CN105840212A - Tunnel construction arch center formwork correcting method - Google Patents

Tunnel construction arch center formwork correcting method Download PDF

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Publication number
CN105840212A
CN105840212A CN201610274940.9A CN201610274940A CN105840212A CN 105840212 A CN105840212 A CN 105840212A CN 201610274940 A CN201610274940 A CN 201610274940A CN 105840212 A CN105840212 A CN 105840212A
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CN
China
Prior art keywords
bow
template
oil cylinder
hydraulic lifting
constructing tunnel
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CN201610274940.9A
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Chinese (zh)
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CN105840212B (en
Inventor
陈国民
伍永泽
唐和容
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中冶建工集团有限公司
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Priority to CN201610274940.9A priority Critical patent/CN105840212B/en
Publication of CN105840212A publication Critical patent/CN105840212A/en
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Publication of CN105840212B publication Critical patent/CN105840212B/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
    • E21D11/102Removable shuttering; Bearing or supporting devices therefor

Abstract

The invention discloses a tunnel construction arch center formwork correcting method. The method comprises the steps that an arch center is moved and positioned in a tunnel; hydraulic electromagnetic combination distribution valves of a pump station provided with an intelligent numerical control computer platform on an arch center bogie are connected with hydraulic jacking oil cylinders respectively; a sensor on each hydraulic jacking oil cylinder is connected with the intelligent numerical control computer platform; a preset extending value and thrust data of each hydraulic jacking oil cylinder are determined and input, the hydraulic pump station is started, and a formwork on the tunnel construction arch center is corrected; after the arch center bogie moves forwards to a next station, the formwork on the tunnel construction arch center is corrected this time according to the data, memorized and stored in a computer, of the previous station. During arch center formwork correction and fixing, process control and master can be achieved for error gaps produced during arch center formwork installation, gap errors of a concrete arch wall which is cast again and comprehensive errors produced during arch center formwork installation, and the accurate control and correction effect on the arch center formwork on the bogie is achieved.

Description

A kind of constructing tunnel bow member template bearing calibration

Technical field

The present invention relates to a kind of constructing tunnel bow member template bearing calibration, particularly relate to a kind of constructing tunnel bow member template school Correction method.

Background technology

The correction of traditional constructing tunnel bow member template and fixing time displacement control, it is common that single to bow member template Jacking cylinder calibration one by one, is the technological difficulties of constructing tunnel, for the error gap produced during bow member model sheetinstallat, with bow member Jacking force during model sheetinstallat is correlated with;And the stitching error of the concrete arch ancient piece of jade, round, flat and with a hole in its centre again poured, encircle an ancient piece of jade, round, flat and with a hole in its centre with the concrete pouring molding Last time, template correction data was correlated with;The comprehensive error produced during bow member model sheetinstallat, in the correction of bow member template and fixing Time, it is difficult to realize process control and control.And, its single jacking cylinder is calibrated one by one and is wasted time and energy, and work efficiency is low, and Cause arch ancient piece of jade, round, flat and with a hole in its centre molding construction difficult quality guarantee eventually.

Summary of the invention

For above-mentioned deficiency present in prior art, the invention provides a kind of measure low cost, beneficially constructing tunnel The correction of bow member template and fixing time, constructing tunnel combination bow member template is carried out bearing calibration quick, reliable.

In order to solve above-mentioned technical problem, present invention employs following technical scheme: a kind of constructing tunnel bow member template school Correction method, it is characterised in that comprise the steps:

1) tunnel according to constructing tunnel technique, and prepare qualified constructing tunnel bow member template, bow member chassis, and group Install whole;

2) according to constructing tunnel technological requirement, bow member chassis is moved and positions by tunnel direction of advance;Then will arch The pumping plant with intelligent numerical control computer platform on rack trolley hydraulic electromagnetic combination distributing valve, by high-pressure oil pipe respectively with arch The each hydraulic lifting oil cylinder being fixedly installed on rack trolley is attached respectively, and pumping plant passes through high-pressure oil pipe to each hydraulic lifting Oil cylinder provides hydraulic power;By data sensor line by the sensor on each hydraulic lifting oil cylinder respectively with intelligent numerical control computer Platform is attached, and carries out signal transmission;Predetermined extension value and the thrust of each hydraulic lifting oil cylinder is determined according to technological requirement Data, on intelligent numerical control computer platform, input predetermined extension value and the thrust data of each hydraulic lifting oil cylinder, and a key is at electricity Start hydraulic power unit on brain, the template correction on constructing tunnel bow member can be realized;

3) after the construction this time of constructing tunnel template bow member chassis completes, whole hydraulic lifting cylinder piston rods are return, tunnel Road construction formwork bow member chassis proceeds to next station and positions, and remembers on the intelligent numerical control computer of intelligent numerical control computer platform Storage has predetermined extension value and the thrust data of upper each hydraulic lifting oil cylinder of a station, be not required to from new measuring and calculating then can directly according to The predetermined extension value of upper each hydraulic lifting oil cylinder of a station and thrust data, carry out the template school on this constructing tunnel bow member Just;Cycle operation is then formed by constructing tunnel bow member chassis walking operation with this.

Compared with prior art, present invention have the advantage that

1, compared with traditional constructing tunnel bow member template single jacking cylinder calibration one by one control method, bow member template is pacified The error gap produced during dress, and the stitching error of the concrete arch ancient piece of jade, round, flat and with a hole in its centre again poured, produce during bow member model sheetinstallat is comprehensive Error, bow member template correction and fixing time, process control and control can be realized, reach chassis bow member cope match-plate pattern is accurate Control and corrective action.

2, this invention one constructing tunnel bow member template bearing calibration, its technique implemented and frock are simple and direct, operable Property strong and safety height.For bow member chassis walk location fixing time template correction, it is easy to control, work efficiency can be improved;Arrange Execute low cost;The method implementing overall process is reliable.

3, constructing tunnel bow member template bearing calibration of the present invention, has great versatility in highway tunnel construction, is handing over Current industrial engineering (IE) all can be widely used;The present invention can improve tunnel construction quality, can improve work efficiency;Measure low cost;Real The method executing overall process is reliable.Industry has obvious technical advantage.

Accompanying drawing explanation

Fig. 1, correction position schematic diagram for present invention bow member template in highway tunnel construction;

Fig. 2, for present invention bow member template hydraulic top push rod distribution schematic diagram in highway tunnel construction;

Fig. 3, correction control apparatus schematic diagram for present invention bow member template in highway tunnel construction;

In accompanying drawing: 1 angle steel guiding ruler;2 fix piling bar;3 calibration contact points, 4 bow member templates;

5 end head formworks;6 first template jacking cylinders, 8 second template jacking cylinders, 9 the 3rd template jacking cylinders, 10 the 4th template jacking cylinders, 11 the 5th template jacking cylinders;7 buttress top template jacking cylinders;12 pumping plants.

Detailed description of the invention

With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.

One constructing tunnel bow member template bearing calibration of the present invention, comprises the steps:

1) tunnel according to constructing tunnel technique, and prepare qualified constructing tunnel bow member template, bow member chassis, and group Install whole;

2) according to constructing tunnel technological requirement, the complete bow member chassis of assembling is moved and positions by tunnel direction of advance Fixing;Then the hydraulic electromagnetic of the pumping plant with intelligent numerical control computer platform on bow member chassis is combined distributing valve, by height Pressuring oil pipe is attached respectively with each hydraulic lifting oil cylinder of being fixedly installed on bow member chassis respectively, and pumping plant passes through high-pressure oil pipe Hydraulic power is provided to each hydraulic lifting oil cylinder;By data sensor line by the sensor on each hydraulic lifting oil cylinder respectively It is attached with intelligent numerical control computer platform, carries out signal transmission, such as the displacement signal etc. when piston rod works;According to technique Requirement, on intelligent numerical control computer platform, inputs predetermined extension value and the thrust data of each hydraulic lifting oil cylinder, and a key is at electricity Start hydraulic power unit on brain, the template correction on constructing tunnel bow member can be realized;

3) after the construction this time of constructing tunnel template bow member chassis completes, whole hydraulic lifting cylinder piston rods are return, tunnel It is fixing that road construction formwork bow member chassis proceeds to next station location, remembers on the intelligent numerical control computer of intelligent numerical control computer platform Recall storage and have predetermined extension value and the thrust data of upper each hydraulic lifting oil cylinder of a station (last time), be not required to then may be used from new measuring and calculating Directly according to predetermined extension value and the thrust data of each hydraulic lifting oil cylinder last time, carry out the mould on this constructing tunnel bow member Plate corrects;Cycle operation is then formed by constructing tunnel bow member chassis walking operation with this.Either bow member chassis is in advance process In any position running fix when fixing, all can realize accurately controlling and correction chassis bow member cope match-plate pattern.

Implementation process: after constructing tunnel template bow member chassis is completed, bow member model sheetinstallat on bow member chassis, with The extension of bow member chassis walking track, when the most mobile stationary positioned of tunnel direction of advance, by band intelligent numerical control computer Pumping plant on hydraulic electromagnetic combination distributing valve 12, use each hydraulic lifting oil cylinder fixing on high-pressure oil pipe and chassis, in figure Shown hydraulic lifting oil cylinder is 12, and one side is respectively six, respectively the first, second, third of buttress flank, Four, the 5th template jacking cylinder 6,8,9,10,11 and buttress top template jacking cylinder 7, be attached respectively, and pumping plant is by height Pressuring oil pipe provides hydraulic power to each hydraulic lifting oil cylinder;The jacking cylinder of opposite side is respectively 6 ', 7 ', 8 ', 9 ', 10 ', 11′;Simultaneously by data sensor line by the sensor on each hydraulic lifting oil cylinder, the sensor in figure is 12, respectively From with hydraulic lifting oil cylinder one_to_one corresponding, be connected with intelligent numerical control computer platform respectively, with the input of intelligent numerical control computer platform The signals such as end connects, displacement signal when being worked by piston rod transmit;According to technological requirement (integrating tunnel scene feelings Condition), determine and input predetermined extension value and the thrust data of each hydraulic lifting oil cylinder, started hydraulic pressure by button on computers Pumping plant, the piston rod of each hydraulic lifting oil cylinder, according to predetermined extension value and thrust data generation action, promotes bow member template to move Dynamic, carry out template correction (location) on constructing tunnel bow member.During constructing tunnel, when constructing tunnel template bow member chassis Often positioning after construction once completes, whole hydraulic lifting cylinder piston rods are return, and constructing tunnel template bow member chassis proceeds to Behind next station location, on intelligent numerical control computer platform, memory storage has the predetermined extension of each hydraulic lifting oil cylinder last time Value and thrust data, be not required to from new measuring and calculating, then can be according to the predetermined extension value of each hydraulic lifting oil cylinder determined above with push away Force data, directly carries out the template correction on this constructing tunnel bow member;Constructing tunnel bow member chassis walking operation is pressed then with this Form cycle operation.Finally realize the either bow member chassis any location positioning during advancing when fixing, all can reach Accurately controlling and corrective action chassis bow member cope match-plate pattern.

2, implement the present invention technological process:<early stage constructing tunnel template bow member chassis formed operation>→ before tunnel Enter the mobile stationary positioned in direction → by hydraulic electromagnetic combination distributing valve on the pumping plant 12 of band intelligent numerical control computer platform, use height Hydraulic lifting oil cylinder 6,7,8,9,10,11 fixing on pressuring oil pipe and chassis is attached respectively → by data sensor line and hydraulic pressure Sensor on jacking cylinder be attached respectively → input the predetermined extension value of each hydraulic lifting oil cylinder and thrust data → One key starts hydraulic power unit on computers, and carrying out the arch ancient piece of jade, round, flat and with a hole in its centre of the template correction on constructing tunnel bow member → once, to pour molding procedure complete Become → all hydraulic lifting cylinder piston rods return → construction formwork bow member chassis proceed to next station location fixing → again One key starts hydraulic power unit on computers, carry out on constructing tunnel bow member template correction → by constructing tunnel template bow member chassis The every time location of movement and fixing, then form cycle operation.

One constructing tunnel bow member template bearing calibration of the present invention, its objective is to improve for producing during bow member model sheetinstallat Error gap, and again pour concrete arch an ancient piece of jade, round, flat and with a hole in its centre stitching error, during bow member model sheetinstallat produce comprehensive error, The correction of bow member template and fixing time, process control and control can be realized, reach to chassis bow member cope match-plate pattern accurately control and Corrective action.Use constructing tunnel bow member template bearing calibration to grasp and control following link:

1) preparation before constructing tunnel bow member template correction operation: road the construction centering of bow member formwork jumbo, symmetrical parallel position Should fix correct, check deviation and should control in measuring demand of technical standard.

2) having poured concrete section termination answers reaming to carry out finishing with template lap-joint, identical to guarantee that template overlaps Position is correct.Correct installation couples pushing tow cylinder oil inlet and oil return pipe, correct connection data sensor frock and data sensor line, each frock Complete should check confirmation firm and reliable connection.

3), before constructing tunnel bow member template correction operation, it is engaged in operator and the engineers and technicians of above-mentioned operation Safe practice operation to be carried out is told somebody what one's real intentions are.Check other auxiliary related security that should be equipped with is the most complete and put in place.

4) quality control should strictly observe tunnel construction technology requirement and standard carries out operation, dynamically controls to be diligent in seeing Examine arch mould bases both sides wing correction contact gap amount situation, notice that template correction is fixing and revise in time with or without error change when controlling Amount;Pinpoint the problems should alignment treatment in time, must not conceal and carry out operation.Note numerical control operating equipment protection.

In figure, arranging left and right two pieces of fixing piling bars 2 in tunnel, angle steel guiding ruler 1 is arranged on fixing piling bar 2, in group Install arrange on whole bow member formwork jumbo calibration contact point 3, the calibration contact point 3 of both sides contact with angle steel guiding ruler 1 respectively and Location;Hydraulic lifting oil cylinder 6,7,8,9,10,11 connects with corresponding bow member template 4 respectively, and its piston rod promotes corresponding arch Frame template 4 moves and corrects its position.End head formwork 5 is arranged on side;With intelligent numerical control computer platform (including computer) On pumping plant 12, hydraulic electromagnetic combination distributing valve is connected with hydraulic lifting oil cylinder 6,7,8,9,10,11 by high-pressure oil pipe respectively, to Each hydraulic lifting oil cylinder provides hydraulic power.

Above example is only in order to illustrate technical scheme and unrestricted, although with reference to preferred embodiment to this Bright it is described in detail, it will be understood by those within the art that, technical scheme can be modified Or equivalent, without deviating from objective and the scope of technical solution of the present invention, it all should contain the claim in the present invention In the middle of scope.

Claims (1)

1. a constructing tunnel bow member template bearing calibration, it is characterised in that comprise the steps:
1) tunnel according to constructing tunnel technique, and prepare qualified constructing tunnel bow member template, bow member chassis, and group Install whole;
2) according to constructing tunnel technological requirement, bow member chassis is moved and positions by tunnel direction of advance;Then will arch The pumping plant with intelligent numerical control computer platform on rack trolley hydraulic electromagnetic combination distributing valve, by high-pressure oil pipe respectively with arch The each hydraulic lifting oil cylinder being fixedly installed on rack trolley is attached, and pumping plant passes through high-pressure oil pipe to each hydraulic lifting oil cylinder Hydraulic power is provided;By data sensor line by the sensor on each hydraulic lifting oil cylinder respectively with intelligent numerical control computer platform It is attached, carries out signal transmission;Predetermined extension value and the thrust data of each hydraulic lifting oil cylinder is determined according to technological requirement, Inputting predetermined extension value and the thrust data of each hydraulic lifting oil cylinder on intelligent numerical control computer, a key starts liquid on computers Press pump station, it is achieved the template correction on constructing tunnel bow member;
3) after the construction this time of constructing tunnel template bow member chassis completes, whole hydraulic lifting cylinder piston rods are return, tunnel Road construction formwork bow member chassis proceeds to next station and positions, and remembers on the intelligent numerical control computer of intelligent numerical control computer platform Storage has predetermined extension value and the thrust data of upper each hydraulic lifting oil cylinder of a station, be not required to from new measuring and calculating then can directly according to The predetermined extension value of upper each hydraulic lifting oil cylinder of a station and thrust data, carry out the template school on this constructing tunnel bow member Just;Cycle operation is then formed by constructing tunnel bow member chassis walking operation with this.
CN201610274940.9A 2016-04-28 2016-04-28 A kind of constructing tunnel bow member template bearing calibration CN105840212B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106812539A (en) * 2017-02-22 2017-06-09 南通铁军机械有限公司 A kind of attitude regulating mechanism and control method for working jumbo for tunnel lining
CN108708747A (en) * 2018-05-23 2018-10-26 黄建国 A kind of active stress eliminating device for loose sand sand cobble geology constructing tunnel

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB425189A (en) * 1933-12-23 1935-03-08 Ferdinand Richards Contractible yielding continuous linings for underground roadways in mines and tunnels
GB1173617A (en) * 1966-12-21 1969-12-10 Asahi Glass Co Ltd Method of and Apparatus for Cutting and Sorting Glass.
CN204510010U (en) * 2015-03-24 2015-07-29 中冶建工集团有限公司 The intelligent prestressing force pull system of Prefabricated Concrete case beam hollowcore slab
CN104963702A (en) * 2015-07-20 2015-10-07 舟山市智海技术开发有限公司 Tunnel construction lining quantity confirming device and construction method thereof
CN204899942U (en) * 2015-08-26 2015-12-23 中铁一局集团有限公司 Formworking jumbo is used in multibreak face construction in tunnel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB425189A (en) * 1933-12-23 1935-03-08 Ferdinand Richards Contractible yielding continuous linings for underground roadways in mines and tunnels
GB1173617A (en) * 1966-12-21 1969-12-10 Asahi Glass Co Ltd Method of and Apparatus for Cutting and Sorting Glass.
CN204510010U (en) * 2015-03-24 2015-07-29 中冶建工集团有限公司 The intelligent prestressing force pull system of Prefabricated Concrete case beam hollowcore slab
CN104963702A (en) * 2015-07-20 2015-10-07 舟山市智海技术开发有限公司 Tunnel construction lining quantity confirming device and construction method thereof
CN204899942U (en) * 2015-08-26 2015-12-23 中铁一局集团有限公司 Formworking jumbo is used in multibreak face construction in tunnel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106812539A (en) * 2017-02-22 2017-06-09 南通铁军机械有限公司 A kind of attitude regulating mechanism and control method for working jumbo for tunnel lining
CN106812539B (en) * 2017-02-22 2020-07-17 南通铁军机械有限公司 Posture adjusting device and control method for tunnel lining formwork trolley
CN108708747A (en) * 2018-05-23 2018-10-26 黄建国 A kind of active stress eliminating device for loose sand sand cobble geology constructing tunnel
CN108708747B (en) * 2018-05-23 2019-12-13 南京东南建筑机电抗震研究院有限公司 Active stress relieving device for loose sand-gravel geological tunnel construction

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