CN108178584A - A kind of regenerated environment protecting concrete - Google Patents
A kind of regenerated environment protecting concrete Download PDFInfo
- Publication number
- CN108178584A CN108178584A CN201810114023.3A CN201810114023A CN108178584A CN 108178584 A CN108178584 A CN 108178584A CN 201810114023 A CN201810114023 A CN 201810114023A CN 108178584 A CN108178584 A CN 108178584A
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- Prior art keywords
- parts
- regenerated
- environment protecting
- protecting concrete
- aggregate
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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
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
-
- 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
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of regenerated environment protecting concrete, the regenerated environment protecting concrete includes the raw material of following parts by weight：1,000 1200 parts of regenerated coarse aggregate；700 800 parts of recycled fine aggregate；240 300 parts of concrete；1,100 1300 parts of sand；50 100 parts of extra material；1 10 parts of additive；2.7 54 parts of antiseptic；150 200 parts of water；Wherein, the regenerated coarse aggregate and recycled fine aggregate are made by raw material of building waste, and the grain size of the regenerated coarse aggregate is 25 30mm, and the grain size of the recycled fine aggregate is 5 25mm.Through the above technical solutions, can not only be by the larger aggregate regeneration of the grain size in recycled aggregate, and intensity is high, it is applied widely, it can be used in the adverse circumstances such as the high sewer of bacterial content, water channel, it is avoided that using stone, saves materials, reduce production cost.
Description
Technical field
The present invention relates to concrete field more particularly to a kind of regenerated environment protecting concrete.
Background technology
With the raising of construction refuse resource producing level, more and more regenerated resources are recycled, Regenerated Bone
Material is categorized, broken building, screening, except particulate material obtained after iron and dust removal step, is all by recycled aggregate at present
The middle smaller aggregate of grain size is used for brickmaking, and grain size is larger then fills out by being broken into smaller aggregate again or be directly used in
It buries.
Invention content
In view of the utilization above shortcomings of the larger recycled aggregate of grain size, the present invention provide a kind of regenerated environment protecting at present
Concrete, can not only be by the larger aggregate regeneration of the grain size in recycled aggregate, and intensity is high, applied widely, can keep away
Exempt from, using stone, to save materials, reduce production cost.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that：
A kind of regenerated environment protecting concrete, is made of the raw material of following parts by weight：
1000-1200 parts of regenerated coarse aggregate；
700-800 parts of recycled fine aggregate；
240-300 parts of concrete；
1100-1300 parts of sand；
50-100 parts of extra material；
1-10 parts of additive；
2.7-54 parts of antiseptic；
150-200 parts of water；
Wherein, the regenerated coarse aggregate and recycled fine aggregate are made by raw material of building waste, the regenerated coarse aggregate and
Recycled fine aggregate is made by raw material of building waste, and the grain size of the regenerated coarse aggregate is 25-30mm, the recycled fine aggregate
Grain size is 5-25mm.
Generally, the extra material is one in flyash, silicon ash, slag, slag, solid sulfur ash, lime stone, natural zeolite
Kind is a variety of, it is preferred that the extra material is flyash.
Generally, the additive is one or more of water-reducing agent, corrosion inhibitor, early strength agent, retarder, it is described to subtract
Aqua can be polycarboxylate high performance water-reducing agent, casein, powder polycarboxylate, HSB aliphatic high-efficiency water reducing agents, aliphatic
Hydroxy sulfonate polymer, aromatic amino sulphonic acid salt polymer, melamine based water reducer, naphthalene sulfonate water-reducing agent and sulfomethylated lignin
Hydrochlorate etc., the corrosion inhibitor are the corrosion inhibitor containing nitrites, and the corrosion inhibitor containing alkamine contains aminocarboxylic acids
Corrosion inhibitor, containing amino ester corrosion inhibitor, containing organosiloxane and specific inhibitor combination etc., the early strength agent is chlorination
Calcium, sodium chloride, saltcake, gypsum, waterglass, sodium aluminate, sodium carbonate, calcium carbonate, sodium fluoride, triethanolamine etc., the retarder
For dextrin, various types of starch, casein and certain protein-contg substances, can also be sucrose, glucose, lignosulfonic acid
Calcium salt or sodium salt, sodium carboxymethylcellulose (CMC), carboxyethyl cellulose (CHC) and their mixture, in addition it can for
The mixing of tartaric acid, potassium tartrate, calcium tartrate, calcium sulphate dihydrate, calcium sulfite, ferrous sulfate, boric acid, boric acid and tartaric acid
Object, the mixture of tartaric acid and sodium bicarbonate, calgon, phosphoric acid, di(2-ethylhexyl)phosphate are received, tri-sodium phosphate, phosphoric acid four are received, phosphoric acid hydrogen
Disodium, sodium pyrophosphate, alkyl phosphoric acid fat, disodium ethylene diamine tetraacetate, various humic acids etc., it is preferred that the additive is subtracts
Aqua, further, the water-reducing agent are lignosulfonates；Preferably, the additive is water-reducing agent and antirust agent, into one
Step, the additive is water-reducing agent casein and antirust agent is calcium nitrite.
Generally, the antiseptic is one or more of cerous nitrate, lanthanum nitrate and silver ion antimicrobial agent, preferably
, the antiseptic is cerous nitrate.
Generally, the sand is the middle sand that fineness mesh number Mx is 2.3-3.0, it is preferred that the Mx is 2.7.
Preferably, the cement is P.O42.5 cement.
The advantages of present invention is implemented：The present invention provides a kind of regenerated environment protecting concrete, the regenerated environment protecting concrete packet
Raw material containing following parts by weight：1000-1200 parts of regenerated coarse aggregate；700-800 parts of recycled fine aggregate；240-300 parts of concrete；
1100-1300 parts of sand；50-100 parts of extra material；1-10 parts of additive；2.7-54 parts of antiseptic；150-200 parts of water；Wherein, institute
The grain size for stating regenerated coarse aggregate is 25-30mm, and the grain size of the recycled fine aggregate is 5-25mm, through the above technical solutions, not
Only can be by the larger aggregate regeneration of the grain size in recycled aggregate, and intensity is high, it is applied widely, bacterial content can be used in
In the adverse circumstances such as high sewer, water channel, it is avoided that using stone, saves materials, reduce production cost.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without making creative work belong to the model that the present invention protects
It encloses.
Embodiment one
The regenerated coarse aggregate and recycled fine aggregate are made through following steps：
Step 1：Building waste is subjected to category filter, is recycled concrete, recycling brick, recycled plastic and recycling
Timber；
Step 2：Recycling concrete is carried out level-one with jaw crusher and crushes, obtain and level-one breaking concrete with
Recycle the mixture of metal；
Step 3：What the metal in the mixture of breaking concrete and recycling metal was detached crushes coagulation to level-one
Soil；
Step 4：Level-one breaking concrete is carried out to carry out level-one screening with flat screening machine, flat screening machine
The aperture of sieve plate is 30mm, obtains grain size more than the coarse fodder of 30mm and level-one fines；
Step 5：Coarse fodder of the grain size more than 30mm is subjected to second-time breakage with impact breaker, obtains two level fines；
Step 6：Level-one fines and two level fines are carried out being mixed to get mixing fines；
Step 7：The light materials mixed in fines pneumatic separator is removed equipment to remove, obtains clean fines；
Step 8：Clean fines is subjected to two level screening, the both sides sieve with the cylinder screening machine equipped with two layers of sieve plate
The aperture of plate is respectively 25mm and 5mm, obtain grain size 25-30mm regenerated coarse aggregates, grain size in 5-25mm recycled fine aggregates and
Grain size is less than 5mm powders.
Embodiment two
A kind of regenerated environment protecting concrete, is made of the raw material of following parts by weight：
1200 parts of regenerated coarse aggregate in embodiment one；
700 parts of recycled fine aggregate in embodiment two；
300 parts of concrete；
1300 parts of sand；
100 parts of extra material；
10 parts of additive；
54 parts of antiseptic；
200 parts of water.
Wherein, the extra material is flyash, and the water-reducing agent is lignosulfonates, and the antiseptic is cerous nitrate,
The sand is that fineness mesh number Mx is 2.3, and the cement is P.O42.5 cement.
Above-mentioned raw materials are stirred in blender to obtain regenerated environment protecting concrete 1.
Embodiment three
A kind of regenerated environment protecting concrete, is made of the raw material of following parts by weight：
1136 parts of regenerated coarse aggregate in embodiment one；
757 parts of recycled fine aggregate in embodiment two；
270 parts of concrete；
1210 parts of sand；
70 parts of extra material；
6 parts of additive；
30 parts of antiseptic；
170 parts of water.
Wherein, the extra material is flyash, and the water-reducing agent is lignosulfonates, and the antiseptic is includes carbonic acid
Silver, basic copper carbonate and sodium ethylene diamine tetracetate, the mass ratio of the silver carbonate, Kocide SD and sodium ethylene diamine tetracetate are
0.5:1.2:15, the sand is that fineness mesh number Mx is 2.7, and the cement is P.O52.5 cement.
Above-mentioned raw materials are stirred in blender to obtain regenerated environment protecting concrete 2.
Example IV
A kind of regenerated environment protecting concrete, is made of the raw material of following parts by weight：
1000 parts of regenerated coarse aggregate in embodiment one；
800 parts of recycled fine aggregate in embodiment two；
240 parts of concrete；
1100 parts of sand；
50 parts of extra material；
1 part of additive；
2.7 parts of antiseptic；
150 parts of water.
Wherein, the extra material is flyash, and the water-reducing agent is lignosulfonates, and the antiseptic is lanthanum nitrate,
The sand is that fineness mesh number Mx is 3.0, and the cement is P.O52.5 cement.
Above-mentioned raw materials are stirred in blender to obtain regenerated environment protecting concrete 3.
Embodiment five
By foundation after regenerated environment protecting concrete curing obtained in embodiment two, embodiment three and example IV 40 days
《JGJ/T 23-2011 concrete intensity with rebound method technical regulations》Performance test is done, instrument is direct-reading HT225 types
Reisilometer, test result are as shown in table 1.Table 1：
| Regenerated environment protecting concrete | Concrete strength (MPa) |
| Regenerated environment protecting concrete 1 | 35.2 |
| Regenerated environment protecting concrete 2 | 36.4 |
| Regenerated environment protecting concrete 3 | 39.2 |
The advantages of present invention is implemented：The present invention provides a kind of regenerated environment protecting concrete, the regenerated environment protecting concrete packet
Raw material containing following parts by weight：1000-1200 parts of regenerated coarse aggregate；700-800 parts of recycled fine aggregate；240-300 parts of concrete；
1100-1300 parts of sand；50-100 parts of extra material；1-10 parts of additive；2.7-54 parts of antiseptic；150-200 parts of water；Wherein, institute
The grain size for stating regenerated coarse aggregate is 25-30mm, and the grain size of the recycled fine aggregate is 5-25mm, through the above technical solutions, not
Only can be by the larger aggregate regeneration of the grain size in recycled aggregate, and intensity is high, it is applied widely, bacterial content can be used in
In the adverse circumstances such as high sewer, water channel, it is avoided that using stone, saves materials, reduce production cost.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those skilled in the art is in technical scope disclosed by the invention, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (10)
1. a kind of regenerated environment protecting concrete, which is characterized in that be made of the raw material of following parts by weight：
1000-1200 parts of regenerated coarse aggregate；
700-800 parts of recycled fine aggregate；
240-300 parts of concrete；
1100-1300 parts of sand；
50-100 parts of extra material；
1-10 parts of additive；
2.7-54 parts of antiseptic；
150-200 parts of water；
Wherein, the regenerated coarse aggregate and recycled fine aggregate are made by raw material of building waste, the grain size of the regenerated coarse aggregate
For 25-30mm, the grain size of the recycled fine aggregate is 5-25mm.
2. regenerated environment protecting concrete according to claim 1, which is characterized in that the extra material is flyash, silicon ash, ore deposit
One or more of slag, slag, solid sulfur ash, lime stone, natural zeolite.
3. regenerated environment protecting concrete according to claim 2, which is characterized in that the extra material is flyash.
4. regenerated environment protecting concrete according to claim 1, which is characterized in that the additive for water-reducing agent, early strength agent,
One or more of retarder, corrosion inhibitor.
5. regenerated environment protecting concrete according to claim 4, which is characterized in that the additive is water-reducing agent.
6. regenerated environment protecting concrete according to claim 5, which is characterized in that the water-reducing agent is lignosulfonates.
7. regenerated environment protecting concrete according to claim 4, which is characterized in that the additive is water-reducing agent and antirust
Agent.
8. regenerated environment protecting concrete according to claim 7, which is characterized in that the water-reducing agent is casein, described anti-
Rust agent is calcium nitrite.
9. regenerated environment protecting concrete according to claim 1, which is characterized in that the antiseptic is cerous nitrate, lanthanum nitrate
One or more of with silver ion antimicrobial agent.
10. regenerated environment protecting concrete according to claim 9, which is characterized in that the antiseptic is cerous nitrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810114023.3A CN108178584A (en) | 2018-02-05 | 2018-02-05 | A kind of regenerated environment protecting concrete |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810114023.3A CN108178584A (en) | 2018-02-05 | 2018-02-05 | A kind of regenerated environment protecting concrete |
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| CN108178584A true CN108178584A (en) | 2018-06-19 |
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| CN201810114023.3A Pending CN108178584A (en) | 2018-02-05 | 2018-02-05 | A kind of regenerated environment protecting concrete |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824330A (en) * | 2019-03-29 | 2019-05-31 | 江苏宇航建材科技有限公司 | A kind of high-performance middle-and-low strength concrete |
| CN110194644A (en) * | 2019-06-15 | 2019-09-03 | 佛冈锦华混凝土有限公司 | A kind of regenerated aggregate concrete and preparation method thereof |
| CN111138139A (en) * | 2020-01-08 | 2020-05-12 | 福建省春天生态科技股份有限公司 | Preparation method of antibacterial concrete |
| CN111377670A (en) * | 2020-03-19 | 2020-07-07 | 重庆华西易通建设股份有限公司 | Recycled concrete and preparation method thereof |
| CN114315294A (en) * | 2021-12-06 | 2022-04-12 | 北京建筑大学 | Low-strength tough waterproof concrete for underground engineering and preparation method thereof |
| CN114702255A (en) * | 2022-04-19 | 2022-07-05 | 崇左南方水泥有限公司 | Super-sulfate cement prepared from low-activity acidic slag and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936368A (en) * | 2014-04-18 | 2014-07-23 | 张家港江苏科技大学产业技术研究院 | Grade-C40 single-particle regenerated self-compaction concrete and preparation method thereof |
-
2018
- 2018-02-05 CN CN201810114023.3A patent/CN108178584A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103936368A (en) * | 2014-04-18 | 2014-07-23 | 张家港江苏科技大学产业技术研究院 | Grade-C40 single-particle regenerated self-compaction concrete and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 姜晨光: "《普通高等院校土木工程专业"十三五"规划教材 土木工程材料学》", 31 July 2017 * |
| 黄锐: "《稀土在高分子工业中的应用》", 31 July 2009 * |
| 龚洛书: "《建筑工程材料手册》", 30 June 1997 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824330A (en) * | 2019-03-29 | 2019-05-31 | 江苏宇航建材科技有限公司 | A kind of high-performance middle-and-low strength concrete |
| CN110194644A (en) * | 2019-06-15 | 2019-09-03 | 佛冈锦华混凝土有限公司 | A kind of regenerated aggregate concrete and preparation method thereof |
| CN111138139A (en) * | 2020-01-08 | 2020-05-12 | 福建省春天生态科技股份有限公司 | Preparation method of antibacterial concrete |
| CN111377670A (en) * | 2020-03-19 | 2020-07-07 | 重庆华西易通建设股份有限公司 | Recycled concrete and preparation method thereof |
| CN114315294A (en) * | 2021-12-06 | 2022-04-12 | 北京建筑大学 | Low-strength tough waterproof concrete for underground engineering and preparation method thereof |
| CN114702255A (en) * | 2022-04-19 | 2022-07-05 | 崇左南方水泥有限公司 | Super-sulfate cement prepared from low-activity acidic slag and preparation method thereof |
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Application publication date: 20180619 |