CN110683812A - High-strength PC component material - Google Patents
High-strength PC component material Download PDFInfo
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- CN110683812A CN110683812A CN201911039206.4A CN201911039206A CN110683812A CN 110683812 A CN110683812 A CN 110683812A CN 201911039206 A CN201911039206 A CN 201911039206A CN 110683812 A CN110683812 A CN 110683812A
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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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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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)
Abstract
The invention discloses a high-strength PC component material which is prepared from the following raw materials in parts by mass: 400 parts of cement, 800 parts of crushed stone, 800 parts of quartz sand, 800 parts of water, 140 parts of water, 40-80 parts of fly ash, 50-90 parts of mineral powder, 8-10 parts of steel fiber, 10-12 parts of basalt fiber, 25-30 parts of calcium carbonate and 3-6 parts of water reducing agent.
Description
Technical Field
The invention relates to the technical field of PC members, in particular to a high-strength PC member material.
Background
The PC is a concrete prefabricated part and is called as a PC component in the field of housing industrialization, such as a prefabricated reinforced concrete column foundation, a prefabricated steel structure steel column foundation, a street lamp billboard column reinforced concrete foundation and a prefabricated floor slab, corresponding traditional cast-in-place concrete needs site moulding, site pouring and site maintenance, and the concrete prefabricated part is widely applied to the fields of buildings, traffic, water conservancy and the like and plays an important role in national economy.
At present, PC components on the market mostly have poor strength, and the condition that the fragility is high, in actual construction, meets vibrations and drops easily, needs to repair again, influences whole process, consequently, urgently awaits for one kind and improves the technique and solves this problem that exists among the prior art.
Disclosure of Invention
The present invention is directed to a high strength PC member material to solve the above problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-strength PC component material is prepared from the following raw materials in parts by mass: 400 parts of cement, 800 parts of crushed stone, 1000 parts of quartz sand, 800 parts of water, 140 parts of water, 40-80 parts of fly ash, 50-90 parts of mineral powder, 8-10 parts of steel fiber, 10-12 parts of basalt fiber, 25-30 parts of calcium carbonate and 3-6 parts of water reducing agent.
Preferably, the feed additive is prepared from the following raw materials in parts by mass: 300 parts of cement, 900 parts of broken stone, 700 parts of quartz sand, 160 parts of water, 60 parts of fly ash, 70 parts of mineral powder, 9 parts of steel fiber, 11 parts of basalt fiber, 27 parts of calcium carbonate and 4 parts of water reducing agent.
Preferably, the cement is portland cement.
Preferably, the fineness of the quartz sand is 2.5-2.8.
Preferably, the calcium carbonate is nanoscale calcium carbonate.
Preferably, the preparation method comprises the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a proportion, stirring and mixing for 1-2h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20-30 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5-10min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
Compared with the prior art, the invention has the beneficial effects that:
(1) the strength of the PC component prepared by the method is higher than that of the conventional PC component, the brittleness of the PC component is lower than that of the conventional PC component, the edge of the PC component does not fall off during construction, and the construction process is not influenced.
(2) The adopted materials are conventional materials, so that the cost is low and the purchase is convenient.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a high-strength PC component material is prepared from the following raw materials in parts by mass: 400 parts of cement, 800 parts of crushed stone, 1000 parts of quartz sand, 800 parts of water, 140 parts of water, 40-80 parts of fly ash, 50-90 parts of mineral powder, 8-10 parts of steel fiber, 10-12 parts of basalt fiber, 25-30 parts of calcium carbonate and 3-6 parts of water reducing agent.
Wherein the cement is portland cement; the fineness of the quartz sand is 2.5-2.8; the calcium carbonate is nano calcium carbonate.
A high-strength PC component material is prepared by the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a proportion, stirring and mixing for 1-2h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20-30 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5-10min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The first embodiment is as follows:
a high-strength PC component material is prepared from the following raw materials in parts by mass: 200 parts of cement, 800 parts of broken stone, 600 parts of quartz sand, 140 parts of water, 40 parts of fly ash, 50 parts of mineral powder, 8 parts of steel fiber, 10 parts of basalt fiber, 25 parts of calcium carbonate and 3 parts of water reducing agent.
The preparation method of this example includes the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a ratio, stirring and mixing for 1h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The PC member obtained in this example was subjected to strength and brittleness tests.
Example two:
a high-strength PC component material is prepared from the following raw materials in parts by mass: 300 parts of cement, 900 parts of broken stone, 700 parts of quartz sand, 160 parts of water, 60 parts of fly ash, 70 parts of mineral powder, 9 parts of steel fiber, 11 parts of basalt fiber, 27 parts of calcium carbonate and 4 parts of water reducing agent.
The preparation method of this example includes the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a ratio, stirring and mixing for 1h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The PC component obtained in this example was tested for strength and brittleness, and was stronger and less brittle than the PC component obtained in example one.
Example three:
a high-strength PC component material is prepared from the following raw materials in parts by mass: 400 parts of cement, 1000 parts of broken stone, 800 parts of quartz sand, 180 parts of water, 80 parts of fly ash, 90 parts of mineral powder, 10 parts of steel fiber, 12 parts of basalt fiber, 30 parts of calcium carbonate and 6 parts of water reducing agent.
The preparation method of this example includes the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a ratio, stirring and mixing for 1h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The PC member obtained in this example was tested for strength and brittleness, and was slightly lower in strength and slightly higher in brittleness than the PC member obtained in example two.
Example four:
a high-strength PC component material is prepared from the following raw materials in parts by mass: 300 parts of cement, 800 parts of broken stone, 800 parts of quartz sand, 180 parts of water, 40 parts of fly ash, 50 parts of mineral powder, 10 parts of steel fiber, 12 parts of basalt fiber, 30 parts of calcium carbonate and 4 parts of water reducing agent.
The preparation method of this example includes the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a ratio, stirring and mixing for 1h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The PC member obtained in this example was tested for strength and brittleness, and was slightly lower in strength and slightly higher in brittleness than the PC member obtained in example two.
Example five:
a high-strength PC component material is prepared from the following raw materials in parts by mass: 400 parts of cement, 900 parts of broken stone, 400 parts of quartz sand, 160 parts of water, 60 parts of fly ash, 90 parts of mineral powder, 8 parts of steel fiber, 10 parts of basalt fiber, 25 parts of calcium carbonate and 5 parts of water reducing agent.
The preparation method of this example includes the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a ratio, stirring and mixing for 1h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The PC member obtained in this example was tested for strength and brittleness, and was slightly lower in strength and slightly higher in brittleness than the PC member obtained in example two.
Example six:
a high-strength PC component material is prepared from the following raw materials in parts by mass: 300 parts of cement, 900 parts of broken stone, 700 parts of quartz sand, 160 parts of water, 60 parts of fly ash, 70 parts of mineral powder, 9 parts of steel fiber, 11 parts of basalt fiber, 27 parts of calcium carbonate and 4 parts of water reducing agent.
The preparation method of this example includes the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to the proportion, stirring and mixing for 1.5h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 30 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 8min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The PC member obtained in this example was tested for strength and brittleness, and was stronger and less brittle than the PC member obtained in example two.
Example seven:
a high-strength PC component material is prepared from the following raw materials in parts by mass: 300 parts of cement, 900 parts of broken stone, 700 parts of quartz sand, 160 parts of water, 60 parts of fly ash, 70 parts of mineral powder, 9 parts of steel fiber, 11 parts of basalt fiber, 27 parts of calcium carbonate and 4 parts of water reducing agent.
The preparation method of this example includes the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a ratio, stirring and mixing for 2 hours, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 30 minutes;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 10min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
The PC member obtained in this example was tested for strength and brittleness, and was slightly lower in strength and slightly higher in brittleness than the PC member obtained in example two.
In summary, the strength and brittleness of the PC parts prepared according to the examples of the present invention were tested, and the strength of the PC parts prepared according to all the examples was higher than that of the conventional PC parts, and the brittleness of the PC parts was lower than that of the conventional PC parts.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A PC component material with high strength is characterized in that: the composition is prepared from the following raw materials in parts by mass: 400 parts of cement, 800 parts of crushed stone, 1000 parts of quartz sand, 800 parts of water, 140 parts of water, 40-80 parts of fly ash, 50-90 parts of mineral powder, 8-10 parts of steel fiber, 10-12 parts of basalt fiber, 25-30 parts of calcium carbonate and 3-6 parts of water reducing agent.
2. The high-strength PC component material as recited in claim 1, wherein: the composition is prepared from the following raw materials in parts by mass: 300 parts of cement, 900 parts of broken stone, 700 parts of quartz sand, 160 parts of water, 60 parts of fly ash, 70 parts of mineral powder, 9 parts of steel fiber, 11 parts of basalt fiber, 27 parts of calcium carbonate and 4 parts of water reducing agent.
3. The high-strength PC component material as recited in claim 1, wherein: the cement is portland cement.
4. The high-strength PC component material as recited in claim 1, wherein: the fineness of the quartz sand is 2.5-2.8.
5. The high-strength PC component material as recited in claim 1, wherein: the calcium carbonate is nano calcium carbonate.
6. The high-strength PC component material as recited in claim 1, wherein: the preparation method comprises the following steps:
the method comprises the following steps: adding cement, broken stone, quartz sand and water into a stirrer according to a proportion, stirring and mixing for 1-2h, then adding the fly ash and the mineral powder into the stirrer, and continuing stirring for 20-30 min;
step two: adding the steel fiber, the basalt fiber, the calcium carbonate and the water reducing agent into the stirrer, and continuously stirring for 5-10min to obtain a mixture;
step three: and pouring the mixture into a mold, and then binding reinforcing steel bars, fixedly installing a tool, vibrating, curing and demolding to obtain the PC component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911039206.4A CN110683812A (en) | 2019-10-29 | 2019-10-29 | High-strength PC component material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911039206.4A CN110683812A (en) | 2019-10-29 | 2019-10-29 | High-strength PC component material |
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| CN110683812A true CN110683812A (en) | 2020-01-14 |
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| CN201911039206.4A Pending CN110683812A (en) | 2019-10-29 | 2019-10-29 | High-strength PC component material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592113A (en) * | 2020-12-10 | 2021-04-02 | 浙江波威新材料科技有限公司 | Concrete for high-strength PC member and preparation method thereof |
| CN113480220A (en) * | 2021-08-11 | 2021-10-08 | 海南丰业实业有限公司 | Fabricated building material concrete composite additive and concrete thereof |
| CN114195459A (en) * | 2021-12-27 | 2022-03-18 | 北京玄泽新材料科技有限公司 | Concrete for basalt fiber reinforced prefabricated part and preparation method thereof |
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| US20050172865A1 (en) * | 2004-02-05 | 2005-08-11 | Ahmet Sadikovic | Method for preparing a building material |
| US20130167756A1 (en) * | 2008-09-30 | 2013-07-04 | Calera Corporation | Concrete compositions and methods |
| CN104594210A (en) * | 2015-01-19 | 2015-05-06 | 肖礼经 | Concrete precast slab and preparation method and application thereof |
| CN104894975A (en) * | 2015-04-29 | 2015-09-09 | 肖礼经 | Roughening method of concrete |
| CN109095862A (en) * | 2018-09-25 | 2018-12-28 | 李鹏宇 | A kind of high-strength tenacity concrete |
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2019
- 2019-10-29 CN CN201911039206.4A patent/CN110683812A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050172865A1 (en) * | 2004-02-05 | 2005-08-11 | Ahmet Sadikovic | Method for preparing a building material |
| US20130167756A1 (en) * | 2008-09-30 | 2013-07-04 | Calera Corporation | Concrete compositions and methods |
| CN104594210A (en) * | 2015-01-19 | 2015-05-06 | 肖礼经 | Concrete precast slab and preparation method and application thereof |
| CN104894975A (en) * | 2015-04-29 | 2015-09-09 | 肖礼经 | Roughening method of concrete |
| CN109095862A (en) * | 2018-09-25 | 2018-12-28 | 李鹏宇 | A kind of high-strength tenacity concrete |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592113A (en) * | 2020-12-10 | 2021-04-02 | 浙江波威新材料科技有限公司 | Concrete for high-strength PC member and preparation method thereof |
| CN113480220A (en) * | 2021-08-11 | 2021-10-08 | 海南丰业实业有限公司 | Fabricated building material concrete composite additive and concrete thereof |
| CN114195459A (en) * | 2021-12-27 | 2022-03-18 | 北京玄泽新材料科技有限公司 | Concrete for basalt fiber reinforced prefabricated part and preparation method thereof |
| CN114195459B (en) * | 2021-12-27 | 2022-08-30 | 北京玄泽新材料科技有限公司 | Concrete for basalt fiber reinforced prefabricated part and preparation method thereof |
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Application publication date: 20200114 |