CN109626906A - A kind of water-tight concrete and its preparation process - Google Patents
A kind of water-tight concrete and its preparation process Download PDFInfo
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- CN109626906A CN109626906A CN201811646838.2A CN201811646838A CN109626906A CN 109626906 A CN109626906 A CN 109626906A CN 201811646838 A CN201811646838 A CN 201811646838A CN 109626906 A CN109626906 A CN 109626906A
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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
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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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Abstract
The invention discloses a kind of water-tight concrete and its preparation processes, are related to technical field of concrete, solve because there are more gaps between concrete each component, and the problem of cause its whole impervious effect to substantially reduce.It includes the component of following parts by weight: 180~200 parts of water；750~800 parts of middle sand；1100~1300 parts of stone；240~260 parts of portland cement；50~70 parts of flyash；60~80 parts of miberal powder；3~7 parts of methyl silicon sodium alcoholate；9~12 parts of whisker fillers；2~3 parts of water-reducing agent；2.5~4.5 parts of impervious agent.Water-tight concrete in the present invention has good impermeability after curing molding, and the hole between its each component is less, and has good structural strength.
Description
Technical field
The present invention relates to technical field of concrete, more specifically, it relates to a kind of water-tight concrete and its preparation process.
Background technique
Concrete, which refers to, makees cementitious material with cement, and sand, masonry aggregate are matched by a certain percentage with water, additive, admixture
Close, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.
A kind of high-impermeable water-proof concrete is disclosed in the Chinese invention patent of Publication No. CN107698210A, by with
The raw material of lower weight part ratio is made: 30~40 parts of pozzolan cement, gathers materials 20~30 parts, 10~15 parts of middle sand, tap water 15~
20 parts, 1~5 part of water-reducing agent, 1~5 part of retarder；The water-reducing agent is lignin sulfonic acid sodium salt water-reducing agent；The slow setting
Agent is lignin sulfonate retarder；Lime stone matter rubble or the clean river sand gathered materials for partial size no more than 5mm.
In above-mentioned patent, the cost gathered materials is low, and finished product concrete elongation percentage is high, durability is strong, makes it have good
Application, although though water-reducing agent can be reduced water consumption, make adequately contact between each component raw material, retarder makes coagulation
The setting time of soil is extended, and improves the hole between each component raw material, and then make the impervious effect of concrete entirety
It substantially reduces, it is, therefore, desirable to provide a kind of new scheme solves the above problems.
Summary of the invention
For in the prior art because there are more gaps between concrete each component, and its whole impervious effect is caused to drop significantly
Low problem, the purpose of the present invention one are to provide a kind of water-tight concrete, by forming water-repellent layer in the inside of concrete, and
The hole between each component raw material is reduced, to solve the above technical problems, there is good impermeability after curing molding, and
Also there is good structural strength.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of water-tight concrete, the component including following parts by weight:
180~200 parts of water；
750~800 parts of middle sand；
1100~1300 parts of stone；
240~260 parts of portland cement；
50~70 parts of flyash；
60~80 parts of miberal powder；
3~7 parts of methyl silicon sodium alcoholate；
9~12 parts of whisker fillers；
2~3 parts of water-reducing agent；
2.5~4.5 parts of impervious agent.
By using above-mentioned technical proposal, flyash is a kind of artificial pozzolana mixed material, and itself slightly has or do not have
There is hydraulic gelling property, but in the presence of with powdery and water, it can be in room temperature, especially under hydrothermal conditions, with hydroxide
Calcium or other alkaline earth metal hydroxides chemically react, and generate the compound with hydraulic gelling property, become a kind of increasing
The material of reinforcement degree and durability.Miberal powder can effectively improve the compression strength of water-tight concrete, reduce the cost of water-tight concrete,
Simultaneously to alkali-aggregate reaction is inhibited, the heat of hydration is reduced, reduces water-tight concrete structure early stage thermal cracking, improves water-tight concrete
Compactness, and have positive effect on improving impervious and corrosion resistance.Being used in mixed way for flyash and miberal powder, advantageously reduces
Hole between each component raw material, and not only water-tight concrete has good structural strength after curing molding, moreover it is possible to make its tool
There is good impermeability.
Whisker fillers have high intensity, high-modulus, high tenacity, high-insulativity, abrasion performance, high temperature resistant, acid and alkali-resistance, anti-corruption
Erosion, infrared reflectivity is good, be easy to be surface-treated, easily with polymer is compound, many excellent physicochemical properties such as nontoxic, and energy
It is enough filled in the hole between each component raw material, and there is good compatibility between each component, make inside water-tight concrete
Porosity substantially reduce, and then make it in actual use there is good impermeability.
Methyl silicon sodium alcoholate generates methyl silanol under water and carbon dioxide effect, and the silanol group in methyl silanol is very living
It sprinkles, on the one hand can further react, be condensed into high-molecular compound, be netted silicone resin, it is another with hydrophobicity
For aspect since many silanol groups are contained on silicate building material surface, these silanol groups can react dehydration with the silanol group of waterproofing agent
Crosslinking forms water-repellent layer in the inside of water-tight concrete, greatly improves the impermeability of water-tight concrete entirety.
There is good fiting effect between whisker fillers, silicone resin and water-repellent layer, can be filled in impervious
In concrete in hole, and there is good associativity between each component raw material, water-tight concrete can not only be made to have good
Good compactness, and the impermeability of water-tight concrete can be made to greatly improve.Water-reducing agent is that one kind is maintaining water-tight concrete to collapse
Under conditions of degree of falling is basically unchanged, the concrete admixture of water consumption can be reduced, impervious agent can be improved the compactness of concrete,
Improve pore structure, to reduce infiltration lane, improves impervious.
Further preferably, the compounded mix that parts by weight are 5~6 parts is additionally added in the water-tight concrete, it is compound
Filler mainly includes triethanolamine and sodium nitrite, and the weight fraction ratio of triethanolamine and sodium nitrite be 1:(0.4~
0.6)。
By using above-mentioned technical proposal, triethanolamine is added in water-tight concrete, and makees in the catalysis of triethanolamine
With, make to generate more hydrated product in early days, the part son that dissociates is combined into the crystallization water, correspondingly reduce capillary passage and
Hole to improve the anti-permeability performance of concrete, and can speed up hydrated cementitious speed, promote the hair of early strength of concrete
Exhibition, and have the function of certain water reducing and strength increasing.And triethanolamine and sodium nitrite are used in mixed way, and can play good compounding effect
Fruit, and better impervious efficiency can be played, greatly improve the impermeability of water-tight concrete entirety.
Further preferably, the fiber combinations material that parts by weight are 12~15 parts is additionally added in the water-tight concrete,
Fiber combinations material mainly includes alumina silicate fibre, steel fibre and glass fibre, and alumina silicate fibre, steel fibre and glass fibre
Weight fraction ratio is 1:(0.3~0.5): (0.6~0.8).
By using above-mentioned technical proposal, it is good that alumina silicate fibre, steel fibre and glass fibre can be used as concrete
Filler, and between each component raw material have good fillibility, substantially reduce the porosity inside water-tight concrete, mention
The high compactness and impermeability of water-tight concrete entirety, and the structural strength of water-tight concrete entirety can also be made to mention significantly
It is high.Meanwhile alumina silicate fibre, steel fibre and glass fibre make it have good fill out in the inside of concrete when being used in mixed way
Filling property is capable of the capillary channel of completely plugged inside concrete, particularly evident to the promotion of water-tight concrete impermeability.
Further preferably, the polyaniline that parts by weight are 1.5~2.5 parts is additionally added in the water-tight concrete.
By using above-mentioned technical proposal, polyaniline have special electricity, optical property, it is doped after impervious coagulation
Soil has certain chemical property, and when water-tight concrete is cast on steel mesh, the surface of steel mesh will form one layer of oxygen
Change film, and then just have good protective effect to steel mesh, makes water-tight concrete in the long-term use still with good
Impermeability.Meanwhile water-tight concrete is under the action of polyaniline, inside will form oxidized metal net, make water-tight concrete
Whole structural strength and impermeability increases.
Further preferably, the whisker fillers are that silicon carbide whisker, calcium sulfate crystal whiskers, magnesium borate crystal whisker and aluminium oxide are brilliant
One of palpus is a variety of.
By using above-mentioned technical proposal, whisker is the staple fiber of the micro/nano level as made of high-purity crystal growth, carbon
SiClx whisker has excellent mechanical performance, heat resistance, durable corrosivity and high temperature oxidation resistance, and calcium sulfate crystal whiskers are one
Kind has enhancing, toughening, heat-resisting, high thixotropic excellent filler, and magnesium borate crystal whisker and alumina whisker have lightweight, height
The excellent properties such as intensity, high temperature resistant, corrosion-resistant and good mechanical strength and electrical insulating property, being capable of completely plugged concrete
Internal capillary channel, greatly improves the impermeability of water-tight concrete entirety, and make the structural behaviour of concrete entirety significantly
It improves.
Further preferably, the water-reducing agent is one of sodium lignin sulfonate, sodium sulfite, tannin and sugar calcium or more
Kind.
By using above-mentioned technical proposal, sodium lignin sulfonate, sodium sulfite, tannin and sugar calcium are good diminishing
Agent, and there is good peptizaiton to each component raw material of water-tight concrete, it can be reduced unit consumption of water, and improve impervious mixed
The mobility for coagulating soil, improves the compactness of water-tight concrete.Meanwhile a variety of water-reducing agents can reduce impervious mixed when being used in mixed way
The bleeding rate of soil is coagulated, it is with good stability, and keep well stable impermeability.
Further preferably, the impervious agent be one of mesh polypropylene-fibre, calcium formate, calcium chloride and urea or
It is a variety of.
By using above-mentioned technical proposal, the reticular structure of polypropylene fibre can be destroyed in stirring, form single fiber
Dimension, these single fiber complexes improve the leakproof of concrete.The use of calcium formate can care for and shorten concrete initial set
Time, and enhance the stability of concrete.Calcium chloride and urea can speed up silicate cement hydration speed, promote concrete
The development of early strength.One of mesh polypropylene-fibre, calcium formate, calcium chloride and urea or a variety of are selected, can make to resist
Concrete is seeped under the premise of keeping satisfactory texture intensity, and there is good impermeability.
The purpose of the present invention two is to provide a kind of preparation process of water-tight concrete, using the impervious mixed of technique preparation
Solidifying soil has good impermeability after curing molding, and also has good structural strength.
To achieve the above object two, the present invention provides following technical solutions, and the following steps are included:
The stone of corresponding parts by weight, middle sand, flyash, portland cement, miberal powder are being stirred mixing by step 1, and
It is dried, obtains mixture；
The whisker fillers of corresponding parts by weight are added in step 2 in mixture, are stirred drying, obtain base-material；
The water of corresponding parts by weight, methyl silicon sodium alcoholate, water-reducing agent and impervious agent are put into a mixing bowl and are stirred by step 3,
Obtain mixed liquor；
Base-material is poured into mixed liquor several times, and is constantly stirred by step 4, and water-tight concrete can be obtained.
By using above-mentioned technical proposal, keep the technological operation for preparing water-tight concrete relatively simple, and can quickly make
It is quickly uniformly mixed between each component, makes water-tight concrete production efficiency with higher, overall quality can also be guaranteed.Together
When, be conducive to be sufficiently mixed each component raw material, and obtained water-tight concrete compactness with higher and good anti-
Infiltration ability, and there is good structural strength after curing molding.
In conclusion compared with prior art, the invention has the following advantages:
(1) whisker fillers are added, can be filled in the hole between each component raw material, and there is good phase between each component
Capacitive, and methyl silicon sodium alcoholate has good match between the silicone resin, water-repellent layer and whisker fillers that concrete is formed
Effect is closed, can not only make water-tight concrete that there is good compactness, and the impermeability of water-tight concrete can be made to mention significantly
It is high；
(2) compounded mix being mainly made of triethanolamine and sodium nitrite is added, can reduce inside water-tight concrete
Capillary passage and hole to improve the anti-permeability performance of water-tight concrete, and can speed up hydrated cementitious speed, promote coagulation
The development of native early strength, and then greatly improve the impermeability of water-tight concrete entirety；
(3) polyaniline is added, makes water-tight concrete that there is certain chemical property, when water-tight concrete is cast on steel mesh
When, the surface of steel mesh will form layer oxide film, make water-tight concrete in the long-term use still with good impervious
Ability.Meanwhile water-tight concrete is under the action of polyaniline, inside will form oxidized metal net, keep water-tight concrete whole
Structural strength and impermeability increase.
Detailed description of the invention
Fig. 1 is the preparation technology flow chart of water-tight concrete in the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1: a kind of water-tight concrete, each component and its corresponding parts by weight are as shown in table 1, and by walking as follows
Suddenly it prepares:
Step 1 stirs the stone of corresponding parts by weight, middle sand, flyash, portland cement, miberal powder in drying bucket
Mixing, revolving speed 900rpm, time 30min are mixed, temperature is controlled at 100 DEG C, forms mixture；
The silicon carbide whisker of corresponding parts by weight is added in step 2 in mixture, is stirred drying, and temperature is controlled 60
DEG C, time 40min, mixing speed 600rpm obtain base-material；
The water of corresponding parts by weight, methyl silicon sodium alcoholate, sodium lignin sulfonate and mesh polypropylene-fibre are put into stirring by step 3
It is stirred in cylinder, time 15min, mixing speed 300rpm obtains mixed liquor；
The quality such as base-material are divided 3 times and are poured into mixed liquor, and are constantly stirred, mixing speed 1200rpm by step 4, and
The mixing time to feed every time is 10min, and water-tight concrete can be obtained.
Embodiment 2-8: a kind of water-tight concrete, difference from example 1 is that, each component and its corresponding weight
Number is as shown in table 1.
Each component and its parts by weight in 1 embodiment 1-8 of table
Embodiment 9: a kind of water-tight concrete, difference from example 1 is that, step 2 specifically comprises the following steps,
It is 12 parts of calcium sulfate crystal whiskers that corresponding parts by weight are added in mixture, is stirred drying, and temperature is controlled at 60 DEG C, the time
Base-material is obtained for 40min, mixing speed 600rpm.
Embodiment 10: a kind of water-tight concrete, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it is that 4 parts of silicon carbide whisker, 4 parts of calcium sulfate crystal whiskers and 4 parts of antifungin are brilliant that corresponding parts by weight are added in mixture
Must, it is stirred drying, temperature control obtains base-material at 60 DEG C, time 40min, mixing speed 600rpm.
Embodiment 11: a kind of water-tight concrete, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it is that 4 parts of calcium sulfate crystal whiskers, 3 parts of magnesium borate crystal whisker and 5 parts of aluminium oxide are brilliant that corresponding parts by weight are added in mixture
Must, it is stirred drying, temperature control obtains base-material at 60 DEG C, time 40min, mixing speed 600rpm.
Embodiment 12: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of sodium lignin sulfonate, 4.5 parts of polypropylene by corresponding parts by weight
Reticular fibre and 5 parts of compounded mix are put into a mixing bowl and are stirred, and compounded mix is made of triethanolamine and sodium nitrite,
And the weight fraction ratio of triethanolamine and sodium nitrite is 1:0.4, mixing time 15min, mixing speed 300rpm are obtained
Mixed liquor.
Embodiment 13: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of sodium lignin sulfonate, 4.5 parts of polypropylene by corresponding parts by weight
Reticular fibre and 6 parts of compounded mix are put into a mixing bowl and are stirred, and compounded mix is made of triethanolamine and sodium nitrite,
And the weight fraction ratio of triethanolamine and sodium nitrite is 1:0.5, mixing time 15min, mixing speed 300rpm are obtained
Mixed liquor.
Embodiment 14: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of sodium lignin sulfonate, 4.5 parts of polypropylene by corresponding parts by weight
Reticular fibre and 5.5 parts of compounded mix are put into a mixing bowl and are stirred, and compounded mix is by triethanolamine and sodium nitrite group
At, and the weight fraction ratio of triethanolamine and sodium nitrite be 1:0.6, mixing time 15min, mixing speed 300rpm,
Obtain mixed liquor.
Embodiment 15: a kind of water-tight concrete, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it is 12 parts of silicon carbide whisker and 12 parts of fiber combinations material that corresponding parts by weight are added in mixture, fiber combinations material by
Alumina silicate fibre, steel fibre and glass fibre composition, and the weight fraction ratio of alumina silicate fibre, steel fibre and glass fibre is 1:
0.3:0.8, is stirred drying, and temperature control obtains base-material at 60 DEG C, time 40min, mixing speed 600rpm.
Embodiment 16: a kind of water-tight concrete, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it is 12 parts of silicon carbide whisker and 15 parts of fiber combinations material, fiber combinations material that corresponding parts by weight are added in mixture
It is made of alumina silicate fibre, steel fibre and glass fibre, and the weight fraction ratio of alumina silicate fibre, steel fibre and glass fibre is
1:0.5:0.7, is stirred drying, and temperature control obtains base-material at 60 DEG C, time 40min, mixing speed 600rpm.
Embodiment 17: a kind of water-tight concrete, difference from example 1 is that, step 2 specifically includes following step
Suddenly, silicon carbide whisker and 13.5 parts of fiber combinations material that corresponding parts by weight are 12 parts, fiber combinations material are added in mixture
It is made of alumina silicate fibre, steel fibre and glass fibre, and the weight fraction ratio of alumina silicate fibre, steel fibre and glass fibre is
1:0.4:0.6, is stirred drying, and temperature control obtains base-material at 60 DEG C, time 40min, mixing speed 600rpm.
Embodiment 18: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of sodium lignin sulfonate, 4.5 parts of polypropylene by corresponding parts by weight
Reticular fibre and 1.5 parts of polyaniline are put into a mixing bowl and are stirred, time 15min, and mixing speed 300rpm is obtained
Mixed liquor.
Embodiment 19: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of sodium lignin sulfonate, 4.5 parts of polypropylene by corresponding parts by weight
Reticular fibre and 2.5 parts of polyaniline are put into a mixing bowl and are stirred, time 15min, and mixing speed 300rpm is obtained
Mixed liquor.
Embodiment 20: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of sodium lignin sulfonate, 4.5 parts of polypropylene by corresponding parts by weight
Reticular fibre and 2 parts of polyaniline are put into a mixing bowl and are stirred, time 15min, and mixing speed 300rpm is mixed
Close liquid.
Embodiment 21: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of sodium sulfite and 4.5 parts of polypropylene mesh by corresponding parts by weight
Fiber is put into a mixing bowl and is stirred, time 15min, and mixing speed 300rpm obtains mixed liquor.
Embodiment 22: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 1 part of sodium sulfite, 1 part of tannin and 4.5 parts by corresponding parts by weight
Mesh polypropylene-fibre is put into a mixing bowl and is stirred, time 15min, and mixing speed 300rpm obtains mixed liquor.
Embodiment 23: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of lignin benzene sulfonic acid sodium salt and 4.5 parts of formic acid by corresponding parts by weight
Calcium is put into a mixing bowl and is stirred, time 15min, and mixing speed 300rpm obtains mixed liquor.
Embodiment 24: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
It suddenly, is 180 parts of water, 3 parts of methyl silicon sodium alcoholate, 2 parts of lignin benzene sulfonic acid sodium salt, 2.5 parts of formic acid by corresponding parts by weight
Calcium and 2 parts of calcium chloride are put into a mixing bowl and are stirred, time 15min, and mixing speed 300rpm obtains mixed liquor.
Comparative example 1: a kind of water-tight concrete, difference from example 1 is that, step 3 specifically includes following step
Suddenly, water, 2 parts of lignin benzene sulfonic acid sodium salt and 4.5 parts of mesh polypropylene-fibre that corresponding parts by weight are 180 parts are put into and are stirred
It mixes in cylinder and is stirred, time 15min, mixing speed 300rpm obtain mixed liquor.
Comparative example 2: a kind of water-tight concrete, difference from example 1 is that, specifically comprise the following steps:
Step 1 stirs the stone of corresponding parts by weight, middle sand, flyash, portland cement, miberal powder in drying bucket
Mixing, revolving speed 900rpm, time 30min are mixed, temperature is controlled at 100 DEG C, forms mixture；
The water of corresponding parts by weight, methyl silicon sodium alcoholate, sodium lignin sulfonate and mesh polypropylene-fibre are put into stirring by step 2
It is stirred in cylinder, time 15min, mixing speed 300rpm obtains mixed liquor；
The quality such as base-material are divided 3 times and are poured into mixed liquor, and are constantly stirred, mixing speed 1200rpm by step 3, and
The mixing time to feed every time is 10min, and water-tight concrete can be obtained.
Comparative example 3: a kind of water-tight concrete, the difference is that, step 2 specifically includes following step with comparative example 2
Suddenly, water, 2 parts of lignin benzene sulfonic acid sodium salt and 4.5 parts of mesh polypropylene-fibre that corresponding parts by weight are 180 parts are put into and are stirred
It mixes in cylinder and is stirred, time 15min, mixing speed 300rpm obtain mixed liquor.
Impervious measure of merit test specimen: using the water-tight concrete obtained in embodiment 1-24 as test specimen 1-
24, using the water-tight concrete obtained in comparative example 1-3 as control sample 1-3.
Test method: by test specimen 1-24 and control sample 1-3, according to GB/T50082-2009, " common coagulation scholar is long-term
Performance and endurance quality test method standard " production reference block, and using the testing standard test block of pressurization step by step therein
Seep water depth.
Test result: the test result of test specimen 1-24 and control sample 1-3 are as shown in table 2.As shown in Table 2, by trying
The test result control for testing sample 1-8 and control sample 1-3 can obtain, be added whisker fillers and methyl silicon sodium alcoholate can improve it is impervious
The impermeability of concrete, and its with the use of when, the impermeability of water-tight concrete can be made to greatly improve.By test specimen 1-
The test result control of 8 and test specimen 9-11 can obtain, and whisker fillers select silicon carbide whisker, calcium sulfate crystal whiskers, antifungin brilliant
One of palpus and alumina whisker are a variety of, are suitable for the preparation of water-tight concrete.By test specimen 1-8 and test specimen
The test result control of 12-14 can obtain, and the compounded mix being made of triethanolamine and sodium nitrite is added, can make impervious coagulation
Native whole impermeability greatly improves.It can be obtained, be added by the control of the test result of test specimen 1-8 and test specimen 15-17
The fiber combinations material being made of alumina silicate fibre, steel fibre and glass fibre can be such that the impermeability of water-tight concrete improves.
It can be obtained by the control of the test result of test specimen 1-8 and test specimen 18-20, polyaniline is added, make water-tight concrete entirety
Impermeability increases.It can be obtained by the control of the test result of test specimen 1-8 and test specimen 21-24, it is presently disclosed
Water-reducing agent and impervious agent be suitable for water-tight concrete.
The test result of table 2 test specimen 1-24 and control sample 1-3
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of water-tight concrete, which is characterized in that the component including following parts by weight:
180~200 parts of water；
750~800 parts of middle sand；
1100~1300 parts of stone；
240~260 parts of portland cement；
50~70 parts of flyash；
60~80 parts of miberal powder；
3~7 parts of methyl silicon sodium alcoholate；
9~12 parts of whisker fillers；
2~3 parts of water-reducing agent；
2.5~4.5 parts of impervious agent.
2. water-tight concrete according to claim 1, which is characterized in that be additionally added parts by weight in the water-tight concrete
Number is 5~6 parts of compounded mix, and compounded mix mainly includes triethanolamine and sodium nitrite, and triethanolamine and sodium nitrite
Weight fraction ratio be 1:(0.4~0.6).
3. water-tight concrete according to claim 1, which is characterized in that be additionally added parts by weight in the water-tight concrete
Number is 12~15 parts of fiber combinations material, and fiber combinations material mainly includes alumina silicate fibre, steel fibre and glass fibre, and silicic acid
The weight fraction ratio of aluminum fiber, steel fibre and glass fibre is 1:(0.3~0.5): (0.6~0.8).
4. water-tight concrete according to claim 1, which is characterized in that be additionally added parts by weight in the water-tight concrete
The polyaniline that number is 1.5~2.5 parts.
5. water-tight concrete according to claim 1, which is characterized in that the whisker fillers are silicon carbide whisker, sulfuric acid
One of calcium pyroborate, magnesium borate crystal whisker and alumina whisker or a variety of water-tight concretes according to claim 1, it is special
Sign is that the water-reducing agent is one of sodium lignin sulfonate, sodium sulfite, tannin and sugar calcium or a variety of.
6. water-tight concrete according to claim 1, which is characterized in that the impervious agent is mesh polypropylene-fibre, first
One of sour calcium, calcium chloride and urea are a variety of.
7. a kind of preparation process of water-tight concrete as described in claim 1, which comprises the following steps:
The stone of corresponding parts by weight, middle sand, flyash, portland cement, miberal powder are being stirred mixing by step 1, and
It is dried, obtains mixture；
The whisker fillers of corresponding parts by weight are added in step 2 in mixture, are stirred drying, obtain base-material；
The water of corresponding parts by weight, methyl silicon sodium alcoholate, water-reducing agent and impervious agent are put into a mixing bowl and are stirred by step 3,
Obtain mixed liquor；
Base-material is poured into mixed liquor several times, and is constantly stirred by step 4, and water-tight concrete can be obtained.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811646838.2A CN109626906A (en) | 2018-12-29 | 2018-12-29 | A kind of water-tight concrete and its preparation process |
Applications Claiming Priority (1)
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Cited By (9)
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| CN110078448A (en) * | 2019-05-15 | 2019-08-02 | 宁波西立混凝土有限公司 | A kind of cracking resistance early strength concrete and preparation method thereof |
| CN110451860A (en) * | 2019-08-26 | 2019-11-15 | 厦门美益兴业建材有限公司 | A kind of energy-saving high-temperature-resistant concrete and preparation method thereof |
| CN110550913A (en) * | 2019-10-14 | 2019-12-10 | 上海浦盈混凝土有限公司 | Impervious concrete and preparation process thereof |
| CN111196704A (en) * | 2020-01-19 | 2020-05-26 | 上海石化安东混凝土有限公司 | Concrete for prefabricated part and preparation method thereof |
| CN112299808A (en) * | 2020-10-19 | 2021-02-02 | 同济大学 | High-performance facing mortar and preparation method thereof |
| CN112456906A (en) * | 2020-12-01 | 2021-03-09 | 浙江工业大学 | Application of silicon carbide whiskers in preparation of wear-resistant toughened anti-crack cement-based material |
| CN112939531A (en) * | 2021-01-23 | 2021-06-11 | 广州市鸿磊混凝土有限公司 | Waterproof impervious concrete and preparation method thereof |
| CN113800856A (en) * | 2021-10-08 | 2021-12-17 | 厦门超荣建材有限公司 | Concrete drain pipe with good anti-permeability performance and production process thereof |
| CN115010430A (en) * | 2022-05-31 | 2022-09-06 | 琼海鑫海混凝土有限公司 | Water-based concrete with improved durability and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110078448B (en) * | 2019-05-15 | 2021-07-30 | 宁波西立混凝土有限公司 | Anti-cracking early-strength concrete and preparation method thereof |
| CN110078448A (en) * | 2019-05-15 | 2019-08-02 | 宁波西立混凝土有限公司 | A kind of cracking resistance early strength concrete and preparation method thereof |
| CN110451860A (en) * | 2019-08-26 | 2019-11-15 | 厦门美益兴业建材有限公司 | A kind of energy-saving high-temperature-resistant concrete and preparation method thereof |
| CN110451860B (en) * | 2019-08-26 | 2021-08-31 | 厦门美益兴业建材有限公司 | Energy-saving high-temperature-resistant concrete and preparation method thereof |
| CN110550913A (en) * | 2019-10-14 | 2019-12-10 | 上海浦盈混凝土有限公司 | Impervious concrete and preparation process thereof |
| CN110550913B (en) * | 2019-10-14 | 2021-08-10 | 上海浦盈混凝土有限公司 | Impervious concrete and preparation process thereof |
| CN111196704A (en) * | 2020-01-19 | 2020-05-26 | 上海石化安东混凝土有限公司 | Concrete for prefabricated part and preparation method thereof |
| CN111196704B (en) * | 2020-01-19 | 2022-05-20 | 上海石化安东混凝土有限公司 | Concrete for prefabricated part and preparation method thereof |
| CN112299808A (en) * | 2020-10-19 | 2021-02-02 | 同济大学 | High-performance facing mortar and preparation method thereof |
| CN112456906A (en) * | 2020-12-01 | 2021-03-09 | 浙江工业大学 | Application of silicon carbide whiskers in preparation of wear-resistant toughened anti-crack cement-based material |
| CN112939531A (en) * | 2021-01-23 | 2021-06-11 | 广州市鸿磊混凝土有限公司 | Waterproof impervious concrete and preparation method thereof |
| CN113800856A (en) * | 2021-10-08 | 2021-12-17 | 厦门超荣建材有限公司 | Concrete drain pipe with good anti-permeability performance and production process thereof |
| CN115010430A (en) * | 2022-05-31 | 2022-09-06 | 琼海鑫海混凝土有限公司 | Water-based concrete with improved durability and preparation method thereof |
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Application publication date: 20190416 |