CN108582431A - A kind of method for dismounting after prefabricated case beam core model and its use - Google Patents
A kind of method for dismounting after prefabricated case beam core model and its use Download PDFInfo
- Publication number
- CN108582431A CN108582431A CN201810761159.3A CN201810761159A CN108582431A CN 108582431 A CN108582431 A CN 108582431A CN 201810761159 A CN201810761159 A CN 201810761159A CN 108582431 A CN108582431 A CN 108582431A
- Authority
- CN
- China
- Prior art keywords
- plate
- core
- riser
- bar shaped
- connecting rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
Abstract
The present invention relates to the method for dismounting after a kind of prefabricated case beam core model and its use.Including the sequentially connected core model of more piece, core model is made of two core plates, and core plate includes top plate and bottom plate and riser between the two, and riser is hingedly made up of upper riser and lower riser hinge；Multiple gussets are set in the inner surface of core plate, more stulls are set between upper riser, between two lower risers at two, connecting rod is set at the both ends of stull；Multiple rod assemblies are set between the top plate and bottom plate of each core plate, rod assembly includes upper connecting rod and lower pull rod, the upper end of upper connecting rod is hinged with top plate, lower end and lower pull rod are hinged, the lower end of lower pull rod is hinged with bottom plate, further include two bar shaped steel, bar shaped steel is corresponded with core plate, and the hinge joint of upper connecting rod and lower pull rod in each rod assembly that each core plate is connected and the bar shaped steel corresponding to the core plate are hinged；Top plate is set above core model.Structure of the invention is reasonable, convenient disassembly.
Description
Technical field
The present invention relates to the dismounting sides after technical field of bridge construction more particularly to a kind of prefabricated case beam core model and its use
Method.
Background technology
Box beam is one kind of science of bridge building central sill, and inside is hollow shape, and there are the edge of a wing in top both sides, similar chest, and reinforcing bar is mixed
The box beam of Xtah Crude Clay structure is divided into prefabricated case beam and cast-in-situ box girder.
Precast beam field undertakes bridge box and beam prefabricated construction task required in bid section, and prefabricated case beam uses steel core model, spells
Integral hoisting is put into side form after dress, carries out the dismounting of core model after the completion of concreting first.
Box beam inner space is smaller, and internal model single-unit is gradually removed, and first removes internal model bottom and Panasonic supported on both sides, then will
Internal model skylight template, interior baffle plate are removed, and internal model two sides mould is then removed doubling, whole to pull out cheek board.Traditional technology
In core mold structure as shown in Fig. 2, for six section combined types, peace tears that difficulty is larger, and splicing seams faulting of slab ends is difficult to adjust open, cost of labor compared with
Greatly, construction efficiency is relatively low.
Invention content
Present invention seek to address that the deficiencies in the prior art, and a kind of prefabricated case beam core reasonable for structure, convenient disassembly is provided
Method for dismounting after mould and its use.
The present invention to achieve the above object, using following technical scheme：A kind of prefabricated case beam core model, including more piece pass through spiral shell
The sequentially connected core model of bolt, the core model section are inverted trapezoidal, and the core model is made of two opposite core plates of level, core
Plate includes top plate and bottom plate and riser between the two, and the bottom plate of two core plates docks, has spacing between top plate, and riser is by vertical
The upper riser and lower riser of arrangement are constituted, and upper riser and top plate be affixed, lower riser and bottom plate are affixed, upper riser lower edge and
Lower riser top edge is respectively provided with angle steel, and hinge is arranged between two angle steel；
Multiple gussets for being parallel to core plate width direction are set along the length direction of core plate in the inner surface of core plate, at two
More horizontal stulls are set along core plate length direction between upper riser, are arranged along core plate length direction between two lower risers
Connecting rod, connecting rod one end muscle adjacent thereto with stull threaded connection, the other end is arranged at the both ends of stull in more horizontal stulls
Crab bolt connects；
Multiple rod assemblies, the pull rod are set along the length direction of core plate between the top plate and bottom plate of each core plate
Component includes upper connecting rod and lower pull rod, is respectively provided between upper connecting rod and corresponding top plate, between lower pull rod and corresponding bottom plate
Drag link bearing, two drag link bearings are fixed with top plate and bottom plate respectively, and the upper end of the upper connecting rod and the drag link bearing of top plate are cut with scissors
Connect, the upper end of lower end and lower pull rod it is hinged, the lower end of lower pull rod and the drag link bearing of bottom plate are hinged, further include two and are parallel to core
The bar shaped steel of plate length direction, bar shaped steel are corresponded with core plate, the pull-up in each rod assembly that each core plate is connected
The hinge joint of bar and lower pull rod and the bar shaped steel corresponding to the core plate are hinged, and bar shaped steel is fixed with rod assembly by pin；
It is respectively provided with angle cleat between two top plates, between two bottom plates, setting and core model length side above core model
To it is parallel and with two top plates overlapped top plate, top plate both sides are connect by adhesive tape with top plate.
Preferably：Inclined supporting plate is set at the edge of a bottom plate, the angle of supporting plate and the bottom plate is acute angle, another
The attachment strap that inclined section is " L " shape is arranged in the edge of a bottom plate, and the horizontal part of attachment strap is parallel with supporting plate, the vertical position of attachment strap
In the top of attachment strap horizontal part.
Preferably：It is arranged parallel to the channel steel of core plate length direction, pull rod in the upper surface of the lower surface of top plate and bottom plate
Bearing is affixed with channel steel.
Preferably：It is arranged parallel to the channel steel of core plate length direction in the inner surface of upper riser and lower riser.
The present invention to achieve the above object, using following technical scheme：A kind of dismounting side after prefabricated case beam core model use
Method includes the following steps,
1) remove fixation pin between connection bolt, bar shaped steel and the rod assembly between each core model, two top plates it
Between angle cleat, the angle cleat between two bottom plates；
2) rotation stull makes the connecting rod at its both ends to moving inside stull, so that the surface of core plate is detached with concrete surface, so
The connection bolt of the connecting rod and gusset of stull one end is removed afterwards；
3) a bar shaped steel, bar shaped steel band is pulled to move upper connecting rod and lower pull rod and rotated around hinge joint, upper riser drives top
It is turned under plate, pulls on the bar shaped steel until the core plate being connect with the bar shaped steel is pulled out；
4) another core plate is pulled out according to step 3)；
5) top plate is removed.
The beneficial effects of the invention are as follows：The present invention is made of more piece core model, wherein often section core model is made of two core plates, core
Plate is hingedly made of upper and lower core plate again, under the action of rod assembly and bar shaped steel, is folded core plate, the present invention up and down and is fabricated to drawing
Formula is pulled out, it is convenient to assemble and disassemble, it is only necessary to which that construction can be completed in a people, greatly reduces cost of labor.It only needs to use elevator when form removal
Machine is removed, and is not required to enter case indoor construction, is improved construction safety coefficient, ensure the personal safety of operating personnel.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of core mould of the present invention；
Fig. 2 is the core model cross section structure schematic diagram in traditional technology.
In figure：1- risers；Riser under 1-1-；The upper risers of 1-2-；2- rod assemblies；Pull rod under 2-1-；2-2- upper connecting rods；3-
Hinge；4- angle steel；5- stulls；6- angle cleats；7- channel steels；8- connecting ribs；9- top plates；10- bar shaped steel；11- drag link bearings；
12- connecting rods；13- bottom plates；14- top plates.
It is described in detail with reference to attached drawing below with reference to the embodiment of the present invention.
Specific implementation mode
With reference to embodiment, the invention will be further described：
Referring to Fig. 1, the present invention includes more piece by the sequentially connected core model of bolt, and the core model section is inverted ladder
Shape, the core model are made of two opposite core plates of level, and core plate includes top plate 14, bottom plate 13 and riser 1 between the two, and two
The bottom plate 13 of a core plate docks, has spacing between top plate 14, and riser 1 is by vertically disposed upper riser 1-2 and lower riser 1-1 structures
At, upper riser 1-2 and top plate 14, affixed, lower riser 1-1 and bottom plate 13 are affixed, the lower edge in upper riser 1-2 and lower riser 1-1
Top edge is respectively provided with angle steel 4, and hinge 3 is arranged between two angle steel 4；
Multiple gussets for being parallel to core plate width direction are set along the length direction of core plate in the inner surface of core plate, at two
More horizontal stulls 5 are set along core plate length direction between upper riser 1-2, along core plate length between two lower riser 1-1
More horizontal stulls 5 are arranged in direction, connecting rod 12 are arranged at the both ends of stull 5,12 one end of connecting rod is threadedly coupled with stull 5, is another
One end gusset adjacent thereto is bolted；
Multiple rod assemblies 2, institute are set along the length direction of core plate between the top plate 14 and bottom plate 13 of each core plate
State rod assembly 2 include upper connecting rod 2-2 and lower pull rod 2-1, between upper connecting rod 2-2 and corresponding top plate 14, lower pull rod 2-1 with
Drag link bearing 11 is respectively provided between corresponding bottom plate 13, two drag link bearings 11 are fixed with top plate 14 and bottom plate 13 respectively, described
The upper end of upper connecting rod 2-2 is hinged with the drag link bearing 11 of top plate 14, lower end and the upper end of lower pull rod 2-1 are hinged, lower pull rod 2-1's
Lower end and the drag link bearing 11 of bottom plate 13 are hinged, further include two bar shaped steel 10 for being parallel to core plate length direction, bar shaped steel 10
It is corresponded with core plate, the hinge joint of upper connecting rod 2-2 and lower pull rod 2-1 in each rod assembly 2 that each core plate is connected
Hinged with the bar shaped steel 10 corresponding to the core plate, bar shaped steel 10 is fixed with rod assembly 2 by pin；
It is respectively provided with angle cleat 6 between two top plates 14, between two bottom plates 13, is arranged above core model long with core model
Spend direction it is parallel and with two top plates 14 overlapped top plate 9,9 both sides of top plate are connect by adhesive tape with top plate 14.
The core model of the present invention is formed after being fixed by two core plate splicings, and each core plate is by turnover two parts up and down again
It constitutes, top plate 14 and upper riser 1-2 is a part, and bottom plate 13 and lower riser 1-1 is another part, and the two passes through pull rod when being unfolded
Component 2 supports, and the upper connecting rod 2-2 and lower pull rod 2-1 in rod assembly 2 are hinged by axis, the upper connecting rod in each rod assembly
The articulated shaft of 2-2 and lower pull rod 2-1 pass through corresponding bar shaped steel 10, as upper connecting rod 2-2 and parallel lower pull rod 2-1 axis
(when i.e. core plate is propped up) bar shaped steel 10 is fixed with rod assembly by pin, when needing to fold core plate, is removed pin, is drawn
Dynamic bar shaped steel 10 drives core plate to fold.Two core plates pass through stull 5 and its connection of the connecting rod 12, top plate 14 and bottom plate 13 at both ends
Support is fixed in angle steel 6.
In the present embodiment, in order to improve two bottom plates 13 joint compactness, be arranged at the edge of bottom plate 13
The angle of inclined supporting plate, supporting plate and the bottom plate 13 is acute angle, and it is " L " that inclined section, which is arranged, at the edge of another bottom plate 13
The horizontal part of the attachment strap of shape, attachment strap is parallel with supporting plate, and attachment strap vertical portion is located at the top of attachment strap horizontal part.
In the present embodiment, in order to reinforce core plate, core is arranged parallel in the upper surface of the lower surface of top plate 14 and bottom plate 13
The channel steel 7 of plate length direction, drag link bearing 11 and channel steel 7 are affixed；It is flat in the setting of the inner surface of upper riser 1-2 and lower riser 1-1
Row is in the channel steel 7 of core plate length direction.
It is set along the length direction of core plate in the outer edge of the outer edge of two top plates 14 and two bottom plates 13 in the present invention
The multiple and affixed connecting rib 8 of core plate is set, the both ends of angle cleat 6 are connected with the connecting rib of its both sides 8 by bolt respectively
It connects.
By practical operation experience in force analysis and construction in the present invention, two top plates 14 channel steel 7 with it is corresponding
One or more in four positions between drag link bearing 11, between the channel steel 7 and corresponding drag link bearing 11 of two bottom plates 13
Gasket is arranged in a position, and gasket plays booster action.
Method for dismounting of prefabricated case beam core model after use is in the present invention：
Include the following steps,
1) fixation pin, two top plates between connection bolt, bar shaped steel 10 and the rod assembly 2 between each core model are removed
The angle cleat 6 between 6, two bottom plates 13 of angle cleat between 14；
2) rotation stull 5 makes the connecting rod 12 at its both ends to moving inside stull 5, makes surface and the concrete surface point of core plate
From then removing the connection bolt of the connecting rod 12 and gusset of stull 5 one end；
3) pull a bar shaped steel 10, bar shaped steel 10 that upper connecting rod 2-2 and lower pull rod 2-1 is driven to be rotated around hinge joint, on
Riser 1-2 drives and is turned under top plate 14, pulls on the bar shaped steel 10 until the core plate being connect with the bar shaped steel 10 is pulled out；
4) another core plate is pulled out according to step 3)；
5) top plate 9 is removed.
Present invention optimizes core model process for installing and detachingk, and original combined type single-unit core model is changed to pulling type core model, often saves core model
It is reduced to 2 combinations by 6 combinations, pacifies and tear open more convenient, splicing seams are more easy to adjust.
The present invention installs on level land, and making fixed limiting bracket using square steel carries out auxiliary split, ensures core model
Bottom is smooth, can preferably eliminate faulting of slab ends, ensure that bottom is smooth.Often section core model is torn open section by section according to the method for dismounting in the present invention
It removes, after unilateral core plate pulls out, is sling using suspender, core model can rely on dead weight expansion, then by each rod assembly 2 and bar shaped steel 10
Core plate is set to be unfolded by pin fixation, core plate, which is hoisted to split place, carries out polishing cleaning.
Prefabricated case beam core model is fabricated to drawing type by the present invention, convenient to assemble and disassemble, and splicing seams can easily be accommodated, and joint number is few, piece
It is few, convenient for only starching.Single-unit core model can be fastened along hinge 3, is unfolded, it is only necessary to and construction can be completed in a people, and core model teams and groups are reduced,
Greatly reduce cost of labor.Simplifying with single-unit core model core plate number after core model optimization, core plate anti-pressure ability become strong, carry
The number of turnover of high seam bolt, angle cleat 6, greatly reduces material cost and maintenance cost.Template teams and groups are removing
It only needs to remove using hoist engine when template, is not required to enter case indoor construction, improves construction safety coefficient, ensure operating personnel's
Personal safety.
Consider a variety of situations such as precasting yard practice of construction situation, process transition and linkage and construction efficiency economic benefit,
Quality control can be taken into account using pulling type core plate and work efficiency is promoted, ensure personnel's construction safety, reduce material cost.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the various improvement of inventive concept and technical scheme of the present invention progress, or not improved directly apply to other fields
It closes, within protection scope of the present invention.
Claims (5)
1. a kind of prefabricated case beam core model, it is characterised in that：Pass through the sequentially connected core model of bolt, the core model section including more piece
To be inverted trapezoidal, the core model is made of two opposite core plates of level, and core plate includes top plate (14), bottom plate (13) and the two
Between riser (1), bottom plate (13) docking of two core plates has spacing between top plate (14), and riser (1) is by vertically disposed
Riser (1-2) and lower riser (1-1) are constituted, and upper riser (1-2) and top plate (14) be affixed, lower riser (1-1) and bottom plate (13) are solid
It connects, is respectively provided with angle steel (4) in the lower edge of upper riser (1-2) and the top edge lower riser (1-1), is set between two angle steel (4)
Set hinge (3)；
Multiple gussets for being parallel to core plate width direction are set along the length direction of core plate in the inner surface of core plate, it is upper perpendicular at two
More horizontal stulls (5) are set along core plate length direction between plate (1-2), it is long along core plate between two lower risers (1-1)
More horizontal stulls (5) are arranged in degree direction, in the both ends of stull (5) setting connecting rod (12), connecting rod (12) one end and stull (5)
It is threadedly coupled, the gusset that the other end is adjacent thereto is bolted；
Multiple rod assemblies (2) are set along the length direction of core plate between the top plate (14) and bottom plate (13) of each core plate,
The rod assembly (2) includes upper connecting rod (2-2) and lower pull rod (2-1), upper connecting rod (2-2) and corresponding top plate (14) it
Between, be respectively provided with drag link bearing (11) between lower pull rod (2-1) and corresponding bottom plate (13), two drag link bearings (11) respectively with top
Plate (14) and bottom plate (13) are fixed, the upper end of the upper connecting rod (2-2) and the drag link bearing (11) of top plate (14) be hinged, lower end with
The upper end of lower pull rod (2-1) is hinged, and the lower end of lower pull rod (2-1) is hinged with the drag link bearing (11) of bottom plate (13), further includes two
A bar shaped steel (10) for being parallel to core plate length direction, bar shaped steel (10) are corresponded with core plate, and each core plate is connected every
The hinge joint of upper connecting rod (2-2) and lower pull rod (2-1) in a rod assembly (2) is cut with scissors with the bar shaped steel (10) corresponding to the core plate
It connects, bar shaped steel (10) is fixed with rod assembly (2) by pin；
It is respectively provided with angle cleat (6) between two top plates (14), between two bottom plates (13), setting and core model above core model
Length direction it is parallel and with two top plates (14) overlapped top plate (9), top plate (9) both sides pass through adhesive tape with top plate (14) even
It connects.
2. prefabricated case beam core model according to claim 1, it is characterised in that：It is arranged at the edge of a bottom plate (13) and tilts
Supporting plate, the angle of supporting plate and the bottom plate (13) is acute angle, and it is " L " that inclined section, which is arranged, at the edge of another bottom plate (13)
The horizontal part of the attachment strap of shape, attachment strap is parallel with supporting plate, and attachment strap vertical portion is located at the top of attachment strap horizontal part.
3. prefabricated case beam core model according to claim 1, it is characterised in that：In the lower surface of top plate (14) and bottom plate (13)
Upper surface be arranged parallel to the channel steel (7) of core plate length direction, drag link bearing (11) and channel steel (7) are affixed.
4. prefabricated case beam core model according to claim 1, it is characterised in that：In upper riser (1-2) and lower riser (1-1)
Inner surface is arranged parallel to the channel steel (7) of core plate length direction.
5. the method for dismounting after a kind of prefabricated case beam core model use described in claim 1, it is characterised in that：Including following step
Suddenly,
1) fixation pin, two top plates between connection bolt, bar shaped steel (10) and the rod assembly (2) between each core model are removed
(14) angle cleat (6) between angle cleat (6), two bottom plates (13) between；
2) rotation stull (5) makes the connecting rod (12) at its both ends to movement inside stull (5), makes surface and the concrete surface point of core plate
From, then remove stull (5) one end connecting rod (12) and gusset connection bolt；
3) pull a bar shaped steel (10), bar shaped steel (10) that upper connecting rod (2-2) and lower pull rod (2-1) is driven to turn around hinge joint
Dynamic, upper riser (1-2) drives and is turned under top plate (14), pulls on the bar shaped steel (10) until will be connect with the bar shaped steel (10)
Core plate pulls out；
4) another core plate is pulled out according to step 3)；
5) top plate (9) is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810761159.3A CN108582431A (en) | 2018-07-12 | 2018-07-12 | A kind of method for dismounting after prefabricated case beam core model and its use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810761159.3A CN108582431A (en) | 2018-07-12 | 2018-07-12 | A kind of method for dismounting after prefabricated case beam core model and its use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108582431A true CN108582431A (en) | 2018-09-28 |
Family
ID=63615376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810761159.3A Pending CN108582431A (en) | 2018-07-12 | 2018-07-12 | A kind of method for dismounting after prefabricated case beam core model and its use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108582431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049018A (en) * | 2020-09-10 | 2020-12-08 | 中铁十四局集团第四工程有限公司 | Folding core mould of hollow slab beam for highway construction |
| CN115387244A (en) * | 2022-08-30 | 2022-11-25 | 湖南中铁五新模板工程服务有限公司 | Hanging basket internal mold for cantilever casting construction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204094925U (en) * | 2014-09-11 | 2015-01-14 | 中交一公局第三工程有限公司 | The internal mould device of prefabricated small box girder |
| WO2017166160A1 (en) * | 2016-03-31 | 2017-10-05 | 中交第二航务工程局有限公司 | Short-line match-casting-based precast template system for girder bridge having composite structure and corrugated steel webs |
| CN209319985U (en) * | 2018-07-12 | 2019-08-30 | 中交一航局第一工程有限公司 | A kind of prefabricated case beam core model |
-
2018
- 2018-07-12 CN CN201810761159.3A patent/CN108582431A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204094925U (en) * | 2014-09-11 | 2015-01-14 | 中交一公局第三工程有限公司 | The internal mould device of prefabricated small box girder |
| WO2017166160A1 (en) * | 2016-03-31 | 2017-10-05 | 中交第二航务工程局有限公司 | Short-line match-casting-based precast template system for girder bridge having composite structure and corrugated steel webs |
| CN209319985U (en) * | 2018-07-12 | 2019-08-30 | 中交一航局第一工程有限公司 | A kind of prefabricated case beam core model |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049018A (en) * | 2020-09-10 | 2020-12-08 | 中铁十四局集团第四工程有限公司 | Folding core mould of hollow slab beam for highway construction |
| CN115387244A (en) * | 2022-08-30 | 2022-11-25 | 湖南中铁五新模板工程服务有限公司 | Hanging basket internal mold for cantilever casting construction |
| CN115387244B (en) * | 2022-08-30 | 2023-08-25 | 湖南中铁五新模板工程服务有限公司 | Hanging basket internal mold for cantilever pouring construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106677211B (en) | Wall tears assembled piping lane aluminum dipping form trolley system and its construction method open with the top plate whole morning poured | |
| CN101117791B (en) | Abnormal shape steel case and orthotropic plate bottom formwork combined type moving die carrier framework and construction method thereof | |
| CN107338727B (en) | Integrally-disassembled and assembled anti-collision wall template and walking type rail hanging and moving system thereof | |
| CN206538787U (en) | A kind of wall tears assembled piping lane aluminum dipping form chassis system open with the top plate whole morning poured | |
| CN209319985U (en) | A kind of prefabricated case beam core model | |
| CN101126223A (en) | Mobile integral construction platform, construction method thereof and special sling for the same | |
| CN102395731B (en) | Overhead form traveller and method | |
| CN109594479A (en) | A kind of parallel overpass center anticollision barrier of double width while construct mould bases and method | |
| CN212079327U (en) | Hydraulic pressure regulation formula side wall template platform truck | |
| CN110424277A (en) | PC beam bridge Wavelike steel webplate hanging apparatus and construction method with low gantry crane | |
| CN107419746A (en) | A kind of mobile formwork system and its construction method | |
| CN101929126B (en) | Self-help hoisting mechanism of low-position cantilever walking type bridge erection machine | |
| CN108582431A (en) | A kind of method for dismounting after prefabricated case beam core model and its use | |
| CN106042173A (en) | Bridge production system | |
| CN206512605U (en) | A kind of overall demolition, installation anticollision wall form and its walking track crane move system | |
| CN106381814A (en) | Cast-in-cantilever structure of movable crane formwork of zigzag-form steel web continuous box beam and construction method of cast-in-cantilever structure | |
| CN112195798A (en) | Segmental assembling integrated bridge girder erection machine and construction method thereof | |
| CN110130937B (en) | Tunnel construction trolley | |
| CN111926998B (en) | Super high-rise structure outer frame steel pipe column construction method | |
| CN110468743A (en) | A kind of traveling cradle and construction method for the transformation of old pier coping | |
| CN109914239A (en) | Bridge cast-in-place concrete anticollision barrier constructing device and its method | |
| CN206233120U (en) | Folding shape steel web continuous box girder jenny mould bases cantilever structure | |
| CN207344808U (en) | A kind of draw type steel internal mould | |
| CN110453689A (en) | A kind of physa hole inwall template construction system and construction method | |
| CN113417219B (en) | Hydraulic internal mold asynchronous traveling system and method for bridge suspension casting basket box chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |