CN110054452A - A kind of seawater sea sand fire resisting corrosion resistant concrete and preparation method thereof - Google Patents

A kind of seawater sea sand fire resisting corrosion resistant concrete and preparation method thereof Download PDF

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Publication number
CN110054452A
CN110054452A CN201811615606.0A CN201811615606A CN110054452A CN 110054452 A CN110054452 A CN 110054452A CN 201811615606 A CN201811615606 A CN 201811615606A CN 110054452 A CN110054452 A CN 110054452A
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CN
China
Prior art keywords
sea sand
seawater
corrosion resistant
fire resisting
concrete
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Pending
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CN201811615606.0A
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Chinese (zh)
Inventor
李伟华
曹文凯
刘法谦
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Sun Yat Sen University
National Sun Yat Sen University
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National Sun Yat Sen University
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Priority to CN201811615606.0A priority Critical patent/CN110054452A/en
Publication of CN110054452A publication Critical patent/CN110054452A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245—Curing concrete articles
    • 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
    • C04B2111/00017—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
    • 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
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures

Abstract

The invention discloses a kind of seawater sea sand fire resisting corrosion resistant concrete and preparation method thereof, the raw material for preparing of the fire resisting corrosion resistant concrete includes: cement, silicon ash, ground granulated blast furnace slag, fly ash micro-sphere, chloride ion inhibitor, sea sand, steel fibre, water-reducing agent and seawater.Preparation method is stirred evenly cement, silicon ash, fly ash micro-sphere, ground granulated blast furnace slag, chloride ion inhibitor, steel fibre mixture and with blender, sea sand is added to continue to stir evenly, add seawater and water-reducing agent, the stirring of low frequency high speed machine is until stir evenly, obtain concrete mortar, after casting demoulding be placed in 85 DEG C, humidity 95% conserve 48h be perhaps placed in 20 DEG C, humidity 95% conserve 28d maintenance terminate using high temperature drying or natural air drying to obtain the final product.Concrete of the invention have fire resistance is good, the resistance of concrete to chloride ion penetration is high, working performance is good, be suitble to promote and apply.

Description

A kind of seawater sea sand fire resisting corrosion resistant concrete and preparation method thereof
Technical field
The present invention relates to building material technical fields, anti-corrosion mixed more particularly, to a kind of high-performance seawater sea sand fire resisting Solidifying soil.
Background technique
Concrete is one of the present age most important civil engineering material referred to as " silicon ".And concrete is many kinds of, with right The raising of construction quality, the strong functional concrete such as compression strength is high, and durability is good are more received by the market.Refractory concrete It is exactly one of them, traditional refractory concrete is that refractory aggregate modification is added in concrete and obtains, and fire resisting effect is poor, simultaneously Concrete strength changes little.Existing concrete its to pour the time long, lead to long construction period, reduce construction efficiency, and And the requirement of some hot environments is also not achieved in existing concrete heat resisting temperature, compression strength, anti-chlorine salt corrosive nature are difficult to Meet the requirement under complicated harsh environment.
The high temperature resistant of traditional portland concrete, fire resistance are unsatisfactory.Under the high temperature action of fire, coagulation The change of soil material each side surface properties is so that stresses re-distribution occurs for component and inside configuration, to reduce the property of structural elements Can, jeopardize integrally-built safety.Under fire, the material composition in concrete can react because of high temperature as the temperature rises And change, to directly affect the mechanical property and thermal property of concrete.Therefore, increasing the same of concrete fire resistance When, it is also necessary to guarantee the mechanical performance of concrete.
The main source of building sand is river sand, but the supply of river sand the factors such as is influenced by resource and environment and limited, nothing Method fully meets the demand of construction, and preparing anti-corrosion maritime concrete using seawater sea sand abundant is a kind of novel thinking, but It is to face following problem among these: contains a large amount of villaumite, the presence of villaumite, in the electrochemical corrosion of reinforcing bar in seawater sea sand The effect of Cheng Zhongqi catalyst, can be thinned the alkaline passivation film on concrete reinforcement surface, and reinforcing bar is promoted to corrode, and cause to mix Solidifying soil durability reduces.The Large Infrastructure Projects of coastal area build military service Yu Haiyang harsh environment, due to being chronically at dry and wet Cooperate under using with salt fog lotus root, the erosion ion diffusion rates in seawater are accelerated, and the corrosion of reinforcing bar, the cementing energy of concrete are accelerated Power is degenerated.In view of the above problems, there is an urgent need for provide a kind of preparation side of novel anti-corrosion maritime concrete of seawater sea sand fire resisting Method enables the service life of building to extend, preferably the harsh environments such as military service Yu Haiyang.
Summary of the invention
The existing concrete construction period is long, fire resistance is poor, precenting chlorate corrosion performance is low, pressure resistance in order to solve by the present invention The problems such as degree difference, a kind of fire resisting corrosion resistant concrete is provided, the Cost of Concrete is lower, raw material obtain on the spot, construction period It is short.
The first purpose of this invention is to mention a kind of seawater sea sand fire resisting corrosion resistant concrete altogether.
A second object of the present invention is to provide the preparation methods of the seawater sea sand fire resisting corrosion resistant concrete.
Above-mentioned purpose of the invention is to give realization by the following technical programs:
A kind of high-performance seawater sea sand refractory concrete, include following component raw material: cement, silicon ash, ground granulated blast furnace slag, Fly ash micro-sphere, chloride ion inhibitor, sea sand, steel fibre, water-reducing agent and seawater.
Preferably, the concrete is made of each raw material component of following parts by weight: 40~50 parts of cement, silicon ash 10 ~20 parts, 20~40 parts of fly ash micro-sphere, 10~20 parts of ground granulated blast furnace slag, 0.5~10 part of chloride ion inhibitor, sea sand 100~ 140 parts, 10~20 parts of steel fibre, 2~10 parts of water-reducing agent, 10~20 parts of seawater.
Wherein, the chloride ion inhibitor is chitosan oligosaccharide.
Preferably, the cement is 42.5 cement of P.O.
Preferably, the silicon ash is superfine silicon dioxide micro mist, specific surface area >=20000m2/ kg, SiO2Mass content >=95%, 28d activity index >=120%, loss on ignition≤5%.
Silicon ash is the SiO that pyrolytic semlting generates2With the oxygen rapid oxidation in Si gas and air and condense the tool of formation There is the amorphous superfine active silicon ash of pozzolanic, be a kind of industry byproduct, is remarkably improved resistance to compression, anti-folding, impervious, anti-corrosion And wearability.
Preferably, the fly ash micro-sphere is cenosphere, loss on ignition≤3.5%, water demand ratio >=85%, spheric granules Mass content >=96%.
Fly ash micro-sphere is thermal power plant from the fine ash under catching in the flue gas after coal combustion, is that coal-burning power plant is discharged Primary solids waste material can improve cement-based material water absorption rate, improve compression strength and impermeability.
Preferably, the ground granulated blast furnace slag is S95 grades of miberal powders, Al2O3Mass content >=15%, specific surface area >= 440m2/ kg, 28 days activity index >=95%.
Preferably, the sea sand fineness modulus is 2.3~2.8, and clay content is less than 1.0%, and mica content is less than 1.0%.
Preferably, the steel fibre is flat type copper facing steel fibre, and fibre length 13mm, fibre diameter 0.2mm, fiber is long Diameter is than 65, tensile strength >=2850MPa.
Preferably, the water-reducing agent is polycarboxylate water-reducer.
Polycarboxylate water-reducer is a kind of novel environment friendly high-efficiency water-reducing agent, and liquid is light yellow transparent liquid, and main component is The polycarboxylic acid polymer series of products that molecular weight is 5000~50000, water-reducing rate reaches 35~40% when volume is 2% or so.
Preferably, the seawater be it is artificial prepare seawater, preparation method is to mix 1 part of coarse sea salt with 20 parts of distilled water It closes, stirring to coarse sea salt is completely dissolved, and the chloride ion content that gained manually prepares seawater is 3.5%.
The preparation method of high-performance seawater sea sand refractory concrete of the present invention, comprising the following steps:
S1. it is spare to weigh each raw material component；
S2. cement, silicon ash, fly ash micro-sphere, ground granulated blast furnace slag, erosion carbon dioxide inhibitor, steel fibre mixture are used in combination Blender stirs evenly, and sea sand is added and continues to stir evenly, adds seawater and water-reducing agent, and high frequency low-speed machinery stirring 8~ 10min obtains seawater sea sand fire resisting corrosion resistant concrete slurry up to stirring evenly；
S3. by demoulding after the casting for 24 hours of concrete mortar that step S2 is obtained is subsequently placed in 20 DEG C~85 DEG C, humidity 95% supports 48h~28d is protected, then natural air drying or 105 DEG C of environment high temperatures drying 7d is placed in, prepares the anti-corrosion coagulation of seawater sea sand fire resisting Soil.
Specifically, by demoulding after the casting for 24 hours of concrete mortar that step S2 is obtained is subsequently placed in 85 DEG C, humidity 95% conserves 48h, then natural air drying, prepares seawater sea sand fire resisting corrosion resistant concrete；
Or the concrete mortar casting rear demoulding for 24 hours that step S2 is obtained is subsequently placed in 85 DEG C, the maintenance 48h of humidity 95%, 105 DEG C of environment high temperature drying 7d are subsequently placed in, seawater sea sand fire resisting corrosion resistant concrete is prepared；
Or by the casting of concrete mortar that step S2 is obtained be placed on 20 DEG C, humidity 95% conserve 28d, then natural wind It is dry, prepare seawater sea sand fire resisting corrosion resistant concrete；
Or the concrete mortar casting that step S2 is obtained is placed on 20 DEG C, the maintenance 28d of humidity 95%, it is subsequently placed in 105 DEG C environment high temperature dries 7d, prepares seawater sea sand fire resisting corrosion resistant concrete.
The principle that seawater sea sand fire resisting corrosion resistant concrete of the present invention uses are as follows:
1, it is arranged in pairs or groups using cement and mixes admixture (silicon ash, fly ash micro-sphere and ground granulated blast furnace slag) as mixing cementitious material. Silicon ash and ground granulated blast furnace slag are as the hydrated product after the mineral admixture reaction of high aluminum-containing phase, because of its biggish specific surface area, It can provide more ionic adsorption sites, increase the physical absorption to free chloride ion and external erosion carbon dioxide, contain aluminium Phase mineral can realize the chemisorption of chloride ion, and then effectively prevent the corrosion of reinforcing bar with free chloride ion chemical consolidation. On the one hand fly ash micro-sphere has spheroid form, ball effect improves the mobility of concrete, improve concrete and easy Property；On the other hand there is potential hydraulic gelling property, the secondary volcano ash effect in later period can reduce Ca (OH)2It is dense Degree, effectively prevent the enrichment in Behavior of Hardened Cement Paste and aggregate Interface transition region, improves the interface binding intensity of concrete.
2, chitosan oligosaccharide is water solubility is preferable, function is big, bioactivity is high low point as erosion carbon dioxide inhibitor Son amount product.Under capable of preventing carbon steel material and its reinforcing bar product in concrete environment or corresponding alkaline condition, with seawater or The corrosion electrochemistry reaction local corrosion and general corrosion occurred when villaumite contacts in sodium chloride solution.
3, low water binder ratio and high efficiency water reducing agent, low water binder ratio keep cement-based material more closely knit and are not susceptible to isolate, Folk prescription water consumption is reduced, water-cement ratio is reduced, improves the anti-permeability performance of concrete, effectively inhibits the erosion of chloride ion, efficient diminishing The use of agent can guarantee that slurry has certain slump, convenient for construction while reducing water consumption.
4,85 DEG C of steam curing promotes hydrated cementitious, accelerates pozzolanic reaction rate, is rapidly achieved concrete scheduled Mechanics and workability.
Compared with prior art, the invention has the following advantages:
(1) the mixing cementitious material of seawater sea sand fire resisting corrosion resistant concrete of the present invention fully and rationally uses various mineral products moneys Source and production waste material, economize on resources.
(2) use of chloride ion inhibitor prevents carbon steel material and its reinforcing bar product in concrete environment or corresponding Under alkaline condition, the corrosion electrochemistry occurred when being contacted with villaumite in seawater or sodium chloride solution react local corrosion and comprehensively Corrosion, improves the corrosion resistance of chloride ion ability of concrete.
(3) low water binder ratio and high efficiency water reducing agent keep cement-based material more closely knit and are not susceptible to isolate, and reduce folk prescription Water consumption improves the fire resistance and mechanical property of concrete, effectively inhibits the erosion of ion, and the use of high efficiency water reducing agent can be protected Demonstrate,proving slurry has certain slump, convenient for construction while reducing water consumption.
(4) 85 DEG C of steam curings promote hydrated cementitious, accelerate pozzolanic reaction rate, are rapidly achieved concrete predetermined Mechanics and workability；
(5) the maintenance later period using 105 DEG C of high temperature drying, eliminates the extra moisture of inside concrete, makes concrete fire resisting Performance is improved.
Specific embodiment
Further illustrate the present invention below in conjunction with specific embodiment, but embodiment the present invention is not done it is any type of It limits.Unless stated otherwise, the present invention uses reagent, method and apparatus is the art conventional reagents, method and apparatus.
Unless stated otherwise, following embodiment agents useful for same and material are commercially available.
In following embodiment, Residual Compressive Strength parameter and drying compression strength parameter are by JGJ-T-23-2001 Method measures, concrete crushing strength according to GB/T 50081-2002 " standard for test methods of mechanical properties of ordinary concrete " into Row, concrete the resistance of concrete to chloride ion penetration RCM method is according to GB/T 50082-2009 " normal concrete long-term behaviour and durability Energy test method standard " it carries out.
Embodiment 1
A kind of seawater sea sand fire resisting corrosion resistant concrete material, is prepared using following methods:
Step 1, following raw material for standby: 40 parts of cement, 15 parts of silicon ash, 25 parts of fly ash micro-sphere, blast furnace is weighed by weight 20 parts of slag powders, 2 parts of chitosan oligosaccharide, 110 parts of sea sand, 18 parts of steel fibre, 5 parts of water-reducing agent, 12 parts of seawater.
Step 2, by cement, silicon ash, fly ash micro-sphere, ground granulated blast furnace slag, chitosan oligosaccharide, steel fibre mixture and with stirring in proportion The machine of mixing stirs evenly, be added sea sand continue to stir evenly, add seawater and water-reducing agent high frequency low-speed machinery stirring 8~ Seawater sea sand fire resisting corrosion resistant concrete slurry is made until stirring evenly in 10min.
Step 3, demoulding after concrete mortar casting for 24 hours is subsequently placed in 85 DEG C, the maintenance 48h of humidity 95%, then nature It air-dries, prepares seawater sea sand fire resisting corrosion resistant concrete.
Embodiment 2
A kind of seawater sea sand fire resisting corrosion resistant concrete material, is prepared using following methods:
Step 1, following raw material for standby: 40 parts of cement, 15 parts of silicon ash, 25 parts of fly ash micro-sphere, blast furnace is weighed by weight 20 parts of slag powders, 2 parts of chitosan oligosaccharide, 110 parts of sea sand, 18 parts of steel fibre, 5 parts of water-reducing agent, 12 parts of seawater.
Step 2, by cement, silicon ash, fly ash micro-sphere, ground granulated blast furnace slag, chitosan oligosaccharide, steel fibre mixture and with stirring in proportion The machine of mixing stirs evenly, be added sea sand continue to stir evenly, add seawater and water-reducing agent high frequency low-speed machinery stirring 8~ Seawater sea sand fire resisting corrosion resistant concrete slurry is made until stirring evenly in 10min.
Step 3, by demoulding after the casting for 24 hours of concrete mortar that step 2 obtains is subsequently placed in 85 DEG C, humidity 95% conserves 48h is subsequently placed in 105 DEG C of environment high temperature drying 7d, prepares seawater sea sand fire resisting corrosion resistant concrete.
Embodiment 3
A kind of seawater sea sand fire resisting corrosion resistant concrete material, is prepared using following methods:
Step 1, following raw material for standby: 40 parts of cement, 15 parts of silicon ash, 25 parts of fly ash micro-sphere, blast furnace is weighed by weight 20 parts of slag powders, 2 parts of chitosan oligosaccharide, 110 parts of sea sand, 18 parts of steel fibre, 5 parts of water-reducing agent, 12 parts of seawater.
Step 2, by cement, silicon ash, fly ash micro-sphere, ground granulated blast furnace slag, chitosan oligosaccharide, steel fibre mixture and with stirring in proportion The machine of mixing stirs evenly, be added sea sand continue to stir evenly, add seawater and water-reducing agent high frequency low-speed machinery stirring 8~ Seawater sea sand fire resisting corrosion resistant concrete slurry is made until stirring evenly in 10min.
Step 3, concrete mortar casting is placed on 20 DEG C, the maintenance 28d of humidity 95%, then natural air drying, is prepared Seawater sea sand fire resisting corrosion resistant concrete.
Embodiment 4
A kind of seawater sea sand fire resisting corrosion resistant concrete material, is prepared using following methods:
Step 1, following raw material for standby: 40 parts of cement, 15 parts of silicon ash, 25 parts of fly ash micro-sphere, blast furnace is weighed by weight 20 parts of slag powders, 2 parts of chitosan oligosaccharide, 110 parts of sea sand, 18 parts of steel fibre, 5 parts of water-reducing agent, 12 parts of seawater.
Step 2, by cement, silicon ash, fly ash micro-sphere, ground granulated blast furnace slag, chitosan oligosaccharide, steel fibre mixture and with stirring in proportion The machine of mixing stirs evenly, be added sea sand continue to stir evenly, add seawater and water-reducing agent high frequency low-speed machinery stirring 8~ Seawater sea sand fire resisting corrosion resistant concrete slurry is made until stirring evenly in 10min.
Step 3, concrete mortar casting is placed on 20 DEG C, the maintenance 28d of humidity 95%, be subsequently placed in 105 DEG C of environment High temperature dries 7d, prepares seawater sea sand fire resisting corrosion resistant concrete.
The different embodiment concrete properties contrast tables of table 1
As it can be seen that concrete of the invention have very high mechanical property, and after high temperature still have must compression strength it is residual It stays, the resistance of concrete to chloride ion penetration shows very strong resistivity, and fire resistance is excellent, wherein after steam curing at high temperature drying The test specimen performance of reason is best.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the inventive concept of invention, it is used in other indirectly using equivalent structure transformation made by present specification, or directly Relevant technical field is included in scope of patent protection of the invention.

Claims (10)

1. a kind of seawater sea sand fire resisting corrosion resistant concrete, which is characterized in that include following component raw material: cement, silicon ash, blast furnace Slag powders, fly ash micro-sphere, chloride ion inhibitor, sea sand, steel fibre, water-reducing agent and seawater.
2. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that by each of following parts by weight Raw material components are prepared: 40~50 parts of cement, 10~20 parts of silicon ash, and 20~40 parts of fly ash micro-sphere, ground granulated blast furnace slag 10~ 20 parts, 0.5~10 part of chloride ion inhibitor, 100~140 parts of sea sand, 10~20 parts of steel fibre, 2~10 parts of water-reducing agent, seawater 10 ~20 parts.
3. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that the chloride ion inhibitor is Chitosan oligosaccharide.
4. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that the cement is P.O 42.5 Cement.
5. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that the silicon ash is ultra-fine dioxy SiClx micro mist.
6. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that the fly ash micro-sphere is sky Heart microballon.
7. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that the ground granulated blast furnace slag is S95 grades of miberal powders, Al2O3Mass content >=15%, specific surface area >=440m2/ kg, 28 days activity index >=95%.
8. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that the sea sand fineness modulus is 2.3~2.8, clay content is less than 1.0%, and mica content is less than 1.0%.
9. seawater sea sand fire resisting corrosion resistant concrete according to claim 1, which is characterized in that the steel fibre is flat type Copper facing steel fibre.
10. the preparation method of seawater sea sand fire resisting corrosion resistant concrete according to any one of claims 1 to 9, it is characterised in that: packet Include following steps:
S1. it is spare to weigh each raw material component；
S2. by cement, silicon ash, fly ash micro-sphere, ground granulated blast furnace slag, erosion carbon dioxide inhibitor, steel fibre mixture and with stir Machine stirs evenly, and sea sand is added and continues to stir evenly, and adds seawater and water-reducing agent, it is straight that high frequency low-speed machinery stirs 8~10min To stirring evenly, seawater sea sand fire resisting corrosion resistant concrete slurry is obtained；
S3. the concrete mortar casting rear demoulding for 24 hours that step S2 is obtained is subsequently placed in 20 DEG C~85 DEG C, the maintenance of humidity 95% 48h Then~28d natural air drying or is placed in 105 DEG C of environment high temperatures drying 7d, prepares seawater sea sand fire resisting corrosion resistant concrete.
CN201811615606.0A 2018-12-27 2018-12-27 A kind of seawater sea sand fire resisting corrosion resistant concrete and preparation method thereof Pending CN110054452A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109776039A (en) * 2019-03-20 2019-05-21 湖南鑫长胜材料科技有限公司 A kind of modified geo-polymer maritime concrete and preparation method
CN110498656A (en) * 2019-08-29 2019-11-26 武汉大学 Seawater sea sand cement-base composite material of curing of chloride ion and preparation method thereof
CN111499304A (en) * 2020-04-28 2020-08-07 江苏绿材谷新材料科技发展有限公司 Alkali-resistant basalt fiber reinforced seawater sea sand concrete and preparation method thereof
CN111848024A (en) * 2020-06-16 2020-10-30 中交第三公路工程局有限公司 High-strength large-volume concrete and preparation method thereof
CN112759306A (en) * 2020-12-31 2021-05-07 中铁十八局集团有限公司 Fly ash-based chlorine salt resistant mortar and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106904911A (en) * 2017-03-16 2017-06-30 海南瑞泽新型建材股份有限公司 A kind of anti-corrosion maritime concrete of sea sand and preparation method thereof
CN108689629A (en) * 2018-05-30 2018-10-23 中国科学院海洋研究所 A kind of organic reinforced concrete anti-corrosion admixture and its application
CN108947412A (en) * 2018-09-05 2018-12-07 河海大学 A kind of ecology resistance anti-corrosion maritime concrete of rust type seawater sea sand and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106904911A (en) * 2017-03-16 2017-06-30 海南瑞泽新型建材股份有限公司 A kind of anti-corrosion maritime concrete of sea sand and preparation method thereof
CN108689629A (en) * 2018-05-30 2018-10-23 中国科学院海洋研究所 A kind of organic reinforced concrete anti-corrosion admixture and its application
CN108947412A (en) * 2018-09-05 2018-12-07 河海大学 A kind of ecology resistance anti-corrosion maritime concrete of rust type seawater sea sand and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109776039A (en) * 2019-03-20 2019-05-21 湖南鑫长胜材料科技有限公司 A kind of modified geo-polymer maritime concrete and preparation method
CN110498656A (en) * 2019-08-29 2019-11-26 武汉大学 Seawater sea sand cement-base composite material of curing of chloride ion and preparation method thereof
CN111499304A (en) * 2020-04-28 2020-08-07 江苏绿材谷新材料科技发展有限公司 Alkali-resistant basalt fiber reinforced seawater sea sand concrete and preparation method thereof
CN111848024A (en) * 2020-06-16 2020-10-30 中交第三公路工程局有限公司 High-strength large-volume concrete and preparation method thereof
CN112759306A (en) * 2020-12-31 2021-05-07 中铁十八局集团有限公司 Fly ash-based chlorine salt resistant mortar and preparation method thereof

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