CN111535186A - Concrete maintenance system of bridge tower column, bridge tower column and maintenance method - Google Patents
Concrete maintenance system of bridge tower column, bridge tower column and maintenance method Download PDFInfo
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- CN111535186A CN111535186A CN202010374209.XA CN202010374209A CN111535186A CN 111535186 A CN111535186 A CN 111535186A CN 202010374209 A CN202010374209 A CN 202010374209A CN 111535186 A CN111535186 A CN 111535186A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/0277—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element
- C04B40/029—Hardening promoted by using additional water, e.g. by spraying water on the green concrete element using an aqueous solution or dispersion
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
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Abstract
The invention discloses a concrete curing system of a bridge tower column, the bridge tower column and a curing method, and relates to the technical field of temperature-controlled curing of concrete, wherein the curing system comprises a water tank, at least one cooling pipeline, at least one spraying pipeline, a plurality of sensors and a controller, a water inlet of the cooling pipeline is communicated with the water tank through a cooling water inlet pipe, a water outlet of the cooling pipeline is communicated with the water tank through a cooling water outlet pipe, and a first electromagnetic valve is arranged on the cooling water inlet pipe; the water inlet of the spraying pipeline is communicated with the cooling water outlet pipe through a spraying water inlet pipe, the water outlet of the spraying pipeline is communicated with the water tank through a spraying water outlet pipe, a second electromagnetic valve is arranged on the spraying water inlet pipe, and a plurality of spray heads are arranged on the spraying pipeline; the controller is connected with all the sensors, the first electromagnetic valve, the second electromagnetic valve and the water tank. The application provides a concrete curing system of bridge tower post, intelligent degree is high, has reduced the difference in temperature in the concrete, reduces the risk of concrete fracture, and the maintenance effect is better.
Description
Technical Field
The invention relates to the technical field of temperature-controlled maintenance of concrete, in particular to a concrete maintenance system of a bridge tower column, the bridge tower column and a maintenance method.
Background
At present, large or ultra-large bridges are more and more constructed, the size and the concrete volume of a main tower of the bridge are more and more large, and the large-volume concrete construction method belongs to large-volume concrete construction. In the large-volume concrete technology, the volume is large, the surface coefficient is small, the concrete heat conductivity coefficient is small, the cement hydration heat release is concentrated, the internal temperature rise is fast, and the temperature difference inside and outside the concrete is large. When the temperature difference between the inside and the outside of the concrete is large, the concrete can generate temperature cracks, so that the structural safety and the normal use are influenced, and the temperature cracks can be effectively prevented only by carrying out good temperature control on the mass concrete so as to achieve the purpose of concrete curing.
In the prior art, the height of a bridge tower column is high, the construction rhythm is fast, the artificial maintenance is dangerous, and the difficulty coefficient is large, so that the concrete maintenance frequency is low, and the effect is poor; in addition, in the concrete curing process of the bridge tower column, underground water is directly used for spraying and curing the surface of the bridge tower column through a water pipe according to weather conditions and experience, and the temperature difference between spraying water and the surface of the concrete of the tower column is large, so that the risk of concrete cracking caused by overlarge temperature stress is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the concrete curing system for the bridge tower column, which has high intelligent degree, reduces the temperature difference of the inner surface of concrete, reduces the risk of cracking of the concrete and has better curing effect.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a concrete curing system for a bridge tower for curing a bridge tower, comprising:
a water tank;
the cooling pipeline is laid inside the tower column, a water inlet of the cooling pipeline is communicated with the water tank through a cooling water inlet pipe, a water outlet of the cooling pipeline is communicated with the water tank through a cooling water outlet pipe, and a first electromagnetic valve is arranged on the cooling water inlet pipe;
the water tank is provided with a cooling water outlet pipe, a cooling water outlet pipe and a spraying water inlet pipe, the cooling water outlet pipe is communicated with the cooling water outlet pipe through a spraying water inlet pipe, the spraying water outlet pipe is communicated with the cooling water outlet pipe through a spraying water outlet pipe, the spraying water inlet pipe is provided with a second electromagnetic valve, and the spraying pipe is provided with a plurality of spray heads;
the temperature and humidity sensors are used for detecting the temperature and humidity inside and outside the tower column;
and the controller is connected with all the sensors, the first electromagnetic valve, the second electromagnetic valve and the water tank.
On the basis of the technical scheme, electromagnetic flow meters are arranged between the water inlet of the cooling pipeline and the water tank and between the water inlet of the spraying pipeline and the water outlet of the cooling pipeline, and the electromagnetic flow meters are connected with the controller.
On the basis of the technical scheme, the tower column cooling device comprises a plurality of cooling pipelines, and all the cooling pipelines are arranged at intervals along the vertical direction of the tower column.
On the basis of the technical scheme, the cooling water system further comprises a first flow divider and a second flow divider, wherein one end of the first flow divider is connected with the water tank, the other end of the first flow divider is connected with all cooling water inlet pipes, one end of the second flow divider is connected with the water tank, and the other end of the second flow divider is connected with all cooling water outlet pipes.
On the basis of the technical scheme, the tower column spraying device comprises two spraying pipelines, wherein one spraying pipeline is arranged at the top of the tower column, and the other spraying pipeline is arranged in the middle of the tower column.
On the basis of the technical scheme, the spraying water inlet pipe is provided with a heater, and the heater is connected with the controller.
The invention also provides a bridge tower column, and the concrete curing system provided with the bridge tower column is characterized in that the water tank is arranged at the top of the tower column, the cooling pipeline is horizontally laid inside the tower column, and the spraying pipeline is erected outside the tower column in a surrounding manner.
The invention also provides a maintenance method of the concrete maintenance system of the bridge tower column, which comprises the following steps:
when the sensor monitors that the temperature inside the tower column changes greatly, the controller adjusts the opening of the first electromagnetic valve according to the temperature rising rate of the temperature inside the tower column so as to adjust the water flow of the cooling water inlet pipe;
when the temperature and humidity inside and outside the tower column reach set conditions, the controller controls the second electromagnetic valve to be opened, the spraying pipeline is communicated with the cooling pipeline, and cooling water of the cooling pipeline is used for spraying.
On the basis of the technical scheme, before the cooling water of the cooling pipeline is used for spraying, the method further comprises the following steps:
and calculating the spraying temperature of the tower column, heating the cooling water of the cooling pipeline to the spraying temperature by using a heater, and then spraying.
On the basis of the technical scheme, the calculation formula for calculating the spraying temperature of the tower column is as follows:
wherein, T2β is equivalent heat release coefficient of tower column concrete, k is the inlet water temperature of the spray pipeline1As a wind speed correction factor, k2As a coefficient of humidity correction, λ1Is the air heat conductivity coefficient, h1Is the thickness of the water film on the concrete surface of the tower column, S is the surface area of the concrete of the tower column, c is the specific heat capacity of water, rho is the water density,v is the water flow of the spray pipe, T1Is the surface temperature of the column concrete.
Compared with the prior art, the invention has the advantages that: the concrete curing system of the bridge tower column has high intelligent degree, the whole process is intelligently controlled by the controller, and compared with manual curing, the concrete curing system has higher efficiency, is safer and more reliable, and has better applicability, thereby greatly improving the curing frequency of concrete; on the other hand, through the inside and outside humiture of a plurality of sensors real-time supervision column to the play water that uses cooling tube sprays to the column concrete surface, has reduced the difference in temperature of shower water and column concrete surface, greatly reduced because of the too big risk that leads to the concrete fracture of temperature stress, the maintenance effect is better, uses the play water of cooling tube to spray the maintenance moreover, and is more energy-concerving and environment-protective.
Drawings
FIG. 1 is a top view of a concrete maintenance system for a bridge tower in an embodiment of the present invention;
FIG. 2 is a side view of a concrete maintenance system for a bridge tower in an embodiment of the present invention;
in the figure: 1-tower column, 2-water tank, 3-cooling pipeline, 4-cooling water inlet pipe, 5-cooling water outlet pipe, 6-first electromagnetic valve, 7-spraying pipeline, 8-spraying water inlet pipe, 9-spraying water outlet pipe, 10-second electromagnetic valve, 11-nozzle, 12-sensor, 13-controller, 14-electromagnetic flowmeter, 15-first current divider, 16-second current divider, 17-heater, 18-first water pump, 19-second water pump and 20-pressure relief valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, an embodiment of the present invention provides a concrete curing system for a bridge tower, which is used for curing a bridge tower 1, and includes a water tank 2, at least one cooling pipe 3, at least one spraying pipe 7, a plurality of sensors 12, and a controller 13.
The cooling pipeline 3 is laid inside the tower column 1, a water inlet of the cooling pipeline 3 is communicated with the water tank 2 through a cooling water inlet pipe 4, a water outlet of the cooling pipeline 3 is communicated with the water tank 2 through a cooling water outlet pipe 5, and a first electromagnetic valve 6 is arranged on the cooling water inlet pipe 4;
the spray pipeline 7 is laid outside the tower column 1, a water inlet of the spray pipeline 7 is communicated with the cooling water outlet pipe 5 through a spray water inlet pipe 8, a water outlet of the spray pipeline 7 is communicated with the water tank 2 through a spray water outlet pipe 9, the spray water inlet pipe 8 is provided with a second electromagnetic valve 10, and the spray pipeline 7 is provided with a plurality of spray heads 11;
the temperature and humidity sensors 12 are used for detecting the temperature and humidity inside and outside the tower column 1, part of the sensors 12 are distributed inside the tower column 1, and part of the sensors 12 are distributed on the outer surface of the tower column 1;
the controller 13 is connected to all of the sensors 12, the first solenoid valve 6, the second solenoid valve 10, and the water tank 2.
The working principle of the concrete curing system of the bridge tower column provided by the embodiment of the invention is as follows: lay cooling tube 3 in column tower 1, erect spray pipe 7 in column tower 1 outside, sensor 12 monitors the humiture inside and outside column tower 1, controller 13 is according to the humiture inside and outside column tower 1 that monitors, control first solenoid valve 6 and second solenoid valve 10, in order to realize cooling inlet tube 4 and spray opening or closing of inlet tube 8, when cooling inlet tube 4 opens, realize the inside temperature control of column tower 1 concrete through cooling tube 3, when spraying inlet tube 8 and opening, realize the maintenance of spraying on column tower 1 concrete surface through spray pipe 7, and, the water inlet of spray pipe 7 and the delivery port intercommunication of cooling tube 3, the play water that uses cooling tube 3 sprays on column tower 1 concrete surface.
The concrete curing system of the bridge tower column provided by the embodiment of the invention has high intelligent degree, the whole process is intelligently controlled and realized by the controller 13, and compared with manual curing, the concrete curing system has the advantages of higher efficiency, higher safety and reliability and better applicability, so that the curing frequency of concrete can be greatly improved; on the other hand, through the inside and outside humiture of a plurality of sensors 12 real-time supervision column 1 to the play water that uses cooling tube 3 sprays 1 concrete surface of column, has reduced the difference in surface temperature of concrete, greatly reduced because of the too big risk that leads to the concrete fracture of temperature stress, the maintenance effect is better, uses the play water of cooling tube to spray the maintenance moreover, and is more energy-concerving and environment-protective.
Furthermore, in the embodiment of the present invention, an electromagnetic flow meter 14 is disposed between the water inlet of the cooling pipeline 3 and the water tank 2, and between the water inlet of the spraying pipeline 7 and the water outlet of the cooling pipeline 3, and the electromagnetic flow meter 14 is connected to the controller 13.
Referring to fig. 2, in the embodiment of the present application, the concrete curing system for a bridge tower preferably includes a plurality of cooling pipes 3, and all the cooling pipes 3 are spaced apart from each other in a vertical direction of the tower 1. Through setting up a plurality of cooling tube 3, can be so that the temperature control effect of whole column 1 is better.
Furthermore, in the embodiment of the present invention, the concrete curing system for a bridge tower further includes a first splitter 15 and a second splitter 16, where one end of the first splitter 15 is connected to the water tank 2, the other end of the first splitter is connected to all the cooling water inlet pipes 4, one end of the second splitter 16 is connected to the water tank 2, and the other end of the second splitter 16 is connected to all the cooling water outlet pipes 5. The whole pipeline layout is simpler and the practicability is better by using the flow divider structure; and the water in the cooling pipeline 3 can flow into the spraying pipeline 7 through the second flow divider 16, and the redundant water flows back into the water tank 2, so that the use is more convenient.
Preferably, in the embodiment of the present application, the concrete curing system for a bridge tower comprises two spray pipes 7, wherein one spray pipe 7 is disposed at the top of the tower 1, and the other spray pipe 7 is disposed in the middle of the tower 1. Because the tower column 1 is generally higher, two layers of spraying pipelines 7 are arranged and respectively spray downwards from the top and the middle part, so that the concrete surface spraying effect is better.
In practical application, different quantities of the spray pipes 7 can be arranged according to different heights of the tower column 1, one spray pipe 7 is arranged at the top of the tower column 1, and the rest spray pipes 7 are distributed at intervals from the top to the bottom according to the height of one section of the tower column 1 and the spray range of the spray pipes 7, so that the outer surface of the tower column 1 is sprayed better, and the effect is better.
Furthermore, in the embodiment of the present invention, a heater 17 is disposed on the spray water inlet pipe 8, and the heater 17 is connected to the controller 13. The action of the heater 17 is controlled by the controller 13, so that the function of intelligently adjusting the water temperature of the spraying water inlet pipe 8 can be achieved, namely the spraying temperature of the spraying pipeline 7 is intelligently adjusted, the temperature difference of the inner surface of concrete can be better reduced by changing the spraying temperature of the spraying pipeline 7, and the occurrence of cracks is avoided.
Furthermore, in the embodiment of the present invention, a first water pump 18 is disposed between the water tank 2 and the water inlet of the cooling pipeline 3, the water inlet of the water tank 2 is further connected to a second water pump 19, and the other end of the second water pump 19 is communicated with river water through a pipeline. The pressure relief valves 20 are arranged between the first flow divider 15 and the water tank 2 and between the second flow divider 16 and the water tank 2, so that the whole system is safer and more reliable.
In the embodiment of the present invention, the sensor 12 may be a temperature and humidity sensor, or may be a combination of a temperature sensor and a humidity sensor, and is selected according to an actual situation, which is not limited herein.
In the embodiment of the invention, the plurality of spray heads 11 are arranged at intervals, the spray heads 11 are automatic swing type shower head type spray heads, different swing angles can be correspondingly selected according to the installation positions of the spray heads 11, and the swing angles can be 180 degrees or 90 degrees, when the spray heads 11 are arranged, all areas on the surface of the tower column 1 are covered as much as possible, so that the spraying maintenance without dead angles and omission is realized, and the maintenance effect is better.
The embodiment of the invention also provides a bridge tower column, which is provided with the concrete curing system of the bridge tower column, the water tank 2 is arranged at the top of the tower column 1, the cooling pipeline 3 is horizontally laid inside the tower column 1, and the spraying pipeline 7 is erected outside the tower column 1 in a surrounding manner.
The embodiment of the invention also provides a concrete curing method of the bridge tower column, which comprises the following steps:
when the sensor 12 monitors that the temperature inside the tower column 1 changes greatly, the controller 13 adjusts the opening of the first electromagnetic valve 6 according to the temperature rising rate of the temperature inside the tower column 1 so as to adjust the water flow of the cooling water inlet pipe 4;
when the temperature and humidity inside and outside the tower column 1 reach set conditions, the controller 13 controls the second electromagnetic valve 10 to be opened, the spraying pipeline 7 is communicated with the cooling pipeline 3, and cooling water of the cooling pipeline 3 is used for spraying.
The specific process of the controller 13 adjusting the opening of the first electromagnetic valve 6 according to the temperature rise rate of the internal temperature of the tower column 1 is as follows:
when water starts to be supplied, the water flow of the cooling water inlet pipe 4 is 5m3H, when the temperature rise rate of the internal temperature of the tower column 1 is reduced to 1 ℃/h, the water flow of the cooling water inlet pipe 4 is adjusted to be 3m3H, when the temperature rise rate of the internal temperature of the tower column 1 is reduced to be within the range of 0.5 ℃/h to 1 ℃/h, the water flow of the cooling water inlet pipe 4 is adjusted to be 1.5m3H, when the temperature rise rate of the internal temperature of the tower column 1 is reduced to be within the range of 0.1 ℃/h to 0.5 ℃/h, the water flow of the cooling water inlet pipe 4 is adjusted to be 1m3/h；
After adjustment, the temperature of the concrete enters a cooling stage from the heating stage;
when the temperature reduction rate of the internal temperature of the tower column 1 is maintained within 0.1 ℃/h, the current water flow is kept unchanged, when the temperature reduction rate of the internal temperature of the tower column 1 is greater than 0.1 ℃/h, the water flow of the cooling water inlet pipe 4 is decreased progressively according to 20%, and when the temperature reduction rate of the internal temperature of the tower column 1 lasts for 2h and is zero or becomes the temperature rise rate, the water flow of the cooling water inlet pipe 4 is increased progressively according to 20%.
In the embodiment of the present invention, the set conditions for the inside and outside temperature and humidity of the tower column 1 are specifically: the difference between the average temperature inside the tower column 1 and the average temperature on the outer surface of the tower column 1 is larger than 20 degrees, or the average humidity on the outer surface of the tower column 1 is smaller than 95 percent, when any set condition is met, spraying is carried out, and if neither set condition is met, spraying is stopped.
Further, in the embodiment of the present invention, before spraying with the cooling water in the cooling pipe 3, the method further includes the steps of:
and calculating the spraying temperature of the tower column 1, heating the cooling water in the cooling pipeline to the spraying temperature by using a heater 17, and then spraying.
The calculation formula for calculating the spraying temperature of the tower column 1 is as follows:
wherein, T2The water inlet temperature of the spray pipeline 7 is β equivalent heat release coefficient of the tower column concrete, k1As a wind speed correction factor, k2As a coefficient of humidity correction, λ1Is the air heat conductivity coefficient, h1Is the thickness of the water film on the concrete surface of the tower column, S is the concrete surface area of the tower column, c is the specific heat capacity of water, rho is the water density, v is the water flow of the spray pipeline 7, T1Is the surface temperature of the column concrete.
On one hand, the concrete curing method of the bridge tower column provided by the embodiment of the invention has high intelligent degree, the whole process is intelligently controlled and realized by the controller 13, and compared with manual curing, the method has the advantages of higher efficiency, higher safety and reliability and better applicability, so that the curing frequency of concrete can be greatly improved; on the other hand, through the inside and outside humiture of a plurality of sensors 12 real-time supervision column 1 to the play water that uses cooling tube 3 sprays 1 concrete surface of column, has reduced the difference in surface temperature of concrete, greatly reduced because of the too big risk that leads to the concrete fracture of temperature stress, the maintenance effect is better, uses the play water of cooling tube to spray the maintenance moreover, and is more energy-concerving and environment-protective.
On the other hand, in the concrete curing method of the bridge tower column, the water flow of the cooling water inlet pipe 4 is adjusted according to the temperature rise rate of the internal temperature of the tower column 1, so that the internal temperature of the concrete is more scientific, and the effect is better; moreover, a calculation formula for calculating the spraying temperature of the tower column 1 is given, the spraying temperature is calculated more scientifically, and the cooling water of the cooling pipeline is heated to the spraying temperature by the heater 17 and then sprayed, so that the maintenance effect is better.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A concrete curing system of a bridge tower for curing a tower (1) of a bridge, comprising:
a water tank (2);
the cooling device comprises at least one cooling pipeline (3) which is laid inside a tower column (1), wherein a water inlet of the cooling pipeline (3) is communicated with a water tank (2) through a cooling water inlet pipe (4), a water outlet of the cooling pipeline (3) is communicated with the water tank (2) through a cooling water outlet pipe (5), and a first electromagnetic valve (6) is arranged on the cooling water inlet pipe (4);
the cooling tower comprises a tower column (1), at least one spray pipeline (7) and a cooling water outlet pipe (5), wherein the spray pipeline (7) is laid outside the tower column (1), a water inlet of the spray pipeline (7) is communicated with the cooling water outlet pipe (5) through a spray water inlet pipe (8), a water outlet of the spray pipeline (7) is communicated with a water tank (2) through a spray water outlet pipe (9), a second electromagnetic valve (10) is arranged on the spray water inlet pipe (8), and a plurality of spray heads (11) are arranged on the spray pipeline (7);
a plurality of sensors (12) for detecting the temperature and humidity inside and outside the tower column (1);
and the controller (13) is connected with all the sensors (12), the first electromagnetic valve (6), the second electromagnetic valve (10) and the water tank (2).
2. A concrete curing system for a bridge tower of claim 1, wherein: and an electromagnetic flowmeter (14) is arranged between the water inlet of the cooling pipeline (3) and the water tank (2) and between the water inlet of the spray pipeline (7) and the water outlet of the cooling pipeline (3), and the electromagnetic flowmeter (14) is connected with a controller (13).
3. A concrete curing system for a bridge tower of claim 1, wherein: the tower column cooling device comprises a plurality of cooling pipelines (3), wherein all the cooling pipelines (3) are arranged at intervals along the vertical direction of the tower column (1).
4. A concrete curing system for a bridge tower of claim 3, wherein: still include first shunt (15) and second shunt (16), first shunt (15) one end with water tank (2) link to each other, and the other end all links to each other with all cooling inlet tube (4), second shunt (16) one end with water tank (2) link to each other, and the other end all links to each other with all cooling outlet pipe (5).
5. A concrete curing system for a bridge tower of claim 1, wherein: the tower column comprises two spraying pipelines (7), wherein one spraying pipeline (7) is arranged at the top of the tower column (1), and the other spraying pipeline (7) is arranged in the middle of the tower column (1).
6. A concrete curing system for a bridge tower of claim 1, wherein: and a heater (17) is arranged on the spraying water inlet pipe (8), and the heater (17) is connected with the controller (13).
7. A bridge tower column is characterized in that: concrete curing system provided with a bridge tower according to any one of claims 1 to 6, wherein the water tank (2) is mounted on top of the tower (1), the cooling pipe (3) is horizontally laid inside the tower (1), and the spray pipe (7) is erected around the outside of the tower (1).
8. A method of curing a concrete curing system based on a bridge tower according to any one of claims 1 to 6, comprising the steps of:
when the sensor (12) monitors that the temperature inside the tower column (1) changes greatly, the controller (13) adjusts the opening of the first electromagnetic valve (6) according to the temperature rising rate of the temperature inside the tower column (1) so as to adjust the water flow of the cooling water inlet pipe (4);
when the temperature and humidity inside and outside the tower column (1) reach set conditions, the controller (13) controls the second electromagnetic valve (10) to be opened, the spraying pipeline (7) is communicated with the cooling pipeline (3), and cooling water of the cooling pipeline (3) is used for spraying.
9. A method for curing concrete of a bridge tower according to claim 8, wherein before spraying with cooling water of the cooling pipe (3), further comprising the steps of:
and calculating the spraying temperature of the tower column (1), heating the cooling water in the cooling pipeline to the spraying temperature by using a heater (17), and then spraying.
10. The concrete curing method of a bridge tower column according to claim 9, wherein the calculation formula for calculating the spraying temperature of the tower column (1) is:
wherein, T2The water inlet temperature of the spray pipeline (7) is β, the equivalent heat release coefficient of the tower column concrete is k1As a wind speed correction factor, k2As a coefficient of humidity correction, λ1Is the air heat conductivity coefficient, h1Is the thickness of the water film on the concrete surface of the tower column, s is the concrete surface area of the tower column, c is the specific heat capacity of water, rho is the water density, v is the water flow of the spray pipeline (7), T1Is the surface temperature of the column concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374209.XA CN111535186A (en) | 2020-05-06 | 2020-05-06 | Concrete maintenance system of bridge tower column, bridge tower column and maintenance method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010374209.XA CN111535186A (en) | 2020-05-06 | 2020-05-06 | Concrete maintenance system of bridge tower column, bridge tower column and maintenance method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479740A (en) * | 2020-11-19 | 2021-03-12 | 中建八局第三建设有限公司 | Green intelligent concrete curing system and curing method |
| CN114438884A (en) * | 2020-11-06 | 2022-05-06 | 湖南五新模板有限公司 | Trestle concrete intelligent maintenance system and method |
-
2020
- 2020-05-06 CN CN202010374209.XA patent/CN111535186A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438884A (en) * | 2020-11-06 | 2022-05-06 | 湖南五新模板有限公司 | Trestle concrete intelligent maintenance system and method |
| CN112479740A (en) * | 2020-11-19 | 2021-03-12 | 中建八局第三建设有限公司 | Green intelligent concrete curing system and curing method |
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