CN107357332B - A kind of concrete maximum temperature control method - Google Patents
A kind of concrete maximum temperature control method Download PDFInfo
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- CN107357332B CN107357332B CN201710632893.5A CN201710632893A CN107357332B CN 107357332 B CN107357332 B CN 107357332B CN 201710632893 A CN201710632893 A CN 201710632893A CN 107357332 B CN107357332 B CN 107357332B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The present invention provides a kind of concrete maximum temperature control methods, are related to concreting field.A kind of concrete maximum temperature control method, comprising: determine the first maximum temperature value of the concrete, wherein when first maximum temperature value is concreting, of that month the first maximum temperature of concrete；Determine the second maximum temperature value of the concrete, wherein when second maximum temperature value is concreting, the second maximum temperature of of that month concrete；The maximum temperature value of the concrete is determined according to first maximum temperature value and second maximum temperature value.Concrete maximum temperature control method and device provided by the invention can work month according to the working environment of concrete, maximum temperature value of this month concrete in casting process be determined, to improve precision of the concrete in casting process.
Description
Technical field
The present invention relates to concrete construction fields, in particular to a kind of concrete maximum temperature control method.
Background technique
Mass concrete is widely used in the infrastructure constructions such as hydraulic and hydroelectric engineering, nuclear power engineering, especially with mixed
Solidifying earth dam is most widely used.The problem of crack of mass concrete is long-standing problem people, although from the 1930s
Start, the theoretical system of a whole set of temperature controlled anticracking has been developed, and developed series of concrete crack control measures, including improves mixed
Solidifying soil cracking resistance, jointing and blocking, water pipe cooling, aggregate pre-cooling, surface heat preservation etc., but actual conditions both domestic and external are still
It is so " not splitting on no dam ".
The inside concrete average maximum that Massive Concrete Blocks are measured in construction period.For Concrete Temperature Control standard
One of Con trolling index.
In existing Winkler's foundation, the operating mode of China's concrete dam temperature controlled anticracking design and construction is: 1. in feasibility study
Stage, by material ratio select it is preferred go out the relatively good concrete of cracking resistance, according to current specifications (Important Project generally also into
Trip temperature stress simulation analysis), primarily determine Winkler's foundation and temperature control measures, and authorities is submitted to examine；2. being set in bid
The meter stage determines temperature according to current specifications (Important Project generally also carries out temperature stress emulated analysis) and new design condition
The design of bid scheme of control standard and temperature control measures, the foundation submitted a tender as layer construction quotient；3. in the detail of construction stage, foundation
Current specifications (simulation analysis that Important Project generally also carries out temperature stress) and new design condition, design propose special mixed
Solidifying soil construction temperature control technology requirement, contractor constructs according to design requirement, and when something goes wrong, design proposes that design becomes
More.
In existing concrete construction, designing unit provides maximum temperature control standard, unit in charge of construction according to engineering characteristic
It carries out and implements, of that month temperature when can not be according to concreting pours position etc. and carries out real-time monitoring, so as to cause coagulation
Native temperature control measures cannot have accurate specific aim.Precision when so as to cause concreting is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of concrete maximum temperature control method, when purport improves concreting
Precision.
The purpose of the present invention is to provide a kind of concrete maximum temperature control device, purport improve by different parts,
It provides different maximum temperature control standards different months, improves precision when concreting.
The present invention provides a kind of technical solution:
A kind of concrete maximum temperature control method, comprising:
Determine the first maximum temperature value of the concrete, wherein when first maximum temperature value is concreting,
Of that month the first maximum temperature of concrete；
Determine the second maximum temperature value of the concrete, wherein when second maximum temperature value is concreting,
Second maximum temperature of of that month concrete；
The maximum temperature value of the concrete is determined according to first maximum temperature value and second maximum temperature value.
Further, in preferred embodiments of the present invention, the step of first maximum temperature value of determination, includes:
Determine the first temperature value, wherein when first temperature is concreting, the first temperature of of that month concrete
Degree；
Determine second temperature value, wherein when the second temperature is concreting, the second temperature of of that month concrete
Degree；
First maximum temperature value is determined according to first temperature value and the second temperature value.
Further, in preferred embodiments of the present invention, the step of first temperature value of determination, comprises determining that described
The basic temperature difference of concrete determines first temperature value according to the basic temperature difference.
Further, described to determine first temperature according to the basic temperature difference in preferred embodiments of the present invention
The step of angle value includes being calculated by the following formula to obtain first temperature value:
T1=Δ Tjc+TWD
Wherein, T1For the first temperature value, Δ TjcFor basic temperature difference, TWDFor equilibrium temperature.
Further, in preferred embodiments of the present invention, the step of determining second temperature value, comprises determining that described
The upper and lower level temperature difference of concrete determines the second temperature value according to the upper and lower level temperature difference.
Further, described to determine described second according to the upper and lower level temperature difference in preferred embodiments of the present invention
The step of temperature value includes:
T2=Δ TSX+TXC
Wherein, T2For second temperature value, Δ TSXFor upper and lower level temperature difference, TXCFor lower-layer concrete mean temperature.
Further, described according to first temperature value and the second temperature in preferred embodiments of the present invention
Value determines that the step of first maximum temperature value includes being calculated by the following formula out first maximum temperature value:
Wherein, Tmax1For the first maximum temperature value, T1For the first temperature value, T2For second temperature value.
Further, in preferred embodiments of the present invention, the step of second maximum temperature value of determination, is comprised determining that
The internal-external temperature difference of the concrete determines second maximum temperature value according to the inside and outside temperature difference.
Further, described according to first maximum temperature value and described second in preferred embodiments of the present invention
Maximum temperature value determines that the step of maximum temperature value includes being calculated by the following formula out the maximum temperature value:
Wherein, TmaxFor maximum temperature value, Tmax1For the first maximum temperature value, Tmax2For the second maximum temperature value.
A kind of concrete maximum temperature control device, including processing unit, first control unit and the second control unit, institute
It states first control unit and second control unit is connect with the processing unit；
The first control unit is for determining the first maximum temperature value；
Second control unit is for determining the second maximum temperature value；
The processing unit is used to determine the highest temperature according to first maximum temperature value and second maximum temperature value
Angle value.
The beneficial effect of concrete maximum temperature control method and device provided by the invention is: in the present invention, first
The first maximum temperature value and the second maximum temperature value for determining concrete, according to the first maximum temperature value and the second maximum temperature
It is worth and determines maximum temperature value.In the present invention, when the first maximum temperature value is concreting, of that month the first highest of concrete
Temperature, when the second maximum temperature value is concreting, of that month the second maximum temperature of concrete.In the present invention, not same month
Part, the first maximum temperature of Various Seasonal and the second maximum temperature are different, and according to the working environment of concrete, the month that works is determined
First maximum temperature and second maximum temperature of the of that month concrete in casting process, and then determine the first maximum temperature value and the
Two maximum temperature values determine maximum temperature value of this month concrete in casting process, were pouring to improve concrete
Precision in journey.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the concrete maximum temperature control device that the embodiment of the present invention one provides.
Fig. 2 is that the structure of the first control unit for the concrete maximum temperature control device that the embodiment of the present invention one provides is shown
It is intended to.
Fig. 3 is the first temperature of the first control unit for the concrete maximum temperature control device that the embodiment of the present invention one provides
The structural schematic diagram of angle value determining module.
Fig. 4 is the second temperature of the first control unit for the concrete maximum temperature control device that the embodiment of the present invention one provides
The structural schematic diagram of angle value determining module.
Fig. 5 is that the structure of the second control unit of the concrete maximum temperature control device that the embodiment of the present invention one provides is shown
It is intended to.
Fig. 6 is the flow chart of concrete maximum temperature control method provided by Embodiment 2 of the present invention.
Fig. 7 is the stream of the sub-step of the step S100 of concrete maximum temperature control method provided by Embodiment 2 of the present invention
Cheng Tu.
Fig. 8 is the stream of the sub-step of the step S110 of concrete maximum temperature control method provided by Embodiment 2 of the present invention
Cheng Tu.
Fig. 9 is the stream of the sub-step of the step S120 of concrete maximum temperature control method provided by Embodiment 2 of the present invention
Cheng Tu.
Figure 10 is the sub-step of the step S200 of concrete maximum temperature control method provided by Embodiment 2 of the present invention
Flow chart.
Icon: 100- concrete maximum temperature control device；110- first control unit；The first temperature value of 112- determines mould
Block；The basis 1122- temperature difference determining module；1124- first processing module；114- second temperature value determining module；1142- or more
Layer temperature difference determining module；1144- Second processing module；116- the first maximum temperature value determining module；120- second controls list
Member；122- internal-external temperature difference value determining module；124- third processing module；130- processing unit.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Embodiment one
Referring to Fig. 1, Fig. 1 is the functional module signal of concrete maximum temperature control device 100 provided in this embodiment
Figure, applied to maximum temperature value of the detection concrete in casting process, concrete maximum temperature control provided in this embodiment
Device 100 can be according to maximum temperature of the calculated of that month concrete of data in concrete different months in casting process
Value, improves precision of the concrete in casting process.
Concrete maximum temperature control device 100 includes that first control unit 110, the second control unit 120 and processing are single
Member 130, first control unit 110 and the second control unit 120 are connect with processing unit 130.
First control unit 110 is for determining the first maximum temperature value, wherein the first maximum temperature value is concreting
When, of that month the first maximum temperature of concrete.
Second control unit 120 is for determining the second maximum temperature value, wherein the second maximum temperature value is concreting
When, of that month the second maximum temperature of concrete.
Processing unit 130 is used to determine maximum temperature value according to the first maximum temperature value and the second maximum temperature value.
Referring to Fig. 2, in the present embodiment, first control unit 110 includes the first temperature value determining module 112, second
Temperature value determining module 114 and the first maximum temperature value determining module 116, the first temperature value determining module 112 and second temperature
Value determining module 114 is connect with the first maximum temperature value determining module 116, the first maximum temperature value determining module 116 and place
Unit 130 is managed to connect.
First temperature value determining module 112 is for determining the first temperature value, wherein when the first temperature is concreting,
First temperature of of that month concrete.
Second temperature value determining module 114 is for determining second temperature value, wherein when second temperature is concreting,
The second temperature of of that month concrete.
First maximum temperature value determining module 116 is used to determine first highest temperature according to the first temperature value and second temperature value
Angle value.
Referring to Fig. 3, in the present embodiment, the first temperature value determining module 112 includes basic temperature difference determining module
1122 and first processing module 1124, the basis temperature difference determining module 1122 is connect with first processing module 1124, and first
Processing module 1124 is connect with the first maximum temperature value determining module 116.
Basic temperature difference determining module 1122 is used to determine the basic temperature difference of concrete.Basic temperature difference is by the basic temperature difference
Value determining module 1122 is obtained according to specification and simulation calculation.
First processing module 1124 is used to determine the first temperature value according to basic temperature difference.
In the present embodiment, basic temperature difference is by standardizing and calculating determination.Equilibrium temperature is that concrete is pouring
Temperature in certain time after, when inside concrete no longer varies widely.
For concrete during pouring, the basic temperature difference under different temperatures is not identical, in the present embodiment, basis temperature
Difference determining module 1122 can determine the basis temperature of of that month concrete according to the temperature and weather in concreting this month
Difference.
In the present embodiment, first processing module 1124, which is calculated by the following formula, obtains the first temperature value:
T1=Δ Tjc+TWD
Wherein, T1For the first temperature value, Δ TjcFor basic temperature difference, TWDFor equilibrium temperature.
Referring to Fig. 4, in the present embodiment, second temperature value determining module 114 includes upper and lower level temperature difference determining module
1142 and Second processing module 1144, the upper and lower level temperature difference determining module 1142 connect with Second processing module 1144,
Two processing modules 1144 are connect with the first maximum temperature value determining module 116.
In the present embodiment, upper and lower level temperature difference determining module 1142 is used to determine the upper and lower level temperature difference of concrete.
Second processing module 1144 is used to determine second temperature value according to upper and lower level temperature difference.
In the present embodiment, upper and lower level temperature difference refers to the concrete highest within the scope of the above height 0.25L of old concrete
The difference of mean temperature and the mean temperature of beginning casting concrete lower layer old concrete.
For concrete during pouring, the upper and lower level temperature difference under different temperatures is not identical, in the present embodiment, up and down
Layer temperature difference determining module 1142 can determine the upper of of that month concrete according to the temperature and weather in concreting this month
Lower layer's temperature difference.
In the present embodiment, Second processing module 1144 determines second temperature value by following formula:
T2=Δ TSX+TXC
Wherein, T2For second temperature value, Δ TSXFor upper and lower level temperature difference, TXCFor lower-layer concrete mean temperature.
In the present embodiment, upper and lower level temperature difference is determined according to the intermittent phase of each pouring layer, further according to upper and lower level temperature difference
Determine second temperature value.
In the present embodiment, the first maximum temperature value determining module 116 is used for according to the first temperature value and second temperature value
It determines the first maximum temperature value, is calculated by the following formula out the first maximum temperature value:
Wherein, Tmax1For the first maximum temperature value, T1For the first temperature value, T2For second temperature value.
In the present embodiment, it is the first maximum temperature value that numerical value is lesser in the first temperature value and second temperature value.
Referring to Fig. 5, in the present embodiment, the second control unit 120 includes internal-external temperature difference value determining module 122 and third
Processing module 124, third processing module 124 are connect with internal-external temperature difference value determining module 122 and processing unit 130 respectively.
Internal-external temperature difference value determining module 122 is used to determine the internal-external temperature difference value of concrete.
Third processing module 124 is used to determine the second maximum temperature value according to internal-external temperature difference.
In the present embodiment, the internal-external temperature difference value of concrete is determined according to the cracking resistance of concrete.Internal-external temperature difference value is true
Cover half block 122 first detects the internal temperature values and external temperature value of concrete respectively, further according to internal temperature values and external temperature
Angle value calculates the internal-external temperature difference value of concrete.
In the present embodiment, the second maximum temperature value of concrete is determined by following formula:
T2=Δ TNW+TBM
Wherein, T2For the second maximum temperature value, Δ TNWFor internal-external temperature difference, TBMFor surface temperature of concrete.
In the present embodiment, surface temperature of concrete is the surface temperature of concrete in different months.It can be according to the not same month
The surface temperature of concrete of part calculates the second of that month maximum temperature value.
It is easily understood that internal-external temperature difference value of the internal-external temperature difference value in the concrete in different months.
Processing unit 130 is used to determine maximum temperature value according to the first maximum temperature value and the second maximum temperature value.
In the present embodiment, it is calculated by the following formula out maximum temperature value:
Wherein, TmaxFor maximum temperature value, Tmax1For the first maximum temperature value, Tmax2For the second maximum temperature value.
In the present embodiment, it is maximum temperature value that numerical value is lesser in the first maximum temperature value and the second maximum temperature value.
The working principle of concrete maximum temperature control device 100 provided in this embodiment: in the present embodiment, basis temperature
Difference determining module 1122 determines that the basic temperature difference of concrete, first processing module 1124 determine first according to basic temperature difference
Temperature value.Upper and lower level temperature difference determining module 1142 determines the upper and lower level temperature difference of concrete, 1144 foundation of Second processing module
Upper and lower level temperature difference determines second temperature value.First maximum temperature value determining module 116 is according to the first temperature value and second temperature
It is worth and determines the first maximum temperature value.Internal-external temperature difference value determining module 122 determines the internal-external temperature difference value of concrete, third processing module
124 determine the second maximum temperature value according to internal-external temperature difference.Processing unit 130 is used for according to the first maximum temperature value and the second highest
Temperature value determines maximum temperature value.
In conclusion concrete maximum temperature control device 100 provided in this embodiment, in the present embodiment, not same month
The basic temperature difference, upper and lower level temperature difference and ectonexine temperature difference of part are all different, the concrete highest temperature provided in this embodiment
Spending control device 100 can work month according to the working environment of concrete, determine this month concrete in casting process most
High temperature value, to improve precision of the concrete in casting process.
Embodiment two
Present embodiments provide a kind of concrete maximum temperature control method, concrete maximum temperature provided in this embodiment
Control method can be according to maximum temperature of the calculated of that month concrete of data in concrete different months in casting process
Value, improves precision of the concrete in casting process.
In order to briefly describe, the present embodiment does not refer to that place can refer to embodiment one.
In the present embodiment, the concrete maximum temperature control device 100 in conjunction with the embodiments in one introduces a kind of concrete
Maximum temperature control method.
Specific work process is as follows:
Referring to Fig. 6, step S100, determines the first maximum temperature value.
In the present embodiment, the first temperature value determining module 112 determines the first maximum temperature value.
Referring to Fig. 7, step S110, determines the first temperature value.
In the present embodiment, the first temperature value determining module 112 determines the first temperature value.
Referring to Fig. 8, step S112, determines the basic temperature difference of concrete.
In the present embodiment, basic temperature difference determining module 1122 is used to determine the basic temperature difference of concrete.
Step S114 determines the first temperature value according to basic temperature difference.
In the present embodiment, first processing module 1124 is used to determine the first temperature value according to basic temperature difference.At first
Reason device, which is calculated by the following formula, obtains the first temperature value:
T1=Δ Tjc+TWD
Wherein, T1For the first temperature value, Δ TjcFor basic temperature difference, TWDFor equilibrium temperature.
Second temperature value is determined please continue to refer to Fig. 7, step S120.
In the present embodiment, second temperature value determining module 114 determines second temperature value.
Referring to Fig. 9, step S122, determines the upper and lower level temperature difference of concrete.
Upper and lower level temperature difference determining module 1142 determines the upper and lower level temperature difference of concrete.
Step S124 determines the second temperature value according to the upper and lower level temperature difference.
Second processing module 1144 determines second temperature value according to upper and lower level temperature difference.Second processing module 1144 by with
Lower formula determines second temperature value:
T2=Δ TSX+TXC
Wherein, T2For second temperature value, Δ TSXFor upper and lower level temperature difference, TXCFor lower-layer concrete mean temperature.
Please continue to refer to Fig. 7, step S130, the first maximum temperature value is determined according to the first temperature value and second temperature value.
In the present embodiment, the first maximum temperature value determining module 116 is determined according to the first temperature value and second temperature value
First maximum temperature value.It is calculated by the following formula out the first maximum temperature value:
Wherein, Tmax1For the first maximum temperature value, T1For the first temperature value, T2For second temperature value.
The second maximum temperature value is determined please continue to refer to Fig. 6, step S200.
In the present embodiment, second controller determines the second maximum temperature value.
Referring to Fig. 10, step S210, determines the internal-external temperature difference value of concrete.
In the present embodiment, internal-external temperature difference value determining module 122 determines the internal-external temperature difference value of concrete.
Step S220 determines the second maximum temperature value according to upper and lower level temperature difference.
In the present embodiment, third processing module 124 determines the second maximum temperature value according to internal-external temperature difference.Pass through following public affairs
Formula determines the second maximum temperature value of concrete:
T2=Δ TNW+TBM
Wherein, T2For the second maximum temperature value, Δ TNWFor internal-external temperature difference, TBMFor surface temperature of concrete.
Please continue to refer to Fig. 6, step S300, concrete is determined according to the first maximum temperature value and the second maximum temperature value
Maximum temperature value.
Processing unit 130 is used to determine maximum temperature value according to the first maximum temperature value and the second maximum temperature value.
In the present embodiment, it is calculated by the following formula out maximum temperature value:
Wherein, TmaxFor maximum temperature value, Tmax1For the first maximum temperature value, Tmax2For the second maximum temperature value.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of concrete maximum temperature control method, for detecting the Various Seasonal of concrete, the highest of different operating environment
Temperature characterized by comprising
Determine the first maximum temperature value of concrete, wherein when first maximum temperature value is concreting, of that month coagulation
First maximum temperature of soil；
Determine the second maximum temperature value of concrete, wherein when second maximum temperature value is concreting, of that month coagulation
Second maximum temperature of soil；
The maximum temperature value of the concrete is determined according to first maximum temperature value and second maximum temperature value；
The step of first maximum temperature value of the determining concrete includes:
Determine the first temperature value, wherein when first temperature is concreting, the first temperature of of that month concrete；
Determine second temperature value, wherein when the second temperature is concreting, the second temperature of of that month concrete；
First maximum temperature value is determined according to first temperature value and the second temperature value；
The step of second maximum temperature value of the determining concrete, comprises determining that the internal-external temperature difference value of the concrete, foundation
The internal-external temperature difference value determines second maximum temperature value.
2. concrete maximum temperature control method according to claim 1, which is characterized in that first temperature value of determination
The step of comprise determining that the basic temperature difference of the concrete, determine first temperature value according to the basic temperature difference.
3. concrete maximum temperature control method according to claim 2, which is characterized in that described according to the basis temperature
Difference determines that the step of first temperature value includes being calculated by the following formula to obtain first temperature value:
T1=Δ Tjc+TWD
Wherein, T1For the first temperature value, Δ TjcFor basic temperature difference, TWDFor equilibrium temperature.
4. concrete maximum temperature control method according to claim 1, which is characterized in that the determining second temperature value
The step of comprise determining that the upper and lower level temperature difference of the concrete, determine the second temperature according to the upper and lower level temperature difference
Value.
5. concrete maximum temperature control method according to claim 4, which is characterized in that described according to the upper and lower level
Temperature difference determines that the step of second temperature value includes:
T2=Δ TSX+TXC
Wherein, T2For second temperature value, Δ TSXFor upper and lower level temperature difference, TXCFor lower-layer concrete mean temperature.
6. concrete maximum temperature control method according to claim 1, which is characterized in that described according to first temperature
The step of angle value and the second temperature value determine first maximum temperature value includes being calculated by the following formula out described
One maximum temperature value:
Wherein, Tmax1For the first maximum temperature value, T1For the first temperature value, T2For second temperature value.
7. concrete maximum temperature control method according to claim 1, which is characterized in that it is described according to described first most
The step of high temperature value and second maximum temperature value determine maximum temperature value include be calculated by the following formula out it is described most
High temperature value:
Wherein, TmaxFor maximum temperature value, Tmax1For the first maximum temperature value, Tmax2For the second maximum temperature value.
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| CN111221361B (en) * | 2018-11-27 | 2021-08-31 | 河北高达智能装备股份有限公司 | Temperature control method for mass concrete construction |
| CN110413019B (en) * | 2019-07-08 | 2020-12-18 | 武昌理工学院 | Automatic method and system for controlling water-feeding and cooling internal temperature of lining concrete |
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