CN105906371B - A kind of preparation method of lightweight concrete assembled large panel - Google Patents
A kind of preparation method of lightweight concrete assembled large panel Download PDFInfo
- Publication number
- CN105906371B CN105906371B CN201610256856.4A CN201610256856A CN105906371B CN 105906371 B CN105906371 B CN 105906371B CN 201610256856 A CN201610256856 A CN 201610256856A CN 105906371 B CN105906371 B CN 105906371B
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- China
- Prior art keywords
- lightweight concrete
- large panel
- assembled large
- concrete assembled
- foaming agent
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B2111/40—Porous or lightweight 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
Abstract
The invention discloses a kind of preparation methods of lightweight concrete assembled large panel, the following steps are included: (1) is according to each raw material of proportion selection for containing 450 ~ 550kg of cement, 65 ~ 195 kg of mountain flour, 3.25 ~ 9.75 kg of water-reducing agent, 0.01 ~ 0.05 kg of foaming agent in every cubic metre of lightweight concrete assembled large panel, first by foaming agent foam, cement mortar is made in the mixing of cement, mountain flour and water-reducing agent again, then the foaming agent after foaming is added in cement mortar, stirs evenly and obtains lightweight concrete；(2) lightweight concrete is poured in mold, obtains lightweight concrete assembled large panel through demoulding processing and maintenance.It is excessively heavy this method solve common assembled large panel weight and be unfavorable for transport with lifting install the problem of, the lightweight concrete assembled large panel of preparation, it is about 50% that weight, which mitigates weight compared with normal concrete assembled wallboard, effectively raises the construction efficiency of assembled wallboard.
Description
Technical field
The invention belongs to assembled large panel technical fields, and in particular to a kind of preparation side of lightweight concrete assembled large panel
Method.
Background technique
The popularization of prefabricated buildings is the core content of architectural industrialization.Modern architecture industrial development needs to promote prefabricated structure
Part and motorization assembly are constructed, and concrete assembled house meets the direction of modern energy saving building and Green Architectural Development.Currently
China is with the demand that " beam+column+filling wall " is that main building structure external wall system has been not suitable with modern architecture industrial development.It is same with this
When construction machinery the progress of universal and construction technology provide advantage for the popularization in concrete assembled house.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation method of lightweight concrete assembled large panel, which is solved
Common assembled large panel weight is excessively heavy and is unfavorable for the problem of transport is installed with lifting, the lightweight for using this method to prepare
Concrete assembled large panel, it is about 50% that weight, which mitigates weight compared with normal concrete assembled wallboard, effectively raises assembled
The construction efficiency of wallboard.
Above-mentioned purpose of the invention is achieved through the following technical solutions: a kind of lightweight concrete assembled large panel
Preparation method, comprising the following steps:
(1) according in every cubic metre of lightweight concrete assembled large panel contain 450 ~ 550kg of cement, 65 ~ 195 kg of mountain flour,
3.25 ~ 9.75 kg of water-reducing agent, 0.01 ~ 0.05 kg of foaming agent proportion by weight choose each raw material, first by foaming agent foam,
Cement mortar is made in the mixing of cement, mountain flour and water-reducing agent again, then the foaming agent after foaming is added in cement mortar, stirs evenly
Obtain lightweight concrete；
(2) lightweight concrete is poured in mold, it is big to obtain lightweight concrete assembled through demoulding processing and maintenance
Plate.
In the preparation method of above-mentioned lightweight concrete assembled large panel:
Water-reducing agent described in step (1) is preferably polycarboxylate water-reducer, commercial product.
Foaming agent described in step (1) is preferably lauryl sodium sulfate K12, sodium sulfate of polyethenoxy ether of fatty alcohol AES
Or rosin soap foaming agent.
Release agent is painted in mold described in step (2) in advance, the release agent is preferably ethylenediamine or O-phthalic
Ester.
The width of lightweight concrete assembled large panel described in step (2) is preferably 600,1200,1800 and 3000mm, long
Degree is preferably 1800,2440,3600 and 4000mm.
It is mixed that the lightweight concrete assembled large panel of same width can correspond to the lightweight that multiple length dimensions such as width is 600mm
The solidifying big plate of soil can correspond to the length of 1800,2440,3600 or 4000mm.
The intensity of lightweight concrete assembled large panel described in step (2) is 4.5 ~ 15MPa.
The density of lightweight concrete assembled large panel described in step (2) is 600~1200kg/m3。
The thermal coefficient of lightweight concrete assembled large panel described in step (2) is 0.13 ~ 0.26w/m K.
Lightweight concrete assembled large panel described in step (2) with a thickness of 100~240mm, heat transfer coefficient 0.57
~1.05 w/m2•K。
Compared with prior art, the present invention has the advantage that
(1) preparation method of lightweight concrete assembled large panel of the present invention, the optimization to the match ratio of lightweight concrete are led to
Ratio, additive type and volume, foaming agent type and the dosage etc. for crossing adjustment cement and mountain flour, prepare intensity, working performance
Etc. the advantageous lightweight concrete of various aspects of performance, realize high-performance light concrete mix optimization design；
(2) lightweight concrete made of the present invention has the performances such as excellent heat preservation, heat-insulated, sound insulation, waterproof and fire prevention；
(3) lightweight concrete assembled large panel made of the method for the present invention is with energy saving, fire prevention sound insulation, flatness is good, exempts from
Plastering, steel pipe buried in advance, the lightweight concrete assembled large panel for hanging the multifunctional alls such as strong；
(4) the industrialized production system and construction system of the multi-functional big plate of lightweight concrete assembled are established, is realized to biography
The significant innovation of system architectural structure system；
(5) fabricated construction is used, by effective attenuating labor intensity, greatly improves construction precision, reduction construction noise, reality
Existing civilized construction；
(6) it realizes construction material energy conservation, self waterproofing, fire prevention, save material and environmentally protective；
(7) facilitate China, the foundation of Guangdong Province's building industrialization system is answered with popularization that is perfect, facilitating green building
With.
Specific embodiment
Embodiment 1
The preparation method of lightweight concrete assembled large panel provided in this embodiment, comprising the following steps:
(1) according in every cubic metre of lightweight concrete assembled large panel contain cement 450kg, mountain flour 195kg, water-reducing agent
3.25kg, foaming agent 0.05kg choose each raw material, first by foaming agent foam, then cement, mountain flour and water-reducing agent are mixed and are made
Then foaming agent after foaming is added in cement mortar, stirs evenly and obtain lightweight concrete by cement mortar；
(2) lightweight concrete is poured in mold, it is big to obtain lightweight concrete assembled through demoulding processing and maintenance
Plate.
Meanwhile before pouring lightweight concrete in mold, the water power pipe of lightweight assembled large panel is completed in a mold
Pre-buried default, the steel fabric sheet installation of line, when lightweight concrete is poured in mold, can also adjust lightweight concrete assembled
The quantity and diameter of the ectonexine reinforcing bar of big plate, reinforcing bar are embedded in lightweight concrete, and quantity is depending on requirement of engineering, to mention
Wind-Pressure Resistance load-carrying ability, the plane deformation performance of high Side fascia, these can be operated according to ordinary skill in the art means.
Wherein water-reducing agent is polycarboxylate water-reducer in step (1), and foaming agent is lauryl sodium sulfate K12.
It is painted with release agent in advance in step (2) mold, release agent is ethylenediamine.
The width of lightweight concrete assembled large panel is 600mm, length 1800mm in step (2).
The intensity of lightweight concrete assembled large panel is 7.8MPa in step (2).
The density of lightweight concrete assembled large panel is 791kg/m in step (2)3。
The thermal coefficient of lightweight concrete assembled large panel is 0.18w/m K in step (2).
In step (2) lightweight concrete assembled large panel with a thickness of 240mm, heat transfer coefficient is 1.05 w/m2•K。
Send lightweight concrete assembled large panel obtained to the detection of Guangdong Province's project delivery method safety supervision detection master station,
Testing result shows 2400 ~ 2800kg/m of normal concrete bulk density3, lightweight concrete assembled large panel appearance produced by the present invention
Weight is 600~1200kg/m3, with compared with the quality of the normal concrete assembled large panel of size, the lightweight in the present invention is mixed
Coagulate the Mass lost of soil assembled large panel about 50%.
Embodiment 2
The preparation method of lightweight concrete assembled large panel provided in this embodiment, comprising the following steps:
(1) according in every cubic metre of lightweight concrete assembled large panel contain cement 550kg, mountain flour 65kg, water-reducing agent
9.75kg, foaming agent 0.01kg choose each raw material, first by foaming agent foam, then cement, mountain flour and water-reducing agent are mixed and are made
Then foaming agent after foaming is added in cement mortar, stirs evenly and obtain lightweight concrete by cement mortar；
(2) lightweight concrete is poured in mold, it is big to obtain lightweight concrete assembled through demoulding processing and maintenance
Plate.
Wherein water-reducing agent is polycarboxylate water-reducer in step (1), and foaming agent is sodium sulfate of polyethenoxy ether of fatty alcohol AES.
Release agent is painted in step (2) mold in advance, release agent is O-phthalic ester.
The width of lightweight concrete assembled large panel is 1200mm, length 1800mm in step (2).
The intensity of lightweight concrete assembled large panel is 15MPa in step (2).
The density of lightweight concrete assembled large panel is 1187kg/m in step (2)3。
The thermal coefficient of lightweight concrete assembled large panel is 0.26w/m K in step (2).
In step (2) lightweight concrete assembled large panel with a thickness of 160mm, heat transfer coefficient is 0.8 w/m2•K。
Send lightweight concrete assembled large panel obtained to the detection of Guangdong Province's project delivery method safety supervision detection master station,
Testing result shows 2400 ~ 2800kg/m of normal concrete bulk density3, lightweight concrete assembled large panel appearance produced by the present invention
Weight is 600~1200kg/m3, with compared with the quality of the normal concrete assembled large panel of size, the lightweight in the present invention is mixed
Coagulate the Mass lost of soil assembled large panel about 50%.
Embodiment 3
The preparation method of lightweight concrete assembled large panel provided in this embodiment, comprising the following steps:
(1) according in every cubic metre of lightweight concrete assembled large panel contain cement 500kg, mountain flour 100kg, water-reducing agent
6.25kg, foaming agent 0.03kg choose each raw material, first by foaming agent foam, then cement, mountain flour and water-reducing agent are mixed and are made
Then foaming agent after foaming is added in cement mortar, stirs evenly and obtain lightweight concrete by cement mortar；
(2) lightweight concrete is poured in mold, it is big to obtain lightweight concrete assembled through demoulding processing and maintenance
Plate.
Wherein water-reducing agent is polycarboxylate water-reducer in step (1), and foaming agent is rosin soap foaming agent.
Release agent is painted in step (2) mold in advance, release agent is O-phthalic ester.
The width of lightweight concrete assembled large panel is 3000mm, length 4000mm in step (2).
The intensity of lightweight concrete assembled large panel is 4.5MPa in step (2).
The density of lightweight concrete assembled large panel is 600kg/m in step (2)3。
The thermal coefficient of lightweight concrete assembled large panel is 0.2w/m K in step (2)
Lightweight concrete assembled large panel with a thickness of 100mm, heat transfer coefficient 0.57w/m in step (2)2•K。
Send lightweight concrete assembled large panel obtained to the detection of Guangdong Province's project delivery method safety supervision detection master station,
Testing result shows 2400 ~ 2800kg/m of normal concrete bulk density3, lightweight concrete assembled large panel appearance produced by the present invention
Weight is 600~1200kg/m3, with compared with the quality of the normal concrete assembled large panel of size, the lightweight in the present invention is mixed
Coagulate the Mass lost of soil assembled large panel about 50%.
It is any ripe although the present invention is disclosed as above with embodiment, its protection scope being not intended to limit the invention
Those skilled in the art are known, in made change and retouching without departing from the spirit and scope of the invention, should belong to this hair
Bright protection scope.
Claims (1)
1. a kind of preparation method of lightweight concrete assembled large panel, it is characterized in that the following steps are included:
(1) according in every cubic metre of lightweight concrete assembled large panel contain cement 450kg, 195 kg of mountain flour, water-reducing agent
3.25kg, foaming agent 0.05kg quality proportioning choose each raw material, first by foaming agent foam, then by cement, mountain flour and diminishing
Cement mortar is made in agent mixing, and then the foaming agent after foaming is added in cement mortar, stirs evenly and obtains lightweight concrete；
(2) lightweight concrete is poured in mold, obtains lightweight concrete assembled large panel through demoulding processing and maintenance；
Water-reducing agent described in step (1) is polycarboxylate water-reducer；
Foaming agent described in step (1) is lauryl sodium sulfate；
Release agent is painted in mold described in step (2) in advance, the release agent is ethylenediamine；
The width of lightweight concrete assembled large panel described in step (2) is 600mm, length 1800mm；
The intensity of lightweight concrete assembled large panel is 7.8MPa in step (2)；
The density of lightweight concrete assembled large panel is 791kg/m in step (2)3；
The thermal coefficient of lightweight concrete assembled large panel is 0.18W/m K in step (2)；
In step (2) lightweight concrete assembled large panel with a thickness of 240mm, heat transfer coefficient is 1.05 W/m2•K。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256856.4A CN105906371B (en) | 2016-04-25 | 2016-04-25 | A kind of preparation method of lightweight concrete assembled large panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256856.4A CN105906371B (en) | 2016-04-25 | 2016-04-25 | A kind of preparation method of lightweight concrete assembled large panel |
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| CN105906371A CN105906371A (en) | 2016-08-31 |
| CN105906371B true CN105906371B (en) | 2019-01-11 |
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| CN201610256856.4A Active CN105906371B (en) | 2016-04-25 | 2016-04-25 | A kind of preparation method of lightweight concrete assembled large panel |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108947579A (en) * | 2018-09-20 | 2018-12-07 | 扬州工业职业技术学院 | A kind of novel light, resistance to compression, insulating foam concrete segment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896540A (en) * | 2014-03-14 | 2014-07-02 | 四川长安育才建材有限公司 | Preparation method of foam concrete in mountain flour structure |
| CN104829187A (en) * | 2015-01-05 | 2015-08-12 | 潍坊德霖建材科技有限公司 | Novel foam concrete block for self-heat-insulation of wall body and producing method of same |
-
2016
- 2016-04-25 CN CN201610256856.4A patent/CN105906371B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103896540A (en) * | 2014-03-14 | 2014-07-02 | 四川长安育才建材有限公司 | Preparation method of foam concrete in mountain flour structure |
| CN104829187A (en) * | 2015-01-05 | 2015-08-12 | 潍坊德霖建材科技有限公司 | Novel foam concrete block for self-heat-insulation of wall body and producing method of same |
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| CN105906371A (en) | 2016-08-31 |
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Effective date of registration: 20200116 Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangdong Construction Academy Group Plc Address before: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Co-patentee before: Guangdong Jian Ke energy-conserving and environment-protective Science and Technology Ltd. Patentee before: Guangdong Construction Academy Group Plc |
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