CN105523740B - A kind of heat-insulating light concrete material and preparation method thereof - Google Patents
A kind of heat-insulating light concrete material and preparation method thereof Download PDFInfo
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- CN105523740B CN105523740B CN201510041529.2A CN201510041529A CN105523740B CN 105523740 B CN105523740 B CN 105523740B CN 201510041529 A CN201510041529 A CN 201510041529A CN 105523740 B CN105523740 B CN 105523740B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The present invention relates to a kind of heat-insulating light concrete materials and preparation method thereof, and the optimum mix of this kind of material is cement：Haydite：Pottery sand：Normal sands：Water：Flyash=1：0.69：0.89：0.38：0.61：0.2；Weight part ratio composition is preferably 360 parts of composite Portland cement, 72 parts of flyash, 221 parts of water, 241.8 parts of haydite, 319.1 parts of pottery sand, 136.8 parts of normal sands.Energy-saving heat preserving lightweight concrete soil material of the present invention compensates for current normal concrete from the poor disadvantage of great, thermal and insulating performance, has the characteristics that energy saving, heat preservation, lightweight, antidetonation, water-fast.
Description
Technical field
The present invention relates to materials science fields, and in particular to a kind of heat-insulating light concrete material and its preparation side
Method.
Background technology
It is the normal concrete of main material due to higher strength character using cement, sand, stone and water, it is also still extensive
It uses.But show its deficiency in terms of thermal technologies' property such as the energy conservation and environmental protection of this kind of common concrete material heat preservation.Building concrete
The thermal property of material directly determines whether the thermal energy of supply building is utilized effectively and building in interior of building
The effect of energy-saving and thermal insulating.And the dead weight of building can be mitigated in engineering using lightweight concrete, based process expense is reduced,
Can play reduces the purpose of project cost.Therefore, the use of energy-saving heat preserving lightweight concrete material is that there is an urgent need for solutions at present in building
Certainly the problem of.
Invention content
The object of the present invention is to provide a kind of heat-insulating light concrete material and preparation method thereof, this kind of material compression strength
Higher, dry apparent density is relatively low, and thermal and insulating performance is preferable, and water resistance is stronger.The material has heat preservation, heat-insulated, lightweight, resists
The features such as shaking, be water-fast.
In order to achieve the above objectives, the technical scheme is that：
A kind of heat-insulating light New Style Concrete Materials, are made of following component：350~370 parts of composite Portland cement,
70~74 parts of flyash, 200~224 parts of water, 207.0~250.7 parts of haydite, 307.3~361.1 parts of pottery sand, sand 131.7~
154.7 part.
The heat-insulating light concrete material, the weight ratio of each component are preferably cement：Haydite：Pottery sand：Sand：Water：Powder
Coal ash=1：0.69：0.89：0.38：0.61：0.2.
The heat-insulating light concrete material, is made of following component, 360 parts of composite Portland cement, flyash 72
Part, 221 parts of water, 241.8 parts of haydite, 319.1 parts of pottery sand, 136.8 parts of sand.
The composite Portland cement is common 425 composite Portland cement, and the flyash is common I grade of fine coal
Ash, the water are ordinary skill water, and the haydites of book structure of the haydite round or ellipse sphere, grain size is 5~16mm,
The pottery sand shale pottery, grain size are less than 5mm, and the normal sands are the middle sand in common river sand.
The preparation method of the heat-insulating light concrete material, includes the following steps：
1) required composite Portland cement, flyash, water, haydite, pottery sand, normal sands are strictly weighed in proportion；
2) by the haydite weighed up, pottery sand, normal sands, flyash and 1/2 total Water pour into forced mixer into
The time of row stirring, stirring is 1 minute；
3) total Water of the composite Portland cement weighed up and remaining 1/2 is poured into above-mentioned forced mixer, is stirred
It mixes 2 minutes；
4) uniformly mixed mixture is poured into mold, the mold for being loaded with the mixture, which is placed in ZDT experiments, to shake
Jolt ramming molding on dynamic platform, and smoothed out the mortar of die surface using spatula；
5) by molding concrete test block and mould separating；
6) the molding concrete test block after demoulding is put into concrete curing box (temperature 20 ± 2 at the standard conditions
DEG C, humidity 95%) it is conserved.
The performance parameter of the heat-insulating light concrete material is：
Thermal coefficient：0.153-0.178W/ (mK), dry apparent density：620-750kg/m3, 28d compression strength：
19.05-23.5MPa coefficient of softing：0.94-0.98, water absorption rate：7.8%-8.5%.
The beneficial technique effect of the present invention：
1, the heat-insulating light concrete material, used group is divided into industrial waste, reduces trade waste to environment
Pollution；
2, the heat-insulating light concrete material, interior porosity is big, light weight, intensity are high, can be used as concrete bone
Material uses；
3, the heat-insulating light concrete material compensates for current normal concrete from great, thermal and insulating performance is poor
Deficiency can also meet requirement in terms of intensity, can be widely applied to buildings exterior-protected structure and Horizontal load-bearing structure, especially
It is the common tier building of north cold area.
Description of the drawings
Fig. 1 is the compression strength curve of dry apparent density of the heat-insulating light concrete material under different mixture ratio.
Specific implementation mode
With reference to embodiment, the invention will be further described.
Fig. 1 shows be dry apparent density of the heat-insulating light concrete material under different mixture ratio compression strength
Curve.
Composite Portland cement used in the present invention is 425 complex silicate of Mt. Bagong board of the Huainan City cement plants Shun Yue production
Salt cement, flyash are I grade of flyash of Ping Xu power plant of Huainan City production, and water is ordinary skill water, and haydite and pottery sand are Huaihe River
Nanshi Jin Rui Building Materials Factories are produced, and normal sands are common river sand.
Embodiment 1
A kind of heat-insulating light concrete material, weight group become：350 parts of composite Portland cement, 70 parts of flyash, water
200 parts, 232.8 parts of haydite, 307.3 parts of pottery sand, 131.7 parts of normal sands.
Preparation method includes the following steps：
1) required composite Portland cement, flyash, water, haydite, pottery sand, normal sands are strictly weighed in proportion；
2) by the haydite weighed up, pottery sand, normal sands, flyash and 1/2 total Water pour into forced mixer into
The time of row stirring, stirring is 1 minute；
3) total Water of the composite Portland cement weighed up and remaining 1/2 is poured into above-mentioned forced mixer, is stirred
It mixes 2 minutes；
4) uniformly mixed mixture is poured into mold, the mold for being loaded with the mixture, which is placed in ZDT experiments, to shake
Jolt ramming molding on dynamic platform, and smoothed out the mortar of die surface using spatula；
5) by molding concrete test block and mould separating；
6) the molding concrete test block after demoulding is put into concrete curing box (temperature 20 ± 2 at the standard conditions
DEG C, humidity 95%) it is conserved.
Table 1
Embodiment 2
A kind of heat-insulating light concrete material, weight group become：350 parts of composite Portland cement, 70 parts of flyash, water
212 parts, 225.7 parts of haydite, 336.6 parts of pottery sand, 144.2 parts of normal sands.
Preparation method includes the following steps：
1) required composite Portland cement, flyash, water, haydite, pottery sand, normal sands are strictly weighed in proportion；
2) by the haydite weighed up, pottery sand, normal sands, flyash and 1/2 total Water pour into forced mixer into
The time of row stirring, stirring is 1 minute；
3) total Water of the composite Portland cement weighed up and remaining 1/2 is poured into above-mentioned forced mixer, is stirred
It mixes 2 minutes；
4) uniformly mixed mixture is poured into mold, the mold for being loaded with the mixture, which is placed in ZDT experiments, to shake
Jolt ramming molding on dynamic platform, and smoothed out the mortar of die surface using spatula；
5) by molding concrete test block and mould separating；
6) the molding concrete test block after demoulding is put into concrete curing box (temperature 20 ± 2 at the standard conditions
DEG C, humidity 95%) it is conserved.
Table 2
Embodiment 3
A kind of heat-insulating light concrete material, weight group become：360 parts of composite Portland cement, 72 parts of flyash, water
221 parts, 241.8 parts of haydite, 319.1 parts of pottery sand, 136.8 parts of normal sands.
Preparation method includes the following steps：
1) required composite Portland cement, flyash, water, haydite, pottery sand, normal sands are strictly weighed in proportion；
2) by the haydite weighed up, pottery sand, normal sands, flyash and 1/2 total Water pour into forced mixer into
The time of row stirring, stirring is 1 minute；
3) total Water of the composite Portland cement weighed up and remaining 1/2 is poured into above-mentioned forced mixer, is stirred
It mixes 2 minutes；
4) uniformly mixed mixture is poured into mold, the mold for being loaded with the mixture, which is placed in ZDT experiments, to shake
Jolt ramming molding on dynamic platform, and smoothed out the mortar of die surface using spatula；
5) by molding concrete test block and mould separating；
6) the molding concrete test block after demoulding is put into concrete curing box (temperature 20 ± 2 at the standard conditions
DEG C, humidity 95%) it is conserved.
Table 3
Embodiment 4
A kind of heat-insulating light concrete material, weight group become：360 parts of composite Portland cement, 72 parts of flyash, water
204 parts, 234.0 parts of haydite, 349.0 parts of pottery sand, 149.6 parts of normal sands.
Preparation method includes the following steps：
1) required composite Portland cement, flyash, water, haydite, pottery sand, normal sands are strictly weighed in proportion；
2) by the haydite weighed up, pottery sand, normal sands, flyash and 1/2 total Water pour into forced mixer into
The time of row stirring, stirring is 1 minute；
3) total Water of the composite Portland cement weighed up and remaining 1/2 is poured into above-mentioned forced mixer, is stirred
It mixes 2 minutes；
4) uniformly mixed mixture is poured into mold, the mold for being loaded with the mixture, which is placed in ZDT experiments, to shake
Jolt ramming molding on dynamic platform, and smoothed out the mortar of die surface using spatula；
5) by molding concrete test block and mould separating；
6) the molding concrete test block after demoulding is put into concrete curing box (temperature 20 ± 2 at the standard conditions
DEG C, humidity 95%) it is conserved.
Table 4
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not to invention protection domain
Limitation, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not required to
Make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (2)
1. a kind of heat-insulating light concrete material, it is characterised in that：The concrete material is made of following component：Complex silicate
360 parts of salt cement, 72 parts of flyash, 221 parts of water, 241.8 parts of haydite, 319.1 parts of pottery sand, 136.8 parts of sand；
The haydite is round or oval the haydites of book structure of sphere；The pottery sand is shale pottery；During the sand is
Sand；
Each performance parameter of the heat-insulating light concrete material is：Thermal coefficient：0.155 W/ (mK) is done apparent close
Degree：630 kg/ m3, 28d compression strength：23.07 MPa, coefficient of softing：0.98, water absorption rate：7.8%.
2. the preparation method of heat-insulating light concrete material according to claim 1, it is characterised in that：The preparation method
Include the following steps：
1）Strictly required composite Portland cement, flyash, water, haydite, pottery sand, sand are weighed in proportion；
2）The haydite weighed up, pottery sand, sand, flyash and 1/2 total Water are poured into forced mixer and be stirred, is stirred
The time mixed is 1 minute；
3）The total Water of the composite Portland cement weighed up and remaining 1/2 is poured into the forced mixer, stirs 2 points
Clock；
4）Uniformly mixed mixture is poured into mold, the mold for being loaded with the mixture is placed on experiment shake table and is shaken
Real molding, and smoothed out the mortar of die surface using spatula；
5）By molding concrete test block and mould separating；
6）Molding concrete test block after demoulding is put into concrete curing box and is conserved at the standard conditions.
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| CN105523740B true CN105523740B (en) | 2018-10-12 |
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| CN106278039A (en) * | 2016-08-15 | 2017-01-04 | 马鞍山十七冶工程科技有限责任公司 | A kind of baking-free ceramicite lightweight concrete and preparation method thereof |
| CN106747092A (en) * | 2016-12-16 | 2017-05-31 | 吴中区穹窿山天仲高分子材料技术研究所 | A kind of environment-friendly type low-density ceramsite mattess material |
| CN107574967A (en) * | 2017-10-12 | 2018-01-12 | 金陵科技学院 | A kind of preparation method of joggle integration composite heat insulation block |
| CN107500682B (en) * | 2017-10-12 | 2020-02-07 | 金陵科技学院 | Concrete slurry of composite self-insulation building block |
| CN107935624A (en) * | 2017-12-15 | 2018-04-20 | 河南有巢氏环保材料有限公司 | A kind of self-heat conserving lightweight aggregate building block and preparation method thereof |
| CN108341637A (en) * | 2018-03-15 | 2018-07-31 | 贵州中建建筑科研设计院有限公司 | It is a kind of using light ceramic as the assembled inner partition plate of aggregate |
| CN111153662A (en) * | 2020-01-18 | 2020-05-15 | 广东承沐建设工程有限公司 | Concrete and preparation method thereof |
| CN112374823A (en) * | 2020-10-27 | 2021-02-19 | 国网甘肃省电力公司经济技术研究院 | High-substitution-rate lightweight aggregate concrete for frozen soil area and preparation method thereof |
| CN112960950B (en) * | 2021-03-01 | 2022-07-12 | 河南省一地建筑科学研究院有限公司 | Ground type heating light backfill material and construction method |
| CN114560662A (en) * | 2022-03-25 | 2022-05-31 | 东南大学 | High-specific-strength anti-drying-shrinkage light material and preparation method thereof |
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| CN102503290A (en) * | 2011-11-25 | 2012-06-20 | 陈家灯 | Inorganic material heat insulation concrete |
| CN102795821A (en) * | 2012-08-24 | 2012-11-28 | 江苏建华管桩有限公司 | Production method of ceramsite lightweight concrete batten by using non-autoclaved technology |
| CN103601434A (en) * | 2013-09-16 | 2014-02-26 | 东莞市万科建筑技术研究有限公司 | Light-weight heat-insulating concrete and preparation method thereof |
| CN104291758A (en) * | 2014-10-16 | 2015-01-21 | 成都建工成新混凝土工程有限公司 | Preparation method of structural lightweight aggregate concrete |
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Patent Citations (4)
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|---|---|---|---|---|
| CN102503290A (en) * | 2011-11-25 | 2012-06-20 | 陈家灯 | Inorganic material heat insulation concrete |
| CN102795821A (en) * | 2012-08-24 | 2012-11-28 | 江苏建华管桩有限公司 | Production method of ceramsite lightweight concrete batten by using non-autoclaved technology |
| CN103601434A (en) * | 2013-09-16 | 2014-02-26 | 东莞市万科建筑技术研究有限公司 | Light-weight heat-insulating concrete and preparation method thereof |
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