Intelligent early warning device for settlement deformation of composite foundation and using method

Abstract

The invention relates to the technical field of foundation settlement early warning devices, and discloses an intelligent early warning device for settlement deformation of a composite foundation and a use method.The intelligent early warning device comprises the foundation, a base is installed at the top end of the outer wall of the foundation, a supporting rod is connected to the top end of the outer wall of the base, and a dynamic regulation and control module is connected to the top end of the outer wall of the supporting rod; the dynamic regulation and control module comprises an early warning device arranged on a foundation, the top end of the outer wall of the supporting rod is connected with an early warning processor, a Lora communication protocol module is installed in the early warning processor, a mechanical rod is installed at the top end of the outer wall of the early warning processor, and the top end of the outer wall of the mechanical rod is connected with an alarm lamp. The early warning processor in the dynamic regulation and control module is combined with a Lora communication protocol, multi-source sensor data can be rapidly analyzed, the settlement state is visually fed back in real time by means of a display screen, automatic early warning and dynamic construction regulation and control are achieved, the problems of monitoring lag, data discontinuity and low early warning precision are solved, and the early warning efficiency is improved. And the stability and the uniformity of the foundation are obviously improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of foundation settlement early warning device, in particular to a composite foundation settlement deformation intelligent early warning device and a use method thereof. BACKGROUND

[0002] The composite foundation is widely used in high-rise buildings, bridges and other engineering projects, but its settlement control has always been a technical difficulty in engineering. The traditional settlement compensation method relies on manual experience for judgment, and has problems such as monitoring lag, discontinuous data, low early warning accuracy, etc. The conventional construction lacks real-time settlement data support, which easily leads to insufficient or excessive grouting, causing uneven lifting of the foundation or waste of resources. Moreover, the correlation between soil pressure change and settlement deformation has not been fully quantified, making it difficult to achieve dynamic control. Although the existing sensor technology can locally monitor settlement, it mostly uses wired transmission or short-distance communication, which is easily disturbed in complex construction site environment, has poor data transmission stability, and lacks multi-source data linkage analysis capability, making it difficult to timely warn potential settlement risks.

[0003] For example, Chinese patent CN108458687B discloses a foundation settlement measuring device, which includes a reference disc, a plug rod arranged below the reference disc, a measuring rod installed above the reference disc, a plurality of compression blocks arranged circumferentially in the plug rod, and a drive assembly for controlling the movement of the compression blocks. The generator mounting seat includes a controllable magnetic base and an extension plate arranged on one side of the magnetic base. The extension plate is provided with an adjustable-angle mounting plate, and the laser generator is rotatably installed on the mounting plate. This design realizes fast installation and use in the measurement site, and has small measurement result error and high efficiency.

[0004] Although the above-mentioned patent realizes small measurement result error and high efficiency, there is still room for optimization in real-time detection and settlement compensation.

[0005] Therefore, the present application provides a composite foundation settlement deformation intelligent early warning device which can detect settlement data in real time and implement settlement compensation after early warning. SUMMARY

[0006] The purpose of the present application is to provide a composite foundation settlement deformation intelligent early warning device and a use method thereof, which solves the following technical problems: the traditional settlement compensation method relies on manual experience for judgment, and has problems such as monitoring lag, discontinuous data, low early warning accuracy, etc. The conventional construction lacks real-time settlement data support, which easily leads to insufficient or excessive grouting, causing uneven lifting of the foundation or waste of resources. Moreover, the correlation between soil pressure change and settlement deformation has not been fully quantified, making it difficult to achieve dynamic control. Although the existing sensor technology can locally monitor settlement, it mostly uses wired transmission or short-distance communication, which is easily disturbed in complex construction site environment, has poor data transmission stability, and lacks multi-source data linkage analysis capability, making it difficult to timely warn potential settlement risks.

[0007] The purpose of the application can be realized by the following technical scheme: a composite foundation settlement deformation intelligent early warning device, comprising a foundation, a base is installed at the top of the outer wall of the foundation, a support rod is connected to the top of the outer wall of the base, a dynamic control module is connected to the top of the outer wall of the support rod, the dynamic control module realizes real-time adjustment of the foundation settlement deformation by comparing the displacement fusion amount with the preset threshold value; The dynamic control module includes an early warning device arranged on the foundation, an early warning processor is connected to the top of the outer wall of the support rod, a Lora communication protocol module is installed inside the early warning processor, the Lora communication protocol module is connected with the Lora gateway on the foundation, a mechanical rod is installed on the top of the outer wall of the early warning processor, an alarm lamp is connected to the top of the outer wall of the mechanical rod, a display screen is connected to the front end of the outer wall of the mechanical rod, and the early warning processor calculates the displacement data and displays it on the display screen. The alarm lamp sends an alarm prompt.

[0008] As a further scheme of the application: a Lora wireless transmission module is installed at the top of the outer wall of the foundation, the Lora wireless transmission module includes a plurality of Lora gateways installed at the top of the outer wall of the foundation at four corner positions, a plurality of the Lora gateways include a bottom column installed at the top of the outer wall of the foundation, and a Lora processor is installed at the top of the outer wall of each of the plurality of bottom columns.

[0009] As a further scheme of the application: a plurality of grooves are arranged inside the outer wall of the foundation, a cement pile is connected to the top of the outer wall of the groove at the four corner positions of the foundation, and a grouting pipe is arranged at the top of the outer wall of the cement pile.

[0010] As a further scheme of the application: the Lora gateway is connected with an intelligent sensing module through a Lora communication protocol, the intelligent sensing module includes a laser displacement sensor installed on the outer wall side of the cement pile, the laser displacement sensor includes a base installed on the outer wall side of the cement pile, a connecting rod is installed at the top of the outer wall of the base, a laser processor is installed at the top of the outer wall of the connecting rod, a laser receiver is connected to the front end of the outer wall of the laser processor, a laser transmitter is installed inside the outer wall of the laser receiver, and the laser processor is provided with a Lora communication protocol inside and connected with the nearest gateway.

[0011] As a further scheme of the application: the intelligent sensing module further includes a soil pressure gauge buried in the natural soil layer between the cement piles and having the same depth as the cement piles, the soil pressure gauge includes a first soil pressure gauge, a second soil pressure gauge, a third soil pressure gauge and a fourth soil pressure gauge distributed along the soil layer between the piles, each of the soil pressure gauges includes a protective shell and a sensing plate, and the protective shell is sleeved on the outside of the sensing plate.

[0012] As a further scheme of the present application: one end of the early warning device is connected with a settlement compensation module through a Lora communication protocol module, the settlement compensation module comprises a plurality of grouting machines placed on the outer wall of the foundation, the grouting machine comprises a wheel, a rod is connected to the top end of the outer wall of the wheel, a cement mixing tank is connected to the other end of the outer wall of the rod, a slurry conveying pump is installed on the top end of the outer wall of the cement mixing tank, an adjusting pipe is connected to the slurry outlet of the slurry conveying pump, a conveying pipe is connected to one end of the adjusting pipe, and a telescopic pipe is connected to one end of the conveying pipe.

[0013] As a further scheme of the present application: the settlement compensation module further comprises a controller installed on the top end of the outer wall of the adjusting pipe, and the one end of the telescopic pipe is engaged with a filling pipe.

[0014] As a further scheme of the present application: a Lora communication protocol is arranged inside the protective shell of the soil pressure gauge, and the soil pressure gauge is connected with the nearest gateway.

[0015] As a further scheme of the present application: a vibrating string is arranged at the bottom end of the outer wall of the induction plate, and the vibrating string is connected with the electromagnetic coil.

[0016] The present application also discloses a use method of the composite foundation settlement deformation intelligent early warning device, comprising the following steps: S1, first connect the Lora wireless transmission module with the laser displacement sensor, the soil pressure gauge and the early warning device through the Lora communication protocol, install the laser displacement sensor on the side of the outer wall of the cement pile, emit a laser beam to measure the ground settlement, and bury the soil pressure gauge in the soil between the piles to monitor the change of soil pressure; S2, transmit the detected data to the dynamic control module through the gateway by the intelligent sensing module, process the received data by the early warning processor, fuse the data into a fused displacement amount with weight through a displacement estimation algorithm and a data fusion algorithm, and then compare the fused displacement amount with a preset threshold value by the dynamic control module; S2, according to the comparison result, the dynamic control module decides whether to issue a settlement compensation instruction, when the threshold value is exceeded, the dynamic control module issues an instruction to the settlement compensation module, and the settlement compensation module performs grouting reinforcement on the settlement area after receiving the instruction.

[0017] The present application has the following advantages: (1) The present application realizes real-time monitoring and intelligent early warning of composite foundation settlement deformation by installing a dynamic control module, quickly analyzes multi-source sensor data through the early warning processor in the dynamic control module combined with the Lora communication protocol, and intuitively feeds back the settlement state through a display screen, realizes automatic early warning and dynamic construction control, solves the problems of monitoring lag, discontinuous data and low early warning precision, and significantly improves the stability and uniformity of the foundation.

[0018] (2) The foundation settlement is monitored in high precision and all directions through the intelligent sensing module, the measurement precision reaches micron level through the laser displacement sensor, and the slight settlement of the ground is captured in real time; the change of the soil layer pressure is accurately sensed through the vibrating wire type sensing plate of the soil pressure meter, and reliable data support is provided for settlement compensation.

[0019] (3) The stable transmission of data under complex conditions is realized through the Lora wireless transmission module, the distributed Lora gateway covers the whole field of the foundation, has strong anti-interference ability, supports long-distance low-power communication, solves the problems of easy interference of wired transmission and poor data transmission stability in the complex construction site environment, and improves the system response speed and operation convenience.

[0020] (4) The settlement compensation module is innovatively introduced, and the automation control of settlement compensation construction is realized. The module receives real-time monitoring data instructions, dynamically adjusts the grouting amount and grouting rate, significantly reduces manual intervention, effectively reduces the construction cost, and accurately controls the uneven settlement phenomenon, thereby effectively guaranteeing the long-term uniformity and structural stability of the foundation.

[0021] Additional aspects and advantages of the application will be described in part below, will become apparent from the following description, or will be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0022] The application will be further described below in combination with the drawings.

[0023] Figure 1 is a schematic view of the three-dimensional structure of the application; Figure 2 is a schematic view of the top structure of the application; Figure 3 is a schematic view of the Lora wireless communication module structure of the application; Figure 4 is a schematic view of the early warning device structure of the application; Figure 5 is a schematic view of the laser displacement sensor structure of the application; Figure 6 is a schematic view of the grouting machine structure of the application; Figure 7 is a schematic view of the soil pressure meter structure of the application; Figure 8 is a schematic view of the filling pipe of the application.

[0024] In the figure: 1, foundation; 2, base; 3, support rod; 4, early warning processor; 5, mechanical rod; 6, alarm light; 7, display screen; 8, groove; 9, cement pile; 10, grouting pipe; 11, wheel; 12, car rod; 13, cement mixing tank; 14, grouting pump; 15, adjusting pipe; 16, controller; 17, conveying pipe; 18, telescopic pipe; 19, grouting machine; 20, first Lora gateway; 21, laser displacement sensor; 22, early warning device; 23, filling pipe; 24, bottom column; 25, Lora processor; 26, base; 27, connecting rod; 28, laser processor; 29, laser receiver; 30, laser transmitter; 31, first soil pressure gauge; 32, second soil pressure gauge; 33, third soil pressure gauge; 34, fourth soil pressure gauge; 35, protective shell; 36, induction plate; 37, second Lora gateway; 38, third Lora gateway; 39, fourth Lora gateway. DETAILED DESCRIPTION

[0025] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar symbols represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as limiting the present application.

[0026] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0027] In the technical field of foundation settlement early warning device, the detection data of the composite foundation settlement deformation intelligent early warning device is lagging and discontinuous, which has a significant impact on the uniformity of the foundation and resource conservation. The composite foundation settlement deformation intelligent early warning device and the use method provided by the present application solve the technical problems of monitoring lag, discontinuous data and low early warning precision in traditional compensation technology, and realize real-time detection and settlement compensation through innovative design. The specific implementation manner is as follows: Embodiment one: please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4The application provides an embodiment of a composite foundation settlement and deformation intelligent early warning device and a use method, wherein an Lora wireless transmission module is installed at the top end of the outer wall of the foundation 1; the Lora wireless transmission module comprises a plurality of Lora gateways installed at the positions of the four corners of the top end of the outer wall of the foundation 1, and in the embodiment, the number of the Lora gateways is four, which are a first Lora gateway 20, a second Lora gateway 37, a third Lora gateway 38 and a fourth Lora gateway 39; The plurality of Lora gateways each comprise a bottom column 24 installed at the top end of the outer wall of the foundation 1, and a Lora processor 25 is installed at the top end of the outer wall of the bottom column 24; the gateway is connected with an intelligent sensing module through a Lora communication protocol; the intelligent sensing module comprises a laser displacement sensor 21, a first soil pressure gauge 31, a second soil pressure gauge 32, a third soil pressure gauge 33 and a fourth soil pressure gauge 34; A Lora communication protocol is built in a laser processor 28 in the laser displacement sensor 21 and is connected with the nearest gateway, and a Lora communication protocol is arranged in the protective shell 35 of the soil pressure gauge and is connected with the nearest gateway; the outer wall side of the cement pile 9 is provided with the laser displacement sensor 21; The laser displacement sensor 21 comprises a base 26, a connecting rod 27, the laser processor 28, a laser receiver 29 and a laser emitter 30; The outer wall side of the cement pile 9 is provided with the base 26, the top end of the outer wall of the base 26 is provided with the connecting rod 27, the top end of the outer wall of the connecting rod 27 is provided with the laser processor 28, the front end of the outer wall of the laser processor 28 is connected with the laser receiver 29, and the inner wall of the laser receiver 29 is provided with the laser emitter 30; Further, the top end of the outer wall of the foundation 1 provides a mounting position for the bottom column 24, the top end of the outer wall of the bottom column 24 is provided with the Lora processor 25, four Lora gateways are arranged at the four corners of the foundation 1 to form a wireless network covering the whole area, the Lora communication protocols built in the four laser processors 28 are connected with the nearest gateways, the cement pile 9 is poured on the groove 8, the outer wall side of the cement pile 9 provides a mounting position for the base 26, the base 26 plays a fixing role, the top end of the outer wall of the connecting rod 27 provides a mounting position for the laser processor 28, the laser processor 28 receives the data returned by the laser receiver 29, the laser receiver 29 receives the returned laser, and the laser emitter 30 emits laser to the measured object; The natural soil layer between the cement piles 9 is buried with a soil pressure gauge with the same depth as the cement piles 9, and a filling pipe 23 is buried beside the cement piles 9, the filling pipe 23 is deep into the underground natural soil layer of the cement piles 9, the Lora communication protocol in the soil pressure gauge is connected to the nearest communication gateway, the Lora communication protocol in the early warning processor 4 is connected to the Lora gateway on the foundation 1 to establish a communication link, the controller 16 in the settlement compensation module is installed with the Lora protocol, the controller 16 is connected to the early warning processor 4 through the Lora communication protocol, and the Lora wireless transmission module is connected to the dynamic control module and the intelligent sensing module to complete the connection, and then the construction site starts construction.

[0028] Embodiment two: please refer to Figure 1 、 Figure 5 、 Figure 7 and Figure 8 , the present application provides an embodiment: a composite foundation settlement and deformation intelligent early warning device and a using method, the gateway is connected with the intelligent sensing module through the Lora communication protocol; the intelligent sensing module comprises: a laser displacement sensor 21, a first soil pressure gauge 31, a second soil pressure gauge 32, a third soil pressure gauge 33 and a fourth soil pressure gauge 34; The Lora communication protocol is built in the laser processor 28 in the laser displacement sensor 21 and is connected to the nearest gateway, and the Lora communication protocol is arranged in the protective shell 35 of the soil pressure gauge and is connected to the nearest gateway; The laser displacement sensor 21 is installed on the side of the outer wall of the cement pile 9; the laser displacement sensor 21 comprises: a base 26, a connecting rod 27, a laser processor 28, a laser receiver 29 and a laser emitter 30; the base 26 is installed on the side of the outer wall of the cement pile 9, the connecting rod 27 is installed on the top of the outer wall of the base 26, the laser processor 28 is installed on the top of the outer wall of the connecting rod 27, the laser receiver 29 is connected to the front end of the outer wall of the laser processor 28, and the laser emitter 30 is installed in the inner wall of the laser receiver 29; The natural soil layer between the cement piles 9 is buried with a soil pressure gauge with the same depth as the cement piles 9; the soil pressure gauge comprises: a protective shell 35 and a sensing plate 36; the first soil pressure gauge 31, the second soil pressure gauge 32, the third soil pressure gauge 33 and the fourth soil pressure gauge 34 are respectively buried in the soil layer between each pile, the laser processor 28 of the laser displacement sensor 21 is built in the laser echo analysis method, the laser echo analysis method is that the laser emitter 30 emits millions of pulses per second, and the distance is calculated by measuring the time difference of laser round trip, and the vibration string is arranged at the bottom of the outer wall of the sensing plate 36 of the soil pressure gauge and is connected to the electromagnetic coil; Further, the laser emitter 30 emits laser to the surface of the foundation 1, high-density sampling is carried out through millions of pulses per second, the laser is reflected after encountering the monitoring surface, and is transmitted back to the laser receiver 29; the laser receiver 29 transmits the laser signal to the laser processor 28; the laser processor 28 is provided with a laser echo analysis method; the laser echo analysis method calculates the distance by measuring the round-trip time difference of the laser; Formula: c is the speed of light, and △t is the round-trip time of the pulse; After the laser processor 28 calculates the distance, the laser processor 28 is connected with the nearest gateway through a Lora communication protocol, data is uploaded to the gateway, the Lora processor 25 in the gateway stores the received data, and when the early warning processor 4 accesses the gateway through the Lora communication protocol, the Lora processor 25 transmits the data to the early warning processor 4; A soil pressure cell is embedded in the soil layer between each pile, the depth of the soil pressure cell is consistent with the underground depth of the cement pile 9, a protective shell 35 is arranged to protect the soil pressure cell from deformation, an induction plate 36 is arranged at the top of the outer wall of the protective shell 35 and deforms with the change of soil stress, and a vibrating string is arranged at the bottom of the induction plate 36; when the induction plate 36 deforms, the tension of the vibrating string changes; after the tension of the vibrating string changes, the electromagnetic coil detects the change of the tension of the vibrating string, and the frequency of the electromagnetic coil also changes; Frequency formula: ; f: the vibration frequency of the vibrating string; L: the effective length of the vibrating string; T: the tension of the vibrating string; μ: the linear density of the vibrating string; After the soil pressure cell calculates the change of the frequency, the soil pressure cell is connected with the nearest gateway through a Lora communication protocol, data is uploaded to the gateway, the Lora processor 25 in the gateway stores the received frequency data, and when the early warning processor 4 accesses the gateway through the Lora communication protocol, the Lora processor 25 transmits the stored frequency data to the early warning processor 4.

[0029] Embodiment three: please refer to Figure 1 、 Figure 4 、 Figure 5 and Figure 7 , the present application provides an embodiment: a composite foundation settlement and deformation intelligent early warning device and a use method, a base 2 is arranged at the top of the outer wall of the foundation 1, a supporting rod 3 is connected to the top of the outer wall of the base 2, and a dynamic regulation and control module is connected to the top of the outer wall of the supporting rod 3; The dynamic regulation and control module comprises an early warning device 22, an early warning processor 4, a mechanical rod 5, an alarm lamp 6 and a display screen 7; The support rod 3 is connected with a warning processor 4 at the top end of the outer wall, the warning processor 4 is internally provided with a Lora communication protocol module, the Lora communication protocol is connected with a Lora gateway on the ground base 1, a mechanical rod 5 is installed at the top end of the outer wall of the warning processor 4, a warning light 6 is connected with the mechanical rod 5 at the top end of the outer wall, and a display screen 7 is connected with the mechanical rod 5 at the front end of the outer wall; and a Lora wireless transmission module is installed at the top end of the outer wall of the ground base 1; The Lora wireless transmission module comprises a first Lora gateway 20, a second Lora gateway 37, a third Lora gateway 38, a fourth Lora gateway 39, a bottom column 24 and a Lora processor 25; the bottom column 24 is installed at the top end of the outer wall of the ground base 1, and the Lora processor 25 is installed at the top end of the outer wall of the bottom column 24; Further, the ground base 1 provides a mounting position for the base 2, the base 2 plays a fixing role, the base 2 is connected with the support rod 3 at the top end of the outer wall, the support rod 3 provides a mounting position for a dynamic control module, the warning processor 4 is connected with the warning light 6 through the mechanical rod 5, and the warning processor 4 is connected with the display screen 7 through the mechanical rod 5; When the warning processor 4 accesses the gateway through the Lora communication protocol, the gateway transmits the laser displacement and pressure frequency change data detected by the intelligent sensing module to the warning processor 4, the warning processor 4 comprises a displacement estimation algorithm and a data fusion algorithm; The displacement estimation algorithm is to convert the frequency change detected by the pressure gauge into pressure change and then into displacement estimation; Frequency-pressure conversion: ; f0: initial frequency without load; f: current frequency; K: calibration coefficient; After the data is converted into pressure, displacement estimation is performed; Displacement estimation formula: ; δ: soil compression displacement; d: equivalent diameter of soil action range; E: soil elastic modulus; V: Poisson's ratio; After the estimated displacement of the pressure gauge is calculated, the data is transmitted to the data fusion algorithm, and the data fusion algorithm is to calculate the laser displacement and the pressure estimation respectively by assigning weights; Calculation formula: ; δ L : laser displacement; δ P : pressure gauge estimated displacement; w L : laser displacement weight; wP : pressure gauge estimated displacement weight; After the displacement fusion amount is calculated by the early warning processor 4, the laser displacement amount, the pressure estimated displacement amount and the displacement fusion amount are displayed on the display screen 7, and then the displacement fusion amount is compared with the preset threshold value, the preset threshold value is 50mm, when the displacement fusion amount is greater than 40mm and less than 50mm, the warning light 6 flashes yellow, when the displacement fusion amount is greater than 50mm, the warning light 6 flashes red; When the warning light 6 flashes yellow, the early warning processor 4 sends instruction 1 to the controller 16 through the Lora communication protocol, the instruction 1 is to reduce the grouting amount and reduce the grouting rate; when the warning light 6 flashes red, the early warning processor 4 sends instruction 2 to the controller 16 through the Lora communication protocol, the instruction 2 is to start the settlement compensation.

[0030] Example four: please refer to Figure 1 and Figure 6 , the application provides an embodiment: a composite foundation settlement deformation intelligent early warning device and a use method, four grouting machines 19 are placed on the outer wall of the foundation 1, and the grouting machines 19 are respectively placed in front of the cement piles 9; The grouting machine 19 comprises wheels 11, a rod 12, a cement mixing tank 13, a slurry pump 14, an adjusting pipe 15, a conveying pipe 17 and an extension pipe 18. The outer wall top end of the wheel 11 is connected with the rod 12, the outer wall other end of the rod 12 is connected with the cement mixing tank 13, the outer wall top end of the cement mixing tank 13 is provided with the slurry pump 14, the slurry outlet of the slurry pump 14 is connected with the adjusting pipe 15, the adjusting pipe 15 is connected with the conveying pipe 17, and the conveying pipe 17 is connected with the extension pipe 18. Further, the wheel 11 moves the grouting machine 19 between the cement pile 9 and the filling pipe 23, the rod 12 is connected with the wheel 11, the cement mixing tank 13 is filled with cement material to obtain cement slurry, the cement mixing tank 13 is provided with a slurry inlet pipe, the other end of the slurry inlet pipe is connected with the slurry pump 14, the slurry pump 14 is installed at the outer wall top end of the cement mixing tank 13, the slurry outlet of the slurry pump 14 is connected with the adjusting pipe 15, the adjusting pipe 15 is provided with a valve port in the inner wall, the valve port can adjust the slurry output, the controller 16 is installed at the outer wall top end of the adjusting pipe 15, and the controller 16 is connected with the early warning processor 4 through the Lora communication protocol. The adjusting pipe 15 inputs the slurry into the conveying pipe 17 by adjusting the slurry output, the conveying pipe 17 is engaged with the extension pipe 18, and the extension pipe 18 conveys the slurry to the cement pile 9 through the grouting pipe 10.

[0031] Example five: please refer to Figure 1 , Figure 2 , Figure 6 and Figure 8The application provides an embodiment of a composite foundation settlement deformation intelligent early warning device and a use method, four grouting machines 19 are arranged on the outer wall of the foundation 1, and the grouting machines 19 are respectively arranged in front of the cement piles 9; The grouting machine 19 comprises wheels 11, a rod 12, a cement stirring tank 13, a grout conveying pump 14, an adjusting pipe 15, a conveying pipe 17 and an extension pipe 18. The rod 12 is connected to the top of the outer wall of the wheel 11, the other end of the outer wall of the rod 12 is connected to the cement stirring tank 13, the grout conveying pump 14 is arranged at the top of the outer wall of the cement stirring tank 13, the grout conveying pump 14 is connected to the adjusting pipe 15, the adjusting pipe 15 is connected to the conveying pipe 17, and the conveying pipe 17 is connected to the extension pipe 18. The early warning device 22 is connected to the settlement compensation module through a Lora communication protocol; the settlement compensation module comprises the grouting machine 19, a controller 16 and a filling pipe 23. When the settlement compensation module is started, the early warning device 22 sends an instruction to the controller 16, the controller 16 is arranged at the top of the outer wall of the adjusting pipe 15 of the grouting machine 19, after the controller 16 receives the instruction, the grouting machine 19 stops grouting, and the grouting machine 19 is moved through the wheels 11, so that the extension pipe 18 is engaged with the filling pipe 23. Further, the controller 16 is connected to the early warning processor 4 through the Lora communication protocol, when the controller 16 receives the instruction 1 sent by the early warning processor 4, the controller 16 controls the valve port in the adjusting pipe 15, the input amount of the slurry is reduced by reducing the valve port, at the same time, the controller 16 is connected to the grout conveying pump 14 through a line attached to the adjusting pipe 15, the speed of the motor in the grout conveying pump 14 is controlled, the output speed of the slurry is reduced, until the regional settlement amount is below the yellow early warning threshold, at the same time, the early warning light on the early warning device 22 stops yellow flashing and returns to normal, thereby effectively solving the problems of monitoring lag, discontinuous data and low early warning precision, and significantly improving the stability and uniformity of the foundation 1. When the controller 16 receives the instruction 2 sent by the early warning processor 4, the controller 16 controls the motor in the grout conveying pump 14 to stop rotating, then controls the valve port in the adjusting pipe 15 to be closed, the grouting machine 19 is moved to the front of the filling pipe 23 through the wheels 11, when the extension pipe 18 and the filling pipe 23 are aligned, the controller 16 controls the extension pipe 18 to be elongated downward until the extension pipe 18 is engaged with the filling pipe 23, then the controller 16 controls the valve port in the adjusting pipe 15, after the valve port is opened, the controller 16 controls the motor in the grout conveying pump 14 to be started, the slurry in the cement stirring tank 13 is conveyed into the filling pipe 23, the slurry is transported into the natural soil layer at the bottom of the cement pile 9 in the filling pipe 23, the foundation 1 is filled, until the regional settlement amount is below the yellow early warning threshold, at the same time, the early warning light on the early warning device 22 stops red flashing and returns to normal.

[0032] In summary, the working principle of the present application is as follows: firstly, the Lora wireless transmission module is connected with the laser displacement sensor 21, the soil pressure gauge and the early warning device 22 through the Lora communication protocol, the laser displacement sensor 21 is installed on the outer wall side of the cement pile 9, and a laser beam is emitted to measure the ground settlement, the soil pressure gauge is buried in the soil between the piles to monitor the change of soil pressure; Then the intelligent sensing module transmits the detected data to the dynamic control module through the gateway, the early warning processor 4 in the dynamic control module processes the laser displacement data and the pressure data, and fuses the data into a fused displacement amount with weight through a displacement estimation method and a data fusion algorithm;Then the dynamic control module compares the fused displacement amount with the preset threshold value; Finally, according to the comparison result, the dynamic control module decides whether to issue a settlement compensation instruction, when the threshold value is exceeded, the dynamic control module issues an instruction to the settlement compensation module, and the settlement compensation module receives the instruction and grouts and reinforces the settlement area.

[0033] The present application can quickly analyze multi-source sensor data through the early warning processor 4 in the dynamic control module combined with the Lora communication protocol, and intuitively feedback the settlement state through the display screen 7, realize automatic early warning and dynamic construction control, solve the problems of monitoring lag, discontinuous data and low early warning precision, significantly improve the stability and uniformity of the foundation 1, dynamically adjust the grouting amount and grouting rate through the settlement compensation module, significantly reduce the manual intervention, effectively reduce the construction cost, and accurately control the uneven settlement phenomenon, thereby effectively guaranteeing the long-term uniformity and structural stability of the foundation 1.

[0034] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A composite foundation settlement and deformation intelligent early warning device, comprising a foundation (1), characterized in that, A base (2) is installed at the top of the outer wall of the foundation (1), and a support rod (3) is connected to the top of the outer wall of the base (2). A dynamic control module is connected to the top of the outer wall of the support rod (3). The dynamic control module realizes real-time adjustment of the settlement deformation of the foundation (1) by comparing the displacement fusion amount with a preset threshold. The dynamic control module includes an early warning device (22) installed on the foundation (1), an early warning processor (4) connected to the top of the outer wall of the support rod (3), a Lora communication protocol module installed inside the early warning processor (4), the Lora communication protocol module being connected to the Lora gateway on the foundation (1), a mechanical rod (5) installed at the top of the outer wall of the early warning processor (4), an alarm light (6) connected to the top of the outer wall of the mechanical rod (5), and a display screen (7) connected to the front end of the outer wall of the mechanical rod (5). The early warning processor (4) calculates displacement data and displays it on the display screen (7), and issues an alarm prompt through the alarm light (6).

2. The intelligent early warning device for composite foundation settlement and deformation according to claim 1, characterized in that, A Lora wireless transmission module is installed at the top of the outer wall of the foundation (1). The Lora wireless transmission module includes multiple Lora gateways installed at the four corners of the top of the outer wall of the foundation (1). Each of the multiple Lora gateways includes a base column (24) installed at the top of the outer wall of the foundation (1). A Lora processor (25) is installed at the top of the outer wall of each of the multiple base columns (24).

3. The intelligent early warning device for composite foundation settlement and deformation according to claim 1, characterized in that, Multiple trenches (8) are provided inside the outer wall of the foundation (1). Cement piles (9) are connected to the top of the outer wall of the trenches (8) at the four corners of the foundation (1). Grouting pipes (10) are provided at the top of the outer wall of the cement piles (9).

4. The intelligent early warning device for composite foundation settlement and deformation according to claim 3, characterized in that, The Lora gateway is connected to an intelligent sensing module via the Lora communication protocol. The intelligent sensing module includes a laser displacement sensor (21) installed on the outer side of the cement pile (9). The laser displacement sensor (21) includes a base (26) installed on the outer side of the cement pile (9). A connecting rod (27) is installed at the top of the outer wall of the base (26). A laser processor (28) is installed at the top of the outer wall of the connecting rod (27). A laser receiver (29) is connected to the front end of the outer wall of the laser processor (28). A laser emitter (30) is installed inside the outer wall of the laser receiver (29). The laser processor (28) is equipped with the Lora communication protocol and is connected to the nearest gateway.

5. The intelligent early warning device for composite foundation settlement and deformation according to claim 4, characterized in that, The intelligent sensing module also includes earth pressure gauges buried in the natural soil layer between the cement piles (9) at the same depth as the cement piles (9). The earth pressure gauges include a first earth pressure gauge (31), a second earth pressure gauge (32), a third earth pressure gauge (33), and a fourth earth pressure gauge (34) distributed along the soil layer between the piles. Each earth pressure gauge includes a protective shell (35) and a sensing plate (36). The protective shell (35) is sleeved on the outside of the sensing plate (36).

6. The intelligent early warning device for composite foundation settlement and deformation according to claim 1, characterized in that, One end of the early warning device (22) is connected to a settlement compensation module via a Lora communication protocol module. The settlement compensation module includes multiple grouting machines (19) placed on the outer wall of the foundation (1). Each grouting machine (19) includes a wheel (11). The top of the outer wall of the wheel (11) is connected to a pole (12). The other end of the outer wall of the pole (12) is connected to a cement mixing tank (13). The top of the outer wall of the cement mixing tank (13) is equipped with a grout pump (14). The outlet of the grout pump (14) is connected to an regulating pipe (15). One end of the regulating pipe (15) is connected to a conveying pipe (17). One end of the conveying pipe (17) is connected to a telescopic pipe (18).

7. The intelligent early warning device for composite foundation settlement and deformation according to claim 6, characterized in that, The settlement compensation module also includes a controller (16) installed at the top of the outer wall of the regulating pipe (15), and a filling pipe (23) is engaged and connected at one end of the telescopic pipe (18).

8. The intelligent early warning device for composite foundation settlement and deformation according to claim 5, characterized in that, The protective housing (35) of the earth pressure gauge is equipped with the Lora communication protocol and is connected to the nearest gateway.

9. The intelligent early warning device for composite foundation settlement and deformation according to claim 5, characterized in that, The bottom of the outer wall of the induction plate (36) is provided with a vibrating string, which is connected to the electromagnetic coil.

10. The method of using the intelligent early warning device for composite foundation settlement and deformation according to claim 1, characterized in that, Includes the following steps: S1. First, connect the Lora wireless transmission module to the laser displacement sensor (21), earth pressure gauge and early warning device (22) through the Lora communication protocol. The laser displacement sensor (21) is installed on the side of the outer wall of the cement pile (9) and emits a laser beam to measure the ground settlement. The earth pressure gauge is buried in the soil between the piles to monitor the change of earth pressure. S2. The intelligent sensing module transmits the detected data to the dynamic control module through the gateway. The early warning processor (4) processes the received data and fuses the data into a weighted fused displacement through displacement estimation and data fusion algorithm. Then the dynamic control module compares the fused displacement with the preset threshold. S2. Based on the comparison results, the dynamic control module decides whether to issue a settlement compensation command. When the threshold is exceeded, the dynamic control module issues a command to the settlement compensation module. After receiving the command, the settlement compensation module grouts and reinforces the settled area.

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