CN107698214A - Possesses the non-golden underwater artificial marine habitat of muscle material of seawater sea sand of self-repair function - Google Patents
Possesses the non-golden underwater artificial marine habitat of muscle material of seawater sea sand of self-repair function Download PDFInfo
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- CN107698214A CN107698214A CN201710873317.XA CN201710873317A CN107698214A CN 107698214 A CN107698214 A CN 107698214A CN 201710873317 A CN201710873317 A CN 201710873317A CN 107698214 A CN107698214 A CN 107698214A
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- 239000000463 material Substances 0.000 title claims abstract description 70
- 239000004576 sand Substances 0.000 title claims abstract description 46
- 239000013535 sea water Substances 0.000 title claims abstract description 43
- 210000003205 muscle Anatomy 0.000 title claims abstract description 41
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 239000000835 fiber Substances 0.000 claims abstract description 38
- 239000011398 Portland cement Substances 0.000 claims abstract description 13
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 12
- 239000010881 fly ash Substances 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 101710107464 Probable pyruvate, phosphate dikinase regulatory protein, chloroplastic Proteins 0.000 claims abstract description 7
- 239000004918 carbon fiber reinforced polymer Substances 0.000 claims abstract description 7
- 102100040287 GTP cyclohydrolase 1 feedback regulatory protein Human genes 0.000 claims abstract description 6
- 101710185324 GTP cyclohydrolase 1 feedback regulatory protein Proteins 0.000 claims abstract description 6
- 241000251468 Actinopterygii Species 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 3
- 238000010257 thawing Methods 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 33
- 238000010276 construction Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/77—Artificial fishing banks or reefs of monolithic form, e.g. blocks
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
- A01K61/78—Arrangements for sinking or mooring thereof
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Artificial Fish Reefs (AREA)
Abstract
The invention discloses a kind of non-golden underwater artificial marine habitat of muscle material of seawater sea sand for possessing self-repair function, it is made up of non-golden muscle material and seawater sea sand high tenacity concrete, the non-golden muscle material is at least one of BFRP, CFRP, GFRP fibre composite reinforcement material, the seawater sea sand high tenacity concrete is made up of the following components of parts by weight, 20 30 parts of PVA fibers, 750 830 parts of one-level flyash, 500 551 parts of Portland cement, 380 415 parts of sea sand, 300 326 parts of seawater, 2.5 8.3 parts of high-efficiency water-reducing agent of poly-carboxylic acid.The present invention substitutes traditional reinforcing bar using non-golden muscle material and fundamentally solves the problems, such as the steel bar corrosion under sea, the concrete of the present invention is gathered materials on the spot, raw material are easy to get, and cost is low, good endurance, good toughness, deformability is strong, has the innoxious dispersibility in crack, shows excellent freezing-thawing resistance, it is strong with good shock resistance and good energy-dissipating property, damage self-regeneration function.
Description
Technical field
The present invention relates to submerged structure in a kind of ocean, more particularly to a kind of non-gold of seawater sea sand with self-repair function
The underwater artificial marine habitat of muscle material.
Background technology
The living space of the mankind, which has progressively been expanded to ocean, development ＆ construction ocean island, now is related to the sea of China's core
Foreign rights and interests.At present China Nansha seven, Tian Haizao islands islands and reefs (forever heat reef, Mei Jijiao, Huayang reef, Chi Guajiao, small piece of land surrounded by water Bi Jiao,
South smokes reef, east gate reef), influenceed to solve Tian Haizao islands to caused by marine ecology, we are necessary to implement Nansha with obligation
Islands and reefs marine ecology recovery project.Nansha Islands marine ecology recovery project, which can be repaired effectively, fills out the activity of making to the life of islands and reefs marine site
The damage of state environment, recovers the living marine resources in nearly island marine site, and reinforcing artificial islands and reefs makes it stand on forever among the South Sea.Win
Countries in the world are obtained to protect China and make good use of the accreditation of South China Sea living resources.
Wherein protection of the artificial fishing bank to marine organisms also plays the role of to get instant result.Artificial marine habitat is different from islands and reefs,
Artificial marine habitat is to belong to pure Underwater Engineering, and seawater corrosion performance is stronger, also suffers from the shock of ship in use, therefore, to material
The requirement of material is higher.The artificial marine habitat used at present mainly has artificial shipwreck to form fish shelter and utilizes armored concrete manufacture fish shelter
Mode, but Practical Project construction and use during find have following problem：
1st, the fish shelter built by the way of artificial shipwreck, the material of institute's shipwreck is mostly steel, perishable in the seawater,
Durability is unsatisfactory for requiring；Secondly the material discarded in hull is possible to pollute marine environment again；In addition, shipwreck is shallow
Haiti area may influence the navigation safety of ship.
If the 2nd, utilize traditional commodities concrete constructions fish shelter, the light sand scarcity of resources of fresh water in marine environment, it is impossible to meet
The Raw Material Demand of live high-volume mixing concrete；Directly also can according to seawater sea sand instead of the light sand concrete batching of fresh water
Corroded coarse aggregate therein, so as to cause the destruction of concrete structure；According to from interior ground transporting raw materials or commodity
The mode that concrete finished product is built to ocean island, the cycle is very long, and cost is higher, and feasibility is poor, it is impossible to meets that country is quick
The requirement of efficient Development control area ocean；Most importantly commerical ready-mixed concrete does not adapt to the high-alkali environment of high salt of seawater, slightly
Aggregate and reinforcing bar can be substantial, so as to cause structure not reach the requirement that design uses.And traditional concrete
Manufactured fish shelter, self-reparing capability is poor after the shock of ship, wave is subjected to.
The content of the invention
In order to solve the above-mentioned technical problem, the strong tool of a kind of good endurance of present invention offer, impact resistance, self-repairing capability
The non-golden underwater artificial marine habitat of muscle material of seawater sea sand of standby self-repair function.
To achieve these goals, technical scheme is as follows：It is a kind of possess self-repair function seawater sea sand it is non-
The golden underwater artificial marine habitat of muscle material, it is characterised in that：It is made up of non-golden muscle material and seawater sea sand high tenacity concrete, the non-golden muscle
Material is at least one of BFRP, CFRP, GFRP fibre composite reinforcement material, and the seawater sea sand high tenacity concrete is by parts by weight
Following components composition,
PVA fiber 20-30 parts, one-level flyash 750-830 parts, Portland cement 500-551 parts, sea sand 380-
415 parts, seawater 300-326 parts, high-efficiency water-reducing agent of poly-carboxylic acid 2.5-8.3 parts.
The problem of sand scarcity of resources light for marine environment fresh water of the invention, fresh water is replaced using seawater, using only sea sand
As fine aggregate, the admixtures such as flyash are added in concrete, improve the work of mixture using high-efficiency water-reducing agent of poly-carboxylic acid
Performance, incorporation PVA fibers, which are sufficiently stirred, causes fiber to be dispersed in matrix, forms new concrete.Using in ocean sea
The materials such as the seawater sea sand that can be drawn materials easily in island, the traffic expense from inland transhipment is not only saved, has been greatly reduced former material
The cost of material.It can adapt to and meet the high salt high-alkali deep-etching of ocean underwater environment completely in work in every performance and index
The requirement of adverse circumstances, suitably promoted the use of in the marine environment away from continent.
The fish shelter of the present invention eliminates coarse aggregate in traditional concrete, using mix dispersed PVA fibers from
And improving the internal structure of material, seawater sea sand does not have any unfavorable corrosiveness to PVA fibers, so as to thoroughly solve
Corrosion harmfulness of the seawater to concrete；The new concrete good toughness added after PVA fibers, deformability is strong, has well
Shock resistance and good energy-dissipating property；Due to the bridge linking effect of fiber, after this kind of concrete structure ftractures, weight occurs for internal force
Distribution is so that crack closure, therefore with preferably damage self-regeneration function, fish shelter can be made to be hit or sea by hull
Self closure of caused crack after wave invasion and attack.
Although secondly this fish shelter is free of coarse aggregate, its internal fiber forms the structure similar to " fiber mesh ", close
Solidity is high, material can be made to meet intensity requirement.The intensity of material can reach 20-55MPa, be entirely capable of meeting different engineering operating modes pair
The different requirements of the strength of materials.
The present invention using non-golden muscle material (fibre composite reinforcement material such as BFRP, CFRP, GFRP, three effective reinforcement materials can be used in mixed way,
Also can be used alone) substitute reinforcing bar in traditional fish shelter, can fundamentally solve steel bars corrosion problem, so that this Novel fish
Reef has more preferable applicability and durability.There is more good caking property between non-golden muscle material and the concrete of the present invention
Energy.We have carried out experimental study and the theory analysis of correlation to fish reef structure component, the results showed that this new material
Combining structure has outstanding every stress performance, is entirely capable of the requirement for meeting structure.
In such scheme：The Portland cement is the cement of P.O 42.5.
In such scheme：The modulus of fineness of the sea sand is 1.5-3.5.
In such scheme：The preparation method of the concrete is：First by one-level flyash, Portland cement and sea sand
Mixer is poured into, stirring adds seawater and high-efficiency water-reducing agent of poly-carboxylic acid wet-mixing 4-6min, be eventually adding to being sufficiently mixed uniformly
PVA fibers continue stirring until fiber is uniformly dispersed.
It is preferred that：It is 8-10min to add the time that PVA fibers continue to stir.The present invention is not required to special stirring technique, construction
It is convenient, there is good economical and high efficiency.
In such scheme：The shape triangle or truncated cone-shaped of the fish shelter.Can also be according to being actually needed flexible design.
Beneficial effect：The present invention substitutes traditional reinforcing bar using non-golden muscle material and fundamentally solves the steel bar corrosion under sea
Problem, concrete of the invention are gathered materials on the spot, and raw material are easy to get, and cost is low, and good endurance, good toughness, deformability is strong, have
The innoxious dispersibility in crack, shows excellent freezing-thawing resistance, has good shock resistance and good power consumption
Can, damage self-regeneration function is strong.
Brief description of the drawings
Fig. 1 is the load-disturb line chart of writing music of the concrete structure of the present invention.
Fig. 2 is the concrete of the present invention by curved test specimen simple bending section crack progressing aspect graph.
Fig. 3 is the concrete test block compression damage figure of the present invention.
Fig. 4 is the bond-slip curve of concrete.
Fig. 5 is the artificial marine habitat schematic cross-section and crack autogenous healing schematic diagram of the construction of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Embodiment 1
Possesses the non-golden underwater artificial marine habitat of muscle material of seawater sea sand of self-repair function, by non-golden muscle material and seawater sea sand high-ductility
Property concrete is made.
Seawater sea sand high tenacity concrete is made up of the following components of parts by weight：
20 parts of PVA fibers, 750 parts of one-level flyash, 500 parts of 42.5 Portland cements of P.O, 380 parts of sea sand, sea
300 parts of water, 2.5 parts of high-efficiency water-reducing agent of poly-carboxylic acid.
One-level flyash, Portland cement and sea sand are first poured into mixer, stirring is uniform to being sufficiently mixed, then adds
Enter seawater and high-efficiency water-reducing agent of poly-carboxylic acid wet-mixing 4-6min, PVA fibers are added after mixing fluidised form and reaching perfect condition and continue to stir
8-10min is mixed until fiber is uniformly dispersed.
Non- golden muscle material is BFRP fibre composite reinforcement materials.
Non- golden muscle material is placed in mould and then casting concrete obtains truncated cone-shaped fish shelter.
Embodiment 2
Possess the non-golden underwater fish shelter of muscle material of seawater sea sand of self-repair function, mixed by non-golden muscle material and seawater sea sand high tenacity
Solidifying soil is made.
Seawater sea sand high tenacity concrete is made up of the following components of parts by weight：
30 parts of PVA fibers, 830 parts of one-level flyash, 551 parts of 42.5 Portland cements of P.O, 415 parts of sea sand, sea
326 parts of water, 8.3 parts of high-efficiency water-reducing agent of poly-carboxylic acid.
The modulus of fineness of sea sand is 1.5-3.5.
One-level flyash, Portland cement and sea sand are first poured into mixer, stirring is uniform to being sufficiently mixed, then adds
Enter seawater and high-efficiency water-reducing agent of poly-carboxylic acid wet-mixing 4-6min, PVA fibers are added after mixing fluidised form and reaching perfect condition and continue to stir
8-10min is mixed until fiber is uniformly dispersed.
Non- golden muscle material is CFRP fibre composite reinforcement materials.
Non- golden muscle material is placed in mould and then casting concrete obtains triangular prism shaped fish shelter.
Embodiment 3
Possess the non-golden underwater fish shelter of muscle material of seawater sea sand of self-repair function, mixed by non-golden muscle material and seawater sea sand high tenacity
Solidifying soil is made.
Seawater sea sand high tenacity concrete is made up of the following components of parts by weight：
28 parts of PVA fibers, 820 parts of one-level flyash, 530 parts of 42.5 Portland cements of P.O, 400 parts of sea sand, sea
310 parts of water, 5.2 parts of high-efficiency water-reducing agent of poly-carboxylic acid.
The modulus of fineness of sea sand is 1.5-3.5.
One-level flyash, Portland cement and sea sand are first poured into mixer, stirring is uniform to being sufficiently mixed, then adds
Enter seawater and high-efficiency water-reducing agent of poly-carboxylic acid wet-mixing 4-6min, PVA fibers are added after mixing fluidised form and reaching perfect condition and continue to stir
8-10min is mixed until fiber is uniformly dispersed.
Non- golden muscle material is BFRP, CFRP, GFRP fibre composite reinforcement material.
Non- golden muscle material is placed in mould and then casting concrete obtains triangular prism shaped fish shelter.
Mechanical test is done to the concrete of the present invention：
(1) quasi- strain hardening characteristic
During tension, after there is incipient crack, with new fine and closely woven crack is continuously generated, stress can be with strain
Increase and continue to be slowly increased.The load-deflection curves (Fig. 1) of test specimen have intuitively reflected deformation-hardening of the material
Feature, on curve fluctuation correspond to the appearance in crack on test specimen；For there is bending load-amount of deflection of obvious deformation-hardening characteristics
Curve, three phases can be divided into：Elastic stage, strain hardening stage or crack extension phase and failure stage.
(2) there is the innoxious scattered and self-reparing capability in crack
As shown in Fig. 2 material uniformly generates a plurality of fine and closely woven crack in tension, maximum crack width is much smaller than 0.1mm, and
Because the bridge linking effect of fiber can allow crack self to close, have the function that reparation, as shown in Figure 5.
(3) there is good deformability
Under uniaxial direct tensile load action, ultimate tensile strength is up to 1%--3%, significantly larger than conventional concrete.
(4) as shown in figure 3, material compression damage form, similar normal concrete will not occur collapses broken form, after destruction
Also there is good integrality, in destructive process, fiber can absorb big energy, add the toughness of material so that material
Material also has good shock resistance while proof strength, also has higher integrality after destruction.
Non- golden muscle material (fibre composite reinforcement material such as BFRP, CFRP, GFRP) substitutes concrete-steel in traditional fish shelter, can be from basic
Upper solution steel bars corrosion problem, so that this fish shelter has more preferable applicability and durability.Non- golden muscle material have high intensity,
The features such as corrosion-resistant, good solenoid isolation, non-golden muscle timber-used not only can preferably be met in fish shelter with substituting reinforcing bar
The requirement for bearing capacity of structure, can also thoroughly solve the endurance issues of ocean Underwater Engineering.
Good adhesive property is muscle material and the cooperative premise of concrete.Research has shown that used by this technology
Bonding-sliding curve (as shown in Figure 4) of concrete can be divided into microslip section, non-linear sliding section, bond damage section with
Section four-stage drops, and the ascent stage of its bonding-sliding curve more relaxes than concrete of fibre tendon, due to the bridge linking effect of fiber
The development in crack can be suppressed, reduced in drawing process to harmful effect caused by muscle material adhesive surface so that the bonding of muscle material
Stress remains to keep a larger numerical value after crack developing, there is more good glue between non-golden muscle material and the concrete
Tie performance.
The present invention is not limited to above-mentioned specific embodiment, it will be appreciated that one of ordinary skill in the art is without creative
Work can makes many modifications and variations according to the design of the present invention.In a word, all technician in the art are according to this
The design of invention passes through the available technical side of logical analysis, reasoning, or a limited experiment on the basis of existing technology
Case, all should be in the protection domain being defined in the patent claims.
Claims (6)
- A kind of 1. non-golden underwater artificial marine habitat of muscle material of seawater sea sand for possessing self-repair function, it is characterised in that：By non-golden muscle material It is made with seawater sea sand high tenacity concrete, the non-golden muscle material is at least one in BFRP, CFRP, GFRP fibre composite reinforcement material Kind, the seawater sea sand high tenacity concrete is made up of the following components of parts by weight,PVA fiber 20-30 parts, one-level flyash 750-830 parts, Portland cement 500-551 parts, sea sand 380-415 parts, Seawater 300-326 parts, high-efficiency water-reducing agent of poly-carboxylic acid 2.5-8.3 parts.
- 2. the non-golden underwater artificial marine habitat of muscle material of the seawater sea sand for possessing self-repair function according to claim 1, its feature exist In：The Portland cement is the cement of P.O 42.5.
- 3. the non-golden underwater artificial marine habitat of muscle material of the seawater sea sand for possessing self-repair function according to claim 1, its feature exist In：The modulus of fineness of the sea sand is 1.5-3.5.
- 4. the non-golden underwater artificial marine habitat of muscle material of the seawater sea sand for possessing self-repair function according to claim any one of 1-3, It is characterized in that：The preparation method of the concrete is：One-level flyash, Portland cement and sea sand are first poured into stirring Machine, stirring add seawater and high-efficiency water-reducing agent of poly-carboxylic acid wet-mixing 4-6min, are eventually adding PVA fibers to being sufficiently mixed uniformly Continue stirring until fiber is uniformly dispersed.
- 5. the non-golden underwater artificial marine habitat of muscle material of the seawater sea sand for possessing self-repair function according to claim 4, its feature exist In：It is 8-10min to add the time that PVA fibers continue to stir.
- 6. the non-golden underwater artificial marine habitat of muscle material of the seawater sea sand for possessing self-repair function according to claim 5, its feature exist In：The fish shelter is shaped as triangle or truncated cone-shaped.
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| CN201710873317.XA CN107698214A (en) | 2017-09-25 | 2017-09-25 | Possesses the non-golden underwater artificial marine habitat of muscle material of seawater sea sand of self-repair function |
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| CN201710873317.XA CN107698214A (en) | 2017-09-25 | 2017-09-25 | Possesses the non-golden underwater artificial marine habitat of muscle material of seawater sea sand of self-repair function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109956711A (en) * | 2019-04-08 | 2019-07-02 | 河海大学 | A kind of preparation method of high strength anti-corrosion concrete and its prefabricated components |
| CN112960951A (en) * | 2021-03-01 | 2021-06-15 | 中冶建筑研究总院有限公司 | Precast structure combined by concrete and fiber composite bars and concrete preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103467048A (en) * | 2013-09-16 | 2013-12-25 | 福州大学 | Artificial fish reef concrete and preparation method thereof |
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| CN112960951A (en) * | 2021-03-01 | 2021-06-15 | 中冶建筑研究总院有限公司 | Precast structure combined by concrete and fiber composite bars and concrete preparation method |
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