-02 | Tunnel just serves as a contrast formwork jumbo and its construction method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106050270A (en) * | 2016-08-16 | 2016-10-26 | 北京康港工程技术有限公司 | Open cut tunnel forming construction device |
| CN107355237A (en) * | 2017-08-15 | 2017-11-17 | 中国路桥工程有限责任公司 | Sliding formwork of going through the motions sprays concrete excavation multifunctional tunnel chassis |
| CN107956490A (en) * | 2017-12-29 | 2018-04-24 | 中国铁道科学研究院铁道建筑研究所 | A kind of intelligent tunnel lining trolley |
| CN108240228A (en) * | 2016-12-26 | 2018-07-03 | 济南大学 | A kind of assembly equipment and construction technology of confined concrete arch |
| CN109372547A (en) * | 2018-11-02 | 2019-02-22 | 中铁工程装备集团有限公司 | Narrow-bore tunnel rail-mounted lining trolley and lining methods |
| CN109519197A (en) * | 2018-12-25 | 2019-03-26 | 中铁四局集团有限公司 | Dual-purpose trolley for slip form primary lining excavation supporting and application thereof |
| CN109538250A (en) * | 2019-01-28 | 2019-03-29 | 中南大学 | Device and method for branch at the beginning of tunnel with mould gunite concrete rapid construction |
| CN110486052A (en) * | 2019-09-04 | 2019-11-22 | 中交天和机械设备制造有限公司 | A kind of press injecting type concrete support method and the supporting mechanism for implementing it |
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| CN112726442A (en) * | 2020-12-30 | 2021-04-30 | 中铁六局集团北京铁路建设有限公司 | Construction method of large-span thin-wall concrete sound barrier pouring trolley |
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