CN106760502A - Shear wall end cylinder construction method - Google Patents
Shear wall end cylinder construction method Download PDFInfo
- Publication number
- CN106760502A CN106760502A CN201611000261.9A CN201611000261A CN106760502A CN 106760502 A CN106760502 A CN 106760502A CN 201611000261 A CN201611000261 A CN 201611000261A CN 106760502 A CN106760502 A CN 106760502A
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- China
- Prior art keywords
- template
- bellows
- concrete
- shear wall
- cylinder
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
- E04G13/021—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor for circular columns
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a kind of shear wall end cylinder construction method, in the cylindrical structure of shear wall end, using diameter identical bellows as template, its inner wall smooth, intensity are high, lightweight, outer wall is presented ring wave structure, the annular stiffness of tubing is increased, and is unlikely to deform.Bellows reserves shear wall horizontal bar position on tube wall before installing using electric drill punching, and template spelling inserts shear wall horizontal bar, reduces piece before installing post-reinforcing, improves the Forming Quality after concrete form removal.The lumps of wood being filled at the bellows back side and being fixed with iron hoop, tie adds the combination of screw, template to be integrally connected with full hall scaffold using steel pipe using 5mm thickness 50mm galvanized iron hoops wide, meets construction stability requirement.After cylinder concrete placings complete to meet form removal condition, bellows is removed, carry out the construction of shear wall between cylinder using common wooden model construction technology afterwards.
Description
Technical field
The invention belongs to building field, specifically a kind of different in nature concrete structure shear wall end cylinder construction method.
Background technology
With national economy, the development of culture, existing engineering construction structure type can not meet requirement, increasingly
Many concrete profiled structures are designed, in construction application, especially great commemorative architecture, wherein cylinder are mutually tied with shear wall
The situation of conjunction is increasingly common.Traditional cast-in-place concrete column-form is installed and uses conventional material（Wooden sizing circle mould）With apply
Work technique can not meet the requirement such as construction quality, duration and cost.
The content of the invention
The present invention for solve traditional cast-in-place concrete column-form branch and construction technology at present can not meet construction quality,
Duration and cost etc. require, there is provided a kind of new shear wall end cylinder construction method.
The present invention adopts the following technical scheme that realization：
A kind of shear wall end cylinder construction method, comprises the following steps：
The first step：Cylinder framework of steel reinforcement is made, and plastic cushion is selected according to design protection thickness degree and pillar cage bar diameter, with
Control cover to reinforcement, and can matched moulds after it meets the requirements checking；
Second step：Model sheetinstallat
（1）, model sheetinstallat when, bellows template is inserted in steel reinforcement cage, outside is fixed using cuff, wherein first step pitch ground
No more than 200mm；Lumps of wood keel are put between cuff and bellows；During bellows model sheetinstallat sponge is pasted in seam crossing
Bar；Bellows template uses preceding, its inner side brush releasing agent；
（2）, according to shear wall horizontal bar spacing, quantity, the perforate on ripple tube wall；
（3）, cuff outside steel pipe set up the reinforcing of intersecting parallels cylinder positioning supporting frame, bellows template is integrally using steel pipe and full
Hall scaffold is connected；
3rd step：Casting concrete
（1）, by slump control in 140 ~ 160mm, to ensure its plasticity stabilization；
（2）, concreting：After every pillar pours 1/2 height by structure, other pillars are poured, treat the post concrete settlement
After stabilization, it is further continued for pouring its top；Concreting in lifts, every layer pours height 500mm；500mm is spaced on vibrating spear
Colored stickers are twined, to control concreting highly, leakage is shaken and cross to shake is prevented；
（3）Concrete curing：After cylinder concrete form removal, plastic sheeting is wrapped up in post exterior side, make pillar in film inner sealing
Maintenance, prevents concrete from producing tiny contraction crack because dehydration is too fast；
4th step：Form removable
（1）, strict implement form removal examination and approval system；Striking time and form removal are determined by on-site concrete hardenability sequentially, with
Ensure the surface smoothness of concrete；
（2）, template disassembly sequence should be opposite with erection sequence；First bellows template is cut and controlled with angle grinder during form removal
Depth of cut, must not encounter concrete surface, template is pried away from into pillar afterwards, then overall pulling down.
In the cylindrical structure of shear wall end, bellows template adopts PVC-U type double-wall corrugated pipes, and PVC-U types are double-wall corrugated
Pipe is that, with the hollow special tubes of inner wall smooth that polyvinyl chloride is main Raw material processing, outer wall ripple, inside and outside wall, have
Light weight, resistance to compression, tensile capacity strong, inner wall smooth and the advantages of be easily installed.In some cases, when cast-in-place concrete cylinder mold
Plate is installed and uses conventional material（Wooden sizing circle mould）When can not meet construction quality, duration, cost etc. with construction technology and requiring,
Template is done using PVC-U type double-wall corrugated pipes, by template Force Calculation, while engineering construction requirement is met, is being shortened
Duration, the aspect of reduces cost two have remarkable result.
The inventive method has the beneficial effect that：
1st, template is done using PVC-U type double-wall corrugated pipes in the present invention, because bellows is lightweight, is filled using whole sleeve type
Match somebody with somebody, in carrying out formwork erection, demolishing process using manually can completion, without using mechanical engagement（Or only need less matching somebody with somebody
Close）, accelerate construction speed；The more wooden sizing circle mould of the material source of bellows is more extensive simultaneously, not by the process-cycle, supplies
The influence of the factors such as goods, and cost is only the 1/3 of wooden sizing circle mould, also has very big guarantee effect to the engineering construction duration,
Achieve obvious technique effect and economic benefit.
2nd, the concrete circular mast axis of the method cast are logical straight, and size is accurate, and outward appearance is closely knit, and color is uniform, flatness and
Finish is above the regulation of national acceptance specification, has reached the standard of common clear-water concrete.Thus, post exterior rendering is eliminated
Layer working procedure, shortens the duration, and save labour cost and fee of material.
Brief description of the drawings
Fig. 1 represents shear wall end cylinder system floor map.
In figure：1- bellows templates, 2- shear walls, 3- posts, 4- screws, 5- cylinders positioning supporting frame, 6- flitches keel, 7-
Cylinder framework of steel reinforcement, 8- cuffs.
Specific embodiment
Specific embodiment of the invention is described in detail below.
In the cylindrical structure of shear wall end, as shown in figure 1, body diameter 500mm, is made using diameter identical bellows
It is template, bellows template internal diameter 500mm, its inner wall smooth, intensity are high, lightweight, outer wall is presented ring wave structure, increase
The annular stiffness of tubing, and be unlikely to deform.Bellows reserves shear wall on tube wall before installing using electric drill punching（Thickness
200mm）Horizontal bar position, template spelling inserts shear wall horizontal bar before installing post-reinforcing, reduces piece, improves concrete and tears open
Forming Quality after mould.The lumps of wood being filled at the bellows back side and being fixed with iron hoop, template integrally uses steel pipe and full hall scaffold
It is connected, meets construction stability requirement.After cylinder concrete placings complete to meet form removal condition, bellows is removed, adopted afterwards
The construction of shear wall between carrying out cylinder with common wooden model construction technology.
Shear wall end cylinder construction method is specific as follows：
The first step：Steel bar meter is installed
（1）, make cylinder framework of steel reinforcement stirrup when, 1 is carried out on operating desk:1 setting-out, strictly controls its circular arc degree and interior through inclined
Difference, it is ensured that the size of cylinder framework of steel reinforcement.
（2）, during assembling reinforcement and casting concrete, be that strict control column cage bar is not moved, preceding elder generation is poured every time
Reinforcement location is proofreaded, then spot welding groined type reinforcing bar, fixed column top joint bar.Send special messenger to nurse during casting concrete, prevent steel
Muscle displacement.
（3）, plastic cushion selected according to design protection thickness degree and pillar cage bar diameter, in cylinder four direction by vertical
Spacing 0.5m is set, to control cover to reinforcement, and can matched moulds after it meets the requirements checking.So can effectively prevent stirrup
It is attached in template, the problem for causing stirrup after form removal to expose.
Second step：Shuttering supporting
（1）Template blanking makes.
1. according to shear wall horizontal bar spacing, quantity, electricity consumption is drilled in perforate on ripple tube wall.
2. in order to ensure cylindrical structure apparent size, cuff is processed into using 5mm thickness 50mm zinc-plated band irons wide, in joint
Band iron is dug at position, and burns the screw holes of Ф 12 with electric welding machine, configures set of screw and nut.Used in bellows template
Before, its inner side brush YH-3 type releasing agents.Circular galvanized iron hoop is reinforced, first artificial that screw is passed through into iron hoop hole, in nut sleeve, so
Afterwards with spanner progressively clamp nut, so as to reach the effect of the circular iron hoop of fastening.In nut reinforcing process, bottom nut can be used
Double nut is reinforced, and is used to ensure the stability that circular columns are overall.Iron hoop contracted position should stagger setting up and down, it is to avoid same
On one vertical plane.In circular iron hoop reinforcing process, can progressively carry out, i.e., reinforcing every time only carries out less fastening, carries out successively,
Avoid an iron hoop from once reinforcing in place, so easily produce deviation, and cannot correct.
（2）Model sheetinstallat
1. as requested, control line is ejected on ground, to ensure that formwork erection position is correct and corrects.
2. before formwork erection, the debris of post root position are cleaned out, can be rinsed with water if necessary.
3. during model sheetinstallat, bellows is inserted in cylindrical steel muscle cage, outside is using circular iron hoop, circular iron hoop spacing
500mm, wherein first step pitch ground is not more than 200mm, to tighten nut in the way of connect.In order to prevent seam crossing spillage,
During model sheetinstallat sponge strip is pasted in seam crossing.
4. lumps of wood keel are put in cuff（40mm*80mm）.Well cabinet frame is set up using four steel pipes and added in template system outside
Gu, steel pipe must be with integral mold plate steel tube frame drawknot, it is ensured that template integrally unshifts.
5. cylinder will splice tightly with the template at beam splice, vertically be fixed in beam-ends flitch, during casting concrete,
Ripple inside pipe wall is lining in the galvanized iron sheet of thickness 0.5mm at column beam joint, is extracted out in face of receipts after concreting, to ensure to mix
It is bright and clean smooth that solidifying soil surface connects stranding.
3rd step：Casting concrete
（1）Optimised coagulation soil match ratio, controls slump.By slump control in 140 ~ 160mm, to ensure its plasticity
Stabilization.
（2）Concreting：After every pillar pours 1/2 height by structure, other pillars are poured, treat that the post concrete sinks
After drop stabilization about 1h, it is further continued for pouring its top.Concreting in lifts, every layer pours height 500mm；It is spaced on vibrating spear
500mm twines colored stickers, to control concreting highly, prevents leakage is shaken and cross to shake.In concreting process, note pouring
The speed built should be carried out slowly, in use, should because pouring too fast and unstability, concrete vibration stick to prevent template
Avoid direct contact with bellows.
（3）Concrete curing：After cylinder concrete form removal, plastic sheeting is wrapped up in post exterior side.One circle pressure one is enclosed the land and is twined
Around, and bonded with adhesive tape in seam crossing, pillar is conserved in film inner sealing, prevent concrete from being produced because dehydration is too fast
Tiny contraction crack.
4th step：Form removable
（1）Strict implement form removal examination and approval system.Striking time and form removal are determined by on-site concrete hardenability sequentially, with
Ensure the surface smoothness of concrete.
（2）Template disassembly sequence should be opposite with erection sequence.First bellows is cut and controlled with angle grinder during form removal
Depth of cut, must not encounter concrete surface, template gently is pried away from into pillar afterwards, then overall pulling down, forbid directly to use crowbar
Extruding.
（3）Should be cleared up in time after form removable, nut is supporting with screw first-class, it is unsuitable separated, it is to avoid to be turned in week
Lost in journey.
It should be noted last that, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although ginseng
It has been described in detail according to the embodiment of the present invention, it will be understood by those within the art that, to technical scheme
Modify or equivalent, without departure from the spirit and scope of technical scheme, it all should cover claim
In protection domain.
Claims (2)
1. a kind of shear wall end cylinder construction method, it is characterised in that：Comprise the following steps：
The first step：Make cylinder framework of steel reinforcement（7）, and plastic mattress is selected according to design protection thickness degree and pillar cage bar diameter
Block, to control cover to reinforcement, and can matched moulds after it meets the requirements checking；
Second step：Model sheetinstallat
（1）, model sheetinstallat when, by bellows template（1）Steel reinforcement cage is inserted in, outside uses cuff（8）It is fixed, wherein first
Step pitch ground is not more than 200mm；In cuff（8）And bellows（1）Between put lumps of wood keel（6）；Bellows template（1）During installation
Sponge strip is pasted in seam crossing；Bellows template（1）Use preceding, its inner side brush releasing agent；
（2）, according to shear wall horizontal bar spacing, quantity, the perforate on ripple tube wall；
（3）, cuff（8）Outside steel pipe sets up intersecting parallels cylinder positioning supporting frame（5）Reinforce, bellows template integrally uses steel
Pipe is connected with full hall scaffold；
3rd step：Casting concrete
（1）, by slump control in 140 ~ 160mm, to ensure its plasticity stabilization；
（2）, concreting：After every pillar pours 1/2 height by structure, other pillars are poured, treat the post concrete settlement
After stabilization, it is further continued for pouring its top；Concreting in lifts, every layer pours height 500mm；500mm is spaced on vibrating spear
Colored stickers are twined, to control concreting highly, leakage is shaken and cross to shake is prevented；
（3）Concrete curing：After cylinder concrete form removal, plastic sheeting is wrapped up in post exterior side, make pillar in film inner sealing
Maintenance, prevents concrete from producing tiny contraction crack because dehydration is too fast；
4th step：Form removable
（1）, strict implement form removal examination and approval system；Striking time and form removal are determined by on-site concrete hardenability sequentially, with
Ensure the surface smoothness of concrete；
（2）, template disassembly sequence should be opposite with erection sequence；First bellows template is cut and controlled with angle grinder during form removal
Depth of cut, must not encounter concrete surface, template is pried away from into pillar afterwards, then overall pulling down.
2. shear wall end cylinder construction method according to claim 1, it is characterised in that：The bellows template（1）
Using PVC-U type double-wall corrugated pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000261.9A CN106760502A (en) | 2016-11-14 | 2016-11-14 | Shear wall end cylinder construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000261.9A CN106760502A (en) | 2016-11-14 | 2016-11-14 | Shear wall end cylinder construction method |
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| Publication Number | Publication Date |
|---|---|
| CN106760502A true CN106760502A (en) | 2017-05-31 |
Family
ID=58973551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611000261.9A Pending CN106760502A (en) | 2016-11-14 | 2016-11-14 | Shear wall end cylinder construction method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106760502A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675879A (en) * | 2017-11-21 | 2018-02-09 | 成都市绿洲节水灌溉工程有限公司 | A kind of landscape post former fixed by neck |
| CN107740539A (en) * | 2017-09-21 | 2018-02-27 | 华侨大学 | A kind of rectangular profile corrugated steel concrete combination column |
| CN107829558A (en) * | 2017-11-21 | 2018-03-23 | 成都市绿洲节水灌溉工程有限公司 | A kind of landscape post pouring molding device |
| CN109779246A (en) * | 2019-01-29 | 2019-05-21 | 中国五冶集团有限公司 | Reinforced Concrete Circular Cylinder template construct method |
| CN109877945A (en) * | 2019-01-23 | 2019-06-14 | 南昌大学 | A kind of pore-forming positioning construction method of beams of concrete reserving hole channel |
| CN113279394A (en) * | 2020-12-30 | 2021-08-20 | 中国五冶集团有限公司 | Cylinder formwork-free pouring concrete structure and method |
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| US20020170264A1 (en) * | 2000-01-12 | 2002-11-21 | Nandor Koszo | Architectural column and method and apparatus for production |
| CN201762991U (en) * | 2010-07-21 | 2011-03-16 | 中建一局集团第五建筑有限公司 | Corrugated pipe cylinder formwork |
| CN103089005A (en) * | 2013-03-08 | 2013-05-08 | 中天建设集团有限公司 | Simple mold for pouring concrete column on spot in construction |
| CN103603495A (en) * | 2013-11-07 | 2014-02-26 | 中煤建筑安装工程集团有限公司 | Cylinder construction method |
| CN103726649A (en) * | 2014-01-10 | 2014-04-16 | 中建四局第六建筑工程有限公司淮南分公司 | Method for manufacturing concrete cylindrical template |
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2016
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| US20020170264A1 (en) * | 2000-01-12 | 2002-11-21 | Nandor Koszo | Architectural column and method and apparatus for production |
| CN201762991U (en) * | 2010-07-21 | 2011-03-16 | 中建一局集团第五建筑有限公司 | Corrugated pipe cylinder formwork |
| CN103089005A (en) * | 2013-03-08 | 2013-05-08 | 中天建设集团有限公司 | Simple mold for pouring concrete column on spot in construction |
| CN103603495A (en) * | 2013-11-07 | 2014-02-26 | 中煤建筑安装工程集团有限公司 | Cylinder construction method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740539A (en) * | 2017-09-21 | 2018-02-27 | 华侨大学 | A kind of rectangular profile corrugated steel concrete combination column |
| CN107675879A (en) * | 2017-11-21 | 2018-02-09 | 成都市绿洲节水灌溉工程有限公司 | A kind of landscape post former fixed by neck |
| CN107829558A (en) * | 2017-11-21 | 2018-03-23 | 成都市绿洲节水灌溉工程有限公司 | A kind of landscape post pouring molding device |
| CN109877945A (en) * | 2019-01-23 | 2019-06-14 | 南昌大学 | A kind of pore-forming positioning construction method of beams of concrete reserving hole channel |
| CN109779246A (en) * | 2019-01-29 | 2019-05-21 | 中国五冶集团有限公司 | Reinforced Concrete Circular Cylinder template construct method |
| CN113279394A (en) * | 2020-12-30 | 2021-08-20 | 中国五冶集团有限公司 | Cylinder formwork-free pouring concrete structure and method |
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Application publication date: 20170531 |