CN110028290A - A kind of ultra-fine aggregate concrete and preparation method thereof - Google Patents
A kind of ultra-fine aggregate concrete and preparation method thereof Download PDFInfo
- Publication number
- CN110028290A CN110028290A CN201910395831.6A CN201910395831A CN110028290A CN 110028290 A CN110028290 A CN 110028290A CN 201910395831 A CN201910395831 A CN 201910395831A CN 110028290 A CN110028290 A CN 110028290A
- Authority
- CN
- China
- Prior art keywords
- ultra
- fine aggregate
- parts
- concrete
- aggregate concrete
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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 invention discloses a kind of ultra-fine aggregate concrete and preparation method thereof, the concrete material includes ultra-fine aggregate, portland cement, composite blend, additive, chopped strand, aqueous epoxy resins, DFG-88 curing agent, blender and water；The ultra-fine aggregate is made by one of scrap glass, natural sand stone and construction waste concrete or a variety of ground by industry；Concrete component maximum compression strength produced by the present invention is up to 210.0mpa, split tensile strength is up to 30.0mpa, has higher resistance to compression, bending resistance, the capability of antidetonance, weaken concrete material Brittleness significantly, it can solve the node connection safety problem of assembled architecture system dry type connection, it can be used as assembled architecture component connecting material, structure safety is improved for assembled architecture to provide safeguard with anti-seismic performance, and it is alternatively arranged as 3D printing construction material and the imitative ceramic tile decorative panel of cement base, working performance is adjustable, material property is adjustable, material materials can be made with preparation by commerical ready-mixed concrete or component product enterprise existing equipment.
Description
Technical field
The invention belongs to concrete building material technical fields, and in particular to a kind of ultra-fine aggregate concrete and its preparation side
Method.
Background technique
Concrete is the widest construction material of modern Application, with abundant raw material, cheap, simple process, strong
The advantages that degree is high, durability is good.During building reconstruction, waste and old building removal can generate a large amount of solid waste,
If these useless concrete materials or brick, which directly abandon, not only results in very big environmental pollution, can also waste many useful
Resource has well economical and environmentally friendly benefit if can be re-used.In addition, existing concrete material is generally deposited
It is lower in compression strength and split tensile strength, it is unable to satisfy the demand of certain special construction fields.
Summary of the invention
The object of the invention aiming at concrete presently, there are the problem of, a kind of ultra-fine aggregate concrete is provided, is had
Higher resistance to compression, bending resistance, the capability of antidetonance, significantly weakening concrete material Brittleness, can solve assembled architecture system dry type
The node of connection connects safety problem.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of ultra-fine aggregate concrete, material composition include ultra-fine aggregate, portland cement, composite blend, additive, tune
It further include chopped strand, aqueous epoxy resins and DFG-88 curing agent with agent and water.
Further, the composite blend be one of silicon ash, miberal powder, flyash, agstone and zeolite powder or
It is a variety of.
Further, the material composition of ultra-fine aggregate concrete is according to parts by weight: 5 ~ 75 parts of ultra-fine aggregate, silicate cement
5 ~ 65 parts of mud, 1 ~ 65 part of composite blend, 0.1 ~ 10 part of additive, 0.01 ~ 10 part and 10 ~ 40 parts of water of blender.
Further, the material composition of ultra-fine aggregate concrete is according to parts by weight: 5 ~ 75 parts of ultra-fine aggregate, silicate cement
5 ~ 65 parts of mud, 1 ~ 65 part of composite blend, 0.1 ~ 10 part of additive, 0.01 ~ 10 part of chopped strand, aqueous epoxy resins: 1-15
Part, 0. 1-2 parts of DFG-88 curing agent, 0.01 ~ 10 part and 10 ~ 40 parts of water of blender.
Further, the ultra-fine aggregate is by one of scrap glass, natural sand stone and construction waste concrete or more
Kind is made by industry grinding, specific surface area 300-800cm2/g。
Further, the chopped strand be industrial length be 2mm ~ 100mm, diameter be 1 ~ 5000nm it is organic
One of chopped strand and inorganic chopped strand are a variety of.
Further, the blender is one of aluminium oxide, sodium metasilicate, sodium hydroxide and calcium hydroxide etc. or more
Kind.
The preparation method of above-mentioned ultra-fine aggregate concrete, comprising the following steps:
(1) chopped strand pre-process: chopped strand and aqueous epoxy resins are mixed evenly, add portland cement into
Row stirring, obtains compound；
(2) ultra-fine aggregate, composite blend, additive, DFG-88 solidification are added in proportion into the compound of step (1)
Agent, blender and water, and concrete slurry is obtained after stirring 0.5-60min；
(3) concrete slurry casting of step (2) is entered into die for molding, then obtains ultra-fine aggregate concrete through standard curing.
Remarkable advantage of the invention is:
(1) microcrack that the present invention is filled between chopped strand and concrete by the way that aqueous epoxy resins are added forms netted
Structure, avoid the appearance of stress concentration phenomenon, while can increase the cohesive force of concrete and chopped strand again, significantly improve mixed
Coagulate the mechanical property of soil.
(2) present invention can solve the node connection safety problem of assembled architecture system dry type connection, and the invention is as dress
With formula building element connecting material, structure safety is improved for assembled architecture and is provided safeguard with anti-seismic performance；
(3) concrete maximum compression strength produced by the present invention is up to 210.0mpa, and split tensile strength is up to 30.0mpa so that
Concrete has higher resistance to compression, bending resistance, the capability of antidetonance, significantly weakening concrete material Brittleness；
(4) present invention is used as 3D printing construction material, and working performance is adjustable, and material property is adjustable, and material materials can lead to preparation
It crosses commerical ready-mixed concrete or component product enterprise existing equipment is made；
(5) present invention solves the problems, such as mine, building waste, industrial refuse regeneration.
Specific embodiment
Below with reference to case study on implementation of the present invention, to the technical solution in case study on implementation of the present invention carry out it is clear, completely retouch
It states.
Embodiment 1:
A kind of ultra-fine aggregate concrete, material composition parts by weight are calculated as: 25 parts of ultra-fine aggregate, 62.5 cement 22.4 of silicate
Part, 10.2 parts of silicon ash, 24 parts of flyash, 2 parts of high-performance water reducing agent, 13mm(diameter 0.2mm) 4 parts of steel fibre, water-base epoxy tree
3 parts of rouge, 0.5 part of DFG-88 curing agent, 0.1 part and 20 parts of water of sodium hydroxide, the ultra-fine aggregate is by scrap glass, natural sand stone
It grinds to obtain with construction waste concrete, specific surface area is 800 cm2/g。
13mm(diameter 0.2mm) steel fibre is mixed evenly with aqueous epoxy resins first, adds silicate 62.5
Cement is stirred, and obtains compound, and other raw materials are then added and place in forced stirrer, and 10min is mixed and goes out machine,
Concrete expansion degree be 450mm, be packed into 100*100*mm die trial or bridge member mold self-compaction molding, after demoulding
Steam-cured 10h in 0.1MPa, 180 DEG C of high temperature and high pressure kettle, then standard curing 27 days, obtain ultra-fine aggregate concrete, mechanical property
Energy, cracking resistance, anti-carbonation, erosion-resisting characteristics are good, 28 days compression strength 200.0mpa, split tensile strength 25.0mpa.
Embodiment 2:
A kind of ultra-fine aggregate concrete, material composition are calculated by weight as: 54 parts of ultra-fine aggregate, 42.5 cement of silicate
6.6 parts, 3 parts of S95 miberal powder, 4 parts of flyash, 1.6 parts of high-performance water reducing agent, 1 part of 10-20mm basalt fibre, water-base epoxy tree
1 part of rouge, 0. 1 parts of DFG-88 curing agent, 0.5 part and 23 parts of water of sodium silicate solution, the ultra-fine aggregate is by natural sand stone and building
Discarded concrete grinds to obtain, and specific surface area is 500 cm2/g。
10-20mm basalt fibre is mixed evenly with aqueous epoxy resins first, adds 42.5 cement of silicate
Be stirred, obtain compound, other raw materials (except sodium silicate solution) are then added and are put into agitating device, Site or
Premixing stirs 10min, expansion degree >=500mm mixture is packed into 3D printing equipment, while printing coagulation with sodium silicate solution
Native component；Its product compression strength 38.1.0mpa, split tensile strength 4.0mpa, cracking rate are lower than 0.10mpa/d.
Embodiment 3
A kind of ultra-fine aggregate concrete, material composition are calculated by weight as: 54.2 parts of ultra-fine aggregate, 42.5 cement of silicate
It is 9.7 parts, 5.2 parts of S95 miberal powder, 6.3 parts of flyash, 1.6 parts of high-performance water reducing agent, 0.1 part of 10-15mm polypropylene fibre, aqueous
0.8 part of epoxy resin, 0.2 part of DFG-88 curing agent, 0.2 part and 22 parts of water of aluminium oxide；The ultra-fine aggregate by scrap glass and
Construction waste concrete grinds to obtain, specific surface area 400cm2/g。
10-15mm polypropylene fibre is mixed evenly with aqueous epoxy resins first, adds 42.5 cement of silicate
It being stirred, obtains compound, other raw materials are then added and are put into agitating device, Site or premixing stir 10min,
By expansion degree >=550mm, mixture stirring transport to engineering erecting yard, component interconnecting piece is pumped by mortar pumping equipment
Position slip casting slot, self-compaction are linked and packed component, compression strength 53.0mpa, the split tensile strength 5.5mpa of concrete, concrete pole
Adhesion strength 30.0mpa is limited, cracking rate is lower than 0.10mpa/d, has preferable concrete-reinforcing bar cementitiousness, to mention
The bonding security performance of high assembled architecture PC structure.
Embodiment 4
A kind of ultra-fine aggregate concrete, material composition are calculated by weight as: 55.6 parts of ultra-fine aggregate, 42.5 cement of silicate
10 parts, 12.5 parts of flyash, 0.9 part of high-performance water reducing agent, 0.3 part and 20 parts of water of sodium hydroxide；The ultra-fine aggregate is by building
Discarded concrete grinds to obtain, and specific surface area is 300 cm2/g。
All raw materials in proportion and are put into agitating device, Site or premixing stir 10min, prepare one kind and open up
The latitude of emulsion >=600mm grouting mixture；The mixture injects reinforcing steel bar connecting sleeve tube by grouting pump, and it is viscous that formation has a kind of limit
The ultra-fine aggregate concrete of knotting strength 32.1mpa.The ultra-fine aggregate concrete has preferable concrete-reinforcing bar cementitiousness, from
And improve the bonding security performance of assembled architecture PC structure.
Embodiment 5
A kind of ultra-fine aggregate concrete, material composition are calculated by weight as: 30 parts of ultra-fine aggregate, 42.5 cement 20 of silicate
Part, 6 parts of silicon ash, 9 parts of miberal powder, 8 parts of flyash, 6 parts of agstone, 5.3 parts of zeolite powder, 1.3 parts of high-performance water reducing agent, 10-
2 parts of 12mm aramid fiber, 1.3 parts of aqueous epoxy resins, 0.5 part of DFG-88 curing agent, 0.4 part of sodium hydroxide and 24 parts of water；Institute
It states ultra-fine aggregate to grind to obtain by construction waste concrete, specific surface area is 700 cm2/g。
First 10-12mm aramid fiber is mixed evenly with aqueous epoxy resins, add 42.5 cement of silicate into
Row stirring, obtains compound, other raw materials is then added and are put into agitating device, and Site or premixing stir 20min, system
Standby grouting mixture out；The mixture is injected in the pipe mould containing reinforcing bar by grouting pump, and tubing string is encased in steaming kiln
Carry out it is steam-cured, in 140 DEG C and 9kg/cm2Pressure condition under, steam-cured 4h, complete it is steam-cured after, take out tubing string, enter constant heat storage, tie up
Temperature is held at 40 DEG C, is placed 3 days, obtaining ultra-fine aggregate concrete pipeline with excellent mechanical property can be used for cities and towns
Rainwater and sewage discharge tube.
Embodiment 6
A kind of ultra-fine aggregate concrete, material composition are calculated by weight as: 60.2 parts of ultra-fine aggregate, 42.5 cement of silicate
23.3 parts, 5 parts of silicon ash, 6.3 parts of miberal powder, 4.6 parts of flyash, 5.1 parts of agstone, 8 parts of zeolite powder, high-performance water reducing agent 1.3
Part, 3 parts of 15-20mm basalt fibre, 2 parts of aqueous epoxy resins, 1 part of DFG-88 curing agent, 0.5 part of sodium hydroxide and water 23
Part；The ultra-fine aggregate is ground to obtain by natural sand stone, and specific surface area is 600 cm2/g。
3 parts of 15-20mm basalt fibre are mixed evenly with aqueous epoxy resins first, adds 42.5 water of silicate
Mud is stirred, and obtains compound, and other raw materials are then added and are put into agitating device, Site or premixing stirring
30min prepares grouting mixture；The mixture forms in the bricks die by grouting pump injection 250*250*50mm, then passes through
Standard curing 6 days, obtain open deck special brick.
Embodiment 7
A kind of ultra-fine aggregate concrete, material composition are calculated by weight as: 50.8 parts of ultra-fine aggregate, 42.5 cement of silicate
22 parts, 2.3 parts of silicon ash, 7.8 parts of miberal powder, 8.3 parts of flyash, 4.2 parts of agstone, 7 parts of zeolite powder, high-performance water reducing agent 1.3
Part, 0.5 part and 23 parts of water of sodium hydroxide；The ultra-fine aggregate is ground to obtain by natural sand stone, and specific surface area is 300 cm2/g。
Raw material is put into agitating device in proportion, Site or premixing stir 30min, prepare grouting mixture；
The mixture injects cement flowerpot die for molding by grouting pump, removes mold, air-dries 3 days at room temperature to get ultra-fine bone is arrived
Concrete flowerpot is expected, with light-weight, intensity is high, shock resistance is strong；Compared to traditional cement flowerpot, what the present invention made
Flowerpot intensity at least promotes 40%, and weight reduces 30% or more, and the present invention not only reduces the weight of flowerpot, is readily transported or removes
Fortune, and intensity is also added, avoid flowerpot from cracking or be crushed.
Embodiment 8
A kind of ultra-fine aggregate concrete, material composition are calculated by weight as: 35 parts of ultra-fine aggregate, 42.5 white cement of silicate
46 parts, 7 parts of silicon ash, 0.04 part of lithium carbonate, 0.02 part of sodium gluconate, 0.05 part of citric acid, 0.25 part of high-performance water reducing agent, glue
0.3 part of powder, 0.001 part of defoaming agent, 3.339 parts of mill base, 8 parts of water；The ultra-fine aggregate is ground to obtain by natural sand stone, specific surface
Product is 300 cm2/g.
Raw material is put into agitating device in proportion, Site or premixing stir 30min, prepare concrete mixing
Object；The mixture is injected into tile mould and is formed, then removes mold, is beaten after air-drying 24 hours at room temperature with sander
Wax imitates ceramic decoration panel to get to the ultra-fine aggregate concrete of various colors.It is equal to bright in luster, gloss with durable
The decorative panel material of U.S. ceramics；Compared to traditional decorative ceramic board, cost is relatively low for the decorative panel that the present invention makes, convenient for assembly
Formula builds integration assembly.
The foregoing is merely a part of the embodiments of the present invention, instead of all the embodiments.It is all special according to the present patent application
The equivalent changes and modifications that sharp range is done, are all covered by the present invention.
Claims (9)
1. a kind of ultra-fine aggregate concrete, which is characterized in that its material composition includes ultra-fine aggregate, portland cement, compound mixes
Close material, additive, blender and water.
2. ultra-fine aggregate concrete according to claim 1, which is characterized in that its material composition further include chopped strand,
Aqueous epoxy resins and DFG-88 curing agent.
3. ultra-fine aggregate concrete according to claim 1, which is characterized in that the composite blend be silicon ash, miberal powder,
One of flyash, agstone and zeolite powder are a variety of.
4. ultra-fine aggregate concrete according to claim 1, which is characterized in that its material composition according to parts by weight: it is super
5 ~ 75 parts of fine aggregate, 5 ~ 65 parts of portland cement, 1 ~ 65 part of composite blend, 0.1 ~ 10 part of additive, 0.01 ~ 10 part of blender
With 10 ~ 40 parts of water.
5. ultra-fine aggregate concrete according to claim 2, which is characterized in that its material composition according to parts by weight: it is super
5 ~ 75 parts of fine aggregate, 5 ~ 65 parts of portland cement, 1 ~ 65 part of composite blend, 0.1 ~ 10 part of additive, chopped strand 0.01 ~ 10
Part, aqueous epoxy resins: 1-15 parts, 0. 1-2 parts of DFG-88 curing agent, 0.01 ~ 10 part and 10 ~ 40 parts of water of blender.
6. ultra-fine aggregate concrete according to claim 1, which is characterized in that the ultra-fine aggregate is by scrap glass, day
Right one of sandstone and construction waste concrete are a variety of obtained by industry grinding, specific surface area 300-800cm2/
g。
7. ultra-fine aggregate concrete according to claim 2, which is characterized in that the chopped strand is industrial length
One of degree is 2mm ~ 100mm, diameter is 1 ~ 5000nm organic chopped strand and inorganic chopped strand are a variety of.
8. ultra-fine aggregate concrete according to claim 1, which is characterized in that the blender be aluminium oxide, sodium metasilicate,
One of sodium hydroxide and calcium hydroxide are a variety of.
9. a kind of preparation method of ultra-fine aggregate concrete as claimed in claim 2, which comprises the following steps:
(1) chopped strand pre-process: chopped strand and aqueous epoxy resins are mixed evenly, add portland cement into
Row stirring, obtains compound；
(2) ultra-fine aggregate, composite blend, additive, DFG-88 solidification are added in proportion into the compound of step (1)
Agent, blender and water, and concrete slurry is obtained after stirring 0.5-60min；
(3) concrete slurry casting of step (2) is entered into die for molding, then obtains ultra-fine aggregate concrete system through standard curing
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395831.6A CN110028290A (en) | 2019-05-14 | 2019-05-14 | A kind of ultra-fine aggregate concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395831.6A CN110028290A (en) | 2019-05-14 | 2019-05-14 | A kind of ultra-fine aggregate concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110028290A true CN110028290A (en) | 2019-07-19 |
Family
ID=67241865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910395831.6A Pending CN110028290A (en) | 2019-05-14 | 2019-05-14 | A kind of ultra-fine aggregate concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110028290A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508595A (en) * | 2019-08-21 | 2019-11-29 | 陕西美泰节能科技有限公司 | A kind of glass leftover pieces recycle production line and technique |
| CN112194424A (en) * | 2020-07-16 | 2021-01-08 | 苏州混凝土水泥制品研究院有限公司 | Ultrahigh-performance concrete with higher flexural strength and preparation method thereof |
| WO2022226386A1 (en) * | 2021-04-22 | 2022-10-27 | Petchler Miles | Cementitious and water-based epoxy 3d printing mortar and methods for making the same |
| EP4089062A1 (en) * | 2021-05-10 | 2022-11-16 | Sika Technology AG | Methods for the retrieval of aggregate from waste construction material by grinding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084830A (en) * | 2015-08-10 | 2015-11-25 | 苏州科淼新材料有限公司 | Active powder concrete and preparation method thereof |
| CN105198321A (en) * | 2015-10-22 | 2015-12-30 | 刘创 | Concrete and preparation method thereof |
| CN108529945A (en) * | 2018-06-25 | 2018-09-14 | 中国地质大学（北京） | A kind of iron ore barren rock resource utilization method |
-
2019
- 2019-05-14 CN CN201910395831.6A patent/CN110028290A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105084830A (en) * | 2015-08-10 | 2015-11-25 | 苏州科淼新材料有限公司 | Active powder concrete and preparation method thereof |
| CN105198321A (en) * | 2015-10-22 | 2015-12-30 | 刘创 | Concrete and preparation method thereof |
| CN108529945A (en) * | 2018-06-25 | 2018-09-14 | 中国地质大学（北京） | A kind of iron ore barren rock resource utilization method |
Non-Patent Citations (2)
| Title |
|---|
| 张荣辉等: "水性环氧树脂对聚丙烯纤维混凝土性能影响的研究", 《新型建筑材料》 * |
| 杨杨等: "《土木工程材料》", 31 July 2018, 武汉大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508595A (en) * | 2019-08-21 | 2019-11-29 | 陕西美泰节能科技有限公司 | A kind of glass leftover pieces recycle production line and technique |
| CN112194424A (en) * | 2020-07-16 | 2021-01-08 | 苏州混凝土水泥制品研究院有限公司 | Ultrahigh-performance concrete with higher flexural strength and preparation method thereof |
| WO2022226386A1 (en) * | 2021-04-22 | 2022-10-27 | Petchler Miles | Cementitious and water-based epoxy 3d printing mortar and methods for making the same |
| EP4089062A1 (en) * | 2021-05-10 | 2022-11-16 | Sika Technology AG | Methods for the retrieval of aggregate from waste construction material by grinding |
| WO2022238225A1 (en) * | 2021-05-10 | 2022-11-17 | Sika Technology Ag | Methods for the retrieval of aggregate from waste construction material by grinding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110028290A (en) | A kind of ultra-fine aggregate concrete and preparation method thereof | |
| CN104478371B (en) | A kind of energy-saving concrete crack repairing agent | |
| CN104030642B (en) | A kind of fibrous concrete | |
| CN100434382C (en) | Plastic anti-crack modified fiber of cement-based material and prepn. process | |
| CN100522866C (en) | Non-cracking building mortar | |
| CN101792300B (en) | Insulation wall bricks and preparation method thereof | |
| CN108609974A (en) | A kind of preparation method of ultra-high performance concrete and prefabricated PC | |
| CN105837137A (en) | Composite reinforcing type mortar for rapid repairing | |
| CN113387620B (en) | Solidified dredged sludge block based on alkali-activated cementing material and preparation method thereof | |
| CN102503307A (en) | Novel high-strength expansive concrete | |
| CN103951358A (en) | Overall residential foamed lightweight wall body manufactured from construction waste and manufacturing method thereof | |
| CN108314408A (en) | A kind of environmental protection resistance to compression lightweight water-permeable brick and preparation method thereof | |
| CN107337408A (en) | A kind of wear-resisting antiseepage composite mortar of cracking resistance and preparation method thereof | |
| CN114605125B (en) | Method for preparing water permeable brick by using construction waste | |
| CN108793935A (en) | Prefabricated siccative gunite concrete | |
| CN106116331A (en) | A kind of formula of reconstructed granite pavior brick | |
| CN113216672B (en) | Construction method for building with basalt fiber concrete reinforced masonry structure | |
| CN110627473A (en) | Phosphorus-silicon-magnesium-based special rapid-hardening material and preparation method thereof | |
| CN110041034A (en) | A kind of Novel free steam pressure concrete brick and its binder | |
| CN101698587A (en) | External wall plastering mortar and construction method thereof | |
| CN103588446A (en) | Ecological type cement adhesive | |
| CN1318535C (en) | Super strengthen adhesives for adhering ceramic tile of wall and floor | |
| CN209163513U (en) | A kind of compound masonry using NSM-TRC reinforcing masonry structure | |
| CN110183174A (en) | A method of historic gardens artificial hillock is prepared using construction refuse regenerated | |
| CN107555929A (en) | A kind of environmental high intensity water-permeable brick and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 350314 Yuanhong investment zone, Fuqing City, Fuzhou City, Fujian Province Applicant after: Fujian Hongsheng Material Technology Co.,Ltd. Address before: 350314 Yuanhong investment zone, Fuqing City, Fuzhou City, Fujian Province Applicant before: FUZHOU HONG SHENG BUILDING MATERIAL Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190719 |
|
| RJ01 | Rejection of invention patent application after publication |