CN103114574A - Waste-residue-contained mineral admixture and prestressed high-strength concrete pipe pile and production method - Google Patents
Waste-residue-contained mineral admixture and prestressed high-strength concrete pipe pile and production method Download PDFInfo
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- CN103114574A CN103114574A CN2013100582794A CN201310058279A CN103114574A CN 103114574 A CN103114574 A CN 103114574A CN 2013100582794 A CN2013100582794 A CN 2013100582794A CN 201310058279 A CN201310058279 A CN 201310058279A CN 103114574 A CN103114574 A CN 103114574A
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- mineral admixture
- waste residue
- waste
- strength concrete
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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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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a waste-residue-contained mineral admixture and a prestressed high-strength concrete pipe pile and a production method. The waste-residue-contained mineral admixture contains 70-90% of quartz sand, 5-15% of residual pulp lump and 5-15% of boiler slag, and the prestressed high-strength concrete pipe pile is composed of, by weight, 400-500 parts of binding materials, 1900-2050 parts of sand and broken stone, 9.5-12 parts of water reducer and 115-135 parts of water. The production method includes following steps: solidifying residual pulp and waste discharged in a centrifugal process during production of the prestressed high-strength concrete pipe pile into lumps to obtain the residual pulp lumps; mixing the residual pulp lump with the quartz sand and the boiler slag and grinding into fine powder; mixing the fine powder with cement into the binding materials, and stirring the binding materials and the sand, the broken stone and the water into concrete; and adding the concrete into a die and performing centrifugal shaping, standing for 1-1.5 hours after centrifugal shaping, performing normal-pressure steam curing under 80-85 DEG C for 6 hours, and performing high-pressure steam curing under 180-200 DEG C for 8 hours.
Description
Technical field
The present invention relates to a kind ofly contain the waste residue mineral admixture for the production of prestressed high-strength concrete pile; The invention still further relates to a kind of above-mentioned prestressed high-strength concrete pile that the waste residue mineral admixture is produced that contains that adopts; The invention still further relates to a kind of production method of this prestressed high-strength concrete pile.
Background technology
In today of rapid economic development; energy shortage and environment pollution have become the important factor in order of restriction cement products industry development, proceed the result of use that technological improvement and innovation improve the energy, reduce production costs; protection of the environment has been instant thing.
Prestressed high-strength concrete pile is the PHC pile tube, is a kind of cement products member the most commonly used in the present stage infrastructure.In process of production, with cementitious material and sandstone mix and blend, through centrifuging process, adopt atmospheric steam curing technique and make.When pile tube is produced in centrifuging process, can discharge a large amount of waste pulps, be called for short remaining slurry, remaining slurry solidifies and forms remaining lumps.The heat energy that the consumption of high-pressure curing process is a large amount of, and the burning of coal also can produce a large amount of flue gases and slag.The stacking of remaining lumps and slag takies a large amount of soils, contaminated environment, and when enterprise processes, the cost substantial contribution, improved cost of production greatly, increases the weight of the environmental burden of manufacturing enterprise.
Summary of the invention
The objective of the invention is in order to overcome weak point of the prior art, provide a kind of adopt that centrifuging process in pile tube production discharges that waste residue makes contain the waste residue mineral admixture;
Another object of the present invention is to provide a kind of above-mentioned prestressed high-strength concrete pile that the waste residue mineral admixture is produced that contains that adopts;
A further object of the invention is to provide a kind of production method of above-mentioned prestressed high-strength concrete pile.
In order to achieve the above object, the present invention adopts following scheme:
A kind of waste residue mineral admixture that contains is characterized in that composed of the following components by weight percentage:
Quartz sand 70-90%
Remaining lumps 5-15%
Boiler slag 5-15%.
A kind of waste residue mineral admixture that contains as above is characterized in that described remaining lumps is that the remaining slurry waste material of discharging through centrifuging process in tubular pile production process is frozen into piece.
A kind of waste residue mineral admixture that contains as above, the specific area that it is characterized in that described mineral admixture is 420m
2More than/kg.
A kind of waste residue mineral admixture that contains as above is characterized in that in described quartz sand, dioxide-containing silica is greater than 88%.
A kind of waste residue mineral admixture that contains as above is characterized in that the content sum of calcium oxide and alumina in described boiler slag greater than 70%, and loss on ignition is less than 5%.
A kind of prestressed high-strength concrete pile is characterized in that composed of the following components by weight:
Cementitious material 400-500
Sand and rubble 1900-2050
Mass concentration is 30% naphthalene water reducer 9.5-12
Water 115-135.
Wherein said cementitious material by contain the waste residue mineral admixture and and cement composition, the wherein said waste residue mineral admixture that contains accounts for 25%～35% of binder total amount.More than tubular pile concrete intensity of the present invention reaches 85MPa.
A kind of production method of prestressed high-strength concrete pile is characterized in that comprising the following steps:
A, the remaining slurry waste material that centrifuging process in the prestressed high-strength concrete pile manufacturing process is discharged are frozen into piece, get remaining lumps;
B, the remaining lumps in steps A is mixed with quartz sand, boiler slag and grind to form fine powder;
C, the fine powder in step B is become cementitious material with cement mixing, and described cementitious material and sand, rubble, water are stirred into concrete;
D, described concrete is added in the middle of mould and carries out centrifugal forming, quiet stopping 1～1.5 hour after centrifugal forming, 80～85 ℃ of lower atmospheric steam curings 6 hours, then 180～200 ℃ of steam curing at high pressures were more than 8 hours.
In sum, the present invention with respect to its beneficial effect of prior art is:
The present invention reasonably is applied to the solid slag that produces in pile tube production in pile tube production, reduces land seizure, reduces production costs, and alleviates the environmental burden of enterprise, and the properties of the concrete tubular pile of producing obviously improves.In the present invention, the compressive strength of tubular pile concrete is greater than 85MPa, and anti-bending strength satisfies the regulation requirement of national standard.
The specific embodiment
The invention will be further described below in conjunction with the specific embodiment:
Embodiment 1
The present invention contains the waste residue mineral admixture, comprises by weight percentage by following component:
Quartz sand 70%
Remaining lumps 15%
Boiler slag 15%.
Wherein said remaining lumps is that the remaining slurry waste material of discharging through centrifuging process in tubular pile production process is frozen into piece.The specific area of described mineral admixture is 420m
2More than/kg.In described quartz sand, dioxide-containing silica is greater than 88%.In described boiler slag, the content sum of calcium oxide and alumina is greater than 70%, and loss on ignition is less than 5%.
Embodiment 2
The present invention contains the waste residue mineral admixture, comprises by weight percentage by following component:
Quartz sand 90%
Remaining lumps 5%
Boiler slag 5%.
Wherein said remaining lumps is that the remaining slurry waste material of discharging through centrifuging process in tubular pile production process is frozen into piece.The specific area of described mineral admixture is 420m
2More than/kg.In described quartz sand, dioxide-containing silica is greater than 88%.In described boiler slag, the content sum of calcium oxide and alumina is greater than 70%, and loss on ignition is less than 5%.
Embodiment 3
The present invention contains the waste residue mineral admixture, comprises by weight percentage by following component:
Quartz sand 75%
Remaining lumps 10%
Boiler slag 15%.
Wherein said remaining lumps is that the remaining slurry waste material of discharging through centrifuging process in tubular pile production process is frozen into piece.The specific area of described mineral admixture is 420m
2More than/kg.In described quartz sand, dioxide-containing silica is greater than 88%.In described boiler slag, the content sum of calcium oxide and alumina is greater than 70%, and loss on ignition is less than 5%.
Embodiment 4
Get 100kg mineral admixture and 300kg cement mixing and form cementitious material, wherein mineral admixture is ground by quartz sand, remaining lumps and slag and forms.The ratio of mineral admixture is: quartz sand 90%, remaining lumps 5%, slag 5%, and itself and other concrete auxiliary material is stirred into every cube of concrete that contains the 400kg cementitious material, by centrifugal forming, quiet stopping 1～1.5 hour is through 80～85 ℃ of lower atmospheric steam curings, 6 hours and 180～200 ℃ of lower steam curing at high pressures can obtain the prestressed high-strength concrete pile product after 8 hours.
Embodiment 5
Get 110kg mineral admixture and 310kg cement mixing and form cementitious material, wherein mineral admixture is ground by quartz sand, remaining lumps and slag and forms.The ratio of mineral admixture is: quartz sand 85%, remaining lumps 10%, slag 5%, and itself and other concrete auxiliary material is stirred into every cube of concrete that contains the 420kg cementitious material, by centrifugal forming, quiet stopping 1～1.5 hour is through 80～85 ℃ of lower atmospheric steam curings, 6 hours and 180～200 ℃ of lower steam curing at high pressures can obtain the prestressed high-strength concrete pile product after 8 hours.
Embodiment 6
Get 135kg mineral admixture and 315kg cement mixing and form cementitious material, wherein mineral admixture is ground by quartz sand, remaining lumps and slag and forms.The ratio of mineral admixture is: quartz sand 85%, remaining lumps 5%, slag 10%, and itself and other concrete auxiliary material is stirred into every cube of concrete that contains the 450kg cementitious material, by centrifugal forming, quiet stopping 1～1.5 hour is through 80～85 ℃ of lower atmospheric steam curings, 6 hours and 180～200 ℃ of lower steam curing at high pressures can obtain the prestressed high-strength concrete pile product after 8 hours.
Embodiment 7
Get 150kg mineral admixture and 320kg cement mixing and form cementitious material, wherein mineral admixture is ground by quartz sand, remaining lumps and slag and forms.The ratio of mineral admixture is: quartz sand 85%, remaining lumps 8%, slag 7%, and itself and other concrete auxiliary material is stirred into every cube of concrete that contains the 470kg cementitious material, by centrifugal forming, quiet stopping 1～1.5 hour is through 80～85 ℃ of lower atmospheric steam curings, 6 hours and 180～200 ℃ of lower steam curing at high pressures can obtain the prestressed high-strength concrete pile product after 8 hours.
Embodiment 8
Get 175kg mineral admixture and 325kg cement mixing and form cementitious material, wherein mineral admixture is ground by quartz sand, remaining lumps and slag and forms.The ratio of mineral admixture is: quartz sand 80%, remaining lumps 10%, slag 10%, and itself and other concrete auxiliary material is stirred into every cube of concrete that contains the 500kg cementitious material, by centrifugal forming, quiet stopping 1～1.5 hour is through 80～85 ℃ of lower atmospheric steam curings, 6 hours and 180～200 ℃ of lower steam curing at high pressures can obtain the prestressed high-strength concrete pile product after 8 hours.
Embodiment 9
Prestressed high-strength concrete pile of the present invention, composed of the following components by weight:
Cementitious material 400
Sand and rubble 2050
Mass concentration is 30% naphthalene water reducer 9.5
Water 115.
Wherein said cementitious material by contain the waste residue mineral admixture and and cement composition, the wherein said waste residue mineral admixture that contains accounts for 25% of binder total amount.The wherein said waste residue mineral admixture that contains comprises by weight percentage by following component:
Quartz sand 90%
Remaining lumps 5%
Boiler slag 5%.
Production method comprises the following steps:
A, the remaining slurry waste material that centrifuging process in the prestressed high-strength concrete pile manufacturing process is discharged are frozen into piece, get remaining lumps;
B, the remaining lumps in steps A is mixed with quartz sand, boiler slag and grind to form fine powder;
C, the fine powder in step B is become cementitious material with cement mixing, and described cementitious material and sand, rubble, water are stirred into concrete;
D, described concrete is added in the middle of mould and carries out centrifugal forming, quiet stopping 1 hour after centrifugal forming, 80 ℃ of lower atmospheric steam curings 6 hours, then 180 ℃ of steam curing at high pressures were more than 8 hours.
Embodiment 10
Prestressed high-strength concrete pile of the present invention is characterized in that composed of the following components by weight:
Cementitious material 500
Sand and rubble 1900
Mass concentration is 30% naphthalene water reducer 12
Water 135.
Wherein said cementitious material by contain the waste residue mineral admixture and and cement composition, the wherein said waste residue mineral admixture that contains accounts for 35% of binder total amount.The wherein said waste residue mineral admixture that contains comprises by weight percentage by following component:
Quartz sand 80%
Remaining lumps 10%
Boiler slag 10%.
Production method comprises the following steps:
A, the remaining slurry waste material that centrifuging process in the prestressed high-strength concrete pile manufacturing process is discharged are frozen into piece, get remaining lumps;
B, the remaining lumps in steps A is mixed with quartz sand, boiler slag and grind to form fine powder;
C, the fine powder in step B is become cementitious material with cement mixing, and described cementitious material and sand, rubble, water are stirred into concrete;
D, described concrete is added in the middle of mould and carries out centrifugal forming, quiet stopping 1.5 hours after centrifugal forming, 85 ℃ of lower atmospheric steam curings 6 hours, then 200 ℃ of steam curing at high pressures were more than 8 hours.
Embodiment 11
Prestressed high-strength concrete pile of the present invention is characterized in that composed of the following components by weight:
Cementitious material 450
Sand and rubble 1970
Mass concentration is 30% naphthalene water reducer 10
Water 125.
Wherein said cementitious material by contain the waste residue mineral admixture and and cement composition, the wherein said waste residue mineral admixture that contains accounts for 30% of binder total amount.The wherein said waste residue mineral admixture that contains comprises by weight percentage by following component:
Quartz sand 75%
Remaining lumps 10%
Boiler slag 15%.
Production method comprises the following steps:
A, the remaining slurry waste material that centrifuging process in the prestressed high-strength concrete pile manufacturing process is discharged are frozen into piece, get remaining lumps;
B, the remaining lumps in steps A is mixed with quartz sand, boiler slag and grind to form fine powder;
C, the fine powder in step B is become cementitious material with cement mixing, and described cementitious material and sand, rubble, water are stirred into concrete;
D, described concrete is added in the middle of mould and carries out centrifugal forming, quiet stopping 1.2 hours after centrifugal forming, 83 ℃ of lower atmospheric steam curings 6 hours, then 190 ℃ of steam curing at high pressures were more than 8 hours.
Embodiment 12
Prestressed high-strength concrete pile of the present invention is characterized in that composed of the following components by weight:
Cementitious material 470
Sand and rubble 1950
Mass concentration is 30% naphthalene water reducer 11
Water 125.
Wherein said cementitious material by contain the waste residue mineral admixture and and cement composition, the wherein said waste residue mineral admixture that contains accounts for 28% of binder total amount.The wherein said waste residue mineral admixture that contains comprises by weight percentage by following component:
Quartz sand 70%
Remaining lumps 15%
Boiler slag 15%.
Production method comprises the following steps:
A, the remaining slurry waste material that centrifuging process in the prestressed high-strength concrete pile manufacturing process is discharged are frozen into piece, get remaining lumps;
B, the remaining lumps in steps A is mixed with quartz sand, boiler slag and grind to form fine powder;
C, the fine powder in step B is become cementitious material with cement mixing, and described cementitious material and sand, rubble, water are stirred into concrete;
D, described concrete is added in the middle of mould and carries out centrifugal forming, quiet stopping 1 hour after centrifugal forming, 80 ℃ of lower atmospheric steam curings 6 hours, then 180 ℃ of steam curing at high pressures were more than 8 hours.
Claims (7)
1. one kind contains the waste residue mineral admixture, it is characterized in that composed of the following components by weight percentage:
Quartz sand 70-90%
Remaining lumps 5-15%
Boiler slag 5-15%.
2. a kind of waste residue mineral admixture that contains according to claim 1, is characterized in that described remaining lumps is that the remaining slurry waste material of discharging through centrifuging process in tubular pile production process is frozen into piece.
3. a kind of waste residue mineral admixture that contains according to claim 1, the specific area that it is characterized in that described mineral admixture is 420m
2More than/kg.
4. a kind of waste residue mineral admixture that contains according to claim 1, is characterized in that in described quartz sand, dioxide-containing silica is greater than 88%.
5. a kind of waste residue mineral admixture that contains according to claim 1 is characterized in that the content sum of calcium oxide and alumina in described boiler slag greater than 70%, and loss on ignition is less than 5%.
6. prestressed high-strength concrete pile is characterized in that composed of the following components by weight:
Cementitious material 400-500
Sand and rubble 1900-2050
Mass concentration is 30% naphthalene water reducer 9.5-12
Water 115-135.
Wherein said cementitious material by contain the waste residue mineral admixture and and cement composition, the wherein said waste residue mineral admixture that contains accounts for 25%～35% of binder total amount.
7. the production method of a prestressed high-strength concrete pile is characterized in that comprising the following steps:
A, the remaining slurry waste material that centrifuging process in the prestressed high-strength concrete pile manufacturing process is discharged are frozen into piece, get remaining lumps;
B, the remaining lumps in steps A is mixed with quartz sand, boiler slag and grind to form fine powder;
C, the fine powder in step B is become cementitious material with cement mixing, and described cementitious material and sand, rubble, water are stirred into concrete;
D, described concrete is added in the middle of mould and carries out centrifugal forming, quiet stopping 1～1.5 hour after centrifugal forming, 80～85 ℃ of lower atmospheric steam curings 6 hours, then 180～200 ℃ of steam curing at high pressures were more than 8 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100582794A CN103114574A (en) | 2013-02-23 | 2013-02-23 | Waste-residue-contained mineral admixture and prestressed high-strength concrete pipe pile and production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100582794A CN103114574A (en) | 2013-02-23 | 2013-02-23 | Waste-residue-contained mineral admixture and prestressed high-strength concrete pipe pile and production method |
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| CN103114574A true CN103114574A (en) | 2013-05-22 |
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| CN2013100582794A Pending CN103114574A (en) | 2013-02-23 | 2013-02-23 | Waste-residue-contained mineral admixture and prestressed high-strength concrete pipe pile and production method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950101A (en) * | 2014-04-21 | 2014-07-30 | 南通华柱水泥制品有限公司 | Manufacturing method for high-strength concrete pile |
| CN111138131A (en) * | 2020-01-06 | 2020-05-12 | 慈溪市建筑构件有限公司 | Preparation method of pretensioned prestressed concrete pipe pile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6040418A (en) * | 1983-08-12 | 1985-03-02 | Asahi Chem Ind Co Ltd | Concrete pile and its manufacture |
| JP2002275889A (en) * | 2001-03-22 | 2002-09-25 | Nippon Steel Corp | Construction method of substitutional material pile and rotary press-in steel pipe pile |
| CN101235638A (en) * | 2008-01-07 | 2008-08-06 | 中山市三和建材有限公司 | Concrete pipe pile |
| CN101240545A (en) * | 2008-01-07 | 2008-08-13 | 中山市三和建材有限公司 | (Ultra)high-strength prestressing concrete pipe pile |
-
2013
- 2013-02-23 CN CN2013100582794A patent/CN103114574A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6040418A (en) * | 1983-08-12 | 1985-03-02 | Asahi Chem Ind Co Ltd | Concrete pile and its manufacture |
| JP2002275889A (en) * | 2001-03-22 | 2002-09-25 | Nippon Steel Corp | Construction method of substitutional material pile and rotary press-in steel pipe pile |
| CN101235638A (en) * | 2008-01-07 | 2008-08-06 | 中山市三和建材有限公司 | Concrete pipe pile |
| CN101240545A (en) * | 2008-01-07 | 2008-08-13 | 中山市三和建材有限公司 | (Ultra)high-strength prestressing concrete pipe pile |
Non-Patent Citations (1)
| Title |
|---|
| 魏宜岭等: "先张法预应力混凝土管桩余浆循环利用技术", 《混凝土与水泥制品》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103950101A (en) * | 2014-04-21 | 2014-07-30 | 南通华柱水泥制品有限公司 | Manufacturing method for high-strength concrete pile |
| CN111138131A (en) * | 2020-01-06 | 2020-05-12 | 慈溪市建筑构件有限公司 | Preparation method of pretensioned prestressed concrete pipe pile |
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Application publication date: 20130522 |