CN206070877U - A kind of ultra-high performance concrete permanent template of cylinder - Google Patents
A kind of ultra-high performance concrete permanent template of cylinder Download PDFInfo
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- CN206070877U CN206070877U CN201620816561.3U CN201620816561U CN206070877U CN 206070877 U CN206070877 U CN 206070877U CN 201620816561 U CN201620816561 U CN 201620816561U CN 206070877 U CN206070877 U CN 206070877U
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- performance concrete
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- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 239000002689 soil Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 2
- 239000004567 concrete Substances 0.000 abstract description 28
- 238000010276 construction Methods 0.000 description 11
- 239000010410 layer Substances 0.000 description 11
- 238000000465 moulding Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 5
- 238000009415 formwork Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 4
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- 238000005336 cracking Methods 0.000 description 2
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- 238000011161 development Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000009416 shuttering Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 235000011158 Prunus mume Nutrition 0.000 description 1
- 244000018795 Prunus mume Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002742 anti-folding effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
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- 239000011210 fiber-reinforced concrete Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
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Abstract
The utility model discloses a kind of ultra-high performance concrete permanent template of cylinder, including ultra-high performance concrete layer, the steel reinforcement cage being built in ultra-high performance concrete layer, the inwall of the ultra-high performance concrete layer is provided with least three sections rough grooves along its length, and each groove is circumferentially uniformly distributed along inwall；The depth of the groove is to be not less than 5mm.The groove of permanent template inner surface of the present utility model, improves cohesive force between permanent template and cast-in-place concrete, improves permanent template structural integrity and bearing capacity, in addition this utility model permanent template excellent durability.
Description
Technical field
This utility model belongs to building material technical field, the ultra-high performance concrete permanent mould of more particularly to a kind of cylinder
Plate.
Background technology
When concreting is carried out, need the concrete component of design shape is obtained using template.Traditionally adopt
With templates such as wooden model, punching block, aluminium alloy moulds, installation form, concrete before casting concrete, is needed to need to remove mould after reaching intensity
Plate.Form work engineering is the important component part of concrete structure construction, and long construction period is costly.
After World War II, it is to improve speed of application, develops permanent template, do not remove after template use, as the one of structure
Part uses.Permanent template is saved the duration, has been started progressively to be applied in all kinds of concrete workses due to its easy construction.
Not only there is the support molding function of meeting casting concrete, the member-retaining portion in building structure can be become again, both may participate in and built
Thing load-bearing is built, the stress performance and performance of structure can be improved again.According to the needs of building, permanent formwork can be with attached
With having the functions such as waterproof, insulation, heat-insulated, sound insulation, decoration, raising durability, the reduction number of turnover, accomplish one-shot forming, save
But the operation such as sand finish, levelling, secondary decoration, waterproof thermal-insulated process, surface layer fitting-up, thus work can be greatlyd save
Journey construction momentum and decoration, decoration cost.As permanent formwork does not need form removal, can save and a large amount of due to form removal and have bad luck
Time and expense spent by template, the duration is highly shortened, reduce construction costs, and reduce the labor intensity of workman.
External permanent template mainly has following several forms at present：（1）ICT heat insulation formworks, are assisted in american concrete
A new technique of lower positive application can be promoted, and defines " the new concrete structure residential body with technique as core
System ".（2）Without support shuttering, this is that one kind is exclusively used in steel composite construction to SRC structure constructions（SRC）That what is constructed is permanent
Template, due to being made by factory process now, production efficiency is high, and Product Precision is ensured, and without the need for supporting.（3）Prefabricated height
Strength mortar thin-walled template, is developed by Japanese Xi Song companies, and inner side is provided with shear connector and processing forms male and fomale(M＆F), and Jing is poured at scene
Build concrete, it is ensured that molding integrated member.（4）Concrete prefabricated column mould, it is high-strength to adapt to by the exploitation of Japanese great Lin groups company
Concrete requires and the concrete prefabricated column mould of research design that its molding mode has two kinds：Centrifugal casting and the inflow method of forming.
Since the nineties in 20th century, China's architectural structure system achieves huge development, with skyscraper and superelevation
A large amount of constructions of layer building, and large-scale capital construction, urban transportation and highway develop rapidly, the building of China
Construction technology makes great progress, the Building Trade in China also constantly template of Introduced From Abroad, scaffold system, and develops
All kinds of permanent new type formworks, main research have：（1）Using FRP（Fiber-reinforced polymer）As concrete works forever
The characteristics of long property template, fiberglass tensile strength and high shock resistance effectively compensate for concrete tensile strength it is low the characteristics of,
The rupture strength of beam can be increased substantially.（2）Steel-wire-net reinforced concrete thin plate template, is a kind of steel fiber reinforced concrete structure of broad sense
Part, intensity is high, Elastoplastic Performances in Simulation is high, and durability is high.（3）Ribbed shuttering steel --- concrete combined board, overcomes widely used
Profiled sheet as bed die and steel --- the deficiency of the version that concrete combination beam combines, dramatically improve
The ductility of component.
In recent years, with the development of ultra-high performance concrete, ultra-high performance concrete permanent template has also been carried out both at home and abroad
Research, wherein the RPC of more research.
2005, Beijing Jiaotong University's clock comprcssive strength of the prunus mume (sieb.) sieb.et zucc. based on RPC superelevation forever proposed activity powder
Last concrete permanent template, the compressive mechanical property of its component are superior, and construction technology has very big improvement, the tension of single member
Mechanical property in terms of anti-folding has been short of, and requires further improvement.
The mixing of steel fiber in ultra-high performance concrete, can effectively overcome High Strength Concrete Under Compressive Cyclic Loading intensity high and tension,
The defect of fracture resistance difference.Harbin Institute of Technology and Institutes Of Technology Of Changsha carried out the material of steel fibre high performance concrete
Experiments of Machanics, with higher Research Significance and future in engineering applications.
Ultra-high performance concrete permanent template molding at present mainly has two ways, centrifuging and casting method.
But during centrifugal forming ultra-high performance concrete permanent template, due to no coarse aggregate in ultra-high performance concrete
Stop, the larger steel fibre of density can concentrate the outer layer for being distributed in permanent template under the action of the centrifugal, or even cause steel fibre big
Amount is exposed to outer surface, and corrosion is so that the performance such as the resistance fragility of ultra-high performance concrete, toughness and durability is reduced.Together
When, the steel fibre of uneven distribution can cause the mechanical heterogeneity of ultra-high performance concrete component, outer layer permanent template to mix
Solidifying soil globality is destroyed, and increases the uncertain factor of element bearing capacity, affects related component strength design, while also dropping
The low ability of component shearing resistance and Bend.Above-mentioned these problems, use can the ultra-high performance concrete component of centrifugation
When safety, durability or even bearing capacity can not reach expected purpose, the safety of Structural Engineering is threatened.
During casting method molding, due to ultra-high performance concrete degree of compaction it is very high, the ultra-high performance concrete permanent template demoulding
Inner surface unusual light afterwards, during use, permanent template pours the imperfect bonding of wadding weft variation with after, can frequently result in bi-material
Collaborative work is unable to, cracking load is too low, it is impossible to give full play to the performance of material, occurs crack too early, cause durability to decline,
Especially under cyclic reverse loading, both each work even more serious, and mechanical property is substantially reduced.
Utility model content
The purpose of this utility model is the ultra-high performance concrete permanent template for providing a kind of cylinder, by solid in mould
Determine inner mould surface stickup block rubber, the permanent template inner surface of molding can be made fluted, so as to enhance permanent template and
Cohesive force between cast-in-place concrete.Permanent template form removal of the present utility model is convenient simultaneously.In addition this utility model is used
Device has the characteristics of can be recycled, and it is convenient to prepare, and cost is relatively low, remarkable in economical benefits, it is adaptable to which industrialization is given birth on a large scale
Produce.
This utility model in order to solve the technical scheme adopted by its technical problem is：
A kind of ultra-high performance concrete permanent template of cylinder, including ultra-high performance concrete layer, are built in very-high performance
Steel reinforcement cage in concrete layer, the inwall of the ultra-high performance concrete layer be provided with along its length at least three sections it is uneven
Groove, each groove is circumferentially uniformly distributed along inwall.
Further, the depth of the groove strengthens the bonding between permanent template and cast-in-place concrete to be not less than 5mm
Power.
Further, the ultra-high performance concrete layer has superhigh intensity and superelevation durability, and comprcssive strength exceedes
130MPa, charge value are less than 40C.
Further, the ultra-high performance concrete thickness degree is not less than 35mm.
Further, the steel reinforcement cage includes some stirrups, is uniformly arranged along permanent template length direction and connects each hoop
The longitudinal reinforcement of muscle.
Further, distance of the permanent template stirrup away from ultra-high performance concrete layer outer surface is not less than 10mm, and
Less than the 40% of wall thickness.
The beneficial effects of the utility model are：
First, after the ultra-high performance concrete permanent template molding of cylinder of the present utility model, inner surface is fluted, strengthens
Cohesive force between permanent template and cast-in-place concrete, further increases structural integrity, improves the overall mechanics of component
Performance.
2nd, permanent template of the present utility model adopts three pieces of arc plates, three little voussoirs and an intermediate support composition
Fixed internal model, be easier to remove internal model, it is to avoid the drawbacks of tearing open because of internal model difficulty that permanent template drying shrinkage causes, it is simple to operate,
Efficiently, not damaged structure.
3rd, this utility model adopts ultra-high performance concrete as works protective layer, excellent durability.
4th, this utility model equipment therefor has the characteristics of can be recycled, and device is assembled convenient, and cost is relatively low, economical
Remarkable benefit, it is adaptable to industrialized production.
Description of the drawings
Preparation method schematic diagrams of the Fig. 1 for this utility model embodiment.
Fig. 2 is fixed internal model cross-sectional view of the present utility model.
Fig. 3 is the ultra-high performance concrete permanent template schematic diagram of cylinder of the present utility model.
Wherein, 1：Little spline, 2：Arc plate, 3：Block rubber, 4：Intermediate support.
Specific embodiment
Specific embodiment of the present utility model is illustrated below by way of specific instantiation, those skilled in the art can be by
Content disclosed in the present specification understands advantage of the present utility model and effect easily.This utility model can also other differences
Mode be practiced, i.e., under the scope of not departing from disclosed in this utility model, can give different modifications with change.
Embodiment：
A kind of ultra-high performance concrete permanent template of cylinder, including ultra-high performance concrete layer, are built in very-high performance
Steel reinforcement cage in concrete layer, the inwall of the ultra-high performance concrete layer be provided with along its length at least three sections it is uneven
Groove, each groove is circumferentially uniformly distributed along inwall.The depth of the groove is to be not less than mm.
The present embodiment ultra-high performance concrete adopts RPC（RPC）, the ultra-high performance concrete of cylinder is forever
Template size is overall diameter 600mm, height 1500mm, thickness 50mm, its preparation method, including step (Fig. 1, Fig. 2) long：
1）According to the size of cylinder, the ratio of reinforcement and protective layer requirement, permanent template steel reinforcement cage is designed and makes；
2）The block rubber 3 of length 1500mm, width 30mm, thickness 5mm is pasted on into the center line of three pieces of arc plates 2 of internal model
On, every piece of block rubber 3 is uniformly distributed；
3）Assembling internal model, three pieces of arc plates 2 are inserted on bottom plate groove, with little spline 1 be inserted in two neighboring arc plate it
Between, little spline 1 is withstood with intermediate support 4；
4）Steel reinforcement cage, external mold are sequentially sleeved in outside internal model, and are fixed by top board and base plate, assemble permanent mould
Board mold；
5）RPC is prepared, the ultra-high performance concrete for mixing is pumped into or poured in mould；
7）After ultra-high performance concrete post permanent template RPC reaches strength of mould stripping, top board and base plate are removed；Remove and fix
Intermediate support 4 in internal model, removes three little voussoirs 1, then the arc plate 2 that three pieces are pasted with block rubber 3 is pulled down, and removes internal model
And external mold；
8）By permanent template steam curing 24 hours, temperature was 40 DEG C；Steam curing 72 hours under 85 DEG C of environment again；
6th, the high-strength maritime concrete of C50 is prepared, molding in permanent template is entered in cast in situs；
7th, mark and support 28 days.
In the present embodiment, the RPC surveys slump flow test 812mm, surveys comprcssive strength
163.4MPa。
Its core concrete observed strength 58.4MPa.
According to《Standard for test methods of concrete structures》（GB/T 50152-2012）Method of testing, its cracking load is
71.1MPa is to improve 13.9% than common process molding ultra-high performance concrete cylinder, and ultimate load is 87.3MPa than common
Technological forming ultra-high performance concrete permanent template cylinder improves 1.7%.Permanent template and core concrete cooperation, receive
Power is functional.
In sum, ultra-high performance concrete permanent template of cylinder of the present utility model and preparation method thereof, by interior
The rough groove on surface enhances the cohesive force between permanent template and cast-in-place concrete, and it is convenient to prepare, and cost is relatively low,
Remarkable in economical benefits, can meet the demand of large-scale industrial production.
Description above and embodiment are merely illustrative principle of the present utility model and its effect, are not to this reality
With new restriction.Any creation fallen in this utility model right comes under the model protected by this utility model
Enclose.
Claims (6)
1. the ultra-high performance concrete permanent template of a kind of cylinder, it is characterised in that：Including ultra-high performance concrete layer, it is built in
Steel reinforcement cage in ultra-high performance concrete layer, the inwall of the ultra-high performance concrete layer are provided with least three sections along its length
Rough groove, each groove are circumferentially uniformly distributed along inwall.
2. the ultra-high performance concrete permanent template of cylinder according to claim 1, it is characterised in that：The depth of the groove
It is not less than 5mm.
3. the ultra-high performance concrete permanent template of cylinder according to claim 1, it is characterised in that：The very-high performance is mixed
Solidifying soil layer has superhigh intensity and superelevation durability, and comprcssive strength is less than 40C more than 130MPa, charge value.
4. the ultra-high performance concrete permanent template of cylinder according to claim 1, it is characterised in that：The very-high performance is mixed
Solidifying soil thickness is not less than 35mm.
5. the ultra-high performance concrete permanent template of cylinder according to claim 1, it is characterised in that：Described steel reinforcement cage bag
Include some stirrups, the longitudinal reinforcement of each stirrup is uniformly arranged and connected along permanent template length direction.
6. the ultra-high performance concrete permanent template of cylinder according to claim 1, it is characterised in that：The permanent template hoop
Distance of the muscle away from ultra-high performance concrete layer outer surface is not less than 10mm, and less than the 40% of wall thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816561.3U CN206070877U (en) | 2016-07-29 | 2016-07-29 | A kind of ultra-high performance concrete permanent template of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620816561.3U CN206070877U (en) | 2016-07-29 | 2016-07-29 | A kind of ultra-high performance concrete permanent template of cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN206070877U true CN206070877U (en) | 2017-04-05 |
Family
ID=58426291
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620816561.3U Expired - Fee Related CN206070877U (en) | 2016-07-29 | 2016-07-29 | A kind of ultra-high performance concrete permanent template of cylinder |
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| Country | Link |
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| CN (1) | CN206070877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049759A (en) * | 2016-07-29 | 2016-10-26 | 华南理工大学 | Cylindrical ultra-high performance concrete permanent formwork and preparation method thereof |
| CN108590164A (en) * | 2018-05-07 | 2018-09-28 | 中国矿业大学 | A kind of TRC is collapsible can assembled permanent formwork and preparation method thereof |
-
2016
- 2016-07-29 CN CN201620816561.3U patent/CN206070877U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049759A (en) * | 2016-07-29 | 2016-10-26 | 华南理工大学 | Cylindrical ultra-high performance concrete permanent formwork and preparation method thereof |
| CN108590164A (en) * | 2018-05-07 | 2018-09-28 | 中国矿业大学 | A kind of TRC is collapsible can assembled permanent formwork and preparation method thereof |
| CN108590164B (en) * | 2018-05-07 | 2019-10-15 | 中国矿业大学 | A kind of TRC is collapsible can assembled permanent formwork and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 |