CN102562163B - Safety detection method of flood prevention dam system - Google Patents
Safety detection method of flood prevention dam system Download PDFInfo
- Publication number
- CN102562163B CN102562163B CN 201110434944 CN201110434944A CN102562163B CN 102562163 B CN102562163 B CN 102562163B CN 201110434944 CN201110434944 CN 201110434944 CN 201110434944 A CN201110434944 A CN 201110434944A CN 102562163 B CN102562163 B CN 102562163B
- Authority
- CN
- China
- Prior art keywords
- dam body
- dam
- safety
- velocity
- vibration
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 230000002265 prevention Effects 0.000 title abstract 4
- 238000012544 monitoring process Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 41
- 238000006073 displacement reaction Methods 0.000 claims abstract description 31
- 238000009826 distribution Methods 0.000 claims abstract description 23
- 230000010355 oscillation Effects 0.000 claims description 36
- 238000005422 blasting Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000009466 transformation Effects 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004880 explosion Methods 0.000 description 16
- 239000003245 coal Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 230000009471 action Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012067 mathematical method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009781 safety test method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention provides a safety detection method of a flood prevention dam system, which is used for solving the problems that an existing flood prevention dam system is poor in safety and short in service life. The method comprises monitoring seepage pressure, displacement and main vibration frequency of a dam body in the flood prevention dam system, determining stress distribution of the dam body according to the obtained seepage pressure, displacement and main vibration frequency of the dam body, and monitoring safety of the dam body according to the determined stress distribution of the dam body. Due to the facts that the main vibration frequency of the dam body can be determined and safety of the dam body is monitored according to the main vibration frequency of the dam body, comprehensiveness of safety detection of the dam body is improved, the dam body is safer and can be reinforced according to detection results, and the service life of the dam body is prolonged.
Description
Technical field
The present invention relates to the safety detecting method of a kind of flood dam system, particularly the safety detecting method of the flood dam around a kind of colliery system.
Background technology
The characteristics of China's energy resource structure have determined that coal will be as the main energy of China within the quite a long time.The high speed development of economic society also in continuous increase, in order effectively to improve the length of service in each colliery, needs to adopt efficient exploitation method to the demand of the energy.Strip mining transformation becomes preferred coal mining method because it has safety, efficient, resource recovery advantages of higher.
And the colliery generally all is in zone, dark steep gully, easily causes the gathering of rainwater, in order to guarantee opencast exploitativeness, around the colliery for the purpose that reaches flood control, waterproof all is provided with flood dam is.But generally can adopt the mode of pinpoint blasting to exploit for open coal mine, the influence basin of explosion can feed through to flood dam and be, so the safety that flood dam is is greatly affected.
For example for China Ha Erwu element open coal mine, it is located in, and dark steep gully is regional, and the gradient differs greatly, and rainfall is concentrated, and therefore having built a cover flood dam around this open coal mine is to have consisted of the flood control system engineering.Exploit with the mode of pinpoint blasting with the adjacent nearer black Mount Tai ditch Coal Exploitation of Ha Erwu element open coal mine, the scale of explosion reaches every separate explosion 1200t～1500t explosive, quick-fried offset from Ha Erwu element open coal mine more and more close to, its explosion influence basin has directly involved the flood dam system of Ha Erwu element open coal mine.And 150 tons of left and right of the Ha Erwu element each detonating charge amount of Opencut coal mine mining, the outdoor blasting vibration of peeling off ultra-large explosion generation impacts, security and stability and the reliability of a plurality of flood dams that the first exploiting field of the plain open coal mine of the Ha Erwu that adjusts the distance is nearer produce significant impact, to the larger potential impact of safe and efficient production existence in colliery.
And in prior art, when the safety to dam body detects, general all based on the comparatively static method such as dam body displacement and seepage flow.And be positioned at dam body around open coal mine, due to the impact that is subject to explosion, its safety and life-span also have been subject to corresponding impact.Therefore how flood dam system is detected, taken measures timely to guarantee the safety of dam system according to the result that detects, and extend the life-span of flood dam system, the safety in production in colliery is significant.
Summary of the invention
The invention provides the safety detecting method that a kind of flood dam is, is poor stability in order to solve existing flood dam, the problem that the life-span is short.
The safety detecting method that this flood dam of the present invention is comprises:
The seepage pressure of each dam body in to flood dam being and the displacement of dam body are monitored; And
The vibration velocity of the relevant position that monitors according to the monitoring equipment that arranges on dam body is determined the principal oscillation frequency of dam body;
According to the displacement of the seepage pressure that monitors, dam body and the principal oscillation frequency of dam body, determine the stress distribution of dam body and the safety of described dam body is detected.
Preferably, before the displacement of the seepage pressure of each dam body in flood dam system and dam body is monitored, also comprise: select the dam body of monitoring in flood dam system, for the dam body of selecting, monitoring equipment is set.
Preferably, can based on following at least a method, in being, flood dam select the dam body of monitoring:
The dam body of chosen distance burst region in the first set distance range is as the dam body that carries out the safety detection; With
The chosen distance burst region is in the second set distance range, and the dam body that water arranged detects dam body as carrying out safety, and wherein said the second setpoint distance is greater than the first setpoint distance.
Preferably, described dam body for selecting arranges monitoring equipment and comprises: for the dam body of selecting, a plurality of sensors are set on dam body, and the vibration recorder that receives the signal that each sensor sends is set, wherein on the arrival bearing's of blasting vibration position, and at least one sensor setting is on the position of going ripple direction of this dam body at blasting vibration at this dam body at least one sensor setting.
Preferably, the principal oscillation frequency of described definite dam body comprises: according to the vibration velocity of dam body under blasting vibration that each monitoring equipment monitors, determine the maximum velocity of dam body; According to the maximum velocity of the dam body of determining, determine the principal oscillation frequency of dam body.
Preferably, the maximum velocity of described definite dam body comprises: for the vibration velocity of dam body on this time point that each time point, each sensor obtain, the maximum value of searching the vibration velocity that obtains under each time point; With the maximum value of each vibration velocity of obtaining, carry out Fourier transformation, obtain each maximum velocity corresponding to dam body under different frequency domains.
Preferably, the principal oscillation frequency of the seepage pressure that described basis monitors, the displacement of dam body and dam body, determine the stress distribution of dam body, comprise: detect dam body for each, adopt finite element method according to its dam body model, with the principal oscillation frequency of the displacement of the seepage pressure of dam body, dam body and the dam body input parameter as the dam body model, determine the stress distribution of this dam body according to the output of dam body model.
The invention provides the safety detecting method that a kind of flood dam is, the method is monitored seepage pressure, the displacement of dam body and the principal oscillation frequency of dam body of dam body in flood dam system, and according to the seepage pressure of the dam body that obtains, the displacement of dam body and the principal oscillation frequency of dam body, determine the stress distribution of dam body, the safety to dam body detects according to the dam body stress distribution of determining.Due to the principal oscillation frequency that can determine in the present invention dam body, and according to the principal oscillation frequency of dam body, the safety of dam body is monitored, thereby improved the comprehensive of safety of dam body detection, make dam body more safe, and can reinforcing dam body according to the result that detects, thereby the life-span of prolongation dam body.
Description of drawings
Fig. 1 is the testing process of the safety of flood dam provided by the invention system;
Fig. 2 is the detailed process that the safety of this flood dam provided by the invention system detects;
Fig. 3 is the setting position schematic diagram of velocity sensor provided by the invention on dam body.
The specific embodiment
The present invention extends the life-span of flood dam system in order to guarantee the safety of flood dam system, the safety detecting method that provides a kind of flood dam to be.
Below in conjunction with Figure of description, the present invention is described in detail.
In the present invention in order to guarantee the safety of flood dam system, extend the life-span of dam system, when each dam body in to flood dam being detects, in conjunction with seepage pressure, the displacement of each dam body and the bearing capacity that is subject to the blasting vibration impact, each dam body is carried out safety detect.
Fig. 1 is the safety testing process that flood dam provided by the invention is, this process comprises the following steps:
S101: the seepage pressure of each dam body in to flood dam being and the displacement of dam body are monitored.
Be subject to the impact of explosion due to flood dam in the present invention system, when therefore the safety of dam body in to flood dam being detects, in order to improve the efficient of detection, need to select the dam body that detects in flood dam system, the dam body of selecting is carried out the detection of safety.
S102: the vibration velocity of the relevant position that monitors according to the monitoring equipment that arranges on dam body, determine the principal oscillation frequency of dam body.
Wherein, the principal oscillation frequency of determining dam body comprises:
According to the vibration velocity of dam body under blasting vibration that each monitoring equipment monitors, determine the maximum velocity of dam body;
According to the maximum velocity of the dam body of determining, determine the principal oscillation frequency of dam body.
The Sensor monitoring that arranges on according to dam body in the present invention is before the vibration velocity of relevant position, also comprise: the dam body that selection is monitored in flood dam is, select the monitoring equipment setting position on the dam body of selecting, on the position of selecting, monitoring equipment is set.
S103: according to the displacement of the seepage pressure that monitors, dam body and the principal oscillation frequency of dam body, determine the stress distribution of dam body and the safety of described dam body is detected.
In the present invention, when selecting to carry out the dam body of safety detection, the dam body that all dam bodys can be detected as safety still in order to save testing cost, improves the efficient that detects, the dam body of selecting in the present invention the conduct of part dam body to detect.
Concrete, when selecting in the present invention to carry out the dam body of safety detection, can select to comprise based on following at least a method: select representative dam body as the dam body of monitoring, and select to require higher dam body as the dam body of monitoring to explosion.Wherein, when the architectural characteristic of dam body is substantially similar, representative dam body is apart from the dam body of burst region in the first set distance range, and require higher dam body to comprise to explosion, apart from burst region in the second set distance range, and the dam body that water is arranged, wherein the second setpoint distance is greater than the first setpoint distance.
Specifically for example, when selecting the dam body of monitoring, will be apart from the dam body in the first closer set distance range of burst region, as the dam body of monitoring, and when apart from the dam body in burst region the second set distance range, water being arranged, can with apart from burst region the second set distance range, the dam body of water is arranged also as the dam body of monitoring.
After having selected to carry out the dam body of safety detection, seepage pressure and the displacement of this dam body are monitored.And general when the safety to dam body detects, when the water level in dam body is higher, just begin to monitor.And the water level in dam body is determined by the gauge that is arranged in dam body.When the water level value in determining dam body surpasses setting value on gauge, think that the water level in dam body is higher, seepage pressure and the displacement of this dam body are monitored.
Concrete, when the seepage pressure of dam body is monitored, can on the side of dam body, equipment be set, for example: velocity sensor, monitor dam body because the seepage pressure that water seepage flow produces by the velocity sensor that arranges.And when obtaining the displacement of dam body, can determine by the global positioning system (Global Positioning System, GPS) that is arranged on dam body.
Fig. 2 is the detailed process that the safety of this flood dam provided by the invention system detects, and this process comprises the following steps:
S201: the dam body of chosen distance burst region in the first set distance range, as the dam body that carries out the safety detection, and the chosen distance burst region is in the second set distance range, and there is the dam body of water to detect dam body as carrying out safety, wherein, described the second setpoint distance is greater than the first setpoint distance.
S202: select to carry out the position that monitoring equipment arranges on the dam body of monitoring, on the position of selecting, monitoring equipment is set, and corresponding seepage pressure monitoring equipment and GPS are set.
Above-mentioned two processes only need once setting to get final product when carrying out the detection of safety of dam body, and after being provided with monitoring equipment on the dam body that is detecting, the result that the monitoring equipment that when monitoring, reception arranges at every turn monitors gets final product.Detect if need to carry out safety to other positions of other dam bodys or dam body, can repeat above-mentioned two steps, on corresponding dam body, monitoring equipment is set.
S203: the seepage pressure of each dam body in to flood dam being and the displacement of dam body are monitored.
S204: the vibration velocity of the relevant position that monitors according to the monitoring equipment that arranges on dam body, determine the maximum velocity of dam body.
Wherein, determine that the maximum velocity of dam body comprises: for the vibration velocity of dam body on this time point that each time point obtains, the maximum value of searching the vibration velocity that obtains under each time point;
With the maximum value of each vibration velocity of obtaining, carry out Fourier transformation, obtain each maximum velocity corresponding to dam body under different frequency domains.
S205: according to the maximum velocity of the dam body of determining, determine the principal oscillation frequency of dam body.
S206: according to the displacement of the seepage pressure that monitors, dam body and the principal oscillation frequency of dam body, determine the stress distribution of dam body and the safety of described dam body is detected.
In order effectively to monitor the velocity characteristic of dam body under blast action, need to comprehensively detect dam body.And in order to realize the comprehensive monitoring to dam body, can sensor be set in each position of dam body, but in order to save the cost of monitoring, and improve the efficient of monitoring, can select representative location settings sensor in the present invention on dam body.
On concrete dam body in the present invention, representative position comprises: position at the bottom of the apical position of dam body, the dam of dam body, in addition, can also select the centre position of dam body, the velocity characteristic of dam body under the blasting vibration effect can more comprehensively be reacted in these positions.
This sensor can be velocity sensor, this velocity sensor can adopt three-component geophone, wherein this three-component geophone can receive and be converted to the signal of telecommunication simultaneously with the seismic signal of three directions, and it has the Level tune index and the orientation refers to regulating index.
Fig. 3 is the setting position schematic diagram of this velocity sensor provided by the invention on dam body, according to shown in Figure 3, be provided with three velocity sensors on the center line on this dam body top, wherein two velocity sensors lay respectively at the two ends 1 and 3 of dam body top center line, the 3rd velocity sensor is positioned at the centre position 2 of dam body top center line, in addition perpendicular to the dam body center line, and through on the line of dam body top center line mid point and the position of intersecting point at the bottom of the dam 4 and 5, velocity sensor being set respectively, the velocity characteristic of dam body under the blasting vibration effect monitored.
Concrete in the present invention with the above-mentioned position of sensor setting at dam body, be in order to obtain more accurately the velocity characteristic of dam body under blasting vibration.This is because the setting position 4 and 5 of the sensor, can make the sensor of setting monitor respectively arrival bearing and remove the velocity characteristic of ripple direction dam body substrate under blast action, thereby can get the seismic wave of blasting vibration after arriving dam body, and the seismic wave after decaying by dam body.
When each velocity sensor that is arranged on dam body monitors dam body after the velocity characteristic under blast action, concrete is after monitoring the vibration velocity of dam body, the vibration velocity that monitors is sent to Vibration Signal Recorder, after Vibration Signal Recorder will receive the vibration velocity of velocity sensor transmission, record the vibration velocity that this velocity sensor sends for each velocity sensor, convenient follow-up calling and analyzing vibration velocity in the memory of self.
Owing on the dam body of monitoring, monitoring equipment being set, according to the mode of explosion, for each dam body as can be known each monitoring equipment be arranged in the arrival bearing of blasting process, still go the ripple direction.Therefore work as each monitoring equipment-velocity sensor and monitor vibration velocity on each time point, and after vibration velocity is sent to Vibration Signal Recorder and records and preserve, can be according to the vibration velocity that records for each velocity sensor in Vibration Signal Recorder, obtain and be positioned at the vibration velocity that the velocity sensor on the dam body arrival bearing monitors, and be positioned at the vibration velocity that dam body goes the velocity sensor on the ripple direction to monitor.
The vibration velocity that monitors by each velocity sensor on different time points, can determine the seismic wave of the upper blasting vibration of dam body arrival bearing, and go blasting vibration on the ripple direction through the seismic wave after the dam body decay, thereby determine the response characteristic of dam body under blasting vibration, namely determine the principal oscillation frequency of dam body under blasting vibration.
In the process of explosion, the dominant frequency of every separate explosion is all generally different, in order to obtain the maximum velocity of dam body under different dominant frequency explosions, namely obtains the velocity response spectrum of dam body, need to carry out repeatedly explosion, therefore need to monitor the vibration velocity of different time points dam body.
Concrete when determining the principal oscillation frequency of dam body under blasting vibration, for the vibration velocity of dam body on this time point that each velocity sensor of each time point monitors, the maximum value of searching this dam body vibration velocity under each time point.With the maximum value of this dam body vibration velocity of each time point of obtaining, carry out Fourier transformation, this time-domain signal is converted to frequency-region signal, thereby obtains each maximum velocity corresponding to dam body under different frequency domains.
According to each maximum velocity corresponding to dam body under the different frequency domains that obtain, can determine the principal oscillation frequency of dam body, dam body its vibration under this principal oscillation frequency is the most violent, the easiest to be destroyed.Even the Oscillation Amplitude (be the maximum value of vibration velocity) of seismic wave in this frequency range that explosion produces is very little, but also can cause comparatively fierce response (resonance) for dam body.Therefore when carrying out explosion, need to avoid near the dominant frequency of the seismic wave of dam body and the principal oscillation frequency of this dam body to approach as far as possible.
Ought obtain the seepage pressure of dam body in the present invention, after the principal oscillation frequency of the displacement of dam body and dam body, can be according to the seepage pressure of the dam body that obtains, the principal oscillation frequency of the displacement of dam body and dam body, determine the stress distribution of dam body, and the safety to dam body detects according to the stress distribution of the dam body of determining.Wherein, in the present invention according to the seepage pressure of the dam body that obtains, the principal oscillation frequency of the displacement of dam body and dam body, determine the stress distribution of dam body, comprise: detect dam body for each, adopt finite element method according to its dam body model, with the principal oscillation frequency of the displacement of the seepage pressure of dam body, dam body and the dam body input parameter as the dam body model, the output of dam body model is stress distribution and the Displacements Distribution of dam body.
Process generally comprises following steps particularly:
1) at first measure the pressure condition of water in soil with equipment such as interstitial hydraulic pressure meters, namely draw the seepage pressure of dam body.
2) then measure the displacement of dam body by monitoring with total powerstation, obtain the master oscillator frequenc of dam body by the monitoring analysis of Blasting Vibration Velocity.
3) set up FEM (finite element) model again, by the data that recorded, FEM (finite element) model is proofreaded, the parameter of adjustment comprises the constitutive model of soil, the Boundary Stiffness of dam body etc.In the result of calculation that obtains after FEM (finite element) calculation and the basically identical situation of actual monitoring result, thereby then analyze stress distribution and the Displacements Distribution that dam body internal stress etc. draws dam body.
That is to say, the model of dam body mainly refers to FEM (finite element) model, is present general method.Specifically set up geometrical model how much according to dam body, specified material and fringe conditions, load application, assignment algorithm calculates.
Here, finite element method is a kind of general mathematical method, be exactly briefly to use analysis of finite element method static or dynamic physical bodies or physical system, in this method object or system be broken down into by a plurality of that interconnect, simply, the geometrical model that independently forms.In this method, these quantity of independently putting are limited, therefore are called as finite element.Used on each point by the equilibrium equation of deriving in the actual physics model out, therefore produce an equation group.This equation group can be found the solution with the method for linear algebra.
After the stress distribution of having determined dam body, can realize the detection to the safety of dam body.According to the stress distribution result of dam body, the position that the dam body upper stress is larger is as the weak link of dam body, this position of dam body reinforced, thereby can extend life-span of dam body.
The invention provides the safety detecting method that a kind of flood dam is, the method is monitored seepage pressure, the displacement of dam body and the principal oscillation frequency of dam body of dam body in flood dam system, and according to the seepage pressure of the dam body that obtains, the displacement of dam body and the principal oscillation frequency of dam body, determine the stress distribution of dam body, the safety to dam body detects according to the dam body stress distribution of determining.Due to the principal oscillation frequency that can determine in the present invention dam body, and according to the principal oscillation frequency of dam body, the safety of dam body is monitored, thereby improved the comprehensive of safety of dam body detection, make dam body more safe, and can reinforcing dam body according to the result that detects, thereby the life-span of prolongation dam body.
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of claim of the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. the flood dam for colliery blasting is safety detecting method, it is characterized in that, described method comprises:
Step 1: the dam body that selection is monitored in flood dam is, for the dam body of selecting, monitoring equipment is set, based on following at least a method, in being, flood dam selects the dam body of monitoring:
The dam body of chosen distance burst region in the first set distance range is as the dam body that carries out the safety detection; With
The chosen distance burst region is in the second set distance range, and the dam body that water arranged detects dam body as carrying out safety, and wherein said the second setpoint distance is greater than the first setpoint distance;
Step 2: the seepage pressure of each dam body in to flood dam being and the displacement of dam body are monitored; And
Step 3: the vibration velocity of the relevant position that monitors according to the monitoring equipment that arranges on dam body, determine the principal oscillation frequency of dam body;
Step 4: according to the displacement of the seepage pressure that monitors, dam body and the principal oscillation frequency of dam body, determine the stress distribution of dam body and the safety of described dam body is detected.
2. the method for claim 1, is characterized in that, described dam body for selecting arranges monitoring equipment and comprises:
For the dam body of selecting, a plurality of sensors are set on dam body, and the vibration recorder that receives the signal that each sensor sends is set, wherein on the arrival bearing's of blasting vibration position, and at least one sensor setting is on the position of going ripple direction of this dam body at blasting vibration at this dam body at least one sensor setting.
3. the method for claim 1, is characterized in that, the principal oscillation frequency of described definite dam body comprises:
According to the vibration velocity of dam body under blasting vibration that each monitoring equipment monitors, determine the maximum velocity of dam body;
According to the maximum velocity of the dam body of determining, determine the principal oscillation frequency of dam body.
4. method as claimed in claim 3, is characterized in that, the maximum velocity of described definite dam body comprises:
For the vibration velocity of dam body on this time point that each time point, each sensor obtain, the maximum value of searching the vibration velocity that obtains under each time point;
With the maximum value of each vibration velocity of obtaining, carry out Fourier transformation, obtain each maximum velocity corresponding to dam body under different frequency domains.
5. the method for claim 1, is characterized in that, the principal oscillation frequency of the seepage pressure that described basis monitors, the displacement of dam body and dam body is determined to comprise the stress distribution of dam body:
Detect dam body for each, adopt finite element method according to its dam body model, with the principal oscillation frequency of the displacement of the seepage pressure of dam body, dam body and the dam body input parameter as the dam body model, determine the stress distribution of this dam body according to the output of dam body model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110434944 CN102562163B (en) | 2011-12-22 | 2011-12-22 | Safety detection method of flood prevention dam system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110434944 CN102562163B (en) | 2011-12-22 | 2011-12-22 | Safety detection method of flood prevention dam system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562163A CN102562163A (en) | 2012-07-11 |
| CN102562163B true CN102562163B (en) | 2013-06-05 |
Family
ID=46408596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110434944 Active CN102562163B (en) | 2011-12-22 | 2011-12-22 | Safety detection method of flood prevention dam system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102562163B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280075B (en) * | 2013-05-10 | 2015-12-23 | 陕西科技大学 | A kind of device for mining area landslide monitoring |
| CN104600610B (en) * | 2014-06-24 | 2017-02-01 | 云南电网公司 | Construction method for prefabricated substation |
| CN105182412A (en) * | 2015-09-21 | 2015-12-23 | 中国神华能源股份有限公司 | Detection method of coal mine underground reservoir coal pillar dam body earthquake safety |
| CN108122248B (en) * | 2018-01-15 | 2020-04-24 | 武汉大学 | Dam natural vibration frequency identification method based on video measurement |
| CN117702714A (en) * | 2024-02-05 | 2024-03-15 | 中科信德建设有限公司 | Reservoir dam structure stability monitoring method based on vibroflotation gravel pile treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6823737B2 (en) * | 2001-06-06 | 2004-11-30 | The United States Of America As Represented By The Secretary Of The Interior | Non-contact inspection system for large concrete structures |
| JP3722211B2 (en) * | 2001-03-30 | 2005-11-30 | 鹿島建設株式会社 | Diagnostic method and apparatus for concrete structure |
| CN1991357A (en) * | 2005-12-29 | 2007-07-04 | 中国葛洲坝水利水电工程集团有限公司 | Blast source based dam nondestructive detecting system |
| CN102141542A (en) * | 2010-12-27 | 2011-08-03 | 浙江大学 | System and method for elastic wave computed tomography (CT) test of concrete dam based on wireless sensor network |
-
2011
- 2011-12-22 CN CN 201110434944 patent/CN102562163B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3722211B2 (en) * | 2001-03-30 | 2005-11-30 | 鹿島建設株式会社 | Diagnostic method and apparatus for concrete structure |
| US6823737B2 (en) * | 2001-06-06 | 2004-11-30 | The United States Of America As Represented By The Secretary Of The Interior | Non-contact inspection system for large concrete structures |
| CN1991357A (en) * | 2005-12-29 | 2007-07-04 | 中国葛洲坝水利水电工程集团有限公司 | Blast source based dam nondestructive detecting system |
| CN102141542A (en) * | 2010-12-27 | 2011-08-03 | 浙江大学 | System and method for elastic wave computed tomography (CT) test of concrete dam based on wireless sensor network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102562163A (en) | 2012-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Huang et al. | Development and in-situ application of a real-time monitoring system for the interaction between TBM and surrounding rock | |
| CN102562163B (en) | Safety detection method of flood prevention dam system | |
| Aydan et al. | A new rock mass quality rating system: rock mass quality rating (RMQR) and its application to the estimation of geomechanical characteristics of rock masses | |
| CN102865081B (en) | Water-preserved mining method | |
| Xu et al. | Comprehensive evaluation of excavation-damaged zones in the deep underground caverns of the Houziyan hydropower station, Southwest China | |
| CN100555000C (en) | A kind of contactless rock pressure [in mine observation and evaluation method | |
| CN107630474B (en) | Dynamic determination method for anti-skid durability of slope anti-skid pile | |
| JP3894494B2 (en) | Sediment disaster prediction system, regional information provision system, and sediment disaster prediction method | |
| Li et al. | Microseismic monitoring and numerical simulation on the stability of high-steep rock slopes in hydropower engineering | |
| CN104653226A (en) | Stress-gradient-based method for dividing coal impact ground pressure danger area | |
| CN103399342B (en) | A kind of transient unloading induced vibration forecasting procedure based on strain of rock mass energy | |
| Zhang et al. | Study of a roof water inrush prediction model in shallow seam mining based on an analytic hierarchy process using a grey relational analysis method | |
| CN203271815U (en) | Optical fiber sensing technology-based safety monitoring system of coal mine roof | |
| Ding et al. | Automatic monitoring of slope deformations using geotechnical instruments | |
| Lin et al. | Design of shield tunnel lining taking fluctuations of river stage into account | |
| Yin et al. | In situ dynamic monitoring of stress revolution with time and space under coal seam floor during longwall mining | |
| CN104834012A (en) | Electromagnetic radiation monitoring early warning method of mine roof water inrush | |
| CN113586160B (en) | Comprehensive-caving face water condition monitoring system based on artificial intelligence | |
| CN102506621B (en) | Method for determining coal mine blasting mode based on principal vibration frequency of flood-control dam system | |
| CN106643630B (en) | It is a kind of monitoring the back production of gob side entry retaining obturation during stability system and method | |
| CN110991009B (en) | Method for determining stress deformation of buried pipeline by soil body loss below pipeline | |
| CN205049133U (en) | Tunnel surrouding rock deformation dynamic monitoring system | |
| Evseev et al. | Remote instrumental monitoring of interchamber pillar stability | |
| CN112987094B (en) | Hydraulic fracturing influence range evaluation method based on coal seam wave velocity field test | |
| Zhang et al. | On-site tests investigating the effects of blasting vibration amplitude on the dynamic response of thin spray-on liner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |