CN108677722A - Hollow High Pier with Thin Wall stub top section construction technology - Google Patents
Hollow High Pier with Thin Wall stub top section construction technology Download PDFInfo
- Publication number
- CN108677722A CN108677722A CN201810500487.8A CN201810500487A CN108677722A CN 108677722 A CN108677722 A CN 108677722A CN 201810500487 A CN201810500487 A CN 201810500487A CN 108677722 A CN108677722 A CN 108677722A
- Authority
- CN
- China
- Prior art keywords
- pier
- thin wall
- pier stud
- top section
- hollow high
- 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
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
Abstract
The present invention relates to a kind of Hollow High Pier with Thin Wall stub top section construction technologies, are constructed to pier stud using sliding form apparatus, wherein the sliding form apparatus includes external mold and the internal model in the external mold, is included the following steps：When the variable cross-section position of the sliding form apparatus pier stud, built-in fitting construction is carried out, wherein the built-in fitting includes pre-embedded steel slab and the embedded bar that is fixed on the pre-embedded steel slab, wherein the pre-embedded steel slab is arranged in the inside of the pier stud；The internal model is removed from the pier stud, then the mounting bracket on the pre-embedded steel slab；Prefabricated variable cross-section template is mounted on the bracket；Reinforcement construction is carried out to the pier stud, then carries out concreting；Continue to lift up the external mold, and casting concrete.The method of the present invention is simple, reduces labor intensity and degree-of-difficulty factor.
Description
Technical field
The present invention relates to the technical fields of bridge pier column construction, refer in particular to a kind of section construction of Hollow High Pier with Thin Wall stub top
Technique.
Background technology
With the development of Construction of Highway Traffic, mountainous area highway is more and more, and the ratio that bridge tunnel accounts for highway is more next
Bigger, because topography is precipitous, relative fall is larger, and Bridges in Mountainous Areas occurs tens in succession towards developing across, cantilever, the directions Gao Dun greatly
The even higher high pier of rice.Usual high pier uses hollow thin-wall pier stud, due to the hollow thin-wall pier stud torsional moment inertia compared with
Greatly, therefore stability is preferable.
It is existing be directed to Hollow High Pier with Thin Wall column Operation on pier top when, using mould crawling technology：After pouring one section of template, promotion is climbed
Frame, then one section of template, pouring construction are installed, wherein there is no relative motion between the template and the concrete poured, lower layer
Concrete form removal after solidification.When being constructed using mould crawling technology, it is not possible to avoid there are construction joints, and due to die body
Material utilization amount is more, and needs to set up scaffold, and not only labor intensity and degree-of-difficulty factor are big, and of high cost.
In order to overcome the above problem, Chinese invention patent（CN106930192A）Disclose a kind of assembled variable cross-section contracture
Sliding mode system and its construction method, system assemble the inside and outside truss constituted and door frame, each bracket panel, inside and outside mould by assembled frame
Plate and the feed-through hydraulic jack etc. that respectively climbs constitute variable cross section size system, and this method includes according to design Thin-wall Hollow Pier
Size prepare the components such as assembled frame respectively, use bolt and nut respectively at the construction field (site) with assembled frame and truss adjusting block
Assembling is applicable in the inside and outside truss of Thin-wall Hollow Pier design size and Integral synchronous promotes inside and outside truss etc..The sliding formwork of above-mentioned use
Device constructs to high pier stud, in its work progress, needs internal model and external mold sliding simultaneously, therefore construction method is multiple
It is miscellaneous, cause difficulty of construction big.
Invention content
For this purpose, technical problem to be solved by the present invention lies in overcome in the prior art difficulty of construction lead to construction efficiency greatly
Low problem, to provide it is a kind of reduction difficulty of construction to improve construction efficiency Hollow High Pier with Thin Wall stub top section construction work
Skill.
In order to solve the above technical problems, a kind of Hollow High Pier with Thin Wall stub top section construction technology of the present invention, using sliding formwork
Device constructs to pier stud, wherein the sliding form apparatus includes external mold and the internal model in the external mold, including as follows
Step：Step S1：When the variable cross-section position of the sliding form apparatus pier stud, built-in fitting construction, wherein institute are carried out
It includes pre-embedded steel slab and the embedded bar that is fixed on the pre-embedded steel slab to state built-in fitting, wherein pre-embedded steel slab setting exists
The inside of the pier stud；Step S2：The internal model is removed from the pier stud, then the mounting bracket on the pre-embedded steel slab；
Step S3：Prefabricated variable cross-section template is mounted on the bracket；Step S4：To pier stud progress reinforcement construction, then into
Row concreting；Step S5：Continue to lift up the external mold, and casting concrete.
In one embodiment of the invention, the top surface steel bar end of the embedded bar is equipped with hook, and the hook
Extending direction is vertical with the main body length direction of the embedded bar.
In one embodiment of the invention, when the built-in fitting construction, the height of the pre-embedded steel slab is controlled,
Setting-out goes out pre-buried point, in the plane that the built-in fitting processed is placed to the internal model, the embedded bar and the pier stud
Main reinforcement is welded, casting concrete after the completion of fixing.
In one embodiment of the invention, after the completion of the built-in fitting construction, concreting is carried out, waits for that concrete strength reaches
To after design requirement value, start to promote the sliding form apparatus, after being promoted to specified altitude assignment, the external mold is motionless, makes institute
State internal model entirety exhaust.
In one embodiment of the invention, the internal model is hoisted to ground, is removed on the ground to internal model.
In one embodiment of the invention, the variable cross-section template by reinforcement welding at framework of steel reinforcement and plank sheathing structure
At.
In one embodiment of the invention, the variable cross-section template is hoisted on the bracket, and the framework of steel reinforcement
It is welded on the bracket.
In one embodiment of the invention, the method for the pier stud progress reinforcement construction is：Horizontal hoop reinforcing bar is bound
Afterwards, then by lengthways main steel bar thread rolling bar joints are used.
In one embodiment of the invention, the external mold, then casting concrete are continued to lift up, continuous construction is kept.
In one embodiment of the invention, after the external mold is promoted, make magma in concrete surface and flatten or repair.
The above technical solution of the present invention has the following advantages over the prior art：
Hollow High Pier with Thin Wall stub of the present invention top section construction technology, constructs to pier stud using sliding form apparatus, works as institute
When stating the variable cross-section position of the sliding form apparatus pier stud, built-in fitting construction is carried out, being provided with for the built-in fitting is conducive to
It plays a supporting role；The internal model is removed from the pier stud, to be conducive to the installation of the follow-up variable cross-section template, then
The mounting bracket on the pre-embedded steel slab；Prefabricated variable cross-section template is mounted on the bracket；Steel is carried out to the pier stud
Muscle is constructed, then carries out concreting, to form armored concrete；The external mold, and casting concrete are continued to lift up, to
Complete the construction to the pier stud.Not only die body material utilization amount is few by the present invention, need not set up scaffold；And template only needs
Spelling is torn open once, and labor intensity and degree-of-difficulty factor are reduced, and assembled quality is guaranteed；In addition, slding form operation speed is fast, the duration is tight
More set die bodys can be put into while construct by opening, and improve working efficiency；Slding form operation is soft demoulding, and concrete quality is convenient for control and adjusts
Whole, slding form operation is that continuous construction is compared with other methods it is possible to prevente effectively from construction joint；Furthermore safety of the invention is good,
Sliding form apparatus structure has closing, fixed operating platform, and the personnel that can effectively take precautions against fall, fall the generation of the safety accidents such as object.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is Hollow High Pier with Thin Wall stub of the present invention top section construction flow chart；
Fig. 2 is the vertical view of sliding form apparatus of the present invention；
Fig. 3 is the stereoscopic schematic diagram of variable cross-section template of the present invention；
Fig. 4 is the diagrammatic cross-section that built-in fitting of the present invention is connect with bracket；
Fig. 5 is the vertical view that built-in fitting of the present invention is connect with bracket；
Fig. 6 is the front view of external mold after internal model of the present invention is removed.
Reference sign：10- sliding form apparatus, 11- external molds, the first hoisting frames of 111-, the first jack of 112-, in 12-
Mould, the second hoisting frames of 121-, the second jack of 122-, 123- second support bars, 20- pier studs, 30- built-in fittings, 31- pre-buried steels
Plate, 32- embedded bars, 321- hooks, 40- brackets, 50- variable cross-section templates, 51- frameworks of steel reinforcement, 52- plank sheathings.
Specific implementation mode
As shown in Figures 1 to 5, the present embodiment provides a kind of Hollow High Pier with Thin Wall stub top section construction technologies, using sliding formwork
Device 10 constructs to pier stud 20, wherein the sliding form apparatus 10 include external mold 11 and in the external mold 11 in
Mould 12, includes the following steps：Step S1：When the variable cross-section position of 10 pier stud 20 of the sliding form apparatus, carry out
Built-in fitting 30 is constructed, wherein the built-in fitting 30 includes pre-embedded steel slab 31 and the pre-buried steel being fixed on the pre-embedded steel slab 31
Muscle 32, wherein the pre-embedded steel slab 31 is arranged in the inside of the pier stud 20；Step S2：By the internal model 12 from the pier stud 20
Upper dismounting, then the mounting bracket 40 on the pre-embedded steel slab 31；Step S3：Prefabricated variable cross-section template 50 is mounted on the support
On frame 40；Step S4：Reinforcement construction is carried out to the pier stud 20, then carries out concreting；Step S5：It continues to lift up described outer
Mould 11, and casting concrete.
Hollow High Pier with Thin Wall stub top section construction technology, applies pier stud 20 using sliding form apparatus 10 described in the present embodiment
Work, wherein the sliding form apparatus 10 includes external mold 11 and the internal model 12 in the external mold 11, passes through 11 He of the external mold
It is promoted while internal model 12 and is constructed to the Hollow High Pier with Thin Wall column, in the step S1, when the sliding form apparatus 10 is slided
It when rising to the variable cross-section position of the pier stud 20, carries out built-in fitting 30 and constructs, since the pier stud 20 is in forming process, pass through
Behind variable cross-section position, the pier stud 20 is gradually converted to solid by hollow, therefore the built-in fitting 30 is provided with conducive to playing
Supporting role, wherein the built-in fitting 30 includes pre-embedded steel slab 31 and the embedded bar being fixed on the pre-embedded steel slab 31
32, wherein the pre-embedded steel slab 31 is arranged in the inside of the pier stud 20, to which the built-in fitting 30 is fixed on the pier stud
On 20；In the step S2, the internal model 12 is removed from the pier stud 20, to be conducive to the follow-up variable cross-section template
50 installation, then the mounting bracket 40 on the pre-embedded steel slab 31, support of the bracket 40 as the variable cross-section template 50；
In the step S3, prefabricated variable cross-section template 50 is mounted on the bracket 40；In the step S4, to the pier stud 20
Reinforcement construction is carried out, then carries out concreting, to form armored concrete；In the step S5, continue to lift up described outer
Mould 11, and casting concrete, to complete the construction to the pier stud, not only method is simple by the present invention, reduces labor intensity
And degree-of-difficulty factor, and in the construction process, concrete quality is convenient for control and adjustment, it is possible to prevente effectively from construction joint.
As shown in Figure 2 and Figure 6, the external mold 11 include the first hoisting frame 111, the first jack 112, first support bar with
And first hydraulic system, wherein first hoisting frame 111 is for connecting the external mold 11 and concrete, first jack
112 are located on first hoisting frame 111, and the first support bar passes through the through-core hole of first jack 112, for holding
By entire sliding formwork load, first jack 112 is connected with console, and first jack is controlled by the console
112 work, first jack 112 draw first hoisting frame 111 to drive 11 upward sliding of the external mold.Institute
It includes that the console, the first jack 112, oil pipe and other attachmentes composition, the console use to state the first hydraulic system
Grouping is in parallel main（Φ16）Branch（Φ8）High-pressure oil passage system is connected with first jack 112, forms the first hydraulic system.
The internal model 12 includes the second hoisting frame 121, the second jack 122, second support bar 123 and the second hydraulic pressure system
System, wherein second hoisting frame 121 is located at described for connecting the internal model 12 and concrete, second jack 122
On second hoisting frame 121, the second support bar 123 passes through the through-core hole of second jack 122, for bearing entire cunning
Mould load, second jack 22 are connected with the console, and second jack 122 is controlled by the console
Work, second jack 122 draw second hoisting frame 121 to drive 12 upward sliding of the internal model.Described
Two hydraulic systems include the console, the second jack 122, oil pipe and other attachmentes composition, and the console is using grouping
Parallel connection is main（Φ16）Branch（Φ8）High-pressure oil passage system is connected with second jack 112, forms the second hydraulic system.It is described
First hoisting frame 111 and second hoisting frame 121 are all made of F type hoisting frames.
As shown in Figure 4 and Figure 5, the top surface steel bar end of the embedded bar 32 is equipped with hook 321, and the hook 321 is set
It is equipped with conducive to the fixed pre-embedded steel slab 31, wherein the extending direction of the hook 321 and the main body of the embedded bar 32 are long
It is vertical to spend direction, to be conducive to the stress of the pre-embedded steel slab 31, enhances the fastness of the pre-embedded steel slab 31.Specifically,
2 embedded bars 32 are evenly arranged on the pre-embedded steel slab 31, wherein the body parallel setting of two embedded bars 32,
And the hook 321 is oppositely arranged, so as to further enhance the fastness of the pre-embedded steel slab 31, the embedded bar 32
For the U-shaped steel muscle of Φ 25,32 bottom surface of the embedded bar is welded with the pre-embedded steel slab 31, and welding form is welding by both sides.
When the built-in fitting 30 is constructed, the height of the pre-embedded steel slab 31 is controlled, setting-out goes out pre-buried point, will add
The good built-in fitting 30 of work is placed in the plane of the internal model 12, and the embedded bar 32 and the main reinforcement of the pier stud 20 are welded
It connects, casting concrete after the completion of fixing.After the completion of the built-in fitting construction, concreting is carried out, waits for that concrete strength reaches design
After required value, start to promote the sliding form apparatus, after being promoted to specified altitude assignment, the external mold is motionless, makes the internal model
Whole exhaust.The internal model is hoisted to ground, is removed on the ground to internal model.Specifically, when the sliding form apparatus 10
When the variable cross-section position of the internal model 12,50cm or so is reserved, stops concreting, proceeds by built-in fitting 30
Construction, 30 fixed form of the built-in fitting are to weld the main reinforcement of the embedded bar 32 and the pier stud 20, the pre-buried steel
Plate 31 is embedded on the inside of hollow pier, pre-buried four blocks of steel plates in a hollow pier, and two two symmetrical pre-buried, plate size 40*40cm are thick
Spend δ 3cm, reinforcing bar model Φ 25.By survey crew using the height of pre-embedded steel slab 31 described in Trigonometric Leveling when pre-buried
Degree is controlled, and is gone out pre-buried point with instrument setting-out, is marked line, it is flat that the built-in fitting 30 processed is placed the internal model 12
On face, the embedded bar 32 and the main reinforcement of the pier stud 20 are welded, and it is levelling that fixation procedure with horizon rule carries out top surface, uses
Steel ruler controls spacing, fixed to complete casting concrete.When the internal model 12 is removed, first by the second hydraulic pressure system of internal model 12
Again by 12 Integral lifting of the internal model to ground after the whole dismountings of system, second support bar 123, is welded and cut with wind by operating personnel
It cuts, rust preventing is carried out after the completion of cutting, used convenient for next time.
The variable cross-section template 50 by reinforcement welding at framework of steel reinforcement 51 constituted with plank sheathing 52, it is whole wedge shaped.Institute
It states variable cross-section template 50 to be completed in template processing district by operating personnel, it is contemplated that the internal model of the variable cross-section template 50 is not required to
It removes, therefore the internal model of the variable cross-section template 50 is selected in view of light-duty, low consumption, high-performance, while guaranteeing to bear
To the weight of concrete, the framework of steel reinforcement 51 is formed by 28 reinforcement weldings of Φ.Manufacturing process is in strict accordance with layout design size
Implement, reinforcement welding is secured, and weld seam is full, and welding slag is cleaned out.Template assembly is closely knit, without faulting of slab ends phenomenon, finally uses foam swollen
Swollen dose of filling filling-in.The variable cross-section template 50 is hoisted on the bracket 40, and the framework of steel reinforcement 51 is welded on the support
On frame 40, to which the variable cross-section template 50 is fixed on the bracket 40.When the bracket 40 is installed, 30 table of built-in fitting
Face laitance is cleaned out, with horizon rule control 40 top surface of the bracket level, between measuring each bracket 40 with steel ruler away from
From, it is portrayed and is marked on the pre-embedded steel slab 31 with marking pen or the line of ink marker, the bracket 40 and 31 elder generation of the pre-embedded steel slab
Spot welding connection is carried out, spot welding connection is completed carrying out full weld reinforcing.Wherein every piece of pre-embedded steel slab 31 welds 2 brackets 40,
And the bracket 40 is shelf bracket, a length of 40cm of shelf bracket right-angle side.
When the variable cross-section template 50 is installed, prefabricated variable cross-section template plate 50 is hoisted to by lifting appliance by construction
Position makes it be located on the bracket 40, and the framework of steel reinforcement 51 is welded to connect with the bracket 40, and template surface cleaning is dry
Only, brushing template oil enters next procedure after the completion.
The method that the pier stud carries out reinforcement construction is：After the binding of horizontal hoop reinforcing bar, then by lengthways main steel bar using rolling
Straight screw connection.Specifically, 20 reinforcement construction of the pier stud, horizontal hoop reinforcing bar binding, after Template Location has checked, you can
The lengthways main steel bar of the installation of progress reinforcing bar, diameter of phi 32mm and diameter of phi 25mm use thread rolling bar joints, remaining reinforcing bar to press
It is attached according to design requirement；Thread rolling bar joints, wherein branch sleeve preferably select No. 45 carbon constructional quality steels or through inspections
Satisfactory steel are tested, while having product certificate book.Splice position should mutually be staggered, and the spacing that is staggered should not be less than
35d, and it is not more than 500mm, fitting end reinforcing bar, which is bent up, a little cannot be less than 10d.Splice on same section must not exceed
The 50% of reinforcing bar sum.In addition, connector sleeve must check one by one, it is desirable that the pipe internal thread number of turns, screw pitch, tooth height etc. must be with cone lines
Verification feeler gauge is mutually engaged；Lossless broken, crooked, the incomplete, stripped thread of screw thread, mixed silk phenomenon, non-corroding at screw thread.The effective thread of silk head
Length is not less than 1/2 branch sleeve length, and allowable error is+2P.For binding connector, distance is not less than 1.3 between two connectors
Times lap of splice.For welding point, in joint length section（35d and be not less than 500mm）Interior, same root reinforcing bar must not have two
A connector.
The external mold 11, then casting concrete are continued to lift up, continuous construction is kept.Wherein concreting when, concrete
It is transported to scene using concrete tank, being promoted to working face by hoist engine by 1 cube of hopper puts in storage, due to the stream of concrete
Dynamic property is good, and the slump is controlled in 12cm~18cm.Personnel are by the cat ladder lower work face that is hung under scratch diskette.Sliding formwork is sliding to be wanted
Symmetrically and evenly blanking is asked, by mono- layer of progress of layering 30cm, is vibrated using poker vibrator, often converts direction of vibrating, and keep away
Exempt to collide supporting rod and template, vibrator is inserted into 50~100mm in lower-layer concrete, and when template sliding lifting stops vibrating.Sliding formwork carries
Rise, construction enter normally pour with it is sliding when, keep continuous construction, bottom 30cm concrete strengths to reach 0.2Mpa- as possible
0.4Mpa, and can guarantee its surface and corner angle are unlikely when being damaged because of template sliding lifting, sliding formwork climbs.Sliding formwork it is first sliding slow
It carries out, and in the process, to hydraulic device, formwork structure and related facility are made to check comprehensively, hair in load conditions
Existing problem timely processing can carry out normal sliding after all going well.Sliding formwork is normally sliding to be determined according to site operation situation,
Rational sliding speed controls sliding height 30cm, day sliding height control by normal sliding every minor tick 1.5 hours or so
In 3~5m or so.There is the case where special messenger checks jack during sliding, whether are the impression and stress on observation supporting rod
Normally, the levelness of sliding formwork center line and operating platform is checked.
After the external mold is promoted, makees magma in concrete surface and flatten or repair, if surfacing can not also modify,
Sparge pipe is set on bracket panel, while brushing curing agent carries out wet curing to demoulding concrete face.Specifically, in concrete surface
Finishing and maintenance make magma in concrete surface with trowel and flatten or repair, as surfacing can not also modify.To make to have taken off
Mould concrete surface has suitable curing condition, prevents crack, sparge pipe is set on bracket panel, brushing curing agent is to demoulding
Concrete surface carries out wet curing.
Obviously, the above embodiments are merely examples for clarifying the description, does not limit the embodiments.For
For those of ordinary skill in the art, other different form variations can also be made on the basis of the above description or are become
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It is dynamic still within the protection scope of the invention.
Claims (10)
1. a kind of Hollow High Pier with Thin Wall stub top section construction technology, constructs to pier stud using sliding form apparatus, wherein the cunning
Mold device includes external mold and the internal model in the external mold, which is characterized in that is included the following steps：
Step S1：When the variable cross-section position of the sliding form apparatus pier stud, built-in fitting construction is carried out, wherein described
Built-in fitting includes pre-embedded steel slab and the embedded bar that is fixed on the pre-embedded steel slab, wherein the pre-embedded steel slab is arranged in institute
State the inside of pier stud；
Step S2：The internal model is removed from the pier stud, then the mounting bracket on the pre-embedded steel slab；
Step S3：Prefabricated variable cross-section template is mounted on the bracket；
Step S4：Reinforcement construction is carried out to the pier stud, then carries out concreting；
Step S5：Continue to lift up the external mold, and casting concrete.
2. Hollow High Pier with Thin Wall stub top section construction technology according to claim 1, it is characterised in that：The embedded bar
Top surface steel bar end is equipped with hook, and the extending direction of the hook is vertical with the main body length direction of the embedded bar.
3. Hollow High Pier with Thin Wall stub top section construction technology according to claim 1, it is characterised in that：The built-in fitting construction
When, the height of the pre-embedded steel slab is controlled, setting-out goes out pre-buried point, and the built-in fitting processed is placed the internal model
In plane, the main reinforcement of the embedded bar and the pier stud is welded, casting concrete after the completion of fixing.
4. Hollow High Pier with Thin Wall stub top section construction technology according to claim 1, it is characterised in that：The built-in fitting construction
After the completion, concreting is carried out to start to promote the sliding form apparatus, carry after concrete strength reaches design requirement value
After rising to specified altitude assignment, the external mold is motionless, makes the internal model entirety exhaust.
5. Hollow High Pier with Thin Wall stub top section construction technology according to claim 4, it is characterised in that：The internal model is by handling
To ground, internal model is removed on the ground.
6. Hollow High Pier with Thin Wall stub top section construction technology according to claim 1, it is characterised in that：The variable cross-section template
By reinforcement welding at framework of steel reinforcement constituted with plank sheathing.
7. Hollow High Pier with Thin Wall stub top section construction technology according to claim 6, it is characterised in that：The variable cross-section template
It is hoisted on the bracket, and the framework of steel reinforcement is welded on the bracket.
8. Hollow High Pier with Thin Wall stub top section construction technology according to claim 1, it is characterised in that：The pier stud carries out steel
Muscle construction method be：After the binding of horizontal hoop reinforcing bar, then by lengthways main steel bar using thread rolling bar joints.
9. Hollow High Pier with Thin Wall stub top section construction technology according to claim 1, it is characterised in that：It continues to lift up described outer
Mould, then casting concrete keep continuous construction.
10. Hollow High Pier with Thin Wall stub top section construction technology according to claim 9, it is characterised in that：The external mold is promoted
Afterwards, make magma in concrete surface to flatten or repair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500487.8A CN108677722A (en) | 2018-05-23 | 2018-05-23 | Hollow High Pier with Thin Wall stub top section construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500487.8A CN108677722A (en) | 2018-05-23 | 2018-05-23 | Hollow High Pier with Thin Wall stub top section construction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108677722A true CN108677722A (en) | 2018-10-19 |
Family
ID=63808084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810500487.8A Pending CN108677722A (en) | 2018-05-23 | 2018-05-23 | Hollow High Pier with Thin Wall stub top section construction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108677722A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361004A (en) * | 2018-12-25 | 2020-07-03 | 比亚迪股份有限公司 | Manufacturing method of pier stud prefabricated part and pier |
| CN112757474A (en) * | 2020-12-30 | 2021-05-07 | 湖南中铁五新钢模有限责任公司 | Method for prefabricating hollow pier stud by integrally overturning inner mold, outer mold and reinforcement cage |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660296A (en) * | 2009-09-08 | 2010-03-03 | 中铁九局集团有限公司 | Method for casting concrete 0# block support by continuous beam cantilever |
| CN202401753U (en) * | 2011-12-01 | 2012-08-29 | 四川蓝弋科技有限公司 | Sliding die device |
| CN106120559A (en) * | 2016-06-14 | 2016-11-16 | 江苏燕宁建设工程有限公司 | A kind of bridge limited bracket construction method and bridge |
| CN205822014U (en) * | 2016-06-23 | 2016-12-21 | 中铁十二局集团第二工程有限公司 | A kind of Hollow High Pier pier top entity section template rigid frame |
| CN206486799U (en) * | 2017-02-10 | 2017-09-12 | 合肥市市政设计研究总院有限公司 | Movable gap bridge line holder |
| CN207295473U (en) * | 2017-08-23 | 2018-05-01 | 中铁二十二局集团有限公司 | A kind of Thin-wall Hollow Pier binds concrete support cover board |
| CN108019076A (en) * | 2017-12-28 | 2018-05-11 | 河南宏程工程建设有限责任公司 | Large-size rebar concrete silo construction method and the device for conical shell construction |
-
2018
- 2018-05-23 CN CN201810500487.8A patent/CN108677722A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660296A (en) * | 2009-09-08 | 2010-03-03 | 中铁九局集团有限公司 | Method for casting concrete 0# block support by continuous beam cantilever |
| CN202401753U (en) * | 2011-12-01 | 2012-08-29 | 四川蓝弋科技有限公司 | Sliding die device |
| CN106120559A (en) * | 2016-06-14 | 2016-11-16 | 江苏燕宁建设工程有限公司 | A kind of bridge limited bracket construction method and bridge |
| CN205822014U (en) * | 2016-06-23 | 2016-12-21 | 中铁十二局集团第二工程有限公司 | A kind of Hollow High Pier pier top entity section template rigid frame |
| CN206486799U (en) * | 2017-02-10 | 2017-09-12 | 合肥市市政设计研究总院有限公司 | Movable gap bridge line holder |
| CN207295473U (en) * | 2017-08-23 | 2018-05-01 | 中铁二十二局集团有限公司 | A kind of Thin-wall Hollow Pier binds concrete support cover board |
| CN108019076A (en) * | 2017-12-28 | 2018-05-11 | 河南宏程工程建设有限责任公司 | Large-size rebar concrete silo construction method and the device for conical shell construction |
Non-Patent Citations (4)
| Title |
|---|
| 刘哲: "高速铁路桥梁墩身滑模施工工艺", 《路桥工程》 * |
| 张晓明: "谢家崴子太子河特大桥高墩施工专项方案设计", 《城市建设理论研究》 * |
| 徐彬彬: "谈空心薄壁桥墩滑模施工工艺", 《中华民居》 * |
| 高非: "太子河空心高墩翻模施工工艺", 《价值工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361004A (en) * | 2018-12-25 | 2020-07-03 | 比亚迪股份有限公司 | Manufacturing method of pier stud prefabricated part and pier |
| CN112757474A (en) * | 2020-12-30 | 2021-05-07 | 湖南中铁五新钢模有限责任公司 | Method for prefabricating hollow pier stud by integrally overturning inner mold, outer mold and reinforcement cage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101781879B (en) | Construction method of single-pylon cable-stayed bridge without dorsal cables | |
| CN102877418B (en) | Stentless urban bridge anti-collision guardrail construction method and cradle vehicle and gun carrier thereof | |
| CN112854745A (en) | Construction process of assembled building aluminum alloy template | |
| CN108330835A (en) | The construction method of setting bracket | |
| CN108532466A (en) | A kind of bridge pier over-form construction technique | |
| CN101481902A (en) | V type pier inclined leg combined type support for continuous rigid frame bridge and layered cast-in-situ construction method | |
| CN110184950A (en) | The construction method of bridge former address reorganization and expansion new bridge under a kind of guarantor's gating condition | |
| CN107574762A (en) | A kind of construction method for strengthening Cast-in-situ Beam 0# block construction qualities | |
| CN105735063A (en) | Construction method for laying inspection pit rail through gluing method and rail hanging method based on rail erecting tool | |
| CN107905124B (en) | A kind of symmetrical expression rigid frame-continuous girder construction technology | |
| CN208280003U (en) | A kind of bridge pier over-form construction system | |
| CN101525873A (en) | Pier hydraulic leveling inner-climbing climbing form and concrete pouring method thereby | |
| CN103590603B (en) | Large span multi-curvature shell structure of reinforced concrete method | |
| CN108755421A (en) | Capping beam construction device and construction method | |
| CN110184941A (en) | A kind of bridge main tower construction method | |
| CN110184948A (en) | A kind of Bridge beam construction method | |
| CN113152262A (en) | Bridge single-column pier reinforcement construction method | |
| CN113202222A (en) | Construction method for assembled type superposed beam slab | |
| CN112211113A (en) | Cast-in-place construction method for large-span diamond-shaped bent cap of high pier | |
| CN113829493B (en) | Processing method of prefabricated greening retaining wall | |
| CN108677722A (en) | Hollow High Pier with Thin Wall stub top section construction technology | |
| CN101614039B (en) | Inverted construction method for template engineering of cast-in-place shear wall structure system | |
| CN103243912B (en) | Multilayer is without plate framework construction method | |
| CN103952979A (en) | Bracket-free construction device and construction method for steel-concrete superposed beam top plate | |
| CN109869153A (en) | The whole of rapid construction vertical shaft lining cutting promotes cantilever form device and construction method |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |
|
| RJ01 | Rejection of invention patent application after publication |