CN106587820A - Hand throwing type early-strength impermeable concrete and preparation method thereof - Google Patents
Hand throwing type early-strength impermeable concrete and preparation method thereof Download PDFInfo
- Publication number
- CN106587820A CN106587820A CN201611121330.1A CN201611121330A CN106587820A CN 106587820 A CN106587820 A CN 106587820A CN 201611121330 A CN201611121330 A CN 201611121330A CN 106587820 A CN106587820 A CN 106587820A
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- concrete
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- 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
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/04—Macromolecular compounds
- C04B16/06—Macromolecular compounds fibrous
- C04B16/0616—Macromolecular compounds fibrous from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B16/0625—Polyalkenes, e.g. polyethylene
- C04B16/0633—Polypropylene
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/10—Acids or salts thereof containing carbon in the anion
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/08—Acids or salts thereof
- C04B22/12—Acids or salts thereof containing halogen in the anion
- C04B22/124—Chlorides of ammonium or of the alkali or alkaline earth metals, e.g. calcium chloride
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2641—Polyacrylates; Polymethacrylates
-
- 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
- C04B2201/05—Materials having an early high strength, e.g. allowing fast demoulding or formless casting
-
- 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
Landscapes
- 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 invention discloses hand throwing type early-strength impermeable concrete and a preparation method thereof. The hand throwing type early-strength impermeable concrete is prepared from components of raw materials as follows: cement, natural sand, rubbles, water, an early strength agent, an acrylic emulsion, fly ash and chopped propene fibers through mixing. After acrylic emulsion is added to the concrete, the stress state in cement stone is improved, the deformability is enhanced, and the probability of cracks is reduced; the chopped polypropylene fibers can play reinforcing and toughening roles after being added, so that the anti-cracking capacity of the concrete is improved; the early strength agent is used for adjusting the setting time of concrete to meet the construction requirement, the concrete is applied to walls through hand throwing, formwork erection is not required, auxiliary concrete applying injection equipment is not needed, the construction difficulty of water stop plugging or repair reinforcing of the concrete structure is obviously reduced, the construction efficiency is improved, and the construction cost is saved.
Description
Technical field
The invention belongs to building material technical field, more particularly to a kind of hand falls the early strong water-tight concrete of formula and its preparation side
Method.
Background technology
With the continuous development of component materials of concrete, people are not limited solely to pressure resistance to the performance requirement of concrete
Degree, but on the basis of intensity is based oneself upon, more focus on durability, deformation performance, antiseepage water resistance, the healthy ring of concrete
The balance of the overall targets such as guarantor, efficiency of construction, easy construction and reduces cost and coordination.Meanwhile, novel construction process is not
It is disconnected to emerge in large numbers and promote, make the concrete technology adapt to different designs, construction and use requirement, while concrete raw material is sent out
Exhibition, concrete works design requirement is continually changing, and is that development performance is more excellent, function is more powerful, more adapts to new technology, expires
The concrete of sufficient special engineering design requirement is put forward higher requirement.
In use often there is Seepage in Jing for xoncrete structure or brick masonry structure, and this problem is applied in engineering
Work, engineering are difficult to avoid that seepage can affect the normal work of people and life, percolating water that technical interior can then fitted up using in
Accelerate corrosion with equipment；Simultaneously according to the requirement for using, need reinforcement part-structure reinforcement, improves bearing capacity, solves these
Locally, universal problem, is required for a kind of convenient, fast, reliable New Style Concrete Materials, the Novel hand that the present invention is developed to fall
Formula water-proof concrete can quickly and easily solve the structure of seepage water-bound and the reinforcement that needs reinforcement.
The content of the invention
It is an object of the invention to provide a kind of hand falls early strong water-tight concrete of formula and preparation method thereof, the concrete is from close
Reality is good, and impervious water proofing property is excellent, and intensity is high, easy construction, without the need for formwork.
The technical solution used in the present invention is：A kind of hand falls the early strong water-tight concrete of formula, it is characterised in that by following weight
The raw material of part is made：Cement：23～29 parts, 76～85 parts of natural sand, 95～105 parts of rubble, 11～15 parts of water, water reducer 1～2
Part, 2～3 parts of early strength agent, the third 1.5～3 parts of breast, 2～5 parts of flyash, while it is fine that chopped polypropylene is also added in concrete
Dimension；
The cement is more than 42.5 grades Portland cements；
The natural sand is middle sand；
The rubble is sub for the microlith that particle diameter is 5～16mm；
The water is ordinary tap water；
The water reducer is polycarboxylate based water reducer or melamine superplasticizer, and water-reducing rate is not less than 15%；
The early strength agent is lithium carbonate or lithium chloride；
Third breast is a kind of cement modifier；
The flyash is II grade of flyash；
The chopped tacryl, length is 12mm, and consumption is the 0.8%～1.5% of concrete cumulative volume.
A kind of hand falls the preparation method of the early strong water-tight concrete of formula, it is characterised in that comprise the following steps：
1), the third breast, water reducer are mixed with water, is stirred, obtain mixed aqueous solution；
2), cement, natural sand, rubble, flyash, the tacryl that is chopped are well mixed, it is strong early with mixed aqueous solution
Agent is well mixed, stirring reaction 8～12 minutes, and then hand falls wall, without the need for vibrating；
3), hand to fall and carry out maintenance 6～8 days in 5～25 DEG C of wet environment after wall, obtains final product.
Beneficial effect：The present invention compared with prior art, with advantages below：
(1) hand of the invention falls in self-control water-proof concrete and with the addition of early strength agent, can improve early age strength of concrete, and
And later strength is not made significant difference, and with certain diminishing function, can be applied to meet by adjusting early strength agent component
The work duration needs.
(2) hand of the invention falls and with the addition of in self-control water-proof concrete third newborn, and one layer of polymeric is defined in concrete
Film, polymer film elastic modelling quantity is less, and it is improved the stress state inside cement slurry, can bear deformation and make water
Mudstone stress is reduced, and the possibility for producing crack is also reduced；
(3) hand of the invention falls in self-control water-proof concrete and with the addition of chopped tacryl, because polymer fiber is crossed
Microcrack, plays crane span structure effect, has polymer fiber to be connected between seam, the homogeneous polymers framework for being formed, as filler
Across the microcrack for having hardened, the extension of microcrack is limited, microcrack often disappears in polymer film compared with many places, shows polymer
Cracking resistance is acted on；In addition, polymer has water-reduction, the ratio of mud for making concrete reduces, and polymer film is filled with cement slurry
Hole, has cut off the passage of hole and the external world, plays a part of sealing；The chopped polypropylene fibre of addition, micro- muscle of chopped strand
Material effect, can play its activeness and quietness effectiveness, so as to improve the cracking resistance shrinkage of concrete.
(4) construction technology of the present invention is simple, design science, rationally, and using hand wall on self-control concrete is fallen, quick construction,
Without the need for formwork, economize on resources；
(5) practicality of the present invention is stronger, easy construction, easily promotes, and can well solve local leak stopping and reinforce to mend
Strong concrete or brick masonry structure.
Specific embodiment
With reference to embodiment, the present invention will be further described：
Embodiment
A kind of hand falls the early strong water-tight concrete of formula, is prepared by the raw materials in：Cement：26 parts, 80 parts of natural sand,
102 parts of rubble, 14 parts of water, 1 part of water reducer, 3 parts of early strength agent, the third 2 parts of breast, 2.5 parts of flyash, while also adding in concrete
Chopped polypropylene fibre；
The cement is more than 42.5 grades Portland cements；
The natural sand is middle sand；
The rubble is sub for the microlith that particle diameter is 5～16mm；
The water is ordinary tap water；
The water reducer is polycarboxylate based water reducer or melamine superplasticizer, and water-reducing rate is not less than 15%；
The early strength agent is lithium carbonate or lithium chloride；
Third breast is a kind of cement modifier；
The flyash is II grade of flyash；
The chopped tacryl, length is 12mm, and consumption is the 0.8% of concrete cumulative volume.
A kind of described hand falls the preparation method of the early strong water-tight concrete of formula, comprises the following steps：
1), the third breast is mixed with water, is stirred, obtain mixed aqueous solution；
2), cement, natural sand, rubble, flyash, the tacryl that is chopped are well mixed, it is strong early with mixed aqueous solution
Agent is well mixed, stirring reaction 8～12 minutes, and then hand falls wall, without the need for vibrating；
3), hand falls and carries out maintenance in 5～25 DEG C of wet environment after wall and obtain final product.
Experimental data：
3 days cubic compressive strengths of concrete of the embodiment are 28.6MPa, and cubic compressive strength is within 7 days
31.8MPa, 28 days cubic compressive strengths are 37.6MPa, and impermeability is more than 1.0MPa.
Embodiments of the present invention are described in detail above in association with example, but the present invention is not limited to described reality
Apply mode.For one of ordinary skill in the art, in the range of the principle and technological thought of the present invention, to these enforcements
Mode carries out various changes, modification, replacement and deforms still within the scope of the present invention.
Claims (2)
1. a kind of hand falls the early strong water-tight concrete of formula, it is characterised in that：It is prepared by the raw materials in：Cement：23~29
Part, 76 ~ 85 parts of natural sand, 95 ~ 105 parts of rubble, 11 ~ 15 parts of water, 1 ~ 2 part of water reducer, 2 ~ 3 parts of early strength agent, the third 1.5 ~ 3 parts of breast,
2 ~ 5 parts of flyash, while also added chopped polypropylene fibre in concrete；
The cement is more than 42.5 grades Portland cements；
The natural sand is middle sand；
The rubble is that particle diameter is sub for the microlith of 5 ~ 16mm；
The water is ordinary tap water；
The water reducer is polycarboxylate based water reducer or melamine superplasticizer, and water-reducing rate is not less than 15%；
The early strength agent is lithium carbonate or lithium chloride；
Third breast is a kind of cement modifier；
The flyash is more than II grade of flyash；
The chopped tacryl, length is 12mm, and consumption is the 0.8% ~ 1.5% of concrete cumulative volume.
2. a kind of hand according to claim 1 falls the preparation method of the early strong water-tight concrete of formula, it is characterised in that：Including with
Lower step：
1）, by third breast, water reducer mix with water, stir, obtain mixed aqueous solution；
2）, cement, natural sand, rubble, flyash, the tacryl that is chopped be well mixed, it is mixed with mixed aqueous solution and early strength agent
Close uniform, stirring reaction 8 ~ 12 minutes, without the need for formwork, hand falls wall, without the need for vibrating；
3）, hand fall after wall carry out maintenance 6 ~ 8 days in 5 ~ 25 DEG C of wet environment just hardened forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121330.1A CN106587820A (en) | 2016-12-08 | 2016-12-08 | Hand throwing type early-strength impermeable concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611121330.1A CN106587820A (en) | 2016-12-08 | 2016-12-08 | Hand throwing type early-strength impermeable concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106587820A true CN106587820A (en) | 2017-04-26 |
Family
ID=58597436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611121330.1A Pending CN106587820A (en) | 2016-12-08 | 2016-12-08 | Hand throwing type early-strength impermeable concrete and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106587820A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362643A (en) * | 2020-04-09 | 2020-07-03 | 南通航宇结构件有限公司 | Preparation method of concrete for high-volume prefabricated part |
| CN114620966A (en) * | 2020-12-11 | 2022-06-14 | 河南蓝翎环科防水材料有限公司 | High-strength impervious concrete inorganic waterproof additive and production process thereof |
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| CN101857416A (en) * | 2010-06-13 | 2010-10-13 | 中国建筑材料科学研究总院 | Polymer emulsion modified rapid repair mortar and preparation method thereof |
| CN102491687A (en) * | 2011-11-11 | 2012-06-13 | 中国铁道科学研究院金属及化学研究所 | Self-compaction concrete used for filling closed space as well as preparation method and application of same |
| CN103723955A (en) * | 2013-11-15 | 2014-04-16 | 大连创达技术交易市场有限公司 | Concrete provided with water reducing agent |
| CN106145811A (en) * | 2016-06-28 | 2016-11-23 | 蚌埠市方阵商品混凝土有限公司 | A kind of anti-impact folding concrete |
-
2016
- 2016-12-08 CN CN201611121330.1A patent/CN106587820A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101857416A (en) * | 2010-06-13 | 2010-10-13 | 中国建筑材料科学研究总院 | Polymer emulsion modified rapid repair mortar and preparation method thereof |
| CN102491687A (en) * | 2011-11-11 | 2012-06-13 | 中国铁道科学研究院金属及化学研究所 | Self-compaction concrete used for filling closed space as well as preparation method and application of same |
| CN103723955A (en) * | 2013-11-15 | 2014-04-16 | 大连创达技术交易市场有限公司 | Concrete provided with water reducing agent |
| CN106145811A (en) * | 2016-06-28 | 2016-11-23 | 蚌埠市方阵商品混凝土有限公司 | A kind of anti-impact folding concrete |
Non-Patent Citations (1)
| Title |
|---|
| 李伟等: "聚合物乳液混凝土在除险加固工程中的应用", 《混凝土》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111362643A (en) * | 2020-04-09 | 2020-07-03 | 南通航宇结构件有限公司 | Preparation method of concrete for high-volume prefabricated part |
| CN114620966A (en) * | 2020-12-11 | 2022-06-14 | 河南蓝翎环科防水材料有限公司 | High-strength impervious concrete inorganic waterproof additive and production process thereof |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |
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| RJ01 | Rejection of invention patent application after publication |