CN107059874A - The cool-down method of concrete pouring structure and concrete structure pouring based on heat pipe - Google Patents
The cool-down method of concrete pouring structure and concrete structure pouring based on heat pipe Download PDFInfo
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- CN107059874A CN107059874A CN201710085311.6A CN201710085311A CN107059874A CN 107059874 A CN107059874 A CN 107059874A CN 201710085311 A CN201710085311 A CN 201710085311A CN 107059874 A CN107059874 A CN 107059874A
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- heat pipe
- concrete
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- reinforcing bar
- pouring
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention belongs to concreting field, the cool-down method of a kind of concrete pouring structure based on heat pipe and concrete structure pouring is specifically provided.Present invention seek to address that waste water resource and the problem of be limited to environmental factor when casting of concrete in mass eliminates the heat of hydration by substantial amounts of water in the prior art, and the method that pours of being vibrated by layering eliminates the problem of workload during the heat of hydration is big, radiating rate is slow and easily concrete delamination phenomenon occurs.For this purpose, the pouring structure of the present invention includes many heat pipes being fixed on reinforcing bar.The present invention is by the way that the one end of heat pipe away from reinforcing bar is embedded in ground, and then the other end of opposite heat tube is poured, during pouring, and the heat produced in large volume concrete structural is timely conducted into ground by heat pipe.Therefore the pouring structure of the present invention can not only reduce the workload that the heat of hydration is eliminated in concreting process, and also improve the poring rate of concrete.
Description
Technical field
The invention belongs to concreting field, a kind of concrete pouring structure and concrete based on heat pipe are specifically provided
The cool-down method that structure is poured.
Background technology
With the development of society, concrete has become a kind of indispensable construction material.Concrete (refers specifically to coagulation
Cement in soil) can occur hydration reaction with water in use and discharge heat, for the engineering of especially large volume, than
Such as dam, bridge pier, basis, the heat of hydration have little time release cumulative will easily lead to concrete expansion cracking cause to ruin
The consequence of going out property.
At present, the casting of concrete in mass cool-down method of more maturation mainly has four kinds.The first, it is auxiliary with galvanized iron conduit
With flowing water, and multiple fin distribution grids are set on iron pipe outer wall, multiple fin are set on fin distribution grid, to increase
Plus heat absorption and the area of dissipation of iron pipe, and then can quickly reduce the heat of hydration inside mass concrete.Second, by pre-
Cooling circulating water pipe is buried, temp-sensing element, flow controller, storage tank, heating radiating control device etc. are connected with temperature control system,
So as to realize the temperature automatically controlled of mass concrete construction, and then reach the mesh of the heat of hydration inside reduction mass concrete
's.The third, the heat discharged during concreting is detected with differential temperature controller, is reduced by connected conduit and water pump
The heat of hydration inside mass concrete.4th kind, vibrate the method that pours to reduce inside mass concrete by layering
The heat of hydration.
But, first three methods are that the heat of hydration inside mass concrete is reduced by water, not only process compared with
For complexity, and to the demand of water greatly, it can not implement in the place of water resources shortage, if water is recycled,
Construction cost can then be greatly increased.It is higher to requirement of vibrating, it is necessary to wait although the 4th kind of method is small to the demand of water
The time of concrete initial set, so as to control hierarchy position, work progress is complicated, and workload is big, and radiating rate is slower.If
It is bad to the control of presetting period of concrete, concrete delamination phenomenon is there is also, this is firmly to prevent to occur in engineering construction
Phenomenon.
The content of the invention
In order to solve above mentioned problem of the prior art, be solve in the prior art concreting pass through it is substantial amounts of
Waste water resource and the problem of be limited to environmental factor when water eliminates the heat of hydration, and the method that pours of being vibrated by layering disappear
The problem of workload is big during except the heat of hydration, radiating rate is slow and easily concrete delamination phenomenon occurs, the invention provides one kind
Concrete pouring structure based on heat pipe, the pouring structure includes：The concrete poured；Heat pipe, its one end is embedded in
In the concrete, the other end stretches out from the concrete.
In the optimal technical scheme of above-mentioned pouring structure, the concrete pouring structure includes support member, the heat pipe
It is fixedly connected with the support member.
In the optimal technical scheme of above-mentioned pouring structure, the concrete pouring structure includes reinforcing bar, and the reinforcing bar is used
Make the support member.
In the optimal technical scheme of above-mentioned pouring structure, the reinforcing bar and heat pipe company of fixation by way of binding
Connect, or the reinforcing bar is fixedly connected with the heat pipe by way of welding.
In the optimal technical scheme of above-mentioned pouring structure, the diameter of the heat pipe is bigger than the diameter of the reinforcing bar by 3~
10mm。
In the optimal technical scheme of above-mentioned pouring structure, the quantity of the heat pipe is multiple, and the multiple heat pipe is uniform
It is distributed in the inside concrete.
In the optimal technical scheme of above-mentioned pouring structure, the heat pipe is carbon steel heat pipe.
The concrete pouring structure based on heat pipe of the present invention can be high by the heat of hydration produced in concreting process
Conducted from the one end for the heat pipe being embedded in concrete to the other end for the heat pipe for stretching out concrete, so as to avoid coagulation on effect ground
Concrete expansion cracking phenomena of the soil caused by internal aquation heat localization excessively, and because heat pipe need not disappear at work
Water consumption, therefore, the concrete pouring structure of the invention based on heat pipe can also saving water resource.
Present invention also offers a kind of cool-down method of the concrete structure pouring based on heat pipe, the cooling on the other hand
Method comprises the following steps：Select heat pipe；The heat pipe is fixed to the target location for treating casting concrete；Concrete is carried out to pour
Build.
Further comprise in the optimal technical scheme of above-mentioned cool-down method, the step of " selection heat pipe "：According to concrete
In the poring rate of the volume of structure, the species of concrete and concrete at least one of come select dimension heat pipe and/
Or the quantity of heat pipe.
In the optimal technical scheme of above-mentioned cool-down method, the concrete structure includes reinforcing bar, consolidates by the heat pipe
It is fixed that the step for fixing the heat pipe and the reinforcing bar is performed to before the step of the target location for treating casting concrete.
In the optimal technical scheme of above-mentioned cool-down method, the diameter of the heat pipe is bigger than the diameter of the reinforcing bar by 3~
10mm。
It is further the step of " fixing the heat pipe with the reinforcing bar " in the optimal technical scheme of above-mentioned cool-down method
Including：The heat pipe is fixed on reinforcing bar by way of welding or bundling.
In the optimal technical scheme of above-mentioned cool-down method, the target location is ground, " is fixed to the heat pipe and treats
The step of target location of casting concrete ", further comprises：The heat pipe is embedded into the ground.
In the optimal technical scheme of above-mentioned cool-down method, the ground is soil matrix.
In the optimal technical scheme of above-mentioned cool-down method, the heat pipe is carbon steel heat pipe.
The cool-down method of the concrete structure pouring based on heat pipe of the present invention, by the way that heat pipe is fixed into target location,
And then concreting is carried out to target location so that the heat of hydration that concrete is produced in casting process can by heat pipe and
When efficiently conduct., therefore, can also by the cool-down method of the present invention because heat pipe need not consume water at work
Saving water resource, in the environment without water resource, will can also be produced in concreting process in time by of the invention
The raw heat of hydration is conducted, it is to avoid in concreting process because internal aquation heat localization is excessive and caused by concrete open
Split phenomenon.
Scheme 1, a kind of concrete pouring structure based on heat pipe, it is characterised in that the pouring structure includes：
The concrete poured；
Heat pipe, its one end is embedded in the concrete, and the other end stretches out from the concrete.
Scheme 2, the concrete pouring structure based on heat pipe according to scheme 1, it is characterised in that the concreting knot
Structure includes support member, and the heat pipe is fixedly connected with the support member.
Scheme 3, the concrete pouring structure based on heat pipe according to scheme 2, it is characterised in that the concreting knot
Structure includes reinforcing bar, and the reinforcing bar is used as the support member.
Scheme 4, the concrete pouring structure based on heat pipe according to scheme 3, it is characterised in that the reinforcing bar and the heat
Pipe is fixedly connected by way of binding, or the reinforcing bar is fixedly connected with the heat pipe by way of welding.
Scheme 5, the concrete pouring structure based on heat pipe according to scheme 3, it is characterised in that the diameter ratio of the heat pipe
Big 3~the 10mm of diameter of the reinforcing bar.
Scheme 6, the concrete pouring structure based on heat pipe according to scheme 1, it is characterised in that the quantity of the heat pipe is
Multiple, the multiple heat pipe is uniformly distributed in the inside concrete.
Scheme 7, the concrete pouring structure based on heat pipe according to any one of scheme 1 to 6, it is characterised in that described
Heat pipe is carbon steel heat pipe.
Scheme 8, a kind of cool-down method of the concrete structure pouring based on heat pipe, it is characterised in that the cool-down method includes
Following steps：
Select heat pipe；
The heat pipe is fixed to the target location for treating casting concrete；
Carry out concreting.
Scheme 9, the cool-down method according to scheme 8, it is characterised in that further comprise the step of " selection heat pipe "：
At least one in the poring rate of the volume of concrete structure, the species of concrete and concrete is corresponding to select
The heat pipe of specification and/or the quantity of heat pipe.
Scheme 10, the cool-down method according to scheme 8, it is characterised in that the concrete structure includes reinforcing bar, by described in
The step for fixing the heat pipe and the reinforcing bar is performed before the step of heat pipe is fixed to the target location for treating casting concrete.
Scheme 11, the cool-down method according to scheme 10, it is characterised in that diameter of the diameter of the heat pipe than the reinforcing bar
Big 3~10mm.
Scheme 12, the cool-down method according to scheme 10, it is characterised in that the step of " fixing the heat pipe and the reinforcing bar "
Suddenly further comprise：
The heat pipe is fixed on reinforcing bar by way of welding or bundling.
Scheme 13, the cool-down method according to scheme 8, it is characterised in that the target location is ground,
The step of " heat pipe is fixed to the target location for treating casting concrete ", further comprises：
The heat pipe is embedded into the ground.
Scheme 14, the cool-down method according to scheme 13, it is characterised in that the ground is soil matrix.
Scheme 15, the cool-down method according to any one of scheme 8 to 14, it is characterised in that the heat pipe is carbon steel heat pipe.
Brief description of the drawings
Fig. 1 is the signal of casting of concrete in mass structure based on heat pipe of the present invention by taking concreting basis as an example
Figure；
Fig. 2 is casting of concrete in mass structure based on heat pipe of the present invention by taking concreting basis as an example along Fig. 1
The sectional view in middle C-C directions；
Fig. 3 is the step flow of cool-down method that pours of the large volume concrete structural based on heat pipe of the embodiment of the present invention
Figure；
Fig. 4 is that the heat of hydration of cool-down method that pours of the large volume concrete structural based on heat pipe of the embodiment of the present invention is passed
Lead schematic diagram.
Reference numerals list：
1st, reinforcing bar；2nd, carbon steel heat pipe；3rd, concrete foundation；4th, concrete cushion；5th, soil.
Embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, are not intended to limit protection scope of the present invention.For example, although
Specification is to enter by taking carbon steel heat pipe as an example come the cool-down method that pours of the large volume concrete structural based on heat pipe to the present invention
What row was introduced, however, it will be apparent that the cool-down method of the present invention can also be using other heat pipes, such as copper heat pipe, people in the art
Member can make adjustment to it as needed, to adapt to specific application scenario.
Heat pipe is a kind of heat transfer element with very high thermal conductivity, and it passes through the steaming of the liquid in Totally enclosed vacuum pipe
Hair transmits heat with condensing, and it plays the effect of similar freezer compressor refrigeration using fluid principles such as capillarities.Have
Very high thermal conductivity, excellent isothermal, heat flow density changeability, the invertibity of direction of heat flow, can remotely transferring, constant temperature it is special
The series of advantages such as property (controllable heat pipe), thermal diode and thermal switch performance.
The concrete pouring structure based on heat pipe of the present invention is particularly suitable for use in the concrete pouring structure of large volume, and it is led
To include concrete, reinforcing bar and the heat pipe poured, wherein, heat pipe is fixedly connected as by way of welding or bundling with reinforcing bar
One overall structure.Further, heat pipe is preferably carbon steel heat pipe, to reduce the cost of pouring structure.Further, according to
The actual requirement of engineering reinforcing bar both can be the reinforcing bar group being evenly arranged or the steel reinforcement cage for being fixed as an entirety, or
Person those skilled in the art can also be fixedly connected from other devices or material with carbon steel heat pipe as needed, be used as carbon steel heat
The support member of pipe can prevent carbon steel heat pipe to be moved when by concreting because of the active force of concrete.
Further, before being poured to large volume concrete structural, be connected as an integrally-built carbon steel heat pipe and
Reinforcing bar is embedded in ground.Specifically, one end of carbon steel heat pipe is embedded in ground, in the case of conditions permit, carbon
The embedding of steel heat pipe should try one's best deeply, to improve the contact area of carbon steel heat pipe and ground, and then improve dissipating for carbon steel heat pipe
The thermal efficiency.
Come to mix the large volume based on heat pipe of the present invention with reference to the reinforced concrete foundation post shown in Fig. 1 and Fig. 2
Solidifying soil pouring structure is described in detail.
As depicted in figs. 1 and 2, reinforcing bar 1 is fixedly connected with the upper part of carbon steel heat pipe 2, and the lower part of carbon steel heat pipe 2 is by depth
It is embedded in ground (soil 5 shown in Fig. 1).In order to increase the stability of reinforced concrete foundation post, in reinforced concrete
The lower end of plinth post is provided with concrete foundation 3, further, in order to increase the flatness between concrete foundation 3 and soil 5,
Concrete cushion 4 is additionally provided between concrete foundation 3 and soil 5.
Further regard to Fig. 1 and Fig. 2, carbon steel heat pipe 2 is evenly distributed in the inside of reinforced concrete foundation post, so as to
Minimal number of carbon steel heat pipe 2 just can be by the heat of hydration produced in reinforced concrete foundation post casting process conduction in time to soil
In earth 5.
Further, as shown in figure 3, the cool-down method that pours of the large volume concrete structural based on heat pipe of the present invention is main
Including：Step S100, selects heat pipe；Step S200, heat pipe is fixed on reinforcing bar；Step S300, by heat pipe and reinforcing bar together
Fixed on ground；Step S400, carries out concreting.
Specifically, in the step s 100, the heat pipe and its quantity of different size are selected according to different engineerings.More specifically
Ground, according to the volume size of concrete in engineering, pour when the thermogenetic speed of aquation and heat of hydration total amount determine the rule of heat pipe
Lattice and quantity.Further, the thermogenetic speed of aquation and heat of hydration total amount can be according to the bodies of concrete structure during concreting
At least one in the poring rate of product, the species of concrete and concrete is obtained.Heat pipe is preferably carbon steel heat pipe, so as to energy
The use cost of heat pipe is enough reduced, or those skilled in the art can also select the heat pipe of other specifications according to actual needs,
Such as copper heat pipe.In addition, the fixation of carbon steel heat pipe (refers to hereafter) diameter of carbon steel heat pipe and is preferably more than in detail for convenience
3~10mm of bar diameter, or those skilled in the art can select the carbon steel heat pipe of other diameters according to actual needs, such as
Less than the carbon steel heat pipe of bar diameter.
Specifically, in step s 200, carbon steel heat pipe is fixed on reinforcing bar by way of welding or bundling (bind),
Or those skilled in the art can also be consolidated carbon steel heat pipe and reinforcing bar by other connected modes according to actual conditions
It is fixed, fastener such as is set on carbon steel heat pipe, carbon steel heat pipe clamp is buckled on reinforcing bar by clamping member.Further, in order to improve
The heat absorption efficiency of carbon steel heat pipe, all carbon steel heat pipes are evenly distributed in concrete structure, on preferably every reinforcing bar at most
A carbon steel heat pipe is fixed, can be by other means by carbon steel heat pipe when the quantity of carbon steel heat pipe exceedes the quantity of reinforcing bar
It is fixed between reinforcing bar, piece reinforcing bar of crossbearer such as between two reinforcing bars, on the reinforcing bar that carbon steel heat pipe is fixed to the crossbearer.This
Art personnel are, it is understood that during practice of construction, reinforcing bar occurs generally in the form of steel reinforcement cage or reinforced frame.
Specifically, in step S300, the one end of carbon steel heat pipe away from reinforcing bar and reinforcing bar are together embedded in ground, this
Art personnel are it is easily understood that among practice of construction process, the ground is usually soil matrix.Those skilled in the art are also
, it is understood that carbon steel heat pipe and reinforcing bar can be embedded in vertically in ground, it can also tilt or level is embedded in
In ground.
Specifically, in step S400, be buried in carbon steel heat pipe and reinforcing bar, fixed to ground in after, to exposed on ground
Carbon steel heat pipe and reinforcing bar and its peripheral casting concrete outside base.The heat meeting that internal aquation is produced in concreting process
By carbon steel hot pipe conducting into ground.
Work with reference to Fig. 4 cool-down methods poured to the large volume concrete structural based on heat pipe of the present invention is former
Reason is described in detail.
As shown in figure 4, when having the steel reinforcement cage of heat pipe with concreting binding, because the aquation of concrete can be produced greatly
The heat of amount, especially for the concrete structure of large volume, if internal heat has little time to distribute, can make concrete structure swollen
Distending splits and then influences the quality of concrete structure.Further, the fraction for the heat that aquation is produced passes through concrete structure
Surface is dispersed into air, the heat that aquation is produced it is most of by carbon steel hot pipe conducting into ground.So, carbon steel heat pipe
Setting efficiently the heat of hydration produced inside concrete structure can be conducted in time, it is to avoid concrete structure is because in
Portion's heat is too high and swelling cracking causes the phenomenon that concrete structure quality is reduced.
In a preferred embodiment of the invention, the inside of concrete structure is connected with ground by heat pipe, made
Obtaining concrete internal heat of hydration produced in casting process can be conducted efficiently in ground in time, reduce concrete and pour
The workload of the heat of hydration is eliminated during building, the cast efficiency of concrete is improved, and need not additionally consume water resource.
So far, combined preferred embodiment shown in the drawings describes technical scheme, still, this area
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these embodiments.Without departing from this
On the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to correlation technique feature, these
Technical scheme after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of concrete pouring structure based on heat pipe, it is characterised in that the pouring structure includes：
The concrete poured；
Heat pipe, its one end is embedded in the concrete, and the other end stretches out from the concrete.
2. the concrete pouring structure according to claim 1 based on heat pipe, it is characterised in that the concreting knot
Structure includes support member, and the heat pipe is fixedly connected with the support member.
3. the concrete pouring structure according to claim 2 based on heat pipe, it is characterised in that the concreting knot
Structure includes reinforcing bar, and the reinforcing bar is used as the support member.
4. the concrete pouring structure according to claim 3 based on heat pipe, it is characterised in that the reinforcing bar and the heat
Pipe is fixedly connected by way of binding, or the reinforcing bar is fixedly connected with the heat pipe by way of welding.
5. the concrete pouring structure according to claim 3 based on heat pipe, it is characterised in that the diameter ratio of the heat pipe
Big 3~the 10mm of diameter of the reinforcing bar.
6. the concrete pouring structure according to claim 1 based on heat pipe, it is characterised in that the quantity of the heat pipe is
Multiple, the multiple heat pipe is uniformly distributed in the inside concrete.
7. the concrete pouring structure according to any one of claim 1 to 6 based on heat pipe, it is characterised in that described
Heat pipe is carbon steel heat pipe.
8. a kind of cool-down method of the concrete structure pouring based on heat pipe, it is characterised in that the cool-down method includes following
Step：
Select heat pipe；
The heat pipe is fixed to the target location for treating casting concrete；
Carry out concreting.
9. cool-down method according to claim 8, it is characterised in that further comprise the step of " selection heat pipe "：
At least one in the poring rate of the volume of concrete structure, the species of concrete and concrete is corresponding to select
The heat pipe of specification and/or the quantity of heat pipe.
10. cool-down method according to claim 8, it is characterised in that the concrete structure includes reinforcing bar, by described in
The step for fixing the heat pipe and the reinforcing bar is performed before the step of heat pipe is fixed to the target location for treating casting concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085311.6A CN107059874B (en) | 2017-02-17 | 2017-02-17 | Concrete pouring structure based on heat pipe and cooling method for concrete structure pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710085311.6A CN107059874B (en) | 2017-02-17 | 2017-02-17 | Concrete pouring structure based on heat pipe and cooling method for concrete structure pouring |
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| Publication Number | Publication Date |
|---|---|
| CN107059874A true CN107059874A (en) | 2017-08-18 |
| CN107059874B CN107059874B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710085311.6A Active CN107059874B (en) | 2017-02-17 | 2017-02-17 | Concrete pouring structure based on heat pipe and cooling method for concrete structure pouring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609819A (en) * | 2020-11-11 | 2021-04-06 | 河海大学 | Concrete member and temperature control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599513Y (en) * | 2003-01-21 | 2004-01-14 | 刘庸 | Corrosion-proof heat pipe |
| US20110094719A1 (en) * | 2009-10-28 | 2011-04-28 | Tai-Her Yang | Thermal conductive cylinder installed with u-type core piping and loop piping |
| CN105113489A (en) * | 2015-08-20 | 2015-12-02 | 中国科学院寒区旱区环境与工程研究所 | Method of reducing concrete hydration heat of cast-in-place pile in permafrost region |
| CN206562615U (en) * | 2017-02-17 | 2017-10-17 | 河南城建学院 | Concrete pouring structure based on heat pipe |
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2017
- 2017-02-17 CN CN201710085311.6A patent/CN107059874B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599513Y (en) * | 2003-01-21 | 2004-01-14 | 刘庸 | Corrosion-proof heat pipe |
| US20110094719A1 (en) * | 2009-10-28 | 2011-04-28 | Tai-Her Yang | Thermal conductive cylinder installed with u-type core piping and loop piping |
| CN105113489A (en) * | 2015-08-20 | 2015-12-02 | 中国科学院寒区旱区环境与工程研究所 | Method of reducing concrete hydration heat of cast-in-place pile in permafrost region |
| CN206562615U (en) * | 2017-02-17 | 2017-10-17 | 河南城建学院 | Concrete pouring structure based on heat pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609819A (en) * | 2020-11-11 | 2021-04-06 | 河海大学 | Concrete member and temperature control method thereof |
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| Publication number | Publication date |
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| CN107059874B (en) | 2022-10-18 |
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