CN105601193B - A kind of amorphous alloy fiber enhancing concrete and preparation method thereof - Google Patents
A kind of amorphous alloy fiber enhancing concrete and preparation method thereof Download PDFInfo
- Publication number
- CN105601193B CN105601193B CN201610125831.0A CN201610125831A CN105601193B CN 105601193 B CN105601193 B CN 105601193B CN 201610125831 A CN201610125831 A CN 201610125831A CN 105601193 B CN105601193 B CN 105601193B
- Authority
- CN
- China
- Prior art keywords
- concrete
- amorphous alloy
- alloy fiber
- strengthens
- water
- 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
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
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- C04B2111/24—Sea water resistance
-
- 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
- C04B2111/74—Underwater applications
-
- 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 amorphous alloy fiber enhancing concrete and preparation method thereof, chopped amorphous alloy fiber is uniformly added in concrete substrate and is formulated, using concrete as matrix, each component match ratio is：The 460kg/m of cement 4003, the 760kg/m of sand 6103, the 2500kg/m of rubble 21003, the 4.0kg/m of water reducer 2.253, the 72kg/m of amorphous alloy fiber 14.43, the 160kg/m of water 1303.Be chopped amorphous alloy fiber size：The 0.03mm of thickness 0.02, the 3mm of width 1, the 40mm of length 15, volume volume 0.2% 1%（Weight volume 0.06 3%）.Because it has the advantages that tensile strength height, modulus of elasticity are big, corrosion-resistant, the enhancing concrete being configured to is also with features such as specific strength height, big specific modulus, pliability and corrosion resistance and goods.
Description
Technical field
The present invention relates to a kind of amorphous alloy fiber enhancing concrete and preparation method thereof, propose to close chopped amorphous first
Golden fiber (metallic glass ribbon) be uniformly added to be configured in concrete substrate high-strength corrosion-resistant erosion amorphous alloy fiber enhancing it is mixed
Solidifying soil, belongs to technical field of concrete.
Background technology
The frequent premature breakdown of concrete construction under ocean severe environment, the service life being not by far up to the mark need to spend big
Measure financial resources and carry out maintenance reinforcement, bring huge economic losses.2003《Chinese Investigation On Corrosion report》Show, China year corrosion
About 500,000,000,000 yuan of loss, accounts for the 6% of China GDP, it is seen then that develop the concrete material with excellent cracking resistance and anticorrosion properties
Material, effectively improves the durability of marine structure, the economic cost of reduction whole service life phase input is current in the urgent need to solution
A problem in science certainly.
Incorporation fiber is to improve concrete substrate toughness, impact resistance and a kind of effective way for suppressing its shrinkage cracking.
Current concrete often has steel fibre, polypropylene fibre and polyacrylonitrile etc. with fiber.But steel fibre exist cost it is high, than it is great,
The problems such as being difficult scattered and easy-to-rust.There is also price is high, intensity and modulus is low, bond difference etc. with cement matrix for polypropylene fibre
Shortcoming.Thus explore tencel, prepare the important directions that high-performance fiber concrete is fiber reinforced cement-based material development
One of.
Amorphous alloy fiber is also known as metallic glass ribbon, is a kind of banding non-crystalline material, because of its excellent mechanics, anticorrosive spy
Property and special electromagnetic are widely used to distribution transformer, high power switching power supply, pulse transformer, magnetic amplifier etc. zero
Part.But uniformly it is added in concrete substrate as the blending fiber that is chopped and is configured to high-strength, corrosion resistant amorphous alloy fiber increasing
Reinforced concrete still belongs to the first at home.
The good anti-bending strength of amorphous alloy fiber enhancing concrete and corrosion resistance, make it be more suitable for long-term exposure
The special dimensions such as harbour, harbour, offshore platform in rough seas.Amorphous alloy fiber enhancing proposed by the present invention is mixed
Solidifying soil can be effectively improved the durability of marine structure, increase its service life, not only with important scientific value, it may have bright
Aobvious economic and social benefits.
The content of the invention
Purpose：To solve the deficiencies in the prior art, the present invention provides a kind of amorphous alloy fiber enhancing concrete and its system
Preparation Method.
Technical scheme：In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of amorphous alloy fiber strengthens concrete, it is characterised in that amorphous alloy fiber is uniformly added into concrete
It is formulated in matrix, using concrete as matrix, each component match ratio is：Cement 400-460kg/m3, sand 610-760kg/m3,
Rubble 2100-2500kg/m3, water reducer 2.25-4.0kg/m3, amorphous alloy fiber 14.4-72kg/m3, water 130-160kg/
m3。
Described amorphous alloy fiber enhancing concrete, it is characterised in that：The sand is medium coarse sand, and its modulus of fineness is
3.7-2.3, nominal diameter 5mm sieve aperture add up screen over-size and are not more than 10%.
Described amorphous alloy fiber enhancing concrete, it is characterised in that：The water reducer is condensed for naphthalene sulphonate formaldehyde
Thing or melamine sulfonate and formaldehyde condensation polymer, the water-reducing rate of water reducer is 20%-25%.
Described amorphous alloy fiber enhancing concrete, it is characterised in that：The amorphous alloy fiber is the amorphous conjunction that is chopped
Golden fiber, in concrete substrate civil strike to dispersed, its density 7.0-7.2g/cm3, thickness 0.02-0.03mm, width 1-
3mm, length 15-40mm, tensile strength 1800-2000MPa.
Described amorphous alloy fiber enhancing concrete, it is characterised in that：The concrete is extra large work C40 concrete.
Preferably, described amorphous alloy fiber enhancing concrete, it is characterised in that：The amorphous alloy fiber
43.2-72kg/m3。
Above-mentioned amorphous alloy fiber strengthens the preparation method of concrete, comprises the following steps：
1) sheet strip amorphous alloy strips are cut into 15-40mm length and obtains amorphous alloy fiber, be spiked into concrete
In matrix, to be chopped, disorderly to, it is discontinuous and ensure that equally distributed mode does reinforcing material in concrete substrate；
2) each component weight is weighed according to the match ratio, rubble, sand and cement is added sequentially to concrete first
Dry mixing is uniform in mixer, then adds amorphous alloy fiber and stirs 1-2 minute to being uniformly dispersed, be eventually adding water reducer with
Water, stirs 2-3min to obtain concrete mix to well mixed, it is ensured that amorphous alloy fiber is dispersed in the base；
3) it is molded using vibration formation method, concrete mix is once loaded into die trial, with spatula along die trial during charging
Inwall is plugged and pounded, and it is suitable for reading concrete mix is higher by die trial, untill vibration continues to concrete surface pulp；
4) it is stripped after being molded after die trial surface cover film, 12-48h, to prevent moisture evaporation, and at 20 DEG C ± 5 DEG C
Indoor standing 12-48h, then form removal and number, the test specimen after form removal, which is put into standard curing room, to be conserved to regulation age, i.e.,
Obtain amorphous alloy fiber enhancing concrete.
Beneficial effect：A kind of amorphous alloy fiber enhancing concrete that the present invention is provided and preparation method thereof, is proposed first
Chopped amorphous alloy fiber is uniformly added to be configured in concrete substrate high-strength corrosion-resistant erosion amorphous alloy fiber enhancing it is mixed
Solidifying soil, because amorphous alloy fiber has the advantages that tensile strength height, modulus of elasticity are big, corrosion-resistant, the enhancing concrete being configured to
Also with features such as specific strength height, big specific modulus, pliability and corrosion resistance and goods, amorphous alloy fiber enhancing concrete is good
Anti-bending strength and corrosion resistance, make its be more suitable for being chronically exposed to the harbour in rough seas, harbour, coastal waters put down
The special dimensions such as platform.Amorphous alloy fiber enhancing concrete proposed by the present invention can be effectively improved the durability of marine structure, increase
Plus its service life, not only with important scientific value, it may have obvious economic and social benefits.
Embodiment
The present invention is illustrated with reference to embodiment：
A kind of amorphous alloy fiber strengthens concrete, and chopped amorphous alloy fiber is uniformly added in concrete substrate and matched somebody with somebody
System is formed, using concrete as matrix, and each component match ratio is：Cement 400-460kg/m3, sand 610-760kg/m3, rubble 2100-
2500kg/m3, water reducer 2.25-4.0kg/m3, amorphous alloy fiber 14.4-72kg/m3, water 130-160kg/m3.Preparation method
It is as follows：
1) laminar strip amorphous alloy strips are cut into 15-40mm length for amorphous alloy fiber, is spiked into coagulation
In soil matrix body, to be chopped, disorderly to, it is discontinuous and ensure that equally distributed mode does reinforcing material in the base；
2) each component weight is weighed by above-mentioned match ratio, rubble, sand and cement are added sequentially into concrete first stirs
Mix dry mixing 1 minute in machine, then add be chopped amorphous alloy fiber stir 1-2 minute to fiber dispersion mixing uniformly, finally with
High efficiency water reducing agent and water are added with method of mixing, strong stirring 2-3min is uniform to mix, it is ensured that the amorphous alloy fiber that is chopped is in matrix
In it is dispersed；
3) it is molded using vibration formation method, non-crystaline amorphous metal enhancing concrete mix is once loaded into die trial, during charging
Plugged and pounded slightly along die trial inwall with spatula, and it is suitable for reading concrete mix is higher by die trial, vibration continues to that concrete surface goes out
Untill slurry (time of vibration is generally 30s or so)；
4) it is stripped after being molded after die trial surface cover film, 24h, to prevent moisture evaporation, and 20 DEG C ± 5 DEG C of room
Interior standing about 24h, then form removal and is numbered.Test specimen after form removal, which is put into standard curing room, to be conserved to regulation age.In standard
Test specimen should be placed on frame in fog room, be spaced 1cm-2cm, it is to avoid with the direct shower test specimen of water.
Example one：
Cement 450kg/m3, sand 700kg/m3, rubble 2100kg/m3, high efficiency water reducing agent：3kg/m3, water 160kg/m3。
Example two：
Cement 450kg/m3, sand 700kg/m3, rubble 2100kg/m3, high efficiency water reducing agent：3kg/m3, amorphous alloy fiber
14.4kg/m3, water 160kg/m3。
Example three：
Cement 450kg/m3, sand 700kg/m3, rubble 2100kg/m3, high efficiency water reducing agent：3kg/m3, amorphous alloy fiber
28.8kg/m3, water 160kg/m3。
Example four：
Cement 450kg/m3, sand 700kg/m3, rubble 2100kg/m3, high efficiency water reducing agent：3kg/m3, amorphous alloy fiber
43.2kg/m3, water 160kg/m3。
Example five：
Cement 450kg/m3, sand 700kg/m3, rubble 2100kg/m3, high efficiency water reducing agent：3kg/m3, amorphous alloy fiber
57.6kg/m3, water 160kg/m3。
Example six：
Cement 450kg/m3, sand 700kg/m3, rubble 2100kg/m3, high efficiency water reducing agent：3kg/m3, amorphous alloy fiber
72kg/m3, water 160kg/m3。
Three test specimens are one group of maintenance to 28 day age, according to《Standard for inspection and assessment of strength of concrete》(GBT_50107-
2010) mobility, compression strength, rupture strength and backfin are carried out to different addition quantity amorphous alloy fiber enhancing concrete respectively
The measure of ratio.As a result such as table 1：
Table 1 28 day age different addition quantity amorphous alloy fiber strengthens mechanical performance of concrete index
According to testing result, amorphous alloy fiber enhancing concrete prepared by inventive formulation is closed relative to existing amorphous
Golden fibre reinforced concrete reference substance, filled the enhancing concrete of amorphous alloy fiber compression strength, rupture strength and
There is different degrees of raising compared with conventional concrete in terms of ductility, wherein with amorphous alloy fiber 43.2-72kg/m3More fit
Preferably.
The present invention is disclosed with preferred embodiment above, so it is not intended to limiting the invention, all use equivalent substitutions
Or the technical scheme that equivalent transformation mode is obtained, it is within the scope of the present invention.
Claims (6)
1. a kind of amorphous alloy fiber strengthens concrete, it is characterised in that amorphous alloy fiber is uniformly added to coagulation soil matrix
It is formulated in body, using concrete as matrix, each component match ratio is：Cement 400-460kg/m3, sand 610-760kg/m3, it is broken
Stone 2100-2500kg/m3, water reducer 2.25-4.0kg/m3, amorphous alloy fiber 14.4-72kg/m3, water 130-160kg/m3；
The amorphous alloy fiber is the amorphous alloy fiber that is chopped, in concrete substrate civil strike to dispersed, its density 7.0-7.2g/
cm3, thickness 0.02-0.03mm, width 1-3mm, length 15-40mm, tensile strength 1800-2000MPa.
2. amorphous alloy fiber according to claim 1 strengthens concrete, it is characterised in that：The sand is medium coarse sand, its
Modulus of fineness is 3.7-2.3, and nominal diameter 5mm sieve apertures add up screen over-size and are not more than 10%.
3. amorphous alloy fiber according to claim 1 strengthens concrete, it is characterised in that：The water reducer is naphthalene sulfonic acids
Salt formaldehyde condensation products or melamine sulfonate and formaldehyde condensation polymer, the water-reducing rate of water reducer is 20%-25%.
4. amorphous alloy fiber according to claim 1 strengthens concrete, it is characterised in that：The concrete is extra large work
C40 concrete.
5. amorphous alloy fiber according to claim 1 strengthens concrete, it is characterised in that：The amorphous alloy fiber
43.2-72kg/m3。
6. the amorphous alloy fiber described in claim any one of 1-5 strengthens the preparation method of concrete, comprise the following steps：
1）Sheet strip amorphous alloy strips are cut into 15-40mm length and obtain amorphous alloy fiber, concrete substrate is spiked into
In, to be chopped, disorderly to, it is discontinuous and ensure that equally distributed mode does reinforcing material in concrete substrate；
2）Each component weight is weighed according to the match ratio, rubble, sand and cement are added sequentially to concrete stirring first
Dry mixing is uniform in machine, then adds amorphous alloy fiber and stirs to being uniformly dispersed, and is eventually adding water reducer and water, stirring to mixing
It is uniform to obtain concrete mix, it is ensured that amorphous alloy fiber is dispersed in the base；
3）It is molded using vibration formation method, concrete mix is once loaded into die trial, with spatula along die trial inwall during charging
Plug and pound, and it is suitable for reading concrete mix is higher by die trial, untill vibration continues to concrete surface pulp；
4）It is stripped after shaping after die trial surface cover film, 12-48h, to prevent moisture evaporation, and 20 DEG C ± 5 DEG C of room
Interior standing 12-48h, then form removal and is numbered, the test specimen after form removal, which is put into standard curing room, to be conserved to regulation age, was produced non-
Peritectic alloy fibre reinforced concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125831.0A CN105601193B (en) | 2016-03-04 | 2016-03-04 | A kind of amorphous alloy fiber enhancing concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610125831.0A CN105601193B (en) | 2016-03-04 | 2016-03-04 | A kind of amorphous alloy fiber enhancing concrete and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105601193A CN105601193A (en) | 2016-05-25 |
| CN105601193B true CN105601193B (en) | 2017-09-29 |
Family
ID=55981626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610125831.0A Expired - Fee Related CN105601193B (en) | 2016-03-04 | 2016-03-04 | A kind of amorphous alloy fiber enhancing concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105601193B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049504B (en) * | 2016-06-12 | 2018-04-13 | 青岛海川建设集团有限公司 | Using three-dimensional effect to Pile-Anchor Supporting for Deep Excavation system corner structure optimized construction method |
| CN108101431A (en) * | 2017-12-12 | 2018-06-01 | 北京科技大学 | A kind of neutron shield special concrete of amorphous fiber enhancing and preparation method thereof |
| CN108328989A (en) * | 2018-03-16 | 2018-07-27 | 株洲博尔曼科技发展有限公司 | A kind of discarded FRP concrete and preparation method thereof |
| CN111217564A (en) * | 2020-02-24 | 2020-06-02 | 中国科学院金属研究所 | Surface-modified amorphous fiber reinforced concrete, preparation method and application in sea defense |
| CN113603400A (en) * | 2021-09-30 | 2021-11-05 | 南京益夫新材料科技有限公司 | Machine-sprayed amorphous alloy fiber reinforced plastering mortar and use method thereof |
| CN114045054B (en) * | 2021-11-09 | 2022-08-05 | 河海大学 | Mortar coating for sewage treatment and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272891A (en) * | 1997-10-07 | 2000-11-08 | Fmc有限公司 | Ferrophosphorus alloys and their use in cement composite |
| CN101532117A (en) * | 2008-03-12 | 2009-09-16 | 中国科学院金属研究所 | Continuous metallic glass fiber and preparing method thereof |
| CN103864372A (en) * | 2014-03-24 | 2014-06-18 | 中国建筑材料科学研究总院 | Hybrid fiber reinforced concrete high integrity container for disposal of radioactive materials and preparation method thereof |
-
2016
- 2016-03-04 CN CN201610125831.0A patent/CN105601193B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272891A (en) * | 1997-10-07 | 2000-11-08 | Fmc有限公司 | Ferrophosphorus alloys and their use in cement composite |
| CN101532117A (en) * | 2008-03-12 | 2009-09-16 | 中国科学院金属研究所 | Continuous metallic glass fiber and preparing method thereof |
| CN103864372A (en) * | 2014-03-24 | 2014-06-18 | 中国建筑材料科学研究总院 | Hybrid fiber reinforced concrete high integrity container for disposal of radioactive materials and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105601193A (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105601193B (en) | A kind of amorphous alloy fiber enhancing concrete and preparation method thereof | |
| Ganta et al. | Hybrid steel/glass fiber-reinforced self-consolidating concrete considering packing factor: Mechanical and durability characteristics | |
| Sadrmomtazi et al. | Effect of fly ash and silica fume on transition zone, pore structure and permeability of concrete | |
| Jalal et al. | RETRACTED: Comparative study on effects of Class F fly ash, nano silica and silica fume on properties of high performance self compacting concrete | |
| Shaikh et al. | Chloride induced corrosion durability of high volume fly ash concretes containing nano particles | |
| Song et al. | Steel fibre content and interconnection induced electrochemical corrosion of Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) | |
| Dehwah et al. | Long-term effect of sulfate ions and associated cation type on chloride-induced reinforcement corrosion in Portland cement concretes | |
| Nuaklong et al. | Influence of recycled aggregate on fly ash geopolymer concrete properties | |
| Dotto et al. | Influence of silica fume addition on concretes physical properties and on corrosion behaviour of reinforcement bars | |
| Dehwah | Corrosion resistance of self-compacting concrete incorporating quarry dust powder, silica fume and fly ash | |
| Fan et al. | Influence of kaolinite clay on the chloride diffusion property of cement-based materials | |
| CN108409252A (en) | A kind of regular tenacity high durability concrete and preparation method thereof | |
| Jin et al. | Electrochemical chloride extraction (ECE) based on the high performance conductive cement-based composite anode | |
| Mohseni et al. | The effects of silicon dioxide, iron (III) oxide and copper oxide nanomaterials on the properties of self-compacting mortar containing fly ash | |
| CN106082849A (en) | Do not disperse high performance concrete under water | |
| Aslani | Nanoparticles in self-compacting concrete–a review | |
| CN112299792A (en) | Process for preparing concrete | |
| Jain et al. | Fresh, mechanical, and corrosion performance of self-compacting concrete in the presence of chloride ions | |
| Ramezanianpour et al. | Durability of concrete containing blended cements in harsh marine environments: 18 years exposure study | |
| CN110395951A (en) | A kind of graphene concrete composite material of chloride-penetration resistance and preparation method thereof | |
| CN105863147B (en) | A kind of nano modification high durability concrete material and preparation method thereof | |
| Ma et al. | Using recycled aggregate and powder from high-strength mortar waste for durable cement-based materials: Microstructure and chloride transport | |
| CN103130467A (en) | Modified cement and application thereof | |
| CN108191315A (en) | A kind of concrete prepared using beach sand | |
| Rahmani et al. | Effect of binary cement replacement materials on sulfuric acid resistance of dense concretes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Chaohua Inventor after: Li Xiaoyu Inventor after: Zhu Yuwen Inventor after: Yu Xiaotong Inventor after: Chen Da Inventor after: Zhou Xiaobin Inventor after: Huang Shanshan Inventor after: Gao Peng Inventor before: Jiang Chaohua Inventor before: Li Xiaoyu Inventor before: Zhu Yuwen Inventor before: Yu Xiaotong Inventor before: Chen Da Inventor before: Zhou Xiaobin Inventor before: Huang Panpan Inventor before: Gao Peng |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| 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: 20170929 Termination date: 20200304 |