CN115142394A - Deformation monitoring and early warning method for high fill and soft foundation engineering - Google Patents

Abstract

The present application discloses a deformation monitoring and early warning method for high fill and soft foundation engineering, which belongs to the technical field of foundation detection and includes steps: S1. Prepare a foundation settlement monitor, wherein the foundation settlement monitor includes a A fixed box, a detection rod perforated on the fixed box, a rotating member fixed on the side wall of the foundation pile foundation, and a monitoring and early warning assembly arranged in the fixed box, the detection rod is away from the fixed box at one end and the The rotating parts are connected in rotation, and the monitoring and early warning component is used to detect the rotation angle of the detection rod to calculate the settlement of the pile foundation and issue an early warning; S2, arranging the fixed box, so that the ground clearance of the building and the distance between the fixed box and the pile foundation to be detected are Consistent; S3, install the rotating part, open a hole in the side wall of the pile foundation, insert the rotating part in the hole of the pile foundation, and then pour concrete to fix the rotating part; S4, wireless monitoring, monitor the settlement of the pile foundation through wireless transmission technology. The present application has the effect of monitoring foundation settlement.

Description

Deformation monitoring and early warning method for high fill and soft foundation engineering

technical field

The present application relates to the technical field of foundation monitoring, and more particularly, to a deformation monitoring and early warning method for high fill and soft foundation engineering.

Background technique

High fill refers to the backfill piled on the ground. The accumulation of a large amount of high fill will easily cause the foundation settlement of the surrounding houses and buildings, thereby causing the deformation of the foundation foundation. However, the land geology of the soft foundation project is relatively soft. After the house is built and used for a long time, the problem of foundation settlement is also prone to occur, which will cause foundation deformation, which has certain hidden dangers to the safety of the building.

Therefore, a basic deformation monitoring and early warning method is urgently needed to detect the deformation of the foundation settlement and ensure the safety of the building.

SUMMARY OF THE INVENTION

In order to monitor foundation settlement, the present application provides a deformation monitoring and early warning method for high fill and soft foundation engineering.

The deformation monitoring and early warning method for high fill and soft foundation engineering provided by this application adopts the following technical solutions:

The deformation monitoring and early warning method for high fill and soft foundation engineering includes the following steps:

S1. Prepare a foundation settlement monitor. The foundation settlement monitor includes a fixed box arranged on the ground of the foundation foundation, a detection rod passed through the fixed box, a rotating member fixed on the side wall of the foundation pile foundation, and a set of a monitoring and early warning component in the fixed box, the end of the detection rod away from the fixed box is rotatably connected to the rotating member, and the monitoring and early warning component is used to detect the rotation angle of the detection rod to calculate the settlement of the pile foundation and issue an early warning;

S2. Arrange the fixed box so that the ground clearance of the building is consistent with the distance between the fixed box and the pile foundation to be tested;

S3. Install the rotating part, open a hole in the side wall of the pile foundation, insert the rotating part into the hole of the pile foundation, and then pour concrete to fix the rotating part;

S4, wireless monitoring, monitoring pile foundation settlement through wireless transmission technology.

Through the above technical solution, when the ground foundation settles, the pile foundation sinks relative to the ground. At this time, the detection rod rotates relative to the fixed box with the settlement of the pile foundation. The monitoring and early warning component monitors the rotation angle of the detection rod, and compares and calculates the pile. The settlement of the foundation can be monitored to monitor the settlement of the foundation, which is beneficial to ensure the safety of the building.

Further, a vertically arranged fixing rod is fixed on the inner bottom surface of the fixing box, a first transmission long slot is opened on the end of the detection rod passing through the fixing box, and the side wall of the fixing rod is fixed with a piercing hole. A sliding round block arranged in the first transmission long groove, the first transmission long groove extends along the length direction of the detection rod, and the sliding round block is slidingly matched with the inner wall of the first transmission long groove ; The inner side wall of the fixed box is provided with a detection groove extending in the vertical direction, and a detection target block is slidably installed in the detection groove, and a second transmission long groove is also opened on the detection rod. The detection target block side The wall is fixed with a transmission round block that penetrates into the second transmission long groove; the monitoring and early warning component includes a distance sensor fixed on the inner bottom surface of the detection groove, a distance sensor fixed on the inner side wall of the fixed box The controller and the wireless transmitting module fixed in the fixed box, the distance sensor, the controller and the wireless transmitting module are electrically connected in sequence, and the wireless transmitting module is wirelessly connected with the ground monitoring center; the detection of the distance sensor The end is upward, used to detect the height position of the detection target block; the controller is used to receive the height signal of the detection target block transmitted from the distance sensor, compare and calculate the settlement of the pile foundation, and transmit the height data signal through the wireless The transmitter module wirelessly transmits to the ground monitoring center.

Through the above technical solution, when the pile foundation sinks, the rotating member drives the detection rod to rotate, so that the detection rod drives the detection target block to move down. At this time, the distance sensor detects that the detection target block moves down, and sends a signal to the controller to control the The sensor calculates the pile foundation settlement by comparing the distance sensor signals and sends the signal to the wireless transmitter module, and the wireless transmitter module sends the signal to the ground monitoring center, so that the ground monitoring center can detect the pile foundation settlement in real time.

Further, a waist-shaped groove extending in the vertical direction is provided on the side wall of the fixing box close to the pile foundation, the detection rod is passed through the waist-shaped groove on the fixing box, and the fixing box is A water-proof jacket is bonded between the side wall and the side wall of the fixing box, and the waist-shaped groove and the detection rod are both arranged in the water-proof jacket.

Through the above technical solutions, data fluctuations caused by the influence of external wind in the fixed box are prevented.

To sum up, the present application includes at least one of the following beneficial technical effects:

(1) When the foundation settles, the pile foundation sinks relative to the ground. At this time, the detection rod rotates relative to the fixed box with the settlement of the pile foundation. Settlement amount, so as to monitor the settlement of the foundation, which is beneficial to ensure the safety of the building;

(2) When the pile foundation sinks, the rotating part drives the detection rod to rotate, so that the detection rod drives the detection target block to move down. At this time, the distance sensor detects the detection target block to move down, and sends a signal to the controller. The distance sensor signal compares and calculates the settlement of the pile foundation and sends the signal to the wireless transmission module, and the wireless transmission module sends the signal to the ground monitoring center, so that the ground monitoring center can detect the settlement of the pile foundation in real time.

Description of drawings

Fig. 1 is the step schematic diagram of the deformation monitoring and early warning method used for high fill and soft foundation engineering;

Figure 2 is a schematic structural diagram of a foundation settlement monitor;

Figure 3 is a schematic diagram of the internal structure of the fixed box.

Description of the labels in the figure:

1. Fixed box; 11. Fixed rod; 12. Sliding round block; 13. Detection slot; 14. Detection target block; 15. Transmission round block; 2. Detection rod; 21. First transmission long slot; 22, Second 3. Rotating parts; 4. Monitoring and warning components; 41. Distance sensor; 42. Controller; 43. Wireless transmitting module; 5. Waterproof jacket.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The embodiments in the present application and all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the orientations shown in the accompanying drawings Or the positional relationship is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as " Connection", which can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal connection between two components. of connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The present application will be further described in detail below in conjunction with accompanying drawings 1-3.

The embodiment of the present application discloses a deformation monitoring and early warning method for high fill and soft foundation engineering, please refer to FIG. 1 , including the following steps:

S1. Prepare the foundation settlement monitor. As shown in Figure 2, the foundation settlement monitor includes a fixed box 1 arranged on the ground of the foundation foundation, a detection rod 2 passed through the fixed box 1, and fixed on the side wall of the foundation pile foundation. The rotating member 3 and the monitoring and early warning assembly 4 arranged in the fixed box 1, the end of the detection rod 2 away from the fixed box 1 is rotatably connected with the rotating member 3, and the monitoring and early warning assembly 4 is used to detect the rotation angle of the detection rod 2 to calculate the pile foundation. subsidence and issue an early warning;

Referring to FIG. 3 , in order to enhance the understanding of those skilled in the art, the above-mentioned foundation settlement monitor is further described. A vertically arranged fixing rod 11 is fixed on the inner bottom surface of the fixing box 1, the end of the detection rod 2 passing through the fixing box 1 is provided with a first transmission long groove 21, and the side wall of the fixing rod 11 is fixed with a first transmission slot 21. A sliding block 12 in the long transmission groove 21, the first long transmission groove 21 extends along the length direction of the detection rod 2, and the sliding block 12 is slidingly matched with the inner wall of the first long transmission groove 21; the inner side wall of the fixed box 1 is provided with There is a detection slot 13 extending in the vertical direction, a detection target block 14 is slidably installed in the detection slot 13, and a second transmission long slot 22 is also opened on the detection rod 2. Two transmission blocks 15 in the long transmission groove 22; the monitoring and early warning assembly 4 includes a distance sensor 41 fixed on the inner bottom surface of the detection groove 13, a controller 42 fixed on the inner side wall of the fixed box 1, and a controller 42 fixed in the fixed box 1. The wireless transmitting module 43, the distance sensor 41, the controller 42 and the wireless transmitting module 43 are electrically connected in turn, and the wireless transmitting module 43 is wirelessly connected with the ground monitoring center; Height position; the controller 42 is used to receive the height signal of the detection target block 14 transmitted by the distance sensor 41 to compare and calculate the settlement of the pile foundation, and wirelessly transmit the height data signal to the ground monitoring center through the wireless transmission module 43 . The side wall of the fixing box 1 close to the pile foundation is provided with a waist-shaped groove extending in the vertical direction. A water blocking jacket 5 is bonded between the two, and both the waist-shaped groove and the detection rod 2 are arranged in the water blocking jacket 5 .

S2. Arrange the fixed box 1 so that the ground clearance of the building is consistent with the distance between the fixed box 1 and the pile foundation to be tested;

S3. Install the rotating member 3, open a hole in the side wall of the pile foundation, insert the rotating member 3 in the hole of the pile foundation, and then pour concrete to fix the rotating member 3;

S4, wireless monitoring, monitoring pile foundation settlement through wireless transmission technology.

The implementation principle of the deformation monitoring and early warning method for high fill and soft foundation engineering in the embodiment of the present application is as follows: when the ground foundation settles, the pile foundation sinks relative to the ground, and at this time, the detection rod 2 moves relative to the ground along with the settlement of the pile foundation. The fixed box 1 is rotated, so that the detection rod 2 drives the detection target block 14 to move down. At this time, the distance sensor 41 detects that the detection target block 14 moves down, and sends a signal to the controller 42. The controller 42 compares the signals of the distance sensor 41 Calculate the settlement of the pile foundation and send the signal to the wireless transmitter module 43, and the wireless transmitter module 43 sends the signal to the ground monitoring center, so that the ground monitoring center can detect the settlement amount of the pile foundation in real time, which is beneficial to ensure the safety of the building.

The above are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore: all equivalent changes made according to the structure, shape and principle of the present application should be covered within the scope of the present application. Inside.

Claims (3)

1. A deformation monitoring and early warning method for high fill and soft foundation engineering is characterized in that: the method comprises the following steps:

s1, preparing a foundation settlement monitor, wherein the foundation settlement monitor comprises a fixed box (1) arranged on the ground of a foundation, a detection rod (2) arranged on the fixed box (1) in a penetrating manner, a rotating piece (3) fixed on the side wall of a foundation pile foundation and a monitoring and early warning assembly (4) arranged in the fixed box (1), one end, far away from the fixed box (1), of the detection rod (2) is rotatably connected with the rotating piece (3), and the monitoring and early warning assembly (4) is used for detecting the rotating angle of the detection rod (2) to calculate the pile foundation settlement and send out early warning;

s2, arranging the fixing box (1) to enable the ground clearance of the building to be consistent with the distance from the fixing box (1) to the pile foundation to be detected;

s3, installing a rotating piece (3), forming a hole in the side wall of the pile foundation, inserting the rotating piece (3) into the hole of the pile foundation, pouring concrete, and fixing the rotating piece (3);

and S4, monitoring the settlement of the pile foundation in a wireless mode through a wireless transmission technology.

2. The deformation monitoring and early warning method for high fill and soft foundation engineering according to claim 1, characterized in that: a fixing rod (11) which is vertically arranged is fixed on the inner bottom surface of the fixing box (1), a first transmission long groove (21) is formed in the end part of the detection rod (2) which penetrates through the fixing box (1), a sliding round block (12) which penetrates through the first transmission long groove (21) is fixed on the side wall of the fixing rod (11), the first transmission long groove (21) extends along the length direction of the detection rod (2), and the sliding round block (12) is in sliding fit with the inner wall of the first transmission long groove (21); a detection groove (13) extending along the vertical direction is formed in the inner side wall of the fixed box (1), a detection target block (14) is installed in the detection groove (13) in a sliding mode, a second transmission long groove (22) is further formed in the detection rod (2), and a transmission round block (15) penetrating through the second transmission long groove (22) is fixed on the side wall of the detection target block (14); the monitoring and early warning assembly (4) comprises a distance sensor (41) fixed on the inner bottom surface of the detection groove (13), a controller (42) fixedly installed on the inner side wall of the fixed box (1) and a wireless transmitting module (43) fixed in the fixed box (1), the distance sensor (41), the controller (42) and the wireless transmitting module (43) are electrically connected in sequence, and the wireless transmitting module (43) is in wireless connection with a ground monitoring center; the detection end of the distance sensor (41) faces upwards and is used for detecting the height position of the detection target block (14); the controller (42) is used for receiving height signals of the detection target blocks (14) transmitted by the distance sensor (41), comparing and calculating the settlement amount of the pile foundation, and wirelessly transmitting height data signals to the ground monitoring center through the wireless transmitting module (43).

3. The deformation monitoring and early warning method for high fill and soft foundation engineering according to claim 1, characterized in that: set up the waist type groove that extends along vertical direction on the lateral wall that fixed box (1) is close to the pile foundation, detection pole (2) pass through waist type groove wears to locate on fixed box (1), just fixed box (1) lateral wall with it has water separating sleeve (5) to bond between fixed box (1) lateral wall, waist type groove with detection pole (2) all set up in water separating sleeve (5).

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