CN114458030A - Concrete curing method - Google Patents
Concrete curing method Download PDFInfo
- Publication number
- CN114458030A CN114458030A CN202210079326.2A CN202210079326A CN114458030A CN 114458030 A CN114458030 A CN 114458030A CN 202210079326 A CN202210079326 A CN 202210079326A CN 114458030 A CN114458030 A CN 114458030A
- Authority
- CN
- China
- Prior art keywords
- concrete
- curing
- template
- temperature
- cast
- 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.)
- Pending
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 164
- 238000001723 curing Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 9
- 238000005336 cracking Methods 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 230000036571 hydration Effects 0.000 claims description 4
- 238000006703 hydration reaction Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 2
- 238000009415 formwork Methods 0.000 claims 1
- 238000011065 in-situ storage Methods 0.000 claims 1
- 208000034423 Delivery Diseases 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 abstract description 6
- 239000011150 reinforced concrete Substances 0.000 abstract description 6
- 238000007711 solidification Methods 0.000 abstract description 6
- 230000008023 solidification Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000004568 cement Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 6
- 230000001680 brushing effect Effects 0.000 description 5
- 238000005266 casting Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- DHZSIQDUYCWNSB-UHFFFAOYSA-N chloroethene;1,1-dichloroethene Chemical compound ClC=C.ClC(Cl)=C DHZSIQDUYCWNSB-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a concrete curing method, and relates to the technical field of concrete curing. The concrete curing method comprises the following steps: before the template is installed, the template is preprocessed, and before concrete is poured, the template is watered until the template is completely wet; pouring concrete; constructing the cast-in-place concrete surfaces of the top surface and the bottom surface of the member; curing the cast-in-place concrete, spraying a water-retaining material on the surface of the concrete to form a curing film, covering the cast-in-place concrete by using a full-width air bag, wherein the full-width air bag is internally provided with a steam curing system, and curing the concrete by using the steam curing system; and removing the template, and treating and maintaining the crack. According to the invention, the template is pretreated before the template is installed, and the cracks are treated and maintained after the template is removed, so that the cracks generated in the solidification process of concrete can be effectively coped with, thus the engineering quality of a cast-in-place reinforced concrete structure serving as a main stressed member is ensured, the normal delivery time of the engineering is prevented from being delayed, and the economic benefit of the engineering is ensured.
Description
Technical Field
The invention relates to the technical field of concrete curing, in particular to a concrete curing method.
Background
Concrete curing is the artificial creation of certain humidity and temperature conditions that allow the concrete to be normal or accelerate its hardening and strength growth.
The gradual hardening and strength increase of concrete is the result of cement hydration, which requires certain temperature and humidity conditions, and manual curing of concrete is required if the surrounding environment is not present.
Concrete is a non-homogeneous brittle material, which consists of aggregate, set cement and gas and water left therein, hardens and generates volume deformation under the condition of temperature and humidity change, and generates initial stress (tensile stress or shear stress) due to the deformation inconsistency of various materials and mutual constraint, so that micro cracks invisible to naked eyes appear between the aggregate and the set cement bonding surface or the set cement itself. The distribution of the micro cracks is irregular and not consistent, but under the action of load or under the condition of further generating temperature difference and drying shrinkage, the cracks begin to spread and gradually communicate with each other, so that larger macroscopic cracks (the width of the macroscopic cracks is 0.03-0.05 mm) appear.
In the existing concrete curing method, cracks generated in the solidification process of concrete cannot be effectively dealt with, so that the engineering quality of a cast-in-place reinforced concrete structure serving as a main stressed member is reduced, the normal delivery time of the engineering is delayed, and economic loss is caused to the engineering.
Disclosure of Invention
The invention mainly aims to provide a concrete curing method, and aims to solve the technical problems that cracks generated in the solidification process of concrete cannot be effectively coped with in the prior art, so that the engineering quality of a cast-in-place reinforced concrete structure serving as a main stressed member is reduced, the normal delivery time of an engineering is delayed, and economic loss is caused to the engineering.
In order to achieve the above object, the present invention provides a concrete curing method, which comprises the following steps:
before the template is installed, the template is preprocessed, and before concrete is poured, the template is watered until the template is completely wet;
pouring concrete, and vibrating the concrete in the pouring process;
performing finishing construction and plastering construction on the cast-in-place concrete surfaces of the top surface and the bottom surface of the member;
curing the cast-in-place concrete, spraying a water-retaining material on the surface of the concrete to form a curing film, and supporting a full-width air bag by using a light bracket so that the full-width air bag covers the cast-in-place concrete, wherein a steam curing system is arranged in the full-width air bag, and the concrete is cured by using the steam curing system; and the number of the first and second groups,
and (4) removing the template, and treating and maintaining the crack.
Optionally, before the steam curing system installs the template, the step of preprocessing the template includes:
before concrete is poured, watering the template until the template is completely wetted through the atomizing unit, wherein the atomizing unit is arranged in the full-width air bag and is used for generating steam;
a temperature control system for controlling the temperature within the full-width air bag.
Optionally, the method of curing cast-in-place concrete comprises:
when the concrete is doped with the antifreezing agent, the temperature for the initial curing of the concrete is more than or equal to the specified temperature of the antifreezing agent;
when the temperature of the initial curing of the concrete is lower than the specified temperature of the antifreezing agent, the concrete is subjected to heat preservation;
when the initial curing temperature of the concrete is lower than the specified temperature of the antifreezing agent, the strength of the concrete is more than or equal to 3.5 Mpa.
Optionally, the method for insulating concrete includes:
wrapping a straw bag on the outer surface of a pumping pipe for conveying concrete for heat preservation;
and covering the straw curtain in time for heat preservation after concrete pouring is finished.
Optionally, the method for removing the template, treating and curing the crack includes:
and when the concrete meets the specified strength requirement and meets the specification of frost resistance, the template is removed.
Optionally, the method for removing the template, treating and curing the crack includes:
and when the temperature difference between the concrete and the environment is more than 10 ℃ and less than 15 ℃, paving a temporary cover on the concrete surface after the template is removed.
Optionally, the method of curing cast-in-place concrete comprises:
during construction in high-temperature, low-humidity or high-wind-speed weather, water spraying maintenance is performed after concrete is poured, so that the concrete is kept wet.
Optionally, the method for treating and curing the crack comprises:
when micro cracks are found on the surface of the concrete, timely plastering and pressing;
and covering the wet material for curing.
Optionally, the concrete is of a variety with low hydration heat, and the total amount of cementing materials for conveying the concrete is less than or equal to 500kg/m3。
Optionally, the concrete is doped with an anti-cracking and anti-seepage retarder.
According to the technical scheme, the template is preprocessed before being installed, and cracks are processed and maintained after the template is removed, so that the cracks generated in the solidification process of concrete are effectively coped with, the engineering quality of a cast-in-place reinforced concrete structure serving as a main stressed component is guaranteed, the normal delivery time of the engineering is prevented from being delayed, and the economic benefit of the engineering is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a concrete curing method of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the related art, the existing concrete curing method cannot effectively deal with cracks generated in the solidification process of concrete, so that the engineering quality of a cast-in-place reinforced concrete structure serving as a main stressed member is reduced, the normal delivery time of the engineering is delayed, and economic loss is caused to the engineering
The invention provides a concrete curing method, which is specifically described below with reference to fig. 1, and fig. 1 is a flow diagram of the concrete curing method.
In an embodiment of the present invention, as shown in fig. 1, the concrete curing method includes the following steps:
s1: before the template is installed, the template is preprocessed, and before concrete is poured, the template is watered until the template is completely wet;
s2: pouring concrete, and vibrating the concrete in the pouring process;
s3: performing finishing construction and plastering construction on the cast-in-place concrete surfaces of the top surface and the bottom surface of the member;
s4: curing the cast-in-place concrete, spraying a water-retaining material on the surface of the concrete to form a waterproof curing film, and supporting a full-width air bag by using a light bracket so that the full-width air bag covers the cast-in-place concrete, wherein a steam curing system is arranged in the full-width air bag, and the concrete is cured by using the steam curing system; and the number of the first and second groups,
s5: and (4) removing the template, and treating and maintaining the crack.
It should be noted that when concrete is poured, the concrete is poured in a hot weather; the aggregate must be pre-cooled by water spray during casting on a hot day to reduce the temperature of concrete mixing and casting, so as to prevent water in the concrete from evaporating too quickly and causing cracks on the surface of the concrete.
Wherein, full width gasbag adopts bilayer structure, and the inlayer is fixed, breaks away from the concrete face after the outer complete release pressure, when removing full width gasbag, the surface of full width gasbag does not contact with the concrete to make the removal process of full width gasbag not disturbed by the concrete face, the material of full width gasbag can adopt high-strength PVC, the full width gasbag can realize two kinds of steady voltage modes of airtight atmospheric pressure (short-term) and dynamic stability atmospheric pressure intelligence air pump air feed (the live time is longer).
The steam-curing concrete improves the reaction temperature of the concrete, at the heating temperature rise stage of the initial stage, mainly rely on the condensation of steam on the concrete to release heat and give the steam heat to the concrete, in the concrete full width gasbag use, gasbag maintenance platform truck still can arrange in pairs, be provided with light bracket on the gasbag maintenance platform truck, the full width gasbag is installed on light bracket, the actual structure of light bracket is decided according to the actual appearance of maintenance concrete, the gasbag maintenance platform truck is provided with has the water pump, water tank and heating device, gasbag maintenance platform truck is used for supplying vapor to the contact surface of full width gasbag and concrete, in order to realize the steam-curing process to the concrete.
Wherein, the full-width air bag, the air bag maintenance trolley and the steam maintenance system are all the existing products which are visible in the market.
When the concrete surface is sprayed, the method is implemented according to the following process:
a1, spraying or brushing the upper surface of the structure when no finger print is generated by lightly pressing with fingers without floating water for 2-4 hours after concrete pouring, and standing the wall immediately after demolding.
A2, spraying (brushing) the concrete on its surface from one end to another end by a sprayer or a sprayer, and spraying it on the concrete surface from top to bottom by a sprayer head about 30cm from the surface, and the operator standing at the windward position sprays it line by line in sequence and pushes it forward. Generally, the spraying is carried out twice, each time is mutually overlapped, the thickness is consistent, and the conditions of missing spraying (brushing), bottom penetrating and the like are avoided.
A3, during spraying, the working pressure of an air compressor is preferably 0.4-0.5 MPa, the pressure of a container is preferably 0.2-0.3 MPa, the spraying thickness of the solution is 2.5m2/kg, and the thickness is required to be uniform.
A4, brushing transversely once and then vertically from top to bottom, wherein brushing is carried out quickly to achieve uniformity and consistent thickness without brush marks, and each time can be finished at once without flowing, leaking and the like.
And A5, after the work is finished, cleaning the equipment and tools to avoid corrosion and blockage.
In the spraying process, the concrete curing liquid is used for construction, the concrete curing liquid commonly used comprises perchloroethylene, vinyl chloride-vinylidene chloride (LP-37), alkyd resin, synthetic rubber solution, water glass aqueous solution and the like, the former two are widely used and have commercial supply, the product has delivery qualification certificate, and the quality meets the product standard requirement.
According to the invention, the template is pretreated before the template is installed, and the cracks are treated and maintained after the template is removed, so that the cracks generated in the solidification process of concrete can be effectively coped with, thus the engineering quality of a cast-in-place reinforced concrete structure serving as a main stressed member is ensured, the normal delivery time of the engineering is prevented from being delayed, and the economic benefit of the engineering is ensured.
Optionally, the steam curing system comprises:
the atomization unit is arranged in the full-width air bag and is used for generating water vapor;
a temperature control system for controlling the temperature within the full-width air bag in one embodiment, the base layer and the form are thoroughly wetted by water prior to pouring the concrete.
Optionally, the method of curing cast-in-place concrete comprises:
s401: when the concrete is doped with the antifreezing agent, the temperature for the initial curing of the concrete is more than or equal to the specified temperature of the antifreezing agent;
s402: when the temperature of the initial curing of the concrete is lower than the specified temperature of the antifreezing agent, the concrete is subjected to heat preservation;
s403: when the initial curing temperature of the concrete is lower than the specified temperature of the antifreezing agent, the strength of the concrete is more than or equal to 3.5 Mpa.
In one embodiment, when concrete is prepared, the water cement ratio and the cement dosage are strictly controlled, and stones with good gradation are selected to reduce the void ratio and the sand ratio; meanwhile, the concrete is tamped to be dense so as to reduce the shrinkage and improve the anti-cracking performance of the concrete.
Optionally, the method for insulating concrete includes:
s4021: wrapping a straw bag on the outer surface of a pumping pipe for conveying concrete for heat preservation;
s4022: and covering the straw curtain in time for heat preservation after concrete pouring is finished.
In one embodiment, after the concrete is poured, the exposed surface is covered with a wet material in time and carefully cured as described above.
Optionally, the method for removing the template, treating and curing the crack includes:
s501: and when the concrete meets the specified strength requirement and meets the specification of frost resistance, the template is removed.
Optionally, the method for removing the template, treating and curing the crack includes:
s5001: and when the temperature difference between the concrete and the environment is more than 10 ℃ and less than 15 ℃, paving a temporary cover on the concrete surface after the template is removed.
Optionally, the method of curing cast-in-place concrete comprises:
f1: during construction in high-temperature, low-humidity or high-wind-speed weather, water spraying maintenance is performed after concrete is poured, so that the concrete is kept wet.
Specifically, after concrete pouring, water spraying maintenance is carried out as soon as possible to keep the concrete moist, and when large-area concrete pouring is carried out, one section is poured and one section is maintained.
In addition, the plastering and maintaining work of the surface is enhanced.
Optionally, the method for treating and curing the crack comprises:
f500: when micro cracks are found on the surface of the concrete, timely plastering and pressing;
f501: and covering the wet material for curing.
In one embodiment, the moist material is a wetted mat.
Optionally, the concrete is of a variety with low hydration heat, and the total amount of cementing materials for conveying the concrete is less than or equal to 500kg/m3。
Specifically, selected cement, sand, stone and additives are required to be qualified, cement with unqualified stability is strictly forbidden for construction, and the mixing proportion is strictly controlled and adjusted to ensure the quality of concrete.
Optionally, the concrete is doped with an anti-cracking and anti-seepage retarder.
Specifically, through a field sampling concrete test, the anti-cracking and anti-seepage retarder is doped into the concrete according to the experimental proportion, so that the drying shrinkage of the concrete is compensated, the plastic crack of the concrete is eliminated, and the anti-cracking capability of the concrete is improved.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A concrete curing method is characterized by comprising the following steps:
before the template is installed, the template is preprocessed, and before concrete is poured, the template is watered until the template is completely wet;
pouring concrete, and vibrating the concrete in the pouring process;
performing finishing construction and plastering construction on the cast-in-place concrete surfaces of the top surface and the bottom surface of the member;
curing the cast-in-place concrete, spraying a water-retaining material on the surface of the concrete to form a waterproof curing film, and supporting a full-width air bag by using a light bracket so that the full-width air bag covers the cast-in-place concrete, wherein a steam curing system is arranged in the full-width air bag, and the concrete is cured by using the steam curing system; and the number of the first and second groups,
and (4) removing the template, and treating and maintaining the crack.
2. A concrete curing method as recited in claim 1, wherein said steam curing system comprises:
the atomization unit is arranged in the full-width air bag and is used for generating water vapor;
a temperature control system for controlling the temperature within the full-width air bag.
3. A concrete curing method as recited in claim 2, wherein said method of curing cast in place concrete comprises:
when the concrete is doped with the antifreezing agent, the temperature for the initial curing of the concrete is more than or equal to the specified temperature of the antifreezing agent;
when the temperature of the initial curing of the concrete is lower than the specified temperature of the antifreezing agent, the concrete is subjected to heat preservation;
when the initial curing temperature of the concrete is lower than the specified temperature of the antifreezing agent, the strength of the concrete is more than or equal to 3.5 Mpa.
4. A concrete curing method as recited in claim 3, wherein said method of maintaining the temperature of the concrete comprises:
wrapping a straw bag on the outer surface of a pumping pipe for conveying concrete for heat preservation;
and covering the straw curtain in time for heat preservation after concrete pouring is finished.
5. A concrete curing method as claimed in any one of claims 2 to 4, wherein said method of removing the formwork, treating and curing the cracks comprises:
and when the concrete meets the specified strength requirement and meets the specification of frost resistance, the template is removed.
6. A concrete curing method as defined in claim 5, wherein said method of removing the form, treating and curing the crack comprises:
and when the temperature difference between the concrete and the environment is more than 10 ℃ and less than 15 ℃, paving a temporary cover on the concrete surface after the template is removed.
7. A concrete curing method as defined in claim 5, wherein said method of curing cast in situ concrete comprises:
during construction in high-temperature, low-humidity or high-wind-speed weather, water spraying maintenance is performed after concrete is poured, so that the concrete is kept wet.
8. A concrete curing method according to claim 7, wherein the method of treating and curing the crack comprises:
when micro cracks are found on the surface of the concrete, timely plastering and pressing;
and covering the wet material for curing.
9. A concrete curing method as defined in claim 7, wherein: the concrete is a variety with low hydration heat, and the total amount of cementing materials for conveying the concrete is less than or equal to 500kg/m3。
10. A concrete curing method as defined in claim 7, wherein: the concrete is doped with the anti-cracking seepage-proofing retarder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210079326.2A CN114458030A (en) | 2022-01-24 | 2022-01-24 | Concrete curing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210079326.2A CN114458030A (en) | 2022-01-24 | 2022-01-24 | Concrete curing method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114458030A true CN114458030A (en) | 2022-05-10 |
Family
ID=81412097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210079326.2A Pending CN114458030A (en) | 2022-01-24 | 2022-01-24 | Concrete curing method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114458030A (en) |
-
2022
- 2022-01-24 CN CN202210079326.2A patent/CN114458030A/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106522577B (en) | Prestressed carbon cloth reinforced reinforced concrete square columns construction method | |
US20160122950A1 (en) | Method of reducing alkali-silica reaction for embedding aggregate in concrete and mitigating detrimental effects of freeze-thaw in concrete | |
CN103015717A (en) | Construction process for coating faced concrete outside ultrahigh steel tube column after floor is closed | |
US20020152711A1 (en) | Multiple layer composite material consisting of cement-bound concrete and polymer-bound concrete and method for producing the same | |
CN102518216A (en) | Cantilever type cover plate deformation joint structure of accessible roof and construction method for structure | |
CN110219216A (en) | A kind of construction method of town road and abutment backfill based on foam concrete | |
CN207435908U (en) | A kind of intelligent temperature regulates and controls fog curing system | |
JP6095409B2 (en) | Curing method for blast furnace cement concrete | |
CN108301320A (en) | The method for paving of water-protected enclosure layer based on C40 microlith fiber concretes | |
JP6051497B1 (en) | Inorganic material construction method | |
CN114458030A (en) | Concrete curing method | |
CN111140263B (en) | Tunnel concrete lining crack width calculation method and crack treatment method | |
CN108179858A (en) | A kind of artificial stone paving structure and its laying method | |
JP5974346B1 (en) | Inorganic material construction method | |
US20180272564A1 (en) | Flex-Cure Pneumatically Applied Wet Blanket | |
CN105731851B (en) | High-strength light cracking resistance auxiliary material and the method for improving concrete anticracking and thermal insulation property | |
CN202509637U (en) | Cantilever type cover plate deformation joint structure of roofing for people to climb | |
CN112554628A (en) | Large anti-cracking thin-wall water pool and construction method thereof | |
KR101653365B1 (en) | Concrete structure construction method using curer | |
CA1038140A (en) | Constructional units | |
JP7142869B1 (en) | Inorganic material construction method | |
JP7142868B1 (en) | Inorganic material construction method | |
CN110409747A (en) | Ground waterproof construction method | |
CN214659212U (en) | Large anti-cracking thin-wall water pool | |
CN214772865U (en) | Summer beam body cavity health preserving device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
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 |
Application publication date: 20220510 |
|
RJ01 | Rejection of invention patent application after publication |