CN109695246A - A kind of mass concrete construction heat dissipating method - Google Patents
A kind of mass concrete construction heat dissipating method Download PDFInfo
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- CN109695246A CN109695246A CN201811406060.8A CN201811406060A CN109695246A CN 109695246 A CN109695246 A CN 109695246A CN 201811406060 A CN201811406060 A CN 201811406060A CN 109695246 A CN109695246 A CN 109695246A
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- reinforcing bar
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- heat dissipating
- mass concrete
- dissipating method
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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
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of mass concrete construction heat dissipating methods, include the following steps, the anti-Support of Foundation Pit Excavation construction for pushing away basis of mass concrete, surveying setting-out, release distributing bar and supporting frame with steel structure built-in fitting position, it is installed in order, first floor support frame and measure reinforcing bar are installed, pour blinding concrete, support frame and measure reinforcing bar are gradually installed from the bottom up, cracking resistance reinforcing bar is installed and the three-dimensional reinforcing bar that radiates, laminated pouring mass concrete, by increasing anticracking and heat dissipation reinforcing bar system in reinforcing bar system, after concreting, inside concrete heat is transmitted to the reinforcing bar and support frame in the concreting face of stretching by three-dimensional reinforcing bar radiator system, utilize the heating conduction that reinforcing bar and steel are excellent, the heat of hydration of concrete is transmitted to reinforcing bar, by the reinforcing bar heat dissipation for stretching out concrete surface, heat is formed to pass Pathway.
Description
Technical field
The present invention relates to building engineering fields, more particularly to a kind of mass concrete construction heat dissipating method.
Background technique
With the development of the social economy, architectural image is intended to heteromorphosis development, the application of cable-membrane analysis or arch structure is got over
Come more, with the increase of the building scale of construction, the anti-volume for pushing away basis is also increasing, and the anti-basis that pushes away is located underground, and one
As using former slot casting concrete method, heat dissipation area is small, and curing time is long, and internal-external temperature difference is difficult to meet related request,
It is easy to produce crack, influences duration and quality.To ensure mass concrete quality, shortens curing time, how to improve heat dissipation
The radiating mode of the limited concrete of area, is those skilled in the art always in the problem of thinking.
Summary of the invention
It is an object of the invention to: overcome the above-mentioned problems in the prior art, proposes that a kind of mass concrete is applied
Work heat dissipating method, by increasing anticracking and heat dissipation reinforcing bar system, after concreting, inside concrete in reinforcing bar system
Heat is transmitted to the reinforcing bar and support frame in the concreting face of stretching by three-dimensional reinforcing bar radiator system, excellent using reinforcing bar and steel
The heat of hydration of concrete is transmitted to reinforcing bar by different heating conduction, and the reinforcing bar by stretching out concrete surface radiates, and is formed heat and is passed
Inside concrete heat is transmitted in air by pathway with this, to realize that the balance of internal temperature and heat dissipation can increase
The anti-crack ability of volume of concrete foundation improves the construction quality and efficiency of mass concrete.
The purpose of the present invention is realized by following technical proposals:
A kind of mass concrete construction heat dissipating method, comprising the following steps:
Step 1: the anti-Support of Foundation Pit Excavation construction for pushing away basis of mass concrete；
Step 2: surveying setting-out is released distributing bar and supporting frame with steel structure built-in fitting position, is installed in order；
Step 3: installation first floor support frame and measure reinforcing bar；
Step 4: pouring blinding concrete；
Step 5: support frame and measure reinforcing bar are gradually installed from the bottom up；
Step 6: installation cracking resistance reinforcing bar and the three-dimensional reinforcing bar that radiates；
Step 7: laminated pouring mass concrete.
A kind of mass concrete construction heat dissipating method of the invention is set between support frame and foundation pit walls in the step 5
Connector is set, the installation of the connector should be installed before the measure reinforcement installation more than corresponding position.
A kind of mass concrete construction heat dissipating method of the invention, support frame described in the step 5 is from bottom of foundation ditch
It takes root and stretches out blinding concrete surface.
A kind of mass concrete construction heat dissipating method of the invention, the three-dimensional bar frame of cracking resistance heat dissipation includes: perpendicular
To reinforcing bar, horizontal reinforcement, bridging reinforcing bar and horizontal oblique reinforcing bar.
A kind of mass concrete construction heat dissipating method of the invention, the vertical reinforcement rely on installed support frame
It is installed with measure reinforcing bar, the vertical reinforcement is arranged upwards from foundation pit bottom and stretches out concrete surface.
A kind of mass concrete construction heat dissipating method of the invention, the vertical reinforcement stretch out construction joint and concrete table
Face at least 1m.
A kind of mass concrete construction heat dissipating method of the invention, the horizontal reinforcement in the vertical direction from top to bottom between
Every arrangement several layers vertical and horizontal reinforcing bar, the vertical and horizontal reinforcing bar is extended to above concreting face.
A kind of mass concrete construction heat dissipating method of the invention, the spacing of the vertical and horizontal reinforcing bar are 1-2m,
The vertical and horizontal reinforcing bar extends to 2m above concreting face.
A kind of mass concrete construction heat dissipating method of the invention, the bridging reinforcing bar are installing vertical and horizontal direction
When reinforcing bar, be arranged respectively in the plane of steel mesh and facade along foundation pit length and width direction, the horizontal oblique reinforcing bar according to
The spacing of vertical 1.5m is arranged in steel bar plane position.
A kind of mass concrete construction heat dissipating method of the invention, vertical bridging reinforcing bar according to 2.4m spacing arrange,
The steel mesh heat dissipation system of vertical reinforcement that is entire original and adding, horizontal reinforcement composition is linked to be an entirety.
A kind of mass concrete construction heat dissipating method of the invention, the cracking resistance reinforcing bar apart from concrete surface 5cm and
The position 25cm, is respectively arranged single-layer bidirectional setting cracking resistance steel mesh, the cracking resistance reinforcing bar to be mounted on concreting flat to this
Behind face, it is placed directly in concrete surface, is fixed by vertical reinforcement, casting concrete.
According to the above technical scheme, the beneficial effects of the present invention are: proposing a kind of mass concrete construction heat dissipating method,
By increasing anticracking and heat dissipation reinforcing bar system in reinforcing bar system, after concreting, inside concrete heat passes through vertical
Body reinforcing bar heat dissipation system is transmitted to the reinforcing bar and support frame in the concreting face of stretching, utilizes the thermal conductivity that reinforcing bar and steel are excellent
Can, the heat of hydration of concrete is transmitted to reinforcing bar, the reinforcing bar by stretching out concrete surface radiates, thermal conduction path is formed, with
Inside concrete heat is transmitted in air by this, to realize that the balance of internal temperature and heat dissipation can increase large volume coagulation
The anti-crack ability of earth foundation improves the construction quality and efficiency of mass concrete.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of mass concrete construction heat dissipating method of the present invention；
Fig. 2 is a kind of section of mass concrete construction heat dissipating method of the present invention.
Specific embodiment
The present invention is further illustrated with attached drawing combined with specific embodiments below.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
If Fig. 1-2 is a kind of embodiment of mass concrete construction heat dissipating method of the present invention, a kind of mass concrete
Construction heat dissipating method, comprising the following steps:
Step 1: the anti-Support of Foundation Pit Excavation construction for pushing away basis of mass concrete；
Step 2: surveying setting-out releases distributing bar and supporting frame with steel structure built-in fitting position, in order into
Row installation；
Step 3: installation first floor support frame and measure reinforcing bar 1；
Step 4: pouring blinding concrete；
Step 5: support frame and measure reinforcing bar 1 are gradually installed from the bottom up；
Step 6: installation cracking resistance reinforcing bar and the three-dimensional reinforcing bar that radiates；
Step 7: laminated pouring mass concrete.
Connector is set between support frame and foundation pit walls in the step 5, and the installation of the connector should be in corresponding position
It is installed before above installation of measure reinforcing bar 1.
Support frame described in the step 5 takes root from bottom of foundation ditch and stretches out blinding concrete surface.
The three-dimensional bar frame of cracking resistance heat dissipation includes: that vertical reinforcement 2, horizontal reinforcement 5, bridging reinforcing bar 4 and level are oblique
To reinforcing bar 3.
The vertical reinforcement 2 relies on installed support frame and measure reinforcing bar 1 to be installed, the vertical reinforcement 2 from
Foundation pit bottom is arranged upwards and stretches out concrete surface.
The vertical reinforcement 2 stretches out construction joint and concrete surface at least 1m.
The horizontal reinforcement 5 arranged for interval several layers vertical and horizontal reinforcing bar from top to bottom in the vertical direction, the longitudinal direction
It is extended to below concreting face with transverse steel.
The spacing of the vertical and horizontal reinforcing bar is 1-2m, and the vertical and horizontal reinforcing bar extends under concreting face
Square 2m or less.
The bridging reinforcing bar 4 is when installing vertical and horizontal steel bar, along foundation pit length and width direction respectively in steel
The plane and facade of muscle net are arranged, and the horizontal oblique reinforcing bar 3 is arranged according to the spacing of vertical 1.5m in steel bar plane position.
Vertical bridging reinforcing bar 4, is arranged according to 2.4m spacing, by vertical reinforcement 2, horizontal reinforcement entire original and add
The steel mesh heat dissipation system of 5 compositions is linked to be an entirety.
The cracking resistance reinforcing bar is respectively arranged single-layer bidirectional setting cracking resistance reinforcing bar apart from the position concrete surface 5cm and 25cm
Net, the cracking resistance reinforcing bar be mounted on concreting to the plane after, be placed directly in concrete surface, pass through vertical reinforcement
2 is fixed, casting concrete.
Connection between reinforcing bar and between reinforcing bar and built-in fitting must firm welding.When installation, first spot welding is fixed temporarily section
Point reinforcing bar, then integral solder are fixed.Welded unit uses 18 reinforcing bar of φ, and length 25cm, symmetric curvature is in 90 °, with each steel bar welding
Fixation is connect, fusion length is not less than 10cm.
The connection of vertical reinforcement 2 is using diversified forms such as straight thread, butt welding or overlap weldings, and according to overlap welding, weld seam is long
Degree is not less than 10d.
On the reinforcing bar that temperature sensor is laid in corresponding position when installing bar frame, sensor connector draws coagulation
Native top surface.Then casting concrete.Wherein, vertical bridging reinforcing bar 4 and horizontal oblique connection reinforcing bar by entire reinforcing bar system with
Support frame connects into an entirety, keeps heat dissipation effect more preferable.
After concreting, inside concrete heat is transmitted to stretching concrete by three-dimensional reinforcing bar radiator system and pours
The heat of hydration of concrete is transmitted to reinforcing bar using the heating conduction that reinforcing bar and steel are excellent by the reinforcing bar and support frame for building face, is led to
The reinforcing bar heat dissipation for stretching out concrete surface is crossed, thermal conduction path is formed, inside concrete heat is transmitted in air with this, from
And realize the balance and heat dissipation of internal temperature.
In vertically and horizontally reinforcing bar and crater wall contact position, vertically and horizontally 20 reinforcing bar of φ of the terminally positioned 15cm length of reinforcing bar, with
It avoids being subjected to displacement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of mass concrete construction heat dissipating method, which comprises the following steps:
Step 1: the anti-Support of Foundation Pit Excavation construction for pushing away basis of mass concrete；
Step 2: surveying setting-out is released distributing bar and supporting frame with steel structure built-in fitting position, is installed in order；
Step 3: installation first floor support frame and measure reinforcing bar；
Step 4: pouring blinding concrete；
Step 5: support frame and measure reinforcing bar are gradually installed from the bottom up；
Step 6: installation cracking resistance reinforcing bar and the three-dimensional reinforcing bar that radiates；
Step 7: laminated pouring mass concrete.
2. a kind of mass concrete construction heat dissipating method according to claim 1, it is characterised in that: in the step 5
Connector is set between support frame and foundation pit walls, the installation of the connector should measure reinforcement installation more than corresponding position it
Before be installed.
3. a kind of mass concrete construction heat dissipating method according to claim 2, it is characterised in that: in the step 5
Support frame as described above takes root from bottom of foundation ditch and stretches out blinding concrete surface.
4. a kind of mass concrete construction heat dissipating method according to claim 1, it is characterised in that: the cracking resistance heat dissipation
Three-dimensional bar frame includes: vertical reinforcement, horizontal reinforcement, bridging reinforcing bar and horizontal oblique reinforcing bar.
5. a kind of mass concrete construction heat dissipating method according to claim 4, it is characterised in that: the vertical reinforcement
Installed support frame and measure reinforcing bar is relied on to be installed, the vertical reinforcement is arranged upwards from foundation pit bottom and stretches out coagulation
Native surface.
6. a kind of mass concrete construction heat dissipating method according to claim 5, it is characterised in that: the vertical reinforcement
Stretch out construction joint and concrete surface at least 1m.
7. a kind of mass concrete construction heat dissipating method according to claim 4, it is characterised in that: the horizontal reinforcement
Arranged for interval several layers vertical and horizontal reinforcing bar, the vertical and horizontal reinforcing bar extend to concrete from top to bottom in the vertical direction
It pours below face.
8. a kind of mass concrete construction heat dissipating method according to claim 7, it is characterised in that: described longitudinal and horizontal
It is 1-2m to the spacing of reinforcing bar, the vertical and horizontal reinforcing bar extends to 2m or less below concreting face.
9. a kind of mass concrete construction heat dissipating method according to claim 4, it is characterised in that: the bridging steel
Muscle is arranged in the plane of steel mesh and facade respectively when installing vertical and horizontal steel bar, along foundation pit length and width direction,
The horizontal oblique reinforcing bar is arranged according to the spacing of vertical 1.5m in steel bar plane position.
10. a kind of mass concrete construction heat dissipating method according to claim 4, it is characterised in that: the cracking resistance steel
Muscle is respectively arranged single-layer bidirectional setting cracking resistance steel mesh, the peace of the cracking resistance reinforcing bar apart from the position concrete surface 5cm and 25cm
After concreting to the plane, it is placed directly in concrete surface, is fixed by vertical reinforcement, casting concrete is
It can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406060.8A CN109695246A (en) | 2018-11-23 | 2018-11-23 | A kind of mass concrete construction heat dissipating method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406060.8A CN109695246A (en) | 2018-11-23 | 2018-11-23 | A kind of mass concrete construction heat dissipating method |
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| CN109695246A true CN109695246A (en) | 2019-04-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910641A (en) * | 2020-08-14 | 2020-11-10 | 河南省出山店水库管理局 | Mass concrete anti-cracking method under spring pouring condition of strong base rock strong constraint area |
| CN111910653A (en) * | 2020-08-14 | 2020-11-10 | 河南省出山店水库管理局 | Anti-cracking method for quickly backfilling large-volume concrete in large deep and long defect groove |
| CN112261499A (en) * | 2020-10-21 | 2021-01-22 | 深圳艾灵网络有限公司 | Communication base station |
| CN112609819A (en) * | 2020-11-11 | 2021-04-06 | 河海大学 | Concrete member and temperature control method thereof |
| CN113187240A (en) * | 2021-05-25 | 2021-07-30 | 国厦建设有限公司 | Concrete pouring method for reducing crack generation |
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| CN102704483A (en) * | 2012-02-26 | 2012-10-03 | 成都市第六建筑工程公司 | Method for taking cooling pipe network as building bottom plate multi-layer reinforced support frame |
| CN203347203U (en) * | 2013-05-29 | 2013-12-18 | 中建三局第二建设工程有限责任公司 | Multi-functional super-thick bulked concrete steel tube support system |
| CN204875833U (en) * | 2015-06-24 | 2015-12-16 | 江苏南通三建集团有限公司 | Super thick super large concrete foundation resistance to compression board steel bar support |
| CN106049519A (en) * | 2016-07-18 | 2016-10-26 | 重庆建工第三建设有限责任公司 | Stepped large raft construction technology |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102704483A (en) * | 2012-02-26 | 2012-10-03 | 成都市第六建筑工程公司 | Method for taking cooling pipe network as building bottom plate multi-layer reinforced support frame |
| CN203347203U (en) * | 2013-05-29 | 2013-12-18 | 中建三局第二建设工程有限责任公司 | Multi-functional super-thick bulked concrete steel tube support system |
| CN204875833U (en) * | 2015-06-24 | 2015-12-16 | 江苏南通三建集团有限公司 | Super thick super large concrete foundation resistance to compression board steel bar support |
| CN106049519A (en) * | 2016-07-18 | 2016-10-26 | 重庆建工第三建设有限责任公司 | Stepped large raft construction technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111910641A (en) * | 2020-08-14 | 2020-11-10 | 河南省出山店水库管理局 | Mass concrete anti-cracking method under spring pouring condition of strong base rock strong constraint area |
| CN111910653A (en) * | 2020-08-14 | 2020-11-10 | 河南省出山店水库管理局 | Anti-cracking method for quickly backfilling large-volume concrete in large deep and long defect groove |
| CN112261499A (en) * | 2020-10-21 | 2021-01-22 | 深圳艾灵网络有限公司 | Communication base station |
| CN112609819A (en) * | 2020-11-11 | 2021-04-06 | 河海大学 | Concrete member and temperature control method thereof |
| CN113187240A (en) * | 2021-05-25 | 2021-07-30 | 国厦建设有限公司 | Concrete pouring method for reducing crack generation |
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