CN109020398A - A kind of colour high performance concrete (RPC) prefabricated components and production method - Google Patents
A kind of colour high performance concrete (RPC) prefabricated components and production method Download PDFInfo
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- CN109020398A CN109020398A CN201811064180.4A CN201811064180A CN109020398A CN 109020398 A CN109020398 A CN 109020398A CN 201811064180 A CN201811064180 A CN 201811064180A CN 109020398 A CN109020398 A CN 109020398A
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- rpc
- high performance
- performance concrete
- prefabricated components
- colored high
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
- B28B3/022—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form combined with vibrating or jolting
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The present invention relates to a kind of colored high performance concrete (RPC) prefabricated components and production methods, the colour high performance concrete (RPC) includes the raw material components of following parts by weight: cement 800~1200, aggregate 1100~1300, silicon ash 90~120, steel fibre 120~150, additive 60~80, pigment 40~90, water 90~120, through mix-design, raw material mixes and stirs, sufficiently vibrate, obtained colored high performance concrete (RPC) prefabricated components such as extrusion forming, various colors can be for good and all presented in the prefabricated components, pattern, texture, the natural material of simulation true to nature and texture, with waterproof, it is anti-skidding, anti-corrosion, the features such as high-strength, it can be achieved building and humanistic environment, natural environment combines together, reach the theory of harmony and co-existence.
Description
Technical field
The present invention relates to architecture engineering material technical fields, pre- more particularly, to a kind of colored high performance concrete (RPC)
Component processed and production method.
Background technique
Concrete is one of most important construction material in the world today, concrete mix have good plasticity and
Mobility can be poured and build up various complicated shapes, have certain decoration function.Concrete, in traffic highway engineering
In be mainly used for pouring for pavement of road, bridge, harbour etc.；Be primarily useful in urban road engineering road, sculpture and its
His artistic creation works, but the maximum shortcoming of normal concrete is that appearance colour is dull, gloomy, stiff, is given oppressive
Sense.With economy, the development of technology and society, various color concretes are continued to bring out, and are widely applied in engineering, by
Gradually from low and middle-grade architectural developments to top-grade building.
Concrete prefabricated element is modern architecture industry and the common construction material of engineering field, in advance by industry in factory
Worker is completed with concrete production, and construction site has and labor productivity can be improved to assemble and install, and improves building matter
Amount improves building-site environment, and it is important component and the state of green building that realization is energy saving, water-saving, saves the features such as material
The green environmental protection industry that family carries out energetically.Currently, technology of high performance concrete has good at home and abroad by wide popularization and application
Economic benefit and social benefit, it is often more important that have become based on environmental protection and sustainable development international mainstream, but both at home and abroad
Rarely has the application of colored high performance concrete (RPC) prefabricated components.
Summary of the invention
To overcome prior art defect, the technical problem to be solved by the present invention is to provide a kind of colored high performance concretes
(RPC) various colors, pattern, texture can be for good and all presented in the prefabricated components of prefabricated components and production method, production, realistically mould
Intend natural material and texture, have the characteristics that waterproof, anti-skidding, anti-corrosion, it is high-strength, it can be achieved that by building and humanistic environment, from
Right environment combines together, reaches the theory of harmony and co-existence.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of colour high performance concrete (RPC) prefabricated components, are made, feature of colored high performance concrete (RPC)
It is, the colour high performance concrete (RPC) includes the raw material components of following parts by weight: cement 800~1200, aggregate 1100
~1300, silicon ash 90~120, steel fibre 120~150, additive 60~80, pigment 40~90, water 90~120.
The preferred Ji east P.O42.5 cement of cement.
The preferred Haicheng City quartz sand of aggregate and screened processing, size controlling is between 0.16~1.25mm, clay content
Less than 1.0%, and guarantee color uniformity.
The preferred Shenyang Erie of additive reaches high performance water reducing agent of polyocarboxy acid, water-reducing rate 30%, solid content 40%.
The preferred iron oxide of pigment.
A kind of production method of colour high performance concrete (RPC) prefabricated components, which comprises the following steps:
1) mix-design determines each component optimum mix by sample production and test check；
2) by determining match ratio, raw material components is weighed and are sent into blender, be stirred 1.5~2.5min and be made colored high
Performance concrete (RPC) mixture；
3) sub-material enters mould, and the injection of colored high performance concrete (RPC) mixture is placed in the lower die of production line cope plate
Interior and levelling upper surface, is sent to vibration press molder；
4) it sufficiently vibrates, starting vibration press molder is vibrated, and the colored high-performance coagulation in the lower die of template is made
Native (RPC) mixture vibration compacting, time of vibration 5~8 seconds；
5) quiet to stop initial set, vibration press molder is closed, it is quiet to stop 1~4 hour to colored high performance concrete (RPC) mix
Object initial set；
6) extrusion forming covers the upper mold of template, and starting single lead screw ex truding briquetting machine is squeezed, and makes colored high performance concrete
(RPC) mixture is further closely knit, stops when chromatic colour high performance concrete (RPC) mixture is squeezed out from upper mold gas vent
It squeezes, 4~10MPa of squeeze pressure；
7) it just supports, with plastic film wrapped template and is sent to low-temperature steam maintenance operating room and is conserved, process is divided into heating, perseverance
Temperature, cooling three phases, heating rate should not exceed 12 DEG C/h, and cooling rate should not exceed 15 DEG C/h, and thermostat temperature should control
At 40 ± 5 DEG C, relative humidity >=70%, just feeding total time is for 24 hours；
8) demoulding, when just supporting end removal low-temperature steam maintenance operating room, the difference of template surface temperature and environment temperature should not surpass
15 DEG C are crossed, goes removing template that RPC product is made；
9) stacking, RPC product send to high temperature steam-curing chamber and carry out stacking, and when stacking, each stacking RPC product divided into 100
The pallet of~200mm high should stay the gap 30~50mm between RPC product, and between stacking and stacking and high temperature steam curing locular wall
Between should stay >=the gap of 200mm；
10) it supports eventually, carries out supporting eventually after covering each stacking with plastic film, process is divided into three heating, constant temperature, cooling ranks
Section, heating rate should not exceed 12 DEG C/h, and cooling rate should not exceed 15 DEG C/h, and thermostat temperature should be controlled at 80 ± 5 DEG C, constant temperature
Curing time should not be less than 48h, and when removal, the difference of RPC product surface temperature and environment temperature is not to be exceeded 15 DEG C；
11) it checks and accepts, sampling inspection is simultaneously compared with sample, and qualification obtains colored high performance concrete (RPC) prefabricated components,
Otherwise, start unqualified treatment procedures to be disposed.
Further, the sample production and test check of the mix-design use step 4)~8), 10), 11) same item
Sufficiently vibrating under part quiet stop initial set, extrusion forming, just supports, demoulding, supports eventually, the course of receiving.
Further, the test check or sampling inspection refer to using GB/T50082-2009 " normal concrete chronicity and
Endurance quality test method " and GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete ", test sample
Compression strength, flexural strength, elasticity modulus, impervious and freeze proof grade.
Compared with prior art, the beneficial effects of the present invention are:
1) a kind of colored high performance concrete (RPC) prefabricated components and production method, the prefabricated components produced are provided
Can for good and all be presented various colors, pattern, texture, the natural material of simulation true to nature and texture, have waterproof, anti-skidding, anti-corrosion,
The features such as high-strength, it can be achieved that building and humanistic environment, natural environment are combined together, reaches the theory of harmony and co-existence.
2) pavement brick, road rock, high-strength concrete well tool, the Characteristic landscape that can be widely applied to traffic route engineering are made
The fields such as type, airport building infrastructure and high-speed railway cable trough cover boards have high Social benefit and economic benefit.
Detailed description of the invention
Fig. 1 is production technological process of the invention；
Fig. 2 is the Silica fume content of the present invention to RPC flexural strength influence curve figure；
Fig. 3 is the Silica fume content of the present invention to RPC compression strength influence curve figure；
Fig. 4 is the volume content of steel fibers of the present invention to RPC flexural strength influence curve figure；
Fig. 5 is the volume content of steel fibers of the present invention to RPC compression strength influence curve figure；
Fig. 6 is the present invention using extrusion forming and not using the obtained concrete crushing strength comparison column of extrusion forming
Figure.
Specific embodiment
The invention will be further described combined with specific embodiments below, but protection model not thereby limiting the invention
It encloses.
A kind of colored high performance concrete (RPC) prefabricated components of the present invention, by colored high performance concrete (RPC)
It is made, the colour high performance concrete (RPC) includes the raw material components of following parts by weight: cement 800~1200, aggregate 1100
~1300, silicon ash 90~120, steel fibre 120~150, additive 60~80, pigment 40~90, water 90~120.
The preferred Ji east P.O42.5 cement of cement.
The preferred Haicheng City quartz sand of aggregate and screened processing, size controlling is between 0.16~1.25mm, clay content
Less than 1.0%, and guarantee color uniformity.
The preferred Shenyang Erie of additive reaches high performance water reducing agent of polyocarboxy acid, water-reducing rate 30%, solid content 40%.
Since the slump of color concrete should not be too big, and the alkali that water-reducing agent is brought into should lack as far as possible, general to reduce component finished surface
Alkali, therefore, the water-reducing rate general control of water-reducing agent is 30% or so.
The preferred iron oxide of pigment.Pigment must have preferable dispersibility and stronger colorability, broken to the external world
Bad factor is with good stability, can alkaline-resisting, fast light, weather resistance, long-term colour-fast in an atmosphere, have good phase with cement
Adverse reaction will not occur for capacitive.The fossil fuel for being suitable for concrete production have iron oxide, cadmium color, chromate, cobalt oxide
Indigo plant etc..Color concrete improves significantly with the increase colour generation of pigment volume, but volume is excessive, and it is unfavorable to generate to concrete performance
It influences, such as caused, admixture dosage is high, working performance loss is big, compression strength decline.Iron oxide is most stable of mineral dye
Material, can make the colors such as yellow, red, brown, black, its tests determined preferable volume is that the sum of cement and silicon ash are cementitious material
5%-7%.
Fig. 1 is shown in a kind of production method of colour high performance concrete (RPC) prefabricated components, process flow, including following
Step:
1) mix-design determines each component optimum mix by sample production and test check.
Mix-design key is the influence of determining silicon ash and steel fibre additional amount to colored high performance concrete (RPC).
See Fig. 2, Fig. 3, silicon ash is to prepare the ideal mineral admixture of super high strength concrete, there are other mineral admixture institutes
Incomparable advantage, main there are three effects: the hole between filling different-grain diameter particle；Silicon ash particle has good ball
Shape plays good wetting action to improve rheology characteristic；Silicon ash has high activity, can play second of hydration.Through
It tests and determines that its preferable volume is the 5%-15% that the sum of cement and silicon ash are cementitious material.
See Fig. 4, Fig. 5, steel fibre is added in concrete, preferable enhancing, toughening effect can be played, but simultaneously and significantly
Improve its deployment cost.For that purpose it is necessary to steel fibre additional amount be adjusted by testing to reach it in performance and cost
Ideal dosage.Its tests determined preferable volume is the 4~6% of the sum of all components.
2) by determining match ratio, raw material components is weighed and are sent into blender, be stirred 1.5~2.5min and be made colored high
Performance concrete (RPC) mixture；
3) sub-material enters mould, and the injection of colored high performance concrete (RPC) mixture is placed in the lower die of production line cope plate
Interior and levelling upper surface, is sent to vibration press molder；
4) it sufficiently vibrates, starting vibration press molder is vibrated, and the colored high-performance coagulation in the lower die of template is made
Native (RPC) mixture vibration compacting, time of vibration 5~8 seconds；
5) quiet to stop initial set, vibration press molder is closed, it is quiet to stop 1~4 hour to colored high performance concrete (RPC) mix
Object initial set；
6) extrusion forming covers the upper mold of template, and starting single lead screw ex truding briquetting machine is squeezed, and makes colored high performance concrete
(RPC) mixture is further closely knit, stops when chromatic colour high performance concrete (RPC) mixture is squeezed out from upper mold gas vent
It squeezes, 4~10MPa of squeeze pressure；
By taking C160 Concrete practical application as an example, the concrete test block compression strength after vibrating can reach
160MPa, and the concrete test block compression strength after extrusion forming can improve about 5% or so, that is, reach 168MPa (see
Fig. 6)；
7) it just supports, with plastic film wrapped template and is sent to low-temperature steam maintenance operating room and is conserved, process is divided into heating, perseverance
Temperature, cooling three phases, heating rate should not exceed 12 DEG C/h, and cooling rate should not exceed 15 DEG C/h, and thermostat temperature should control
At 40 ± 5 DEG C, relative humidity >=70%, just feeding total time is for 24 hours；
8) demoulding, when just supporting end removal low-temperature steam maintenance operating room, the difference of template surface temperature and environment temperature should not surpass
15 DEG C are crossed, goes removing template that RPC product is made；
9) stacking, RPC product send to high temperature steam-curing chamber and carry out stacking, and when stacking, each stacking RPC product divided into 100
The pallet of~200mm high should stay the gap 30~50mm between RPC product, and between stacking and stacking and high temperature steam curing locular wall
Between should stay >=the gap of 200mm；
10) it supports eventually, carries out supporting eventually after covering each stacking with plastic film, process is divided into three heating, constant temperature, cooling ranks
Section, heating rate should not exceed 12 DEG C/h, and cooling rate should not exceed 15 DEG C/h, and thermostat temperature should be controlled at 80 ± 5 DEG C, constant temperature
Curing time should not be less than 48h, and when removal, the difference of RPC product surface temperature and environment temperature is not to be exceeded 15 DEG C；
11) it checks and accepts, sampling inspection is simultaneously compared with sample, and qualification obtains colored high performance concrete (RPC) prefabricated components,
Otherwise, start unqualified treatment procedures to be disposed.
Further, the sample production and test check of the mix-design use step 4)~8), 10), 11) same item
Sufficiently vibrating under part quiet stop initial set, extrusion forming, just supports, demoulding, supports eventually, the course of receiving.I.e. the mix-design stage is stringent
It is carried out according to mass-production stage equal conditions.
[embodiment]
A kind of colour high performance concrete (RPC) prefabricated components, are made, the coloured silk of colored high performance concrete (RPC)
Color high performance concrete (RPC) includes the raw material components of following parts by weight: cement 1100, aggregate 1200, silicon ash 105, steel fibre
130, additive 73, pigment 51, water 105.Its component proportion is determined by mixing proportion design method.
The preferred Ji east P.O42.5 cement of cement.
The preferred Haicheng City quartz sand of aggregate and screened processing, size controlling is between 0.16~1.25mm, clay content
Less than 1.0%, and guarantee color uniformity.
The preferred Shenyang Erie of additive reaches high performance water reducing agent of polyocarboxy acid, water-reducing rate 30%, solid content 40%.
The preferred iron oxide of pigment.
C160 colour high performance concrete (RPC) can be made according to process flow chart shown in Fig. 1.
Wherein, using GB/T50082-2009 " normal concrete chronicity and endurance quality test method " and GB/
T50081-2002 " standard for test methods of mechanical properties of ordinary concrete " carries out test check and sampling inspection, test sample
Compression strength, flexural strength, elasticity modulus, impervious and freeze proof grade.Table 1 is that sample carries out durability test after supporting 28 days eventually
Measured value and standard value comparison table.
Claims (6)
1. a kind of colour high performance concrete (RPC) prefabricated components, are made, feature exists of colored high performance concrete (RPC)
In the colour high performance concrete (RPC) includes the raw material components of following parts by weight: cement 800~1200, aggregate 1100~
1300, silicon ash 90~120, steel fibre 120~150, additive 60~80, pigment 40~90, water 90~120.
2. a kind of colored high performance concrete (RPC) prefabricated components according to claim 1, which is characterized in that the water
The preferred Ji east P.O42.5 cement of mud.
3. a kind of colored high performance concrete (RPC) prefabricated components according to claim 1, which is characterized in that the bone
Expect preferred Haicheng City quartz sand and screened processing, size controlling is between 0.16~1.25mm, clay content is protected less than 1.0%
Demonstrate,prove color uniformity.
4. a kind of colored high performance concrete (RPC) prefabricated components according to claim 1, which is characterized in that described outer
Add the preferred Shenyang Erie of agent up to high performance water reducing agent of polyocarboxy acid, water-reducing rate 30%, solid content 40%.
5. a kind of colored high performance concrete (RPC) prefabricated components according to claim 1, which is characterized in that the face
Expect preferred iron oxide.
6. realizing a kind of production method of colored high performance concrete (RPC) prefabricated components, feature described in claims 1
It is, comprising the following steps:
1) mix-design determines each component optimum mix by sample production and test check；
2) by determining match ratio, raw material components is weighed and are sent into blender, be stirred 1.5~2.5min and colored high-performance is made
Concrete (RPC) mixture；
3) sub-material enters mould, and the injection of colored high performance concrete (RPC) mixture is placed in the lower die of production line cope plate simultaneously
Levelling upper surface, is sent to vibration press molder；
4) it sufficiently vibrates, starting vibration press molder is vibrated, and the colored high performance concrete in the lower die of template is made
(RPC) mixture vibration compacting, time of vibration 5~8 seconds；
5) quiet to stop initial set, vibration press molder is closed, it is quiet to stop 1~4 hour at the beginning of colored high performance concrete (RPC) mixture
It is solidifying；
6) extrusion forming covers the upper mold of template, and starting single lead screw ex truding briquetting machine is squeezed, and makes colored high performance concrete (RPC)
Mixture is further closely knit, stops squeezing when chromatic colour high performance concrete (RPC) mixture is squeezed out from upper mold gas vent,
4~10MPa of squeeze pressure；
7) just support, with plastic film wrapped template and be sent to low-temperature steam maintenance operating room and conserved, process be divided into heating, constant temperature,
Cool down three phases, and heating rate should not exceed 12 DEG C/h, and cooling rate should not exceed 15 DEG C/h, and thermostat temperature should be controlled 40
± 5 DEG C, relative humidity >=70%, just feeding total time is for 24 hours；
8) demoulding, when just supporting end removal low-temperature steam maintenance operating room, the difference of template surface temperature and environment temperature is not to be exceeded 15
DEG C, go removing template that RPC product is made；
9) stacking, RPC product send to high temperature steam-curing chamber and carry out stacking, when stacking each stacking RPC product divide into 100~
The pallet of 200mm high should stay the gap 30~50mm between RPC product, and between stacking and between stacking and high temperature steam curing locular wall
>=the gap of 200mm should be stayed；
10) it supports eventually, carries out supporting eventually after covering each stacking with plastic film, process is divided into heating, constant temperature, cooling three phases,
Heating rate should not exceed 12 DEG C/h, and cooling rate should not exceed 15 DEG C/h, and thermostat temperature should be controlled at 80 ± 5 DEG C, and constant temperature is supported
48h should not be less than by protecting the time, and when removal, the difference of RPC product surface temperature and environment temperature is not to be exceeded 15 DEG C；
11) it checks and accepts, sampling inspection is simultaneously compared with sample, and qualification obtains colored high performance concrete (RPC) prefabricated components, no
Then, start unqualified treatment procedures to be disposed.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110078440A (en) * | 2019-04-19 | 2019-08-02 | 卓匈新材料科技（上海）有限公司 | The hole stone artificial stone of hole stone slurry and curing molding |
| CN111975935A (en) * | 2020-08-13 | 2020-11-24 | 四川省劲腾环保建材有限公司 | Multidimensional variable-frequency vibration extrusion forming technology suitable for producing wallboard |
| CN114920515A (en) * | 2022-05-07 | 2022-08-19 | 中铁二十五局集团第五工程有限公司 | Concrete material reinforced preparation method and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010086693A (en) * | 2000-03-02 | 2001-09-15 | 한천구 | Method for manufacturing concrete protection against explosion |
| CN101570420A (en) * | 2009-05-22 | 2009-11-04 | 北京惠诚基业工程技术有限责任公司 | Manufacturing technique of reactive power concrete products |
-
2018
- 2018-09-12 CN CN201811064180.4A patent/CN109020398A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010086693A (en) * | 2000-03-02 | 2001-09-15 | 한천구 | Method for manufacturing concrete protection against explosion |
| CN101570420A (en) * | 2009-05-22 | 2009-11-04 | 北京惠诚基业工程技术有限责任公司 | Manufacturing technique of reactive power concrete products |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110078440A (en) * | 2019-04-19 | 2019-08-02 | 卓匈新材料科技（上海）有限公司 | The hole stone artificial stone of hole stone slurry and curing molding |
| CN111975935A (en) * | 2020-08-13 | 2020-11-24 | 四川省劲腾环保建材有限公司 | Multidimensional variable-frequency vibration extrusion forming technology suitable for producing wallboard |
| CN114920515A (en) * | 2022-05-07 | 2022-08-19 | 中铁二十五局集团第五工程有限公司 | Concrete material reinforced preparation method and application |
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Application publication date: 20181218 |