CN105753384A - Mortar base material and preparation method thereof - Google Patents
Mortar base material and preparation method thereof Download PDFInfo
- Publication number
- CN105753384A CN105753384A CN201610071025.XA CN201610071025A CN105753384A CN 105753384 A CN105753384 A CN 105753384A CN 201610071025 A CN201610071025 A CN 201610071025A CN 105753384 A CN105753384 A CN 105753384A
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- grams
- base material
- water
- mortar base
- cement
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
Abstract
The invention provides a mortar base material. The mortar base material is prepared from the following components in parts by mass: 100 parts of cement, 120 to 200 parts of quartz sand, 0.3 to 0.5 part of water reducing agent, 0.1 to 0.15 part of defoamer and 20 to 50 parts of water. The mortar base material provided by the invention has the advantages of high surface planeness, easiness in cracking as well as simplicity and convenience in experimental operation.
Description
Technical field
The present invention relates to building material field, in particularly a kind of buildings waterproof film performance test
Mortar base material of bridge joint crack test and preparation method thereof.
Background technology
Waterproof coating is a kind of with cement, fine aggregate as key component, polymer emulsion or can be again
Dispersed latex powder is modifying agent, adds the architectural waterproof material that appropriate amount of addition agent is made.Have certain
Extensibility, water proofing property, strong with basal plane cementitiousness, be widely used in exterior wall, roofing,
Lower room and lavatory etc. need waterproof position.When basic unit's mortar or concrete produce minute crack,
It is coated on waterproof coating above and should have certain crack remedy ability, to resist crack diffusion
And the water-proof function caused lost efficacy.This basic unit's crackle that bears spreads, prevents changes in material properties
Ability be referred to as bridge joint crack ability.
The ultimate principle of bridge joint crack method of testing is the mortar base material at reserved crack bullport
On smear waterproof coating, make after maintenance to certain age base material along bullport ftracture, reach to crack
To one fixed width, observe waterproof coating and occur when defect (such as pinprick, crack etc.) lost efficacy
Fracture width, is labeled as bridging crack ability.
In bridge joint crack test, one is needed to make simple and cost rational mortar base material.
Summary of the invention
For the defect of prior art, according to an aspect of the present invention, it is provided that a kind of mortar base
Material, may be used for bridging in crack test, it is characterised in that each component of described mortar base material
Mass fraction be: cement 100 parts, quartz sand 120-200 part, water reducer 0.3-0.5 part,
Defoamer 0.1-0.15 part, 30 parts-50 parts of water.
Preferably, described cement is following one:
-strength grade is the Portland cement of 52.5R；Or
-strength grade is 52.5R portland cement.
Preferably, described water reducer, defoamer are powder.
Preferably, described quartz sand is the quartz sand of 40-100 mesh.
Preferably, the formula of described mortar base material is: cement 1000 grams, quartz sand 1200 grams,
Water reducer 3 grams, defoamer 1 gram, 300 grams of water.
Preferably, the formula of described mortar base material is: cement 1000 grams, quartz sand 1500 grams,
Water reducer 3.5 grams, defoamer 1.2 grams, 350 grams of water.
Preferably, the formula of described mortar base material is: cement 1000 grams, quartz sand 1800 grams,
Water reducer 4.3 grams, defoamer 1.4 grams, 450 grams of water.
Preferably, the formula of described mortar base material is: cement 1000 grams, quartz sand 2000 grams,
Water reducer 5 grams, defoamer 1.5 grams, 500 grams of water.
According to a further aspect in the invention, it is provided that a kind of method producing mortar base material, it is used for producing
Any of the above-described mortar base material, it is characterised in that comprise the steps:
It is added to the water to stir evenly by water reducer and defoamer and obtains mixing water, then depend in described mixing water
Secondary addition cement and quartz sand are stirred, and finally give slurry；
Pouring described slurry into die trial and strike off, putting into temperature is 20 ± 1 DEG C, and relative humidity is the lowest
Curing in the mold 24 hours in the curing box of 90%, take out die trial and form removal obtains test specimen；
Described test specimen is put into maintenance in saturated limewater take out after 6 days and rinse well with water,
The baking oven of 110 ± 5 DEG C is dried 30 minutes, then room temperature cooling obtains described mortar base material.
Preferably, described step a comprises the steps:
A1. it is added to the water to stir evenly by water reducer and defoamer and obtains described mixing water；
A2. described mixing water is joined in agitated kettle, adds stirring at low speed 30 seconds after cement,
Described stirring at low speed refers to that the rotational velocity of stirring vane is 140 ± 5 revs/min, described paddle
Sheet is 62 ± 5 revs/min relative to described agitated kettle revolution speed；
A3. in described agitated kettle, add quartz sand and keep stirring at low speed state, described quartz sand
High-speed stirred 30 seconds again after interpolation, described high-speed stirred refers to the rotational velocity of stirring vane
Being 280 ± 10 revs/min, described stirring vane relative to described agitated kettle revolution speed is
125 ± 10 revs/min；
A4. with scraper by the uneven mixture on paddle and material pot wall in stopping stirring latter 30 seconds
Scrape, stand after 90 seconds high-speed stirred 60 seconds again.
The present invention provide mortar base material processing technology should be simple, product meet use require and
Cost economical rationality, surface smoothness is high, and capping is easy, and crack fracture is neat, it is simple to implement
The subsequent operation of bridge joint crack experiment.
Accompanying drawing explanation
The detailed description with reference to the following drawings, non-limiting example made by reading, this
Bright other features, objects and advantages will become more apparent upon:
Fig. 1 shows a specific embodiment of the present invention, the making of a kind of mortar base material
The flow chart of method；And
Fig. 2 shows one embodiment of the present of invention, the flow chart of configuration slurry.
Detailed description of the invention
According to a specific embodiment of the present invention, it is provided that a kind of mortar base material, described mortar
The mass fraction of each component of base material is: cement 100 parts, quartz sand 120-200 part, water reducer
0.3-0.5 part, defoamer 0.1-0.15 part, 30 parts-50 parts of water.Specifically, described cement
The Portland cement that strength grade can be selected to be 52.5R, or select strength grade be
52.5R portland cement.It will be appreciated by those skilled in the art that Portland cement is at silicate
Add the mixing material of 6%-20% in clinker, proper amount of gypsum is levigate makes, although both
Performance the most relatively, but is mixed with mixing material because of in Portland cement, so both
Performance also has certain difference, and in the present invention, those skilled in the art can answer according to actual
Situation select any of which, as long as proof strength grade is 52.5R.
Further, described water reducer and defoamer are commonly refereed to as additive, and it belongs to is giving birth to
Producing additive during described mortar base material, according to the difference of reality application, those skilled in the art are also
Other additive such as thickening agent, accelerator can be added, at this on the basis of the formula of the present invention
It will not go into details.Specifically, described water reducer belongs to anion surfactant mostly, can be liquid
Body shape, it is also possible to be powdery, its active component is usually lignin sulfonate water reducer class, naphthalene
Series high-efficiency water-reducing agent class, melamine superplasticizer class, Amino-sulfonic Acid-based Water-reducer
Class, fatty acid series height water reducer class or polycarboxylate high-efficiency water-reducing agent class etc., described water reducer
After addition, cement granules there is is peptizaiton, its workability can be improved, reduce unit consumption of water, change
The mobility of kind slurry, and reduce unit cement consumption, save cement.
More specifically, described defoamer sets mainly for the feature bubbled in slurry whipping process
Meter, adds defoamer and can effectively control foam in slurry and produce, and makes the mortar base material made more
Fine and close light, the active component of described defoamer be generally polysiloxanes, polyethers, higher alcohol,
Mineral oil or vegetable oil etc., described active component can coordinate emulsifying agent, carrier and emulsifying to help
The emulsifyings such as agent are that emulsion type defoaming agent uses, it is also possible to coordinate emulsifying agent and be polymerized to the froth breaking of powdery
Agent uses.In the present invention, it is preferred to, use water reducer and the defoamer, such as bar of powdery
The efficient plasticising water reducer that the trade mark is 1641F that Si Fu company produces, and the trade mark is DF9010F
Defoamer.
Further, described quartz sand uses as aggregate in described mortar base material formula, is also
A kind of silicate mineral, generally selects according to mesh number during use, in the present invention, it is preferred to
Selecting the quartz sand of 40-100 mesh, this is to make the mesh number that decorative mortar is generally selected.
Following present the formula of four specific embodiments of the present invention, be respectively as follows:
Formula one: cement 1000 grams, quartz sand 1200 grams, water reducer 3 grams, defoamer 1 gram,
300 grams of water.
Formula two: cement 1000 grams, quartz sand 1500 grams, water reducer 3.5 grams, defoamer 1.2
Gram, 410 grams of water.
Formula three: cement 1000 grams, quartz sand 1800 grams, water reducer 4.3 grams, defoamer 1.4
Gram, 350 grams of water.
Formula four: cement 1000 grams, quartz sand 2000 grams, water reducer 5 grams, defoamer 1.5
Gram, 500 grams of water.
It will be appreciated by those skilled in the art that the addition of described quartz sand affect mortar base material cost and
Comprcssive strength, increases the addition of described quartz sand, then the cost of mortar base material can reduce, resistance to compression
Intensity can reduce.The addition of described water reducer affects the fluidity of slurry and described mortar base material
Cost and comprcssive strength, increase the addition of described water reducer, then the fluidity of slurry can increase,
The cost of mortar base material can increase, and comprcssive strength can increase.The addition impact slurry of described defoamer
The density of body, fluidity and the cost of mortar base material and comprcssive strength, increase described defoamer
Addition, then the density of slurry can increase, and fluidity can reduce, and the cost of mortar base material can increase,
Comprcssive strength can improve.The addition of water affect the fluidity of slurry and the cost of mortar base material and
Comprcssive strength, increases the consumption of water, can increase the fluidity of slurry and reduce the one-tenth of mortar base material
Basis and comprcssive strength.
Described mortar base material is produced according to aforementioned four formula, at formative stage, described slurry close
Degree is more than 1800kg/m3, fluidity is more than 110mm, after described mortar base material completes, 28
The comprcssive strength obtained is tested in 20-30MPa, the test mode of the density of wherein said slurry after it
Carrying out according to the standard disclosed in JGJ/T 70-2009, the fluidity of described slurry uses Self-leveling
Mortar'S Flowability method of testing is measured, described comprcssive strength according to GB/T 17671-1999 disclosed in
Standard carry out, according to above-mentioned technical specification, the mortar base material easy-formation of the present invention, low cost,
And it is fully able to meet the requirement of bridge joint crack test, simultaneously because the fluidity of slurry is good,
Therefore can save the step of jolt ramming slurry at formative stage, improve life compared to prior art
Produce efficiency.
Fig. 1 shows according to another embodiment of the present invention, a kind of production mortar base material
Method, be used for producing described mortar base material, it is characterised in that comprise the steps:
Perform step S101, be added to the water to stir evenly by water reducer and defoamer and obtain mixing water, then to
Described mixing water sequentially or simultaneously adds cement and quartz sand is stirred, finally give slurry
Body.In concrete application, use planetary cement mortar mixer, with above-mentioned formula one to joining
As a example by Fang Si, the stirring vane overall length of described blender is 198 ± 1mm, and stirring effective length is
130 ± 2mm, stirring vane overall width is 135.0mm～135.5mm, and the wing of stirring vane is a width of
The wing thickness of 8 ± 1mm. stirring vane is 5 ± 1mm, the workplace in the bottom of a pan of stirring vane and agitated kettle
Gap is 3 ± 1mm, and stirring vane is also 3 ± 1mm with the working clearance of the pot wall of agitated kettle.Preferably
Ground, this step is carried out according to following standard:
Perform step S1011, be added to the water to stir evenly by water reducer and defoamer and obtain described mixing water.
Perform step S1012, described mixing water is joined in agitated kettle, low after adding cement
Speed stirring 30 seconds, described stirring at low speed refers to that the rotational velocity of stirring vane is 140 ± 5 revs/min
Clock, described stirring vane is 62 ± 5 revs/min relative to described agitated kettle revolution speed.
Perform step S1013, in described agitated kettle, add quartz sand and keep stirring at low speed state,
Described quartz sand add after high-speed stirred 30 seconds again, described high-speed stirred refers to stirring vane
Rotational velocity be 280 ± 10 revs/min, described stirring vane revolves round the sun relative to described agitated kettle
Speed is 125 ± 10 revs/min.
Perform step S1014, stop stirring high-speed stirred 60 seconds again after standing 90 seconds.Specifically
Ground, during stopping stirring and standing, it is possible to use rubber scraping is by blade and pot wall
Slurry scrape the centre into agitated kettle.
Further, on the basis of performing step S101, perform step S102, by described slurry
Body is poured die trial into and strikes off, and putting into temperature is 20 ± 1 DEG C, and relative humidity is not less than the maintenance of 90%
Curing in the mold 24 hours in case, take out die trial and form removal obtains test specimen.
Further, perform step S103, described test specimen is put into maintenance 6 days in saturated limewater
Rear taking-up is also rinsed well with water, dries 30 minutes, then room temperature is cold in the baking oven of 110 ± 5 DEG C
But described mortar base material is obtained.Specifically, this step be described mortar base material curing step one
Part, after this step is finished, described mortar base material then may be considered and completed.
It will be appreciated by those skilled in the art that, in concrete application, the strength test cycle of described mortar base material can
To be divided into multiple stage to carry out, the time starting to perform from described step S101 starts at, can be every
24 hours, 48 hours, 72 hours, 7 days or test in 28 days are described, but described strength test
Cycle is a kind of means that those skilled in the art obtain data when experiment, with mortar described in molding
Base material there is no direct correlation, such as, in specific experiment, experimenter can make multiple described examination
Part, and put in saturated limewater, be then respectively separated 24 hours, 48 hours, 72 hours with
And take out a described test specimen test performance in 7 days, it is also possible to complete at described mortar base material
After, re-test performance after placing 28 days in atmosphere, these do not affect in the essence of the present invention
Hold, do not repeat them here.
Above the specific embodiment of the present invention is described.It is to be appreciated that the present invention
Being not limited to above-mentioned particular implementation, those skilled in the art can be at the model of claim
Making various deformation or amendment in enclosing, this has no effect on the flesh and blood of the present invention.
Claims (10)
1. a mortar base material, it is characterised in that the mass fraction of each component of described mortar base material
For: cement 100 parts, quartz sand 120-200 part, water reducer 0.3-0.5 part, defoamer 0.1-0.15
Part, 30 parts-50 parts of water.
Mortar base material the most according to claim 1, it is characterised in that described cement is as follows
One:
-strength grade is the Portland cement of 52.5R；Or
-strength grade is 52.5R portland cement.
Mortar base material the most according to claim 2, it is characterised in that described water reducer, disappear
Infusion is powder.
Mortar base material the most according to claim 3, it is characterised in that described quartz sand is
The quartz sand of 40-100 mesh.
Mortar base material the most according to claim 4, it is characterised in that described mortar base material
Formula is: cement 1000 grams, quartz sand 1200 grams, water reducer 3 grams, defoamer 1 gram, water
300 grams.
Mortar base material the most according to claim 4, it is characterised in that described mortar base material
Formula is: cement 1000 grams, quartz sand 1500 grams, water reducer 3.5 grams, defoamer 1.2 grams,
350 grams of water.
Mortar base material the most according to claim 4, it is characterised in that described mortar base material
Formula is: cement 1000 grams, quartz sand 1800 grams, water reducer 4.3 grams, defoamer 1.4 grams,
450 grams of water.
Mortar base material the most according to claim 4, it is characterised in that described mortar base material
Formula is: cement 1000 grams, quartz sand 2000 grams, water reducer 5 grams, defoamer 1.5 grams,
500 grams of water.
9. a manufacture method for mortar base material, is used for producing institute any one of claim 1 to 8
The mortar base material stated, it is characterised in that comprise the steps:
A. it is added to the water to stir evenly by water reducer and defoamer and obtains mixing water, then in described mixing water
It is sequentially added into cement and quartz sand is stirred, finally give slurry；
B. pouring described slurry into die trial and strike off, putting into temperature is 20 ± 1 DEG C, and relative humidity is not
Less than curing in the mold in the curing box of 90% 24 hours, take out die trial and form removal obtains test specimen；
C., described test specimen is put into maintenance in saturated limewater take out after 6 days and rinse well with water,
The baking oven of 110 ± 5 DEG C is dried 30 minutes, is cooled to room temperature and obtains described mortar base material.
Mortar base material the most according to claim 9, it is characterised in that described step a bag
Include following steps:
A1. it is added to the water to stir evenly by water reducer and defoamer and obtains described mixing water；
A2. described mixing water is joined in agitated kettle, adds stirring at low speed 30 seconds after cement,
Described stirring at low speed refers to that the rotational velocity of stirring vane is 140 ± 5 revs/min and described paddle
Sheet is 62 ± 5 revs/min relative to described agitated kettle revolution speed；
A3. in described agitated kettle, add quartz sand and keep stirring at low speed state, described quartz sand
High-speed stirred 30 seconds again after interpolation, described high-speed stirred refers to the rotational velocity of stirring vane
It is 280 ± 10 revs/min and described stirring vane relative to described agitated kettle revolution speed is
125 ± 10 revs/min；
A4. with scraper by the uneven mixture on paddle and material pot wall in stopping stirring latter 30 seconds
Scrape, stand after 90 seconds high-speed stirred 60 seconds again.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106738270A (en) * | 2016-11-21 | 2017-05-31 | 哈尔滨工业大学 | Method using nature aquation method control Concrete Material upper surface level is intervened |
| CN110070310A (en) * | 2019-05-08 | 2019-07-30 | 南京瑞迪高新技术有限公司 | A kind of roller penetrates the fast appraisement method of technique PCCP protective layer mortar design mixture proportion |
| CN110818337A (en) * | 2019-06-24 | 2020-02-21 | 广州六润建材有限公司 | Mortar base material and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738270A (en) * | 2016-11-21 | 2017-05-31 | 哈尔滨工业大学 | Method using nature aquation method control Concrete Material upper surface level is intervened |
| CN110070310A (en) * | 2019-05-08 | 2019-07-30 | 南京瑞迪高新技术有限公司 | A kind of roller penetrates the fast appraisement method of technique PCCP protective layer mortar design mixture proportion |
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| CN110818337B (en) * | 2019-06-24 | 2022-04-05 | 广州六润建材有限公司 | Mortar base material and manufacturing method thereof |
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| CN105753384B (en) | 2018-09-28 |
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