CN105091951B - A kind of lock station hydraulic structure deformation monitoring and status early warning method - Google Patents
A kind of lock station hydraulic structure deformation monitoring and status early warning method Download PDFInfo
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- CN105091951B CN105091951B CN201510622076.2A CN201510622076A CN105091951B CN 105091951 B CN105091951 B CN 105091951B CN 201510622076 A CN201510622076 A CN 201510622076A CN 105091951 B CN105091951 B CN 105091951B
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Abstract
The invention discloses a kind of lock station hydraulic structure deformation monitoring and status early warning method, to judge the running status of hydraulic structure, and unsafe condition is carried out real-time early warning, it is ensured that hydraulic engineering safe operation.The present invention specifically includes step: select the step of engineering monitoring point；Gather the step of monitoring information；The step of analyses and comparison monitoring information；The step of Treatment Analysis result；The step of status early warning.The present invention is capable of monitoring information and the function such as the issue of data results, engineering state early warning, security to sluice, pumping plant building is analyzed in real time, staff is made to grasp building deformation amount in time and analyze its variation tendency, and engineering management, engineering supervision and maintenance of works maintenance are advised, thus ensure engineering equipment safe operation；Staff utilizes terminal device to be monitored the engineering situation at lock station simultaneously, facilitates the management work at lock station, improves operating efficiency.
Description
Technical field
The present invention relates to a kind of building deformation monitoring method, especially one be applied to sluice, pumping plant or
Lock station combines water conservancy structure deformation monitoring, the variation tendency method for early warning arranged.
Background technology
Hydraulic engineering is the important foundation of Chinese national economy and social development, controlling flood, drain flooded fields, take precautions against natural calamities,
The aspects such as mitigation have played huge effect to the development of national economy.Due to geology, upstream and downstream river water level
The external factor such as change, temperature produce certain impact to water conservancy structure deformation, thus to engineering with set
Standby safe operation brings impact, even causes damage.It is correlated with Regulations requirement according to hydraulic engineering,
Under normal circumstances, pumping plant and water gate engineering use measuring instrument carry out artificial vertical displacement, osmotic pressure, stretch
Contracting seams etc. are observed, and the cycle is longer and owing to instrument and manually-operated reason easily bring accidental error, it is impossible to
, once there is geological disaster and the special water level of upstream and downstream in the most reliable deformation grasping hydraulic structure
The very likely safe operation to equipment and engineering of combination or extreme weather brings hidden danger.Implement the water conservancy project of lock station to build
Build composition deformation automatically to monitor and can dynamically grasp hydraulic structure deformation, meet sluice gate station safe operation
It is actually needed and realizes modernization of water resources, informationalized demand.
Current hydraulic structure deformation monitoring method is primarily present the following aspects problem:
One, hydraulic structure deformation monitoring automaticity is the highest.General artificial observation is surveyed secondary very few, deposits
Bigger at the probability of accidental error, it is impossible to promptly and accurately to grasp building deformation amount.
Two, fail to be used for judging engineering state by building deformation Monitoring Result in time in water project management,
Engineering management, engineering supervision and maintenance of works maintenance are advised.
Three, common hydraulic structure automatic monitoring method can not carry out intelligent early-warning to building deformation trend,
Consequently, it is possible to cause accident or failure propagation.Base plate differential settlement such as pumping plant building may trigger pump
Stand unit fault；The base plate differential settlement of Construction of Sluice thing can cause lock chamber to tilt；May when deforming serious
The base-plate breaking of building can be caused thus have an accident；The seepage deformation of sluice foundation and the two sides soil body can to sluice,
The stability of pumping plant and intensity bring adverse effect, and two kinds of destructions are all difficult to intuitively find.
Four, common hydraulic structure is automatically monitored and can not the most automatically be improved the measurement frequency.
By the retrieval to existing patented technology document, publication No. be " CN104501773A ", entitled " one
Kind of hydraulic structure vertical deformation monitoring device and method " application for a patent for invention be maximally related patent document,
Its deformation monitoring device providing a kind of hydraulic structure and method, deformation monitoring device all component is easy to
Dismounting, is utilized the lifting flexibly of sensing drill bit and is controlled the contraction of drill bit by controller, and adding device can
Effect of use repeatly.This patent document still uses the mode of manual measurement to examine hydraulic structure
Survey, be not involved with intellectual monitoring and the state trend early warning problem of hydraulic structure.
Summary of the invention
The present invention seeks to based on lock station hydraulic structure deformation auto-monitoring achievement, it is provided that a kind of lock station water conservancy project
Building deformation monitoring and status early warning method, to judge the running status of hydraulic structure, and to dangerous
State carries out real-time early warning, it is ensured that engineering safety runs.
The inventive method specifically includes following steps.
The step of selected engineering monitoring point.
Gather the step of monitoring information；Arrange monitoring instrument at selected engineering monitoring point, monitoring instrument is adopted
Collect to building deformation information and relevant information influential on building deformation information be sent to monitoring service
Device；Monitoring instrument includes the sensing apparatus such as hydrostatic level, osmometer, crack gauge, water-level gauge；Building
Deformation information includes vertical displacement, pressure-measuring pipe middle water level and water temperature (osmotic pressure measurement), expansion joint width, crack
Width etc.；Relevant information influential on building deformation information include upstream and downstream river water level, weather temperature,
Pumping plant start number of units, pumping plant flow, sluice open a sluice gate hole count, gate opening, lock flow etc..
The step of analyses and comparison monitoring information；The hydraulic structure deformation information collected is entered by monitoring server
Row storage and intellectual analysis process, deformation data is compared with the historical data same period, and combine outside because of
Element uses trend analysis method analysis to obtain building deformation Trend value, by this building deformation Trend value with default
Warning value contrast, it is judged that engineering state also sends information to engineering operation monitoring and management platform.
The step of Treatment Analysis result；If engineering state is judged as dangerous or occupy critical value, will be in conjunction with
Engineering application situation such as water pump opens number of units, motor vibration situation, sluice water flow and gate opening
Deng analyzing the reason that building deformation transfinites, the most automatically increase the frequency that monitoring information gathers, and according in advance
If time interval issue engineering state information and information warning to designated person.
The step of status early warning: engineering operation monitoring and management platform pass through note system or wireless network to work
Journey status information issues early warning, warning message automatically to terminal device, until administrative staff release warning；
Engineering operation monitoring and management platform are capable of on-line monitoring, warning, report making, data management, remote
Journey services, and realizes inquiry and intelligent early-warning function by terminal device.
Further, in the step of status early warning, when issuing early warning, warning message, on the terminal device
Show building and total looks of monitoring system and/or each monitoring section structure outline and/or instrument distribution, and/or enter
The choosing of row graphic is surveyed and conditional curve shows, and/or alert locations and engineering state information show.
Further, in the step of analyses and comparison monitoring information, warning value is preset as:
Vertical displacement change limit value: interval displacement limit value is ± 5mm, accumulative displacement amount limit value is ±
150mm, same base plate differential settlement amount limit value is 50mm；
Pressure-measuring pipe pipe middle water level change limit value: the sluice of non-tidewater section and pumping plant, water levels of upstream and downstream changes relatively
Little, pressure-measuring pipe pipe middle water level change limit value is set as the 10% of annual water level variable；The sluice of tidal reach and
Pumping plant, pressure-measuring pipe pipe middle water level change limit value needs according in the past comprehensive with time value and annual water level elevation variable quantity
Depending on；
Building expansion joint width or limit of crack opening with concrete meet temperature expand with heat and contract with cold be changed to normal, instead
Be abnormal.
Further, gathering in the step of monitoring information, the collection to monitoring information uses center control to enter
OK, i.e. patrolled survey by all measure-controlling units of monitoring host computer order simultaneously or specify separate unit single-point to carry out choosing survey,
Measure and complete data are stored in Monitoring Data acquisition server；Or use automatic control mode carry out, i.e. by
Each measure-controlling unit is carried out patrolling survey, storage by the setting time automatically, and surveyed data are sent to monitoring
Main frame preserves, backup.
Further, in the step of analyses and comparison monitoring information, the comparison of building deformation information be temperature,
Contrast with its account of the history, if there being sudden change in the case of the combination of upstream and downstream river water level is same or like
Repetition measurement should be carried out；Additionally, for pressure-measuring pipe, if in the pressure-measuring pipe pipe on same chunk base plate water level identical or
Time close, also should carry out repetition measurement.
Further, in the step of analyses and comparison monitoring information, the prediction mode of building deformation trend is:
For vertical displacement, counting period displacement, accumulative displacement amount, draw displacement graph, in conjunction with up and down
Trip river water level variation tendency estimates displacement variation tendency；For osmotic pressure, according to piezometric level, water temperature
With upstream and downstream river water level, contrast historical data, it is judged that ground osmotic pressure variation tendency；For flexible
Seam or crack, estimate expansion joint/fracture width change according to temperature and upstream and downstream river water level variation tendency and become
Gesture.
By using technique scheme, the present invention can obtain following technique effect: is capable of water conservancy project
Building monitoring information and the function such as the issue of data results, engineering state early warning, to sluice, pumping plant
The security of building is analyzed in real time so that staff grasps hydraulic structure deflection in time and divides
Analyse its variation tendency, and engineering management, engineering supervision and maintenance of works maintenance are advised, thus ensure
Engineering equipment safe operation；Have and utilize note system or wireless network automatically to send early warning, warning message
Function, receives system after warning message is confirmed administrative staff and stops paying out information, otherwise will interval one timing
Between continue to retransmit, thus ensure that the effect of early warning；Can be real at the mobile terminal such as mobile phone, Portable notebook
The now monitoring to lock station waterwork composition deformation is inquired about, thus facilitates staff's monitoring to lock station；
Realize when measured value transfinites or measured value rate of change transfinites automatically encrypting monitoring, it is ensured that monitored density so that lock
The safety monitoring work of engineering of standing more has safety guarantee.
Accompanying drawing explanation
Fig. 1 is the monitoring that used of the inventive method and management system composition structural representation.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
The present invention application safety monitoring and management system composition structure as it is shown in figure 1, include measuring instrument,
The monitoring of collection in worksite case, safety monitoring system, database, analysis processor, engineering operation and management platform；
First engineering monitoring point is selected:
Vertical displacement monitoring punctuate is arranged: according to country about the requirement of Hydraulic Engineering Survey specification, sluice,
Pump station engineering is pressed the parting of the polycrystalline substance (base plate etc.) of building and is laid punctuate.The vertical position of general sluice
Move monitoring punctuate and be embedded in the gate pier head of every shoe brake base plate corner, empty van bank (wing) wall corner, gravity type
Or buttress type bank (wing) wall, the two ends of retaining wall, inverted arch bottom plate is embedded in the upstream and downstream end of each gate pier；
The vertical displacement punctuate of pumping plant should bury plural mark underground in side, upstream and downstream respectively according to the size of base plate
Point, the pumping plant that base plate is bigger should suitably set up punctuate in portion in the soleplate.Pumping plant aileron, the punctuate cloth of retaining wall
If it is identical with sluice.Select to lay four vertical displacement monitorings in sluice, pumping plant building monolithic base plate corner
Punctuate, should suitably set up measuring point in portion in the soleplate when base plate is bigger, and arrange working base point at rational position.
The pressure-measuring pipe of osmotic pressure monitoring is arranged: sluice, the quantity of pumping plant porous flow pattern measuring point and position, should basis
The factors such as sluice, the version of pumping plant, underground outline shape and basic geology situation determine, and with energy
Measure the distribution of basis uplift pressure and be changed to principle, being typically located at the representational turnover of underground outline
Place, should arrange a measuring point in the middle of building base plate.Quaywall and engineering upstream and downstream aileron along building should
Bury an appropriate number of measuring point underground, should encrypt for pressure-measuring pipe after the engineering wall that soil property is poor.General every engineering
Measuring frequency section is no less than 2 groups, and often on group section, measuring point should be less than 3.According to sluice, the structure of pumping plant
The factors such as form, underground outline switch and basic geology situation lay pressure-measuring pipe, at the bottom of typically every piece building
Plate arranges 3, buries an appropriate number of pressure-measuring pipe underground after the quaywall and aileron of building.
Expansion joint monitoring punctuate is arranged: building expansion joint is preferably arranged in top of building, water retaining structure
Meet water on the structure expansion joint that side, span (or height) are relatively big or stress is more complicated.It is typically located at building
The structure expansion joint that thing top, the side that meets water of water retaining structure, span (highly) are relatively big or stress is more complicated
On；
Crack Monitoring punctuate is arranged: for affecting the crack of structural safety, should select representational,
Fixed observer punctuate is set.Sluice, the gap observation punctuate of pumping plant or mark should be according to the trend in crack and length
Degree, is laid in the widest part in crack and the end in crack respectively.It is typically chosen and may affect splitting of structural safety
Sew cloth and set monitoring punctuate.
Points for attention during in-site installation:
Hydrostatic level at the most each vertical displacement monitoring punctuate and working base point is installed the discrepancy in elevation and is usually no more than instrument amount
The 10% of journey, as multiple basic point can be arranged when can not reach, and contact level observation class requirement；
2. pressure-measuring pipe bore is preferably 5cm, it is simple to carry out people not taking out in pipe in the case of automatic monitor
Work checks the data of monitoring automatically；
3. upstream and downstream river water level meter should be arranged on the region that water level is not affected by knife switch；
4. expansion joint monitoring needs to arrange the punctuate in horizontal and vertical both direction, and crack only arranges mark transversely
Point.
Collection monitoring information:
Measurements such as meeting the hydrostatic level of required precision, osmometer, crack gauge, water-level gauge is installed at the scene
Equipment, carries out data acquisition:
A, data acquisition modes: reconnaissance measurement, tour inspection, timing detection, and can be at measure-controlling unit
Enterprising pedestrian's work is surveyed and is read；
B, measurement control mode: application response formula and self-reporting type's two ways gather various kinds of sensors data, and
Every sensor is arranged its warning value, and when measured value exceedes warning value, system should be able to carry out automatic alarm；
1. central authorities control (response formula) mode: patrolled survey by all measure-controlling units of monitoring host computer order simultaneously or refer to
Order platform single-point carries out choosing and surveys, and measures and complete data is stored in Monitoring Data acquisition server；
2. automatically control (self-reporting type) mode: by each measure-controlling unit automatically by the setting time carry out patrolling survey,
Storage, and surveyed data are delivered to monitoring host computer backup preservation；
3. manual measurement mode: every measure-controlling unit should possess the interface function of manual measurement.
About safe range and the setting of warning value:
Vertical displacement aspect, according to engineering location hydrogeologic condition and the related request of design document, knot
Closing history observation data and draft warning value, general vertical displacement interval displacement limit value is ± 5mm, accumulative displacement
Amount limit value is ± 150mm, and same base plate differential settlement amount limit value is 50mm；
Osmotic pressure aspect, the piezometric level contrast of actual measurement under same or like upstream and downstream river water level combination
Historical data, should carry out repetition measurement if any water level in pressure-measuring pipe on sudden change or same base plate time essentially identical；
Expansion joint/crack aspect, same or like upstream and downstream river water level combination, at a temperature of actual measurement
Seam width compares with historical data, if any sudden change, should carry out repetition measurement.
Analysis contrastive detection information:
Field monitoring data are sent to safety monitoring system, and carry out Monitoring Data arranging computational analysis,
Judge engineering state.Automatically the total data measured in being stored in collecting unit obtains to software, to prison
Survey data validity to check, guaranteeing that Monitoring Data is processed after authentic and valid by data, to achievement
The value external factor such as incorporation engineering application, upstream and downstream river water level and historical values and Security alert scope
Compare, it is judged that engineering state, send information to project monitor and control and management platform.
1. to vertical offset data counting period displacement, accumulative displacement amount, displacement graph is drawn, knot
The level of tail water of closing variation tendency estimates displacement variation tendency.
2. piezometric level, water temperature, contrast upstream and downstream water level and historical data are monitored, it is judged that ground permeates
Pressure.
3. expansion joint or fracture width should be consistent with temperature and water table trend.
4., when upstream and downstream river water level combines super design standard or exceedes historic high, monitoring is automatically encrypted
(i.e. increasing Monitoring frequency) also issues early warning information, reminds and carries out engineering supervision.
Treatment Analysis result and status early warning:
If measurement result no to scale scope or the Security alert scope arranged in advance are i.e. given at platform interface
Prompting or warning, and will send information to administrative staff's mobile phone, in order to carry out checking or artificial repetition measurement.As
Confirming that engineering state is dangerous, administrative staff issue shutdown or barrier gate instruction, check engineering, look for
Report relevant departments after going out reason, designated person log in project monitor and control and management platform is sounded all clear.
In the present embodiment, when the measured value measuring a certain measuring point obtained reaches the intensive measurement condition of configuration,
The metering system of collecting unit is changed to the intensive measurement mode pre-set；Intensive measurement condition includes
Measured value transfinites and measured value rate of change transfinites.
The invention is not restricted to above-described embodiment, all use equivalent or equivalence to replace the technical scheme formed
Belong to the scope of protection of present invention.
Claims (5)
1. a lock station hydraulic structure deformation monitoring and status early warning method, it is characterised in that include as follows
Step:
The step of selected engineering monitoring point；
Gather the step of monitoring information: arrange monitoring instrument at selected engineering monitoring point, monitoring instrument adopted
Collect to building deformation information and relevant information influential on building deformation information be sent to monitoring service
Device；
The step of analyses and comparison monitoring information: the building deformation information collected is deposited by monitoring server
Storage and intellectual analysis process, and are compared with the historical data same period by deformation data, and combine external factor and divide
Analysis obtains building deformation Trend value, is contrasted with the warning value preset by this building deformation Trend value,
Thus judge engineering state and send information to engineering operation monitoring and management platform；
The step of Treatment Analysis result: if described engineering state is judged as dangerous or occupy critical value, will
Incorporation engineering application analyzes the reason that building deformation transfinites, and the most automatically increases and measures the frequency, and presses
Described engineering state information and information warning is issued to designated person according to default time interval；Described engineering is transported
It is that in number of units, motor vibration situation, sluice water flow and gate opening opened by water pump by situation
Item or multinomial；
The step of status early warning: the monitoring of described engineering operation and management platform are by note system or wireless network
Engineering state information is issued automatically early warning, warning message to terminal device, until administrative staff release
Report to the police.
Method the most according to claim 1, is characterized in that, in the step of described status early warning,
Issue early warning, warning message time, the content shown on the terminal device is: building and monitoring system total
Looks and/or each monitoring section structure outline and/or instrument are distributed and/or graphic choosing is surveyed and conditional curve and/or report
Alert position and/or engineering state information；
Described building deformation information include vertical displacement, pressure-measuring pipe middle water level and water temperature, expansion joint width,
Fracture width；
In the step of described analyses and comparison monitoring information, warning value is preset as: vertical displacement interval displacement
Limit value is ± 5mm, and vertical displacement accumulative displacement amount limit value is ± 150mm, same base plate differential settlement
Amount limit value is 50mm, and pressure-measuring pipe pipe middle water level change limit value in non-tidewater section is set as annual water level variable
10%, tidal reach pressure-measuring pipe pipe middle water level change limit value is according in the past with time value and annual water level elevation variable quantity
Depending on Zong He, building expansion joint width/limit of crack opening meets temperature with concrete and expands with heat and contract with cold and be just changed to
Often.
Method the most according to claim 2, is characterized in that, in the step of described collection monitoring information,
Every sensor is arranged its warning value, when measured value exceedes warning value, and system carries out automatic alarm；To monitoring
The collection of information uses center control to carry out, i.e. by all measure-controlling units of monitoring host computer order simultaneously
Patrol survey or specify separate unit single-point to carry out choosing to survey, measure and complete data are stored in Monitoring Data acquisition server；Or
Person uses automatic control mode to carry out, i.e. by each measure-controlling unit automatically by the setting time carry out patrolling survey,
Storage, and surveyed data are sent to monitoring host computer preservation, backup.
Method the most according to claim 2, is characterized in that, in the step of described analyses and comparison monitoring information
In Zhou, the comparison of described building deformation information is to combine same or like at temperature, upstream and downstream river water level
In the case of contrast with its account of the history, if there being sudden change should carry out repetition measurement, at the bottom of this external same chunk
Also repetition measurement should be carried out when water level is same or like in pressure-measuring pipe on plate.
Method the most according to claim 2, is characterized in that, in the step of described analyses and comparison monitoring information
In Zhou, the prediction mode of described building deformation trend is:
For vertical displacement, counting period displacement, accumulative displacement amount, draw displacement graph, in conjunction with
Upstream and downstream river water level variation tendency estimates displacement variation tendency；
For osmotic pressure, according to piezometric level, water temperature and upstream and downstream river water level, contrast historical data,
Judge ground osmotic pressure variation tendency；
For expansion joint or crack, estimate expansion joint according to temperature and upstream and downstream river water level variation tendency or split
Seam change width trend.
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