CN102642244A - Reinforced concrete structure curing device in low-temperature environment - Google Patents
Reinforced concrete structure curing device in low-temperature environment Download PDFInfo
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- CN102642244A CN102642244A CN2012101011470A CN201210101147A CN102642244A CN 102642244 A CN102642244 A CN 102642244A CN 2012101011470 A CN2012101011470 A CN 2012101011470A CN 201210101147 A CN201210101147 A CN 201210101147A CN 102642244 A CN102642244 A CN 102642244A
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- temperature environment
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
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- 238000010438 heat treatment Methods 0.000 abstract description 9
- 239000004567 concrete Substances 0.000 abstract description 7
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- 238000004904 shortening Methods 0.000 abstract description 2
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- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a reinforced concrete structure curing device in a low-temperature environment. The reinforced concrete structure curing device in the low-temperature environment is characterized by comprising a variable frequency power supply and a wide tape, wherein a pin-type end connector and a slot-type end connector are arranged on the wide tape; one end of the variable frequency power supply is connected with the slot-type end connector of the wide tape through a lead wire with a pin-type plug; and the other end of the variable frequency power supply is connected with the pin-type end connector of the wide tape through a slot-type plug. The device is simple in structure, easy to construct, and high in real-time controllability; the defects of conventional curing measures of a reinforced concrete structure are overcome; required heating depth can be obtained by controlling current frequency, so that the requirement on curing a specific reinforced concrete structure can be met; and therefore, the device has enormous economic, environmental and social benefits. In addition, the hardening of concrete can be accelerated by heating according to engineering requirements, so that the aim of reasonably shortening curing time is fulfilled. Therefore, the device is suitable for curing the reinforced concrete structure, and is particularly applicable for the low-temperature environment.
Description
Technical field
The present invention relates to a kind of reinforced concrete structure curing means, particularly a kind of device that is used for reinforced concrete structure under the maintenance low temperature environment.
Background technology
Reinforced concrete structure is widely used in every field such as industrial and agricultural production and daily life because of having the strong and cost performance advantages of higher of easy construction, plasticity.As everyone knows, the early curing effect of reinforced concrete structure is very big to its various performances and influence in service life thereof, but maintenance effect very easily receives about external environment factor (like temperature, humidity and wind speed etc.).In numerous environmental impact factors, with abominable low temperature the reinforced concrete structure early curing is endangered maximum and is difficult to especially and control effectively in advance; The early curing of reinforced concrete structure under low temperature environment, the greatest problem that faces are that freeze injury and gain in strength are slow---directly cause inside configuration damage, deterioration and construction delay.Still there is certain limitation in traditional classical way (as using antifreezing agent, sealing compound, steam curing and covering and heat insulating layer etc.): then antifreezing effect is not remarkable as adding the antifreezing agent quantity not sufficient; Crossing to influence concrete various performance (like intensity and shrinkage factor etc.) at most, and What is more can be because of the concrete microstructure of adaptability problem deterioration and the performance thereof of itself and cement; Steam curing is applicable to maintenance structure prefabricated component more, and large-scale, the towering or labyrinth of site operation is not easy to implement; Can not forgo the fully harm of low temperature of simple covering and heat insulating layer can not be quickened the hydration rate of cement, so be helpless to shorten the curing period of reinforced concrete work.Along with building of a large amount of capital construction facilities of China, a large amount of reinforced concrete structures still will be constructed under low temperature environment; If adopt traditional safeguard procedures often to face the risk that its latent defect occurs, What is more safeguard procedures can occur and lost efficacy, and causes the performance degradation of engineering or scraps, and is prone to cause great economic waste and construction delay.How to guarantee that reinforced concrete structure performance under the low temperature environment, quality and rational curing period thereof are the difficult problems that the maintenance of engineering low-temperature construction faces.
Summary of the invention
The not enough institute of reinforced concrete structure maintenance measure causes problems such as construction quality deterioration and construction delay under the existing low temperature environment in order to solve, and the invention provides a kind of device that can under low temperature environment, effectively guarantee the reinforced concrete structure maintenance quality and shorten curing period.
In order to realize above-mentioned technical purpose; Technical scheme of the present invention is that the reinforced concrete structure curing means is characterized in that under a kind of low temperature environment; The reinforced concrete structure curing means comprises variable-frequency power sources and wide tape under the low temperature environment; Wide tape is provided with pin type end connector and slot type end connector, and variable-frequency power sources one end adopts the lead of band Pin contact to connect the slot type end connector of wide tape, and the other end adopts the lead of slot type plug to connect the pin type end connector of wide tape.During enforcement with described wide tape helical form on reinforced concrete structure, connect variable-frequency power sources, can be to the reinforced concrete structure maintenance that heats up.Its operation principle is based on electromagnetic inductive heating principle (vortex induction heating principle); When utilizing the work heart yearn to connect variable-frequency power sources; The alternating current of its inner transition can produce the electromagnetic field of alternation around it; The inner reinforcing bar of reinforced concrete structure produces inductive loop because of cutting the alternation magnetic line of force, finally generates a large amount of heat energy; In addition, concrete material also can be responded to (be situated between and decrease and the eddy current heating effect) generation heat because of alternating magnetic field.Along with the prolongation of time, eddy current generates a large amount of heat can make the structural system internal temperature raise, the low temperature effect of effective impedance external environment, the construction quality of reinforced concrete structure under the assurance low temperature environment; Meanwhile, the system temperature rise also can be quickened the aquation rate of gelling mineral in the cement, promotes the gain in strength of reinforced concrete structure.Cooperative effect between the two can guarantee the maintenance quality of reinforced concrete structure under the low temperature environment and rationally shorten curing period according to the project progress needs.Simple structure of the present invention, be easy to construction, in real time controlled good; Overcome the shortcoming of reinforced concrete structure tradition maintenance measure; And can obtain required heat penetration to satisfy particular steel tendon concrete structure maintenance needs through the control power frequency, have huge economy, environment and social benefit.In addition, the present invention also can reach reasonable shortening curing time purpose through the sclerosis of intensification accelerate concrete according to engineering is required, and the present invention is applicable to the maintenance of reinforced concrete structure, is particularly useful for low temperature environment.
The present invention is that also variable-frequency power sources is distribution transformer, intermediate frequency generator or the SCR inverter of the different frequency and the alternating current of power.Its effect is different frequency and strong and weak alternating current to be provided according to engineering demand, is the electric power system of whole device.
The present invention is that also wide tape is become with the insulating cement leather by the work heart yearn, and becomes one with pin type end connector and the assembling of slot type end connector, has formed the core of whole curing means.During enforcement that wide tape helical form is outside around reinforced concrete structure; The pin type end connector links to each other with the lead of trough of belt plug; The slot type end connector links to each other with the lead of band Pin contact; Connect alternating current, the alternating current in the work heart yearn produces alternating electromagnetic field around it, induces the inner reinforcing bar of reinforced concrete structure eddy current to occur; The heat that eddy current in the reinforcing bar the generates structural system internal temperature that can raise, the low temperature effect of the external environment of effectively forgoing guarantees structure of reinforced concrete quality under the low temperature; In addition, can also quicken the aquation rate of cement cementitious property mineral, realize the high temperature maintenance of reinforced concrete structure under the low temperature environment.Described work heart yearn is to be processed by the good conductive material of single bundle or multi beam copper, aluminium class; Has certain pliability; Its termination is welded on pin type end connector and the slot type end connector, produces alternating electromagnetic field around it during indirect current, can induce reinforcing bar generation eddy current heating and reach intensification maintenance purpose; The insulating properties material that described insulation rubber is rubber, silica gel and polyacrylate; Can be according to the required heart yearn of will working of engineering with the integrated certain scantling tape board of single or multiple lift arrangement mode; Have effects such as protection work heart yearn, boundling and insulation, and the heart yearn of will working, pin type end connector and slot type end connector are integrated as a whole; Described pin type end connector and slot type end connector can interconnect, to satisfy the right length requirement of engineering.
Characteristic of the present invention is that also the lead with Pin contact is high conductive copper and aluminium class material, and the one of which end connects hands over frequency power, and the other end links to each other with the slot type end connector, plays contact and long distance power transmission effect.Thisly effectively prolong the contact distance, can interconnect random prolongation contact distance, reach the purpose of long distance power transmission easily through the lead of many different plugs through a kind of easy connected mode, simple to operation.
Characteristic of the present invention is that also trough of belt formula plug wires can be high conductive copper and aluminium material, and the one of which end connects hands over frequency power, and the other end links to each other with the pin type end connector, plays the contact and the long-distance transmissions function of current.Thisly effectively prolong the contact distance, can interconnect random prolongation contact distance, reach the purpose of long distance power transmission easily through the lead of many different plugs through a kind of easy connected mode, simple to operation.
Characteristic of the present invention is that also wide tape comprises work heart yearn, insulation rubber, slot type end connector and pin type end connector.The good insulating of wide like this tape itself, and can make things convenient for lead with the pin type end connector and be connected through the slot type end connector is set, easy to connect, simple to operate.
Characteristic of the present invention is that also the work heart yearn is good conductive filament, line and the fiber of copper, aluminium class, and its termination is welded on pin type end connector and the slot type end connector.Thisly effectively prolong the contact distance, can interconnect random prolongation contact distance, reach the purpose of long distance power transmission easily through the lead of many different plugs through a kind of easy connected mode, simple to operation.
Characteristic of the present invention is that also good conductive filament, line and fiber are that list is restrainted or multi beam is stranded and form.
The characteristic of the present invention rubber that also is to insulate is the insulating properties material of rubber-like, silica type or resinae, and the work heart yearn plays protection work heart yearn, boundling and insulation with the integrated certain scantling tape board of single or multiple lift mode.
Characteristic of the present invention is that also through will work heart yearn, pin type end connector and slot type end connector collection of insulation rubber be one.Whole like this connection is wrapped in insulating cement intracutaneous, globality, stability, good insulating.
Characteristic of the present invention is that also pin type end connector and slot type end connector can interconnect, in order to satisfy length requirement.
Characteristic of the present invention is that also pin type end connector and slot type end connector are that body is processed by phenoplasts, polyurethane plastics, epoxy plastics, unsaturated polyester plastic, organic siliconresin and allyl resin and modified resin thereof.
Characteristic of the present invention also is to link to each other with the slot type end connector with the lead of Pin contact.Thisly effectively prolong the contact distance, can interconnect random prolongation contact distance, reach the purpose of long distance power transmission easily through the lead of many different plugs through a kind of easy connected mode, simple to operation.
Characteristic of the present invention is that also the lead of trough of belt formula plug is connected with the pin type end connector.Thisly effectively prolong the contact distance, can interconnect random prolongation contact distance, reach the purpose of long distance power transmission easily through the lead of many different plugs through a kind of easy connected mode, simple to operation.
The invention has the beneficial effects as follows:
1, adopts the present invention can effectively forgo low temperature environment, promote the concrete quick-hardening, guarantee the maintenance quality of reinforced concrete structure, remedied the deficiency of traditional maintenance measure the influence of structure of reinforced concrete.
2, simple structure of the present invention, easy and simple to handle; Have good controllability, universality and real-time etc.; Can be through the frequency and the strong and weak different maintenance needs that satisfy reinforced concrete work of regulating alternating current; And can quicken gelling mineral aquation rate through suitable adjustment current parameters according to engineering is required, realize reasonably compressing curing period.
3, the present invention is based on electromagnetic inductive heating principle, have thermal conversion efficiency height, energy-conserving and environment-protective, safe and reliable and cost performance advantages of higher.
4, the Kelvin effect of the present invention's reinforcing bar eddy current also capable of using adopts the alternating current of different frequency can obtain different heat penetrations, to satisfy the needs of specific reinforced concrete work maintenance.
Description of drawings
Fig. 1 is a planar structure sketch map of the present invention;
Fig. 2 is a wide tape profile of the present invention;
Fig. 3 is installed to the structure chart of reinforced column, beam for reinforced concrete structure curing means under the low temperature environment of the present invention;
Wherein 1 is variable-frequency power sources, and 2 is wide tape, 3 leads for the band Pin contact, and 4 is the lead of trough of belt formula plug, and 5 is the pin type end connector, and 6 is the slot type end connector, and 7 is fastening bolt, and 8 are the work heart yearn, and 9 are insulation rubber, and 10 is reinforced column, beam.
The specific embodiment
Following embodiment is to the further specifying of technology contents of the present invention, but is not the restriction to flesh and blood of the present invention.
The reinforced concrete structure curing means comprises variable-frequency power sources 1, the lead 3 of band Pin contact, lead 4, pin type end connector 5, wide tape 2, slot type end connector 6 and the fastening bolt 7 of trough of belt formula plug under a kind of low temperature environment; Wide tape 2 is provided with pin type end connector 5 and slot type end connector 6; Variable-frequency power sources 1 one ends adopt the lead 3 of band Pin contact to connect the slot type end connector 6 of wide tape 2, and the other end adopts the lead 4 of slot type plug to connect the pin type end connector 5 of wide tape 2.Fig. 1 is a planar structure sketch map of the present invention; As shown in Figure 1; Variable-frequency power sources 1 through the band Pin contact lead 3 or/and the lead 4 of trough of belt formula plug respectively with the pin type end connector 5 of wide tape 2 or/and slot type end connector 6 be connected; The band Pin contact of the lead 3 of band Pin contact is connected with the slot type end connector 6 of wide tape 2, the trough of belt formula plug of the lead 4 of trough of belt formula plug is connected with the pin type end connector 5 of wide tape 2; Be provided with five work heart yearns 8 that laterally arrange in the wide tape, work heart yearn 8 is wrapped in the insulation rubber 9, and the two ends of work heart yearn 8 are separately fixed on pin type end connector 5 or the slot type end connector 6; Pin type end connector 5 or slot type end connector 6 are fixed through fastening bolt 7, the rubber 9 that perhaps insulate with the pin type end connector 5 of wide tape 2 or/and in slot type end connector 6 also is wrapped in.Fig. 2 is wide tape profile of the present invention, and is as shown in Figure 2, and work heart yearn 8 undulates are intervally arranged in insulation rubber 9; Crest is provided with two work heart yearns 8; Trough is provided with three work heart yearns 8, and insulation rubber 9 forms layer protective layer around the cross section of work heart yearn 8, heart yearn 2 being arranged in the insulation rubber 9 with single or multiple lift form interval of perhaps working; Wherein multilayer is arranged and can be arranged for multi-layer intercrossed, also can arrange for multilayer build-up.Fig. 3 is installed to the structure chart of reinforced column, beam for reinforced concrete structure curing means under the low temperature environment of the present invention; As shown in Figure 3; Wide tape 2 helical forms are surrounded on reinforced column, the beam 10, during enforcement wide tape 2 can be closely around also can keep at a certain distance away helical form around.
Characteristic of the present invention is that also described variable-frequency power sources 1 is distribution transformer, intermediate frequency generator or the SCR inverter of different frequency with the alternating current of power.
Characteristic of the present invention is that also described wide tape 2 comprises work heart yearn 8, insulation rubber 9, slot type end connector 6 and pin type end connector 5.
Characteristic of the present invention also is good conductive filament, line and the fiber of described work heart yearn 8 for copper, aluminium class, and its termination is welded on pin type end connector 5 and the slot type end connector 6.
Characteristic of the present invention is that also described insulation rubber 9 is the insulating properties material of rubber-like, silica type or resinae; Work heart yearn 8 is with the integrated certain scantling tape board of single or multiple lift mode; Play protection work heart yearn, boundling and insulation, perhaps be the parts of one through will work heart yearn 8, pin type end connector 5 and slot type end connector collection 6 of insulation rubber 9.
Characteristic of the present invention is that also described pin type end connector 5 can interconnect with slot type end connector 6, in order to satisfy length requirement.
Characteristic of the present invention is that also described pin type end connector 5 is that body is processed with slot type end connector 6 by phenoplasts, polyurethane plastics, epoxy plastics, unsaturated polyester plastic, organic siliconresin and allyl resin and modified resin thereof.
Characteristic of the present invention is that also the lead 3 of described band Pin contact links to each other with slot type end connector 6, and the lead 4 of described trough of belt formula plug is connected with pin type end connector 5.The present invention is applicable to reinforced concrete structure maintenance under the low temperature environment, and the low temperature environment of can effectively forgoing is to damage, the deterioration of reinforced concrete structure and suitably shorten curing cycle.Operation principle of the present invention is based on electromagnetic inductive heating principle (vortex induction heating principle); During construction with described wide tape 2 helical forms on reinforced column, beam 10; Pin type end connector 5 links to each other with the lead 4 of trough of belt plug and the lead 3 of band Pin contact respectively with slot type end connector 6; When connecting variable-frequency power sources 1, the alternating current of work heart yearn 8 inner transitions can produce the electromagnetic field of alternation around it, and reinforced column, beam 10 inner reinforcing bars produce inductive loop because of the cutting alternation magnetic line of force; Generate a large amount of heat energy inside configuration temperature that can raise; So but the low temperature effect of effective impedance external environment promotes the aquation of cement cementitious property mineral, thereby the high temperature maintenance that realizes reinforced concrete structure under the low temperature environment is shortened curing cycle with suitable; When cutting off friendship frequency power 1, can stop maintenance.
Claims (10)
1. reinforced concrete structure curing means under the low temperature environment; It is characterized in that; The reinforced concrete structure curing means comprises variable-frequency power sources and wide tape under the low temperature environment; Wide tape is provided with pin type end connector and slot type end connector, and variable-frequency power sources one end adopts the lead of band Pin contact to connect the slot type end connector of wide tape, and the other end adopts the lead of slot type plug to connect the pin type end connector of wide tape.
2. reinforced concrete structure curing means under a kind of low temperature environment according to claim 1 is characterized in that, described variable-frequency power sources is distribution transformer, intermediate frequency generator or the SCR inverter of the different frequency and the alternating current of power.
3. reinforced concrete structure curing means under a kind of low temperature environment according to claim 1 is characterized in that, described wide tape comprises work heart yearn, insulation rubber, slot type end connector and pin type end connector.
4. reinforced concrete structure curing means under a kind of low temperature environment according to claim 3 is characterized in that, described work heart yearn is good conductive filament, line and the fiber of copper, aluminium class, and its termination is welded on pin type end connector and the slot type end connector.
5. reinforced concrete structure curing means under a kind of low temperature environment according to claim 4 is characterized in that, described good conductive filament, line and fiber are restrainted for list or multi beam is stranded forms.
6. reinforced concrete structure curing means under a kind of low temperature environment according to claim 3; It is characterized in that; The insulating properties material that described insulation rubber is rubber-like, silica type or resinae; The work heart yearn plays protection work heart yearn, boundling and insulation with the integrated certain scantling tape board of single or multiple lift mode.
7. reinforced concrete structure curing means under a kind of low temperature environment according to claim 6 is characterized in that through will work heart yearn, pin type end connector and slot type end connector collection of insulation rubber be one.
8. reinforced concrete structure curing means under a kind of low temperature environment according to claim 1 is characterized in that, described pin type end connector and slot type end connector interconnect, in order to satisfy length requirement.
9. reinforced concrete structure curing means under a kind of low temperature environment according to claim 8; It is characterized in that described pin type end connector and slot type end connector are that body is processed by phenoplasts, polyurethane plastics, epoxy plastics, unsaturated polyester plastic, organic siliconresin and allyl resin and modified resin thereof.
10. reinforced concrete structure curing means under a kind of low temperature environment according to claim 1 is characterized in that, the lead of described band Pin contact links to each other with the slot type end connector; Perhaps the lead of trough of belt formula plug is connected with the pin type end connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210101147.0A CN102642244B (en) | 2012-04-10 | 2012-04-10 | Reinforced concrete structure curing device in low-temperature environment |
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| CN201210101147.0A CN102642244B (en) | 2012-04-10 | 2012-04-10 | Reinforced concrete structure curing device in low-temperature environment |
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| CN102642244A true CN102642244A (en) | 2012-08-22 |
| CN102642244B CN102642244B (en) | 2015-07-08 |
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Cited By (8)
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| CN102935658A (en) * | 2012-11-08 | 2013-02-20 | 沈阳建筑大学 | Method and device for concrete electrical heating maintenance |
| CN103255766A (en) * | 2013-06-03 | 2013-08-21 | 徐萍 | Heating device heating cemented soil in temperature-control mode and using method thereof |
| CN103264441A (en) * | 2013-06-06 | 2013-08-28 | 江苏特友诺新材料科技有限公司 | Maintenance device for external wall heat insulation plate production |
| CN104790533A (en) * | 2015-04-27 | 2015-07-22 | 沈阳建筑大学 | Fabricated structure preformed hole slurry anchoring lap construction method under low-temperature environment |
| CN108437176A (en) * | 2018-01-30 | 2018-08-24 | 广州三川控制系统工程设备有限公司 | A kind of high-frequency current heating curing method for reinforced concrete member production |
| CN109133770A (en) * | 2018-07-25 | 2019-01-04 | 广州大学 | A kind of conducting concrete and its application |
| CN109624064A (en) * | 2018-10-27 | 2019-04-16 | 上海正承防护设备有限公司 | A kind of concrete closed guard gate quick molding method and device |
| CN114023525A (en) * | 2021-11-12 | 2022-02-08 | 中国铁建港航局集团有限公司 | Alternating magnetic field effect-based concrete curing device and curing method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102935658A (en) * | 2012-11-08 | 2013-02-20 | 沈阳建筑大学 | Method and device for concrete electrical heating maintenance |
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| CN103255766B (en) * | 2013-06-03 | 2016-06-22 | 徐萍 | The heater of a kind of temperature control heating soil cement and using method thereof |
| CN103264441A (en) * | 2013-06-06 | 2013-08-28 | 江苏特友诺新材料科技有限公司 | Maintenance device for external wall heat insulation plate production |
| CN103264441B (en) * | 2013-06-06 | 2015-07-01 | 江苏特友诺新材料科技有限公司 | Maintenance device for external wall heat insulation plate production |
| CN104790533A (en) * | 2015-04-27 | 2015-07-22 | 沈阳建筑大学 | Fabricated structure preformed hole slurry anchoring lap construction method under low-temperature environment |
| CN108437176A (en) * | 2018-01-30 | 2018-08-24 | 广州三川控制系统工程设备有限公司 | A kind of high-frequency current heating curing method for reinforced concrete member production |
| CN109133770A (en) * | 2018-07-25 | 2019-01-04 | 广州大学 | A kind of conducting concrete and its application |
| CN109624064A (en) * | 2018-10-27 | 2019-04-16 | 上海正承防护设备有限公司 | A kind of concrete closed guard gate quick molding method and device |
| CN114023525A (en) * | 2021-11-12 | 2022-02-08 | 中国铁建港航局集团有限公司 | Alternating magnetic field effect-based concrete curing device and curing method |
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