CN105837114A - Intelligent concrete being good in durability - Google Patents
Intelligent concrete being good in durability Download PDFInfo
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- CN105837114A CN105837114A CN201610176403.0A CN201610176403A CN105837114A CN 105837114 A CN105837114 A CN 105837114A CN 201610176403 A CN201610176403 A CN 201610176403A CN 105837114 A CN105837114 A CN 105837114A
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- durability
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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
- 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
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2053—Earthquake- or hurricane-resistant materials
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses intelligent concrete being good in durability, which includes, by weight, 27-38 parts of Portland cement, 8.5-9.5 parts of silica fume, 0-8 parts of quartz sand, 39-41 parts of fine sand, 5.5-8 parts of metal fibers, 0.5-1 part of a high-effective water reducer and 5.5-8 parts of water. In the invention, on the basis of the original components of the present concrete, an intelligent component is composited so that the concrete becomes a multifunctional material having the self-sensing, memory, self-adapting, self-repairing and ultra-strong properties. The concrete achieves great development of engineering materials, is ultra-high in durability and mechanical performances, and can effectively defense earthquake, earth penetration bombs and accurate strike of missiles, The concrete is good in durability, approximates steel structures in mechanical performance after proper bar reinforcement, has excellent anti-wear and explosion resistant performances, is suitable for high-span bridges, explosion resistant structures and thin wall structures, and also can be used in high-abrasion and high-corrosion environments.
Description
Technical field
The present invention relates to a kind of concrete building material, the intelligent concrete of a kind of good endurance.
Background technology
Along with modern architecture is to greatly across, high-rise development, for reducing structure section, alleviating dead load, improve thermal insulation separation
Heat etc. performance, lightweight, high-strength, multi-functional, durable, combat a natural disaster, Sustainable development architecture material oneself become the weight of civil engineering field
Want research topic, be also one of the important development direction of modern concrete technology.
It addition, xoncrete structure is owing to, during long-term use and under the influence of around environment, meeting can not
Produce small cracking and local damage with avoiding, the lighter can reduce the service life of structure, and severe one then jeopardizes the safety of structure.Many
Nian Lai, people to raw material, match ratio, additive, manufacturing process, water the aspect such as the method for smashing and maintaining process and studied and change
Enter, and achieve the biggest achievement, but these methods the most fundamentally change the performance weakness of concrete.Therefore, to
Crackle and damage that labour structure occurs are repaired timely and effectively and are become the subject matter that we are concerned about.Due to earthquake, wind lotus
The macroscopic failure that other reasons such as load, shock wave are caused, we can be found by naked eyes and use traditional repaired by hand side
Crackle is repaired by formula (plan is repaired and repaired afterwards).But in actual concrete works structure, exist many micro-
The crack of crackle, such as matrix splits, and the damage of these microscopic ranges likely detects not due to the limitation of Detection Techniques
Arrive.Therefore, want these undetectable crackles and damage are repaired, just become extremely difficult, even not possible, but
If these crackles or damage can not be repaired timely and effectively, the normal usage that not only can affect structure can make with shortening
With the life-span, but also the most thus cause macrocrack and cause structural fragility to rupture, producing serious catastrophic failure.
Summary of the invention
It is an object of the invention to provide the intelligent coagulation that a kind of wearability is good, possess the good endurance of self-repair function
Soil, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
The intelligent concrete of a kind of good endurance, includes according to the raw material of weight portion: portland cement 27-38 part, silicon ash 8.5-
9.5 parts, quartz sand 0-8 part, fine sand 39-41 part, metallic fiber 5.5-8 part, high efficiency water reducing agent 0.5-1 part, water 5.5-8 part.
As the further scheme of the present invention: the intelligent concrete of described good endurance, according to the raw material of percentage by weight
Including: portland cement 30-35 part, silicon ash 8.8-9.2 part, quartz sand 2-6 part, fine sand 39.5-40.5 part, metallic fiber 6.2-
7.2 parts, high efficiency water reducing agent 0.6-0.9 part, water 6.2-7.2 part.
As the present invention further scheme: the intelligent concrete of described good endurance, former according to percentage by weight
Material includes: portland cement 32 parts, silicon ash 9 parts, quartz sand 4 parts, fine sand 40 parts, metallic fiber 6.7 parts, high efficiency water reducing agent 0.75
Part, 6.7 parts of water.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention is composite intelligent type component on the basis of the current original component of concrete, makes concrete material have from perception
With memory, self adaptation, selfreparing and the multifunctional material releasing souls from purgatory anti-powerful feature, it is possible to realize the Great span of engineering material performance,
There is the durability of superelevation and the mechanical property of superelevation, it is possible to effectively resist earthquake and defence drill-ground bomb, guided missile are accurately beaten
Hit；Good endurance of the present invention, after suitable arrangement of reinforcement, its mechanical property is close to firm structure, has excellent wear-resisting, anti-knock properties simultaneously
Can, be suitable for Large Span Bridges, explosion resistant structure (military engineering, bank vault etc.) and thin-wall construction, and be used in high abrasion,
High corrosive environment.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the technical scheme of this patent is described in more detail.
Embodiment 1
The intelligent concrete of a kind of good endurance, includes according to the raw material of weight portion: portland cement 27-38 part, silicon ash 8.5-
9.5 parts, quartz sand 0-8 part, fine sand 39-41 part, metallic fiber 5.5-8 part, high efficiency water reducing agent 0.5-1 part, water 5.5-8 part.
The intelligent concrete of described good endurance, includes according to the raw material of percentage by weight: portland cement 30-35 part,
Silicon ash 8.8-9.2 part, quartz sand 2-6 part, fine sand 39.5-40.5 part, metallic fiber 6.2-7.2 part, high efficiency water reducing agent 0.6-0.9
Part, water 6.2-7.2 part.
The intelligent concrete of described good endurance, includes according to the raw material of percentage by weight: portland cement 32 parts, silicon ash
9 parts, quartz sand 4 parts, fine sand 40 parts, metallic fiber 6.7 parts, high efficiency water reducing agent 0.75 part, 6.7 parts of water.
Utilize the present invention can also prepare damage self-diagnostic concrete, Intelligent carbon fiber concrete, optical-fiber intelligent mix
Solidifying soil, piezoelectric intelligent concrete, selfreparing intelligent concrete, self-regulation intelligent concrete, temp autocontrolled intelligent concrete, reflection
With the intelligent concrete of electromagnetic wave absorption, described damage self-diagnostic concrete be in the present invention composite conducting, sensor etc. its
His material component, makes concrete itself possess self diagnosis and from perceptive function, conventional intellectual material component: polymerization species, carbons,
Metal class and optical fiber etc..It is broadly divided into Intelligent carbon fiber concrete, optical-fiber intelligent concrete, piezoelectric intelligent concrete, respectively profit
With carbon fiber, optical fiber, piezoelectric element, the sensitivity of the external influences such as electricity, light, vibration is realized the self diagnosis of concrete；Described carbon
Fiber intelligent concrete is that the chopped carbon fiber of definite shape, size and volume is incorporated in material of the present invention, can make coagulation
Soil has the function from perception internal stress, strain and operational degree, according to this characteristic of fiber concrete, by test carbon
Duty residing for fiber concrete, it is possible to achieve the on-line monitoring to arrangement works state；Described optical-fiber intelligent concrete
Be utilize light during fiber-optic transfer by the extraneous factor such as temperature, pressure to light waves such as light intensity, phase place, frequency, polarization states
The affecting laws of amount and a kind of sensing technology of developing, the embedment Fibre Optical Sensor of the xoncrete structure prepared in the present invention or its
Array, detects concrete internal stress, strain variation during carbonization and stand under load, and produces due to external force, fatigue etc.
Deformation, crackle；Described piezoelectric intelligent concrete is by certain row by piezoelectric sensing element (such as piezoquartz, piezoelectric ceramics)
Row mode is imbedded in concrete prepared by the present invention, and forms array network, piezoelectric sensing element can by the stress in structure, should
Become change and be converted into signal of telecommunication output, thus realize the real-time monitoring of concrete material structure, when concrete component bears power
During load action, can directly imbed the piezoelectric transducer dynamic change with monitoring xoncrete structure in real time；Described selfreparing intelligence
Concrete is that the bone structure imitating animal is by post-traumatic regeneration, Restoration mechanism, employing repairing adhesive and concrete material
The method that material is compound mutually, has the function of selfreparing and regeneration to damage effect, recovers even to improve the one of material property
Kind of advanced composite material (ACM), its principle is the hollow fibre pipe of built-in full binding agent, hollow in concrete prepared by the present invention
Capsule, porous fibre net, after the tensions such as fiber pipe rupture, binding agent flows in distress in concrete and realizes self-healing；Described from
Regulation intelligent concrete is the compound intellectual material with driving function in concrete prepared by the present invention, and concrete can be made to have
There is self-adjusting ability, resist the ability of the various environmental activity such as earthquake, high wind, common driving functional material bag improving structure
Include marmem (SMA), electric current change/magnetic rheological body (ER/MR) etc.；The principle of described temp autocontrolled intelligent concrete is temperature
Degree change causes the temperature difference within resistance variations (temperature is resistive) and carbon fiber reinforced concrete can produce the pyroelectricity of potential difference, can be by carbon
Fiber concrete makes thermocouple, in xoncrete structure prepared by the embedment present invention, it is achieved monitored concrete inside configuration and building
The temperature of the Temperature Distribution and change, mass concrete of building thing surrounding certainly monitors, has temperature control and fire alarm to require
The automatic snow-meltings such as intelligent concrete structure, airfield runway, bridge, pavement of road and deicing, cold district concrete wall heat up
And premises heating；Described reflection is to add conduction in concrete of the present invention to strengthen Jie with the intelligent concrete of electromagnetic wave absorption
Matter such as chopped carbon fiber, the intelligent concrete that steel fibre is made can absorb and absorption of electromagnetic radiation, utilize intelligent concrete
This characteristic can develop EMI protection cover.To carbon fiber microfilament treated by ozone after mixing in concrete, not only can improve
The ability of concrete reflection electromagnetic wave, and the tensile strength of concrete can be improved, use this concrete as track two
Side navigation markup, can realize the navigation of high-speed automated highway.Electromagnetic wave transmitter on automobile is to the clearing mark of both sides, track
Note launch electromagnetic wave, through reflection, by automobile electromagnetic wave receiver receive, then by the computer system on automobile at
Reason, i.e. can determine whether and controls the vehicle line of automobile.This concrete is used to make navigation markup, its low cost, good reliability, accurate
Exactness is high.
The present invention is composite intelligent type component on the basis of the current original component of concrete, makes concrete material have certainly
Perception and memory, self adaptation, selfreparing and release souls from purgatory the multifunctional material of anti-powerful feature, it is possible to realize engineering material performance big across
More, there is the durability of superelevation and the mechanical property of superelevation, it is possible to effectively resist earthquake and defend drill-ground bomb, guided missile accurate
Hit；Good endurance of the present invention, after suitable arrangement of reinforcement, its mechanical property is close to firm structure, has excellent wear-resisting, antiknock simultaneously
Performance, is suitable for Large Span Bridges, explosion resistant structure (military engineering, bank vault etc.) and thin-wall construction, and is used in high mill
Erosion, high corrosive environment.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art is possessed, it is also possible on the premise of without departing from this patent objective
Various changes can be made.
Claims (3)
1. the intelligent concrete of a good endurance, it is characterised in that include according to the raw material of weight portion: portland cement 27-
38 parts, silicon ash 8.5-9.5 part, quartz sand 0-8 part, fine sand 39-41 part, metallic fiber 5.5-8 part, high efficiency water reducing agent 0.5-1 part,
Water 5.5-8 part.
The intelligent concrete of good endurance the most according to claim 1, it is characterised in that according to the raw material of percentage by weight
Including: portland cement 30-35 part, silicon ash 8.8-9.2 part, quartz sand 2-6 part, fine sand 39.5-40.5 part, metallic fiber 6.2-
7.2 parts, high efficiency water reducing agent 0.6-0.9 part, water 6.2-7.2 part.
The intelligent concrete of good endurance the most according to claim 1, it is characterised in that according to the raw material of percentage by weight
Including: portland cement 32 parts, silicon ash 9 parts, quartz sand 4 parts, fine sand 40 parts, metallic fiber 6.7 parts, high efficiency water reducing agent 0.75
Part, 6.7 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176403.0A CN105837114A (en) | 2016-03-25 | 2016-03-25 | Intelligent concrete being good in durability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610176403.0A CN105837114A (en) | 2016-03-25 | 2016-03-25 | Intelligent concrete being good in durability |
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| Publication Number | Publication Date |
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| CN105837114A true CN105837114A (en) | 2016-08-10 |
Family
ID=56583382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610176403.0A Pending CN105837114A (en) | 2016-03-25 | 2016-03-25 | Intelligent concrete being good in durability |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363966A (en) * | 2017-07-18 | 2017-11-21 | 浙江瑞高绿建科技有限公司 | A kind of carbon fiber reinforced concrete heat-insulation integral wallboard |
| CN108532833A (en) * | 2018-05-15 | 2018-09-14 | 长江大学 | A kind of regeneration concrete coupled column and preparation method thereof |
| CN108585670A (en) * | 2018-04-09 | 2018-09-28 | 福州市鸿生建材有限公司 | High-strength concrete and preparation method thereof is split in a kind of fire safe type antiknock |
| CN110849724A (en) * | 2019-11-23 | 2020-02-28 | 福州大学 | Probability imaging method for damage identification of fabricated concrete shear wall |
| CN117964306A (en) * | 2024-01-25 | 2024-05-03 | 黑龙江大学 | Graphite tailing superfine steel fiber cement-based self-sensing material and preparation method thereof |
Citations (3)
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|---|---|---|---|---|
| CN103274652A (en) * | 2013-06-20 | 2013-09-04 | 中建三局建设工程股份有限公司 | Reactive powder concrete for reinforcing buildings as well as preparation method and construction method thereof |
| CN103922650A (en) * | 2014-03-27 | 2014-07-16 | 创斯达科技集团(中国)有限责任公司 | High-compactness and ultrahigh-strength cement-based composite material for financial equipment in bank |
| CN105218002A (en) * | 2014-06-05 | 2016-01-06 | 镇江市船山第二水泥厂 | A kind of have from ultra high performance cementitious of perception repairing effect and preparation method thereof |
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2016
- 2016-03-25 CN CN201610176403.0A patent/CN105837114A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274652A (en) * | 2013-06-20 | 2013-09-04 | 中建三局建设工程股份有限公司 | Reactive powder concrete for reinforcing buildings as well as preparation method and construction method thereof |
| CN103922650A (en) * | 2014-03-27 | 2014-07-16 | 创斯达科技集团(中国)有限责任公司 | High-compactness and ultrahigh-strength cement-based composite material for financial equipment in bank |
| CN105218002A (en) * | 2014-06-05 | 2016-01-06 | 镇江市船山第二水泥厂 | A kind of have from ultra high performance cementitious of perception repairing effect and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363966A (en) * | 2017-07-18 | 2017-11-21 | 浙江瑞高绿建科技有限公司 | A kind of carbon fiber reinforced concrete heat-insulation integral wallboard |
| CN108585670A (en) * | 2018-04-09 | 2018-09-28 | 福州市鸿生建材有限公司 | High-strength concrete and preparation method thereof is split in a kind of fire safe type antiknock |
| CN108532833A (en) * | 2018-05-15 | 2018-09-14 | 长江大学 | A kind of regeneration concrete coupled column and preparation method thereof |
| CN108532833B (en) * | 2018-05-15 | 2020-04-07 | 长江大学 | Recycled concrete combined column and preparation method thereof |
| CN110849724A (en) * | 2019-11-23 | 2020-02-28 | 福州大学 | Probability imaging method for damage identification of fabricated concrete shear wall |
| CN117964306A (en) * | 2024-01-25 | 2024-05-03 | 黑龙江大学 | Graphite tailing superfine steel fiber cement-based self-sensing material and preparation method thereof |
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Application publication date: 20160810 |