Cast-in-situ bored pile construction system and method based on GNSS positioning

Abstract

The invention discloses a cast-in-situ bored pile construction system and method based on GNSS positioning, and the system comprises a task operation system which controls a pile machine equipped with a first GNSS receiver to a target position to carry out pile forming operation, and feeds the pile forming operation information back to a cloud data processing system; the task monitoring system comprises a GNSS base station, a second GNSS receiver and an environment monitoring sensor are installed on the GNSS base station, and the GNSS base station is used for monitoring pile forming operation information and surrounding environment information in real time and feeding back the pile forming operation information and the surrounding environment information to the cloud data processing system; and the cloud data processing system analyzes the received data and controls the task operation system to adjust the hole forming position and depth of the pile machine in time. The pile forming condition of the pile machine can be reflected in real time, and the pile forming quality of the cast-in-situ bored pile is improved; the pile machine positioning is more accurate, the influence of the environment is small, the operation process is more intelligent through the cloud data processing system and the task operation system, and the construction efficiency is improved.

Description

Technical Field

[0001] The present invention relates to a bored cast-in-place pile construction system and method, and in particular to a bored cast-in-place pile construction system and method based on GNSS positioning. Background Art

[0002] With the country's vigorous development of infrastructure construction and the rapid development of industrial technology, the design method, manufacturing process, bearing capacity and other aspects of piles have been well developed. Bored piles have the advantages of strong adaptability, simple construction, low noise, high single pile bearing capacity, and good social and economic benefits, so they have been widely used in my country.

[0003] At present, when bored piles are constructed on site, it is necessary to discharge the soil at the pile hole from the ground, remove the sediment in the hole, install and place the steel cage, pour concrete and other construction processes. The entire construction project is relatively complex and belongs to a kind of hidden project with great risks. In the actual construction process, if the construction personnel operate improperly, it is easy to cause quality problems such as hole collapse, pipe jamming, and pile breakage, which will affect the bearing capacity of the pile and the integrity of the pile body, and cause great safety hazards to the project. Therefore, it is necessary to conduct in-depth research on the construction methods and quality control points of bored piles for actual projects. At present, the traditional bored piles have the following problems in the pile formation process: the drilling rig positioning process relies on manual operation. If there is a lack of accurate positioning and monitoring, it is easy to cause pile driver deviation and affect the quality of the project. In addition, the drilling process relies on the machine operator to control the lifting speed of the drill bit in combination with the actual situation of the construction site. The drilling speed cannot be obtained in real time, and the project progress is slow. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a bored pile construction system and method based on GNSS positioning, which can improve the quality and construction efficiency of bored piles; make the pile driver positioning more accurate and less affected by the environment.

[0005] The technical solution adopted by the present invention to solve the above-mentioned technical problems is to provide a bored pile construction system based on GNSS positioning, including a task operating system, which controls a pile driver equipped with a first GNSS receiver to a target position to perform a pile operation, and feeds back the pile operation information to a cloud data processing system; a task monitoring system, including a GNSS base station, on which a second GNSS receiver and an environmental monitoring sensor are installed, which are used to monitor the pile operation information and surrounding environment information in real time, and feed back the information to the cloud data processing system; the cloud data processing system parses the received data and controls the task operating system to timely adjust the drilling position and depth of the pile driver.

[0006] Furthermore, the GNSS receiver is installed on the bored pile driver through a shock absorber, and the pile operation information includes pile spacing, pile driving position, pile driving depth, drilling speed, pipe pulling speed and pile body inclination.

[0007] Furthermore, the environmental monitoring sensor includes an atmospheric temperature and humidity sensor and a wind speed and direction sensor. The GNSS base station is also equipped with a solar panel and a wireless communication module, and the solar panel supplies power to the environmental monitoring sensor and the wireless communication module. The GNSS base station transmits the collected location information, depth information and surrounding environment information of the bored piles to the cloud data processing system through the wireless communication module.

[0008] Furthermore, the interaction mode between the task operating system, the task monitoring system and the cloud data processing system includes Http mode or TCP mode, and the cloud data processing system is a PLC automation control system.

[0009] In order to solve the above technical problems, the present invention also provides a bored pile construction method based on GNSS positioning, which adopts the above bored pile construction system based on GNSS positioning, and the construction method comprises the following steps: step S1: log in to the task operating system through a browser, after successful login, select to create a task in the page, download the pile foundation file template, and fill in the pile foundation information according to the template format; step S2: the bored pile pile driver automatically adjusts the pile frame crane, the turntable center, and the casing center to the same plumb line according to the position information obtained by the first GNSS receiver, and drills the hole after reaching the "three points and one line"; step S3: the cloud data processing system and the task operating system exchange information, and obtain the pile driver user information and the task pile foundation basic information data in real time; step S4: the task monitoring system monitors the pile driver operation information in real time through the GNSS reference station deployed at the construction site, and transmits the information to the cloud data processing system; step S5: the cloud data processing system parses the position information and pile formation information transmitted by the task operating system and the task monitoring system, and compares and judges with the design file, and forms a data processing report when the information is consistent, and adjusts the drill bit direction and displacement in time if it is not consistent.

[0010] Furthermore, the pile foundation file template in step S1 is in xls format; the pile foundation information includes pile area, pile name, coordinates, pile length and pile diameter.

[0011] Furthermore, the first GNSS receiver in step S2 is used to obtain in real time the position data of the pile driver, the initial height ha1 of the pile head, the real-time height ht1, and the time t1 taken for the pile head to drill down to the real-time height ht1; in step S3, after the cloud data processing system obtains the above information interaction, the analysis is performed as follows: the pile depth hc1=ht1-ha1, the drilling speed vt1=(ht1-ha1) / t1 are obtained, and the pile spacing is obtained by shifting the drilling rig.

[0012] Furthermore, the step S3 includes: when the drilling position, depth and speed data obtained by analysis are inconsistent with the design file, the cloud data processing system in step S5 controls the task operating system to correct the drilling position and depth of the bored pile, and feeds back the corrected data to the cloud data processing system.

[0013] Furthermore, the pile driver operation information in step S4 includes location coordinates, atmospheric temperature, humidity, and wind speed and direction.

[0014] Furthermore, it also includes checking the on-site construction progress of the cloud data processing system through the large LED screen, desktop computer or mobile terminal of the monitoring center, and remotely controlling the task operating system to realize the functions of remotely receiving on-site alarms and remotely conducting voice dialogue and command with the site.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the bored pile construction system and method based on GNSS positioning provided by the present invention can reflect the pile driving status in real time and improve the quality of bored pile driving; the pile driving positioning is made more accurate and less affected by the environment; the cloud data processing system and task operating system are used to make the operation process more intelligent and improve the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the bored pile construction system architecture based on GNSS positioning of the present invention; Figure 2 This is a flow chart of the bored pile construction system based on GNSS positioning of the present invention.

[0017] The markings in the figure are: 1. Mission operating system; 2. Mission monitoring system; 3. Cloud data processing system; 11. Pile driver; 12. First GNSS receiver; 13. Shock absorber; 21. GNSS base station; 22. Second GNSS receiver; 23. Environmental monitoring sensor; 24. Wireless communication module; 25. Solar panel. DETAILED DESCRIPTION

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a schematic diagram of the architecture of the bored pile construction system based on GNSS positioning of the present invention.

[0020] See also Figure 1 The bored pile construction system based on GNSS positioning provided by the present invention has the remarkable characteristics of high integration, strong pertinence and high intelligence, and can solve the shortcomings of the above-mentioned background technology. It includes: The task operating system 1 controls a pile driver 11 equipped with a first GNSS receiver 12 to a target location to perform a pile operation, and feeds back pile operation information to a cloud data processing system 2; The task monitoring system 2 includes a GNSS reference station 21, on which a second GNSS receiver 22 and an environmental monitoring sensor 23 are installed, for real-time monitoring of pile operation information and surrounding environment information, and feeding back to the cloud data processing system 3; The cloud data processing system 3 analyzes the received data and controls the task operating system to timely adjust the drilling position and depth of the pile driver 11.

[0021] The present invention requires the deployment of a GNSS reference station 21 and an environmental monitoring sensor 23 at the construction site, and is provided with a solar panel 25, a wireless communication module 24, etc.; the environmental monitoring sensor 23 includes an atmospheric temperature and humidity sensor, and a wind speed and direction sensor. The second GNSS receiver 22 has a built-in high-precision positioning board, which can realize a high-precision positioning function; a built-in 5G module, which can easily realize device networking and transmit data to a remote server; a built-in Bluetooth module, which can realize wireless configuration of data; a built-in storage card, which can realize long-term data storage and backup, is compatible with communication protocols such as MQTT, NTRIP and TCP, and has a variety of wireless communication capabilities. The combination of the wireless communication module 24 and the cloud data processing system 3 can realize remote monitoring and control of the equipment, thereby effectively reducing the economic cost of the monitoring system during the construction and operation stages.

[0022] The present invention connects and installs a first GNSS receiver 12 on the pile driver 1 through a shock absorber 13. The shock absorber 13 can effectively avoid the vibration caused by the operation of the pile driver 11. The first GNSS receiver 12 is used to obtain the position data of the pile driver 11, the initial height ha1 of the pile head, the real-time height ht1, and the time t1 taken for the pile head to drill down to the real-time height ht1 in real time. Further, the data is synchronized to the cloud, and the pile depth hc1=ht1-ha1 and the drilling speed vt1=(ht1-ha1) / t1 are obtained through the data processing and analysis system. Similarly, the pipe pulling speed can be obtained. Further, the pile spacing and other related information are obtained by shifting the drilling rig.

[0023] The task operating system 1 and the task monitoring system 2 of the present invention transmit the collected information such as the pile point location and the pile depth to the cloud data processing system 3 via the mobile 5G signal. The manager can use the wireless mobile network to remotely view the on-site construction progress of the cloud data processing system through different terminals such as the large LED screen, desktop computers, and tablets in the monitoring center. The task operating system can be remotely controlled to realize functions such as remote reception of on-site alarms and remote voice dialogue and command with the site.

[0024] Please continue to see Figure 2 The present invention also provides a construction method of the bored pile construction system using the above GNSS positioning, which specifically includes: Step S1: The task operation step refers to the owner unit user logging into the task operating system through a browser. After successful login, select Create Task on the page, download the pile foundation file template, which is generally in xls format, and fill in the pile foundation information according to the template format, including pile area, pile name, coordinates, pile length, pile diameter and other information; Step S2: The task operation steps include a bored pile driver 11 equipped with a shock absorber 13 connected to a first GNSS receiver 12, which can automatically adjust the pile frame crane, the turntable center, and the casing center to be on the same plumb line according to the position information obtained based on the GNSS positioning technology, so as to achieve "three points in one line" and ensure the accurate positioning of the pile driver and drilling into holes.

[0025] Step S3: the task operating system 1 interacts with the cloud data processing system 3 , that is, the cloud data processing system 3 acquires data such as user information of the pile driver 11 and basic information of the task pile foundation in real time.

[0026] Step S4: The task monitoring step refers to the GNSS reference station 21 that has been deployed at the construction site, which can monitor the pile driver operation information in real time, including location coordinates, atmospheric temperature, humidity, wind speed and direction, etc., and transmit the information to the cloud data processing system.

[0027] Step S5: The cloud data processing system 3 analyzes the location information and pile formation information transmitted by the task operating system 1 and the task monitoring system 2, and compares them with the design documents. If the information is consistent, a data processing report is generated. If not, the drill direction and displacement are adjusted in time.

[0028] In summary, the bored pile construction system and method based on GNSS positioning provided by the present invention can reflect the pile driver's pile construction status in real time and improve the quality of bored pile construction; the pile driver positioning is more accurate and less affected by the environment; the cloud data processing system and task operating system are used to make the operation process more intelligent and improve the construction efficiency.

[0029] Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the definition of the claims.

Claims

1. A bored pile construction system based on GNSS positioning, characterized in that: include: The task operating system controls a pile driver equipped with a first GNSS receiver to a target location to perform a pile-forming operation, and feeds back pile-forming operation information to a cloud data processing system; The task monitoring system includes a GNSS reference station, on which a second GNSS receiver and an environmental monitoring sensor are installed, for real-time monitoring of pile operation information and surrounding environment information, and feeding back to a cloud data processing system; The cloud data processing system analyzes the received data and controls the task operating system to timely adjust the drilling position and depth of the pile driver.

2. The bored pile construction system based on GNSS positioning according to claim 1 is characterized in that: The GNSS receiver is installed on the bored pile driver through a shock absorber, and the pile operation information includes pile spacing, pile driving position, pile driving depth, drilling speed, pipe pulling speed and pile body inclination.

3. The bored pile construction system based on GNSS positioning according to claim 1 is characterized in that: The environmental monitoring sensors include atmospheric temperature and humidity sensors and wind speed and direction sensors. The GNSS base station is also equipped with solar panels and wireless communication modules, and the solar panels power the environmental monitoring sensors and the wireless communication modules. The GNSS base station transmits the collected location information, depth information and surrounding environment information of the bored piles to the cloud data processing system through the wireless communication module.

4. The bored pile construction system based on GNSS positioning according to claim 1 is characterized in that: The interaction mode of the task operating system, the task monitoring system and the cloud data processing system includes Http mode or TCP mode, and the cloud data processing system is a PLC automation control system.

5. A bored pile construction method based on GNSS positioning, characterized in that: Using the bored pile construction system based on GNSS positioning as claimed in claim 1, the construction method comprises the following steps: Step S1: Log in to the task operating system through a browser. After successful login, select Create Task on the page, download the pile foundation file template, and fill in the pile foundation information according to the template format; Step S2: the bored pile driver automatically adjusts the pile frame crane, the center of the turntable and the center of the casing to the same plumb line according to the position information obtained by the first GNSS receiver, and drills the pile into a hole after the "three points are aligned"; Step S3: The cloud data processing system and the task operating system interact with each other to obtain the pile driver user information and the basic information data of the task pile foundation in real time; Step S4: The task monitoring system monitors the pile driver operation information in real time through the GNSS base station deployed at the construction site, and transmits the information to the cloud data processing system; Step S5: The cloud data processing system analyzes the location information and pile formation information transmitted by the task operating system and the task monitoring system, and compares them with the design documents. If the information is consistent, a data processing report is generated. If not, the drill direction and displacement are adjusted in time.

6. The bored pile construction method based on GNSS positioning according to claim 5 is characterized in that: The pile foundation file template in step S1 is in xls format; the pile foundation information includes pile area, pile name, coordinates, pile length and pile diameter.

7. The bored pile construction method based on GNSS positioning according to claim 5 is characterized in that: The first GNSS receiver in step S2 is used to obtain the position data of the pile driver, the initial height ha1 of the pile head, the real-time height ht1 and the time t1 taken for the pile head to drill down to the real-time height ht1 in real time; in step S3, after the cloud data processing system obtains the above information interaction, the analysis and processing are as follows: the pile depth hc1=ht1-ha1, the drilling speed vt1=(ht1-ha1) / t1 are obtained, and the pile spacing is obtained by shifting the drilling rig.

8. The bored pile construction method based on GNSS positioning according to claim 5, characterized in that: The step S3 includes: when the hole position, depth and speed data obtained through analysis are inconsistent with the design file, the cloud data processing system in step S5 controls the task operating system to correct the hole position and depth of the bored pile, and feeds back the corrected data to the cloud data processing system.

9. The bored pile construction method based on GNSS positioning according to claim 5, characterized in that: The pile driver operation information in step S4 includes location coordinates, atmospheric temperature, humidity, and wind speed and direction.

10. The bored pile construction method based on GNSS positioning according to claim 5, characterized in that: It also includes checking the on-site construction progress of the cloud data processing system through the large LED screen, desktop computer or mobile terminal of the monitoring center, and remotely controlling the task operating system to realize the functions of remotely receiving on-site alarms and remotely conducting voice dialogue and command with the site.

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