CN108383466A - Low-cost concrete - Google Patents
Low-cost concrete Download PDFInfo
- Publication number
- CN108383466A CN108383466A CN201810455222.0A CN201810455222A CN108383466A CN 108383466 A CN108383466 A CN 108383466A CN 201810455222 A CN201810455222 A CN 201810455222A CN 108383466 A CN108383466 A CN 108383466A
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- CN
- China
- Prior art keywords
- weight
- parts
- concrete
- cement
- gypsum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C04B28/14—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 calcium sulfate cements
-
- 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
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
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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 present invention provides a kind of low-cost concretes, including：The cement of 80~120 parts by weight；The sand of 700~750 parts by weight；The stone of 1000~1100 parts by weight；The water of 150~200 parts by weight；The flyash of 150~200 parts by weight；The miberal powder of 50~80 parts by weight；The additive of 1~5 parts by weight；The gypsum of 10~70 parts by weight.Gypsum is added in the present invention in concrete formulation, can largely reduce the dosage of cement, but later strength, endurance quality do not deteriorate, or even increase.The experimental results showed that concrete provided by the invention, in the case of cost reduction, intensity can reach the 103% of conventional concrete, and incorporation degree is good, compactness is high, durability is excellent, impermeability is good.
Description
Technical field
The invention belongs to technical field of concrete more particularly to a kind of low-cost concretes.
Background technology
Concrete is that the general designation of the cementing integral engineered composite material of aggregate is widely used in soil by cementitious material
Wood engineering.
Prior art discloses the concrete of many proportionings, are generally obtained by cement, sandstone, water, additive and admixture
, in order to obtain later strength and the preferable concrete of durability, the prior art provides cement use generally using gray scale is reduced
The method of amount, but cement belongs to high energy consumption industry, needs to consume a large amount of raw coal during burning clinker of cement, and generate a large amount of
Dust and pernicious gas, therefore cost is higher.
Invention content
In view of this, the purpose of the present invention is to provide a kind of low-cost concrete, cost under conditions of meeting intensity
It is relatively low.
The present invention provides a kind of low-cost concretes, including：
The cement of 80~120 parts by weight；
The sand of 700~750 parts by weight；
The stone of 1000~1100 parts by weight；
The water of 150~200 parts by weight；
The flyash of 150~200 parts by weight；
The miberal powder of 50~80 parts by weight；
The additive of 1~5 parts by weight；
The gypsum of 10~70 parts by weight.
In one embodiment, the concrete includes：
The cement of 90~95 parts by weight；
The sand of 710~730 parts by weight；
The stone of 1020~1040 parts by weight；
The water of 160~180 parts by weight；
The flyash of 160~180 parts by weight；
The miberal powder of 60~70 parts by weight；
The additive of 4~4.5 parts by weight；
The gypsum of 40~45 parts by weight.
In one embodiment, the concrete includes：
The cement of 94 parts by weight；
The sand of 720 parts by weight；
The stone of 1035 parts by weight；
The water of 170 parts by weight；
The flyash of 170 parts by weight；
The miberal powder of 66 parts by weight；
The additive of 4.3 parts by weight；
The gypsum of 42 parts by weight.
In one embodiment, the cement is Portland cement, model PO42.5.
In one embodiment, I grade of the model F classes of the flyash.
In one embodiment, the model S95 of the miberal powder.
In one embodiment, sand in IIth area of model of the sand.
In one embodiment, the stone is 5mm~31.5mm continuous gradings.
In one embodiment, the additive is selected from polycarboxylic admixture.
In one embodiment, the gypsum is building gypsum.
Gypsum is added in the present invention in concrete formulation, can largely reduce the dosage of cement, but later strength, durable
Performance does not deteriorate, or even increases.The experimental results showed that concrete provided by the invention is in the case of cost reduction,
Intensity can reach the 103% of conventional concrete, and incorporation degree is good, compactness is high, durability is excellent, impermeability is good.
Specific implementation mode
Comparative example 1
Common C30 concrete mixs：Cement：Sand：Stone：Water：Flyash：Miberal powder：Additive is：250kg：
737kg：1018kg：175kg：92kg：78kg：4.2kg.
Wherein, the model PO42.5 of the cement；I grade of the model F classes of the flyash；The type of the miberal powder
Number be S95；Sand in IIth area of model of the sand；The stone is 5mm~31.5mm continuous gradings；The additive choosing
From polycarboxylic admixture.
Preparation method：
Cement, sand, stone, water, flyash, miberal powder and additive are stirred, concrete is obtained.
28 days marks of obtained concrete support the 28 of the concrete that intensity is as shown in table 1, and table 1 provides for comparative example 1 of the present invention
Its mark supports intensity.
28 days marks of the concrete that 1 comparative example 1 of the present invention of table provides support intensity
| 35.5 | 34.8 | 36.0 | 35.5 | 37.0 | 34.0 | 35.2 | 34.8 |
| 36.0 | 36.1 | 34.9 | 35.8 | 36.6 | 37.0 | 35.5 | 35.5 |
| 36.0 | 36.1 | 35.5 | 36.0 | 34.2 | 35.2 | 36.2 | 35.0 |
| 37.0 | 34.0 | 35.6 | 34.0 | 34.8 | 35.5 | 36.0 | 37.0 |
| 35.6 | 35.6 | 35.0 | 36.0 | 37.2 | 35.5 | 34.6 | 37.2 |
Its mean intensity is 34.9MPa.
Embodiment 1
Concrete mix：
Cement：Sand：Stone：Water：Flyash：Miberal powder：Additive：Gypsum is：94kg：720kg： 1035kg：170kg：
170kg：66kg：4.3kg：42kg.
Wherein, the model PO42.5 of the cement；I grade of the model F classes of the flyash；The type of the miberal powder
Number be S95；Sand in IIth area of model of the sand；The stone is 5mm~31.5mm continuous gradings；The additive choosing
From polycarboxylic admixture；The gypsum is building gypsum.
Preparation method：
Cement, sand, stone, water, flyash, miberal powder, additive and gypsum are stirred, concrete is obtained.
28 days marks of obtained concrete support the 28 of the concrete that intensity is as shown in table 2, and table 2 provides for the embodiment of the present invention 1
Its mark supports intensity.
28 days marks of the concrete that 2 embodiment of the present invention 1 of table provides support intensity
| 35.4 | 34.8 | 36.0 | 35.9 | 36.0 | 35.0 | 35.8 | 35.8 |
| 36.4 | 36.7 | 35.9 | 34.8 | 36.5 | 37.3 | 34.5 | 35.6 |
| 36.8 | 35.1 | 35.5 | 36.8 | 34.2 | 35.2 | 36.2 | 35.0 |
| 37.8 | 34.6 | 35.0 | 34.8 | 35.8 | 35.8 | 36.2 | 37.2 |
| 35.3 | 35.0 | 35.0 | 36.2 | 36.2 | 35.3 | 35.6 | 37.0 |
Its average intensity value is 35.8MPa, reaches the 103% of comparative example 1.
Compared with comparative example 1, about 20 yuan of cost is reduced per side's concrete.
The concrete incorporation degree, state are superior to the normal concrete of comparative example 1, change conventional concrete and easily occur
Phenomena such as poor water retention property, concrete easily isolate, concrete easy bleeding.
The concrete durability is better than the normal concrete of comparative example 1, reaches impervious p12 without seeping water by experiment
Phenomenon is reached 1030s/ seconds by electric passband.Harmful substance detection is below normal concrete.
It can be seen that concrete optimum incorporation degree provided by the invention is good, compactness is high, can preferably improve mixed
The durability for coagulating soil, is applicable to various available normal concrete ranges and mixes plaster concrete.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of low-cost concrete, including：
The cement of 80~120 parts by weight；
The sand of 700~750 parts by weight；
The stone of 1000~1100 parts by weight；
The water of 150~200 parts by weight；
The flyash of 150~200 parts by weight；
The miberal powder of 50~80 parts by weight；
The additive of 1~5 parts by weight；
The gypsum of 10~70 parts by weight.
2. low-cost concrete according to claim 1, which is characterized in that including：
The cement of 90~95 parts by weight；
The sand of 710~730 parts by weight；
The stone of 1020~1040 parts by weight；
The water of 160~180 parts by weight；
The flyash of 160~180 parts by weight；
The miberal powder of 60~70 parts by weight；
The additive of 4~4.5 parts by weight；
The gypsum of 40~45 parts by weight.
3. low-cost concrete according to claim 2, which is characterized in that including：
The cement of 94 parts by weight；
The sand of 720 parts by weight；
The stone of 1035 parts by weight；
The water of 170 parts by weight；
The flyash of 170 parts by weight；
The miberal powder of 66 parts by weight；
The additive of 4.3 parts by weight；
The gypsum of 42 parts by weight.
4. according to the concrete described in claims 1 to 3 any one, which is characterized in that the model P of the cement
O42.5。
5. according to the concrete described in claims 1 to 3 any one, which is characterized in that the model F classes I of the flyash
Grade.
6. according to the concrete described in claims 1 to 3 any one, which is characterized in that the model S95 of the miberal powder.
7. according to the concrete described in claims 1 to 3 any one, which is characterized in that in IIth area of model of the sand
Sand.
8. according to the concrete described in claims 1 to 3 any one, which is characterized in that the stone connects for 5mm~31.5mm
Continuous grading.
9. according to the concrete described in claims 1 to 3 any one, which is characterized in that the additive is selected from outside polycarboxylic acids
Add agent.
10. according to the concrete described in claims 1 to 3 any one, which is characterized in that the gypsum is building gypsum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455222.0A CN108383466A (en) | 2018-05-14 | 2018-05-14 | Low-cost concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455222.0A CN108383466A (en) | 2018-05-14 | 2018-05-14 | Low-cost concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108383466A true CN108383466A (en) | 2018-08-10 |
Family
ID=63071022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810455222.0A Pending CN108383466A (en) | 2018-05-14 | 2018-05-14 | Low-cost concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108383466A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467392A (en) * | 2019-07-16 | 2019-11-19 | 中交一公局第二工程有限公司 | A kind of low cement concrete formula of anchorage large volume |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070317A (en) * | 2010-11-26 | 2011-05-25 | 北京新奥混凝土集团有限公司 | Mineral admixture concrete |
| CN102690084A (en) * | 2011-08-25 | 2012-09-26 | 江苏荣能集团股份有限公司 | Self-compaction concrete with heavily doped fly ash and preparation method thereof |
| CN105219146A (en) * | 2015-10-26 | 2016-01-06 | 福建建工建材科技开发有限公司 | A kind of aqueous colorful imitates stone coating system |
| CN105645894A (en) * | 2015-12-29 | 2016-06-08 | 武汉武新新型建材股份有限公司 | High-performance concrete with large mixing amount of mineral powder and manufacturing method of high-performance concrete |
| CN105801053A (en) * | 2016-03-16 | 2016-07-27 | 武汉源锦商品混凝土有限公司 | Large-admixing-amount-fly-ash C40 self-compacting concrete |
-
2018
- 2018-05-14 CN CN201810455222.0A patent/CN108383466A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070317A (en) * | 2010-11-26 | 2011-05-25 | 北京新奥混凝土集团有限公司 | Mineral admixture concrete |
| CN102690084A (en) * | 2011-08-25 | 2012-09-26 | 江苏荣能集团股份有限公司 | Self-compaction concrete with heavily doped fly ash and preparation method thereof |
| CN105219146A (en) * | 2015-10-26 | 2016-01-06 | 福建建工建材科技开发有限公司 | A kind of aqueous colorful imitates stone coating system |
| CN105645894A (en) * | 2015-12-29 | 2016-06-08 | 武汉武新新型建材股份有限公司 | High-performance concrete with large mixing amount of mineral powder and manufacturing method of high-performance concrete |
| CN105801053A (en) * | 2016-03-16 | 2016-07-27 | 武汉源锦商品混凝土有限公司 | Large-admixing-amount-fly-ash C40 self-compacting concrete |
Non-Patent Citations (4)
| Title |
|---|
| 中华人民共和国住房和城乡***: "《JGJ 55-2011 普通混凝土配合比设计规程》", 22 April 2011 * |
| 刘振华: "预制混凝土早期强度试验研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
| 张巨松: "《混凝土学（第2版）》", 30 June 2017, 哈尔滨工业大学出版社 * |
| 林宗寿: "《水泥"十万"个为什么（10）》", 31 July 2012, 武汉理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467392A (en) * | 2019-07-16 | 2019-11-19 | 中交一公局第二工程有限公司 | A kind of low cement concrete formula of anchorage large volume |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180810 |