CN107032714A - A kind of coastal structure cement of anti-corrosion and high strength and preparation method thereof - Google Patents
A kind of coastal structure cement of anti-corrosion and high strength and preparation method thereof Download PDFInfo
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- CN107032714A CN107032714A CN201710290320.9A CN201710290320A CN107032714A CN 107032714 A CN107032714 A CN 107032714A CN 201710290320 A CN201710290320 A CN 201710290320A CN 107032714 A CN107032714 A CN 107032714A
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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
- C04B28/06—Aluminous 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/10—Accelerators; Activators
- C04B2103/12—Set accelerators
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/61—Corrosion inhibitors
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
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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
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to coastal structure cement of a kind of anti-corrosion and high strength and preparation method thereof, in parts by weight, include the raw material of following parts by weight:30 40 parts of sulphoaluminate cement clinker;5 10 parts of silica flour;5 10 parts of gypsum, 20 30 parts of quartz sand, 0.1 0.5 parts of silicon nitride, 10 20 parts of Titanium slag, 13 parts of water reducer, 13 parts of composite high-early strength preservative.The coastal structure cement of the present invention has the premium properties such as high-strength, fine and close, impervious, resistant to sea water corrodes, sea water resistance washes away, and is particularly suitable for use in underground, harbour, harbour and other engineerings corroded by etching mediums such as sulfate.
Description
Technical field
The present invention relates to coastal structure cement of a kind of anti-corrosion and high strength and preparation method thereof, belong to construction material neck
Domain.
Background technology
The primary structure of coastal hydraulic engineering is largely concrete structure.And from the point of view of current development,
From now in many decades, the material that coastal hydraulic engineering construction is used will be still based on concrete structure.It is well known that concrete
Once there are endurance issues in engineering, and its reparation difficulty is very big, so, coastal hydraulic engineering should extremely focus on durability and set
Meter.For a long time, numerous coastal hydraulic engineerings mainly use ordinary cement, and the corresponding sea water resistance of mixing as requested is invaded at the scene
Concrete is lost, but is due to live mixing technique and quality Control, some structures are extremely difficult to preferably design and use the longevity
Life.Bad construction can influence the durability of concrete structure, such as concrete mixing defective workmanship, admixture consumption be not correct enough,
Thickness of protection tier deficiency etc., these all can make concrete structure be unable to reach predetermined service life.Influence coastal water conservancy
The reason for project durability, is numerous, in addition to the factors such as structure design, construction maintenance, and its construction material used is mostly important
One of factor.
Under marine environment, corrosion function of the seawater to concrete is mainly caused by following factor:SO in seawater4 2-、
Cl-、Mg2+The chemical erosion effect of ion;Salt is crystallized in concrete under the conditions of dry and wet;The mechanical wear of wave and punching
Hit;The destruction such as the corrosion of concrete reinforcing steel and Frozen-thawed cycled.Require seawater resistant cement for this at the same have anti-erosion,
The performance such as freeze thawing resistance, antiscour, wear-resisting.Authorization Notice No. CN102850028B, denomination of invention:A kind of road surface of seawater corrosion resistance
Material, includes the composition of following percentage by weight meter:Semi-hydrated gypsum 20~30%, cement 40~50%, quartz sand 5~10%, oxidation
Aluminium ceramic powder 5~10%, carbon fiber 1~3%, potassium titanate crystal whisker 1~3%, titanium dioxide 5~10%, flyash 5~10%, mould inhibitor 1
~3%.The invention uses less organic chemistry medicament, and seawater corrosion resistance can be strong, and each component is easily obtained, suitable for coastal area
Pavement construction is used.Application publication number CN105198336 A, denomination of invention:A kind of coastal structure cement of anti-strong wind wave impact,
It comprises the raw material of following parts by weight:60-80 parts of slag;10-30 parts of sulphoaluminate cement clinker;5-10 parts of silica flour;
0.03-0.05 parts of composite activating agent;2-4 parts of early strength agent;1-3 parts of water reducer;0.005-0.007 parts of air entraining agent;Retarder
0.3-0.5 parts;Its production method is to crush slag, sulfoaluminate clinker, silica flour, composite activating agent and early strength agent respectively, mill
Powder, homogenizing, then dispensing mixing is homogenized in proportion, adds water reducer, air entraining agent and retarder mixing homogenizing and product is made.This
The green ecological cement of the anti-strong wind wave impact of invention, in addition to the performance with ordinary cement, is also invaded with high-strength, resistant to sea water
Erosion, sea water resistance such as wash away at the good characteristic, are particularly suitable for use in harbour, the impact of harbour anti-strong wind wave and other dielectric corrosions that weather
Engineering.Above-mentioned patent all partly solves the problem of being currently used for Coastal Construction mixed mud, but above-mentioned patent system is standby to be mixed
The complicated component of soil is coagulated, especially intensity is not very high.
The content of the invention
The invention provides coastal structure cement of a kind of anti-corrosion and high strength and preparation method thereof, existing seashore is solved
Building building cement intensity is not high, corrosion-resistant the problems such as.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of coastal structure cement of anti-corrosion and high strength, in parts by weight, includes the raw material of following parts by weight:Sulphur aluminic acid
30-40 parts of salt cement clinker;5-10 parts of silica flour;5-10 parts of gypsum, 20-30 parts of quartz sand, 0.1-0.5 parts of silicon nitride, Titanium slag
10-20 parts, 1-3 parts of water reducer, 1-3 parts of composite high-early strength corrosion inhibitor.
Further, a preferred embodiment of the present invention:Described coastal structure cement is in parts by weight, including following heavy
Measure the raw material of number:35-40 parts of sulphoaluminate cement clinker;5-8 parts of silica flour;8-10 parts of gypsum, 20-25 parts of quartz sand, nitridation
0.2-0.3 parts of silicon, 15-20 parts of Titanium slag, 1-3 parts of water reducer, 2-3 parts of composite high-early strength preservative.
Further, a preferred embodiment of the present invention:Described composite high-early strength corrosion inhibitor in parts by weight, including chlorine vinegar
20-30 parts of resin, 20-30 parts of rosin modified phenolic resin, 1-3 parts of lignin, 3-5 parts of carbon fiber, 10-15 parts of triethanolamine,
10-15 parts of gas phase of white carbon black, 0-15 parts of silica 1.
Further, a preferred embodiment of the present invention:The preparation method of described composite high-early strength corrosion inhibitor is as follows:First by wood
Quality, carbon fiber, gas phase of white carbon black and silica are well mixed, then sequentially add triethanolamine, vinyl chloride-vinyl acetate resin and rosin
Phenol-formaldehyde resin modified, then 70-80 degree reaction 15-30min, then dry, pulverize as the particle of 100-200 mesh.
Further, a preferred embodiment of the present invention:Described water reducer is methyl naphthalene sulfonic acid sodium water reducer.
Further, a preferred embodiment of the present invention:The particle diameter of described gypsum is 100-150 mesh, described silicon nitride
Particle diameter be 200-250 mesh.
Present invention provides a kind of preparation method of the coastal structure cement of anti-strong wind wave impact, comprise the following steps:
(1)Dry:Titanium slag and quartz sand are dried to water content less than 2.8%, it is standby;
(2)Milling:The Titanium slag and quartzite sand grind that gained is dried, be passed to 100 mesh sieves percent of pass reach 95% with
On, by the Titanium slag and quartz sand after grinding, sulphoaluminate cement clinker, gypsum and silica flour mixing for standby use;
(3)Silicon nitride, water reducer and composite high-early strength preservative are mixed evenly, the mixing obtained by 1/5-1/4 steps 3 is then added
Thing, is mixed evenly, and then adds the mixture obtained by step 3 obtained by 1/4-1/3, is mixed evenly, is eventually adding remaining step
The mixture of rapid 3 gained, is mixed evenly, and has both obtained the coastal structure cement of anti-strong wind wave impact.
Beneficial effects of the present invention:
Use silica flour, quartz sand, silicon nitride and the Titanium slag of the present invention is used as main aggregate.Titanium slag makes concrete as aggregate
Hardening is fast, intensity is high, the heat of hydration is low, pore structure is excellent, impervious, frost resistance is good and chemical resistance of concrete ability is strong etc..In Titanium slag
There is no the slow hyrate phase of dead roasting, after pressure steaming processing, expansion will not be caused or shunk, without harmful components, glue in Titanium slag
Slag Minerals are stabilized during knot material aquation.And with the progress of hydration reaction, levigate Titanium slag can play surface crystallites,
The physical action such as interface misfortune conjunction, tightly packed.When Titanium slag is with silicon ash combined addition, it can be good at playing complex cementitious system
Induced activation effect, activate the atypia glass phase mutual induction in different cementing material, so as to occur secondary reaction of hydration.
Simultaneously because silicon ash particle is extremely fine, with the space between filling concrete particle Behavior of Hardened Cement Paste can be made more closely knit.Two in silicon ash
Silica glass body content is very high, and it occurs pozzolanic reaction with hydrated product CaO during hydrated cementitious, generates stable gelling thing
Matter-hydrated calcium silicate (C-S-H), so as to form very closely knit hydraulicity material.Significantly improve intensity.Silicon nitride is one
Superhard material is planted, itself has lubricity, and resistance to heat shocks energy, antioxygenic property, abrasion resistance properties, corrosion resisting property are good.Pass through titanium
Slag and quartz sand, the combination of silicon nitride, on the one hand can submit the resisting sea water erosion of construction material, on the other hand can have
The intensity of the raising construction material of effect, makes up the problem of submission Titanium slag causes intensity decreases.
The present invention strengthens the combination property of concrete using composite high-early strength corrosion inhibitor.Using composite high-early strength corrosion protection of the present invention
Agent can effectively improve the rate of set of concrete, and the protective layer of the anti-seawater corrosion of surface forming layer in concrete,
Effectively improve its combination property.The raw materials such as lignin, carbon fiber in the composite high-early strength corrosion inhibitor of the another aspect present invention, can
It is more firm between granular powder to combine to form network structure in concrete, further enhance the compactness on road surface
With anti-seawater corrosion performance.
The coastal structure cement of the present invention has the Optimalities such as high-strength, fine and close, impervious, resistant to sea water corrodes, sea water resistance washes away
Can, it is particularly suitable for use in underground, harbour, harbour and other engineerings corroded by etching mediums such as sulfate.
Embodiment
Below in conjunction with the specific embodiment of the invention, technical scheme is clearly and completely described, shown
So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
In the scope of protection of the invention.
Titanium slag used in having a try below produces water quenching Titanium slag for iron company of Sichuan, and specific surface area is
6300cm2/ g, its chemical composition SiO220-22, CaO23-26, Al2O318-22, TiO214-16, Fe2O33-4, MgO7-9, it is remaining
Measure other impurity.
Embodiment 1
A kind of coastal structure cement of anti-corrosion and high strength, in parts by weight, includes the raw material of following parts by weight:Sulphur aluminic acid
30 parts of salt cement clinker;5 parts of silica flour;It is 7 parts of gypsum, 20 parts of quartz sand, 0.1 part of silicon nitride, 10 parts of Titanium slag, 1 part of water reducer, multiple
Close early strong 1 part of corrosion inhibitor.
Described composite high-early strength corrosion inhibitor in parts by weight, including 20 parts of vinyl chloride-vinyl acetate resin, rosin modified phenolic resin 25
Part, 2 parts of lignin, 3 parts of carbon fiber, 10 parts of triethanolamine, 15 parts of gas phase of white carbon black, 5 parts of silica 1.
The preparation method of composite high-early strength corrosion inhibitor is as follows:First lignin, carbon fiber, gas phase of white carbon black and silica are mixed
Close uniform, then sequentially add triethanolamine, vinyl chloride-vinyl acetate resin and rosin modified phenolic resin, then 70 degree of reaction 30min, then
It dry, pulverize as the particle of 100-200 mesh.
Water reducer is methyl naphthalene sulfonic acid sodium water reducer.
The particle diameter of gypsum is 100-150 mesh, and the particle diameter of silicon nitride is 200-250 mesh.
A kind of preparation method of the coastal structure cement of anti-strong wind wave impact, comprises the following steps:
(1)Dry:Titanium slag and quartz sand are dried to water content less than 2.8%, it is standby;
(2)Milling:The Titanium slag and quartzite sand grind that gained is dried, be passed to 100 mesh sieves percent of pass reach 95% with
On, by the Titanium slag and quartz sand after grinding, sulphoaluminate cement clinker, gypsum and silica flour mixing for standby use;
(3)Silicon nitride, water reducer and composite high-early strength preservative are mixed evenly, the mixture obtained by 1/5 step 3 is then added,
It is mixed evenly, then adds the mixture obtained by 1/4 gained step 3, be mixed evenly, obtained by the step 3 for being eventually adding residue
Mixture, be mixed evenly, both anti-strong wind wave impact coastal structure cement.
Embodiment 2
A kind of coastal structure cement of anti-corrosion and high strength, in parts by weight, includes the raw material of following parts by weight:Sulphur aluminic acid
33 parts of salt cement clinker;10 parts of silica flour;5 parts of gypsum, 25 parts of quartz sand, 0.2 part of silicon nitride, 17 parts of Titanium slag, 2 parts of water reducer,
2 parts of composite high-early strength corrosion inhibitor.
Described composite high-early strength corrosion inhibitor in parts by weight, including 25 parts of vinyl chloride-vinyl acetate resin, rosin modified phenolic resin 30
Part, 3 parts of lignin, 4 parts of carbon fiber, 12 parts of triethanolamine, 12 parts of gas phase of white carbon black, 0 part of silica 1.
The preparation method of composite high-early strength corrosion inhibitor is as follows:First lignin, carbon fiber, gas phase of white carbon black and silica are mixed
Close uniform, then sequentially add triethanolamine, vinyl chloride-vinyl acetate resin and rosin modified phenolic resin, then 80 degree of reaction 15min, then
It dry, pulverize as the particle of 100-200 mesh.
Water reducer is methyl naphthalene sulfonic acid sodium water reducer.
The particle diameter of gypsum is 100-150 mesh, and the particle diameter of silicon nitride is 200-250 mesh.
Present invention provides a kind of preparation method of the coastal structure cement of anti-strong wind wave impact, comprise the following steps:
(1)Dry:Titanium slag and quartz sand are dried to water content less than 2.8%, it is standby;
(2)Milling:The Titanium slag and quartzite sand grind that gained is dried, be passed to 100 mesh sieves percent of pass reach 95% with
On, by the Titanium slag and quartz sand after grinding, sulphoaluminate cement clinker, gypsum and silica flour mixing for standby use;
(3)Silicon nitride, water reducer and composite high-early strength preservative are mixed evenly, the mixture obtained by 1/4 step 3 is then added,
It is mixed evenly, then adds the mixture obtained by 1/3 gained step 3, be mixed evenly, obtained by the step 3 for being eventually adding residue
Mixture, be mixed evenly, both anti-strong wind wave impact coastal structure cement.
Embodiment 3
A kind of coastal structure cement of anti-corrosion and high strength, in parts by weight, includes the raw material of following parts by weight:Sulphur aluminic acid
35 parts of salt cement clinker;6 parts of silica flour;It is 8 parts of gypsum, 30 parts of quartz sand, 0.3 part of silicon nitride, 20 parts of Titanium slag, 3 parts of water reducer, multiple
Close early strong 3 parts of corrosion inhibitor.
Described composite high-early strength corrosion inhibitor in parts by weight, including 30 parts of vinyl chloride-vinyl acetate resin, rosin modified phenolic resin 20
Part, 1 part of lignin, 5 parts of carbon fiber, 15 parts of triethanolamine, 10 parts of gas phase of white carbon black, 5 parts of silica 1.
The preparation method of composite high-early strength corrosion inhibitor is as follows:First lignin, carbon fiber, gas phase of white carbon black and silica are mixed
Close uniform, then sequentially add triethanolamine, vinyl chloride-vinyl acetate resin and rosin modified phenolic resin, then 75 degree of reaction 20min, then
It dry, pulverize as the particle of 100-200 mesh.
Water reducer is methyl naphthalene sulfonic acid sodium water reducer.
The particle diameter of gypsum is 100-150 mesh, and the particle diameter of silicon nitride is 200-250 mesh.
Present invention provides a kind of preparation method of the coastal structure cement of anti-strong wind wave impact, comprise the following steps:
(1)Dry:Titanium slag and quartz sand are dried to water content less than 2.8%, it is standby;
(2)Milling:The Titanium slag and quartzite sand grind that gained is dried, be passed to 100 mesh sieves percent of pass reach 95% with
On, by the Titanium slag and quartz sand after grinding, sulphoaluminate cement clinker, gypsum and silica flour mixing for standby use;
(3)Silicon nitride, water reducer and composite high-early strength preservative are mixed evenly, the mixture obtained by 1/4 step 3 is then added,
It is mixed evenly, then adds the mixture obtained by 1/4 gained step 3, be mixed evenly, obtained by the step 3 for being eventually adding residue
Mixture, be mixed evenly, both anti-strong wind wave impact coastal structure cement.
Embodiment 4
Substantially the same manner as Example 1, difference is:The coastal structure cement of a kind of anti-corrosion and high strength, according to parts by weight
Meter, includes the raw material of following parts by weight:38 parts of sulphoaluminate cement clinker;8 parts of silica flour;9 parts of gypsum, 22 parts of quartz sand, nitrogen
0.2 part of SiClx, 17 parts of Titanium slag, 2 parts of water reducer, 2.2 parts of composite high-early strength corrosion inhibitor.
Embodiment 5
Substantially the same manner as Example 1, difference is:The coastal structure cement of a kind of anti-corrosion and high strength, according to parts by weight
Meter, includes the raw material of following parts by weight:40 parts of sulphoaluminate cement clinker, 7 parts of silica flour, 10 parts of gypsum, 26 parts of quartz sand, nitrogen
0.3 part of SiClx, 20 parts of Titanium slag, 3 parts of water reducer, 2.6 parts of composite high-early strength corrosion inhibitor.
Comparative example 1
Substantially the same manner as Example 1, difference is:The coastal structure cement of a kind of anti-corrosion and high strength, according to parts by weight
Meter, includes the raw material of following parts by weight:30 parts of sulphoaluminate cement clinker;5 parts of silica flour;7 parts of gypsum, 20 parts of quartz sand, nitrogen
0.1 part of SiClx, 10 parts of Titanium slag, 1 part of water reducer, 1 part of triethanolamine.
Comparative example 2
Substantially the same manner as Example 1, difference is:The coastal structure cement of a kind of anti-corrosion and high strength, according to parts by weight
Meter, includes the raw material of following parts by weight:30 parts of sulphoaluminate cement clinker;5 parts of silica flour;7 parts of gypsum, 20 parts of quartz sand, nitrogen
0.1 part of SiClx, 10 parts of slag, 1 part of water reducer, 1 part of composite high-early strength corrosion inhibitor.
Slag:Blast furnace granulated slag passes through a kind of powder that grinding is obtained, fineness 400m2/ kg~500m2/ kg, its chemical composition
Percetage by weight be:SiO2:30%-40%、Al2O3:12%-18%、MgO :8%-12%、Fe2O3:0.6%-1.0%、TiO2:
0.1%-0.5%、MnO2:0.5%-1% ;Remaining is CaO or CaCO3。
Comparative example 3
Substantially the same manner as Example 1, difference is:The coastal structure cement of a kind of anti-corrosion and high strength, according to parts by weight
Meter, includes the raw material of following parts by weight:30 parts of sulphoaluminate cement clinker;5 parts of silica flour;7 parts of gypsum, 20.1 parts of quartz sand,
10 parts of Titanium slag, 1 part of water reducer, 1 part of composite high-early strength corrosion inhibitor.
The corrosion test of artificial seawater
Experiment test specimen used is 70 70 70mm cubes.Conserved after shaping in standard curing room to 56 day age and determine weight
Amount, compression strength and rupture strength, then start leaching one and dry circulation:Soaked 16 hours in artificial seawater, then take out 80 degree of rings
Dried under border 8 hours, be within 24 hours a circulation.120th day circulation measured weight, calculates weight-loss ratio, uses Buddhist nun before weighing in water
Dragon brush gently scrubs surface of test piece, removes unconsolidated material, surveys compression strength and rupture strength.
Artificial seawater composition(g/l)NaCl105.00, MgCl212.70, MgSO4·7H2O7.70, CaSO4
.2H2O12.15, CaCO30.5。
By as seen from the above table, the coastal structure cement of anti-corrosion and high strength of the invention has good compression strength, resisted
Intensity and corrosion resistance are rolled over, after 120 circulate, less, especially resistance to corrosion seawater is more for resistance to compression, Rupture strength loss
Superior, weight-loss ratio can reach 0.008%.
From comparative example 1-3, the material content changed in formula is followed successively by composite high-early strength corrosion inhibitor, Titanium slag and nitridation
The amount of silicon, not only makes themselves have performance reduction, and has driven the reduction of overall performance, therefore they are one organic
It is overall.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of coastal structure cement of anti-corrosion and high strength, it is characterised in that:In parts by weight, including following parts by weight
Raw material:30-40 parts of sulphoaluminate cement clinker;5-10 parts of silica flour;5-10 parts of gypsum, 20-30 parts of quartz sand, silicon nitride
0.1-0.5 parts, 10-20 parts of Titanium slag, 1-3 parts of water reducer, 1-3 parts of composite high-early strength preservative.
2. a kind of coastal structure cement of anti-corrosion and high strength according to claim 1, it is characterised in that:Described seashore
Building building cement in parts by weight, includes the raw material of following parts by weight:35-40 parts of sulphoaluminate cement clinker;Silica flour 5-8
Part;8-10 parts of gypsum, 20-25 parts of quartz sand, 0.2-0.3 parts of silicon nitride, 15-20 parts of Titanium slag, 1-3 parts of water reducer, compound morning
Strong 2-3 parts of preservative.
3. a kind of coastal structure cement of anti-corrosion and high strength according to claim 1, it is characterised in that:Described is compound
Early strong preservative in parts by weight, including 20-30 parts of vinyl chloride-vinyl acetate resin, 20-30 parts of rosin modified phenolic resin, lignin 1-3
Part, 3-5 parts of carbon fiber, 10-15 parts of triethanolamine, 10-15 parts of gas phase of white carbon black, 0-15 parts of silica 1.
4. a kind of coastal structure cement of anti-corrosion and high strength according to claim 3, it is characterised in that:Described is compound
The preparation method of early strong preservative is as follows:First lignin, carbon fiber, gas phase of white carbon black and silica are well mixed, then
Triethanolamine, vinyl chloride-vinyl acetate resin and rosin modified phenolic resin are sequentially added, then 70-80 degree reaction 15-30min, is then dried,
Crush as the particle of 100-200 mesh.
5. a kind of coastal structure cement of anti-corrosion and high strength according to claim 1, it is characterised in that:Described diminishing
Agent is methyl naphthalene sulfonic acid sodium water reducer.
6. a kind of coastal structure cement of anti-corrosion and high strength according to claim 1, it is characterised in that:Described gypsum
Particle diameter be 100-150 mesh, the particle diameter of described silicon nitride is 200-250 mesh.
7. a kind of a kind of preparation method of the coastal structure cement of anti-corrosion and high strength as described in claim any one of 1-6,
It is characterised in that it includes following steps:
(1)Dry:Titanium slag and quartz sand are dried to water content less than 2.8%, it is standby;
(2)Milling:The Titanium slag and quartzite sand grind that gained is dried, be passed to 100 mesh sieves percent of pass reach 95% with
On, by the Titanium slag and quartz sand after grinding, sulphoaluminate cement clinker, gypsum and silica flour mixing for standby use;
(3)Silicon nitride, water reducer and composite high-early strength preservative are mixed evenly, the mixing obtained by 1/5-1/4 steps 3 is then added
Thing, is mixed evenly, and then adds the mixture obtained by step 3 obtained by 1/4-1/3, is mixed evenly, is eventually adding remaining step
The mixture of rapid 3 gained, is mixed evenly, and has both obtained the coastal structure cement of anti-strong wind wave impact.
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CN201710290320.9A CN107032714A (en) | 2017-04-28 | 2017-04-28 | A kind of coastal structure cement of anti-corrosion and high strength and preparation method thereof |
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Cited By (3)
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CN111003955A (en) * | 2020-01-03 | 2020-04-14 | 桂林理工大学 | Corrosion-resistant cement for marine environment and preparation method thereof |
CN112876171A (en) * | 2021-03-03 | 2021-06-01 | 葛洲坝石门特种水泥有限公司 | Method for improving corrosion resistance of portland cement |
CN114988760A (en) * | 2022-04-02 | 2022-09-02 | 湖北工业大学 | Titanium slag polymer anticorrosive paint and preparation method thereof |
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CN105198336A (en) * | 2015-11-17 | 2015-12-30 | 广西云燕特种水泥建材有限公司 | Seashore building cement resisting strong wind and big waves |
CN105272076A (en) * | 2015-09-28 | 2016-01-27 | 中材高新成都能源技术有限公司 | Building cement |
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CN102702874A (en) * | 2012-06-12 | 2012-10-03 | 天长市巨龙车船涂料有限公司 | Anticorrosive coating |
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Cited By (5)
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CN111003955A (en) * | 2020-01-03 | 2020-04-14 | 桂林理工大学 | Corrosion-resistant cement for marine environment and preparation method thereof |
CN111003955B (en) * | 2020-01-03 | 2022-03-29 | 桂林理工大学 | Corrosion-resistant cement for marine environment and preparation method thereof |
CN112876171A (en) * | 2021-03-03 | 2021-06-01 | 葛洲坝石门特种水泥有限公司 | Method for improving corrosion resistance of portland cement |
CN114988760A (en) * | 2022-04-02 | 2022-09-02 | 湖北工业大学 | Titanium slag polymer anticorrosive paint and preparation method thereof |
CN114988760B (en) * | 2022-04-02 | 2023-10-10 | 湖北工业大学 | Titanium slag polymer anticorrosive paint and preparation method thereof |
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