CN107721313A - A kind of cracking resistance motar material and preparation method thereof - Google Patents
A kind of cracking resistance motar material and preparation method thereof Download PDFInfo
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- CN107721313A CN107721313A CN201711078385.3A CN201711078385A CN107721313A CN 107721313 A CN107721313 A CN 107721313A CN 201711078385 A CN201711078385 A CN 201711078385A CN 107721313 A CN107721313 A CN 107721313A
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- Prior art keywords
- parts
- cracking resistance
- portland cement
- sand
- higher level
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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
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention belongs to building material technical field, and in particular to a kind of cracking resistance motar material and preparation method thereof, it includes each component of following parts by weight：400~500 parts of Portland cement, 350~400 parts of engineering sand, 250~300 parts of flyash, 5~10 parts of polypropylene fibre, 5~10 parts of cellulose ether.The cracking resistance motar material that this hair is provided, with good application property, water-retaining property, it can be widely applied to building wall, relative to tradition or existing product, the micro-crack that cement products is formed initial stage in hardening is set to be stopped in evolution, so as to improve the fracture toughness of cement products, improve the anti-crack and anti-seepage performance of cement products, be mortar, concrete works cracking resistance, antiseepage, wear-resisting, insulation new type ideal material.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of cracking resistance motar material and preparation method thereof.
Background technology
With the continuous propulsion that China's construction material is reformed, substantial amounts of novel wall material is widely used, and
Form using walling unit as leading materials for wall structural system.Walling unit water imbibition is strong, and shrinkage is big, mixing in mortar
Heshui is siphoned away by materials for wall quickly, and traditional motar workability, poor water retention property, and adhesion strength is low, and there is open
Split, dry linting the problems such as, the quality of building can be had a strong impact on, therefore traditional motar can not meet existing wall plastering
Construction requirement maintains quickly with the fast development of market economy and the continuous improvement of people's living standard, dwelling construction
The impetus of development, at the same time, people increasingly advocate the comfortableization of living environment, superior and gracefulization, and numerous residents exist
Different degrees of finishing will be carried out before moving house, to create graceful, comfortable living environment, this has just driven decorations
Upsurge and the rise of inside plant modernization.
Due to traditional motar, application property is poor in various building blocks, low with building block adhesion strength and easily open after drying
Split, have a strong impact on construction quality, thus also urgently need one kind can mechanical execution, crack resistance it is good, have preferable adhesion strength and
The motar of low drying shrinkage, the cracking resistance of overall metope is improved, avoid the generation of various different degrees of crackings.
The content of the invention
To solve the deficiencies in the prior art, the invention provides a kind of cracking resistance motar material and preparation method thereof, its
With very high cracking resistance, building surface is applied to, and can be suitably used for block material, the concrete wall surface of currently the majority
Deng, it is possible to reduce crack, make building enhancing intensity, strengthen anti-permeability performance, be more attractive in appearance.
Technical scheme provided by the present invention is as follows：
A kind of cracking resistance motar material, include each component of following parts by weight：400~500 parts of normal silicate water
Mud, 350~400 parts of engineering sand, 250~300 parts of flyash, 5~10 parts of polypropylene fibre, 5~10 parts of cellulose
Ether.
The cracking resistance motar material that above-mentioned technical proposal is provided has good application property, and water-retaining property can be extensive
Applied to building wall, relative to tradition or existing product, developing the micro-crack that cement products is formed initial stage in hardening
During stopped, so as to improve the fracture toughness of cement products, improve the anti-crack and anti-seepage performance of cement products.
Specifically, a diameter of 25~50 μm of polypropylene fibre, length is 10~15mm.
Specifically, described engineering sand is any one in quartz sand, dolomite sand or natural river sand.
Specifically, described Portland cement be P I 42.5 with higher level's portland cement, P II 42.5 with higher level
Portland cement or PO42.5 are with higher level's portland cement.
Present invention also offers a kind of preparation method of cracking resistance motar material, comprise the following steps：By 400~500
The Portland cement, 350~400 parts of engineering sand, 250~300 parts of flyash, 5~10 parts of polypropylene fibre of part
Cellulose ether with 5~10 parts uniformly mixes, and obtains cracking resistance motar material.
Specifically, a diameter of 25~50 μm of polypropylene fibre, length is 10~15mm.
Specifically, described engineering sand is any one in quartz sand, dolomite sand or natural river sand.
Specifically, described Portland cement be P I 42.5 with higher level's portland cement, P II 42.5 with higher level
Portland cement or PO42.5 are with higher level's portland cement.
The cracking resistance motar material that this hair is provided, there is good application property, water-retaining property, can be widely applied to build
Build thing metope, relative to tradition or existing product, make micro-crack that cement products formed in hardening initial stage in evolution by
To stop, so as to improve the fracture toughness of cement products, improve the anti-crack and anti-seepage performance of cement products, be mortar, concrete
Engineering cracking resistance, antiseepage, wear-resisting, insulation new type ideal material.
Embodiment
The principles and features of the present invention are described below, and the given examples are served only to explain the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
By 500 parts of Portland cement, 350 parts of engineering sand, 300 parts of flyash, 5 parts of polypropylene fibre and
10 parts of cellulose ether uniformly mixes, and obtains cracking resistance motar material product 1.
Wherein：A diameter of 25 μm of polypropylene fibre, length 15mm；Engineering sand is quartz sand；Portland cement
For the portland cements of P I 42.5, P II 42.5 with higher level's portland cement or PO42.5 with higher level's portland cement.
Embodiment 2
By 400 parts of Portland cement, 400 parts of engineering sand, 250 parts of flyash, 10 parts of polypropylene fibre
Cellulose ether with 5 parts uniformly mixes, and obtains cracking resistance motar material product 2.
Wherein：A diameter of 50 μm of polypropylene fibre, length 10mm；Engineering sand is quartz sand；Portland cement
For I 42.5 grades of portland cements of P.
Embodiment 3
By 400 parts of Portland cement, 350 parts of engineering sand, 300 parts of flyash, 10 parts of polypropylene fibre
Cellulose ether with 5 parts uniformly mixes, and obtains cracking resistance motar material product 3.
Wherein：A diameter of 25 μm of polypropylene fibre, length 15mm；Engineering sand dolomite sand；Portland cement
For II 42.5 grades of portland cements of P.
Embodiment 4
By 500 parts of Portland cement, 400 parts of engineering sand, 250 parts of flyash, 5 parts of polypropylene fibre and
10 parts of cellulose ether uniformly mixes, and obtains cracking resistance motar material product 4.
Wherein：A diameter of 50 μm of polypropylene fibre, length 10mm；Engineering sand is natural river sand；Normal silicate water
Mud is PO42.5 level portland cements.
Embodiment 5
By 450 parts of Portland cement, 380 parts of engineering sand, 280 parts of flyash, 8 parts of polypropylene fibre and
8 parts of cellulose ether uniformly mixes, and obtains cracking resistance motar material product 5.
Wherein：A diameter of 35 μm of polypropylene fibre, length 12mm；Engineering sand is natural river sand；Normal silicate water
Mud is PO42.5 portland cements.
Comparative example 1
By 400~500 parts of Portland cement, 350~400 parts of engineering sand, 250~300 parts of flyash, 5
~10 parts of polypropylene fibre and 5~10 parts of cellulose ether uniformly mix, and obtain cracking resistance motar material comparative example 1.
Wherein：A diameter of 25~50 μm of polypropylene fibre, length are 10~15mm；Engineering sand is quartz sand, dolomite
Sand or natural river sand；Portland cement is for P I 42.5 with higher level's portland cement, P II 42.5 with higher level's silicate cement
Mud or PO42.5 are with higher level's portland cement.
Comparative example 2
By 400~500 parts of Portland cement, 350~400 parts of engineering sand, 250~300 parts of flyash, 5
~10 parts of polypropylene fibre and 5~10 parts of cellulose ether uniformly mix, and obtain cracking resistance motar material comparative example 2.
Wherein：A diameter of 25~50 μm of polypropylene fibre, length are 10~15mm；Engineering sand is quartz sand, dolomite
Sand or natural river sand；Portland cement is for P I 42.5 with higher level's portland cement, P II 42.5 with higher level's silicate cement
Mud or PO42.5 are with higher level's portland cement.
The cracking resistance motar material obtained to each embodiment carries out performance test, as a result as shown in the table：
From above table it can also be seen that according to the motar provided by the present invention for being formulated and obtaining, have good
Splitting resistance, there is the combination properties such as shock resistance, can significantly improve the crack resistance of motar.And in the volume of flyash
In the case of less than volume and higher than volume, obtained motar is but difficult to the balance for reaching cracking resistance and intensity etc..
The better embodiment of the present invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of cracking resistance motar material, it is characterised in that include each component of following parts by weight：400~500 parts common
Portland cement, 350~400 parts of engineering sand, 250~300 parts of flyash, 5~10 parts of polypropylene fibre, 5~10 parts
Cellulose ether.
2. cracking resistance motar material according to claim 1, it is characterised in that：A diameter of the 25~50 of polypropylene fibre
μm, length is 10~15mm.
3. cracking resistance motar material according to claim 1, it is characterised in that：Described engineering sand is quartz sand, in vain
Any one in marble sand or natural river sand.
4. cracking resistance motar material according to any one of claims 1 to 3, it is characterised in that：Described normal silicate
Cement be P I 42.5 with higher level's portland cement, P II 42.5 with higher level's portland cement or PO42.5 with higher level's silicic acid
Salt cement.
5. a kind of preparation method of cracking resistance motar material, it is characterised in that comprise the following steps：It is general by 400~500 parts
Logical portland cement, 350~400 parts of engineering sand, 250~300 parts of flyash, 5~10 parts of polypropylene fibre and 5~10
The cellulose ether of part uniformly mixes, and obtains cracking resistance motar material.
6. the preparation method of cracking resistance motar material according to claim 5, it is characterised in that：Polypropylene fibre it is straight
Footpath is 25~50 μm, and length is 10~15mm.
7. the preparation method of cracking resistance motar material according to claim 5, it is characterised in that：Described engineering sand is
Any one in quartz sand, dolomite sand or natural river sand.
8. according to the preparation method of any described cracking resistance motar material of claim 5 to 7, it is characterised in that：Described
Portland cement is for P I 42.5 with higher level's portland cement, P II 42.5 with higher level's portland cement or PO42.5
With higher level's portland cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078385.3A CN107721313A (en) | 2017-11-06 | 2017-11-06 | A kind of cracking resistance motar material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711078385.3A CN107721313A (en) | 2017-11-06 | 2017-11-06 | A kind of cracking resistance motar material and preparation method thereof |
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| CN107721313A true CN107721313A (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711078385.3A Withdrawn CN107721313A (en) | 2017-11-06 | 2017-11-06 | A kind of cracking resistance motar material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851598A (en) * | 2020-08-03 | 2020-10-30 | 核工业二0三研究所 | Construction method of anti-cracking wear-resistant radon radiation shielding coating |
| CN113651582A (en) * | 2021-09-26 | 2021-11-16 | 浙江忠信新型建材股份有限公司 | Plastering mortar with good volume stability and construction process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776993A (en) * | 2016-02-01 | 2016-07-20 | 湖北恒福节能科技有限公司 | Anti-cracking plastering mortar |
-
2017
- 2017-11-06 CN CN201711078385.3A patent/CN107721313A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776993A (en) * | 2016-02-01 | 2016-07-20 | 湖北恒福节能科技有限公司 | Anti-cracking plastering mortar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851598A (en) * | 2020-08-03 | 2020-10-30 | 核工业二0三研究所 | Construction method of anti-cracking wear-resistant radon radiation shielding coating |
| CN113651582A (en) * | 2021-09-26 | 2021-11-16 | 浙江忠信新型建材股份有限公司 | Plastering mortar with good volume stability and construction process thereof |
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Application publication date: 20180223 |