CN210135906U - Monitoring system for dislocation deformation between rock-fill dam layers - Google Patents
Monitoring system for dislocation deformation between rock-fill dam layers Download PDFInfo
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- CN210135906U CN210135906U CN201921218732.2U CN201921218732U CN210135906U CN 210135906 U CN210135906 U CN 210135906U CN 201921218732 U CN201921218732 U CN 201921218732U CN 210135906 U CN210135906 U CN 210135906U
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Abstract
The utility model belongs to the technical field of the safety monitoring and specifically relates to a monitoring system that is used for rock-fill dam interbedding dislocation to warp, it includes walking pipe, orbit detection device, and the walking pipe passes rock-fill dam's bed of material, transition bed of material, the setting of rock-fill body layer in proper order, and a tip of walking pipe is arranged in rock-fill dam's prevention of seepage body heart wall, and another tip is arranged in the outside on rock-fill body layer, and orbit detection device can remove in the walking pipe. During deformation detection, the walking guide pipe is arranged by sequentially penetrating through the material cushion layer, the transition material layer and the rock-fill layer of the rock-fill dam, and the track detection device is placed in the walking guide pipe and moves along the walking guide pipe during later monitoring, so that the condition of dislocation and deformation among all layers of the rock-fill dam can be accurately obtained.
Description
Technical Field
The utility model belongs to the technical field of the safety monitoring and specifically relates to a monitoring system that is used for rock-fill dam layer dislocation to warp.
Background
Along with the rapid development of hydropower utilities in China, the scales and the operating conditions of various rock-fill dams are more and more complex, the safe operation of buildings in a high dam and large reservoir poses higher challenges, the requirements on the safety and the stability of the rock-fill dams are higher and higher, and the safe and stable operation of the rock-fill dams is ensured.
The rock-fill dam comprises an impervious body core wall, wherein a padding layer, a transition material layer, a rock-fill layer and an impervious layer are sequentially arranged on two sides of the impervious body core wall respectively, the impervious layer is arranged between the impervious body core wall and the padding layer, and the deformation coordination among the layers is expected in the water retaining operation process. However, when the rock-fill dam actually operates, the interlayer materials are different in diameter, gradation and compactness, so that the deformation modulus is different, the dam body formed by the difference inevitably deforms and has the difference under the action of loads such as water, self weight and the like, particularly, the dam body comprises a padding layer, a transition material layer and a rock-fill layer on two sides of the impervious body core wall, and interlayer dislocation caused by the inconsistency of vertical settlement is possible to cause water storage operation waterpower due to the interlayer settlement dislocation of the two layers, and the operation safety of the water retaining dam is influenced.
At present, the method for monitoring the vertical settlement (dislocation deformation) of a padding layer, a transition material layer and a rock-fill layer on two sides of a core wall of an impervious body is to arrange point-type monitoring of an electric measurement type stroke rod type displacement meter among the padding layer, the transition material layer and the rock-fill layer according to a certain interval, and obtain the relative settlement dislocation deformation among all the layers through conversion of detected data.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a monitoring system of dislocation deformation between rock-fill dam layer that convenient monitoring, rate of accuracy are high is provided.
The utility model provides a technical scheme that its technical problem adopted is: a monitoring system for rock-fill dam interbedding dislocation warp, including walking pipe, orbit detection device, the setting of bedding layer, transition bed of material, the rock-fill body layer that the walking pipe passed the rock-fill dam in proper order, and a tip of walking pipe is located the impervious body heart wall of rock-fill dam, and another tip is located the outside at the rock-fill body layer, and orbit detection device can remove in the walking pipe.
Further, the walking catheter is horizontally arranged.
Further, the cross-sectional shape of the walking catheter is circular.
Further, the track detection device comprises a detection trolley and a track detector, and the track detector is arranged on the detection trolley.
Further, the track detector comprises a fiber optic gyroscope and an accelerometer.
Furthermore, the track detection device also comprises a processor, a power device and a transmission device, wherein the power device is connected with the transmission device, the transmission device is connected with the detection trolley, and the track detector is connected with the processor.
Furthermore, the axial line of the impervious core wall of the rock-fill dam is taken as a boundary, the rock-fill dam is divided into a dam body upstream part and a dam body downstream part, and the walking guide pipe is arranged in the dam body downstream part.
The utility model has the advantages that: the utility model discloses detecting system includes walking pipe, orbit detection device, and walking pipe can pass the setting of bed of material, transition bed of material, the rock-fill layer of rock-fill dam in proper order through pre-buried mode, and when the bed of material, transition bed of material, rock-fill body of rock-fill dam are in layers to the wrong deformation, can make walking pipe produce same deformation; when deformation is detected, the track detection device is only required to move along the walking guide pipe, the track detection device detects the moving track of the walking guide pipe, and a moving track curve of the track detection device is obtained through analysis and calculation, wherein the moving track curve is a curve formed by positions of a bedding layer, a transition material layer and a rockfill layer of the rockfill dam during detection; it can be seen that, the utility model discloses detection system only needs to pass the bed of material of packing of rock-fill dam, the transition bed of material, the setting of rock-fill body layer earlier in proper order with the walking pipe, later stage monitoring time places the walking pipe with orbit detection device again, and remove along it, just can accurately obtain the condition of rock-fill dam each interlaminar dislocation deformation, the problem of monitoring of dislocation settlement deformation between each interlaminar of rock-fill dam has successfully been solved, this is the monitoring method of mechanical type, do not need complicated equipment and technical staff, it is simple and easy, convenient monitoring, and the reliability and the accuracy of monitoring have been improved, important engineering significance has been had, provide very good application example for the monitoring of dislocation deformation between the interlaminar of rock-fill dam, can promote in similar engineering comprehensively.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic diagram of a moving track curve of a detection trolley in a certain rock-fill dam;
the labels in the figure are: the device comprises a walking guide pipe 1, a padding layer 2, a transition material layer 3, a rock-fill layer 4, a detection trolley 5, a fiber optic gyroscope 6, an accelerometer 7, an anti-seepage body core wall 8 and an inverted filter layer 9.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 and 2, the utility model discloses a monitoring system for rock-fill dam interbedding dislocation warp, including walking pipe 1, orbit detection device, walking pipe 1 passes rock-fill dam's bedding layer 2, transition bed of material 3, the setting of rock-fill body layer 4 in proper order through pre-buried mode, and a tip of walking pipe 1 is arranged in rock-fill dam's prevention of seepage body heart wall 8, and another tip is arranged in the outside at rock-fill body layer 4, and orbit detection device can remove in walking pipe 1.
Specifically, the traveling catheter 1 is preferably a stainless steel tube, and in order to facilitate the movement of the trajectory detection device in the traveling catheter 1, the cross-sectional shape of the traveling catheter 1 is circular, that is, the traveling catheter 1 is cylindrical. The axial line of the impervious body core wall 8 of the rock-fill dam is used as a boundary, the rock-fill dam is divided into a dam body upstream part and a dam body downstream part, and because a large amount of water is arranged above the dam body upstream part, the walking guide pipe 1 is preferably arranged in the dam body downstream part in order to facilitate the installation of the walking guide pipe 1 and the later detection implementation. Furthermore, the walking catheter 1 is preferably horizontally arranged, so that the installation and construction of the walking catheter 1 are facilitated, the analysis of a later-stage detection curve is facilitated, and the detection accuracy is ensured.
The track detection device is used for detecting the moving track of the track detection device, and in order to facilitate the track detection device to move in the walking guide pipe 1, as shown in fig. 2, the track detection device comprises a detection trolley 5 and a track detector, and the track detector is arranged on the detection trolley 5. The method is obtained through a large number of practices and tests, the track detector preferably comprises a fiber optic gyroscope 6 and an accelerometer 7, the fiber optic gyroscope 6 can detect the movement angular velocity of the monitoring trolley 5 during movement, the accelerometer 7 can detect the acceleration of the monitoring trolley 5 during movement, and further the inclination angle value of the monitoring trolley 5 during movement is calculated, the movement angular velocity and the inclination angle value of the monitoring trolley 5 during movement are obtained, the optimal inclination angle value is calculated through strapdown, integral operation is carried out, the movement trajectory line of the monitoring trolley 5 is obtained after calculation, the movement trajectory curve is also the curve formed by the positions of the padding layer 2, the transition material layer 3 and the rockfill layer 4 of the rockfill dam during detection, and the condition of dislocation deformation among all the layers of the rockfill dam can be accurately obtained through curve analysis. In order to facilitate the removal of detection dolly 5, the utility model discloses still be provided with power device, transmission, power device is connected with transmission, and transmission is connected with detection dolly 5, and detection dolly 5 provides power through power device, and transmission's transmission makes detection dolly 5 remove along walking pipe 1. In order to improve the efficiency of calculating and analyzing data and improve the automation level, the track detection device further comprises a processor, the track detection device is connected with the processor, the track detection device detects the moving track of the detection trolley and sends the detected data to the processor, and the processor analyzes and calculates the obtained data to obtain the moving track curve of the detection trolley 5.
The surface of the impervious body core wall 8 of some rock-fill dams is also provided with a reverse filter layer 9, and the walking guide pipe 1 also passes through the reverse filter layer 9, so that the monitoring of the interlayer dislocation deformation of the reverse filter layer 9, the impervious body core wall 8 and the padding layer 2 is realized.
The monitoring method adopting the monitoring system comprises the following steps:
a. arranging a walking guide pipe 1 in a padding layer 2, a transition material layer 3 and a rock-fill layer 4 of the rock-fill dam, wherein one end part of the walking guide pipe 1 is positioned in an impervious body core wall 8 of the rock-fill dam, and the other end part is positioned outside the rock-fill layer 4;
b. the detection trolley 5 moves in the walking guide pipe 1 along the walking guide pipe under the action of a power device and a transmission device, the detection trolley 5 is provided with a track detector, the track detector detects the moving track of the detection trolley 5 and sends the detected data to the processor;
c. the processor analyzes and calculates the data obtained in the step b to obtain a moving track curve of the detection trolley 5;
d. and obtaining the dislocation deformation condition among the padding layer 2, the transition material layer 3 and the rock-fill layer 4 of the rock-fill dam according to the moving track curve of the detection trolley 5.
In the step a, the axial line of an impervious body core wall 8 of the rock-fill dam is taken as a boundary, the rock-fill dam is divided into a dam body upstream part and a dam body downstream part, and in order to facilitate the installation of the walking guide pipe 1 and the later detection implementation, the walking guide pipe 1 is horizontally arranged in the dam body downstream part in a pre-buried mode.
In step b, the trajectory detector comprises a fiber optic gyroscope 6 and an accelerometer 7. It is obtained through a large number of practices and experiments that the track detector preferably comprises an optical fiber gyroscope 6 and an accelerometer 7, the optical fiber gyroscope 6 can detect the movement angular velocity of the monitoring trolley 5 during movement, and the accelerometer 7 can detect the acceleration of the monitoring trolley 5 during movement, so as to calculate the inclination angle value of the monitoring trolley 5 during movement.
When the track line obtained by the inter-layer dislocation deformation does not occur, the moving track curve of the detection trolley 5 is a straight line, as shown in fig. 3, after the inter-layer dislocation deformation occurs, the moving track curve of the detection trolley 5 is a curve, the straight line in the figure is the track line obtained by the non-deformation of a certain rock-fill dam, the curve is the track line obtained by the deformation, and the difference value of the two moving track lines in the vertical direction is the inter-layer dislocation deformation value of the rock-fill dam. It can also be obtained that the impervious core wall 8 and the padding layer 2 have larger deformation values, and the padding layer 2 and the transition layer 3 have larger deformation values.
To sum up, the detection system of the utility model comprises a walking guide pipe 1 and a track detection device, wherein the walking guide pipe 1 can pass through the setting of the bedding material layer 2, the transition material layer 3 and the rockfill layer 4 of the rockfill dam in sequence in a pre-embedded mode, and the walking guide pipe 1 can generate the same deformation when the bedding material layer 2, the transition material layer 3 and the rockfill layer 4 of the rockfill dam are in dislocation deformation; when deformation is detected, the track detection device is only required to move along the walking guide pipe 1, the track detection device detects the moving track of the walking guide pipe, and a moving track curve of the track detection device is obtained through analysis and calculation, wherein the moving track curve is a curve formed by positions of a padding layer 2, a transition material layer 3 and a rock-fill layer 4 of the rock-fill dam during detection; it can be seen that, the utility model discloses detecting system only needs to pass walking pipe 1 earlier in proper order the bedding and padding layer 2 of rock-fill dam, transition bed of material 3, rock-fill body layer 4 sets up, place walking pipe 1 with orbit detection device again during later stage monitoring, and remove along it, just can accurately obtain the condition of rock-fill dam each interlaminar dislocation deformation, the problem of monitoring of dislocation subsidence deformation between each interlaminar of rock-fill dam has successfully been solved, this is the monitoring method of mechanical type, do not need complicated equipment and technical staff, it is simple and easy, convenient monitoring, and the reliability and the accuracy of monitoring have been improved, important engineering significance has been had, monitoring for the interlaminar dislocation deformation of rock-fill dam provides very good application example, can promote in similar engineering comprehensively.
Claims (7)
1. A monitoring system for rock-fill dam interbedded dislocation warp, its characterized in that: including walking pipe (1), orbit detection device, walking pipe (1) passes packing layer (2), transition bed of material (3), the setting of rock-fill body layer (4) of rock-fill dam in proper order, and a tip of walking pipe (1) is arranged in rock-fill dam's impervious body heart wall (8), and another tip is arranged in the outside at rock-fill body layer (4), and orbit detection device can remove in walking pipe (1).
2. The system for monitoring dislocation deformation between rock-fill dam layers of claim 1, wherein: the walking catheter (1) is horizontally arranged.
3. The system for monitoring dislocation deformation between rock-fill dam layers of claim 1, wherein: the cross section of the walking catheter (1) is circular.
4. The system for monitoring dislocation deformation between rock-fill dam layers of claim 1, wherein: the track detection device comprises a detection trolley (5) and a track detector, wherein the track detector is arranged on the detection trolley (5).
5. The system for monitoring dislocation deformation between rock-fill dam layers of claim 4, wherein: the track detector comprises a fiber optic gyroscope (6) and an accelerometer (7).
6. The system for monitoring dislocation deformation between rock-fill dam layers of claim 5, wherein: the track detection device also comprises a processor, a power device and a transmission device, wherein the power device is connected with the transmission device, the transmission device is connected with the detection trolley (5), and the track detector is connected with the processor.
7. The monitoring system for dislocation deformation between rock-fill dam layers as claimed in any one of claims 1 to 6, wherein: the axial line of an impervious body core wall (8) of the rock-fill dam is used as a boundary, the rock-fill dam is divided into a dam body upstream part and a dam body downstream part, and the walking guide pipe (1) is arranged in the dam body downstream part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921218732.2U CN210135906U (en) | 2019-07-30 | 2019-07-30 | Monitoring system for dislocation deformation between rock-fill dam layers |
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| CN201921218732.2U CN210135906U (en) | 2019-07-30 | 2019-07-30 | Monitoring system for dislocation deformation between rock-fill dam layers |
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| CN210135906U true CN210135906U (en) | 2020-03-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274570A (en) * | 2019-07-30 | 2019-09-24 | 中国电建集团成都勘测设计研究院有限公司 | Monitoring system for the deformation of rock-fill dams intercalated dislocation |
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2019
- 2019-07-30 CN CN201921218732.2U patent/CN210135906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274570A (en) * | 2019-07-30 | 2019-09-24 | 中国电建集团成都勘测设计研究院有限公司 | Monitoring system for the deformation of rock-fill dams intercalated dislocation |
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