Highland pier body concrete temperature self-compensation crack control system

Abstract

The application discloses a highland pier body concrete temperature self-compensation crack control system and relates to the field of bridge engineering.The technical scheme of the application comprises a temperature adjusting pipeline and a temperature sensor;the core part and the surface layer of concrete are both distributed with the temperature adjusting pipeline and the temperature sensor;and the two ends of the temperature adjusting pipeline are circularly and serially connected with a circulating device and a temperature adjusting device.The core part of the pier body can perform temperature self-compensation on the surface layer through heat energy, and thus, no additional energy input is needed, no additional carbon emission is caused, and no environmental pollution is caused.

Description

Technical Field

[0001] This invention relates to the field of bridge engineering, and in particular to a temperature self-compensation crack control system for concrete piers in high-altitude areas. Background Technology

[0002] High-altitude regions face extreme environments such as high altitude, low air pressure, strong ultraviolet radiation, large temperature differences, dryness, cold, strong winds, hail, and snowfall, posing serious threats to the safe service of concrete. In particular, the low temperatures and large temperature differences on plateaus present a significant challenge to the control of the temperature field in the pier body, and controlling the temperature difference between the core and the surface has become one of the procedures for preventing cracking of concrete in high-altitude pier bodies.

[0003] Currently, the commonly used geotextile + water energy membrane method for pier insulation cannot effectively control the temperature difference. Steam curing, electric blanket heating and other methods are costly, the raw materials are easily damaged during use, and a lot of extra energy is needed to generate heat, resulting in a large waste of energy. At the same time, construction is inconvenient, rain and waterproofing are complicated, and the current control of the temperature difference between the inside and outside of the pier is still difficult to meet the actual needs. Summary of the Invention

[0004] To address the aforementioned technical problems, this invention provides a temperature self-compensation crack control system for concrete piers in high-altitude areas. This system uses the thermal energy of the pier core to self-compensate the surface temperature, controlling the temperature difference between the inside and outside of the pier, thereby controlling cracking. The entire system requires no additional energy input, has no additional carbon emissions, and does not cause environmental pollution.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a temperature self-compensation crack control system for high-altitude pier concrete, including temperature regulating pipes and temperature sensors;

[0006] The temperature regulating pipes and temperature sensors are distributed in both the core and surface of the concrete.

[0007] The two ends of the temperature regulating pipe are connected in series with the circulation device and the temperature regulating device.

[0008] This solution involves distributing temperature-regulating pipes and temperature sensors inside and outside the concrete pier. By monitoring the internal and external temperatures of the concrete pier, if the temperature difference between the inside and outside is too large, the water in the temperature-regulating pipes is circulated through a circulation device. This extracts and stores the heat energy from the core of the pier into the flowing water, and then transfers the heat energy to the surface of the pier through the surface water circulation pipes. This allows the concrete itself to compensate for the temperature difference between the core and the surface of the pier.

[0009] Preferably, the temperature-regulating pipe is spirally arranged within the concrete to allow for temperature regulation over a wider range within the concrete pier.

[0010] Preferably, the temperature-regulating pipe is a metal pipe, which is fixed to the reinforcing steel bars within the concrete. The metal pipe serves as a structural component, enhancing overall strength, and its superior thermal conductivity allows for faster heat transfer and better temperature regulation. Direct contact between the metal pipe and the reinforcing steel bars within the concrete pier utilizes the wider coverage area of ​​the steel bars. Compared to concrete, steel bars have better thermal conductivity, enabling more comprehensive heat transfer within the concrete pier, resulting in a more uniform and rapid temperature regulation effect.

[0011] Preferably, a plurality of temperature-regulating metal wires are fixedly attached to the outer wall of the metal pipe. This allows the use of temperature-regulating metal wires to cover areas that cannot be covered by reinforcing bars and temperature-regulating pipes, thus enabling faster heat transfer.

[0012] Preferably, the temperature-regulating metal wire has a spiral or S-shaped structure, which allows it to cover a wider area.

[0013] Preferably, it also includes a solar power generation component electrically connected to the circulation device. This allows for automatic heat collection when sunlight is available, and the circulation device activates when there is a significant temperature difference in the concrete pier, making it ideal for areas where access to electricity is difficult.

[0014] Preferably, the circulation device uses a circulating water pump to quickly drive the flow of water inside the temperature-regulating pipe.

[0015] Preferably, the temperature regulating device includes a temperature regulating water tank, a hot water tank, and a buffer water tank. The temperature regulating water tank, the hot water tank, and the circulating water pump are connected in series through the temperature regulating pipe. The buffer water tank is connected to the temperature regulating water tank through a buffer pipe. The buffer pipe is equipped with a bidirectional water pump. The outer wall of the buffer water tank is equipped with heat dissipation fins. The hot water tank is equipped with a heating tube.

[0016] When it is necessary to heat or cool the entire concrete pier, the temperature regulating device is activated. Its main working principle is as follows: When heating is required, the hot water tank heats the circulating water, thereby compensating for heat loss inside and outside the concrete pier. If the temperature is too high, the hotter water in the circulating pipe can be pumped to the buffer tank, reducing the overall heat in the temperature regulating pipe and slowing down the heating process. Alternatively, water from the buffer tank can be added to the temperature regulating tank to lower the temperature of the water in the temperature regulating pipe. When cooling is required, the heating element of the hot water tank is not activated; normal operation of the concrete pier is sufficient for cooling. If further cooling is needed, water from the buffer tank can be pumped to the temperature regulating tank to increase the circulating water volume and achieve a rapid cooling effect.

[0017] A construction method for a temperature self-compensation crack control system for concrete piers in high-altitude areas, characterized by the following steps:

[0018] S1: Detect the engineering geological conditions of the construction site, and design the height of the pier, the size of the foundation, and the size and layout of the water circulation pipeline according to the project overview;

[0019] S2: When tying the reinforcing bars for the foundation, install a temperature regulating pipe and expose the end of the temperature regulating pipe 10cm above the concrete wall surface to facilitate connection with the water pump.

[0020] S3: Seal the end of the temperature control pipe to prevent blockage during concrete pouring; then, pour the foundation concrete and cure it.

[0021] S4: During the construction of the pier body, the pre-fabricated steel bars need to be tied on-site. The construction should be carried out in the following order: first tie the vertical main bars and stirrups of the pier body, and then tie the main bars and stirrups of the pier top. The steel bar tying should be carried out simultaneously with the installation of the pier body formwork, and temperature control pipes and temperature sensors should be installed.

[0022] S5: Connect the core and surface temperature-regulating pipes by enlarging the waterproof threaded joint;

[0023] S6: Use a super pump to pour concrete for the pier body, and pay attention to the airtightness of the pipeline system during the pouring process;

[0024] S7: After the bridge pier construction is completed, the water pump and solar power generation components will be installed in the designated positions. After installation, the temperature regulation pipes of the pier body will be connected to the water pump unit, and the solar power generation components and water pump will be connected by cables so that the solar power panels can provide power to the water pump unit.

[0025] Preferably, in step S4, during the process of tying the pier reinforcement, the core and surface temperature regulating pipes are laid out according to the design requirements, and temperature sensors are installed; the surface temperature sensor is 5-10cm away from the outer layer of the pier.

[0026] The beneficial effects of this invention are:

[0027] This invention utilizes the thermal energy from the core of the pier to self-compensate the surface temperature, requiring no additional energy input, producing no additional carbon emissions, and causing no environmental pollution. When the temperature difference between the pier core and surface is too large, solar power generation components supply power to the equipment, reducing the temperature difference and significantly improving the crack resistance of piers in high-altitude areas and increasing operational efficiency. Simultaneously, the temperature-regulating pipes are connected to the reinforcing steel bars inside the concrete pier, utilizing the heat conduction of the steel bars to quickly and evenly regulate the temperature throughout the concrete pier. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only two of the drawings in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of an embodiment of the present invention;

[0030] Figure 2 This is a schematic diagram of an embodiment of the present invention.

[0031] Among them, 1 is a concrete pier, 2 is a temperature regulating pipe, 3 is a circulation device, 4 is a hot water tank, 5 is a temperature regulating water tank, 6 is a two-way water pump, 7 is a buffer water tank, 8 is a temperature regulating metal wire, and 9 is a temperature sensor. Detailed Implementation

[0032] To enhance understanding of the present invention, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. These embodiments are only used to explain the invention and do not limit the scope of protection of the invention. Example

[0033] like Figure 1 As shown, a temperature self-compensation crack control system for concrete in plateau piers includes a temperature regulating pipe 2 and a temperature sensor 9; the temperature regulating pipe 2 and the temperature sensor 9 are distributed in both the core and surface of the concrete; the two ends of the temperature regulating pipe 2 are connected in series with a circulation device 3 and a temperature regulating device.

[0034] This scheme distributes temperature regulating pipes 2 and temperature sensors 9 inside and outside the concrete pier 1. By monitoring the internal and external temperatures of the concrete pier 1, if the temperature difference between the inside and outside is too large, the circulation device 3 drives the water in the temperature regulating pipes 2 to circulate, extracting and storing the heat energy of the pier core into the flowing water, and transferring the heat energy to the pier surface through the surface water circulation pipe. In this way, the concrete itself can be used to achieve self-compensation of the surface temperature of the pier, reducing the temperature difference between the core and the surface of the pier.

[0035] The temperature-regulating pipe 2 is spirally arranged within the concrete to regulate the temperature over a wider range inside the concrete pier 1.

[0036] The temperature-regulating pipe 2 is made of metal and is fixed to the reinforcing steel bars within the concrete. The metal pipe serves as a structural component, enhancing overall strength, and its superior thermal conductivity allows for faster heat transfer and better temperature regulation. By directly contacting the metal pipe with the reinforcing steel bars inside the concrete pier 1, the wider coverage area of ​​the steel bars, which have better thermal conductivity than concrete, allows for more comprehensive heat transfer within the concrete pier 1, resulting in a more uniform and rapid temperature regulation effect.

[0037] Several temperature-regulating metal wires 8 are fixedly attached to the outer wall of the metal pipe. These temperature-regulating metal wires 8 can cover areas that the reinforcing steel bars and temperature-regulating pipe 2 cannot reach, thus enabling faster heat transfer.

[0038] The temperature-regulating metal wire 8 has a spiral or S-shaped structure, allowing it to cover a wider area. In this embodiment, the temperature-regulating metal wire is made of the same material as the reinforcing steel.

[0039] It also includes a solar power generation module, which is electrically connected to the circulation device 3. It can automatically collect heat when there is sunlight, and activate the circulation device 3 when there is a large temperature difference in the concrete pier 1, making it very suitable for areas where electricity is difficult to obtain.

[0040] A construction method for a temperature self-compensation crack control system for concrete piers in high-altitude areas, characterized by the following steps:

[0041] S1: Detect the engineering geological conditions of the construction site, and design the height of the pier, the size of the foundation, and the size and layout of the water circulation pipeline according to the project overview;

[0042] S2: When tying the reinforcing bars for the foundation, install a temperature regulating pipe and expose the end of the temperature regulating pipe 10cm above the concrete wall surface to facilitate connection with the water pump.

[0043] S3: Seal the end of the temperature control pipe to prevent blockage during concrete pouring; then, pour the foundation concrete and cure it.

[0044] S4: During the construction of the pier body, the pre-fabricated steel bars need to be tied on-site. The construction should be carried out in the following order: first tie the vertical main bars and stirrups of the pier body, and then tie the main bars and stirrups of the pier top. The steel bar tying should be carried out simultaneously with the installation of the pier body formwork, and temperature control pipes and temperature sensors should be installed.

[0045] S5: Connect the core and surface temperature-regulating pipes by enlarging the waterproof threaded joint;

[0046] S6: Use methods such as overhead pumps to pour concrete into the pier body, and pay attention to the airtightness of the pipeline system during the pouring process;

[0047] S7: After the bridge pier construction is completed, the water pump and solar power generation components will be installed in the designated positions. After installation, the temperature control pipes of the pier body will be connected to the water pump unit, and the solar power generation components and water pump will be connected by cables.

[0048] In step S4, during the process of tying the pier reinforcement, the core and surface temperature control pipes are laid out according to the design requirements, and temperature sensors are installed; the surface temperature sensor is 5-10cm away from the outer layer of the pier.

[0049] The beneficial effects of this invention are:

[0050] This invention utilizes the thermal energy of the pier core to self-compensate the surface temperature, requiring no additional energy input, resulting in no additional carbon emissions and no environmental pollution. When the temperature difference between the pier core and surface is too large, solar power generation components supply power to the equipment, reducing the temperature difference and significantly improving the crack resistance of piers in high-altitude areas, thus enhancing operational efficiency. Simultaneously, the temperature-regulating pipes are connected to the reinforcing steel bars inside the concrete pier 1, utilizing the heat conduction of the steel bars to quickly and evenly regulate the temperature throughout the concrete pier 1. Example

[0051] Compared to Embodiment 1, this embodiment also includes the following difference: the circulation device 3 uses a circulating water pump to quickly drive the flow of water inside the temperature regulating pipe 2.

[0052] The temperature control device includes a temperature control water tank 5, a hot water tank 4, and a buffer water tank 7. The temperature control water tank 5, the hot water tank 4, and the circulating water pump are connected in series through the temperature control pipe 2. The buffer water tank 7 is connected to the temperature control water tank 5 through a buffer pipe. The buffer pipe is equipped with a bidirectional water pump 6. The outer wall of the buffer water tank 7 is equipped with heat dissipation fins. The hot water tank 4 is equipped with a heating tube.

[0053] When it is necessary to heat or cool down the entire concrete pier 1, the temperature regulating device is activated. Its main working principle is as follows: When heating is required, the hot water tank 4 heats the circulating water, thereby compensating for heat loss inside and outside the concrete pier 1. If the temperature is too high, the hotter water in the circulating pipe can be pumped to the buffer tank 7, reducing the overall heat in the temperature regulating pipe 2 and slowing down the heating process. Alternatively, water from the buffer tank 7 can be added to the temperature regulating tank 5 to lower the water temperature in the temperature regulating pipe 2. When cooling is required, the heating element of the hot water tank 4 is not activated; normal operation of the concrete pier 1 is sufficient for cooling. If further cooling is needed, water from the buffer tank 7 can be pumped to the temperature regulating tank 5 to increase the circulating water volume and achieve a rapid cooling effect.

[0054] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0055] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A construction method for a temperature self-compensation crack control system for concrete piers in high-altitude areas, characterized in that: The system includes a temperature control pipe (2) and a temperature sensor (9); The temperature regulating pipe (2) and temperature sensor (9) are distributed in both the core and surface of the concrete. The two ends of the temperature regulating pipe (2) are connected in series with the circulation device (3) and the temperature regulating device. The temperature regulating pipe (2) is a metal pipe, and the metal pipe is fixed to the steel bars in the concrete respectively; Several temperature-regulating metal wires (8) are fixed to the outer wall of the metal pipe. The circulation device (3) uses a circulating water pump; The temperature control device includes a temperature control water tank (5), a hot water tank (4), and a buffer water tank (7). The temperature control water tank (5), the hot water tank (4), and the circulating water pump are connected in series through the temperature control pipe (2). The buffer water tank (7) is connected to the temperature control water tank (5) through a buffer pipe. The buffer pipe is equipped with a bidirectional water pump (6). The outer wall of the buffer water tank (7) is equipped with heat dissipation fins. The hot water tank (4) is equipped with a heating pipe. The construction method includes the following steps: S1: Detect the engineering geological conditions of the construction site, and design the height of the pier, the size of the foundation, and the size and layout of the water circulation pipeline according to the project overview; S2: When tying the reinforcing bars for the foundation, install a temperature regulating pipe and expose the end of the temperature regulating pipe 10cm above the concrete wall surface to facilitate connection with the water pump. S3: Seal the end of the temperature control pipe to prevent blockage during concrete pouring; then pour the foundation concrete and cure it. S4: During the construction of the pier body, the pre-fabricated steel bars need to be tied on-site. The construction should be carried out in the following order: first tie the vertical main bars and stirrups of the pier body, and then tie the main bars and stirrups of the pier top. The steel bar tying should be carried out simultaneously with the installation of the pier body formwork, and temperature control pipes and temperature sensors should be installed. S5: Connect the core and surface temperature-regulating pipes by enlarging the waterproof threaded joint; S6: Use a super pump to pour concrete for the pier body, and pay attention to the airtightness of the pipeline system during the pouring process; S7: After the bridge pier construction is completed, the water pump and solar power generation components will be installed in the designated positions. After installation, the temperature control pipes of the pier body will be connected to the water pump unit, and the solar power generation components and water pump will be connected by cables.

2. The construction method of the temperature self-compensation crack control system for high-altitude pier concrete according to claim 1, characterized in that: In step S4, during the process of tying the pier reinforcement, the core and surface temperature regulating pipes are laid out according to the design requirements, and temperature sensors are installed; the surface temperature sensor is 5-10cm away from the outer layer of the pier.

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