CN204546742U - A kind of multi-functional curing box of mass concrete - Google Patents
A kind of multi-functional curing box of mass concrete Download PDFInfo
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- CN204546742U CN204546742U CN201520138055.9U CN201520138055U CN204546742U CN 204546742 U CN204546742 U CN 204546742U CN 201520138055 U CN201520138055 U CN 201520138055U CN 204546742 U CN204546742 U CN 204546742U
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Abstract
The utility model provides a kind of multi-functional curing box of mass concrete, comprise band door casing, four cavitys be made up of the horizontal thermal insulation separation water layer and vertical thermal insulation separation water layer that are mutually vertically mounted on band door box house and the cooling and heating device being arranged on band door bottom half, in first cavity, standard curing box is set, the curing box of maximum temperature 30 ° is set in the second cavity, the curing box of maximum temperature 60 ° is set in the 3rd cavity, in 4th cavity, the curing box that maximum temperature is 80 ° is set, described cooling and heating device comprises the refrigerating plant being arranged on band door bottom half, catch box and heater.Mass concrete test specimen at the utility model energy mating research coupling temperature, do not limit sample dimensions, there is economy, safety, environmental protection and energy-conservation feature, relatively complete data can be provided, for how research controls mass concrete in early days because the heat of hydration produces thermal stress cracks and mechanical performance of concrete development provides experimental data and condition.
Description
Technical field
The utility model relates to a kind of concrete curing box, particularly relates to a kind of multi-functional curing box of mass concrete.
Background technology
In recent years along with large-scale infrastructure and hydraulic engineering construction are as Three Gorges Projects and skyscraper, and construction scale of projects more and more maximizes, and the concrete utilization of large volume has been indispensable.Corresponding therewith, in general industry and civil buildings, large volume concrete structural occurs in a large number.The commerical ready-mixed concrete generally used in current construction and the cracking phenomena of Cracking of High Flowing Concrete always commonplace, in addition present produced cement improves greatly due to fineness ambassador exotherm rate, this makes comparatively to pass by greatly to exacerbate this phenomenon, the thermal cracking problem of mass concrete becomes increasingly conspicuous, and has become the problem of generality.
In addition due to some shortcomings of mass concrete itself, result in shortening of the life-span of some engineerings, or even the caving in of dam, bridge and high-rise.The common problem run into during mass concrete construction is thermal cracking.Because concrete volume is large, the heat of hydration of gathering is large, and concrete heat radiation is slow, dispel the heat inside and outside concrete uneven and be subject to inside and outside restraint condition time, concrete itself can produce larger temperature stress, causes crack to produce, for structure has buried major quality hidden danger.Therefore, the monitoring temperature in mass concrete construction is the key that control critical eigenvalue produces.
Current primary evaluation approach is still standard curing or the cured under same condition in laboratory, and the concrete mechanical property obtained and the result of actual xoncrete structure differ greatly.Lv Jianfu, Ba Hengjing take the lead in proposing mating research at home, obtain the mechanical performance of concrete rule of development being in mass concrete diverse location and differ greatly.Therefore, the concrete evaluation means that current engineering uses and method, cannot evaluate the mechanical property of mass concrete accurately, all sidedly.Massive concrete temperature cracks problem is very complicated, relates to the many factors such as structure, construction material, construction, ground, environment.The general block of architectural engineering mass concrete is thinner, small volume; Concrete design strength is high, and folk prescription concrete cement large usage quantity, the heat of hydration of cement is more, and heat release is more concentrated.Problem in a lot of engineering practice can only rely on experience process, lacks suitable theoretical foundation.
Summary of the invention
The purpose of this utility model is mating research in order to carry out many temperature and many humidity curing concrete simultaneously, the concrete mechanical property of convenient research and provide a kind of multi-functional curing box of mass concrete.
The purpose of this utility model is achieved in that and comprises band door casing, four cavitys be made up of the horizontal thermal insulation separation water layer and vertical thermal insulation separation water layer that are mutually vertically mounted on band door box house and the cooling and heating device being arranged on band door bottom half, in first cavity, standard curing box is set, the curing box of maximum temperature 30 ° is set in the second cavity, the curing box of maximum temperature 60 ° is set in the 3rd cavity, in 4th cavity, the curing box that maximum temperature is 80 ° is set, standard curing box, the curing box that maximum temperature is 30 °, the curing box that maximum temperature is 60 ° and maximum temperature are that the curing box of 80 ° is respectively arranged with inlet opening, osculum and temperature sensor and for installing concrete slot, and standard curing box is also provided with cold water hole, humidifier and temperature sensor, described cooling and heating device comprises the refrigerating plant being arranged on band door bottom half, catch box and heater, the output of described refrigerating plant is connected with the first water pump and the first magnetic valve successively by pipeline, the output of described catch box is connected with the second water pump and the second magnetic valve successively by pipeline, the output of described heater is connected with the 3rd water pump and the 3rd magnetic valve successively by pipeline, standard curing box, the curing box that maximum temperature is 30 °, the curing box that maximum temperature is 60 ° and maximum temperature are that the inlet opening of the curing box of 80 ° is connected with the 3rd magnetic valve of heater respectively by pipeline, corresponding osculum is connected with the second magnetic valve of catch box respectively by pipeline, the cold water hole of standard curing box is connected with the first magnetic valve of refrigerating plant by pipeline.
The utility model also comprises some architectural features like this:
1. the curing box of standard curing box, the curing box of maximum temperature 30 °, maximum temperature 60 ° described in and maximum temperature are the position of position higher than the osculum of correspondence of the inlet opening of the curing box of 80 °.
2. vertically the material of thermal insulation separation water layer and horizontal thermal insulation separation water layer is polyurethane, and the thickness of vertical thermal insulation separation water layer and horizontal thermal insulation separation water layer is 50-60 centimetre.
Compared with prior art, the beneficial effects of the utility model are: the utility model proposes multi-functional concrete curing box structure can not only the various advantage of inheriting tradition common standard curing box comprehensively, also possess other considerable advantages: the special circumstances for mass concrete have carried out the maintenance of mating temperature, provide condition to the mechanical property Quality Research of mass concrete; The employing material of curing box is more economical, reasonable, safety and environmental protection; The layout of curing box is more reasonable, for the test specimen of maintenance different size provides condition.Also namely the utility model provides a kind of multi-functional curing box that simultaneously can carry out many temperature and many humidity curing concrete, carries out the Temperature Matching maintenance of concrete sample, carries out mechanical property Quality Research to it; Analyze the mechanical characteristic of concrete under different experiments stage different temperatures, take measures targetedly, reduce the generation of thermal cracking, data are provided for evaluating mass concrete cracking, shorten the durability of mass concrete construction duration and raising mass concrete, strengthen the durability degree of mass concrete, the construction of mass concrete is had to the meaning of certain Practical Project.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of standard curing box of the present utility model;
Fig. 3 is the structural representation of heating and cooling device of the present utility model.
Wherein: standard curing box 1, the curing box 2 of the highest curing temperature 30 DEG C, the curing box 3 of the highest curing temperature 60 DEG C, the curing box 4 of the highest curing temperature 80 DEG C, inlet opening 5, apopore 6, cold water hole 7, cooling and heating device 8, vertical thermal insulation separation water layer 9-1, horizontal thermal insulation separation water layer 9-2, temperature sensor 10, humidity sensor 11, slot 12, humidifier 13, refrigerating plant 14, catch box 15, heater 16, water pump 17-1 and 17-3, magnetic valve 18-1,18-2 and 18-3, band door casing 19.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Composition graphs 1 to Fig. 3, the utility model comprises band door casing 19, four cavitys be made up of the horizontal thermal insulation separation water layer 9-2 and vertical thermal insulation separation water layer 9-1 that are mutually vertically mounted on band door casing 19 inside and the cooling and heating device 8 be arranged on bottom band door casing 19, arrange standard curing box 1 in first cavity, standard curing box 1 as shown in Figure 2, the curing box 2 of maximum temperature 30 ° is set in the second cavity, the curing box 3 of maximum temperature 60 ° is set in the 3rd cavity, the curing box 4 that maximum temperature is 80 ° is set in the 4th cavity, the curing box 3 of standard curing box 1, the curing box 2 of maximum temperature 30 °, maximum temperature 60 ° and maximum temperature are that the curing box 4 of 80 ° is respectively arranged with inlet opening 5, osculum 6 and temperature sensor 10 and for installing concrete slot 12, the slot 12 arranged can so that maintenance, and curing box put into by the test specimen that can make different size according to demand, and standard curing box 1 is also provided with cold water hole 7, humidifier 13 and temperature sensor 11, described cooling and heating device 8 comprises the refrigerating plant 14 being arranged on band door bottom half, catch box 15 and heater 16, the thickness of described heating and cooling device 14 is 200 ~ 250mm, the output of described refrigerating plant 16 is connected with the first water pump 17-1 and the first magnetic valve 18-1 successively by pipeline, the output of described catch box is connected with the second magnetic valve 18-2 by pipeline, the output of described heater 16 is connected with the 3rd water pump 17-3 and the 3rd magnetic valve 18-3 successively by pipeline, standard curing box 1, the curing box 2 that maximum temperature is 30 °, the curing box 3 that maximum temperature is 60 ° and maximum temperature are that the inlet opening 5 of the curing box 4 of 80 ° is connected 18-3 respectively by pipeline with the 3rd magnetic valve of heater, corresponding osculum 6 is connected with the second magnetic valve 18-2 of catch box 15 respectively by pipeline, the cold water hole 7 of standard curing box 1 is connected with the first magnetic valve 18-1 of refrigerating plant by pipeline.Described standard curing box 1, the curing box 2 that maximum temperature is 30 °, the curing box 3 that maximum temperature is 60 ° and maximum temperature are the position of position higher than the osculum 6 of correspondence of the inlet opening 5 of the curing box 4 of 80 °, and the conveniently control of temperature, the bore adjustment of the pipeline of inlet opening connection is greater than the bore 3 ~ 5mm of the pipeline that apopore connects, and inlet opening is installed higher than apopore 1 ~ 2cm, the inflow of convenient control water and outflow, the utility model is by being arranged on temperature sensor in curing box 10 and being arranged on the action of the magnetic valve in cooling and heating device 8, the temperature of curing box can be controlled timely and effectively.The material of vertical thermal insulation separation water layer 9-1 and horizontal thermal insulation separation water layer 9-2 is polyurethane, and the thickness of vertical thermal insulation separation water layer 9-1 and horizontal thermal insulation separation water layer 9-2 is 50-60 centimetre.Four described curing boxes, its structural material all adopts stainless steel, and economy, safety coefficient are high; Two thermal insulation separation water layers adopt polyurethane, and thermal and insulating performance is good
The utility model relates to the mass concrete heat of hydration and Thermal Stress Field and heat of hydration studying technological domain, especially be applied to mass concrete and have the different humiture rules of development at diverse location place, what the concrete under different humitures after maintenance showed has different mechanical properties and the cubic deformation rule of development.For mass concrete diverse location, there is different humitures, propose to adopt the humiture of mass concrete curing box simulation diverse location to evaluate Mechanical Properties of Massive Concrete and cubic deformation, propose mass concrete simple and reliable ground construction method for other mechanical properties, control concrete cracking.Also namely the utility model is because there is hydration reaction for mass concrete in construction process, a large amount of release heat causes concrete to occur crack, the calculating that the technical problem solved there is provided concrete temperature and temperature stress provides data, reduces the difficulty in mass concrete practice of construction process.
Principal character of the present utility model is as follows: the utility model provides the curing box and heating and cooling device that comprise coupling temperature, the curing box of described coupling temperature is the curing box carrying out maintenance at four at different temperatures, and described heating and cooling principle of device is respectively resistive heater and partly cause cold principle, cooling and heating device, by heating and chilled water, flows into by pipeline (comprising hot-water line and cold water pipe) regulation and control that each curing box carries out temperature.Described cooling and heating device port is respectively connected to a small-power water pump and several magnetic valves.Described pipeline comprises hot-water line and cold water pipe, is respectively the common water pipe of bore 15-20mm and 10-15mm.The utility model is connected each curing box and cooling and heating device 8 by the temperature sensor 10 be arranged on maintenance tank wall with corresponding magnetic valve.Have a standard conditions curing box 1 in described mating research case, wherein humidifier 13 and humidity sensor 11 be housed more, wherein the effect of humidity sensor 11 and the effect of said temperature sensor 5 similar.Described temperature sensor 5 and the precision of humidity sensor 11 do not need too high, ensure that in curing box, temperature and humidity ensures requiring at temperature substantially.The first described magnetic valve 18-1, the second magnetic valve 18-2 and the 3rd magnetic valve 18-3 are all two-way electromagnetic valve, have the durability of better economy.Described heating and cooling port is shunted after respectively connecing a water pump, and the pipeline of shunting is provided with described magnetic valve, is convenient to control flow.Concrete curing box two wall at described single coupling temperature is equipped with slot 12, and its interval is 150mm, conveniently lays the concrete sample of different size.
In order to embody concrete performance at different temperatures, the utility model set 4 kinds coupling temperature curing box, during maintenance according to needed for, put into test specimen in curing box at different temperatures.Only need open chamber door puts into corresponding curing box test specimen to the utility model in use, and ensures that heating and cooling device switches on power, and passes into the water of q.s, makes corresponding curing box reach curing condition, simple to operate.
Claims (3)
1. the multi-functional curing box of a mass concrete, it is characterized in that: comprise band door casing, four cavitys be made up of the horizontal thermal insulation separation water layer and vertical thermal insulation separation water layer that are mutually vertically mounted on band door box house and the cooling and heating device being arranged on band door bottom half, in first cavity, standard curing box is set, the curing box of maximum temperature 30 ° is set in the second cavity, the curing box of maximum temperature 60 ° is set in the 3rd cavity, in 4th cavity, the curing box that maximum temperature is 80 ° is set, standard curing box, the curing box that maximum temperature is 30 °, the curing box that maximum temperature is 60 ° and maximum temperature are that the curing box of 80 ° is respectively arranged with inlet opening, osculum and temperature sensor and for installing concrete slot, and standard curing box is also provided with cold water hole, humidifier and temperature sensor, described cooling and heating device comprises the refrigerating plant being arranged on band door bottom half, catch box and heater, the output of described refrigerating plant is connected with the first water pump and the first magnetic valve successively by pipeline, the output of described catch box is connected with the second water pump and the second magnetic valve successively by pipeline, the output of described heater is connected with the 3rd water pump and the 3rd magnetic valve successively by pipeline, standard curing box, the curing box that maximum temperature is 30 °, the curing box that maximum temperature is 60 ° and maximum temperature are that the inlet opening of the curing box of 80 ° is connected with the 3rd magnetic valve of heater respectively by pipeline, corresponding osculum is connected with the second magnetic valve of catch box respectively by pipeline, the cold water hole of standard curing box is connected with the first magnetic valve of refrigerating plant by pipeline.
2. the multi-functional curing box of a kind of mass concrete according to claim 1, is characterized in that: the curing box of described standard curing box, the curing box of maximum temperature 30 °, maximum temperature 60 ° and maximum temperature are the position of position higher than the osculum of correspondence of the inlet opening of the curing box of 80 °.
3. the multi-functional curing box of a kind of mass concrete according to claim 1 and 2, it is characterized in that: vertically the material of thermal insulation separation water layer and horizontal thermal insulation separation water layer is polyurethane, and the thickness of vertical thermal insulation separation water layer and horizontal thermal insulation separation water layer is 50-60 centimetre.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520138055.9U CN204546742U (en) | 2015-03-11 | 2015-03-11 | A kind of multi-functional curing box of mass concrete |
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| CN201520138055.9U CN204546742U (en) | 2015-03-11 | 2015-03-11 | A kind of multi-functional curing box of mass concrete |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690815A (en) * | 2015-03-11 | 2015-06-10 | 哈尔滨工程大学 | Multifunctional curing box for mass concrete |
| CN111499292A (en) * | 2019-12-02 | 2020-08-07 | 哈尔滨工程大学 | Oyster attachment base of fiber reinforced cement concrete and preparation method thereof |
-
2015
- 2015-03-11 CN CN201520138055.9U patent/CN204546742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690815A (en) * | 2015-03-11 | 2015-06-10 | 哈尔滨工程大学 | Multifunctional curing box for mass concrete |
| CN111499292A (en) * | 2019-12-02 | 2020-08-07 | 哈尔滨工程大学 | Oyster attachment base of fiber reinforced cement concrete and preparation method thereof |
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