CN113188497B - Supervision detection method and system for foundation pit monitoring - Google Patents
Supervision detection method and system for foundation pit monitoring Download PDFInfo
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- CN113188497B CN113188497B CN202110477082.9A CN202110477082A CN113188497B CN 113188497 B CN113188497 B CN 113188497B CN 202110477082 A CN202110477082 A CN 202110477082A CN 113188497 B CN113188497 B CN 113188497B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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Abstract
The invention relates to the technical field of engineering supervision, in particular to a supervision detection method and a supervision detection system for foundation pit monitoring, wherein the supervision detection method for foundation pit monitoring comprises the following steps: acquiring a displacement vector of a preset position on a foundation pit supporting pile, wherein the displacement vector comprises a displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction; generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit supporting pile in the direction horizontally vertical to the foundation pit wall where the foundation pit supporting pile is located; and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value. This application has and lasts the monitoring to the foundation ditch displacement, reduces the effect that the manpower consumes.
Description
Technical Field
The invention relates to the technical field of engineering supervision, in particular to a supervision detection method and a supervision detection system for foundation pit monitoring.
Background
The foundation pit collapse is a common safety accident in the construction process, and the mode of preventing the foundation pit collapse at present mainly entrusts a third party to monitor at regular time so as to take measures to reinforce in time. However, the timing monitoring is not continuous and is labor-consuming, and a collapse accident is likely to occur during a period between two adjacent timing monitoring intervals, and thus is in need of improvement.
Disclosure of Invention
In order to continuously monitor the displacement of the foundation pit and reduce the labor consumption, the application provides a supervision and detection method and a supervision and detection system for monitoring the foundation pit.
The above object of the present invention is achieved by the following technical solutions:
a supervision detection method for foundation pit monitoring comprises the following steps:
acquiring a displacement vector of a preset position on a foundation pit supporting pile, wherein the displacement vector comprises a displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction;
generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit supporting pile in the direction horizontally vertical to the foundation pit wall where the foundation pit supporting pile is located;
and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value.
Through adopting above-mentioned technical scheme, obtain the displacement vector of predetermineeing the position on the foundation ditch fender pile earlier, the displacement vector includes the displacement direction of predetermineeing the position on the foundation ditch fender pile, the ascending first displacement distance of displacement direction to can embody the displacement direction of foundation ditch fender pile, can obtain on the one hand through the second displacement distance that the predetermined position on the foundation ditch fender pile is at the level perpendicular to the displacement volume in the direction of the foundation ditch pit wall at foundation ditch fender pile place can reflect the displacement volume of foundation ditch at the direction of the foundation ditch pit wall at level perpendicular to foundation ditch fender pile place, and on the other hand, through the ascending first displacement distance of displacement direction and displacement direction, can also reflect the direction of foundation ditch displacement, and it is more pertinent when being convenient for follow-up to deal with an emergency, struts the foundation ditch displacement direction, thereby realize keeping on-line monitoring the foundation ditch displacement, reduce the manpower and consume.
The application may be further configured in a preferred example to: the obtaining of the displacement vector of the preset position on the foundation pit support pile comprises:
acquiring a first displacement amount of a preset position on a foundation pit supporting pile compared with two preset points outside a foundation pit, wherein the preset position on the foundation pit supporting pile and the two preset points outside the foundation pit form a triangle;
and generating a displacement vector of the foundation pit support pile according to the first displacement.
By adopting the technical scheme, the mode of presetting two points outside the foundation pit is adopted, the first displacement of the preset position on the foundation pit supporting pile and the first displacement of the two points are measured, and then the displacement vector of the preset position on the foundation pit supporting pile can be obtained.
The present application may be further configured in a preferred example to: the obtaining of the displacement vector of the foundation pit support pile comprises the following steps:
acquiring a second displacement amount of a preset position on a foundation pit supporting pile compared with a preset point outside a foundation pit and an angle change value of the preset position on the foundation pit supporting pile before and after displacement compared with the preset point outside the foundation pit, wherein a straight line where the preset position on the foundation pit supporting pile and the preset position outside the foundation pit are located is perpendicular to a foundation pit wall where the foundation pit supporting pile is located;
and generating a displacement vector of the foundation pit supporting pile according to the second displacement and the angle change value.
By adopting the technical scheme, the point is preset outside the foundation pit, then the second displacement quantity of the preset position on the foundation pit support pile compared with the point is measured, and meanwhile, the angle change value of the preset position on the foundation pit support pile compared with the preset point outside the foundation pit before and after displacement is obtained, so that the displacement vector of the preset position on the foundation pit support pile can be obtained.
The second objective of the present invention is achieved by the following technical solutions:
a supervision and detection system for monitoring a foundation pit comprises two inserting columns fixedly installed outside the foundation pit, wherein a positioning module is installed on each inserting column, a preset position on a foundation pit supporting pile and the two inserting columns form a triangle, a rotary drum is rotatably connected to the top of each inserting column on each inserting column, a connecting rope is fixedly connected to the side wall of the rotary drum, one end of each connecting rope is fixedly connected to the side wall of the rotary drum and wound on the rotary drum, the other end of each connecting rope is fixedly connected to the preset position on the foundation pit supporting pile and the side wall of the rotary drum, the connecting ropes are in a tightened state, and the rotating friction force between the inserting columns and the rotary drums is larger than the pulling force of the connecting ropes in the tightened state; the rotary sensor is arranged on the rotary drum and used for measuring the rotation angle of the rotary drum and generating rotation angle information;
the supervision and detection system for monitoring the foundation pit further comprises electronic equipment, wherein the electronic equipment is in communication connection with the rotary sensor and the positioning module, acquires position information of the inserted column and receives rotation angle information sent by the rotary sensor, the electronic equipment comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, and the processor executes the computer program to realize the following steps:
acquiring a displacement vector of a preset position on a foundation pit supporting pile, wherein the displacement vector is obtained based on rotation angle information and position information and comprises a displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction;
generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit supporting pile in the direction horizontally perpendicular to the foundation pit wall where the foundation pit supporting pile is located;
and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value.
By adopting the technical scheme, two inserting columns are installed on two preset points outside a foundation pit, a positioning module is installed on each inserting column, a preset position and two inserting columns on the foundation pit supporting pile form a triangle, the preset position on the foundation pit supporting pile is connected with the two inserting columns through a connecting rope, the top of each inserting column on each inserting column is rotatably connected with a rotary drum, the rotary drum side walls are fixedly connected with connecting ropes, one ends of the connecting ropes are fixedly connected to the side walls of the rotary drums and wound on the rotary drums, the other ends of the connecting ropes are fixedly connected to the preset position on the foundation pit supporting pile, the connecting ropes are respectively connected to the preset position on the foundation pit supporting pile and the side walls of the rotary drums and are in a tightening state, the rotating friction force between the inserting columns and the rotary drums is larger than the pulling force of the connecting ropes in the tightening state, therefore, when the foundation pit is displaced, the foundation pit supporting pile is displaced, the preset position on the foundation pit supporting pile is also displaced, the rotary drum is driven to rotate through the connecting ropes, the rotary sensor measures the rotating angle and generates rotating angle information, and the rotating angle information after the electronic equipment receives the rotating angle information, the length of the connecting ropes can be obtained, and the first displacement of the preset position on the foundation pit supporting pile compared with the two points.
The third object of the invention is achieved by the following technical scheme:
a supervision and detection system for foundation pit monitoring comprises an inserting column fixedly installed outside a foundation pit, wherein a positioning module is installed on the inserting column, initially, a straight line where a preset position on the inserting column and a preset position on a foundation pit supporting pile are located is perpendicular to a foundation pit wall where the foundation pit supporting pile is located, the top of the inserting column on the inserting column is rotatably connected with a rotary drum, the side wall of the rotary drum is fixedly connected with a connecting rope, one end of the connecting rope is fixedly connected to the side wall of the rotary drum and wound on the rotary drum, the other end of the connecting rope is fixedly connected to the preset position on the foundation pit supporting pile and the side wall of the rotary drum, when the connecting rope is respectively connected to the preset position on the foundation pit supporting pile and the side wall of the rotary drum, the connecting rope is in a tightened state, and the rotating friction force between the inserting column and the rotary drum is larger than the pulling force of the connecting rope in the tightened state; the rotary sensor is arranged on the rotary drum and used for measuring the rotation angle of the rotary drum and generating rotation angle information;
a displacement detection area is arranged outside the foundation pit and is positioned between the preset point and the foundation pit supporting pile, a displacement sensing device is arranged in the displacement detection area, the detection area of the displacement sensing device is parallel to the foundation pit wall where the foundation pit supporting pile is located, a detected object is arranged on the connecting rope, and the displacement sensor is used for acquiring the displacement value of the detected object in the direction parallel to the foundation pit wall where the foundation pit supporting pile is located;
the supervision and detection system for monitoring the foundation pit further comprises electronic equipment, wherein the electronic equipment is in communication connection with the rotary sensor, the positioning module and the displacement sensing device, acquires position information of the inserted column, receives rotation angle information sent by the rotary sensor and receives a displacement value sent by the displacement sensing device, the electronic equipment comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, and the processor executes the computer program to realize the following steps:
acquiring a displacement vector of a preset position on the foundation pit supporting pile, wherein the displacement vector is obtained based on the rotation angle information, the position information and the displacement value of the detected object, and comprises the displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction;
generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit supporting pile in the direction horizontally vertical to the foundation pit wall where the foundation pit supporting pile is located;
and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value.
By adopting the technical scheme, the inserting columns are installed on the preset points outside the foundation pit, the positioning modules are installed on the inserting columns, the preset positions on the foundation pit supporting columns and the two inserting columns form a triangle, the preset positions on the foundation pit supporting columns are connected through the connecting ropes and the two inserting columns, the tops of the inserting columns on the inserting columns are rotatably connected with the rotary drum, the rotary drum side wall is fixedly connected with the connecting ropes, one ends of the connecting ropes are fixedly connected to the rotary drum side wall and wound on the rotary drum, the other ends of the connecting ropes are fixedly connected to the preset positions on the foundation pit supporting columns, when the connecting ropes are respectively connected to the preset positions on the foundation pit supporting columns and the rotary drum side wall, the connecting ropes are in a tightening state, the rotating friction force between the inserting columns and the rotary drum is larger than the tensile force of the connecting ropes in the tightening state, when the foundation pit is displaced, the foundation pit supporting columns generate displacement, the preset positions on the foundation pit supporting columns also generate displacement, therefore, the rotary drum is driven to rotate by the rotary sensor, the rotary sensor measures the rotation angle and generates rotation angle information, after the electronic equipment receives the rotation angle information, the rotation angle of the preset positions on the connecting ropes, and further, the preset positions on the foundation pit supporting columns, the foundation pit supporting columns can obtain the displacement value of the preset points, and the detection device, and the detection value of the vertical displacement of the foundation pit vertical direction of the foundation pit supporting columns, and the vertical direction of the supporting columns, and the detection line of the detection device.
The present application may be further configured in a preferred example to: the inserting column is vertically arranged, and the rotating drum is vertically arranged.
Through adopting above-mentioned technical scheme, the vertical setting of rotary drum, and rotate and connect on vertical post of inserting, when connecting the rope and drive the rotary drum rotatory, rotation sensor's measurement is more accurate.
The present application may be further configured in a preferred example to: limiting plates are fixedly mounted at the two ends of the rotary drum in the length direction.
By adopting the technical scheme, the limiting plate can prevent the connecting rope from separating out of the two ends of the rotary drum.
The present application may be further configured in a preferred example to: the displacement sensing device is provided with a sliding chute, and the length direction of the sliding chute is parallel to the foundation pit wall where the foundation pit supporting pile is located; the detected object is connected to the connecting rope in a sliding mode, moves along with the connecting rope, slides in the sliding groove, and detects the position of the detected object in the sliding groove through the displacement sensing device so that the displacement value of the detected object can be obtained.
By adopting the technical scheme, when the rope is connected for displacement, the detected object is driven to displace, the sliding groove limits the movement of the detected object, so that the detected object can only move along the length direction of the sliding groove, namely, along the direction parallel to the wall direction of the foundation pit where the foundation pit supporting pile is located, the displacement sensing device detects the position of the detected object in the sliding groove, and the displacement value of the detected object is obtained.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the method comprises the steps of firstly obtaining a displacement vector of a preset position on a foundation pit supporting pile, wherein the displacement vector comprises a displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction, so that the displacement direction of the foundation pit supporting pile can be embodied;
2. measuring a first displacement of a preset position on the foundation pit supporting pile compared with two points by adopting a mode of presetting the two points outside the foundation pit, and further acquiring a displacement vector of the preset position on the foundation pit supporting pile;
3. the method comprises the steps of presetting a point outside a foundation pit, measuring a second displacement quantity of a preset position on a foundation pit supporting pile compared with the point, and simultaneously obtaining an angle change value of the preset position on the foundation pit supporting pile compared with the preset point outside the foundation pit around the displacement, so that a displacement vector of the preset position on the foundation pit supporting pile can be obtained.
Drawings
FIG. 1 is a flowchart illustrating a method for pit monitoring supervision and inspection according to an embodiment of the present disclosure;
FIG. 2 is a flow chart of a method for pit monitoring supervision and inspection according to another embodiment of the present application;
FIG. 3 is a flow chart of a method for pit monitoring supervision and inspection in another embodiment of the present application;
FIG. 4 is a diagram illustrating a measuring method of a pit proctoring detection method according to an embodiment of the present disclosure;
FIG. 5 is a diagram illustrating a measurement method of a pit monitoring supervision inspection method according to another embodiment of the present disclosure;
FIG. 6 is a schematic view of the connection of the connecting cord to the drum in one embodiment of the present application;
fig. 7 is a schematic structural diagram of a displacement sensing device according to an embodiment of the present application.
Description of reference numerals: 1. inserting a column; 2. a drum; 3. a limiting plate; 4. connecting ropes; 5. a displacement sensing device; 6. an object to be detected; 7. a chute; 8. a yielding groove.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
In one embodiment, as shown in fig. 1, the present application discloses a supervision and detection method for monitoring a foundation pit, which specifically includes the following steps:
s1, obtaining a displacement vector of a preset position on a foundation pit supporting pile, wherein the displacement vector comprises a displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction.
And S2, generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit supporting pile in the direction horizontally vertical to the foundation pit wall where the foundation pit supporting pile is located.
The displacement of the preset position on the foundation pit supporting pile in the direction of the foundation pit wall where the horizontal vertical to the foundation pit supporting pile is located can reflect the displacement condition of the foundation pit wall.
And S3, sending an alarm signal when the second displacement distance is detected to exceed the threshold value.
The threshold value is preset, when the displacement of the foundation pit retaining wall exceeds the preset threshold value, the control module controls the alarm to send out an alarm signal, and the alarm signal indicates that emergency measures must be taken immediately to carry out emergency treatment on the foundation pit, so that precious time can be won for emergency treatment.
Referring to fig. 2, wherein S1 may include the following steps:
s111, acquiring a first displacement amount of a preset position on the foundation pit supporting pile compared with two preset points outside the foundation pit, wherein the preset position on the foundation pit supporting pile and the two preset points outside the foundation pit form a triangle;
and S112, generating a displacement vector of the foundation pit supporting pile according to the first displacement.
Combine fig. 4 and fig. 6, wherein, predetermine the equal fixed mounting of two punishment department outside the foundation ditch and insert post 1, consequently predetermine the distance of two punishment and be a fixed value, insert 1 top of post and rotate and connect a rotary drum 2, 2 vertical settings of rotary drum, 2 lateral wall fixed connection of rotary drum connect rope 4, connect the one end fixed connection of rope 4 in 2 lateral walls of rotary drum, and the winding is on rotary drum 2, other end fixed connection is in the preset position on the foundation ditch fender pile, the preset position can be the top of foundation ditch fender pile, optionally, set up the rotary drum 2 cross-section into the I shape, 2 length direction's of rotary drum both ends fixed mounting limiting plate 3 is in order to prevent to connect rope 4 and break away from the both ends of rotary drum 2 promptly.
As can be seen from the above, the initial distance between the two preset points outside the foundation pit and the preset position on the foundation pit support pile is known, the initial distance refers to the state of initially connecting one end of the connecting rope 4 to the foundation pit support pile, the distance between the preset position on the foundation pit support pile and the two preset points outside the foundation pit, in order to ensure the measurement accuracy, the connecting rope 4 should be kept in a tight state, and the rotating friction force between the inserting column 1 and the rotating drum 2 should be greater than the pulling force of the connecting rope 4 in the tight state; the rotary sensor is arranged on the rotary drum 2, and when the rotary drum 2 rotates, the rotary sensor measures the rotation angle of the rotary drum 2;
when the foundation pit supporting pile displaces, the preset position on the foundation pit supporting pile displaces along with the displacement, the rotary drum 2 is driven to rotate through the connecting rope 4, and the rotary sensor measures the rotation angle of the rotary drum 2, so that a first displacement of the preset position on the foundation pit supporting pile compared with the first displacement at two preset points can be obtained, and by combining the initial distances between the two preset points outside the foundation pit and the preset position on the foundation pit supporting pile, three side lengths of a triangle formed by the two preset points outside the foundation pit and the preset position on the foundation pit supporting pile can be obtained after the foundation pit supporting pile displaces, and then three vertex angle angles of the triangle can be obtained; establishing a coordinate system, for example, taking a straight line where two points outside the foundation pit are preset as an X axis, and taking a perpendicular line from the preset position on the foundation pit supporting pile to the X axis as a Y axis, wherein coordinates of the two points outside the foundation pit are preset as a determined value, an initial coordinate of the preset position on the foundation pit supporting pile is a determined value, and a post-displacement coordinate of the preset position on the foundation pit supporting pile after displacement can be obtained according to a new triangle formed after displacement, so as to obtain a displacement vector of the preset position on the foundation pit supporting pile.
As shown in the figure, two points preset outside the foundation pit are respectively N and M, the initial position on the foundation pit support pile is F, the position on the foundation pit support pile after displacement is H, and NF, NM, MF, NH and MH are all known, so that the coordinates of the H point can be obtained, and the displacement vector of the preset position on the foundation pit support pile can be obtained
Then the second displacement distance is FG.
Referring to fig. 3, the following steps may be adopted:
s121, obtaining a second displacement amount of a preset position on the foundation pit supporting pile compared with a preset point outside the foundation pit and an angle change value of the preset position on the foundation pit supporting pile compared with the preset point outside the foundation pit before and after displacement, wherein initially, a straight line of the preset position on the foundation pit supporting pile and the preset position outside the foundation pit is perpendicular to a foundation pit wall of the foundation pit where the foundation pit supporting pile is located;
and S122, generating a displacement vector of the foundation pit supporting pile according to the second displacement and the angle change value.
With reference to fig. 5, wherein the post 1 is fixedly installed at a preset point outside the foundation pit, the preset point should satisfy: initially, a straight line where a preset point and a preset position on the foundation pit supporting pile are located is perpendicular to a foundation pit wall where the foundation pit supporting pile is located, and the initial state refers to a state where one end of the connecting rope 4 is initially connected to the foundation pit supporting pile;
combine fig. 6, insert 1 top of post and rotate and connect a rotary drum 2, the vertical setting of 2 rotary drums, 2 lateral walls fixed connection of rotary drum connect rope 4, the one end fixed connection of connecting rope 4 is in 2 lateral walls of rotary drum, and the winding is on rotary drum 2, other end fixed connection is in the preset position on foundation ditch fender pile, preset position can be the top of foundation ditch fender pile, optionally, set up the rotary drum 2 cross-section into the I shape, 2 length direction's of rotary drum both ends set up limiting plate 3 in order to prevent to connect rope 4 and break away from the both ends of rotary drum 2 promptly.
With reference to fig. 7, a displacement detection area is arranged outside the foundation pit, the displacement detection area is located between the preset point and the foundation pit supporting piles, a displacement detection device is arranged in the displacement detection area, the detection area of the displacement detection device is parallel to the foundation pit wall where the foundation pit supporting piles are located, a chute 7 is formed in the displacement detection device, and the length direction of the chute 7 is parallel to the foundation pit wall where the foundation pit supporting piles are located; the connecting rope 4 is provided with a detected object 6, the detected object 6 is connected to the connecting rope 4 in a sliding mode, the detected object 6 moves along with the connecting rope 4, the detected object 6 slides in the sliding groove 7, two opposite side walls in the length direction of the displacement detection device are provided with abdication grooves 8 for the connecting rope 4 to pass through, the length direction of the abdication grooves 8 is consistent with that of the displacement detection device, and the displacement detection device detects the position of the detected object 6 in the sliding groove 7 so as to obtain a displacement value of the detected object 6; and initially, the distance from the preset point to the detected object 6 in the displacement detection device is known, so that the angle change value of the preset position displacement on the foundation pit support pile before and after compared with the preset point outside the foundation pit can be obtained.
As can be seen from the above, the initial distance between the preset point outside the foundation pit and the preset position on the foundation pit support pile is known, and in order to ensure the measurement accuracy, the connecting rope 4 should be kept in a tightened state, and the rotating friction force between the inserted column 1 and the rotating drum 2 should be greater than the pulling force of the connecting rope 4 in the tightened state; the rotary sensor is arranged on the rotary drum 2, and when the rotary drum 2 rotates, the rotary sensor measures the rotation angle of the rotary drum 2; when foundation ditch fender pile produced the displacement, the displacement along with it of presetting the position on the foundation ditch fender pile, and then drive rotary drum 2 rotatory through connecting rope 4, and rotation sensor measures the turned angle of rotary drum 2 to can draw foundation ditch fender pile and compare in the second displacement volume of presetting the punishment department.
As shown in the figure, assuming that the preset point is O, the initial preset position on the foundation pit supporting pile is A, the position displacement of the preset position on the foundation pit supporting pile is B, the initial position of the detected object 6 on the connecting rope 4 is C, the position displacement of the detected object 6 on the connecting rope 4 is D, BE/CD, wherein OC, CD, OA and OB can BE known, OD, E point coordinates and COD can BE obtained, so that the coordinates of B can BE obtained, and a displacement vector can BE further obtained according to the coordinates of A
The second displacement distance is AE.
This embodiment still discloses a detection system that supervises for foundation ditch monitoring, refer to fig. 4 and fig. 6, insert post 1 including fixed mounting at the outside two of foundation ditch, insert and install orientation module on the post 1, preset position and two on the foundation ditch fender pile insert 1 and form triangle-shaped, insert 1 vertical setting of post, insert 1 top of post and rotate and be connected with rotary drum 2 on the post 1, 2 vertical settings of rotary drum, 2 lateral wall fixed connection connecting ropes 4 of rotary drum, the one end fixed connection of connecting rope 4 is in 2 lateral walls of rotary drum, and the winding is on rotary drum 2, other end fixed connection is in the preset position on the foundation ditch fender pile, 2 length direction's of rotary drum both ends equal fixed mounting has limiting plate 3 in order to prevent that connecting rope 4 breaks away from the both ends of rotary drum 2.
When the connecting rope 4 is respectively connected to a preset position on the foundation pit support pile and the side wall of the rotary drum 2, the connecting rope 4 is in a tightened state, and the rotating friction force between the inserted column 1 and the rotary drum 2 is greater than the pulling force of the connecting rope 4 in the tightened state; the rotary sensor is arranged on the rotary drum 2 and used for measuring the rotation angle of the rotary drum 2 and generating rotation angle information;
the supervision and detection system for monitoring the foundation pit further comprises electronic equipment, the electronic equipment is in communication connection with the rotary sensor and the positioning module, acquires position information of the inserted column 1 and receives rotation angle information sent by the rotary sensor, the electronic equipment comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, and the following steps are realized when the processor executes the computer program:
acquiring a displacement vector of a preset position on the foundation pit supporting pile, wherein the displacement vector is obtained based on the rotation angle information and the position information, and comprises a displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction;
generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit support pile in the direction horizontally vertical to the foundation pit wall where the foundation pit support pile is located;
and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value.
This embodiment still discloses another kind of supervision detecting system for foundation ditch monitoring, refer to fig. 5 and fig. 6, including fixed mounting inserting post 1 in the foundation ditch outside, insert and install orientation module on post 1, in the beginning, insert the straight line perpendicular to foundation ditch pit wall at foundation ditch fender pile place at the place of the position of presetting on post 1 and the foundation ditch fender pile, insert 1 vertical setting of post, insert 1 top of post on the post 1 and rotate and be connected with rotary drum 2, 2 vertical settings of rotary drum, 2 lateral wall fixed connection of rotary drum connect rope 4, the one end fixed connection of connecting rope 4 is in 2 lateral walls of rotary drum, and the winding is on rotary drum 2, other end fixed connection is in the position of presetting on the foundation ditch fender pile, 2 equal fixed mounting in length direction's both ends of rotary drum has limiting plate 3 in order to prevent to connect rope 4 both ends that break away from out rotary drum 2.
When the connecting rope 4 is respectively connected to a preset position on the foundation pit supporting pile and the side wall of the rotary drum 2, the connecting rope 4 is in a tightened state, and the rotating friction force between the inserted column 1 and the rotary drum 2 is greater than the tension force of the connecting rope 4 in the tightened state; the rotary sensor is arranged on the rotary drum 2 and used for measuring the rotation angle of the rotary drum 2 and generating rotation angle information;
with reference to fig. 7, a displacement detection area is arranged outside the foundation pit, the displacement detection area is located between the preset point and the foundation pit supporting piles, a displacement detection device is fixedly mounted in the displacement detection area, the detection area of the displacement detection device is parallel to the foundation pit wall where the foundation pit supporting piles are located, and the displacement sensor is used for acquiring the displacement value of the detected object 6 in the direction parallel to the foundation pit wall where the foundation pit supporting piles are located. Specifically, a sliding groove 7 is formed in the displacement detection device, and the length direction of the sliding groove 7 is parallel to the wall of the foundation pit where the foundation pit supporting pile is located; the connecting rope 4 is provided with a detected object 6, the detected object 6 is connected to the connecting rope 4 in a sliding manner, the detected object 6 moves along with the connecting rope 4, the detected object 6 slides in the sliding groove 7, two opposite side walls in the length direction of the displacement detection device are provided with abdication grooves 8 for the connecting rope 4 to pass through, the length direction of the abdication grooves 8 is consistent with the length direction of the displacement detection device, and the displacement detection device detects the position of the detected object 6 in the sliding groove 7 so as to obtain a displacement value of the detected object 6;
the supervision and detection system for monitoring the foundation pit further comprises electronic equipment, the electronic equipment is in communication connection with the rotary sensor, the positioning module and the displacement detection device, acquires position information of the inserted column 1, receives rotation angle information sent by the rotary sensor and receives a displacement value sent by the displacement detection device, the electronic equipment comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, and the following steps are realized when the processor executes the computer program:
acquiring a displacement vector of a preset position on the foundation pit support pile, wherein the displacement vector is obtained based on the rotation angle information, the position information and the displacement value of the detected object 6, and comprises the displacement direction of the preset position on the foundation pit support pile and a first displacement distance in the displacement direction;
generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit support pile in the direction horizontally vertical to the foundation pit wall where the foundation pit support pile is located;
and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (5)
1. The supervision and detection system for monitoring the foundation pit is characterized by comprising two inserting columns (1) fixedly mounted outside the foundation pit, wherein a positioning module is mounted on each inserting column (1), a preset position on each foundation pit supporting pile and the two inserting columns (1) form a triangle, the tops of the inserting columns (1) on the inserting columns (1) are rotatably connected with a rotary drum (2), the side wall of each rotary drum (2) is fixedly connected with a connecting rope (4), one end of each connecting rope (4) is fixedly connected to the side wall of each rotary drum (2) and wound on each rotary drum (2), the other end of each connecting rope is fixedly connected to the preset position on each foundation pit supporting pile and the side wall of each rotary drum (2), when the connecting ropes (4) are respectively connected to the preset position on each foundation pit supporting pile and the side wall of each rotary drum (2), each connecting rope (4) is in a tightening state, and the rotating friction force between each inserting column (1) and each rotary drum (2) is larger than the tension force of each connecting rope (4) in the tightening state; the rotary sensor is arranged on the rotary drum (2) and used for measuring the rotation angle of the rotary drum (2) and generating rotation angle information;
the supervision detection system for monitoring the foundation pit further comprises electronic equipment, the electronic equipment is in communication connection with the rotary sensor and the positioning module, acquires position information of the inserted column (1), receives rotation angle information sent by the rotary sensor, and comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, and the processor executes the computer program to realize the following steps:
acquiring a displacement vector of a preset position on a foundation pit supporting pile, wherein the displacement vector is obtained based on rotation angle information and position information and comprises a displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction; generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit supporting pile in the direction horizontally vertical to the foundation pit wall where the foundation pit supporting pile is located;
and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value.
2. The supervision and detection system for foundation pit monitoring is characterized by comprising an inserting column (1) fixedly mounted outside a foundation pit, wherein a positioning module is mounted on the inserting column (1), initially, a straight line where the inserting column (1) and a preset position on a foundation pit supporting pile are located is perpendicular to a foundation pit wall where the foundation pit supporting pile is located, the top of the inserting column (1) on the inserting column (1) is rotatably connected with a rotary drum (2), the side wall of the rotary drum (2) is fixedly connected with a connecting rope (4), one end of the connecting rope (4) is fixedly connected to the side wall of the rotary drum (2) and wound on the rotary drum (2), the other end of the connecting rope is fixedly connected to the preset position on the foundation pit supporting pile, when the connecting rope (4) is respectively connected to the preset position on the foundation pit supporting pile and the side wall of the rotary drum (2), the connecting rope (4) is in a tightening state, and the rotating friction force between the inserting column (1) and the rotary drum (2) is larger than the tension force of the connecting rope (4) in the tightening state; the rotary sensor is arranged on the rotary drum (2) and used for measuring the rotation angle of the rotary drum (2) and generating rotation angle information;
a displacement detection area is arranged outside the foundation pit and is positioned between the preset point and the foundation pit supporting pile, a displacement sensing device (5) is arranged in the displacement detection area, the detection area of the displacement sensing device (5) is parallel to the foundation pit wall where the foundation pit supporting pile is located, a detected object (6) is installed on the connecting rope (4), and the displacement sensor is used for acquiring the displacement value of the detected object (6) in the direction parallel to the foundation pit wall where the foundation pit supporting pile is located;
the supervision and detection system for monitoring the foundation pit further comprises electronic equipment, wherein the electronic equipment is in communication connection with the rotary sensor, the positioning module and the displacement sensing device (5), acquires position information of the inserted column (1), receives rotation angle information sent by the rotary sensor and receives a displacement value sent by the displacement sensing device, the electronic equipment comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, and the processor executes the computer program to realize the following steps:
obtaining a displacement vector of a preset position on the foundation pit supporting pile, wherein the displacement vector is obtained based on the rotation angle information, the position information and the displacement value of the detected object (6), and comprises the displacement direction of the preset position on the foundation pit supporting pile and a first displacement distance in the displacement direction;
generating a second displacement distance according to the displacement direction and the first displacement distance, wherein the second displacement distance is the displacement of the preset position on the foundation pit supporting pile in the direction horizontally vertical to the foundation pit wall where the foundation pit supporting pile is located;
and sending out an alarm signal when the second displacement distance is detected to exceed the threshold value.
3. The supervision detection system for foundation pit monitoring according to claim 2, characterized in that the insert column (1) is vertically arranged and the drum (2) is vertically arranged.
4. The proctoring detection system for foundation pit monitoring as claimed in claim 2, characterized in that limiting plates (3) are fixedly mounted at both ends of the drum (2) in the length direction.
5. The supervision and detection system for foundation pit monitoring according to claim 2, wherein the displacement sensing device (5) is provided with a sliding chute (7), and the length direction of the sliding chute (7) is parallel to the foundation pit wall where the foundation pit support pile is located; the detected object (6) is connected to the connecting rope (4) in a sliding mode, the detected object (6) moves along with the connecting rope (4), the detected object (6) slides in the sliding groove (7), and the displacement sensing device (5) detects the position of the detected object (6) in the sliding groove (7) so as to obtain a displacement value of the detected object (6).
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| CN114973602B (en) * | 2022-05-13 | 2023-05-30 | 西南科技大学 | Landslide monitoring pre-alarm method and system |
| CN115419126B (en) * | 2022-09-29 | 2023-05-09 | 苏州开普岩土工程有限公司 | Foundation pit support structure offset detection device |
| CN116067333B (en) * | 2023-03-14 | 2023-06-16 | 山东省物化探勘查院 | Method and system for determining deformation of foundation pit support pile by adopting comprehensive theory |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11153431A (en) * | 1997-11-18 | 1999-06-08 | Asahi Sangyo Kk | Uneven settlement monitoring device for timbering |
| CN108914994A (en) * | 2018-08-13 | 2018-11-30 | 山东大学 | A kind of foundation pit top horizontal displacement monitoring method based on opposite side ranging |
| CN108981665A (en) * | 2018-08-13 | 2018-12-11 | 山东大学 | A kind of foundation pit top horizontal displacement monitoring method based on measurement of coordinates |
| CN110688906A (en) * | 2019-08-31 | 2020-01-14 | 深圳市广宁股份有限公司 | Intelligent detection method for wind power equipment and related product |
| CN111735419A (en) * | 2020-08-06 | 2020-10-02 | 北京大成国测科技有限公司 | Slope horizontal displacement monitoring system and method thereof |
-
2021
- 2021-04-29 CN CN202110477082.9A patent/CN113188497B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11153431A (en) * | 1997-11-18 | 1999-06-08 | Asahi Sangyo Kk | Uneven settlement monitoring device for timbering |
| CN108914994A (en) * | 2018-08-13 | 2018-11-30 | 山东大学 | A kind of foundation pit top horizontal displacement monitoring method based on opposite side ranging |
| CN108981665A (en) * | 2018-08-13 | 2018-12-11 | 山东大学 | A kind of foundation pit top horizontal displacement monitoring method based on measurement of coordinates |
| CN110688906A (en) * | 2019-08-31 | 2020-01-14 | 深圳市广宁股份有限公司 | Intelligent detection method for wind power equipment and related product |
| CN111735419A (en) * | 2020-08-06 | 2020-10-02 | 北京大成国测科技有限公司 | Slope horizontal displacement monitoring system and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 监测技术在水利工程基坑施工中的应用;李晓宏;《水利规划与设计》;20160331(第03期);第57-59页 * |
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