CN205990762U - A kind of cylinder ultra-high performance concrete permanent template - Google Patents
A kind of cylinder ultra-high performance concrete permanent template Download PDFInfo
- Publication number
- CN205990762U CN205990762U CN201620814648.7U CN201620814648U CN205990762U CN 205990762 U CN205990762 U CN 205990762U CN 201620814648 U CN201620814648 U CN 201620814648U CN 205990762 U CN205990762 U CN 205990762U
- Authority
- CN
- China
- Prior art keywords
- high performance
- performance concrete
- ultra
- permanent template
- cylinder
- 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.)
- Expired - Fee Related
Links
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 60
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 230000002787 reinforcement Effects 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims description 12
- 239000002689 soil Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 239000004574 high-performance concrete Substances 0.000 claims description 2
- 230000015271 coagulation Effects 0.000 claims 3
- 238000005345 coagulation Methods 0.000 claims 3
- 239000000835 fiber Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 27
- 239000010410 layer Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 7
- 238000009415 formwork Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011372 high-strength concrete Substances 0.000 description 2
- 230000006872 improvement Effects 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 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
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The utility model discloses a kind of cylinder ultra-high performance concrete permanent template, including ultra-high performance concrete layer, the steel reinforcement cage being built in ultra-high performance concrete layer and the steel wire being fixed on steel reinforcement cage outer surface.This utility model efficiently solves the problems, such as during permanent template centrifugal forming that steel fibre exposes it is adaptable to industrialized production, and excellent in te pins of durability.
Description
Technical field
This utility model belongs to building material field and in particular to a kind of cylinder ultra-high performance concrete permanent template.
Technical background
When carrying out concreting, need to obtain the concrete component of design shape using template.Traditionally all adopt
With templates such as wooden model, punching block, aluminium alloy moulds, before casting concrete, need installation form, concrete needs after reaching intensity to remove mould
Plate.Form work engineering is the important component part of concrete structure construction, long construction period, costly.
After World War II, for improving speed of application, develop permanent template, template is not removed, as the one of structure after using
Part uses.Permanent template, due to its easy construction, is saved the duration, has been started progressively to be applied in all kinds of concrete workses.
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 build
Build thing load-bearing, stress performance and the serviceability of structure can be improved again.According to the needs of building, permanent formwork can also be attached
Band has waterproof, insulation, heat-insulated, sound insulation, decoration, improves durability, reduces the function such as number of turnover, accomplishes one-shot forming, saves
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.Because permanent formwork does not need form removal, can save a large amount of due to form removal with have bad luck
Time spent by template and expense, highly shortened the duration, reduce construction costs, and reduce the labor intensity of workman.
Permanent template external at present mainly has following several form：（1）ICT heat insulation formwork, is in american concrete association
A new technique of lower positive application can be promoted, and define " the new concrete structure residential body with technique as core
System ".（2）SRC structure construction no support shuttering, this is that one kind is exclusively used in steel composite construction（SRC）That constructs is permanent
Template, due to being made by factory process now, production efficiency is high, and Product Precision is ensured, and need not support.（3）Prefabricated height
Strength mortar thin-walled template, is developed by Japanese Xi Song company, inner side is provided with shear connector and processes formation male and fomale(M＆F), pours through scene
Build concrete it is ensured that molding integrated member.（4）Concrete prefabricated column mould, high-strength for adapting to by the exploitation of Japanese great Lin group company
Concrete requires and the concrete prefabricated column mould of research design, and 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 the developing rapidly of large-scale capital construction, urban transportation and highway, 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 has：（1）Using FRP（Fiber-reinforced polymer）As concrete works forever
The high feature of property template long, fiberglass tensile strength and shock resistance effectively compensate for the low feature of concrete tensile strength,
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 compoboard, overcomes widely used
The deficiency of version that combines with steel-concrete combination beam as bed die of profiled sheet, dramatically improve
The ductility of component.
In recent years, with the development of ultra-high performance concrete, also carried out ultra-high performance concrete permanent template both at home and abroad
Research, the RPC of wherein more research.
2005, Beijing Jiaotong University's clock comprcssive strength based on RPC superelevation for the prunus mume (sieb.) sieb.et zucc. forever, activity powder is proposed
Last concrete permanent template, the compressive mechanical property of its component is superior, and construction technology has very big improvement, the tension of single member
The mechanical property of anti-folding aspect has been short of, and requires further improvement.
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 all carried out the material of steel fibre high performance concrete
Experiments of Machanics, have 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, there is no coarse aggregate due in ultra-high performance concrete
Stop, the larger steel fibre of density can concentrate the outer layer being distributed in permanent template under the action of the centrifugal, or even causes 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 reduces.With
When, the steel fibre of uneven distribution can lead to the mechanical heterogeneity of ultra-high performance concrete component, and outer layer permanent template mixes
Solidifying soil globality is destroyed, and increases the uncertain factor of element bearing capacity, the related component strength design of impact, also drops simultaneously
The low ability of component shearing resistance and Bend.These problems above-mentioned, can make the ultra-high performance concrete component of centrifugation use
When safety, durability or even bearing capacity can not reach expected purpose, the safety of Structural Engineering is threatened.
During casting method molding, because ultra-high performance concrete degree of compaction is very high, the ultra-high performance concrete permanent template demoulding
Inner surface unusual light afterwards, during use permanent template with after pour the imperfect bonding of wadding weft variation, can frequently result in bi-material
It is unable to collaborative work, cracking load is too low crack too early it is impossible to give full play to the performance of material, cause durability to decline,
Especially under cyclic reverse loading, both each work even more serious, and mechanical property substantially reduces.
Utility model content
The purpose of this utility model is to provide a kind of cylinder ultra-high performance concrete permanent template, using 1.0cm ×
The steel wire in 1.0cm to 2.0cm × 2.0cm aperture intercepts to the steel fibre of centrifugation, makes steel fibre when centrifugation is thrown outward
Wait and be obstructed and reduce the outer quantity thrown to cylindrical outer surface of centrifugation it is ensured that steel fibre can give full play to its resistance and split, provide toughness with
The effect of ductility, makes the advantage of cylinder ultra-high performance concrete permanent template prefabricated components effectively be played.
For achieving the above object, this utility model adopts the following technical scheme that：
A kind of cylinder ultra-high performance concrete permanent template it is characterised in that：Including ultra-high performance concrete layer, it is built in
Steel reinforcement cage in ultra-high performance concrete layer and the steel wire being fixed on steel reinforcement cage outer surface.
Further, described ultra-high performance concrete layer is by centrifugal forming, and the rough inner surface of permanent template after molding can
To strengthen the globality between cylinder ultra-high performance concrete permanent template and rear pouring concrete.
Further, described ultra-high performance concrete layer has superhigh intensity and superelevation durability, and comprcssive strength exceedes
130MPa, charge value is less than 40C.
Further, described ultra-high performance concrete thickness degree is less than the 1/20 of body diameter, and is not less than 30mm.
Further, described steel reinforcement cage includes some stirrups, is uniformly arranged along permanent template length direction and connects each
The longitudinal reinforcement of stirrup.
Further, the distance away from ultra-high performance concrete layer outer surface for the described permanent template stirrup is not less than 10mm, and
Less than wall thickness 40%.
Further, described steel wire uses the steel wire in 1.0cm × 1.0cm to 2.0cm × 2.0cm aperture, uses
Steel wire and steel reinforcement cage are linked together by the mode of welding or bind.Steel wire be fixed on outside steel reinforcement cage it is ensured that
When slip casting and centrifugal forming, steel wire not will not be deformed by concrete extrusion due to its rigidity, can effectively reduce in mix
The uneven distribution of steel fibre.
Cylinder ultra-high performance concrete permanent template that this utility model provides and preparation method thereof, with respect to prior art
Have the advantage that：
1st, design arrangement steel wire in the cylinder ultra-high performance concrete permanent template of prefabricated by centrifugal process molding, effectively keeps away
Exempt to be centrifuged the steel fibre leading to and concentrate on the component durability that external surface of structural member in turn results in and decline.
2nd, design arrangement steel wire in the cylinder ultra-high performance concrete permanent template of prefabricated by centrifugal process molding, effectively keeps away
Exempt to be centrifuged the steel fibre that may lead to and concentrate on external surface of structural member and then, effective bending resistance uneven in the material causing, shearing resistance cuts
Face reduces, and leads to shear resistance, and the decline of Bend ability, so that steel fibre plays one's part to the full, improves cylinder superelevation
Performance concrete permanent template overall performance.
3rd, centrifuging forming cylinder ultra-high performance concrete permanent template component, gained cylinder ultra-high performance concrete are realized
Permanent template inner surface of component has certain roughness, can improve itself and rear pouring concrete cohesive force, increases structural integrity.
4th, adopt centrifuging molding, internal model need not be removed, Making programme is simple.
Brief description
Fig. 1 is the cross-sectional view of cylinder ultra-high performance concrete permanent template.
In figure, 1 is steel wire, and 2 is steel reinforcement cage, and 3 is ultra-high performance concrete layer.
Specific embodiment
With specific embodiment, the purpose of this utility model is described in further detail below in conjunction with the accompanying drawings, but this practicality
New embodiment is not limited only to following embodiment.
Embodiment
As shown in figure 1, a kind of cylinder ultra-high performance concrete permanent template, including ultra-high performance concrete layer 3, it is built in
Steel reinforcement cage 2 in ultra-high performance concrete layer 3 and the steel wire 1 being fixed on steel reinforcement cage 2 outer surface.
Described ultra-high performance concrete layer by centrifugal forming, the rough inner surface of permanent template after molding.Described superelevation
Can have superhigh intensity and superelevation durability by concrete layer, comprcssive strength is less than 40C more than 130MPa, charge value.
Described cylinder ultra-high performance concrete permanent template it is characterised in that：Described ultra-high performance concrete thickness degree is
Less than the 1/20 of body diameter, and it is not less than 30mm.
Described steel reinforcement cage 2 includes some stirrups, is uniformly arranged along permanent template length direction and connects the vertical of each stirrup
To reinforcing bar.
Described steel wire uses the steel wire in 1.0cm × 1.0cm to 2.0cm × 2.0cm aperture, with welding or bind
Mode steel wire and steel reinforcement cage are linked together.
The present embodiment additionally provides a kind of preparation method of cylinder ultra-high performance concrete permanent template, and implementation step is such as
Under：
1st, according to diameter 600mm, the cylinder ultra-high performance concrete permanent template of the cylinder size of long 1500mm and 50mm,
The protective layer thickness of 15mm, selects the longitudinal reinforcement 4 of Ф 16 and the stirrup of Ф 10；
2nd, make permanent template steel reinforcement cage；
3rd, determine that using aperture be the steel wire 1 of 10mm according to cylinder size and centrifugal rotational speed etc.；
4th, steel wire 1 is fixed on steel reinforcement cage 2 outer surface of forming, steel reinforcement cage 2 and steel wire 1 are tight at junction point
It is connected, positioning bar of simultaneously burn-oning at design attitude；
5th, steel reinforcement cage 2 is placed in external mold to guarantee protective layer thickness；
6th, prepare ultra-high performance concrete；Ultra-high performance concrete after mixing in right amount is poured into the mold, close external mold,
Permanent template is indulged with muscle apply to carry out centrifugal forming after tension；；
7th, ultra-high performance concrete component steam curing 48 hours under 85 DEG C of environment again；
8th, pour core concrete after preparing C50, molding in cylinder ultra-high performance concrete permanent template is entered in cast in situs；
10th, after cast-in-place core concrete, integrated member again standard curing to 28 days.
Slump 352mm, the ultra-high performance concrete of cubic compressive strength 162MPa is adopted during preparation.Expanded using collapsing
Latitude of emulsion 344mm, the core high-strength concrete of cube strength 58.4MPa.
It is observed that embodiment cylinder ultra-high performance concrete permanent template outer surface no steel fibre is exposed at outer surface.
Have or not the slices across of the cylinder ultra-high performance concrete permanent template of steel wire by contrast, using steel wire 1
The steel fibre coefficient of dispersion significantly improves afterwards.
According to《Standard for test methods of concrete structures》（GB/T 50152-2012）Method of testing, embodiment superelevation
698kN can be about by concrete permanent template cylinder failing load under horizontal shear effect, and the very-high performance of no steel wire mixes
Solidifying soil permanent template cylinder failing load under horizontal shear effect is about 632kN, improves about 10.4%.
In sum, cylinder ultra-high performance concrete permanent template of the present utility model and preparation method thereof, in steel reinforcement cage
Upper fixing layer of steel wire net, advantageously reduces uneven distribution under centrifugal forming for the steel fibre, effectively improves cylinder superelevation
Energy concrete permanent template durability, increases the uniformity of cylinder ultra-high performance concrete permanent template material simultaneously, increases structure
The effective bending resistance of part, shearing resistance section, improve its shear resistance and Bend ability.In addition this method improves steel fibre
Utilization rate, and the demand of large-scale industrial production can be met.
The above, only this utility model patent preferred embodiment, but the protection domain of this utility model patent is simultaneously
It is not limited to this, in scope disclosed in this utility model patent for any those familiar with the art, according to this
The technical scheme of utility model patent and its utility model design in addition equivalent or change, broadly fall into this utility model patent
Protection domain.
Claims (7)
1. a kind of cylinder ultra-high performance concrete permanent template it is characterised in that：Including ultra-high performance concrete layer, it is built in super
Steel reinforcement cage in high performance concrete layer and the steel wire being fixed on steel reinforcement cage outer surface.
2. according to claim 1 cylinder ultra-high performance concrete permanent template it is characterised in that：Described very-high performance coagulation
Soil layer by centrifugal forming, the rough inner surface of permanent template after molding.
3. according to claim 1 cylinder ultra-high performance concrete permanent template it is characterised in that：Described very-high performance coagulation
Soil layer has superhigh intensity and superelevation durability, and comprcssive strength is less than 40C more than 130MPa, charge value.
4. according to claim 1 cylinder ultra-high performance concrete permanent template it is characterised in that：Described very-high performance coagulation
Soil thickness is less than the 1/20 of body diameter, and is not less than 30mm.
5. cylinder ultra-high performance concrete permanent template according to claim 1 it is characterised in that：Described steel reinforcement cage bag
Include some stirrups, be uniformly arranged and connect the longitudinal reinforcement of each stirrup along permanent template length direction.
6. according to claim 1 cylinder ultra-high performance concrete permanent template it is characterised in that：Described permanent template stirrup
Distance away from ultra-high performance concrete layer outer surface is not less than 10mm, and 40% less than wall thickness.
7. cylinder ultra-high performance concrete permanent template according to claim 1 it is characterised in that：Described steel wire adopts
Be 1.0cm × 1.0cm to 2.0cm × 2.0cm aperture steel wire, with the mode of welding or bind by steel wire and steel reinforcement cage
Link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814648.7U CN205990762U (en) | 2016-07-29 | 2016-07-29 | A kind of cylinder ultra-high performance concrete permanent template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620814648.7U CN205990762U (en) | 2016-07-29 | 2016-07-29 | A kind of cylinder ultra-high performance concrete permanent template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205990762U true CN205990762U (en) | 2017-03-01 |
Family
ID=58105913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620814648.7U Expired - Fee Related CN205990762U (en) | 2016-07-29 | 2016-07-29 | A kind of cylinder ultra-high performance concrete permanent template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205990762U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150086A (en) * | 2016-10-12 | 2016-11-23 | 华南理工大学 | A kind of cylinder ultra-high performance concrete permanent template and preparation method thereof |
| CN108342995A (en) * | 2018-01-18 | 2018-07-31 | 湖北工程学院 | The fiber cloth reinforced pillarwork of steel wire of overcoating ultra-high performance concrete |
| CN108590162A (en) * | 2018-05-10 | 2018-09-28 | 文金龙 | It is molded complete slab column（Wall）PC exempts from form removal shell and its production method and site construction technology |
| CN113482240A (en) * | 2021-07-02 | 2021-10-08 | 哈尔滨理工大学 | Concrete column adopting prefabricated angle steel lattice permanent formwork and manufacturing method thereof |
-
2016
- 2016-07-29 CN CN201620814648.7U patent/CN205990762U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150086A (en) * | 2016-10-12 | 2016-11-23 | 华南理工大学 | A kind of cylinder ultra-high performance concrete permanent template and preparation method thereof |
| CN108342995A (en) * | 2018-01-18 | 2018-07-31 | 湖北工程学院 | The fiber cloth reinforced pillarwork of steel wire of overcoating ultra-high performance concrete |
| CN108590162A (en) * | 2018-05-10 | 2018-09-28 | 文金龙 | It is molded complete slab column（Wall）PC exempts from form removal shell and its production method and site construction technology |
| CN113482240A (en) * | 2021-07-02 | 2021-10-08 | 哈尔滨理工大学 | Concrete column adopting prefabricated angle steel lattice permanent formwork and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106193454A (en) | A kind of permanent template of post ultra-high performance concrete and preparation method thereof | |
| CN106223544B (en) | A kind of ultra-high performance concrete column permanent template and preparation method thereof | |
| CN102383418B (en) | Anti-seismic prefabricated concrete solid square pile and production method thereof | |
| CN205990762U (en) | A kind of cylinder ultra-high performance concrete permanent template | |
| CN208473116U (en) | A kind of partial precast assembly steel reinforced concrete holes in soffit beam | |
| CN107327137A (en) | A kind of heat insulation integrated non-dismantling formworks of STP and its construction technology | |
| CN108343148B (en) | A kind of frame structure system and its construction method | |
| CN109184198A (en) | Armored concrete girder construction, the method for permanent template and its composition | |
| CN106193455A (en) | A kind of ultra-high performance concrete cylinder permanent template and preparation method thereof | |
| CN106150086A (en) | A kind of cylinder ultra-high performance concrete permanent template and preparation method thereof | |
| CN206070876U (en) | A kind of ultra-high performance concrete post permanent template | |
| CN106049759A (en) | Cylindrical ultra-high performance concrete permanent formwork and preparation method thereof | |
| CN206070877U (en) | A kind of ultra-high performance concrete permanent template of cylinder | |
| CN112324009A (en) | Precast concrete hollow heat-insulation wall structure and construction process | |
| CN205894492U (en) | Post ultra high performance concrete's permanent template | |
| CN111042442A (en) | Precast concrete hollow component and preparation method thereof | |
| CN205894491U (en) | Permanent template of ultra high performance concrete cylinder | |
| CN106499118A (en) | A kind of composite concrete prefabrication and assembly construction beam | |
| CN202247861U (en) | Anti-seismic prefabricated concrete solid square pile | |
| CN111155693A (en) | Method for manufacturing stirrup steel bar reactive powder concrete laminated slab | |
| CN204571286U (en) | Cast-in-place bracket column concrete construction formwork | |
| CN220644868U (en) | Precast beam and laminated beam for laminated beam | |
| CN212001825U (en) | Stirrup reinforcing bar reactive powder concrete superimposed sheet | |
| CN110924293A (en) | Concrete pipe, bridge pier structure and manufacturing method thereof | |
| CN220953832U (en) | Assembled connection node of steel pipe concrete superposed column and combined steel beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170301 |