CN203452386U - Temperature control and protection device and temperature control and protection warm shed for concrete construction in low-air-pressure dry cold region - Google Patents
Temperature control and protection device and temperature control and protection warm shed for concrete construction in low-air-pressure dry cold region Download PDFInfo
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- CN203452386U CN203452386U CN201320428213.5U CN201320428213U CN203452386U CN 203452386 U CN203452386 U CN 203452386U CN 201320428213 U CN201320428213 U CN 201320428213U CN 203452386 U CN203452386 U CN 203452386U
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Abstract
The utility model relates to a temperature control and protection device and temperature control and protection warm shed for concrete construction in a low-air-pressure dry cold region. The protection device comprises a heating layer, heat preservation layers, protective layers and an anti-tension layer, wherein the heat preservation layers are arranged on the two sides of the heating layer, the protective layers are arranged on the outer sides of the heat preservation layers, and the anti-tension layer is arranged on the outer side of the protective layer on one side. The temperature control and protection warm shed for concrete construction in the low-air-pressure dry cold region comprises a shed frame, the temperature control and protection device for concrete construction in the low-air-pressure dry cold region is laid on the shed frame, and the face, provided with the anti-tension layer, of the temperature control and protection device for concrete construction in the low-air-pressure dry cold region faces the shed frame. By means of the temperature control and protection device and temperature control and protection warm shed for concrete construction in the low-air-pressure dry cold region, influence of environment in an existing concrete construction process in the low-air-pressure dry cold region is avoided, and particularly the difficult situations of protecting the concrete face during pouring and maintenance of concrete, and constructing concrete on spot surrounding the special region are overcome.
Description
Technical field
The utility model relates to the concrete of the concrete Structural Engineering of civil engineering and builds engineering, more particularly, relates to the dry severe cold of a kind of low pressure region concrete construction temperature control protective device, and the dry severe cold of a kind of low pressure region concrete construction temperature control protection brooder.
Background technology
In the concrete work progress of the dry severe cold of low pressure region, in concrete cast in situs process because being subject to the impact of severe cold, in concrete moisture meeting building and because environment temperature of living in is too low, producing between curing time icing phenomenon.If icing result can cause in concrete the cement cannot aquation in the cast-in-place process of concrete, now water directly becomes solid phase from liquid phase, and on surface, concrete seemingly becomes firmly, but intensity extremely declines after ice-out, therefore will prevent in concrete casting process directly icing phenomenon of water.
Hydration process due to concrete is a relatively long process on the other hand, so concrete will constantly carry out maintenance after building moulding, thereby guarantees that the hydrated cementitious in concrete is abundant.If the temperature of this time period concrete is too low, directly allow the aqueous water in concrete directly freeze, after this phenomenon generation, not only cement aquation stops substantially, leads intensity is no longer increased.In addition because water becomes volume expansion 9% after ice, the ice that simultaneously the produces about 2500Kg/cm2 stress that rises, this stress value is usually greater than the inner preliminary intensity level forming of concrete, makes concrete be subject to destruction in various degree and reduces intensity.Water becomes after ice simultaneously, also can form the larger ice slush of particle on the surface of aggregate and reinforcing bar, weaken the adhesion stress between cement paste and aggregate and reinforcing bar, thereby affect the compressive strength of concrete, after ice slush melts, can form various spaces again and reduce density and the durability of concrete.
Therefore at this type of, dislike under strong weather and make concrete construction must guarantee that temperature is more than 5 ℃, the chance that the moisture in 5 ℃ of above longer concretes of time becomes solid phase by liquid phase is just fewer, and concrete strength temperature influence is also just less.
, there is long-term severe cold region in similar China's western region.These local construction concrete projects must be affected by the climate, and therefore certainly have the construction operation of concrete under severe cold state.An important link of severe cold region concrete construction is that concrete stirs and the water temperature of casting process is controlled.The impacts such as the airborne temperature decline of this type of region and moisture in air evaporation, wind speed will guarantee that the temperature of the concrete scope of operation not only will allow overcoat have the windproof ability penetrating for this reason, also will allow overcoat will have the function of waterproof simultaneously.
Because concrete construction operation storehouse face volume is larger, thereby to accomplish that the long-time temperature protection of the scope of operation is very difficult.The particularly temperature protection operation of concrete work progress during field work.
Consider certainly existing of the dry severe cold region concrete of low pressure.Need practical protective device in the concrete work progress of the dry severe cold of a kind of new low pressure of innovation region.Due to its existence make operating environment temperature in the concrete construction of the dry severe cold of low pressure region protect more scientific rationally.
Consider the physical presence of the dry severe cold of a large amount of low pressures region concrete, if can invent a kind of at this special region protector of the temperature and humidity of concrete work progress easily.Its market prospects are vast, and in the concrete construction of the dry severe cold of low pressure region, can bring good construction technology and method improvement to the mankind, thereby guarantee the construction quality of the dry severe cold of low pressure region concrete.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art; overcome the impact of environment in the concrete work progress of the dry severe cold of existing low pressure region; particularly concrete build and between curing time to concrete face form protection, around the difficult present situation of this special region site operation concrete; provide a kind of and can reach the dry severe cold of the low pressure region concrete construction temperature control protective device that the dry severe cold of reasonable low pressure region concrete is built and the temperature and humidity of the operation side between curing time is protected, and concrete construction temperature control in the dry severe cold of a kind of low pressure region is protected brooder.
The technical solution of the utility model is as follows:
The dry severe cold of a kind of low pressure region concrete construction temperature control protective device; comprise zone of heating, insulation layer, overcoat, tensile layer; insulation layer is separately positioned on the both sides of zone of heating, and overcoat is separately positioned on the outside of insulation layer, and tensile layer is arranged on the outside of a side overcoat.
As preferably, on the tensile layer of zone of heating one side, overcoat, insulation layer, arrange and be fixedly connected with hole, static line is located in and is fixedly connected with in hole, the internal layer guard section that tensile layer, overcoat, insulation layer are linked into an integrated entity; On the overcoat of zone of heating opposite side, insulation layer, arrange and be fixedly connected with hole, static line is located in and is fixedly connected with in hole, the outer guard section that overcoat, insulation layer are linked into an integrated entity.
As preferably, the edge of the overcoat of zone of heating one side, the coated insulation layer of the edge fold of tensile layer, forms binding structure, is fixedly connected with on overcoat that hole is opened in insulation layer and binding structure inner side, tensile layer; The edge of the coated insulation layer of the edge fold of the overcoat of zone of heating opposite side, forms binding structure, is fixedly connected with on the overcoat that hole is opened in insulation layer and binding structure inner side;
As preferably, internal layer guard section, zone of heating, outer guard section are fixed connection by connection cord.
As preferably, with reinforcing cord, zone of heating is connected with connection cord.
As preferably, described zone of heating is electric blanket, and insulation layer is cotton-wadded quilt, and overcoat is colour bar cloth, and tensile layer is geotextiles.
The dry severe cold of a low pressure region concrete construction temperature control protection brooder, comprises frame, lays the dry severe cold of low pressure region concrete construction temperature control protective device on frame, the dry severe cold of low pressure region concrete construction temperature control protective device be provided with tensile layer one facing to frame.
As preferably, on frame, be provided with power supply, the dry severe cold of low pressure region concrete construction temperature control protective device is powered.
As preferably, also comprise temperature switch, temperature switch is connected with the dry severe cold of low pressure region concrete construction temperature control protective device, for controlling the dry severe cold of low pressure region concrete construction temperature control protective device, carries out work under specified temp.
The beneficial effects of the utility model are as follows:
Arranging of the wet protective device of the dry severe cold of low pressure described in the utility model region concrete construction temperature control can be to guaranteeing to keep the temperature and humidity of operation side to meet construction requirement in concrete construction in the dry severe cold of low pressure region.The wet protective device of the dry severe cold of low pressure region concrete construction temperature control can allow the construction of special region concrete become possibility.In concrete casting process and guard period section, prevent the adverse effect (ice slush in the concrete of generation can produce space after melting, and then reduces compactness and the durability of concrete) that the water freezing in concrete expands and produces.
And because the design feature of the device described in this utility model can be resisted the wind in severe cold targetedly, and then guarantee better the temperature of operation side in concrete work progress is carried out in the dry severe cold of low pressure region.Due to the setting of central thermal chambers, can allow topping not only reduce the energy loss of the concrete scope of operation, but also can provide newly-increased heat energy for operation side on the other hand.On the other hand due to the setting of overcoat, can allow water in work progress cannot be penetrated into the inside of protector.Guarantee the Electrical Safety in work progress, also can reduce heat energy because of the further loss heat energy of aqueous vapor evaporation.
The wet protective device of the dry severe cold of low pressure described in the utility model region concrete construction temperature control practical reliable, draw materials conveniently, make simple, easy to use, respond well.It can change the dry severe cold of present low pressure region concrete construction temperature control wet protection difficulty and the high present situation of cost.Make the concrete construction of the dry severe cold of low pressure region by the wet protection of this device temperature control, reach the temperature of construction requirement; can realize the protection effect of concrete scope of operation temperature and humidity in work progress, scope of operation environment temperature and humidity that the wet protective device of this temperature control is realized in the brooder of the concrete project place of special region can be given assurance.The utility model is given full play to the correlation function of the wet protection of temperature control, thereby reaches the requirement of the construction temperature of the concrete objective of defense.Reasonably applying existing relevant construction technology, by heating installing inner electric blanket, changing the internal temperature of brooder, can allow like this concrete project build and obtaining between curing time scientific and reasonable temperature assurance.Market prospects of the present utility model are larger for this reason, very practical concerning realizing at the wet defencive function of the dry severe cold of low pressure region concrete temperature control, and it overcomes the dry severe cold of low pressure region concrete temperature and control difficult problem, have the novelty of higher construction technology.
Accompanying drawing explanation
Fig. 1 is the sectional view of the dry severe cold of low pressure region concrete construction temperature control protective device;
Fig. 2 is the schematic diagram that wears of static line;
Fig. 3 is the binding structure sectional view of internal layer guard section;
Fig. 4 is the binding structure sectional view of outer guard section;
Fig. 5 is the sectional view of internal layer guard section, zone of heating, the local junction of outer guard section;
Fig. 6 is structure and the design sketch of the dry severe cold of low pressure region concrete construction temperature control protection brooder;
Fig. 7 is the electrical connection diagram of the dry severe cold of low pressure region concrete construction temperature control protection brooder;
In figure: the 1st, electric blanket, the 2nd, cotton-wadded quilt, the 3rd, colour bar cloth, the 4th, geotextiles, the 5th, static line, the 6th, connection cord, the 7th, reinforcing cord, the 8th, frame, the 9th, base surface, the 10th, working space, the 11st, be fixedly connected with hole.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
The dry severe cold of a kind of low pressure region concrete construction temperature control protective device; comprise zone of heating, insulation layer, overcoat, tensile layer; insulation layer is separately positioned on the both sides of zone of heating, and overcoat is separately positioned on the outside of insulation layer, and tensile layer is arranged on the outside of a side overcoat.
On the tensile layer of zone of heating one side, overcoat, insulation layer, arrange and be fixedly connected with hole, static line is located in and is fixedly connected with in hole, the internal layer guard section that tensile layer, overcoat, insulation layer are linked into an integrated entity; On the overcoat of zone of heating opposite side, insulation layer, arrange and be fixedly connected with hole, static line is located in and is fixedly connected with in hole, the outer guard section that overcoat, insulation layer are linked into an integrated entity.
The edge of the coated insulation layer of the overcoat of zone of heating one side, the edge fold of tensile layer, forms binding structure, is fixedly connected with on overcoat that hole is opened in insulation layer and binding structure inner side, tensile layer; The edge of the coated insulation layer of the edge fold of the overcoat of zone of heating opposite side, forms binding structure, is fixedly connected with on the overcoat that hole is opened in insulation layer and binding structure inner side;
Internal layer guard section, zone of heating, outer guard section are fixed connection by connection cord.With reinforcing cord, zone of heating is connected with connection cord.
Preferred mode as a comparison, described zone of heating is electric blanket, and insulation layer is cotton-wadded quilt, and overcoat is colour bar cloth, and tensile layer is geotextiles.
The dry severe cold of low pressure region concrete construction temperature control protective device based on above-mentioned; the utility model also provides the dry severe cold of a kind of low pressure region concrete construction temperature control protection brooder; comprise frame; on frame, lay the dry severe cold of low pressure region concrete construction temperature control protective device, the dry severe cold of low pressure region concrete construction temperature control protective device be provided with tensile layer one facing to frame.
On frame, be provided with power supply, the dry severe cold of low pressure region concrete construction temperature control protective device is powered.
Described brooder also comprises temperature switch, and temperature switch is connected with the dry severe cold of low pressure region concrete construction temperature control protective device, for controlling the dry severe cold of low pressure region concrete construction temperature control protective device, carries out work under specified temp.
Embodiment
The present embodiment is made example with the dry severe cold of the low pressure region concrete construction of 12m3.
The dry severe cold of low pressure region concrete construction temperature control protective device as shown in Figure 1 and Figure 2; comprise zone of heating, insulation layer, overcoat, tensile layer; insulation layer is separately positioned on the both sides of zone of heating, and overcoat is separately positioned on the outside of insulation layer, and tensile layer is arranged on the outside of a side overcoat.
In the present embodiment, tensile layer is geotextiles 4, while protecting the dry severe cold of whole low pressure region concrete construction temperature control protective device to be placed on the frame 8 of brooder, does not destroy, and geotextiles 4 plays the stressed effect of whole protective device tension.Four limits of geotextiles 4 are provided with steel wire, and then promote better the tensile strength of whole protective device, guarantee that whole protective device meets the requirements in the course of the work.
Overcoat is 3 layers of colour bar cloth; the setting of the colour bar cloth 3 by zone of heating both sides; can use the water-proof function of colour bar cloth 3, can also provide tensile strength to whole protective device, the temperature impact of the strong wind that the severe cold that can really stop badness is set of colour bar cloth 3 on brooder inside in addition.
Insulation layer is that heat-preservation cotton is by 2; heat-preservation cotton by zone of heating both sides is by 2 setting; can use heat-preservation cotton by 2 heat insulation function; use heat-preservation cotton and realized the temperature protection of brooder inside under badness by 2, heat-preservation cotton can be allowed heat that zone of heating produced equably to brooder internal delivery by 2 in addition.
Zone of heating is electric blanket 1.Its target is protected concrete to be built and between curing time; when brooder internal temperature is lower than the temperature of construction requirement; directly by electric blanket 1 energising heating, so directly allow after electric blanket 1 heating and make the wet protective device of whole temperature control form effective temperature controlled effect.The present embodiment adopts electrical heating, require to carry out circuit waterproofing protection, accomplish anticreep control (adopt special Yi road power supply for construction, and at switchbox, the earth leakage protective device that susceptibility is higher is set).
When combined and spliced, as shown in Figure 3, in inner side heat-preservation cotton, stay on by 2 and be fixedly connected with hole 11, and with static line 5, geotextiles 4 and colour bar cloth 3 are also worn together, form the wet protective device of fixing construction temperature control inner side protection part.The fixing hole that connects of geotextiles 4 and colour bar cloth 3 requires in inside, to guarantee that the wet protective device of finished product construction temperature control surface is without hole.
As shown in Figure 4, in heat-preservation cotton, stay on by 2 and be fixedly connected with hole 11, and with static line 5, colour bar cloth 3 is also worn together, form the wet protective device of fixing construction temperature control outside protection part.The hole 11 that is fixedly connected with of colour bar cloth 3 requires in inside, to guarantee that the wet protective device of finished product construction temperature control surface is without hole.
As shown in Figure 5, inner side protection part, outside protection part, and electric blanket 1 combines, and embodiment is: in the middle of electric blanket 1 is placed on, inner side protection part, outside protection part are put both sides, by connection cord 6, three parts are stitched together.In the process of splicing, with reinforcing cord 7, electric blanket 1 is connected with connection cord 6, thereby guarantees that low pressure is dried the firm and durable use of severe cold region concrete construction temperature control protective device.
The dry severe cold of low pressure region concrete construction temperature control protection brooder as shown in Figure 6, adopts the mode of setting up brooder in the outside of the concrete scope of operation of intending building to realize, and the frame 8 of brooder adopts building steel tube to set up.Then the wet protective device of the dry severe cold of blocks of low pressure region concrete construction temperature control is connected together, and covers on building iron frame, requiring has the one side of geotextiles 4 to be placed on building iron pipe support.During concrete casting process and concrete curing, carry out the temperature survey of the concrete scope of operation, if temperature is during lower than 5 ℃.To the heating of switch on of the electric blanket 1 of the wet protective device of the dry severe cold of low pressure region concrete construction temperature control, and then the temperature of the concrete scope of operation in assurance brooder meets the requirement of construction operation.
On base surface 9, set up frame 8, and lay power supply on frame 8, between frame 8 and concrete to be onstructed, leave working space 10.
Set temperature switch in brooder, as shown in Figure 7, temperature switch is connected with the dry severe cold of low pressure region concrete construction temperature control protective device, and when in brooder, the temperature of working space 10 is lower than 5 ℃, the electric blanket 1 being connected with power supply starts the operation of switching on.The heat energy that electric blanket 1 sends can be heated to working space in brooder 10, thereby guarantees that the working effect of the wet protective device of the dry severe cold of low pressure region concrete construction temperature control reaches expection.
Above-described embodiment is only for the utility model is described, and not with the restriction of the present utility model of opposing.So long as according to technical spirit of the present utility model, to above-described embodiment change, modification etc. all will drop in the scope of claim of the present utility model.
Claims (9)
1. a low pressure is dried severe cold region concrete construction temperature control protective device; it is characterized in that, comprise zone of heating, insulation layer, overcoat, tensile layer, insulation layer is separately positioned on the both sides of zone of heating; overcoat is separately positioned on the outside of insulation layer, and tensile layer is arranged on the outside of a side overcoat.
2. low pressure according to claim 1 is dried severe cold region concrete construction temperature control protective device, it is characterized in that, on the tensile layer of zone of heating one side, overcoat, insulation layer, arrange and be fixedly connected with hole, static line is located in and is fixedly connected with in hole, the internal layer guard section that tensile layer, overcoat, insulation layer are linked into an integrated entity; On the overcoat of zone of heating opposite side, insulation layer, arrange and be fixedly connected with hole, static line is located in and is fixedly connected with in hole, the outer guard section that overcoat, insulation layer are linked into an integrated entity.
3. low pressure according to claim 2 is dried severe cold region concrete construction temperature control protective device, it is characterized in that, the edge of the overcoat of zone of heating one side, the coated insulation layer of the edge fold of tensile layer, form binding structure, be fixedly connected with on overcoat that hole is opened in insulation layer and binding structure inner side, tensile layer; The edge of the coated insulation layer of the edge fold of the overcoat of zone of heating opposite side, forms binding structure, is fixedly connected with on the overcoat that hole is opened in insulation layer and binding structure inner side.
4. the dry severe cold of low pressure according to claim 3 region concrete construction temperature control protective device, is characterized in that, internal layer guard section, zone of heating, outer guard section are fixed connection by connection cord.
5. the dry severe cold of low pressure according to claim 4 region concrete construction temperature control protective device, is characterized in that, with reinforcing cord, zone of heating is connected with connection cord.
6. the dry severe cold of low pressure according to claim 1 region concrete construction temperature control protective device, is characterized in that, described zone of heating is electric blanket, and insulation layer is cotton-wadded quilt, and overcoat is colour bar cloth, and tensile layer is geotextiles.
7. the dry severe cold of a low pressure region concrete construction temperature control is protected brooder; it is characterized in that; comprise frame; on frame, lay the dry severe cold of low pressure as claimed in claim 1 region concrete construction temperature control protective device, the dry severe cold of low pressure region concrete construction temperature control protective device be provided with tensile layer one facing to frame.
8. the dry severe cold of low pressure according to claim 7 region concrete construction temperature control protection brooder, is characterized in that, is provided with power supply on frame, and the dry severe cold of low pressure region concrete construction temperature control protective device is powered.
9. concrete construction temperature control in the dry severe cold of low pressure according to claim 8 region is protected brooder; it is characterized in that; also comprise temperature switch; temperature switch is connected with the dry severe cold of low pressure region concrete construction temperature control protective device, for controlling the dry severe cold of low pressure region concrete construction temperature control protective device, carries out work under specified temp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320428213.5U CN203452386U (en) | 2013-07-17 | 2013-07-17 | Temperature control and protection device and temperature control and protection warm shed for concrete construction in low-air-pressure dry cold region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320428213.5U CN203452386U (en) | 2013-07-17 | 2013-07-17 | Temperature control and protection device and temperature control and protection warm shed for concrete construction in low-air-pressure dry cold region |
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| CN203452386U true CN203452386U (en) | 2014-02-26 |
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| CN201320428213.5U Expired - Lifetime CN203452386U (en) | 2013-07-17 | 2013-07-17 | Temperature control and protection device and temperature control and protection warm shed for concrete construction in low-air-pressure dry cold region |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121261A (en) * | 2016-08-04 | 2016-11-16 | 中国十七冶集团有限公司 | A kind of curing means of extremely frigid zones concrete |
| CN107338787A (en) * | 2017-09-05 | 2017-11-10 | 中国科学院寒区旱区环境与工程研究所 | A kind of temperature control freezing soil prevention and control system of automatic deploying and retracting formula |
| CN107338785A (en) * | 2017-09-05 | 2017-11-10 | 中国科学院寒区旱区环境与工程研究所 | A kind of freezing soil prevention and control system automatic temperature-controlled based on electrical blanket |
-
2013
- 2013-07-17 CN CN201320428213.5U patent/CN203452386U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121261A (en) * | 2016-08-04 | 2016-11-16 | 中国十七冶集团有限公司 | A kind of curing means of extremely frigid zones concrete |
| CN107338787A (en) * | 2017-09-05 | 2017-11-10 | 中国科学院寒区旱区环境与工程研究所 | A kind of temperature control freezing soil prevention and control system of automatic deploying and retracting formula |
| CN107338785A (en) * | 2017-09-05 | 2017-11-10 | 中国科学院寒区旱区环境与工程研究所 | A kind of freezing soil prevention and control system automatic temperature-controlled based on electrical blanket |
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