CN109405893A - Coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device - Google Patents
Coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device Download PDFInfo
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- CN109405893A CN109405893A CN201811596104.8A CN201811596104A CN109405893A CN 109405893 A CN109405893 A CN 109405893A CN 201811596104 A CN201811596104 A CN 201811596104A CN 109405893 A CN109405893 A CN 109405893A
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Abstract
A kind of coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, is provided with multiple environment monitoring devices, is monitored to physical environment locating for Long-Span Steel Space Structures；Multiple network node detection sensors, multiple detection sensors are set to the destination node of Long-Span Steel Space Structures, carry out performance monitoring to destination node；And primary processor, it is electrically connected respectively with environment monitoring device, network node detection sensor, reads the information of sensor detection, and be analyzed and processed.The present invention is capable of the health status of real-time monitoring high-speed rail station Long-Span Steel Space Structures, finds defective locations in time.
Description
Technical field
The present invention relates to steel construction health monitoring technique fields, more particularly to a kind of coastal area high-speed rail station large span sky
Between steel construction health monitoring device.
Background technique
Currently, high-speed rail Passenger Station Building, platform steel structure canopy mostly use the net of the big scale of construction, large span, structural system complexity
The forms such as frame, truss, such as: have in Guangzhou Railway Corporation's pipe 70 stations such as Guang Zhounan, Shen Zhenbei, Hai Koudong, Sanya be all made of greatly across
Spend spatial steel structure.
High-speed rail passenger station steel construction station, platform canopy are different from general civil buildings, since the high-speed rail station volume of the flow of passengers is big,
Non-exchange structural elements during its main structure and use is 100 years progress durability Designs by service life, in addition
Coastal area station is also easy to be influenced by chloride ion corrosion, and structural material inevitably generates damage in experience so long service life.
In order to avoid the generation of dangerous item, steel construction health monitoring pair is carried out in time it is ensured that using safe very necessary.
In the prior art, the relevant technologies of coastal area high-speed rail station Long-Span Steel Space Structures health monitoring are not directed to,
Common detection means tends not to take into account again whole detection and requires or be exactly use cost height complicated for operation.
Therefore, in view of the shortcomings of the prior art, providing a kind of Long-Span Steel Space Structures health monitoring of coastal area high-speed rail station
Device is very necessary to overcome the deficiencies of the prior art.
Summary of the invention
A kind of coastal area high-speed rail station large span is provided it is an object of the invention to avoid the deficiencies in the prior art place
Spatial steel structure health monitoring device is capable of the health status of real-time monitoring high-speed rail station Long-Span Steel Space Structures, is found in time
Defective locations.
The object of the present invention is achieved by the following technical measures.
A kind of coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device is provided, is provided with
Multiple environment monitoring devices are monitored physical environment locating for Long-Span Steel Space Structures；
Multiple network node detection sensors, multiple detection sensors are set to the target section of Long-Span Steel Space Structures
Point carries out performance monitoring to destination node；With
Primary processor is electrically connected with environment monitoring device, network node detection sensor respectively, reads sensor detection
Information, and be analyzed and processed.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, multiple environmental monitorings
The monitoring of parameter in terms of device is included at least to temperature, humidity, corrosivity, wind speed, sunshine.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, the destination node
It is to carry out selection according to Long-Span Steel Space Structures, specific choice mode is:
Main supporting member destination node is chosen, and the section, individually of the main support column in Long-Span Steel Space Structures is selected
Span is more than one or more points on 15 meters of crossbeam, is coupled fork branch intersection point of the fork branch more than 5 as supporting member mesh
Mark node；
Aobvious sign destination node is chosen, and selects any number of in addition to main supporting member node in Long-Span Steel Space Structures
Position is as aobvious sign destination node；
The space coordinate of each destination node and the parameter of each destination node monitoring are recorded, then any one space is saved
Point Si passes through Si=(Xi, Yi, Zi, Fi) mark, wherein i is the serial number of space nodes, main supporting member destination node and aobvious sign
The summation of destination node is N, 1≤i≤N, Xi、Yi、ZiRespectively destination node SiIt is corresponding in space X axis, Y-axis, Z-direction
Coordinate, FiRepresent space nodes SiLocate the parameter of monitoring, FiFor at least one of stress, strain.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, detection sensor are set
It is set to stress strain gauge, detects stress or strain signal at destination node.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, the primary processor
It is analyzed, is sentenced according to the environmental parameter of the monitoring information combining environmental monitoring device conveying of network node detection sensor conveying
The health status of broken height iron station Long-Span Steel Space Structures.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, the primary processor
Judged at the corresponding monitoring position of each sensor according to formula I with the presence or absence of health risk；
P is the current health relative risk at the sensor monitoring position being judged, fnowFor the parameter of sensor current detection
Numerical value, f?For the normal parameter numerical value of sensor, γ is material impact factor, λαFor Environmental Factors, λ is environmental factor base
Number, α are effect amplitude；
When P value is more than or equal to 0 less than 0.3, judge that the corresponding monitoring position of sensor is in health status；
When P value is more than or equal to 0.3 less than 0.4, judge that there are " weakness " health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.4 less than 0.6, judge that there are high health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.7, judge that there are serious health risks for the corresponding monitoring position of sensor.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, high-speed rail station large span
The material impact factor γ of spatial steel structure takes 1.37-1.51.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, high-speed rail station large span
The material impact factor γ of spatial steel structure takes 1.40-1.45.
Preferably, above-mentioned coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, λαFor environment influence
The factor, λ are environmental factor radix, are calculated by formula II, and α is effect amplitude, and α takes 2-3；
K1For temperature weight factor, T is the temperature measured at current time, T0For reference temperature；
K2For humidity weight factor, H is the humidity measured at current time, H0For with reference to humidity；
K3For degree of corrosion weight factor, C is the salinity in the air measured at current time；
K4For wind speed weight factor, W is the wind speed measured at current time；
K5For sunshine weight factor, U is the sunshine-duration length on date where current time, U0It is long with reference to the sunshine-duration
Degree.
Preferably, primary processor judges the holistic health risk of high-speed rail station Long-Span Steel Space Structures according to formula III；
Wherein, j is the label of respective sensor, 1≤j≤N, PjThe corresponding monitoring position of the sensor being judged for j-th
The current health relative risk at place, ζ are monitoring position sensor weight factor, ζjThe corresponding monitoring of the sensor being judged for j-th
Monitoring position sensor weight factor at position；
Work as PIt is wholeWhen value is less than 0.5, judge that high-speed rail station Long-Span Steel Space Structures are in health status；
Work as PIt is wholeWhen value is more than or equal to 0.5 less than 0.6, judging high-speed rail station Long-Span Steel Space Structures, there are high health wind
Danger；
Work as PIt is wholeWhen value is more than or equal to 0.7, judge that there are serious health risks for high-speed rail station Long-Span Steel Space Structures.
Coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device of the invention is provided with multiple environment prisons
Device is surveyed, physical environment locating for Long-Span Steel Space Structures is monitored；Multiple network node detection sensors, multiple spies
The destination node that sensor is set to Long-Span Steel Space Structures is surveyed, performance monitoring is carried out to destination node；And primary processor, point
It is not electrically connected with environment monitoring device, network node detection sensor, reads the information of sensor detection, and carried out at analysis
Reason.The present invention is capable of the health status of real-time monitoring high-speed rail station Long-Span Steel Space Structures, finds defective locations in time.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1.
A kind of coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, is provided with
Multiple environment monitoring devices are monitored physical environment locating for Long-Span Steel Space Structures；
Multiple network node detection sensors, multiple detection sensors are set to the target section of Long-Span Steel Space Structures
Point carries out performance monitoring to destination node；With
Primary processor is electrically connected with environment monitoring device, network node detection sensor respectively, reads sensor detection
Information, and be analyzed and processed.
Wherein, the prison of parameter in terms of multiple environment monitoring devices are included at least to temperature, humidity, corrosivity, wind speed, sunshine
It surveys.By being monitored to temperature, humidity, degree of corrosion, wind speed, sunshine-duration length, the military service to Long-Span Steel Space Structures
Environment is monitored.Determine that environmental factor influences risk caused by it in time.Coastal area high-speed rail station large span space steel knot
Structure is in use, will receive high temperature, humidity, salt corrosion impact, also suffers from the influence of wind speed, sunshine-duration length.
The coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device is monitored big by multiple detection sensors
Ess-strain situation at the destination node of span spatial steel construction judges according to the ess-strain information at each destination node
Health condition at respective nodes.
According to having Long-Span Steel Space Structures to carry out selection, specific choice mode is destination node:
Main supporting member destination node is chosen, and the section, individually of the main support column in Long-Span Steel Space Structures is selected
Span is more than one or more points on 15 meters of crossbeam, is coupled fork branch intersection point of the fork branch more than 5 as supporting member mesh
Mark node.
Aobvious sign destination node is chosen, and selects any number of in addition to main supporting member node in Long-Span Steel Space Structures
Position is as aobvious sign destination node.
Main supporting member carries the load-bearing effect in Long-Span Steel Space Structures, and performance is to integrated steel-structure to pass
It is important, it is therefore desirable to which that it is monitored emphatically.Main supporting member destination node is chosen, and is supervised to main load-bearing building
It surveys.Stress strain gauge is set in the cross-section location of main support column, the sectional position of main support column can choose main support
The section of any position on column, stress strain gauge in order to facilitate the installation of, can preferentially select main support column with it is other
Section at component link position is as destination node.Be more than 15 meters of crossbeam for independent span, at least select at one as
Destination node is monitored by stress strain gauge.It is more than 15 meters of crossbeam for independent span, also can according to need
Be arranged at two or at three or other quantity as destination node carry out ess-strain information monitoring.Pitching branch intersection point is large span
The weak link of spatial steel structure, health risk tend to more early embody by ess-strain performance.Selection is coupled fork branch
Fork branch intersection point more than 5 carries out ess-strain monitoring as supporting member destination node.
The space coordinate of each destination node and the parameter of each destination node monitoring are recorded, then any one space is saved
Point Si passes through Si=(Xi, Yi, Zi, Fi) mark, wherein i is the serial number of space nodes, main supporting member destination node and aobvious sign
The summation of destination node is N, 1≤i≤N, Xi、Yi、ZiRespectively destination node SiIt is corresponding in space X axis, Y-axis, Z-direction
Coordinate, FiRepresent space nodes SiLocate the parameter of monitoring, FiFor at least one of stress, strain.
Specifically, detection sensor is set as stress strain gauge, stress or strain letter at destination node are detected
Number.Stress strain gauge can choose the sensor of HBM SLB700A model or BFH350 or other models, herein not
It enumerates.
The ring for the monitoring information combining environmental monitoring device conveying that primary processor is conveyed according to network node detection sensor
Border parameter is analyzed, and judges the health status of high-speed rail station Long-Span Steel Space Structures.
Primary processor is according to the extent of deviation between each sensor current detecting parameter numerical value and normal parameter numerical value
Judge the health condition at corresponding destination node location.
Specifically, primary processor judges at the corresponding monitoring position of each sensor according to formula I with the presence or absence of health risk；
P is the current health relative risk at the sensor monitoring position being judged, fnowFor the parameter of sensor current detection
Numerical value, f?For the normal parameter numerical value of sensor, γ is material impact factor, λαFor Environmental Factors, λ is environmental factor base
Number, α are effect amplitude；
When P value is more than or equal to 0 less than 0.3, judge that the corresponding monitoring position of sensor is in health status；
When P value is more than or equal to 0.3 less than 0.4, judge that there are " weakness " health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.4 less than 0.6, judge that there are high health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.7, judge that there are serious health risks for the corresponding monitoring position of sensor.
It being detected by actual verification, the material impact factor γ of high-speed rail station Long-Span Steel Space Structures takes 1.37-1.51, with
γ takes 1.40-1.45 more acurrate.
λαFor Environmental Factors, λ is environmental factor radix, is calculated by formula II, and α is effect amplitude, and α takes
2—3；
K1For temperature weight factor, T is the temperature measured at current time, T0For reference temperature；
K2For humidity weight factor, H is the humidity measured at current time, H0For with reference to humidity；
K3For degree of corrosion weight factor, C is the salinity in the air measured at current time；
K4For wind speed weight factor, W is the wind speed measured at current time；
K5For sunshine weight factor, U is the sunshine-duration length on date where current time, U0It is long with reference to the sunshine-duration
Degree.
Other than obtaining the health condition of each sensor corresponding position, position can also be monitored according to each sensor
The current health relative risk at place obtains the holistic health risk of high-speed rail station Long-Span Steel Space Structures.
Specifically, primary processor judges the holistic health risk of high-speed rail station Long-Span Steel Space Structures according to formula III；
Wherein, j is the label of respective sensor, 1≤j≤N, PjThe corresponding monitoring position of the sensor being judged for j-th
The current health relative risk at place, ζ are monitoring position sensor weight factor, ζjThe corresponding monitoring of the sensor being judged for j-th
Monitoring position sensor weight factor at position；
Work as PIt is wholeWhen value is less than 0.5, judge that high-speed rail station Long-Span Steel Space Structures are in health status；
Work as PIt is wholeWhen value is more than or equal to 0.5 less than 0.6, judging high-speed rail station Long-Span Steel Space Structures, there are high health wind
Danger；
Work as PIt is wholeWhen value is more than or equal to 0.7, judge that there are serious health risks for high-speed rail station Long-Span Steel Space Structures.
The coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, by selection target node, to important
Position of joints is detected, and judges health risk by the deviation situation of detecting parameter numerical value.It is big suitable for coastal area high-speed rail
Span spatial steel construction can find health risk in time.
Embodiment 2.
A kind of coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, to Hainan rotary island high-speed rail Hai Koudong
The rack steel construction stood is illustrated for being monitored.
The steel construction health monitoring device is provided with multiple environment monitoring devices, respectively to the rack steel construction institute at high-speed rail station
Temperature, humidity, degree of corrosion, wind speed, the sunshine etc. of place's environment are monitored.
Temperature monitoring has the temperature monitor of CTI-155X to carry out temperature sensing using model.Humidity detection uses Wei Kemei
The WKT-R-150ZS opened up carries out humidity detection.The measurement of environment salt is carried out using PosiTector SST salt tester, is used
EC450 wind speed detector carries out wind speed measurement, carries out the monitoring of sunshine-duration length using benevolence section illuminance speed changer.
It should be noted that carrying out the device of environmental monitoring can complete by the way that each independent monitoring device is respectively corresponding
The monitoring device of wherein several parameters can also be integrated in an instrument and be monitored by parameter detecting, such as selection EE07,
EE08 Temperature Humidity Sensor carries out temperature, humidity detection；All monitoring devices can also be monolithically integrated in a monitoring device
It is monitored.
It should be noted that above-described embodiment is the monitoring device for listing a kind of model, also can choose in practice
The monitoring device of other models.Model CTI-155X, CTI-190X, CTI-220X, CTI-280X, CTI-356X are such as used,
The temperature monitor of SL-CTM-530, SL-ZB-5-QC, SL-ZB-5-QD, SL-CTI-190X-85, SL-CTI-220X-105 etc.
Carry out temperature monitoring.Those skilled in the art can select suitable model under the premise of meeting technical scheme.
By multiple environment monitoring devices, respectively to temperature, the humidity, corrosion of the rack steel construction local environment at high-speed rail station
Degree, wind speed, sunshine etc. are monitored, and obtain the parameters such as temperature, humidity, degree of corrosion, wind speed, the sunshine at current time, then pass through
Formula II calculates Environmental Factors.
λαFor Environmental Factors, λ is environmental factor radix, is calculated by formula II, and α is effect amplitude, and α takes
2-3,2 are taken in the present embodiment.
K1For temperature weight factor, T is the temperature measured at current time, T0For reference temperature；
K2For humidity weight factor, H is the humidity measured at current time, H0For with reference to humidity；
K3For degree of corrosion weight factor, C is the salinity in the air measured at current time；
K4For wind speed weight factor, W is the wind speed measured at current time；
K5For sunshine weight factor, U is the sunshine-duration length on date where current time, U0It is long with reference to the sunshine-duration
Degree.
The coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device is monitored big by multiple detection sensors
Ess-strain situation at the destination node of span spatial steel construction judges according to the ess-strain information at each destination node
Health condition at respective nodes.Detection sensor is carried out using SA-DYB16A dynamic stress and strain measuring and analysing meter.It needs
Bright, detection sensor can also select other models as needed, be not limited to situation in the present embodiment, such as can choose
Dynamic strain strain gauge of SA-DYB0804 model etc..
Primary processor is according to the extent of deviation between each sensor current detecting parameter numerical value and normal parameter numerical value
Judge the health condition at corresponding destination node location.
Specifically, primary processor judges at the corresponding monitoring position of each sensor according to formula I with the presence or absence of health risk；
P is the current health relative risk at the sensor monitoring position being judged, fnowFor the parameter of sensor current detection
Numerical value, f?For the normal parameter numerical value of sensor, γ is material impact factor, λαFor Environmental Factors, λ is environmental factor base
Number, α are effect amplitude；
When P value is more than or equal to 0 less than 0.3, judge that the corresponding monitoring position of sensor is in health status；
When P value is more than or equal to 0.3 less than 0.4, judge that there are " weakness " health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.4 less than 0.6, judge that there are high health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.7, judge that there are serious health risks for the corresponding monitoring position of sensor.
In the present embodiment, the material impact factor γ of high-speed rail station Long-Span Steel Space Structures takes 1.40, λαFor environment influence
The factor.
The coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, can visit important position of joints
It surveys, health risk is judged by the deviation situation of detecting parameter numerical value, find the health risk of steel construction in time.
Embodiment 3.
A kind of coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, with the truss structure at Sanya high-speed rail station
Large span platform canopy steel construction is that monitoring object monitors its health risk.
The steel construction health monitoring device is provided with multiple environment monitoring devices, respectively to the rack steel construction institute at high-speed rail station
Temperature, humidity, degree of corrosion, wind speed, the sunshine etc. of place's environment are monitored.
Temperature monitoring carries out temperature sensing using the temperature sensor of model EE07.Humidity detection is wet using EE08 model
It spends sensor and carries out humidity detection, the measurement of environment salt is carried out using PosiTector SST salt tester, using EC450 wind
Fast detector carries out wind speed measurement, carries out the monitoring of sunshine-duration length using benevolence section illuminance speed changer.
By multiple environment monitoring devices, respectively to the temperature of the steel construction local environment at high-speed rail station, humidity, degree of corrosion,
Wind speed, sunshine etc. are monitored, and obtain the parameters such as temperature, humidity, degree of corrosion, wind speed, the sunshine at current time, then pass through formula
II calculates Environmental Factors.
λαFor Environmental Factors, λ is environmental factor radix, is calculated by formula II, and α is effect amplitude, and α takes
2.7。
K1For temperature weight factor, T is the temperature measured at current time, T0For reference temperature；
K2For humidity weight factor, H is the humidity measured at current time, H0For with reference to humidity；
K3For degree of corrosion weight factor, C is the salinity in the air measured at current time；
K4For wind speed weight factor, W is the wind speed measured at current time；
K5For sunshine weight factor, U is the sunshine-duration length on date where current time, U0It is long with reference to the sunshine-duration
Degree.
In the present embodiment, K1Take 1.3, K2Take 1.5, K3Take 1.47, K4Take 1.2, K5Take 1.15.
The coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device is monitored big by multiple detection sensors
Ess-strain situation at the destination node of span spatial steel construction judges according to the ess-strain information at each destination node
Health condition at respective nodes.Detection sensor picks up the dynamic strain strain gauge for selecting SA-DYB0804 model.
Primary processor is according to the extent of deviation between each sensor current detecting parameter numerical value and normal parameter numerical value
Judge the health condition at corresponding destination node location.
Specifically, primary processor judges at the corresponding monitoring position of each sensor according to formula I with the presence or absence of health risk；
P is the current health relative risk at the sensor monitoring position being judged, fnowFor the parameter of sensor current detection
Numerical value, f?For the normal parameter numerical value of sensor, γ is material impact factor, takes 1.2, λαFor Environmental Factors, λ is environment
Factor radix, α are effect amplitude；
When P value is more than or equal to 0 less than 0.3, judge that the corresponding monitoring position of sensor is in health status；
When P value is more than or equal to 0.3 less than 0.4, judge that there are " weakness " health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.4 less than 0.6, judge that there are high health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.7, judge that there are serious health risks for the corresponding monitoring position of sensor.
In the present embodiment, the material impact factor γ of high-speed rail station Long-Span Steel Space Structures takes 1.47, λαFor environment influence
The factor.
Other than obtaining the health condition of each sensor corresponding position, at each sensor monitoring position
Current health relative risk obtains the holistic health risk of high-speed rail station Long-Span Steel Space Structures.
Specifically, primary processor judges the holistic health risk of high-speed rail station Long-Span Steel Space Structures according to formula III；
Wherein, j is the label of respective sensor, 1≤j≤N, PjThe corresponding monitoring position of the sensor being judged for j-th
The current health relative risk at place, ζ are monitoring position sensor weight factor, ζjThe corresponding monitoring of the sensor being judged for j-th
Monitoring position sensor weight factor at position；
Work as PIt is wholeWhen value is less than 0.5, judge that high-speed rail station Long-Span Steel Space Structures are in health status；
Work as PIt is wholeWhen value is more than or equal to 0.5 less than 0.6, judging high-speed rail station Long-Span Steel Space Structures, there are high health wind
Danger；
Work as PIt is wholeWhen value is more than or equal to 0.7, judge that there are serious health risks for high-speed rail station Long-Span Steel Space Structures.
The coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, can visit important position of joints
It surveys, health risk is judged by the deviation situation of detecting parameter numerical value, find the health risk of steel construction in time.It simultaneously can be right
Integrated steel-structure health condition is monitored, and obtains overall risk situation in time.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can with modification or equivalent replacement of the technical solution of the present invention are made, without departing from technical solution of the present invention essence and
Range.
Claims (10)
1. coastal area high-speed rail station Long-Span Steel Space Structures health monitoring device, which is characterized in that be provided with
Multiple environment monitoring devices are monitored physical environment locating for Long-Span Steel Space Structures；
Multiple network node detection sensors, multiple detection sensors are set to the destination node of Long-Span Steel Space Structures, right
Destination node carries out performance monitoring；With
Primary processor is connect with environment monitoring device, network node detection sensor respectively, reads the information of sensor detection,
And it is analyzed and processed to obtain the health status of high-speed rail station Long-Span Steel Space Structures.
2. coastal area high-speed rail according to claim 1 station Long-Span Steel Space Structures health monitoring device, feature exist
In multiple environment monitoring devices include at least the monitoring to temperature, humidity, corrosivity, wind speed, sunshine parameter.
3. coastal area high-speed rail according to claim 1 or 2 station Long-Span Steel Space Structures health monitoring device, feature
It is, the destination node is that selection is carried out according to Long-Span Steel Space Structures feature, and specific choice mode includes mainly holding
It reconstructs part destination node and chooses and show sign destination node selection；
Main supporting member destination node is chosen, the section of the main support column in selection Long-Span Steel Space Structures, independent span
One or more points, fork branch intersection point of the connection fork branch more than 5 on crossbeam more than 15 meters are as supporting member target section
Point；
Aobvious sign destination node is chosen, and any number of positions in Long-Span Steel Space Structures in addition to main supporting member node are selected
As aobvious sign destination node；
The space coordinate of each destination node and the parameter of each destination node monitoring are recorded, then to any one space nodes Si
Pass through Si=(Xi, Yi, Zi, Fi) mark, wherein i is the serial number of space nodes, main supporting member destination node and aobvious sign target
The summation of node is N, 1≤i≤N, Xi、Yi、ZiRespectively destination node SiIn space X axis, Y-axis, the corresponding coordinate of Z-direction,
FiRepresent space nodes SiLocate the parameter of monitoring, FiFor at least one of stress, strain.
4. coastal area high-speed rail according to claim 3 station Long-Span Steel Space Structures health monitoring device, feature exist
In detection sensor is set as stress strain gauge, detects stress or strain signal at destination node.
5. coastal area high-speed rail according to claim 4 station Long-Span Steel Space Structures health monitoring device, feature exist
In the environment that the primary processor is conveyed according to the monitoring information combining environmental monitoring device that network node detection sensor conveys
Parameter is analyzed, and judges the health status of high-speed rail station Long-Span Steel Space Structures.
6. coastal area high-speed rail according to claim 5 station Long-Span Steel Space Structures health monitoring device, feature exist
In,
The primary processor judges at the corresponding monitoring position of each sensor according to formula I with the presence or absence of health risk；
P is the current health relative risk at the corresponding monitoring position of sensor being judged, fnowFor the parameter of sensor current detection
Numerical value, f?For the normal parameter numerical value of sensor, γ is material impact factor, λαFor Environmental Factors, λ is environmental factor base
Number, α are effect amplitude；
When P value is more than or equal to 0 less than 0.3, judge that the corresponding monitoring position of sensor is in health status；
When P value is more than or equal to 0.3 less than 0.4, judge that there are " weakness " health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.4 less than 0.6, judge that there are high health risks for the corresponding monitoring position of sensor；
When P value is more than or equal to 0.7, judge that there are serious health risks for the corresponding monitoring position of sensor.
7. coastal area high-speed rail according to claim 6 station Long-Span Steel Space Structures health monitoring device, feature exist
In the material impact factor γ of high-speed rail station Long-Span Steel Space Structures takes 1.37-1.51.
8. coastal area high-speed rail according to claim 7 station Long-Span Steel Space Structures health monitoring device, feature exist
In the material impact factor γ of high-speed rail station Long-Span Steel Space Structures takes 1.40-1.45.
9. coastal area high-speed rail according to claim 8 station Long-Span Steel Space Structures health monitoring device, feature exist
In λαFor Environmental Factors, λ is environmental factor radix, is calculated by formula II, and α is effect amplitude, and α takes 2-3；
K1For temperature weight factor, T is the temperature measured at current time, T0For reference temperature；
K2For humidity weight factor, H is the humidity measured at current time, H0For with reference to humidity；
K3For degree of corrosion weight factor, C is the salinity in the air measured at current time；
K4For wind speed weight factor, W is the wind speed measured at current time；
K5For sunshine weight factor, U is the sunshine-duration length on date where current time, U0To refer to sunshine-duration length.
10. coastal area high-speed rail according to claim 9 station Long-Span Steel Space Structures health monitoring device, feature exist
In,
The primary processor judges the holistic health risk of high-speed rail station Long-Span Steel Space Structures according to formula III；
Wherein, j is the label of respective sensor, 1≤j≤N, PjWorking as at the corresponding monitoring position of the sensor being judged for j-th
Preceding health risk rate, ζ are monitoring position sensor weight factor, ζjAt the corresponding monitoring position of the sensor being judged for j-th
Monitoring position sensor weight factor；
Work as PIt is wholeWhen value is less than 0.5, judge that high-speed rail station Long-Span Steel Space Structures are in health status；
Work as PIt is wholeWhen value is more than or equal to 0.5 less than 0.6, judging high-speed rail station Long-Span Steel Space Structures, there are high health risks；
Work as PIt is wholeWhen value is more than or equal to 0.7, judge that there are serious health risks for high-speed rail station Long-Span Steel Space Structures.
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