CN104790977B - Tunnel just serves as a contrast formwork jumbo and its construction method - Google Patents

Tunnel just serves as a contrast formwork jumbo and its construction method Download PDF

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Publication number
CN104790977B
CN104790977B CN201510092535.0A CN201510092535A CN104790977B CN 104790977 B CN104790977 B CN 104790977B CN 201510092535 A CN201510092535 A CN 201510092535A CN 104790977 B CN104790977 B CN 104790977B
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China
Prior art keywords
door frame
template
bow
concrete
tunnel
Prior art date
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CN201510092535.0A
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CN104790977A (en
Inventor
陈建民
岳永和
唐桂芳
崔建文
张訸
崔鹏
宋卫忠
金明亮
晏社刚
罗宏涛
田过勤
刘斌
郝东
张海强
李永忠
张常安
于澍江
余波
谢永明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gansu Road And Bridge 4th Highway Engineering Co Ltd
GANSU ROAD AND BRIDGE CONSTRUCTION GROUP CO Ltd
Original Assignee
Gansu Road And Bridge 4th Highway Engineering Co Ltd
GANSU ROAD AND BRIDGE CONSTRUCTION GROUP CO Ltd
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Application filed by Gansu Road And Bridge 4th Highway Engineering Co Ltd, GANSU ROAD AND BRIDGE CONSTRUCTION GROUP CO Ltd filed Critical Gansu Road And Bridge 4th Highway Engineering Co Ltd
Priority to CN201510092535.0A priority Critical patent/CN104790977B/en
Publication of CN104790977A publication Critical patent/CN104790977A/en
Application granted granted Critical
Publication of CN104790977B publication Critical patent/CN104790977B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D11/00Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
    • E21D11/04Lining with building materials
    • E21D11/10Lining 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
    • E21D11/105Transport 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

Abstract

The invention discloses a kind of tunnel just to serve as a contrast formwork jumbo and its construction method, and tunnel, which just serves as a contrast formwork jumbo, includes 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 during the concrete of infusion being in maintenance, the concrete support of infusion is on rigidity bow member, and rigidity bow member separates with door frame assembly.Using the present invention, realize during concrete curing while excavation operation can be carried out.

Description

Tunnel just serves as a contrast formwork jumbo and its construction method
Technical field
The present invention relates to a kind of working jumbo for tunnel lining, more particularly to a kind of tunnel just to serve as a contrast formwork jumbo and its construction party Method, the tunnel lining cutting at initial stage on tunnel.
Background technology
Because country rock is poor from load in loess tunnel construction, it is impossible to which long drilling depth excavates, and general excavate every time is no more than 3 linear meter(lin.m.)s just Preliminary bracing need to be carried out to tunnel immediately.Preliminary bracing typically has two kinds, and one kind carries out jet-anchor execution to hang bar-mat reinforcement, another To carry out form concrete construction.
In form concrete construction is carried out, remaining core soil in advance is needed, construction space is small.At present steel is set up using artificial Concreting is carried out after bow member, and gang form.The shortcomings that hand labor intensity is big be present in such a form of construction work.Simultaneously because Steel arch-shelf need to manually set up thus use lighter section steel manufacture, and mechanical strength is low, can not be used in crown part and pour pressure Big pump concrete mode casting concrete, thus crown concrete is owed to pour, and forms large area cavity, construction quality extreme difference.
In the prior art, the formwork jumbo for tunnel-liner is more, for example, China Patent No. " 201410596838.1 " A kind of disclosed tunnel lining trolley, publication date 2015-02-18;For another example China Patent No. " 200520120695.3 " is open A kind of portal frame tunnel lining form trolley, publication date 2007-02-14;And for example China Patent No. One kind disclosed in " 201320088500.6 " is worked continuously overmolded dock working jumbo for tunnel lining, publication date 2013-09- 25.These formwork jumbos are to be used for Tunnel Second Lining concrete pouring construction operation, due to same during concrete curing Shi Buneng influences to excavate, and is just served as a contrast if carrying out tunnel using existing formwork jumbo, can not be excavated during solidifying soil maintenance Operation, thus existing formwork jumbo is not used to tunnel and just served as a contrast.
The content of the invention
It is an object of the invention to overcome above mentioned problem existing for prior art, there is provided a kind of tunnel just serve as a contrast formwork jumbo and Its construction method.Using the present invention, realize during concrete curing while excavation operation can be carried out.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of tunnel just serves as a contrast formwork jumbo, it is characterised in that:Including template mechanism and door frame assembly, work as pumping liquid concrete When, template mechanism forms rigidity bow member in lining cutting position, and rigidity bow member is supported on door frame assembly;At the concrete of infusion When during maintenance, the concrete support of infusion is on rigidity bow member, and rigidity bow member separates with door frame assembly.
The template mechanism includes foundation forms and bow member template, and foundation forms, which is set in advance in, treats lining cutting position, bow member Template is transported to foundation forms by door frame assembly and cooperatively forms rigidity bow member.
The bow member template includes crown template and side arch template, and crown template both sides are hinged with side arch template respectively, side Encircle template and foundation forms bolt connection.
The door frame assembly includes door frame, walking mechanism, lifting body and translation mechanism, and walking mechanism is arranged on door frame The motion of door frame assembly is driven, lifting body, which is arranged on door frame, drives the lifting of door frame assembly, and translation mechanism is arranged on band on door frame Dynamic door frame assembly aligns tunnel center line.
The door frame includes door frame crossbeam, door frame column, door frame articulated beam and door frame longeron, and two door frame crossbeams pass through door Frame articulated beam is fixedly connected, and door frame column is fixedly connected with door frame crossbeam, and door frame longeron is fixedly connected with door frame column.
The walking mechanism includes road wheel and the drive device moved by drive road wheel, and road wheel and drive device are equal It is arranged on door frame longeron.
The lifting body includes jacking cylinder seat, longeron slide and jacking cylinder, and jacking cylinder seat is arranged on longeron cunning In seat, jacking cylinder one end couples with jacking cylinder seat, and the other end couples with longeron slide, and longeron slide is fixedly installed on door frame On longeron.
The translation mechanism includes chassis base and translation oil cylinder, and translation oil cylinder one end is hinged with jacking cylinder seat, another End is hinged with chassis base, and jacking cylinder seat is slidably arranged on chassis base.
Stripper apparatus is additionally provided with the door frame column, stripper apparatus one end is connected with door frame column, the other end and side Encircle template connection.The stripper apparatus is demoulding oil jar.
Support meanss are additionally provided with the door frame column, support meanss one end is connected with door frame column, the other end and base Plinth template connects.The support meanss are very heavy to support.
A kind of tunnel just serves as a contrast the construction method of formwork jumbo, it is characterised in that comprises the following steps:
A, first treating lining cutting position both sides by manually laying foundation forms;
B, bow member template is transported to by lining cutting position by door frame assembly;
C, lifting body is moved, and door frame is risen into correct position;
D, translation mechanism moves, and door frame assembly is aligned tunnel center line;
E, stripper apparatus moves, and struts bow member template alignment foundation forms;
F, installation form mechanism and lock, and fittable slackening device;
G, pump concrete is finished to pouring, and concrete removes support meanss and stripper apparatus, falls door frame after steady, The concrete that template mechanism support has just poured is left, and excavation operation is carried out after the door frame assembly that drives away, after the completion of excavation operation Next group of template mechanism is transported again repeats above-mentioned work.
Using the advantage of the invention is that:
First, the present invention includes template mechanism and door frame assembly, and when pumping liquid concrete, template mechanism is formed in lining cutting position Rigidity bow member, and rigidity bow member is supported on door frame assembly;When during the concrete of infusion being in maintenance, the concrete of infusion It is supported on rigidity bow member, and rigidity bow member separates with door frame assembly;Using this structure, compared with existing secondary lining chassis, Template mechanism and door frame assembly of the present invention is split-type structural, realizes during concrete curing while can carry out excavation work Industry.
2nd, in the present invention, the template mechanism includes foundation forms and bow member template, and foundation forms, which is set in advance in, to be waited to serve as a contrast Position is built, bow member template is transported to foundation forms by door frame assembly and cooperatively forms rigidity bow member;Using this structure, using voluntarily Formula door frame sets up template, and mechanization degree is high, safe, labor intensity is low, construction speed also significantly improves.
3rd, in the present invention, the bow member template includes crown template and side arch template, and crown template both sides are encircleed with side respectively Template is hinged, side arch template and foundation forms bolt connection;Using the combined type bow member template of this structure, be not only convenient for transport and Installation, and be also easy to change.
4th, in the present invention, the door frame assembly includes door frame, walking mechanism, lifting body and translation mechanism, walking mechanism It is arranged on door frame and drives the motion of door frame assembly, lifting body, which is arranged on door frame, drives the lifting of door frame assembly, and translation mechanism is set Put on door frame drive door frame assembly align tunnel center line, this structure, realize chassis in tunnel front, back, left, right, up and Under motion, can up and down and left and right adjustment chassis, chassis direction can be also corrected when chassis wanders off, improves efficiency of construction.
5th, in the present invention, the door frame includes door frame crossbeam, door frame column, door frame articulated beam and door frame longeron, two doors Frame crossbeam is fixedly connected by door frame articulated beam, and door frame column is fixedly connected with door frame crossbeam, and door frame longeron is consolidated with door frame column Fixed connection, using this structure, realizes combined type portal-framed structure, is easy to be adjusted door frame according to tunnel size.
6th, in the present invention, the walking mechanism includes road wheel and the drive device moved by drive road wheel, road wheel It is arranged at drive device on door frame longeron, using this structure, realizes the mechanization movement of chassis, be easy to transport template.
7th, in the present invention, the lifting body includes jacking cylinder seat, longeron slide and jacking cylinder, jacking cylinder seat It is arranged in longeron slide, jacking cylinder one end couples with jacking cylinder seat, and the other end couples with longeron slide, and longeron slide is consolidated Surely it is arranged on door frame longeron, using this structure, drives door frame to lift by the way that oil cylinder is flexible, be easy to that mast height is adjusted flexibly, So as to improve the installation joint efficiency of template.
8th, in the present invention, the translation mechanism includes chassis base and translation oil cylinder, translation oil cylinder one end and jacking cylinder Seat is be hinged, and the other end is hinged with chassis base, and jacking cylinder seat is slidably arranged on chassis base, using this structure, by flat Move the flexible drive door frame of oil cylinder to slide laterally relative to chassis base, be conveniently adjusted door frame and align tunnel center line.
9th, in the present invention, stripper apparatus is additionally provided with the door frame column, stripper apparatus one end connects with door frame column Connect, the other end is connected with side arch template, and using this structure, the demoulding equally realizes mechanized operation, it is not necessary to it is artificial, reduce Working strength.
Tenth, in the present invention, support meanss are additionally provided with the door frame column, support meanss one end connects with door frame column Connect, the other end is connected with foundation forms, using this structure, adds the stability of rigidity bow member, concrete warehousing is using pumping Mode, because the fast concrete lateral pressure of speed of perfusion is huge, this structure can avoid template from running mould.
To sum up, after using the present invention, the large form of big rigidity, big intensity can be used to carry out lining construction, using pumping Concreting concrete, make concrete more closely knit, quality is significantly leaped.
Brief description of the drawings
Fig. 1 is main structure diagram of the present invention
Fig. 2 is side structure schematic view 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
In figure mark for:1st, crown template, 2, template pin, 3, template locking bolt, 4, side arch template, 5, door frame longeron, 6th, foundation forms, 7, door frame articulated beam, 8, door frame crossbeam, 9, door frame column, 10, demoulding oil jar, 11, support it is very heavy, 12, chassis Base, 13, translation oil cylinder, 14, jacking cylinder seat, 15, jacking cylinder, 16, road wheel.
Embodiment
Embodiment 1
A kind of tunnel just serves as a contrast formwork jumbo, including template mechanism and door frame assembly, and when pumping liquid concrete, template mechanism exists Lining cutting position forms rigidity bow member, and rigidity bow member is supported on door frame assembly;When during the concrete of infusion being in maintenance, The concrete support of infusion is on rigidity bow member, and rigidity bow member separates with door frame assembly.
The template mechanism includes foundation forms 6 and bow member template, and foundation forms 6, which is set in advance in, treats lining cutting position, arch Frame template is transported to foundation forms 6 by door frame assembly and cooperatively forms rigidity bow member.
The bow member template includes crown template 1 and side arch template 4, and the both sides of crown template 1 are cut with scissors with side arch template 4 respectively Connect, side arch template 4 and the bolt connection of foundation forms 6.
The door frame assembly includes door frame, walking mechanism, lifting body and translation mechanism, and walking mechanism is arranged on door frame The motion of door frame assembly is driven, lifting body, which is arranged on door frame, drives the lifting of door frame assembly, and translation mechanism is arranged on band on door frame Dynamic door frame assembly aligns tunnel center line.
The door frame includes door frame crossbeam 8, door frame column 9, door frame articulated beam 7 and door frame longeron 5, two door frame crossbeams 8 It is fixedly connected by door frame articulated beam 7, door frame column 9 is fixedly connected with door frame crossbeam 8, and door frame longeron 5 is fixed with door frame column 9 Connection.
The walking mechanism includes road wheel 16 and the drive device moved by drive road wheel 16, road wheel 16 and driving Device is arranged on door frame longeron 5.
The lifting body includes jacking cylinder seat 14, longeron slide and jacking cylinder 15, and jacking cylinder seat 14 is arranged on In longeron slide, the one end of jacking cylinder 15 couples with jacking cylinder seat 14, and the other end couples with longeron slide, and longeron slide is fixed It is arranged on door frame longeron 5.
The translation mechanism includes chassis base 12 and translation oil cylinder 13, and the one end of translation oil cylinder 13 is cut with scissors with jacking cylinder seat 14 Connect, the other end is be hinged with chassis base 12, and jacking cylinder seat 14 is slidably arranged on chassis base 12.
Stripper apparatus is additionally provided with the door frame column 9, stripper apparatus one end is connected with door frame column 9, the other end with Side arch template 4 connects.Preferably, the stripper apparatus is demoulding oil jar 10.
Support meanss are additionally provided with the door frame column 9, support meanss one end is connected with door frame column 9, the other end with Foundation forms 6 connects.Preferably, the support meanss are support very heavy 11.
A kind of tunnel just serves as a contrast the construction method of formwork jumbo, comprises the following steps:
A, first treating lining cutting position both sides by manually laying foundation forms;
B, bow member template is transported to by lining cutting position by door frame assembly;
C, lifting body is moved, and door frame is risen into correct position;
D, translation mechanism moves, and door frame assembly is aligned tunnel center line;
E, stripper apparatus moves, and struts bow member template alignment foundation forms;
F, installation form mechanism and lock, and fittable slackening device;
G, pump concrete is finished to pouring, and concrete removes support meanss and stripper apparatus, falls door frame after steady, The concrete that template mechanism support has just poured is left, and excavation operation is carried out after the door frame assembly that drives away, after the completion of excavation operation Next group of template mechanism is transported again repeats above-mentioned work.
Embodiment 2
The present invention can match somebody with somebody more set templates and use designed for tunnel lining cutting at initial stage on tunnel.As shown in figure 1, at the present invention In concrete casting condition.3 meters of chassis single group template length, multigroup template construction can be matched somebody with somebody.Chassis door frame is mobile and in place, template Drive away after concrete cast terminates 3 hours, self-supported formwork bears alone concrete load.Basis is first laid when template is in place Template 6 is simultaneously fixed, then lays side arch template 4 and crown template 1, is locked after being adjusted in place with template locking bolt 3.
The present invention is designed with lifting body and translation mechanism, can up and down and left and right adjustment chassis, may be used also when chassis wanders off Correct chassis direction.
Concrete warehousing uses pumping mode, because the fast concrete lateral pressure of speed of perfusion is huge, to avoid template from running mould, to the greatest extent Amount adds the concrete formulation of early strength agent using low slump, and poring rate is not more than:2 meters(Highly)/ hour.
Both sides foundation forms 6 of the present invention is manually installed, artificial leveling.Chassis uses rubber-tyred automatic traveling mechanism.
Embodiment 3
Jacking cylinder seat 14 of the present invention is installed in longeron slide, and the one end of jacking cylinder 15 couples with jacking cylinder seat 14, The other end couples with longeron slide, and oil cylinder is flexible to drive door frame lifting.
Jacking cylinder seat 14 is slidably mounted on chassis base 12 simultaneously, and the one end of translation oil cylinder 13 is cut with scissors with jacking cylinder seat 14 Connect, the other end is be hinged with chassis base 12.Translation oil cylinder 13 is flexible to drive door frame to be slid laterally relative to chassis base 12.Tire And drive mechanism is installed on door frame longeron 5.
The both sides of crown template 1 are be hinged with two sides arch template 4 respectively, while can also be bolted to connection, Huo Zhetong Template pin 2 is crossed to connect.After crown template 1, side arch template 4, foundation forms 6 couple, a rigidity bow member is formed.
Construction method of the present invention is as follows:
First in lining cutting position both sides by manually laying foundation forms;
One group of 3 meters of long template is born by door frame assembly, starts drive mechanism to lining cutting position;
Operate jacking cylinder and rise door frame to correct position;
Translation oil cylinder is operated to median line;
Operation demoulding oil jar struts template alignment foundation forms;
Attachment bolt and locked on installation form;
Installation support is very heavy;
Begin pumping concrete and finish to pouring, wait concrete to remove and support very heavy, demoulding oil jar, fall door after steady Frame, the concrete that shuttering supporting has just poured is left, and excavation operation is carried out after the chassis that drives away, born again after the completion of excavation operation Next group of template repeats above-mentioned work.

Claims (4)

1. a kind of tunnel just serves as a contrast formwork jumbo, it is characterised in that:Including 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 is in When during maintenance, the concrete support of infusion is on rigidity bow member, and rigidity bow member separates with door frame assembly;
The door frame assembly includes door frame, walking mechanism, lifting body and translation mechanism, and walking mechanism is arranged on door frame and driven Door frame assembly moves, and lifting body, which is arranged on door frame, drives the lifting of door frame assembly, and translation mechanism, which is arranged on door frame, drives door Frame assembly aligns tunnel center line;
The lifting body includes jacking cylinder seat(14), longeron slide and jacking cylinder(15), jacking cylinder seat(14)Set In longeron slide, jacking cylinder(15)One end and jacking cylinder seat(14)Connection, the other end couple with longeron slide, and longeron is slided Seat is fixedly installed on door frame longeron(5)On;
The template mechanism includes foundation forms(6)With bow member template, foundation forms(6)It is set in advance in and treats lining cutting position, encircles Frame template by door frame assembly transport to foundation forms(6)Cooperatively form rigidity bow member;
The bow member template includes crown template(1)Encircle template with side(4), crown template(1)Encircle template with side respectively in both sides(4) Connection, side arch template(4)With foundation forms(6)Connection;
The door frame includes door frame crossbeam(8), door frame column(9), door frame articulated beam(7)With door frame longeron(5), two door frame horizontal strokes Beam(8)Pass through door frame articulated beam(7)It is fixedly connected, door frame column(9)With door frame crossbeam(8)It is fixedly connected, door frame longeron(5)With Door frame column(9)It is fixedly connected;
The translation mechanism includes chassis base(12)And translation oil cylinder(13), translation oil cylinder(13)One end and jacking cylinder seat (14)It is be hinged, the other end and chassis base(12)Be hinged, jacking cylinder seat (14) is slidably arranged in chassis base(12)On.
2. tunnel according to claim 1 just serves as a contrast formwork jumbo, it is characterised in that:The walking mechanism includes road wheel (16)With by drive road wheel(16)The drive device of motion, road wheel(16)Door frame longeron is arranged at drive device(5) On.
3. tunnel according to claim 2 just serves as a contrast formwork jumbo, it is characterised in that:The door frame column(9)On also set up There are stripper apparatus, stripper apparatus one end and door frame column(9)Connection, the other end and side arch template(4)Connection.
4. a kind of tunnel just serves as a contrast the construction method of formwork jumbo according to claim 1, it is characterised in that including following step Suddenly:
A, first treating lining cutting position both sides by manually laying foundation forms;
B, bow member template is transported to by lining cutting position by door frame assembly;
C, lifting body is moved, and door frame is risen into correct position;
D, translation mechanism moves, and door frame assembly is aligned tunnel center line;
E, stripper apparatus moves, and struts bow member template alignment foundation forms;
F, installation form mechanism and lock, and fittable slackening device;
G, pump concrete is finished to pouring, and concrete removes support meanss and stripper apparatus, falls door frame, leave after steady The concrete that template mechanism support has just poured, and excavation operation is carried out after the door frame assembly that drives away, transported again after the completion of excavation operation Next group of template mechanism is sent to repeat above-mentioned work.
CN201510092535.0A 2015-03-02 2015-03-02 Tunnel just serves as a contrast formwork jumbo and its construction method Active CN104790977B (en)

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Publication number Priority date Publication date Assignee Title
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
US10584502B2 (en) 2016-09-09 2020-03-10 Excel Project Management Ltd. Arch-support system
CN108240228B (en) * 2016-12-26 2019-09-20 济南大学 A kind of assembly equipment and construction technology of confined concrete arch
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
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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CN201258747Y (en) * 2008-08-26 2009-06-17 丁伟红 Bottom placed continuous conveyor construction tunnel synchronization lining trolley
CN201258746Y (en) * 2008-08-26 2009-06-17 张新泉 Overlapping type continuous conveyor construction tunnel synchronization lining trolley
CN201627587U (en) * 2010-03-25 2010-11-10 中国建筑第八工程局有限公司 Overhang operating platform fixedly connected onto complete sectional hydraulic trolley
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