CN112939548A - Manufacturing method of high-strength mortar concrete - Google Patents
Manufacturing method of high-strength mortar concrete Download PDFInfo
- Publication number
- CN112939548A CN112939548A CN202110380521.4A CN202110380521A CN112939548A CN 112939548 A CN112939548 A CN 112939548A CN 202110380521 A CN202110380521 A CN 202110380521A CN 112939548 A CN112939548 A CN 112939548A
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- portions
- powder
- aggregate
- parts
- cement
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- 239000004567 concrete Substances 0.000 title claims abstract description 36
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 45
- 239000000835 fiber Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004568 cement Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000010881 fly ash Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000010453 quartz Substances 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 239000011398 Portland cement Substances 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 239000011374 ultra-high-performance concrete Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004574 high-performance concrete Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- C04B28/02—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
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
- C04B14/42—Glass
- C04B14/44—Treatment for enhancing alkali resistance
Abstract
The invention discloses a method for manufacturing high-strength mortar concrete, which is characterized by comprising the following steps: the high-strength mortar concrete comprises the following raw materials in parts by weight: 400 portions of cement 350-processed materials, 1100 portions of aggregate 900-processed materials, 740 portions of fine aggregate 700-processed materials, 230 portions of powder 170-processed materials, 160 portions of water 140-processed materials, 50-250 portions of chopped fibers and 8-12 portions of high-performance water reducing agent. According to the invention, the chopped fibers are added into the concrete raw material, so that the strength of the concrete is improved, the corrosion phenomenon of the steel fibers after the steel fibers are added is avoided, and the cost is reduced.
Description
Technical Field
The invention relates to the field of concrete manufacturing, in particular to a manufacturing method of high-strength mortar concrete.
Background
Concrete is the most widely used building material in the world. Concrete has high compressive strength but low tensile strength, which results in the disadvantages of high brittleness, poor toughness, poor deformation resistance, etc.
And the ultra-high performance concrete (UHPC) as a novel high performance concrete has ultra-high mechanical property and excellent durability. The steel fiber is mixed in the UHPC to improve the ductility of concrete to a great extent, so that the UHPC has a very wide development prospect.
However, the steel fiber can corrode in coastal areas and in severely polluted environments, so that the corrosion of steel bars inside the concrete pole can be further caused, and the service life and the bearing capacity of the concrete pole are seriously influenced.
Disclosure of Invention
The invention mainly solves the problems in the prior art and provides a method for manufacturing high-strength mortar concrete
The invention is realized by the following technologies:
a manufacturing method of high-strength mortar concrete comprises the following steps: the high-strength mortar concrete comprises the following raw materials in parts by weight: 400 portions of cement 350-processed materials, 1100 portions of aggregate 900-processed materials, 740 portions of fine aggregate 700-processed materials, 230 portions of powder 170-processed materials, 160 portions of water 140-processed materials, 50-250 portions of chopped fibers and 8-12 portions of high-performance water reducing agent.
Furthermore, the grain diameter of the aggregate is 1.5-2.5mm, the grain diameter of the fine aggregate is 0.2-0.5mm, and the mesh number of the powder is 100-500 meshes.
Further, the cement is Portland cement No. 42.5; the aggregate and the fine aggregate are both quartz sand; the powder material is a mixture of quartz powder and fly ash, wherein the ratio of the quartz powder to the fly ash is 3: 2.
Furthermore, the chopped fibers are alkali-resistant glass fibers with the length of 5-10 mm.
The manufacturing method of the high-strength mortar concrete comprises the following steps:
s1: sieving the powder, and selecting the powder with qualified meshes for later use; weighing cement, powder and a high-performance water reducing agent in corresponding parts, and then putting the cement, the powder and the high-performance water reducing agent into a stirring device for uniformly stirring;
s2: crushing the aggregate and the fine aggregate to enable the particle size to meet the use requirement, and then soaking the aggregate and the fine aggregate in water to enable the aggregate and the fine aggregate to be easily stained with cement and powder; then weighing corresponding parts, putting the parts into a stirring device, and uniformly stirring to ensure that the aggregates and the fine aggregates are both adhered with cement and powder;
s3: weighing water in corresponding parts, putting the water into a stirring device, and stirring for 2-3min to fully mix the materials in the stirring device;
s4: weighing the chopped fibers in corresponding parts, putting the chopped fibers into a stirring device, and continuously stirring for 1-2min to fully mix the chopped fibers and the concrete.
The invention has the beneficial effects that:
according to the invention, the chopped fibers are added into the concrete raw material, so that the strength of the concrete is improved, the corrosion phenomenon of the steel fibers after the steel fibers are added is avoided, and the cost is reduced.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more apparent, the present invention will be further explained with reference to the following embodiments.
The first embodiment is as follows:
a manufacturing method of high-strength mortar concrete comprises the following steps: the high-strength mortar concrete comprises the following raw materials in parts by weight: 350 parts of cement, 900 parts of aggregate, 700 parts of fine aggregate, 170 parts of powder, 140 parts of water, 50 parts of chopped fiber and 8 parts of high-performance water reducing agent.
As a preference of this embodiment, the particle size of the aggregate is 1.5-2.5mm, the particle size of the fine aggregate is 0.2-0.5mm, and the mesh number of the powder is 100-500 mesh.
As a preference of this embodiment, the cement is portland cement No. 42.5; the aggregate and the fine aggregate are both quartz sand; the powder material is a mixture of quartz powder and fly ash, wherein the ratio of the quartz powder to the fly ash is 3: 2.
As a preferred example of this embodiment, alkali-resistant glass fibers having a length of 5 to 10mm are used as the chopped fibers.
The manufacturing method of the high-strength mortar concrete comprises the following steps:
s1: sieving the powder, and selecting the powder with qualified meshes for later use; weighing cement, powder and a high-performance water reducing agent in corresponding parts, and then putting the cement, the powder and the high-performance water reducing agent into a stirring device for uniformly stirring;
s2: crushing the aggregate and the fine aggregate to enable the particle size to meet the use requirement, and then soaking the aggregate and the fine aggregate in water to enable the aggregate and the fine aggregate to be easily stained with cement and powder; then weighing corresponding parts, putting the parts into a stirring device, and uniformly stirring to ensure that the aggregates and the fine aggregates are both adhered with cement and powder;
s3: weighing water in corresponding parts, putting the water into a stirring device, and stirring for 2min to fully mix the materials in the stirring device;
s4: weighing the chopped fibers in corresponding parts, putting the chopped fibers into a stirring device, and continuously stirring for 1min to fully mix the chopped fibers and the concrete.
Example two:
a manufacturing method of high-strength mortar concrete comprises the following steps: the high-strength mortar concrete comprises the following raw materials in parts by weight: 375 parts of cement, 1000 parts of aggregate, 720 parts of fine aggregate, 200 parts of powder, 150 parts of water, 150 parts of chopped fiber and 10 parts of high-performance water reducing agent.
As a preference of this embodiment, the particle size of the aggregate is 1.5-2.5mm, the particle size of the fine aggregate is 0.2-0.5mm, and the mesh number of the powder is 100-500 mesh.
As a preference of this embodiment, the cement is portland cement No. 42.5; the aggregate and the fine aggregate are both quartz sand; the powder material is a mixture of quartz powder and fly ash, wherein the ratio of the quartz powder to the fly ash is 3: 2.
As a preferred example of this embodiment, alkali-resistant glass fibers having a length of 5 to 10mm are used as the chopped fibers.
Example three:
a manufacturing method of high-strength mortar concrete comprises the following steps: the high-strength mortar concrete comprises the following raw materials in parts by weight: 400 parts of cement, 1100 parts of aggregate, 740 parts of fine aggregate, 230 parts of powder, 160 parts of water, 250 parts of chopped fiber and 12 parts of high-performance water reducing agent.
As a preference of this embodiment, the particle size of the aggregate is 1.5-2.5mm, the particle size of the fine aggregate is 0.2-0.5mm, and the mesh number of the powder is 100-500 mesh.
As a preference of this embodiment, the cement is portland cement No. 42.5; the aggregate and the fine aggregate are both quartz sand; the powder material is a mixture of quartz powder and fly ash, wherein the ratio of the quartz powder to the fly ash is 3: 2.
As a preferred example of this embodiment, alkali-resistant glass fibers having a length of 5 to 10mm are used as the chopped fibers.
Example four:
a manufacturing method of high-strength mortar concrete comprises the following steps: the high-strength mortar concrete comprises the following raw materials in parts by weight: 382 parts of cement, 1022 parts of aggregate, 705 parts of fine aggregate, 224 parts of powder, 154 parts of water, 250 parts of chopped fiber and 9 parts of high-performance water reducing agent.
As a preference of this embodiment, the particle size of the aggregate is 1.5-2.5mm, the particle size of the fine aggregate is 0.2-0.5mm, and the mesh number of the powder is 100-500 mesh.
As a preference of this embodiment, the cement is portland cement No. 42.5; the aggregate and the fine aggregate are both quartz sand; the powder material is a mixture of quartz powder and fly ash, wherein the ratio of the quartz powder to the fly ash is 3: 2.
As a preferred example of this embodiment, alkali-resistant glass fibers having a length of 5 to 10mm are used as the chopped fibers.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes or modifications made in accordance with the spirit of the present disclosure are intended to be covered by the scope of the present disclosure.
Claims (5)
1. A manufacturing method of high-strength mortar concrete is characterized in that: the high-strength mortar concrete comprises the following raw materials in parts by weight: 400 portions of cement 350-processed materials, 1100 portions of aggregate 900-processed materials, 740 portions of fine aggregate 700-processed materials, 230 portions of powder 170-processed materials, 160 portions of water 140-processed materials, 50-250 portions of chopped fibers and 8-12 portions of high-performance water reducing agent.
2. The method of manufacturing a high strength mortar concrete according to claim 1, wherein: the particle size of the aggregate is 1.5-2.5mm, the particle size of the fine aggregate is 0.2-0.5mm, and the mesh number of the powder is 100-500 meshes.
3. The method of manufacturing a high strength mortar concrete according to claim 2, wherein: the cement is Portland cement No. 42.5; the aggregate and the fine aggregate both adopt quartz sand; the powder material is a mixture of quartz powder and fly ash, wherein the ratio of the quartz powder to the fly ash is 3: 2.
4. The method of manufacturing a high strength mortar concrete according to claim 1, wherein: the chopped fibers are alkali-resistant glass fibers and have the length of 5-10 mm.
5. The method for producing a high-strength mortar concrete according to any one of claims 1 to 4, wherein: the method comprises the following steps:
s1: weighing cement, powder and a high-performance water reducing agent in corresponding parts, and then putting the cement, the powder and the high-performance water reducing agent into a stirring device for uniformly stirring;
s2: soaking the aggregate and the fine aggregate in water, then weighing corresponding parts, putting the parts into a stirring device, and uniformly stirring;
s3: weighing water in corresponding parts, putting the water into a stirring device, and uniformly stirring;
s4: weighing the chopped fibers in corresponding parts, putting the chopped fibers into a stirring device, and uniformly stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380521.4A CN112939548A (en) | 2021-04-09 | 2021-04-09 | Manufacturing method of high-strength mortar concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110380521.4A CN112939548A (en) | 2021-04-09 | 2021-04-09 | Manufacturing method of high-strength mortar concrete |
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| Publication Number | Publication Date |
|---|---|
| CN112939548A true CN112939548A (en) | 2021-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110380521.4A Pending CN112939548A (en) | 2021-04-09 | 2021-04-09 | Manufacturing method of high-strength mortar concrete |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180020643A (en) * | 2016-08-19 | 2018-02-28 | 한국철도기술연구원 | Ultra high performance concrete composite using industrial by-products |
| CN108218357A (en) * | 2018-01-11 | 2018-06-29 | 中国建材检验认证集团北京天誉有限公司 | A kind of glass fiber reinforced cement material being prepared using CHARACTERISTICS OF TAILINGS SAND |
| CN110981400A (en) * | 2019-12-02 | 2020-04-10 | 湘潭大学 | Low-shrinkage steam-curing-free self-compacting C140UHPC and preparation method thereof |
| CN111499301A (en) * | 2020-04-24 | 2020-08-07 | 江苏建筑职业技术学院 | Clear water structure decorative concrete and preparation method thereof |
| CN111925164A (en) * | 2020-07-02 | 2020-11-13 | 广东建设职业技术学院 | High-performance concrete and preparation method thereof |
-
2021
- 2021-04-09 CN CN202110380521.4A patent/CN112939548A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180020643A (en) * | 2016-08-19 | 2018-02-28 | 한국철도기술연구원 | Ultra high performance concrete composite using industrial by-products |
| CN108218357A (en) * | 2018-01-11 | 2018-06-29 | 中国建材检验认证集团北京天誉有限公司 | A kind of glass fiber reinforced cement material being prepared using CHARACTERISTICS OF TAILINGS SAND |
| CN110981400A (en) * | 2019-12-02 | 2020-04-10 | 湘潭大学 | Low-shrinkage steam-curing-free self-compacting C140UHPC and preparation method thereof |
| CN111499301A (en) * | 2020-04-24 | 2020-08-07 | 江苏建筑职业技术学院 | Clear water structure decorative concrete and preparation method thereof |
| CN111925164A (en) * | 2020-07-02 | 2020-11-13 | 广东建设职业技术学院 | High-performance concrete and preparation method thereof |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210611 |