CN111574129A - Energy-saving renewable high-strength anti-seismic concrete and preparation method thereof - Google Patents
Energy-saving renewable high-strength anti-seismic concrete and preparation method thereof Download PDFInfo
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- CN111574129A CN111574129A CN202010477303.8A CN202010477303A CN111574129A CN 111574129 A CN111574129 A CN 111574129A CN 202010477303 A CN202010477303 A CN 202010477303A CN 111574129 A CN111574129 A CN 111574129A
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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
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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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1044—Bituminous materials
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2053—Earthquake- or hurricane-resistant 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses energy-saving renewable high-strength anti-seismic concrete and a preparation method thereof, wherein the energy-saving renewable high-strength anti-seismic concrete comprises the following components in parts by weight: cement: 100 and 130 parts; fine aggregate: 80-150 parts; coarse aggregate: 260-400 parts; mineral powder: 10-35 parts; water reducing agent: 2-4 parts; water: 50-100 parts of modified additive and 40-80 parts of modified additive. According to the invention, the improvement additive is wrapped outside the coarse aggregate and the fine aggregate, and is used as the buffer between the aggregates on the premise of ensuring the strength of the coarse aggregate and the fine aggregate, and when the concrete receives vibration, the internal stress of the concrete is buffered through the improvement additive doped between the aggregates, so that the anti-seismic performance of the concrete is improved on the premise of ensuring the strength of the concrete.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to energy-saving reproducible high-strength anti-seismic concrete and a preparation method thereof.
Background
Concrete is a general term for engineering composite materials in which aggregate is cemented into a whole by a cementing material. The term concrete generally refers to cement as a cementing material and sand and stone as aggregate; the cement concrete, also called as common concrete, is obtained by mixing with water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering.
Although the existing common concrete has good performance, most common concrete has general earthquake-resistant performance, and is easy to crack or even break when encountering earthquake, thereby easily affecting the safety of buildings.
Disclosure of Invention
The invention aims to: in order to solve the problems, the energy-saving reproducible high-strength anti-seismic concrete and the preparation method thereof are provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
an energy-saving renewable high-strength anti-seismic concrete comprises the following components in parts by weight:
cement: 100 and 130 parts; fine aggregate: 80-150 parts; coarse aggregate: 260-400 parts; mineral powder: 10-35 parts; water reducing agent: 2-4 parts; water: 50-100 parts of modified additive and 40-80 parts of modified additive.
As a further description of the above technical solution:
the improved additive consists of asphalt, resin, high molecular polymer and rubber powder.
As a further description of the above technical solution:
the proportion of the asphalt, the resin, the high molecular polymer and the rubber powder is 7: 1: 1: 1.
as a further description of the above technical solution:
the particle size of the fine aggregate is as follows: 3.5-8 mm.
As a further description of the above technical solution:
the particle size of the coarse aggregate is as follows: 14-20 mm.
As a further description of the above technical solution:
a preparation method of energy-saving renewable high-strength anti-seismic concrete comprises the following steps:
the method comprises the following steps: adding the improved additive into a reaction kettle and heating to a molten state;
step two: adding the coarse aggregate and the fine aggregate into a stirrer, and then adding the improvement additive in a molten state into the stirrer to mix for 10 minutes;
step three: cooling the mixture of the coarse aggregate, the fine aggregate and the improvement additive after being stirred in the step two to 80-100 ℃ of the surface temperature of the improvement additive, and then continuously stirring the mixture by a stirrer;
step four: and putting the mineral powder, the cement, the water and the water reducing agent into a stirrer in sequence and stirring uniformly to prepare the high-strength anti-seismic concrete.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the improvement additive is added into the concrete preparation raw material, and is mixed with the coarse aggregate and the fine aggregate in a molten state, so that the improvement additive is wrapped outside the coarse aggregate and the fine aggregate, the improvement additive serves as a buffer between the aggregates on the premise of ensuring the strength of the coarse aggregate and the fine aggregate, when the concrete receives vibration, the internal stress of the concrete is buffered through the improvement additive doped between the aggregates, and the anti-seismic performance of the concrete is improved on the premise of ensuring the strength of the concrete.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 first embodiment is as follows: an energy-saving renewable high-strength anti-seismic concrete comprises the following components in parts by weight:
cement: 10kg portions; fine aggregate: 8 kg; coarse aggregate: 26 kg; mineral powder: 1 kg; water reducing agent: 0.2kg portion; water: 5kg portions and also comprises 4kg of improved additives.
The method comprises the following steps: adding the improved additive into a reaction kettle and heating to a molten state;
step two: adding the coarse aggregate and the fine aggregate into a stirrer, and then adding the improvement additive in a molten state into the stirrer to mix for 10 minutes;
step three: cooling the mixture of the coarse aggregate, the fine aggregate and the improvement additive after being stirred in the step two to 80-100 ℃ of the surface temperature of the improvement additive, and then continuously stirring the mixture by a stirrer;
step four: and putting the mineral powder, the cement, the water and the water reducing agent into a stirrer in sequence and stirring uniformly to prepare the high-strength anti-seismic concrete.
Example two: an energy-saving renewable high-strength anti-seismic concrete comprises the following components in parts by weight:
cement: 12kg portions; fine aggregate: 10 kg; coarse aggregate: 26 kg; mineral powder: 1 kg; water reducing agent: 0.25kg portion; water: 5.5kg portions, and also comprises 4kg of improved additives.
The method comprises the following steps: adding the improved additive into a reaction kettle and heating to a molten state;
step two: adding the coarse aggregate and the fine aggregate into a stirrer, and then adding the improvement additive in a molten state into the stirrer to mix for 10 minutes;
step three: cooling the mixture of the coarse aggregate, the fine aggregate and the improvement additive after being stirred in the step two to 80-100 ℃ of the surface temperature of the improvement additive, and then continuously stirring the mixture by a stirrer;
step four: and putting the mineral powder, the cement, the water and the water reducing agent into a stirrer in sequence and stirring uniformly to prepare the high-strength anti-seismic concrete.
Example three: an energy-saving renewable high-strength anti-seismic concrete comprises the following components in parts by weight:
cement: 12kg portions; fine aggregate: 10 kg; coarse aggregate: 26 kg; mineral powder: 1 kg; water reducing agent: 0.25kg portion; water: 5.5kg portions, and also comprises 6kg of modified additive.
The method comprises the following steps: adding the improved additive into a reaction kettle and heating to a molten state;
step two: adding the coarse aggregate and the fine aggregate into a stirrer, and then adding the improvement additive in a molten state into the stirrer to mix for 10 minutes;
step three: cooling the mixture of the coarse aggregate, the fine aggregate and the improvement additive after being stirred in the step two to 80-100 ℃ of the surface temperature of the improvement additive, and then continuously stirring the mixture by a stirrer;
step four: and putting the mineral powder, the cement, the water and the water reducing agent into a stirrer in sequence and stirring uniformly to prepare the high-strength anti-seismic concrete.
Example four: an energy-saving renewable high-strength anti-seismic concrete comprises the following components in parts by weight:
cement: 10kg portions; fine aggregate: 8 kg; coarse aggregate: 26 kg; mineral powder: 1 kg; water reducing agent: 0.2kg portion; water: 5kg portions and also comprises 6kg of improving additive.
The method comprises the following steps: adding the improved additive into a reaction kettle and heating to a molten state;
step two: adding the coarse aggregate and the fine aggregate into a stirrer, and then adding the improvement additive in a molten state into the stirrer to mix for 10 minutes;
step three: cooling the mixture of the coarse aggregate, the fine aggregate and the improvement additive after being stirred in the step two to 80-100 ℃ of the surface temperature of the improvement additive, and then continuously stirring the mixture by a stirrer;
step four: and putting the mineral powder, the cement, the water and the water reducing agent into a stirrer in sequence and stirring uniformly to prepare the high-strength anti-seismic concrete.
Comparative example one: the energy-saving renewable high-strength anti-seismic concrete is different from the first embodiment in that no improvement additive is added into the concrete.
Comparative example two: the energy-saving renewable high-strength anti-seismic concrete is different from the second embodiment in that no improvement additive is added into the concrete.
The concrete casting cubes prepared in examples 1 to 4 and comparative examples 1 to 2, which are 10cm by 10cm in size, were placed on a seismic simulation platform after 28 days and clamped and fixed by clamping members mounted on the seismic simulation platform, and the seismic strength of the high-strength anti-seismic concrete sample when the sample collapsed was measured, and the test results are shown in table one:
table one: and (3) testing results:
the test data in the table I show that the example IV is the optimal example, the collapse detection result is the worst in earthquake because the modification additive is not added in the comparative example I and the comparative example II, and the earthquake resistance of the concrete is improved on the premise that the strength of the obtained concrete is slightly reduced by adding the modification additive into the concrete.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The energy-saving renewable high-strength anti-seismic concrete is characterized by comprising the following components in parts by weight:
cement: 100 and 130 parts; fine aggregate: 80-150 parts; coarse aggregate: 260-400 parts; mineral powder: 10-35 parts; water reducing agent: 2-4 parts; water: 50-100 parts of modified additive and 40-80 parts of modified additive.
2. The energy-saving renewable high-strength anti-seismic concrete according to claim 1, wherein the improvement additive is composed of asphalt, resin, high molecular polymer and rubber powder.
3. The energy-saving renewable high-strength anti-seismic concrete and the preparation method thereof according to claim 2, wherein the ratio of the asphalt, the resin, the high polymer and the rubber powder is 7: 1: 1: 1.
4. the energy-saving renewable high-strength anti-seismic concrete and the preparation method thereof according to claim 1, wherein the particle size of the fine aggregate is as follows: 3.5-8 mm.
5. The energy-saving renewable high-strength anti-seismic concrete and the preparation method thereof according to claim 1, wherein the particle size of the coarse aggregate is as follows: 14-20 mm.
6. The preparation method of the energy-saving renewable high-strength aseismic concrete according to claim 1, characterized by comprising the following steps:
the method comprises the following steps: adding the improved additive into a reaction kettle and heating to a molten state;
step two: adding the coarse aggregate and the fine aggregate into a stirrer, and then adding the improvement additive in a molten state into the stirrer to mix for 10 minutes;
step three: cooling the mixture of the coarse aggregate, the fine aggregate and the improvement additive after being stirred in the step two to 80-100 ℃ of the surface temperature of the improvement additive, and then continuously stirring the mixture by a stirrer;
step four: and putting the mineral powder, the cement, the water and the water reducing agent into a stirrer in sequence and stirring uniformly to prepare the high-strength anti-seismic concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477303.8A CN111574129A (en) | 2020-05-29 | 2020-05-29 | Energy-saving renewable high-strength anti-seismic concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477303.8A CN111574129A (en) | 2020-05-29 | 2020-05-29 | Energy-saving renewable high-strength anti-seismic concrete and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111574129A true CN111574129A (en) | 2020-08-25 |
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| CN202010477303.8A Pending CN111574129A (en) | 2020-05-29 | 2020-05-29 | Energy-saving renewable high-strength anti-seismic concrete and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479640A (en) * | 2020-12-01 | 2021-03-12 | 樊耀 | High-seismic-resistance recycled aggregate concrete and preparation method thereof |
| CN114059537A (en) * | 2021-11-26 | 2022-02-18 | 宁夏汇泽建设工程有限责任公司 | Concrete pouring device and method for preventing heat and cold deformation |
Citations (4)
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|---|---|---|---|---|
| JP2013119513A (en) * | 2011-12-08 | 2013-06-17 | Ohbayashi Corp | Seismic retrofit method and restoration method for reinforced concrete member |
| CN108409221A (en) * | 2018-03-24 | 2018-08-17 | 张丹丹 | A kind of shock-proof light aggregate concrete |
| CN110341033A (en) * | 2019-07-04 | 2019-10-18 | 福建省大地管桩有限公司 | The manufacturing process of pressure-resistant cracking resistance tubular pole |
| CN110627434A (en) * | 2019-09-19 | 2019-12-31 | 中地国际工程有限公司 | High-strength anti-seismic concrete and preparation method thereof |
-
2020
- 2020-05-29 CN CN202010477303.8A patent/CN111574129A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013119513A (en) * | 2011-12-08 | 2013-06-17 | Ohbayashi Corp | Seismic retrofit method and restoration method for reinforced concrete member |
| CN108409221A (en) * | 2018-03-24 | 2018-08-17 | 张丹丹 | A kind of shock-proof light aggregate concrete |
| CN110341033A (en) * | 2019-07-04 | 2019-10-18 | 福建省大地管桩有限公司 | The manufacturing process of pressure-resistant cracking resistance tubular pole |
| CN110627434A (en) * | 2019-09-19 | 2019-12-31 | 中地国际工程有限公司 | High-strength anti-seismic concrete and preparation method thereof |
Non-Patent Citations (1)
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| 侯伟生主编: "《建筑工程质量检测技术手册》", 31 July 2003, 中国建筑工业出版 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479640A (en) * | 2020-12-01 | 2021-03-12 | 樊耀 | High-seismic-resistance recycled aggregate concrete and preparation method thereof |
| CN114059537A (en) * | 2021-11-26 | 2022-02-18 | 宁夏汇泽建设工程有限责任公司 | Concrete pouring device and method for preventing heat and cold deformation |
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Application publication date: 20200825 |
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| RJ01 | Rejection of invention patent application after publication |