CN103601426A - C15 permeable concrete prepared by use of building waste and preparation method thereof - Google Patents
C15 permeable concrete prepared by use of building waste and preparation method thereof Download PDFInfo
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- CN103601426A CN103601426A CN201310557695.9A CN201310557695A CN103601426A CN 103601426 A CN103601426 A CN 103601426A CN 201310557695 A CN201310557695 A CN 201310557695A CN 103601426 A CN103601426 A CN 103601426A
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- water
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- cement
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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 invention relates to a method for recycling waste after demolishment of a building or structure, and particularly relates to C15 permeable concrete prepared by use of the recycled coarse aggregate of building waste and a preparation method thereof. The C15 permeable concrete comprises the following raw materials: 15-20% of cement, 1-5% of mineral admixture, 3-6% of water, 0.1-0.3% of water reducing agent, 0.1-0.3% of VAE (vinyl acetate-ethylene emulsion) and 68.4-80.8% of recycled coarse aggregate. The preparation method comprises the steps of putting the cement, mineral admixture, water, water reducing agent and VAE into a stirring machine according to the proportion, stirring for 30 seconds to form a pasty structure, then adding the recycled coarse aggregate, and stirring for 120 seconds.
Description
[technical field]
The present invention relates to a kind of buildings or structures and remove rear waste resources recycling method, particularly a kind of C15 pervious concrete that utilizes construction refuse regenerated coarse aggregate and preparation method thereof.
[background technology]
Pervious concrete claims again cellular concrete, non-fine concrete, it is a kind of porous light concrete being formed by aggregate, gelling material and water mixing, it is not containing fine aggregate, by the coated skim grout in coarse aggregate surface, mutually bond and form the equally distributed polynuclear plane in hole, therefore there is ventilative, permeable and lightweight feature, also can claim non-fine concrete.It is the defect for former urban road surfaces by American-European, Japan and other countries, and a kind of of application can allow under rainwater inflow place, effective recharge of groundwater, sharply decline etc. the concrete of Urban Environmental Problem of the ground water table of alleviating city.And can effectively eliminate the harm of the environmental pollutions such as ground oils compound; Meanwhile, be the good pavement material of protection underground water, maintaining ecological balance, energy alleviating urban heat island effect; In the work such as its benign development at environment for human survival and urban rainwater management and water prevention and cure of pollution, there is special significance.
[summary of the invention]
After the object of the present invention is to provide a kind of buildings or structures to remove, the method for waste resources recycling, particularly provides a kind of C15 pervious concrete that utilizes construction refuse regenerated coarse aggregate and preparation method thereof.
Its material rate is: cement (12%-20%), mineral admixture (1%-5%), water (3%-6%) water reducer (0.1%-0.3%), VAE emulsion (0.1%-0.3%), regenerated coarse aggregate (68.4%-83.8%).
Cement is used P.O42.5R; mineral admixture is used one or both in S95 level GBFS and II level flyash; admixture is used the common polycarboxylate water-reducer of standard type; regenerated coarse aggregate grating is (10-25) mm, and the performance comparison of regeneration cobble (10-25) mm producing by the technique of Fig. 1 and natural pebble (10-25) mm is as table 1.
The performance of table 1 regeneration cobble and natural pebble
The present invention has following beneficial effect
High water-permeability: this pervious concrete has the hole of 20%-35%, the highest permeable speed can reach 65L/H, far away higher than the present rate of discharge of pervious concrete (31-52) L/H of C15.
Ease for maintenance: existing C15 pervious concrete is because the little and few reason of hole there will be pore plugging problem after use for some time.Thereby having had the large and many advantages of hole, this pervious concrete can solve the pore plugging problem that people worry, as long as use common water blast gun just can clean.
Freeze-thaw resistance: this water-permeable pavement has suitable freezing-thawing resistance than general natural pebble pervious concrete pavement, is not ruptured by freeze thawing influence surface can, and its performance comparison is as table 2.
Table 2 natural pebble and the contrast of regeneration cobble freezing and thawing performance:
R
28: be subject to inspection mark to support the compressive strength rate of 28d load and the foster 28d load of fiducial mark;
R
-7: examined the compressive strength rate that subzero temperature-7d load and fiducial mark are supported 28d load;
R
-7+28: examined the compressive strength rate that subzero temperature-7+28d load and fiducial mark are supported 28d load.
Wearing quality: the durable wear resisting property of this water-permeable terrace is better than pitch prill, close to the concrete of natural pebble institute mixing
High-cooling property: the density of material itself lower (space of 20-35%) has reduced the ability of thermmal storage, thereby unique pore texture makes lower subsurface temperature import the temperature that ground reduces whole paving ground into, these features make permeable pavement system on the ground covering close to vegetation aspect heat absorption and heat storage function.
[accompanying drawing explanation]
Fig. 1 is the technological process of production of regenerated coarse aggregate
[embodiment]
Embodiment 1:
A: cement 15.8%, mineral admixture 2.6%, water 5.2%, VAE emulsion 0.1% are packed into stirrer and stir 30 seconds.Make it present pasty state structure; Add again 76.3% regeneration cobble, stir 120 seconds.
B: cement 15.8%, mineral admixture 2.6%, water 5.2%, VAE emulsion 0.1% are packed into stirrer and stir 30 seconds.Make it present pasty state structure; Add again 76.3% natural pebble, stir 120 seconds.
The anti-freezing property of table 3 regeneration cobble and natural pebble
R
28: be subject to inspection mark to support the compressive strength rate of 28d load and the foster 28d load of fiducial mark;
R
-7: examined the compressive strength rate that subzero temperature-7d load and fiducial mark are supported 28d load;
R
-7+28: examined the compressive strength rate that subzero temperature-7+28d load and fiducial mark are supported 28d load.
The R of cobble and natural pebble as shown in Table 3 regenerates
28, R
-7, R
-7+28quite, and water-permeable also suitable with porosity.
Embodiment 2:
A: cement 15.8%, mineral admixture 2.6%, water 5.2%, anti-freeze type (15
℃) water reducer 0.2%, VAE emulsion 0.1% pack stirrer into and stir 30 seconds.Make it present pasty state structure; Add again 76.1% regeneration cobble, stir 120 seconds.
B: cement 15.8%, mineral admixture 2.6%, water 5.2%, anti-freeze type (15
℃) water reducer 0.2%, VAE emulsion 0.1% pack stirrer into and stir 30 seconds.Make it present pasty state structure; Add again 76.1% natural pebble, stir 120 seconds.
The performance of table 4 regeneration cobble and natural pebble
The intensity of cobble of regenerating as shown in Table 4 has just started lower and can pass length along with the time than natural pebble intensity, and the intensity of 28d is suitable with natural pebble, and water-permeable and porosity and natural pebble are suitable.
In sum, regeneration cobble of the present invention is used and can reach the performance that natural pebble is used, and the present invention is conducive to the application of regeneration aggregate.
Claims (3)
1. utilize a C15 pervious concrete for construction refuse regenerated coarse aggregate, it is characterized in that raw material consists of: cement 18%-20%, mineral admixture 3%-5%, water 3%-5%, water reducer 0.1%-0.3%, VAE emulsion 0.1%-0.3%, regenerated coarse aggregate 69.4%-75.8%.
2. the preparation method who utilizes the C15 pervious concrete of construction refuse regenerated coarse aggregate claimed in claim 1, comprise the steps: that a cement, mineral admixture, water, water reducer, VAE emulsion pack stirrer into according to described ratio and stir 30 seconds, make it present pasty state structure; Add again regenerated coarse aggregate to stir 120 seconds.
3. the C15 pervious concrete of the construction refuse regenerated coarse aggregate of use claimed in claim 1; it is characterized in that: cement is used P.O42.5R; mineral admixture is used one or both in S95 level GBFS and II level flyash; water reducer is used the common polycarboxylate water-reducer of standard type; the grating of regenerated coarse aggregate is (10-25) mm, and apparent density is (2.50-2.65) g/cm3.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310557695.9A CN103601426A (en) | 2013-11-11 | 2013-11-11 | C15 permeable concrete prepared by use of building waste and preparation method thereof |
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| CN201310557695.9A CN103601426A (en) | 2013-11-11 | 2013-11-11 | C15 permeable concrete prepared by use of building waste and preparation method thereof |
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| CN103601426A true CN103601426A (en) | 2014-02-26 |
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| CN201310557695.9A Pending CN103601426A (en) | 2013-11-11 | 2013-11-11 | C15 permeable concrete prepared by use of building waste and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103951333A (en) * | 2014-04-24 | 2014-07-30 | 宋金博 | Porous concrete prepared from waste road concrete aggregate and preparation process |
| CN104030640A (en) * | 2014-06-25 | 2014-09-10 | 扬州大学 | Pervious concrete of recycled aggregate and preparation method thereof |
| CN104086135A (en) * | 2014-06-27 | 2014-10-08 | 刘元雪 | High-strength high-permeability concrete as well as preparation method and application thereof |
| CN105198302A (en) * | 2015-10-28 | 2015-12-30 | 山东大学 | Water permeable concrete and water permeable concrete pipe for collecting rainwater |
| CN105461262A (en) * | 2015-11-06 | 2016-04-06 | 首钢环境产业有限公司 | Pervious concrete and preparation method thereof |
| CN105645855A (en) * | 2014-04-24 | 2016-06-08 | 宋金博 | Production process of recycled porous concrete produced with waste road concrete aggregate |
| CN106116327A (en) * | 2016-06-20 | 2016-11-16 | 山东大元实业股份有限公司 | A kind of pervious concrete utilizing solid-state castoff to produce and preparation method thereof |
| CN106242440A (en) * | 2016-08-31 | 2016-12-21 | 盼石（上海）新材料科技股份有限公司 | High intensity pervious concrete and preparation method thereof |
| CN106431099A (en) * | 2015-08-13 | 2017-02-22 | 天津市北方园林生态环境工程研究院 | Water-permeable and air-permeable type ecological concrete and preparation method therefor |
| CN108726975A (en) * | 2018-06-29 | 2018-11-02 | 佛山陵朝新材料有限公司 | A kind of preparation method of pervious concrete pavement pavement material |
| CN109020343A (en) * | 2018-09-20 | 2018-12-18 | 吉林大学 | The modified water-permeable cement concrete of diatomite-flyash-silicon ash |
| CN113816686A (en) * | 2021-10-15 | 2021-12-21 | 中铁十五局集团有限公司 | Method for preparing recycled aggregate pervious concrete by using aqueous permeable crystallization solution |
| CN115029988A (en) * | 2022-06-20 | 2022-09-09 | 焦楚杰 | Construction method of sponge city pervious concrete |
| CN115636638A (en) * | 2022-10-09 | 2023-01-24 | 湖北云海混凝土有限公司 | High-strength pervious concrete and preparation method thereof |
| CN116655321A (en) * | 2023-05-26 | 2023-08-29 | 武汉市政工程设计研究院有限责任公司 | Municipal road base mixture based on building solid waste and preparation method thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105645855A (en) * | 2014-04-24 | 2016-06-08 | 宋金博 | Production process of recycled porous concrete produced with waste road concrete aggregate |
| CN105801037A (en) * | 2014-04-24 | 2016-07-27 | 宋金博 | Recycled concrete improving performances and strength of porous concrete in national standard |
| CN103951333A (en) * | 2014-04-24 | 2014-07-30 | 宋金博 | Porous concrete prepared from waste road concrete aggregate and preparation process |
| CN105645855B (en) * | 2014-04-24 | 2017-11-03 | 天津大学 | The preparation technology of Recycled aerated concrete prepared by road waste aggregate |
| CN104030640A (en) * | 2014-06-25 | 2014-09-10 | 扬州大学 | Pervious concrete of recycled aggregate and preparation method thereof |
| CN104030640B (en) * | 2014-06-25 | 2015-11-25 | 扬州大学 | A kind of regeneration aggregate permeable concrete and preparation method thereof |
| CN104086135A (en) * | 2014-06-27 | 2014-10-08 | 刘元雪 | High-strength high-permeability concrete as well as preparation method and application thereof |
| CN106431099A (en) * | 2015-08-13 | 2017-02-22 | 天津市北方园林生态环境工程研究院 | Water-permeable and air-permeable type ecological concrete and preparation method therefor |
| CN105198302A (en) * | 2015-10-28 | 2015-12-30 | 山东大学 | Water permeable concrete and water permeable concrete pipe for collecting rainwater |
| CN105461262A (en) * | 2015-11-06 | 2016-04-06 | 首钢环境产业有限公司 | Pervious concrete and preparation method thereof |
| CN106116327A (en) * | 2016-06-20 | 2016-11-16 | 山东大元实业股份有限公司 | A kind of pervious concrete utilizing solid-state castoff to produce and preparation method thereof |
| CN106242440A (en) * | 2016-08-31 | 2016-12-21 | 盼石（上海）新材料科技股份有限公司 | High intensity pervious concrete and preparation method thereof |
| CN108726975A (en) * | 2018-06-29 | 2018-11-02 | 佛山陵朝新材料有限公司 | A kind of preparation method of pervious concrete pavement pavement material |
| CN109020343A (en) * | 2018-09-20 | 2018-12-18 | 吉林大学 | The modified water-permeable cement concrete of diatomite-flyash-silicon ash |
| CN113816686A (en) * | 2021-10-15 | 2021-12-21 | 中铁十五局集团有限公司 | Method for preparing recycled aggregate pervious concrete by using aqueous permeable crystallization solution |
| CN115029988A (en) * | 2022-06-20 | 2022-09-09 | 焦楚杰 | Construction method of sponge city pervious concrete |
| CN115636638A (en) * | 2022-10-09 | 2023-01-24 | 湖北云海混凝土有限公司 | High-strength pervious concrete and preparation method thereof |
| CN115636638B (en) * | 2022-10-09 | 2023-08-29 | 湖北云海混凝土有限公司 | High-strength permeable concrete and preparation method thereof |
| CN116655321A (en) * | 2023-05-26 | 2023-08-29 | 武汉市政工程设计研究院有限责任公司 | Municipal road base mixture based on building solid waste and preparation method thereof |
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Application publication date: 20140226 |