CN106436581A - Upstroke type movable mould frame in-situ modularization rapid detaching construction method - Google Patents
Upstroke type movable mould frame in-situ modularization rapid detaching construction method Download PDFInfo
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- CN106436581A CN106436581A CN201610881786.1A CN201610881786A CN106436581A CN 106436581 A CN106436581 A CN 106436581A CN 201610881786 A CN201610881786 A CN 201610881786A CN 106436581 A CN106436581 A CN 106436581A
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- girder
- bridge
- crossbeam
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides an upstroke type movable mould frame detaching construction method which is rapid, economical, safe and reliable. The upstroke type movable mould frame in-situ modularization rapid detaching construction method comprises the following steps that (1) a hanger rod is released after construction of the last concrete box girder is completed by a movable mould frame, and the processes of mould falling and mould opening are conducted to prepare in-situ detaching construction on the movable mould frame; and (2) each part of the movable mould frame is partitioned into several units including a main girder unit, a nose girder unit, a crossbeam unit and a suspended beam formwork unit, and a movable mould frame system is detached sequentially in the following order: (1) the suspended beam formwork unit, (2) the crossbeam unit, (3) the nose girder unit, (4) the main girder unit and (5) a landing leg unit.
Description
Technical field
The invention belongs to technical field of bridge construction is and in particular to a kind of upstroke movable framework original position modularization is quickly torn open
Unload construction method.
Background technology
Mobile formwork is that one kind carries template, by the use of cushion cap or pier stud as supporting, bridge is carried out with the elder generation of cast in situs
Enter construction machinery, be widely used in the Construction of continuous beam of highway bridge, railway bridge, it has short construction period, easy and simple to handle, construction
Safe and reliable, live civilized succinct the features such as.Because the dead load of mobile formwork is big, component is many, construction is complicated, box girder webs
After the completion of construction, how quickly, economic, safe, orderly the dismounting completing mobile formwork is a critical process, due to up
The girder of formula mobile formwork, nose girder and crossbeam are arranged at more than bridge floor, can be square using pouring the concrete box girder completing
Carrying out just removes, transports, and therefore, the heavy difficult point of upstroke movable framework dismounting is the template of bridge floor bottom, the dismounting of drop in beam.
It is bottom-up that upstroke movable framework dismounting construction method of the prior art mainly uses ground lifting equipment
Template, drop in beam and crossbeam of mobile formwork etc. are removed in midair disintegration successively.It is big that this kind of dismounting mode needs workman to release in high-altitude
Amount connecting bolt, to template using removing section by section, operational sequence complexity, activity duration length, low construction efficiency and security risk is big.
Content of the invention
It is an object of the present invention to provide a kind of quick, economic, safe and reliable upstroke movable framework dismantles construction method.
To achieve these goals, the present invention employs the following technical solutions：
A kind of fast quick-detach construction method of upstroke movable framework original position modularization, mobile formwork includes supporting leg, is arranged on supporting leg
On girder, the bridge of the nose being arranged on girder, the drop in beam template on the crossbeam connecting girder and setting crossbeam, drop in beam template with horizontal
Connected by suspension rod between beam it is characterised in that：This construction method comprises the following steps：
1）Mobile formwork completes last after concrete box girder construction, releases suspension rod and carries out stamping die, die sinking operation, it is right to prepare
Mobile formwork carries out dismantling construction in situ；
2）Mobile formwork each several part is divided some units, including girder unit, bridge of the nose unit, crossbeam unit and drop in beam template list
Unit, is removed successively to mobile formwork system in the following order：1. the bridge of the nose list of the crossbeam unit of drop in beam modular unit → 2. → 3.
The supporting leg unit of girder unit → 5. of unit → 4..
The preferred embodiment of the invention, removes drop in beam modular unit process as follows：After releasing suspension rod, by whole drop in beam template
Unit is divided into multiple subelements, and each subelement includes two groups of drop in beams and its template being in homonymy, and each subelement is as whole
Body is removed, and is calculated the position of centre of gravity of drop in beam template subelement using software, is rationally set according to position of centre of gravity before removing
Put hanger it is necessary to hanger be arranged on the center of gravity both sides of subelement, remove drop in beam template successively using ground lifting equipment single
Unit, until completing the dismounting of whole drop in beam modular unit, needs left and right sides symmetrical construction in demolishing process.
The preferred embodiment of the invention, removes crossbeam unit process as follows：Workman removes between each section crossbeam in bridge floor
After crossbeam connecting bolt, both sides are lifted up respectively by ground lifting equipment and respectively save after crossbeam certain distance, outside pull, make two
Side crossbeam and girder safe escape, need left and right sides symmetrical construction in demolishing process, repeat above procedure, until completing all horizontal strokes
The dismantlement work of beam.
The preferred embodiment of the invention, removes bridge of the nose unit process as follows：Mobile formwork voluntarily retreats certain distance, makes nose
Beam is integrally located at more than bridge floor, increases supporting trolley as temporary support, fix front end using ground lifting equipment on rear side of girder
The first segment bridge of the nose, after bridge floor releases bridge of the nose connecting bolt, lifting appliance lifts the first segment bridge of the nose to bridge floor transport vehicle to workman,
Repeat the dismantlement work that this process is sequentially completed all bridge of the noses.
The preferred embodiment of the invention, removes girder unit process as follows：Using temporary cushion block, each section girder is supported on
On bridge floor, release each section girder connecting bolt, lifted each section girder to bridge floor transport vehicle successively using ground lifting equipment, complete
Become the dismantlement work of girder unit.
The preferred embodiment of the invention, removes supporting leg unit process as follows：Using truck crane successively remove front leg strut and and
Middle supporting leg, completes the dismantlement work of a whole set of mobile formwork.
The invention has the beneficial effects as follows：
1st, simple to operate, dismounting short time limit：Mobile formwork is integrally divided into some units by the present invention, carries out mould to unit
Blockization is removed, and greatly reduces the quantity disassembling bolt and dismounting part compared with traditional dismounting mode, and disassembling section is simpler
Just and can effectively shorten dismounting the duration；
2nd, good economy performance：Decrease the large number quipments in unloading process and human input, there is good economy；
3rd, construction safety is reliable：Due to the construction of overall original position Modularized dismounting, most of dismounting operation is carried out in bridge floor, and existing
Dismounting technique compare, decrease substantial amounts of work high above the ground construction, safe and reliable and improve efficiency of construction.
Brief description
Fig. 1 is upstroke movable framework longitudinal direction general assembly drawing；
Fig. 2 is the horizontal general assembly drawing of upstroke movable framework；
Fig. 3 molds for upstroke movable framework, stamping die state diagram；
Fig. 4 is drop in beam template position of centre of gravity figure；
Fig. 5 removes operating mode schematic diagram for drop in beam modular unit；
Fig. 6 removes operating mode schematic diagram for crossbeam unit；
Fig. 7 removes operating mode schematic diagram for bridge of the nose unit；
Based on Fig. 8, beam element removes operating mode schematic diagram.
Wherein, 1- girder；The 2- bridge of the nose；Supporting leg in 3-；4- front leg strut；5- crossbeam connecting bolt；6- suspension rod；7- crossbeam；8-
Drop in beam template；9- supporting trolley；10- temporary cushion block；11- hanger；12- bridge of the nose connecting bolt；13- girder connecting bolt；14- ground
Face lifting appliance.
Specific embodiment
For making the objects, technical solutions and advantages of the present invention become more apparent, develop simultaneously embodiment referring to the drawings, right
The present invention further describes.
As Fig. 1 and Fig. 2, the movement of the upstroke movable framework original position modularization fast quick-detach construction method application of the present invention
Mould bases includes supporting leg, the girder 1 being arranged on supporting leg, is arranged on the bridge of the nose 2 of girder 1 front end, connects the crossbeam 7 of girder 1 and set
Put the drop in beam template 8 on crossbeam 7, be connected by suspension rod 6 between drop in beam template 8 and crossbeam 7, comprise the following steps：
1）Mobile formwork completes last after concrete box girder construction, as shown in figure 3, releasing suspension rod 6 and carrying out stamping die, die sinking
Operation, prepares mobile formwork to be carried out dismantle construction in situ；
2）By mobile formwork each several part divide some units, including supporting leg unit, girder unit, bridge of the nose unit, crossbeam unit and
Drop in beam modular unit, is removed successively to mobile formwork system in the following order：1. the crossbeam unit of drop in beam modular unit → 2.
→ 3. supporting leg the unit of the girder unit of bridge of the nose unit → 4. → 5..
Unit demolishing process is as follows：
Remove drop in beam modular unit process as follows：After releasing suspension rod 6, whole drop in beam modular unit is divided into multiple subelements, often
Individual subelement includes two groups of drop in beams and its template being in homonymy, and each subelement is removed as overall, utilizes before removing
Software be calculated the position of centre of gravity of drop in beam template subelement as shown in figure 4, hanger 11 is rationally arranged according to position of centre of gravity it is necessary to
Hanger 11 is arranged on the center of gravity both sides of subelement, prevents run-off the straight in unloading process, using ground lifting equipment 14 successively
Remove drop in beam template subelement, until completing the dismounting of whole drop in beam modular unit, as shown in figure 5, needing left and right in demolishing process
Both sides symmetrical construction, prevents mobile formwork in demolishing process overall due to the eccentric run-off the straight of deadweight.
Remove crossbeam unit process as follows：With reference to Fig. 6, workman removes the crossbeam between each section crossbeam 7 in bridge floor and connects spiral shell
After bolt 5, both sides are lifted up respectively by ground lifting equipment 14 and respectively save after crossbeam 7 certain distance, outside pull, make both sides crossbeam
7 with girder safe escape, need left and right sides symmetrical construction in demolishing process, repeat above procedure, until completing all crossbeams 7
Dismantlement work.
Remove bridge of the nose unit process as follows：With reference to Fig. 7, mobile formwork voluntarily retreat a span from,（Make scope 35- into
50m）, make the bridge of the nose be integrally located at more than bridge floor, increase supporting trolley 9 on rear side of girder as temporary support, set using ground lifting
The standby 14 fixing front end first segment bridge of the noses, after bridge floor releases bridge of the nose connecting bolt 12, lifting appliance 14 is by the first segment bridge of the nose for workman
Lift to bridge floor transport vehicle, repeat the dismantlement work that this process is sequentially completed all bridge of the noses.
Remove girder unit process as follows：With reference to Fig. 8, using temporary cushion block 10, each section girder is supported on bridge floor, solution
Except each section girder connecting bolt 13, using ground lifting equipment 14, each section girder is lifted successively to bridge floor transport vehicle, complete to lead
The dismantlement work of beam element.
Remove supporting leg unit process as follows：Using truck crane successively remove front leg strut and and middle supporting leg 3, complete a whole set of movement
The dismantlement work of mould bases.
Above-mentioned specific embodiment is only the concrete case of the present invention, is not the restriction that the present invention is made with other forms,
Any those skilled in the art are changed or are modified as equivalent variations possibly also with the technology contents of the disclosure above
Equivalent implementations.But on the premise of every principle without departing from the technology of the present invention, according to the present invention technical spirit to more than
Any simple modification, equivalent variations and remodeling that embodiment is made, all should fall into the scope of patent protection of the present invention.
Claims (6)
1. the fast quick-detach construction method of a kind of upstroke movable framework original position modularization, mobile formwork includes supporting leg, is arranged on
Girder on leg, the bridge of the nose being arranged on girder, connect girder crossbeam and setting crossbeam on drop in beam template, drop in beam template with
Connected by suspension rod between crossbeam it is characterised in that：This construction method comprises the following steps：
1）Mobile formwork completes last after concrete box girder construction, releases suspension rod and carries out stamping die, die sinking operation, it is right to prepare
Mobile formwork carries out dismantling construction in situ；
2）Mobile formwork each several part is divided some units, including girder unit, bridge of the nose unit, crossbeam unit and drop in beam template list
Unit, is removed successively to mobile formwork system in the following order：1. the bridge of the nose list of the crossbeam unit of drop in beam modular unit → 2. → 3.
The supporting leg unit of girder unit → 5. of unit → 4..
2. the fast quick-detach construction method of upstroke movable framework original position modularization as claimed in claim 1 is it is characterised in that remove
Drop in beam modular unit process is as follows：After releasing suspension rod, whole drop in beam modular unit is divided into multiple subelements, each subelement bag
Include two groups of drop in beams being in homonymy and its template, each subelement is removed as overall, calculates using software before removing
To the position of centre of gravity of drop in beam template subelement, hanger is rationally arranged it is necessary to hanger is arranged on subelement according to position of centre of gravity
Center of gravity both sides, remove drop in beam template subelement successively using ground lifting equipment, until completing tearing open of whole drop in beam modular unit
Remove, in demolishing process, need left and right sides symmetrical construction.
3. the fast quick-detach construction method of upstroke movable framework original position modularization as claimed in claim 1 is it is characterised in that remove
Crossbeam unit process is as follows：Workman, after bridge floor removes the crossbeam connecting bolt between each section crossbeam, is divided by ground lifting equipment
It is not lifted up after both sides respectively save crossbeam certain distance, outside pull, make both sides crossbeam and girder safe escape, in demolishing process
Need left and right sides symmetrical construction, repeat above procedure, until completing the dismantlement work of all crossbeams.
4. the fast quick-detach construction method of upstroke movable framework original position modularization as claimed in claim 1 is it is characterised in that remove
Bridge of the nose unit process is as follows：Mobile formwork voluntarily retreats certain distance, makes the bridge of the nose be integrally located at more than bridge floor, increases on rear side of girder
As temporary support, using the ground lifting equipment fixing front end first segment bridge of the nose, workman releases the bridge of the nose even in bridge floor to supporting trolley
After connecting bolt, lifting appliance lifts the first segment bridge of the nose to bridge floor transport vehicle, repeats this process and is sequentially completed tearing open of all bridge of the noses
Unload work.
5. the fast quick-detach construction method of upstroke movable framework original position modularization as claimed in claim 1 is it is characterised in that remove
Girder unit process is as follows：Using temporary cushion block, each section girder is supported on bridge floor, releases each section girder connecting bolt, utilize
Ground lifting equipment lifts each section girder successively to bridge floor transport vehicle, completes the dismantlement work of girder unit.
6. the fast quick-detach construction method of upstroke movable framework original position modularization as claimed in claim 1 is it is characterised in that remove
Supporting leg unit process is as follows：Using truck crane successively remove front leg strut and and middle supporting leg, complete the dismounting work of a whole set of mobile formwork
Make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610881786.1A CN106436581A (en) | 2016-10-10 | 2016-10-10 | Upstroke type movable mould frame in-situ modularization rapid detaching construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610881786.1A CN106436581A (en) | 2016-10-10 | 2016-10-10 | Upstroke type movable mould frame in-situ modularization rapid detaching construction method |
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| Publication Number | Publication Date |
|---|---|
| CN106436581A true CN106436581A (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610881786.1A Pending CN106436581A (en) | 2016-10-10 | 2016-10-10 | Upstroke type movable mould frame in-situ modularization rapid detaching construction method |
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| CN (1) | CN106436581A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055908A (en) * | 2019-05-05 | 2019-07-26 | 中国铁建大桥工程局集团有限公司 | A kind of Demolition Construction method of bridge construction upstroke movable framework |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008274637A (en) * | 2007-04-27 | 2008-11-13 | Ps Mitsubishi Construction Co Ltd | Construction method for continuous viaduct |
| CN101818479A (en) * | 2009-10-10 | 2010-09-01 | 中交二公局第二工程有限公司 | Construction process for overhead back-up movement and dismantlement of movable shuttering form |
| CN102653938A (en) * | 2011-12-29 | 2012-09-05 | 中交第四公路工程局有限公司 | Offshore dismantling construction method of descending form traveler |
| CN105297637A (en) * | 2015-11-25 | 2016-02-03 | 中铁二十局集团有限公司 | Method for integrally disassembling descending movable formwork bridging machine |
| CN105887690A (en) * | 2016-05-05 | 2016-08-24 | 中建五局土木工程有限公司 | Construction method for removing upward movable formwork in situ |
-
2016
- 2016-10-10 CN CN201610881786.1A patent/CN106436581A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008274637A (en) * | 2007-04-27 | 2008-11-13 | Ps Mitsubishi Construction Co Ltd | Construction method for continuous viaduct |
| CN101818479A (en) * | 2009-10-10 | 2010-09-01 | 中交二公局第二工程有限公司 | Construction process for overhead back-up movement and dismantlement of movable shuttering form |
| CN102653938A (en) * | 2011-12-29 | 2012-09-05 | 中交第四公路工程局有限公司 | Offshore dismantling construction method of descending form traveler |
| CN105297637A (en) * | 2015-11-25 | 2016-02-03 | 中铁二十局集团有限公司 | Method for integrally disassembling descending movable formwork bridging machine |
| CN105887690A (en) * | 2016-05-05 | 2016-08-24 | 中建五局土木工程有限公司 | Construction method for removing upward movable formwork in situ |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055908A (en) * | 2019-05-05 | 2019-07-26 | 中国铁建大桥工程局集团有限公司 | A kind of Demolition Construction method of bridge construction upstroke movable framework |
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Application publication date: 20170222 |