CN108978665A - One kind is cast-in-place to build concrete curing method - Google Patents
One kind is cast-in-place to build concrete curing method Download PDFInfo
- Publication number
- CN108978665A CN108978665A CN201810939423.8A CN201810939423A CN108978665A CN 108978665 A CN108978665 A CN 108978665A CN 201810939423 A CN201810939423 A CN 201810939423A CN 108978665 A CN108978665 A CN 108978665A
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- China
- Prior art keywords
- layer
- gunnysack
- concrete
- foundation pit
- laid
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Cast-in-place concrete curing method is built the invention discloses a kind of, after concrete final set in pouring area inside foundation pit, at least 2 layers of gunnysack being sufficiently humidified so as to are covered on its surface, before foundation pit inner concrete will enter temperature-fall period, at least one layer of plastic film is covered on the gunnysack surface for being located at top layer, it is then laid at least one layer of gunnysack layer, at least two layers of gunnysack is laid on to the side of foundation pit inner concrete bottom plate, is fixed at template and the support section space of concrete floor；Conservation layer is built on the outside of concrete floor side, conservation layer is made of heating layer and insulating layer, and heating layer is located at the inside of insulating layer；The present invention conserves the cast-in-place concrete built by being laid with gunnysack, plastic film and geotextiles in the outside of foundation pit inner concrete, while building conservation layer and brooder and further being conserved to concrete, and maintenance effect is excellent.
Description
Technical field
It is specifically a kind of cast-in-place to build concrete curing method the present invention relates to technical field of concrete.
Background technique
Concrete, referred to as " concrete ": refer to the general designation for the cementing integral engineered composite material that gathers materials by cementitious material.
One word of concrete usually said, which refers to, makees cementitious material with cement, and sand, masonry gather materials；It is pressed with water (additive and admixture can be contained)
Certain proportion cooperation, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.
After casting and compacting of concrete, why can gradually condense hardening, be primarily due to cement aquation as a result, and aquation
Effect then needs temperature and humidity condition appropriate, therefore in order to guarantee that concrete has suitable curing condition, makes its intensity not
It is disconnected to increase, it is necessary to which that concrete is conserved.
Existing concrete curing method is excessively single, is unable to satisfy requirement of the concrete to temperature and humidity, influences to mix
Coagulate the hardening of soil.
Summary of the invention
The purpose of the present invention is to provide it is a kind of it is cast-in-place build concrete curing method, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme:
One kind is cast-in-place to build concrete curing method, comprising the following steps:
1), after the concrete final set in pouring area 1 inside foundation pit, at least 2 layers of gunnysack being sufficiently humidified so as to is covered on its surface, are continued
3-5 days, in the process, remain the wet of gunnysack；
2) before, foundation pit inner concrete will enter temperature-fall period, in at least one layer of modeling of gunnysack surface covering for being located at top layer
Expect film, is then laid at least one layer of gunnysack layer, at least one layer of geotextiles are covered on gunnysack layer, re-lay at least three layers on it
Then gunnysack is laid at least one layer of plastic film, is finally laid at least two layers of gunnysack；
3), when the central temperature of foundation pit inner concrete bottom plate and the difference of environment temperature tend to 20 DEG C or falling temperature gradient tends to be greater than
At 1.1 DEG C, it is laid with geotextiles and is kept the temperature；
4), at least two layers of gunnysack is laid on to the side of foundation pit inner concrete bottom plate, be fixed on the template and branch of concrete floor
It supports at segment space, gunnysack edge fastens, and is pegged using flitch and nail, prevents gunnysack from falling；
5) conservation layer, is built on the outside of concrete floor side, conservation layer is made of heating layer and insulating layer, and heating layer is located at
The inside of insulating layer, and heating layer is hollow structure；
6) brooder, is built above foundation pit after the completion of basis pours；It is arranged while providing the heating installation of heating in foundation pit,
Heating installation is located at the four corners of foundation pit, and heating installation is connected to by air duct with the inside of heating layer, so as to heating layer
Inside is passed through heating, conserves to concrete；
7), brooder is supported with the precast concrete column of 15 × 15cm of high 5.0~6.0m, and canopy lid is bound using round log scene,
The concrete discharging mouth of ceiling sets movable material lid and is kept the temperature with piece of sack packet straw mattress；
8), the canopy lid is assembled using monolithic steel truss, and ceiling sets concrete discharging mouth and movable material lid；
As a further solution of the present invention: the gunnysack layer includes at least two layers of gunnysack, and at least two layers of gunnysack is using one vertical one
Horizontal mode is laid with；
As further scheme of the invention: the inside of the insulating layer is filled with asbestos；
As further scheme of the invention: the brooder is by steel truss combination beam, sizing heat preservation supporting structure, hoisting structure
And building enclosure assembles, entire canopy lid is integral lifting elements；
As further scheme of the invention: within the scope of 5~15 DEG C of temperature in the brooder.
Compared with prior art, the beneficial effects of the present invention are: the present invention in the outside of foundation pit inner concrete by spreading
If gunnysack, plastic film and geotextiles conserve the cast-in-place concrete built, while building conservation layer and brooder to concrete
It is further conserved, maintenance effect is excellent.
Detailed description of the invention
Fig. 1 is the cast-in-place structural schematic diagram for building concrete curing method.
In figure: the pouring area 1-, 2- heating installation, 3- conservation layer, 4- insulating layer, 5- heating layer, the air duct 6-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, one kind is cast-in-place to build concrete curing method in the embodiment of the present invention, comprising the following steps:
1), after the concrete final set in pouring area 1 inside foundation pit, at least 2 layers of gunnysack being sufficiently humidified so as to is covered on its surface, are continued
3-5 days, in the process, remain the wet of gunnysack；
2) before, foundation pit inner concrete will enter temperature-fall period, in at least one layer of modeling of gunnysack surface covering for being located at top layer
Expect film, is then laid at least one layer of gunnysack layer, at least one layer of geotextiles are covered on gunnysack layer, re-lay at least three layers on it
Then gunnysack is laid at least one layer of plastic film, is finally laid at least two layers of gunnysack；
3), when the central temperature of foundation pit inner concrete bottom plate and the difference of environment temperature tend to 20 DEG C or falling temperature gradient tends to be greater than
At 1.1 DEG C, it is laid with geotextiles and is kept the temperature；
4), at least two layers of gunnysack is laid on to the side of foundation pit inner concrete bottom plate, be fixed on the template and branch of concrete floor
It supports at segment space, gunnysack edge fastens, and is pegged using flitch and nail, prevents gunnysack from falling；
5) conservation layer 3, is built on the outside of concrete floor side, conservation layer 3 is made of heating layer 5 and insulating layer 4, heating layer
5 are located at the inside of insulating layer 4, and heating layer 5 is hollow structure；
6) brooder, is built above foundation pit after the completion of basis pours；It is arranged in foundation pit while the heating installation of heating is provided
2, heating installation 2 is located at the four corners of foundation pit, and heating installation 2 is connected to by air duct with the inside of heating layer, so as to heating
The inside of layer is passed through heating, conserves to concrete；
7), brooder is supported with the precast concrete column of 15 × 15cm of high 5.0~6.0m, and canopy lid is bound using round log scene,
The concrete discharging mouth of ceiling sets movable material lid and is kept the temperature with piece of sack packet straw mattress；
8), the canopy lid is assembled using monolithic steel truss, and ceiling sets concrete discharging mouth and movable material lid；
Preferably, in the present embodiment, the gunnysack layer includes at least two layers of gunnysack, the side that at least two layers of gunnysack uses a vertical and one horizontal
Formula is laid with；
Preferably, in the present embodiment, the inside of the insulating layer 4 is filled with asbestos；
Preferably, in the present embodiment, the brooder is by steel truss combination beam, sizing heat preservation supporting structure, hoisting structure and goes along with sb. to guard him
Structure assembles, and entire canopy lid is integral lifting elements；
Preferably, in the present embodiment, within the scope of 5~15 DEG C of temperature in the brooder.
The present invention by the outside of foundation pit inner concrete be laid with gunnysack, plastic film and geotextiles to it is cast-in-place build it is mixed
Solidifying soil is conserved, while being built conservation layer and brooder and further being conserved to concrete, and maintenance effect is excellent.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. one kind is cast-in-place to build concrete curing method, which comprises the following steps:
1), after the concrete final set in pouring area 1 inside foundation pit, at least 2 layers of gunnysack being sufficiently humidified so as to is covered on its surface, are continued
3-5 days, in the process, remain the wet of gunnysack；
2) before, foundation pit inner concrete will enter temperature-fall period, in at least one layer of modeling of gunnysack surface covering for being located at top layer
Expect film, is then laid at least one layer of gunnysack layer, at least one layer of geotextiles are covered on gunnysack layer, re-lay at least three layers on it
Then gunnysack is laid at least one layer of plastic film, is finally laid at least two layers of gunnysack；
3), when the central temperature of foundation pit inner concrete bottom plate and the difference of environment temperature tend to 20 DEG C or falling temperature gradient tends to be greater than
At 1.1 DEG C, it is laid with geotextiles and is kept the temperature；
4), at least two layers of gunnysack is laid on to the side of foundation pit inner concrete bottom plate, be fixed on the template and branch of concrete floor
It supports at segment space, gunnysack edge fastens, and is pegged using flitch and nail, prevents gunnysack from falling；
5) it, is built on the outside of concrete floor side conservation layer (3), conservation layer (3) is by heating layer (5) and insulating layer (4) group
At heating layer (5) is located at the inside of insulating layer (4), and heating layer (5) is hollow structure；
6) brooder, is built above foundation pit after the completion of basis pours；It is arranged in foundation pit while the heating installation of heating is provided
(2), heating installation (2) is located at the four corners of foundation pit, and heating installation (2) is connected to by air duct with the inside of heating layer；
7), brooder is supported with the precast concrete column of 15 × 15cm of high 5.0~6.0m, and canopy lid is bound using round log scene,
The concrete discharging mouth of ceiling sets movable material lid and is kept the temperature with piece of sack packet straw mattress；
8), the canopy lid is assembled using monolithic steel truss, and ceiling sets concrete discharging mouth and movable material lid.
2. cast-in-place concrete curing method is built according to claim 1, which is characterized in that the gunnysack layer includes at least two
Layer gunnysack, at least two layers of gunnysack are laid with by the way of a vertical and one horizontal.
3. cast-in-place concrete curing method is built according to claim 1, which is characterized in that the inside of the insulating layer (4)
Filled with asbestos.
4. cast-in-place concrete curing method is built according to claim 1, which is characterized in that the brooder is combined by steel truss
Beam, sizing heat preservation supporting structure, hoisting structure and building enclosure assemble, and entire canopy lid is integral lifting elements.
5. cast-in-place concrete curing method is built according to claim 1, which is characterized in that temperature 5 in the brooder~
Within the scope of 15 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939423.8A CN108978665A (en) | 2018-08-17 | 2018-08-17 | One kind is cast-in-place to build concrete curing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810939423.8A CN108978665A (en) | 2018-08-17 | 2018-08-17 | One kind is cast-in-place to build concrete curing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108978665A true CN108978665A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810939423.8A Pending CN108978665A (en) | 2018-08-17 | 2018-08-17 | One kind is cast-in-place to build concrete curing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041994A (en) * | 2019-12-24 | 2020-04-21 | 中交隧道工程局有限公司 | Pier stud wraps up in mould device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501311A (en) * | 2011-11-23 | 2012-06-20 | 国核工程有限公司 | Method for curing bottom plate concrete of nuclear island |
| CN103410164A (en) * | 2013-08-07 | 2013-11-27 | 国家电网公司 | Concrete curing method for power transmission and transformation line foundations in winter |
| CN104109989A (en) * | 2013-04-18 | 2014-10-22 | 中铁十一局集团第一工程有限公司 | Method for curing double-block ballastless tracks in extreme environments |
| CN104369262A (en) * | 2013-08-12 | 2015-02-25 | 中铁二局股份有限公司 | Concrete curing method for Gobi environments |
| CN204850505U (en) * | 2015-07-20 | 2015-12-09 | 中国建筑第八工程局有限公司 | Concrete heat preservation maintenance brooder |
| CN206957250U (en) * | 2017-06-06 | 2018-02-02 | 中国建筑第六工程局有限公司 | A kind of brooder for the freeze proof heat preservation construction of severe cold area cold weather concrete |
-
2018
- 2018-08-17 CN CN201810939423.8A patent/CN108978665A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501311A (en) * | 2011-11-23 | 2012-06-20 | 国核工程有限公司 | Method for curing bottom plate concrete of nuclear island |
| CN104109989A (en) * | 2013-04-18 | 2014-10-22 | 中铁十一局集团第一工程有限公司 | Method for curing double-block ballastless tracks in extreme environments |
| CN103410164A (en) * | 2013-08-07 | 2013-11-27 | 国家电网公司 | Concrete curing method for power transmission and transformation line foundations in winter |
| CN104369262A (en) * | 2013-08-12 | 2015-02-25 | 中铁二局股份有限公司 | Concrete curing method for Gobi environments |
| CN204850505U (en) * | 2015-07-20 | 2015-12-09 | 中国建筑第八工程局有限公司 | Concrete heat preservation maintenance brooder |
| CN206957250U (en) * | 2017-06-06 | 2018-02-02 | 中国建筑第六工程局有限公司 | A kind of brooder for the freeze proof heat preservation construction of severe cold area cold weather concrete |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041994A (en) * | 2019-12-24 | 2020-04-21 | 中交隧道工程局有限公司 | Pier stud wraps up in mould device |
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Application publication date: 20181211 |
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| RJ01 | Rejection of invention patent application after publication |