CN107488012A - A kind of wet-mixing combined lightweight aggregate concrete and preparation method thereof - Google Patents
A kind of wet-mixing combined lightweight aggregate concrete and preparation method thereof Download PDFInfo
- Publication number
- CN107488012A CN107488012A CN201710858326.1A CN201710858326A CN107488012A CN 107488012 A CN107488012 A CN 107488012A CN 201710858326 A CN201710858326 A CN 201710858326A CN 107488012 A CN107488012 A CN 107488012A
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- Prior art keywords
- wet
- powder
- cement
- preparation
- lightweight aggregate
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of wet-mixing combined lightweight aggregate concrete; including components such as cement, flyash, powder, rubber powder and aggregates; powder therein is wet sand, rock wool industrial residue, foam glass powder, one kind in cement foam board powder or at least two combination, and aggregate is any of foam glass particle, waste polyurethane particle or cement foam board particle or at least two combination.Industrial refuse is carried out twice laid, energy-conserving and environment-protective by the present invention, while reduces production cost, increases product viscosity；The invention also discloses a kind of preparation method of above-mentioned concrete, baking operation is saved, wet sand can be used directly, save packaging process, save packaging material, solved in transportation, the airborne dust problem that job site stirring is existing；Preparation process is simple, and cost is low, more environmentally friendly.The present invention is applied to the preparation of wet-mixing combined lightweight aggregate concrete.
Description
Technical field
The invention belongs to building material technical field, is related to a kind of concrete, specifically a kind of wet-mixing composite light-aggregate
Expect concrete and preparation method thereof.
Background technology
Concrete refers to the general designation of the cementing integral engineered composite material of aggregate by binder materials, the coagulation generally said
Soil refers to make binder materials, sand, masonry aggregate with cement, coordinates by a certain percentage with water, it is agitated obtained by cement concrete,
It is widely used in civil engineering.Concrete is divided into according to the big I of apparent density：Loaded concrete, normal concrete, lightweight are mixed
Solidifying soil.These three concrete are a difference in that aggregate difference.
Light aggregate concrete is one kind in lightweight concrete, and be configured to by light-weight aggregate, unit weight is not more than 1900 kg/
m3Lightweight concrete, also referred to as porous light aggregate concrete.Due to containing a large amount of blind bore gaps in light aggregate concrete, make it
With lightweight, thermal and insulating performance is good, the performance such as easy for construction, compared with traditional concrete, can mitigate deadweight 40-60% with
On.
Existing light aggregate concrete is to be combined by broken waste polyurethane particle with inorganic gel materials, is being applied
Work scene plus water mix.Following defect be present in its use process：
1. aggregate is polyurethane particles, fail to make full use of other trade wastes；
2. sand material used is dry sand, it is necessary to dry obtained；
3. obtained light aggregate concrete has dust raising phenomenon when being stirred at the construction field (site), national environmental protection, municipal administration are not met
The relevant regulations for forbidding to have dust raising phenomenon Deng goal job site, not only pollute the environment, and be harmful to operator's
Health.
The content of the invention
To solve the above-mentioned problems in the prior art, the present invention is intended to provide a kind of wet-mixing combined lightweight aggregate concrete
And preparation method thereof, it can solve the problem that the above mentioned problem present in prior art.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of wet-mixing combined lightweight aggregate concrete, in parts by weight it include following component：
Cement 100-350 parts, flyash 50-150 parts, powder 100-250 parts, 6 parts of rubber powder and aggregate 25-70 parts.
As restriction, the powder is one kind in wet sand, rock wool industrial residue, foam glass powder, cement foam board powder,
Or at least two combination.
Limited as another kind, the aggregate is foam glass particle, waste polyurethane particle or cement foam board particle
In any one, or at least two combination.
Present invention also offers a kind of a kind of above-mentioned preparation method of wet-mixing combined lightweight aggregate concrete, including order to be carried out
Following steps：
（1）The cement, flyash, powder of formula ratio are added in mixer, stirred；
（2）Rubber powder, aggregate and the water of formula ratio are added into mixer, continues to be stirred until homogeneous, you can.
As restriction, in above-mentioned preparation method, it is 50-200 parts to add water weight.
As a result of above-mentioned technical scheme, compared with prior art, acquired technological progress is the present invention：
（1）The present invention wet-mixing combined lightweight aggregate concrete, wherein, aggregate be foam glass particle, waste polyurethane particle or
One kind or mixture in cement foam board particle；The powder can be the powder state of rock wool industrial residue, or foam
Powder caused by glass, cement foam board crushing（Powder can certainly be directly ground to）, these industrial refuses are given up
Thing utilizes, energy-conserving and environment-protective, while reduces production cost, increases product viscosity；
（2）The preparation method of the wet-mixing combined lightweight aggregate concrete of the present invention,
1. saving baking operation, wet sand can be used directly, save the energy and cost；
2. saving packaging process, packaging material is saved, reduces cost；
3. solves the problem of job site stirring airborne dust；
4. preparation process is simple, cost is low, more environmentally friendly；
5. made wet-mixing composite light aggregate of the invention is as building（Operating room, Sveerz Deluxe etc.）Indoor cushion when, sound insulation
Effect is good, can be in order to avoid use sound insulating pad less than or equal to 61dB.
To sum up, the present invention is applied to the preparation of wet-mixing combined lightweight aggregate concrete.
Embodiment
The preferred embodiments of the present invention are illustrated below.It should be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
A kind of wet-mixing combined lightweight aggregate concrete of embodiment 1 and preparation method thereof
In parts by weight, the present embodiment includes following component：
Cement 200kg, flyash 150kg, powder 150kg (wet sand 15kg, rock wool industrial residue 35kg, foam glass powder
50kg, cement foam board powder 50kg mixture), rubber powder 6kg, foam glass particle aggregate 10kg, waste polyurethane particulate cancellous bone
Expect 20kg and cement foam board granulated aggregate 40kg.
In the component of the present embodiment：
The effect of sand is the space of filler aggregate, makes concrete more closely knit.The present embodiment directly uses wet sand, saves drying
Process.In addition, forming cement mortar with cement mortar, the workability and mobility of concrete are improved；
In aggregate：Foam glass particle is that caused leftover pieces are made up foam glass of broken in process of production, foam glass
The thermal conductivity factor of glass particle is 0.05W/（m·K）, thermal and insulating performance is good, bulk density 120kg/m3, manufactured concrete is certainly
Heavy and light, water absorption rate are low；Polyurethane particles, heat-insulating property is preferable, and lightweight, compression strength are higher, and fire protecting performance is excellent；It is cement foamed
Plate is the foam and cement prepared with foaming agent, more through conserving a kind of cement base lightweight formed after being stirred castable
Hole inorganic fireproof heat insulating plate, there is high fire resistance, high heat insulating ability, nontoxic, long lifespan, water-tolerant, interface is good, energy-saving ring
The features such as guarantor.Using these industrial refuses as aggregate, on the one hand solve a large amount of industrial refuse processing difficulties, Yi Jizao
Into ecological environment worsening the problem of；On the other hand, it is possible to reduce consumption of the construction industry to natural aggregate, so as to reduce pair
The exploitation of natural sand stone, solve the increasingly deficient and a large amount of sandstone of natural aggregate be produced to caused by ecological environment destroy etc. ask
Topic, protects ecological environment, meets the requirement of sustainable development.
The preparation method of the present embodiment is as follows：
（1）By cement, flyash, powder（Wet sand, rock wool industrial residue, foam glass powder and cement foam board powder）Add stirring
Stirred in machine；Wet sand eliminates baking operation, cost is low, more environmentally friendly directly to purchase；
（2）Rubber powder, the aggregate of formula ratio, and 120kg water are added into mixer, continues to stir, forms uniform mixture, i.e.,
Can.In the present embodiment, the ratio of water is accurately controlled when passing through production, effectively avoids construction party from adding moisture content mistake in construction
It is more or very few, cause quality dissatisfaction after completion.
Embodiment 2-15
Embodiment 2-15 is respectively a kind of wet-mixing combined lightweight aggregate concrete and preparation method thereof, and they are close with embodiment 1, it
Differ only in that amounts of components is different, and design parameter see the table below from embodiment 1：
The preparation method of various wet-mixing combined lightweight aggregate concretes, identical with the preparation method of embodiment 1 in embodiment 2-15.
The performance of the wet-mixing combined lightweight aggregate concrete of embodiment 16 and classification
According to A types produced by the present invention, Type B and LC type wet-mixing combined lightweight aggregate concretes, each model particular product performance parameters actual measurement
Such as following table：
Various wet-mixing combined lightweight aggregate concretes made from embodiment 1-15, through being measured to index of correlation, mean values are such as
Under：
Dry apparent density is up to 600kg/m3, compression strength is up to 40MPa, and thermal conductivity factor is up to 0.1W/（m·K）, combustibility
For A levels.Energy-conserving and environment-protective reduce production cost simultaneously, increase product viscosity.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in power of the present invention
The protection domain that profit requires.
Claims (5)
1. a kind of wet-mixing combined lightweight aggregate concrete, it is characterised in that it includes following component in parts by weight：
Cement 100-350 parts, flyash 50-150 parts, powder 100-250 parts, 6 parts of rubber powder and aggregate 25-70 parts.
A kind of 2. wet-mixing combined lightweight aggregate concrete according to claim 1, it is characterised in that：The powder be wet sand,
One kind in rock wool industrial residue, foam glass powder, cement foam board powder, or at least two combination.
A kind of 3. wet-mixing combined lightweight aggregate concrete according to claim 1, it is characterised in that：The aggregate is foam glass
Any one in glass particle, waste polyurethane particle or cement foam board particle, or at least two combination.
4. a kind of a kind of preparation method of wet-mixing combined lightweight aggregate concrete any one of claim 1-3, its feature
It is to include the following steps that order is carried out：
（1）By the cement, flyash, powder of formula ratio, add in mixer and stir；
（2）Rubber powder, the aggregate of formula ratio are added into mixer, Yi Jishui, continues to be stirred until homogeneous, you can.
A kind of 5. preparation method of wet-mixing combined lightweight aggregate concrete according to claim 4, it is characterised in that：Add water
Parts by weight be 50-200 parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858326.1A CN107488012B (en) | 2017-09-21 | 2017-09-21 | Wet-mixed composite lightweight aggregate concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858326.1A CN107488012B (en) | 2017-09-21 | 2017-09-21 | Wet-mixed composite lightweight aggregate concrete and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107488012A true CN107488012A (en) | 2017-12-19 |
| CN107488012B CN107488012B (en) | 2020-04-14 |
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| CN201710858326.1A Active CN107488012B (en) | 2017-09-21 | 2017-09-21 | Wet-mixed composite lightweight aggregate concrete and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053145A (en) * | 2019-04-15 | 2019-07-26 | 甘肃鸿盛岩棉科技有限公司 | A kind of materials for wall and its processing method |
| CN110105038A (en) * | 2019-06-17 | 2019-08-09 | 湖南盛盟土木工程有限公司 | A kind of compound dry mixing lightweight aggregate concrete of environment-friendly type and preparation method thereof |
| CN110171950A (en) * | 2019-06-05 | 2019-08-27 | 滁州市炬基节能新型建材有限公司 | A kind of wet-mixing composite light-weight base aggregate concrete and preparation method thereof |
| CN110357503A (en) * | 2019-07-18 | 2019-10-22 | 李云鹏 | A kind of light cellular partition board and preparation method |
| CN110734248A (en) * | 2019-11-08 | 2020-01-31 | 廊坊辰展环保科技有限公司 | heat-insulating sound-insulating concrete and preparation method thereof |
| CN111892315A (en) * | 2020-07-22 | 2020-11-06 | 江苏智晟节能科技股份有限公司 | Internal curing sand for special concrete and preparation method and application thereof |
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| US4021401A (en) * | 1974-12-09 | 1977-05-03 | Jeppsen Harvey I | Building material and method for making same |
| CN104909632A (en) * | 2015-06-02 | 2015-09-16 | 河北程龙辉煌保温工程有限公司 | Dry-mix composite light aggregate concrete and preparation method thereof |
| CN105503093A (en) * | 2016-01-12 | 2016-04-20 | 江苏万特福建筑构件有限公司 | Wet-mixed mortar and sand sieving machine thereof |
-
2017
- 2017-09-21 CN CN201710858326.1A patent/CN107488012B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021401A (en) * | 1974-12-09 | 1977-05-03 | Jeppsen Harvey I | Building material and method for making same |
| CN104909632A (en) * | 2015-06-02 | 2015-09-16 | 河北程龙辉煌保温工程有限公司 | Dry-mix composite light aggregate concrete and preparation method thereof |
| CN105503093A (en) * | 2016-01-12 | 2016-04-20 | 江苏万特福建筑构件有限公司 | Wet-mixed mortar and sand sieving machine thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053145A (en) * | 2019-04-15 | 2019-07-26 | 甘肃鸿盛岩棉科技有限公司 | A kind of materials for wall and its processing method |
| CN110171950A (en) * | 2019-06-05 | 2019-08-27 | 滁州市炬基节能新型建材有限公司 | A kind of wet-mixing composite light-weight base aggregate concrete and preparation method thereof |
| CN110105038A (en) * | 2019-06-17 | 2019-08-09 | 湖南盛盟土木工程有限公司 | A kind of compound dry mixing lightweight aggregate concrete of environment-friendly type and preparation method thereof |
| CN110357503A (en) * | 2019-07-18 | 2019-10-22 | 李云鹏 | A kind of light cellular partition board and preparation method |
| CN110734248A (en) * | 2019-11-08 | 2020-01-31 | 廊坊辰展环保科技有限公司 | heat-insulating sound-insulating concrete and preparation method thereof |
| CN111892315A (en) * | 2020-07-22 | 2020-11-06 | 江苏智晟节能科技股份有限公司 | Internal curing sand for special concrete and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107488012B (en) | 2020-04-14 |
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