CN110836652B - Immersed tube tunnel construction displacement monitoring device and monitoring method thereof - Google Patents
Immersed tube tunnel construction displacement monitoring device and monitoring method thereof Download PDFInfo
- Publication number
- CN110836652B CN110836652B CN201911125253.0A CN201911125253A CN110836652B CN 110836652 B CN110836652 B CN 110836652B CN 201911125253 A CN201911125253 A CN 201911125253A CN 110836652 B CN110836652 B CN 110836652B
- Authority
- CN
- China
- Prior art keywords
- monitoring device
- displacement monitoring
- box body
- fixed
- steel rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- G01B21/22—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 angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a device and a method for monitoring the displacement of immersed tunnel construction, wherein the device comprises a first box body fixed on one pipe section and a second box body fixed on the adjacent pipe section, and a monitoring mechanism is arranged between the first box body and the second box body; the monitoring mechanism comprises at least two steel rods which are fixed between a first box body and a second box body in a stretching mode, a horizontal displacement monitoring device, a first vertical displacement monitoring device and a first longitudinal displacement monitoring device which are used for monitoring the steel rods are arranged in the first box body, and a second vertical displacement monitoring device and a second longitudinal displacement monitoring device which are used for monitoring the steel rods are arranged in the second box body; the invention realizes the omnibearing automatic monitoring of the immersed tube tunnel, reduces the error and ensures the foundation quality of the pipe section construction.
Description
Technical Field
The invention relates to a monitoring device, in particular to a device and a method for monitoring the construction displacement of an immersed tunnel.
Background
In recent years, traffic infrastructure construction is rapidly developed, a large number of cross-sea bridges and channels begin to be built, and more tunnels, bridges and artificial islands in the sea are built on complex marine soft soil foundations. The underwater immersed tube tunnel has small self load, mainly takes anti-buoyancy as a main part, does not need foundation treatment under general conditions, but is in the transition section of the underwater immersed tube tunnel, namely the joint of the underwater immersed tube tunnel and the artificial island, the immersed tube tunnel gradually turns over from water to underwater, the buried depth of the soft soil foundation has large change and poor physical and mechanical properties, and if the immersed tube tunnel is not treated by the foundation easily to have large differential settlement, the bearing capacity of the foundation can hardly reach the design requirement. The foundation treatment method of the immersed tube tunnel soft soil foundation mostly adopts an excavation and replacement method, a common sand well drainage consolidation method, a grouting method, a pile foundation method and the like.
At present, in the process of sand filling or mud jacking construction of a immersed tube tunnel foundation, a pipe section in water is in an unstable state, the pipe section frequently shakes, particularly the shaking amplitude of the pipe tail serving as a free end is large in the vertical and horizontal directions, and potential safety hazards exist in the process that the pipe section possibly floats upwards. Meanwhile, whether the filling of the pipe section foundation is finished or not is an important index, and the amount of the pipe section to be loaded is required to be continuously monitored so as to ensure the quality of the pipe section foundation. In the prior engineering construction, the total station is adopted to monitor manually as much as possible, and the defects of manual error, incapability of continuous monitoring, harsh monitoring environment and the like exist.
Disclosure of Invention
The invention provides a device and a method for monitoring the construction displacement of the immersed tube tunnel, aiming at the problems, so that the omnibearing automatic monitoring of the immersed tube tunnel is realized, the error is reduced, and the foundation quality of the pipe section construction is ensured.
The specific technical scheme is as follows:
a displacement monitoring device for immersed tunnel construction comprises a first box body fixed on one pipe section and a second box body fixed on an adjacent pipe section, wherein a monitoring mechanism is arranged between the first box body and the second box body; the monitoring mechanism comprises at least two steel rods fixed between the first box body and the second box body in a stretching mode, a horizontal displacement monitoring device, a first vertical displacement monitoring device and a first longitudinal displacement monitoring device which are used for monitoring the steel rods are arranged in the first box body, and a second vertical displacement monitoring device and a second longitudinal displacement monitoring device which are used for monitoring the steel rods are arranged in the second box body.
Further, the steel pole passes through coupling assembling to be fixed between first box body and second box body.
Furthermore, the connecting assembly comprises a first connecting plate and a second connecting plate, the first connecting plate is detachably fixed on the first box body through a bolt, a third connecting plate is fixed on the second connecting plate through a first spring, the third connecting plate is fixed on the second box body through a screw, and a plurality of steel rods which are parallel to each other are fixed between the first connecting plate and the second connecting plate through universal joints;
the steel rods comprise a first steel rod connected with the first connecting plate, a second steel rod connected with the second connecting plate, and a third steel rod connected between the first steel rod and the second steel rod through a universal joint;
a first positioning lantern ring is arranged on the first steel rod and fixed in the first box body; two second lantern rings are arranged on the second steel rod, and the two second positioning lantern rings are fixed in the second box body;
the fixed heights of the first positioning lantern ring and the second positioning lantern ring are the same, and the steel rod penetrates through the first positioning lantern ring and the second positioning lantern ring;
two groups of pressing components are also arranged between the two second positioning lantern rings;
the pressing assembly comprises two first pressing rollers and a second pressing roller, the second pressing roller is arranged between the two first pressing rollers, and the first pressing roller and the second pressing roller are oppositely arranged on two sides of the second steel rod in a pressing mode;
the horizontal displacement monitoring device is arranged between the two groups of pressing assemblies, and the two second positioning lantern rings and the two groups of pressing assemblies enable the second steel rod to be in a horizontal state.
Furthermore, the horizontal displacement monitoring device comprises a snap ring fixed on the second steel rod and a rotating shaft rotatably fixed on the second box body, wherein a swing arm is fixed on the rotating shaft and is fixed on the snap ring through a switching assembly;
the switching assembly comprises two vertically arranged switching plates fixed below the clamping ring through bolts and nuts, the bottoms of the two switching plates are connected through a fixing plate, each switching plate is vertically provided with a guide groove, the connecting rod is horizontally fixed between the two switching plates and can move along the guide grooves, the top of the swing arm is provided with a mounting groove, the connecting rod is rotatably fixed in the mounting groove, and a rotating shaft is provided with a first angle sensor;
during initial state, the swing arm sets up with the second steel pole is perpendicular, if take place the skew between two pipeline sections, then the horizontal migration takes place for the second steel pole, and the second steel pole drives the snap ring and removes, and the snap ring drives the swing arm and rotates, and the rotation angle of first angle sensor monitoring swing arm, the size of rotation angle is directly proportional with the offset between two pipeline sections.
Further, the first longitudinal displacement monitoring device is arranged at the edge of the first box body close to the pipe section connection, and the second longitudinal displacement monitoring device is arranged at the edge of the first box body close to the pipe section connection; the distances between the first longitudinal displacement monitoring device and the edges of the second longitudinal displacement monitoring device connected with the respective pipe sections are the same;
the first vertical displacement monitoring device is arranged between the first positioning lantern ring and the first longitudinal displacement monitoring device, and the second vertical displacement monitoring device is arranged between the second positioning lantern ring and the second longitudinal displacement monitoring device; the distances between the first vertical displacement monitoring device and the edges of the second vertical displacement monitoring device connected with the respective pipe sections are the same;
the first vertical displacement monitoring device, the second vertical displacement monitoring device, the first longitudinal displacement monitoring device and the second longitudinal displacement monitoring device are all arranged corresponding to the third steel rod.
Furthermore, the first vertical displacement monitoring device and the second vertical displacement monitoring device both comprise a pressure-bearing head, and a first support for fixing the pressure-bearing head is fixed on the first box body or the second box body through a second spring; two sides of the first bracket are respectively rotatably provided with a first gear, the two first gears are respectively meshed with a rack which is fixed on the first box body or the second box body and positioned outside the first bracket, and the first gears are provided with second angle sensors;
in the initial state, the second spring is in a free state, the third steel rod is in contact with the pressure bearing head, and the first gear does not rotate;
if the vertical directions of the two pipe sections deviate, the bearing head of the first vertical displacement monitoring device or the second vertical displacement monitoring device moves downwards under the action of the third steel rod, the first gear rotates in the moving process, and the second angle sensor is used for monitoring the rotating angle of the first gear.
Furthermore, the first longitudinal displacement monitoring device and the second longitudinal displacement monitoring device respectively comprise two groups of longitudinal displacement monitoring assemblies, each longitudinal displacement monitoring assembly comprises a monitoring top plate, the monitoring top plates movably penetrate through two second supports arranged in parallel, pull plates are arranged at the tail ends of the monitoring top plates, and the pull plates are connected with the second supports close to the pull plates through third springs;
the front end of the monitoring top plate is provided with an external thread, the external thread is meshed with a second gear, the second gear is rotatably fixed on the corresponding first box body or the second box body, and a third angle sensor is arranged on the second gear;
the two groups of longitudinal displacement monitoring assemblies are symmetrically arranged on two sides of the third steel rod, the monitoring top plates are vertically arranged with the third steel rod, and the front ends of the two monitoring top plates are mutually contacted;
in the initial state, the third springs of the two groups of longitudinal displacement monitoring assemblies are in a free state;
when two pipeline sections longitudinally deviate, the monitoring top plate of one longitudinal displacement monitoring assembly moves in a pressed mode, the second gear is driven to rotate in the moving process, and the third angle sensor is used for monitoring the rotation angle of the second gear.
Furthermore, the first angle sensor, the second angle sensor and the third angle sensor are connected with the controller through the wireless module respectively, the controller is connected with the server and the display, the wireless module transmits monitored data to the controller, the monitored data are stored in the server and displayed through the display after being analyzed by the controller, and the controller is further connected with the alarm.
A method for monitoring the construction displacement of a immersed tunnel comprises the following steps:
1) installing two displacement monitoring devices between the side walls of two adjacent pipe sections;
2) if a second angle sensor of the first vertical displacement monitoring device or the second vertical displacement monitoring device monitors that the first gear rotates and a first angle sensor of the corresponding horizontal displacement monitoring device monitors that the swing arm rotates, vertical deviation occurs between the two pipe sections;
3) if the third angle sensor of the first longitudinal displacement monitoring device or the second longitudinal displacement monitoring device monitors that the second gear rotates and the first angle sensor of the corresponding horizontal displacement monitoring device monitors that the swing arm rotates, longitudinal deviation occurs between the two pipe sections;
4) if only the first angle sensor of the horizontal displacement monitoring device monitors that the swing arm rotates, horizontal deviation occurs between the two pipe sections;
5) when the monitoring data of the first angle sensor, the second angle sensor and the third angle sensor exceed the warning value, the controller drives the alarm to give an alarm.
The invention has the beneficial effects that:
1) the invention realizes the omnibearing automatic monitoring of the immersed tube tunnel, reduces the error and ensures the foundation quality of the pipe section construction;
2) the invention can monitor the displacement in the horizontal direction, the longitudinal direction and the vertical direction simultaneously, thereby improving the efficiency;
3) the invention has convenient installation, can be repeatedly used and saves the cost.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a sectional view showing the installation state of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a diagram of a horizontal displacement monitoring device architecture;
FIG. 5 is a schematic view of the installation state of the adapter assembly;
FIG. 6 is a schematic structural view of the first longitudinal displacement monitoring device and the second longitudinal displacement monitoring device in an initial state;
FIG. 7 is a schematic structural view of a first longitudinal displacement monitoring device and a second longitudinal displacement monitoring device in case of a deviation;
FIG. 8 is a diagram illustrating signal transmission relationships according to the present invention.
Reference numerals
The device comprises a first box body 1, a second box body 2, a steel rod 3, a horizontal displacement monitoring device 4, a first vertical displacement monitoring device 5, a first longitudinal displacement monitoring device 6, a second vertical displacement monitoring device 7, a second longitudinal displacement monitoring device 8 and a pipe section 9;
a first steel rod 201, a second steel rod 202 and a third steel rod 203;
a first connecting plate 301, a second connecting plate 302, a first spring 303, a third connecting plate 304, a first positioning collar 305, a second positioning collar 306, a first pressing roller 307 and a second pressing roller 308;
the device comprises a clamping ring 401, a rotating shaft 402, a swing arm 403, an adapter plate 404, a guide groove 405, a connecting rod 406, a mounting groove 407 and a positioning top block 408;
a pressure bearing head 501, a first bracket 502, a second spring 503, a first gear 504 and a rack 505;
longitudinal displacement monitoring component 601, monitoring top plate 602, second bracket 603, pulling plate 604, third spring 605, second gear 606.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention.
As shown in the figure, the displacement monitoring device for immersed tunnel construction comprises a first box body 1 fixed on one pipe section 9 and a second box body 2 fixed on the adjacent pipe section, wherein a monitoring mechanism is arranged between the first box body and the second box body; the monitoring mechanism comprises at least two steel rods 3 fixed between a first box body and a second box body in a stretching mode, a horizontal displacement monitoring device 4, a first vertical displacement monitoring device 5 and a first longitudinal displacement monitoring device 6 which are used for monitoring the steel rods are arranged in the first box body, and a second vertical displacement monitoring device 7 and a second longitudinal displacement monitoring device 8 which are used for monitoring the steel rods are arranged in the second box body.
Further, the steel pole passes through coupling assembling to be fixed between first box body and second box body.
Further, the connecting assembly comprises a first connecting plate 301 and a second connecting plate 302, the first connecting plate is detachably fixed on the first box body through a bolt, a third connecting plate 304 is fixed on the second connecting plate through a first spring 303, the third connecting plate is fixed on the second box body through a screw, and a plurality of parallel steel rods are fixed between the first connecting plate and the second connecting plate through universal joints;
the steel rods comprise a first steel rod 201 connected with the first connecting plate, a second steel rod 202 connected with the second connecting plate, and a third steel rod 203 connected between the first steel rod and the second steel rod through a universal joint;
a first positioning lantern ring 305 is arranged on the first steel rod and is fixed in the first box body; a second steel bar;
the fixed heights of the first positioning lantern ring and the second positioning lantern ring are the same, and the steel rod penetrates through the first positioning lantern ring and the second positioning lantern ring;
two groups of pressing components are also arranged between the two second positioning lantern rings;
the pressing assembly comprises two first pressing rollers 307 and a second pressing roller 308, the second pressing roller is arranged between the two first pressing rollers, and the first pressing roller and the second pressing roller are oppositely arranged on two sides of the second steel rod in a pressing mode;
the horizontal displacement monitoring device is arranged between the two groups of pressing assemblies, and the two second positioning lantern rings and the two groups of pressing assemblies enable the second steel rod to be in a horizontal state.
Further, the horizontal displacement monitoring device comprises a clamping ring 401 fixed on the second steel rod, a rotating shaft 402 rotatably fixed on the second box body, and a swing arm 403 fixed on the rotating shaft and fixed on the clamping ring through a switching assembly;
the switching assembly comprises two vertically arranged switching plates 404 fixed below the clamping ring through bolts and nuts, the bottoms of the two switching plates are connected through a fixing plate, each switching plate is vertically provided with a guide groove 405, a connecting rod 406 is horizontally fixed between the two switching plates and can move along the guide grooves, the top of the swing arm is provided with a mounting groove 407, the connecting rod is rotatably fixed in the mounting groove, and a rotating shaft is provided with a first angle sensor;
in an initial state, the swing arm is perpendicular to the second steel rod, if the two pipe sections deviate, the second steel rod moves horizontally, the second steel rod drives the clamp ring to move, the clamp ring drives the swing arm to rotate, the first angle sensor monitors the rotation angle of the swing arm, and the rotation angle is in direct proportion to the deviation between the two pipe sections;
and positioning ejector blocks 408 are also arranged on two sides of the swing arm and used for preventing the swing amplitude of the swing arm from being too large.
Further, the first longitudinal displacement monitoring device is arranged at the edge of the first box body close to the pipe section connection, and the second longitudinal displacement monitoring device is arranged at the edge of the first box body close to the pipe section connection; the distances between the first longitudinal displacement monitoring device and the edges of the second longitudinal displacement monitoring device connected with the respective pipe sections are the same;
the first vertical displacement monitoring device is arranged between the first positioning lantern ring and the first longitudinal displacement monitoring device, and the second vertical displacement monitoring device is arranged between the second positioning lantern ring and the second longitudinal displacement monitoring device; the distances between the first vertical displacement monitoring device and the edges of the second vertical displacement monitoring device connected with the respective pipe sections are the same;
the first vertical displacement monitoring device, the second vertical displacement monitoring device, the first longitudinal displacement monitoring device and the second longitudinal displacement monitoring device are all arranged corresponding to the third steel rod.
Further, the first vertical displacement monitoring device and the second vertical displacement monitoring device both comprise a pressure-bearing head 501, and a first bracket 502 for fixing the pressure-bearing head is fixed on the first box body or the second box body through a second spring 503; two sides of the first bracket are respectively provided with a first gear 504 in a rotatable manner, the two first gears are respectively meshed with a rack 505 which is fixed on the first box body or the second box body and is positioned outside the first bracket, and a second angle sensor is arranged on the first gears;
in the initial state, the second spring is in a free state, the third steel rod is in contact with the pressure bearing head, and the first gear does not rotate;
if the vertical directions of the two pipe sections deviate, the bearing head of the first vertical displacement monitoring device or the second vertical displacement monitoring device moves downwards under the action of the third steel rod, the first gear rotates in the moving process, and the second angle sensor is used for monitoring the rotating angle of the first gear.
Further, the first longitudinal displacement monitoring device and the second longitudinal displacement monitoring device both comprise two groups of longitudinal displacement monitoring components 601, each longitudinal displacement monitoring component comprises a monitoring top plate 602, the monitoring top plates movably penetrate through two second supports 603 arranged in parallel, pull plates 604 are arranged at the tail ends of the monitoring top plates, and the pull plates are connected with the second supports close to the pull plates through third springs 605;
the front end of the monitoring top plate is provided with an external thread, the external thread is meshed with a second gear 606, the second gear is rotatably fixed on the corresponding first box body or the second box body, and a third angle sensor is arranged on the second gear;
the two groups of longitudinal displacement monitoring assemblies are symmetrically arranged on two sides of the third steel rod, the monitoring top plates are vertically arranged with the third steel rod, and the front ends of the two monitoring top plates are mutually contacted;
in the initial state, the third springs of the two groups of longitudinal displacement monitoring assemblies are in a free state;
when two pipeline sections longitudinally deviate, the monitoring top plate of one longitudinal displacement monitoring assembly moves in a pressed mode, the second gear is driven to rotate in the moving process, and the third angle sensor is used for monitoring the rotation angle of the second gear.
Furthermore, the first angle sensor, the second angle sensor and the third angle sensor are connected with the controller through the wireless module respectively, the controller is connected with the server and the display, the wireless module transmits monitored data to the controller, the monitored data are stored in the server and displayed through the display after being analyzed by the controller, and the controller is further connected with the alarm.
A method for monitoring the construction displacement of a immersed tunnel comprises the following steps:
1) installing two displacement monitoring devices between the side walls of two adjacent pipe sections;
2) if a second angle sensor of the first vertical displacement monitoring device or the second vertical displacement monitoring device monitors that the first gear rotates and a first angle sensor of the corresponding horizontal displacement monitoring device monitors that the swing arm rotates, vertical deviation occurs between the two pipe sections;
3) if the third angle sensor of the first longitudinal displacement monitoring device or the second longitudinal displacement monitoring device monitors that the second gear rotates and the first angle sensor of the corresponding horizontal displacement monitoring device monitors that the swing arm rotates, longitudinal deviation occurs between the two pipe sections;
4) if only the first angle sensor of the horizontal displacement monitoring device monitors that the swing arm rotates, horizontal deviation occurs between the two pipe sections;
5) when the monitoring data of the first angle sensor, the second angle sensor and the third angle sensor exceed the warning value, the controller drives the alarm to give an alarm.
Claims (8)
1. A displacement monitoring device for immersed tunnel construction is characterized by comprising a first box body fixed on one pipe section and a second box body fixed on an adjacent pipe section, wherein a monitoring mechanism is arranged between the first box body and the second box body; the monitoring mechanism comprises at least two steel rods fixed between the first box body and the second box body in a stretching mode, a horizontal displacement monitoring device, a first vertical displacement monitoring device and a first longitudinal displacement monitoring device which are used for monitoring the steel rods are arranged in the first box body, and a second vertical displacement monitoring device and a second longitudinal displacement monitoring device which are used for monitoring the steel rods are arranged in the second box body.
2. The immersed tunnel construction displacement monitoring device according to claim 1, wherein the steel rod is fixed between the first box and the second box through a connection member.
3. The immersed tunnel construction displacement monitoring device as claimed in claim 1 or 2, wherein the connection assembly comprises a first connection plate and a second connection plate, the first connection plate is detachably fixed on the first box body through a bolt, a third connection plate is fixed on the second connection plate through a first spring, the third connection plate is fixed on the second box body through a screw, and a plurality of steel rods which are parallel to each other are fixed between the first connection plate and the second connection plate through universal joints;
the steel rods comprise a first steel rod connected with the first connecting plate, a second steel rod connected with the second connecting plate, and a third steel rod connected between the first steel rod and the second steel rod through a universal joint;
a first positioning lantern ring is arranged on the first steel rod and fixed in the first box body; two second lantern rings are arranged on the second steel rod, and the two second positioning lantern rings are fixed in the second box body;
the fixed heights of the first positioning lantern ring and the second positioning lantern ring are the same, and the steel rod penetrates through the first positioning lantern ring and the second positioning lantern ring;
two groups of pressing components are also arranged between the two second positioning lantern rings;
the pressing assembly comprises two first pressing rollers and a second pressing roller, the second pressing roller is arranged between the two first pressing rollers, and the first pressing roller and the second pressing roller are oppositely arranged on two sides of the second steel rod in a pressing mode;
the horizontal displacement monitoring device is arranged between the two groups of pressing assemblies, and the two second positioning lantern rings and the two groups of pressing assemblies enable the second steel rod to be in a horizontal state.
4. The immersed tunnel construction displacement monitoring device as claimed in claim 3, wherein the horizontal displacement monitoring device comprises a snap ring fixed on the second steel bar, a rotating shaft rotatably fixed on the second box body, a swing arm fixed on the rotating shaft, the swing arm fixed on the snap ring through a switching assembly;
the switching assembly comprises two vertically arranged switching plates fixed below the clamping ring through bolts and nuts, the bottoms of the two switching plates are connected through a fixing plate, each switching plate is vertically provided with a guide groove, the connecting rod is horizontally fixed between the two switching plates and can move along the guide grooves, the top of the swing arm is provided with a mounting groove, the connecting rod is rotatably fixed in the mounting groove, and a rotating shaft is provided with a first angle sensor;
during initial state, the swing arm sets up with the second steel pole is perpendicular, if take place the skew between two pipeline sections, then the horizontal migration takes place for the second steel pole, and the second steel pole drives the snap ring and removes, and the snap ring drives the swing arm and rotates, and the rotation angle of first angle sensor monitoring swing arm, the size of rotation angle is directly proportional with the offset between two pipeline sections.
5. The immersed tunnel construction displacement monitoring device according to claim 4, wherein the first longitudinal displacement monitoring device is provided at the edge of the first box body near the pipe section connection, and the second longitudinal displacement monitoring device is provided at the edge of the first box body near the pipe section connection; the distances between the first longitudinal displacement monitoring device and the edges of the second longitudinal displacement monitoring device connected with the respective pipe sections are the same;
the first vertical displacement monitoring device is arranged between the first positioning lantern ring and the first longitudinal displacement monitoring device, and the second vertical displacement monitoring device is arranged between the second positioning lantern ring and the second longitudinal displacement monitoring device; the distances between the first vertical displacement monitoring device and the edges of the second vertical displacement monitoring device connected with the respective pipe sections are the same;
the first vertical displacement monitoring device, the second vertical displacement monitoring device, the first longitudinal displacement monitoring device and the second longitudinal displacement monitoring device are all arranged corresponding to the third steel rod.
6. The immersed tunnel construction displacement monitoring device according to claim 5, wherein the first vertical displacement monitoring device and the second vertical displacement monitoring device each comprise a bearing head, and a first bracket for fixing the bearing head is fixed on the first box body or the second box body through a second spring; two sides of the first bracket are respectively rotatably provided with a first gear, the two first gears are respectively meshed with a rack which is fixed on the first box body or the second box body and positioned outside the first bracket, and the first gears are provided with second angle sensors;
in the initial state, the second spring is in a free state, the third steel rod is in contact with the pressure bearing head, and the first gear does not rotate;
if the vertical directions of the two pipe sections deviate, the bearing head of the first vertical displacement monitoring device or the second vertical displacement monitoring device moves downwards under the action of the third steel rod, the first gear rotates in the moving process, and the second angle sensor is used for monitoring the rotating angle of the first gear.
7. The immersed tunnel construction displacement monitoring device according to claim 6, wherein the first longitudinal displacement monitoring device and the second longitudinal displacement monitoring device comprise two sets of longitudinal displacement monitoring components, each longitudinal displacement monitoring component comprises a monitoring top plate, the monitoring top plate movably penetrates through two second supports arranged in parallel, a pulling plate is arranged at the tail end of the monitoring top plate, and the pulling plate is connected with the adjacent second supports through a third spring;
the front end of the monitoring top plate is provided with an external thread, the external thread is meshed with a second gear, the second gear is rotatably fixed on the corresponding first box body or the second box body, and a third angle sensor is arranged on the second gear;
the two groups of longitudinal displacement monitoring assemblies are symmetrically arranged on two sides of the third steel rod, the monitoring top plates are vertically arranged with the third steel rod, and the front ends of the two monitoring top plates are mutually contacted;
in the initial state, the third springs of the two groups of longitudinal displacement monitoring assemblies are in a free state;
when two pipeline sections longitudinally deviate, the monitoring top plate of one longitudinal displacement monitoring assembly moves in a pressed mode, the second gear is driven to rotate in the moving process, and the third angle sensor is used for monitoring the rotation angle of the second gear.
8. The immersed tube tunnel construction displacement monitoring device according to claim 7, wherein the first angle sensor, the second angle sensor and the third angle sensor are respectively connected with the controller through wireless modules, the controller is connected with the server and the display, the wireless modules transmit monitored data to the controller, the monitored data are stored in the server after being analyzed by the controller and are displayed through the display, and the controller is further connected with the alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125253.0A CN110836652B (en) | 2019-11-18 | 2019-11-18 | Immersed tube tunnel construction displacement monitoring device and monitoring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125253.0A CN110836652B (en) | 2019-11-18 | 2019-11-18 | Immersed tube tunnel construction displacement monitoring device and monitoring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110836652A CN110836652A (en) | 2020-02-25 |
| CN110836652B true CN110836652B (en) | 2021-04-30 |
Family
ID=69576552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911125253.0A Active CN110836652B (en) | 2019-11-18 | 2019-11-18 | Immersed tube tunnel construction displacement monitoring device and monitoring method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110836652B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2020541B1 (en) * | 2018-03-06 | 2019-09-13 | Fugro N V | Position Monitoring of a Gasket between Tunnel Segments |
| CN117685916A (en) * | 2023-12-11 | 2024-03-12 | 上海交大海科检测技术有限公司 | Wrapped three-dimensional displacement state measuring device and system with stabilizing function |
| CN117739827A (en) * | 2023-12-18 | 2024-03-22 | 上海交大海科检测技术有限公司 | Portable immersed tube tunnel operation maintenance period three-dimensional displacement state measuring equipment and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202304755U (en) * | 2011-10-20 | 2012-07-04 | 上海交通大学 | Pipeline section displacement monitoring system used in immersed tube tunnel foundation sand replacement or grouting construction |
| JP2012220232A (en) * | 2011-04-05 | 2012-11-12 | Nuclear Fuel Ind Ltd | Displacement measuring apparatus |
| CN104807497A (en) * | 2015-02-16 | 2015-07-29 | 中交天津港湾工程研究院有限公司 | Immersed tube tunnel construction monitoring system and construction technology thereof |
| CN106989716A (en) * | 2017-05-19 | 2017-07-28 | 广州市建筑科学研究院有限公司 | A kind of three-dimensional relative displacement measurement apparatus of structure movement joint and method |
| CN108007431A (en) * | 2017-12-23 | 2018-05-08 | 苏交科集团股份有限公司 | Obtain Rectangular Tunnel segment seam horizontal distortion amount and the method for differential settlement |
| CN109797782A (en) * | 2017-09-21 | 2019-05-24 | 南昌市政公用工程项目管理有限公司 | A kind of Joints in Immersed Tunnel joint open monitoring device and method |
-
2019
- 2019-11-18 CN CN201911125253.0A patent/CN110836652B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012220232A (en) * | 2011-04-05 | 2012-11-12 | Nuclear Fuel Ind Ltd | Displacement measuring apparatus |
| CN202304755U (en) * | 2011-10-20 | 2012-07-04 | 上海交通大学 | Pipeline section displacement monitoring system used in immersed tube tunnel foundation sand replacement or grouting construction |
| CN104807497A (en) * | 2015-02-16 | 2015-07-29 | 中交天津港湾工程研究院有限公司 | Immersed tube tunnel construction monitoring system and construction technology thereof |
| CN106989716A (en) * | 2017-05-19 | 2017-07-28 | 广州市建筑科学研究院有限公司 | A kind of three-dimensional relative displacement measurement apparatus of structure movement joint and method |
| CN109797782A (en) * | 2017-09-21 | 2019-05-24 | 南昌市政公用工程项目管理有限公司 | A kind of Joints in Immersed Tunnel joint open monitoring device and method |
| CN108007431A (en) * | 2017-12-23 | 2018-05-08 | 苏交科集团股份有限公司 | Obtain Rectangular Tunnel segment seam horizontal distortion amount and the method for differential settlement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110836652A (en) | 2020-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110836652B (en) | Immersed tube tunnel construction displacement monitoring device and monitoring method thereof | |
| CN201903345U (en) | Assembled automatic monitoring system for roadbed layered settlement | |
| CN106544998A (en) | For the method for real-time of underground deep layer earth horizontal displacement | |
| CN113338252B (en) | Grouting anchoring layered inclination and settlement monitoring system and method | |
| CN201637641U (en) | Freezing-thawing circulated coarse-grained soil shearing test device | |
| CN104120699B (en) | Steel sheet pile bucket base man-made island dado structure | |
| CN105547248A (en) | Quickly-assembled automatic inclinometer casing and monitoring method thereof | |
| CN104002936B (en) | A kind of shoal, strand drilling platform | |
| CN116180713B (en) | Karst area deep foundation pit pile foundation construction karst cave processing device and method | |
| CN114215044B (en) | Pressure-bearing uplift pile with rear-inserted unbonded steel strand U-shaped pipe and construction method thereof | |
| CN115451914A (en) | Fixed inclinometer adapting to large deformation of soil body | |
| CN115326570A (en) | Device and method for testing anchoring mechanical property of composite rock anchor rod in tension-shear state | |
| CN108532634B (en) | Supporting anti-floating device of comprehensive pipe rack | |
| CN209989858U (en) | River channel desilting appurtenance | |
| CN210761202U (en) | Ultra-large artificial floating island and marine city group constructed by same | |
| CN211291431U (en) | Novel inclinometer probe | |
| CN110686659B (en) | Surface subsidence monitoring device for subway tunnel construction | |
| CN204849858U (en) | Steel tube pile self -balance method load box test structure | |
| CN210221544U (en) | Bridge pile foundation rock stratum sampling detection device | |
| CN210507390U (en) | Foundation pit settlement monitor | |
| CN203937833U (en) | Shoal, a kind of strand production platform | |
| Storteboom et al. | Efficiency examined of hands-free Cone Penetration Testing using the SingleTwist™ with COSON | |
| CN216432955U (en) | Low-cost inclinometry mechanism | |
| CN113338360B (en) | Tower type building deviation correcting device | |
| CN215104779U (en) | Bridge pushing erection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |