CN116535141A - Bare concrete and concrete construction method - Google Patents
Bare concrete and concrete construction method Download PDFInfo
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- CN116535141A CN116535141A CN202310446792.4A CN202310446792A CN116535141A CN 116535141 A CN116535141 A CN 116535141A CN 202310446792 A CN202310446792 A CN 202310446792A CN 116535141 A CN116535141 A CN 116535141A
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- Prior art keywords
- concrete
- agent
- bare
- powder
- bare concrete
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- 239000004567 concrete Substances 0.000 title claims abstract description 100
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 56
- 239000000843 powder Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 235000019738 Limestone Nutrition 0.000 claims abstract description 24
- 239000010459 dolomite Substances 0.000 claims abstract description 24
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 24
- 239000006028 limestone Substances 0.000 claims abstract description 24
- 239000004575 stone Substances 0.000 claims abstract description 22
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 12
- -1 pebble Substances 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 8
- 229920001732 Lignosulfonate Polymers 0.000 claims abstract description 4
- 239000010881 fly ash Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 23
- 239000002002 slurry Substances 0.000 claims description 18
- 239000002245 particle Substances 0.000 claims description 11
- 238000004078 waterproofing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 230000002262 irrigation Effects 0.000 claims description 6
- 238000003973 irrigation Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 239000012615 aggregate Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
-
- 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
- C04B14/02—Granular materials, e.g. microballoons
-
- 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
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
- C04B14/068—Specific natural sands, e.g. sea -, beach -, dune - or desert sand
-
- 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
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
-
- 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
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses bare concrete and a concrete construction method, wherein the bare concrete comprises the following main components: the cement composite concrete comprises water, cement powder, coarse aggregate, fine aggregate, fly ash and an additive, wherein the coarse aggregate consists of broken stone and pebble, the fine aggregate consists of limestone powder, dolomite powder and river sand, the additive consists of a water reducing agent, an early strength agent, a waterproof agent and an antifreezing agent, and the water reducing agent is made of lignosulfonate. According to the invention, broken stone, pebble, limestone powder, dolomite powder and river sand are added into the bare concrete, so that the overall functionality of the bare concrete can be greatly improved, the influence of external environment on the bare concrete is reduced, the concrete exposed to the outside is prevented from being corroded and damaged, meanwhile, the water reducing agent, the early strength agent, the waterproof agent and the antifreezing agent are relatively wide in functionality, and the selected materials are mostly environment-friendly materials, so that environmental pollution can be effectively reduced, a scientific beneficial substance proportion is formed, and the bare concrete is more suitable for being used in severe environments.
Description
Technical Field
The invention relates to the technical field of concrete, in particular to bare concrete and a concrete construction method.
Background
Concrete refers to a generic term for engineering composite materials in which aggregate is consolidated into a whole by a cementitious material, and the term concrete is generally used to refer to cement as the cementitious material and sand and stone as the aggregate.
The concrete is prepared from cementing materials, granular aggregates, water, and additives and admixtures added if necessary according to a certain proportion, but the components of the existing concrete are simpler, the use requirements of different environments cannot be met, the application range of the concrete is seriously influenced, and the concrete exposed to the outside is easily influenced by the environment.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the bare concrete and the concrete construction method, which have the advantage of improving the overall functionality of the bare concrete, and solve the problems that the components of the existing concrete are simpler, the use requirements of different environments can not be met, the application range of the concrete is seriously influenced, and the concrete exposed to the outside is easily influenced by the environment.
In order to achieve the above purpose, the present invention provides the following technical solutions: the main components of the bare concrete are as follows: water, cement powder, coarse aggregate, fine aggregate, fly ash and an additive.
Preferably, the coarse aggregate consists of broken stone and pebble, the fine aggregate consists of limestone powder, dolomite powder and river sand, the additive consists of a water reducing agent, an early strength agent, a water proofing agent and an antifreezing agent, the water reducing agent is lignin sulfonate, the early strength agent is sodium chloride, the water proofing agent is active silicon, and the antifreezing agent is chloride.
As the preferable content of each component per 100g of bare concrete, the invention comprises the following steps: cement powder, broken stone, pebble, limestone powder, dolomite powder, river sand, water reducing agent, early strength agent, waterproofing agent, antifreezing agent and water for 100g.
A bare concrete and a concrete construction method, comprising the steps of a) crushing; step b) mixing; step c) feeding; step d) heating; step e) irrigation; step f) leveling:
step a) crushing: firstly, respectively crushing broken stone, pebble, limestone and dolomite to form small-particle stone blocks, and then grinding the small-particle limestone and small-particle dolomite formed after crushing to obtain broken stone, pebble, limestone powder and dolomite powder;
step b) mixing: mixing and stirring water, cement powder, limestone powder, dolomite powder and river sand according to the weight ratio, and sequentially adding gravels, pebbles and a water reducing agent in the stirring process to obtain concrete precast slurry;
step c) feeding: adding a waterproof agent and an antifreezing agent into the concrete precast slurry to fully mix the concrete precast slurry;
step d) heating: heating the concrete precast slurry after the material is fed, adding water in the heating process, supplementing volatile liquid, and obtaining bare concrete after the concrete precast slurry is heated and cooled;
step e) irrigation: in the casting process of the bare concrete, the early strength agent and the bare concrete are mixed by a stirrer, and after the early strength agent and the bare concrete are mixed, the early strength agent and the bare concrete can be cast and filled;
step f) leveling: leveling the poured bare concrete, and finishing construction operation after the bare concrete is dried.
Preferably, in the invention, the grinding particle size of the limestone powder and the dolomite powder in the step a) is 7-200 mu m, and the grinding particle size of the broken stone and the pebble is 5-31.5 mm.
As a preferred embodiment of the invention, step c) is fed with a 10 minute interval between the addition of the waterproofing and antifreezing agent.
Preferably, in the invention, the step d) is performed with heating, the concrete precast slurry is stirred and heated by a heating tank, the heating temperature is 30 ℃, and the raw material adhesion effect is improved.
Preferably, in the step e), after the pouring is completed, a vibrator is placed on the top of the pouring layer, and the bubbles in the pouring layer are discharged through vibration.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, broken stone, pebble, limestone powder, dolomite powder and river sand are added into the bare concrete, so that the overall functionality of the bare concrete can be greatly improved, the influence of external environment on the bare concrete is reduced, the concrete exposed to the outside is prevented from being corroded and damaged, meanwhile, the water reducing agent, the early strength agent, the waterproof agent and the antifreezing agent are relatively wide in functionality, and the selected materials are mostly environment-friendly materials, so that environmental pollution can be effectively reduced, a scientific beneficial substance proportion is formed, and the bare concrete is more suitable for being used in severe environments.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a clear water concrete and a concrete construction method, wherein the clear water concrete comprises the following main components: water, cement powder, coarse aggregate, fine aggregate, fly ash and an additive.
The invention is further provided with: the coarse aggregate consists of broken stone and pebble, the fine aggregate consists of limestone powder, dolomite powder and river sand, the additive consists of a water reducing agent, an early strength agent, a water proofing agent and an antifreezing agent, the water reducing agent is made of lignosulfonate, the early strength agent is made of sodium chloride, the water proofing agent is made of active silicon, and the antifreezing agent is made of chloride.
The invention is further provided with: the content of each component is as follows, based on per 100g of the clear water concrete: cement powder, broken stone, pebble, limestone powder, dolomite powder, river sand, water reducing agent, early strength agent, waterproofing agent, antifreezing agent and water for 100g.
The invention is further provided with: a bare concrete and a concrete construction method, comprising the steps of a) crushing; step b) mixing; step c) feeding; step d) heating; step e) irrigation; step f) leveling:
step a) crushing: firstly, respectively crushing broken stone, pebble, limestone and dolomite to form small-particle stone blocks, and then grinding the small-particle limestone and small-particle dolomite formed after crushing to obtain broken stone, pebble, limestone powder and dolomite powder;
step b) mixing: mixing and stirring water, cement powder, limestone powder, dolomite powder and river sand according to the weight ratio, and sequentially adding gravels, pebbles and a water reducing agent in the stirring process to obtain concrete precast slurry;
step c) feeding: adding a waterproof agent and an antifreezing agent into the concrete precast slurry to fully mix the concrete precast slurry;
step d) heating: heating the concrete precast slurry after the material is fed, adding water in the heating process, supplementing volatile liquid, and obtaining bare concrete after the concrete precast slurry is heated and cooled;
step e) irrigation: in the casting process of the bare concrete, the early strength agent and the bare concrete are mixed by a stirrer, and after the early strength agent and the bare concrete are mixed, the early strength agent and the bare concrete can be cast and filled;
step f) leveling: leveling the poured bare concrete, and finishing construction operation after the bare concrete is dried.
The invention is further provided with: the step a) is crushing, the grinding grain size of limestone powder and dolomite powder is 7-200 mu m, and the crushing grain size of broken stone and pebble is 5-31.5 mm.
The invention is further provided with: and c), adding materials, wherein the adding interval of the waterproofing agent and the antifreezing agent is 10 minutes.
The invention is further provided with: and d) heating, namely stirring and heating the concrete precast slurry through a heating tank, wherein the heating temperature is 30 ℃, and the raw material adhesion effect is improved.
The invention is further provided with: and e) pouring, namely placing a vibrator at the top of the pouring layer after pouring, and discharging bubbles in the pouring layer through vibration.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A bare concrete and a concrete construction method are characterized in that: the main components of the bare concrete are as follows: water, cement powder, coarse aggregate, fine aggregate, fly ash and an additive.
2. The bare concrete and concrete construction method according to claim 1, wherein: the coarse aggregate consists of broken stone and pebble, the fine aggregate consists of limestone powder, dolomite powder and river sand, the additive consists of a water reducing agent, an early strength agent, a waterproof agent and an antifreezing agent, the water reducing agent is made of lignosulfonate, the early strength agent is made of sodium chloride, the waterproof agent is made of active silicon, and the antifreezing agent is made of chloride.
3. The bare concrete and concrete construction method according to claim 2, wherein: the content of each component is as follows, calculated by per 100g of bare concrete: cement powder, broken stone, pebble, limestone powder, dolomite powder, river sand, water reducing agent, early strength agent, waterproofing agent, antifreezing agent and water for 100g.
4. A bare concrete and method of constructing a concrete according to any preceding claim, wherein: comprises the steps of a) crushing; step b) mixing; step c) feeding; step d) heating; step e) irrigation; step f) leveling:
step a) crushing: firstly, respectively crushing broken stone, pebble, limestone and dolomite to form small-particle stone blocks, and then grinding the small-particle limestone and small-particle dolomite formed after crushing to obtain broken stone, pebble, limestone powder and dolomite powder;
step b) mixing: mixing and stirring water, cement powder, limestone powder, dolomite powder and river sand according to the weight ratio, and sequentially adding gravels, pebbles and a water reducing agent in the stirring process to obtain concrete precast slurry;
step c) feeding: adding a waterproof agent and an antifreezing agent into the concrete precast slurry to fully mix the concrete precast slurry;
step d) heating: heating the concrete precast slurry after the material is fed, adding water in the heating process, supplementing volatile liquid, and obtaining bare concrete after the concrete precast slurry is heated and cooled;
step e) irrigation: in the casting process of the bare concrete, the early strength agent and the bare concrete are mixed by a stirrer, and after the early strength agent and the bare concrete are mixed, the early strength agent and the bare concrete can be cast and filled;
step f) leveling: leveling the poured bare concrete, and finishing construction operation after the bare concrete is dried.
5. The bare concrete and concrete construction method according to claim 4, wherein: the step a) is crushing, the grinding grain size of limestone powder and dolomite powder is 7-200 mu m, and the crushing grain size of broken stone and pebble is 5-31.5 mm.
6. The bare concrete and concrete construction method according to claim 4, wherein: and c), adding materials, wherein the adding interval of the waterproofing agent and the antifreezing agent is 10 minutes.
7. The bare concrete and concrete construction method according to claim 4, wherein: and d) heating, namely stirring and heating the concrete precast slurry through a heating tank, wherein the heating temperature is 30 ℃, and the raw material adhesion effect is improved.
8. The bare concrete and concrete construction method according to claim 4, wherein: and e) pouring, namely placing a vibrator at the top of the pouring layer after pouring, and discharging bubbles in the pouring layer through vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310446792.4A CN116535141A (en) | 2023-04-24 | 2023-04-24 | Bare concrete and concrete construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310446792.4A CN116535141A (en) | 2023-04-24 | 2023-04-24 | Bare concrete and concrete construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116535141A true CN116535141A (en) | 2023-08-04 |
Family
ID=87451589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310446792.4A Pending CN116535141A (en) | 2023-04-24 | 2023-04-24 | Bare concrete and concrete construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116535141A (en) |
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2023
- 2023-04-24 CN CN202310446792.4A patent/CN116535141A/en active Pending
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