CN106812294A - The intelligent bracket system and its installation and application of integral steel platform - Google Patents
The intelligent bracket system and its installation and application of integral steel platform Download PDFInfo
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- CN106812294A CN106812294A CN201611152304.5A CN201611152304A CN106812294A CN 106812294 A CN106812294 A CN 106812294A CN 201611152304 A CN201611152304 A CN 201611152304A CN 106812294 A CN106812294 A CN 106812294A
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- bracket
- fbg
- sensor unit
- overhanging
- optical cable
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/18—Scaffolds essentially supported by building constructions, e.g. adjustable in height supported by cantilevers or other provisions mounted in openings in the building, e.g. window openings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- Architecture (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides the intelligent bracket system and its installation and application of a kind of integral steel platform, mainly it is made up of from sensor-based system, data collecting system and data analysis and early warning system three parts bracket, strained and temperature sensor by the et al. Ke FBG in overhanging bracket, bracket can be from sensing, and test signal is stable and with very common-path interference and real-time.The intelligent bracket system that foundation is made up of bracket sensor unit, data acquisition and data analysis and the part of early warning three, intelligent bracket system is capable of the stress of real-time perception itself, real-time monitoring and assessment can be carried out to the bracket stress of steel platform system, early warning is carried out to the overload being likely to occur and dangerous situation, the security of Super High core tube construction has been ensured, the intelligentize and informatization level of construction has been improved.
Description
Technical field
The present invention relates to a kind of intelligent bracket system of integral steel platform.
Background technology
Constructed using integral steel platform mould bases equipment more than current Super High core tube construction.This kind of steel platform mould bases dress
It is standby to be both needed to be shelved on the reserved opening of Core Walls Structure by overhanging bracket under normal construction or climb mode.The peace of overhanging bracket
Full property is to ensure the key that steel platform formwork system normally runs.In Practical Project, the security of overhanging bracket be mainly by
Finite element analysis carries out strength and stiffness and calculates check to ensure.The problem that current way is primarily present has：
(1) meter of overhanging bracket and factor the determines theory analysis such as the uneven of structure interface, boundary condition be complicated
Calculating result cannot accurately simulate the actual loading situation for obtaining bracket；
(2) discreteness of steel platform layer preloading and the uncertain, polytropy of Construction State causes overhanging in Practical Project
The stress of bracket has very strong uncertainty.Thus, the true mechanical state of steel platform bracket is not in Practical Project
Can quantify know, occur overload and dangerous situation also cannot early warning, this brings certain potential safety hazard to work progress.
The content of the invention
It is an object of the invention to provide the intelligent bracket system and its installation and application of a kind of integral steel platform, can
So that bracket state aware in use, controllable, with ensure Super High mould bases be equipped in work progress in security,
And facilitate the security control and management of mould bases equipment.
To solve the above problems, the present invention provides a kind of intelligent bracket system of integral steel platform, including：
Bracket sensor unit, including overhanging bracket, FBG strain transducers, FBG temperature sensors, optical cable and steel shrouding,
Wherein, overhanging bracket is arranged on integral steel platform, the reserved opening for being shelved on structure, FBG strain transducers and FBG
Temperature sensor is implanted in the overhanging bracket, and FBG strain transducers and FBG temperature sensors are concatenated by optical cable, by steel
Shrouding is shut in the overhanging bracket；
The FBG (FBG) demodulators of steel platform Central Control Room are arranged at, the FBG (FBG) demodulators are connected with the optical cable, the FBG demodulation
Instrument is used to be sent to Central Control Room PC after the data that FBG strain transducers and FBG temperature sensors are gathered are demodulated；
Central Control Room PC, the (FBG) demodulator is attached by optical cable with Central Control Room PC, and the Central Control Room PC is used for
Carry out data acquisition, analysis and early warning.
Further, in said system, the FBG strain transducers and FBG temperature sensors imbed the overhanging ox
In the inclined plane groove of leg.
Further, in said system, the optical cable is laid along the inclined-plane and bottom recesses of overhanging bracket, and in ox
Expose predeterminable range in leg end.
Further, in said system, the light being connected with the FBG strain transducers and FBG temperature sensors
Cable is accessed on the FBG (FBG) demodulators of steel platform Central Control Room along the hydraulic jack oil pipe circuit for controlling overhanging bracket flexible.
Further, in said system, the steel shrouding using 3mm thick steel plate, for by the inclined-plane of overhanging bracket
Shut with bottom surface, steel plate is attached with bracket using flat head screw.
Another side of the invention, also provides a kind of installation and application of the intelligent bracket system of integral steel platform,
Including：
After the component completion of processing of overhanging bracket, i.e., in the et al. Ke FBG strain transducers and FBG temperature of overhanging bracket
Sensor, FBG strain transducers and FBG temperature sensors by optical cable concatenate, by steel shrouding shut FBG strain transducers and
FBG temperature sensors, so as to form bracket sensor unit；
After the assembling of bracket sensor unit terminates, optical cable is connected into (FBG) demodulator and acquisition software is debugged, it is ensured that FBG should
Become and temperature sensor energy normal work；
After debugging is finished, because now bracket does not stress t0At the moment, FBG strain transducers on each overhanging bracket are recorded successively
With the wavelength null value of temperature sensor, remember that kth extra is stretched strain and the wavelength null value of temperature sensor on bracket and is respectively
With
Bracket sensor unit is packaged using steel shrouding；
Optical cable on each bracket sensor unit is connected with the FBG (FBG) demodulators of steel platform Central Control Room, the (FBG) demodulator enters
One step is attached by optical cable with Central Control Room PC, after wiring is finished, carries out the debugging of intelligent bracket system, whole to confirm
System operation is normal；
By bracket sensor unit be shelved on the reserved opening of Core Walls Structure start stress work, triggering FBG (FBG) demodulators and
Central Control Room PC carries out data acquisition, to catch true stress state of each bracket sensor unit under practice of construction state；
Central Control Room PC sets up the solid finite model of element of bracket sensor unit, according to the security control of Practical Project
It is required that, force analysis is carried out to the bracket under normal (I), overload (II), dangerous (III) three states, three shapes are determined respectively
The threshold values of stress is [σ at bracket sensor unit inclined-plane under stateI]、[σII] and [σIII], according to each bracket sensor unit in reality
True stress state under the Construction State of border obtains the actual Stress Measurement value of each bracket sensor unit, according to each bracket sensor list
The actual Stress Measurement value and threshold values of unit, the stress distribution situation to whole intelligence bracket system carry out qualitative assessment, and appearance is surpassed
Carry and the dangerous situation of burst is alarmed.
Further, in the above-mentioned methods, the true stress according to each bracket sensor unit under practice of construction state
State obtains the actual Stress Measurement value of each bracket sensor unit, including：
The t that the process that integral steel platform is normally used i.e. bracket is shelved1Moment, the FBG on kth bracket sensor unit
The wavelength value of strain transducer and temperature sensor is respectivelyWithThe then stress value at k brackets inclined-planeIn formula,It is the stress spirit of kth bracket sensor unit
Sensitivity coefficient,It is the temperature compensation coefficient of FBG strain transducers, for each bracket sensor unit,WithIt is
Definite value.
Further, in the above-mentioned methods, in the et al. Ke FBG strain transducers and FBG TEMPs of overhanging bracket
Device, including：
The FBG strain transducers and FBG temperature sensors are imbedded in the inclined plane groove of the overhanging bracket.
Further, in the above-mentioned methods, during FBG strain transducers and FBG temperature sensors are concatenated by optical cable,
The optical cable is laid along the inclined-plane and bottom recesses of overhanging bracket, and exposes certain distance in bracket end,
It is normal when being worked in order to overhanging bracket to stretch and connected with (FBG) demodulator.
Further, in the above-mentioned methods, during FBG strain transducers and FBG temperature sensors are concatenated by optical cable,
The optical cable being connected with the FBG strain transducers and FBG temperature sensors is stretched along the overhanging bracket of control
The hydraulic jack oil pipe circuit of contracting is accessed on the FBG (FBG) demodulators of steel platform Central Control Room.
Further, in the above-mentioned methods, in shutting FBG strain transducers and FBG temperature sensors by steel shrouding,
Using the thick steel shroudings of 3mm, the inclined-plane and bottom surface of overhanging bracket are shut, steel shrouding uses flat head screw with bracket
It is attached, completes the encapsulation of bracket sensor unit.
Compared with prior art, the invention has the advantages that：
(1) sensor is implanted directly into bracket, each bracket does not increase the scale of construction of bracket, no from as sensing unit
Need to set up pressure sensor and stress check calculation device, stress sensing mode is the most direct, the stress data for obtaining is closest to very
It is real-valued；
(2) stress at bracket inclined-plane is measured using FBG strains and temperature sensor (playing temperature compensation function),
FBG sensor is optical signal, is not influenceed by environment such as job site vibration, noise, electric field, magnetic fields, sensor signal it is steady
It is qualitative very high；
(3) the configurable interval of the frequency acquisition of FBG (FBG) demodulators is (between 1Hz~1000Hz) very wide, data acquisition
With real-time very high；
(4) by intelligent bracket system can be in real time to each bracket sensor unit stress state carry out qualitative assessment,
The real bearing state and overload or precarious position to being likely to occur that whole steel plateform system bracket can in real time be grasped are entered
Row alarm, specification and can instruct the operation of site operation personnel, ensure the security of construction, improve the letter of Super High construction
Breathization and intelligent level.
Brief description of the drawings
Fig. 1 is that integral steel platform mould bases equips schematic diagram；
Fig. 2 is bracket sensor unit schematic diagram；
Fig. 3 is bracket sensor unit steel shrouding schematic diagram；
Fig. 4 is bracket sensor unit bottom view；
Fig. 5 is intelligent bracket system schematic；
Reference is as follows：
1st, bracket sensor unit, 2, (FBG) demodulator, 3, PC, 101, bracket, 102, FBG strain transducers, 103, FBG temperature
Degree sensor, 104, optical cable, 105, steel shrouding.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
As shown in figure 1, the present invention provides a kind of intelligent bracket system of integral steel platform, including：
Bracket sensor unit, including overhanging bracket 101, FBG strain transducers 102 and FBG temperature sensors 103, light
Cable 104 and steel shrouding 105, wherein, overhanging bracket 101 is arranged on integral steel platform, the reserved opening for being shelved on structure
On, FBG strain transducers 102 and FBG temperature sensors 103 are implanted in the overhanging bracket 101, FBG strain transducers 102
Concatenated by optical cable 104 with FBG temperature sensors, shut in the overhanging bracket 101 by steel shrouding 105；
The FBG (FBG) demodulators of steel platform Central Control Room are arranged at, the FBG (FBG) demodulators are connected with the optical cable 104, the FBG
(FBG) demodulator is used to be sent to middle control after the data that FBG strain transducers 102 and FBG temperature sensors 103 are gathered are demodulated
Room PC；Here, the data on (FBG) demodulator are sent to the data acquisition software on Central Control Room PC by optical cable；
Central Control Room PC, the (FBG) demodulator is attached by optical cable with Central Control Room PC, and the Central Control Room PC is used for
Carry out data acquisition, analysis and early warning.
In one embodiment of the invention, the FBG strain transducers 102 and FBG temperature sensors imbed the overhanging bracket
In 101 inclined plane groove.Here, the inclined-plane of overhanging bracket and bottom surface middle part set fluted, after bracket component completion of processing i.e.
FBG strains and temperature sensor are imbedded in the inclined plane groove of the overhanging bracket 101, wherein strain and temperature sensor are carried out
It is connected in series.
In one embodiment of the invention, the optical cable 104 is laid along the inclined-plane and bottom recesses of overhanging bracket 101, and
Predeterminable range is exposed in bracket end, normal when being worked in order to overhanging bracket to stretch and connected with (FBG) demodulator.
In one embodiment of the invention, the optical cable being connected with the FBG strain transducers 102 and FBG temperature sensors
On the 104 FBG (FBG) demodulators that steel platform Central Control Room is accessed along the hydraulic jack oil pipe circuit for controlling overhanging bracket 101 flexible.
In one embodiment of the invention, the steel shrouding 105 using 3mm thick steel plate, for by the inclined-plane of overhanging bracket 101
Shut with bottom surface, steel plate is attached with bracket using flat head screw, that is, complete the encapsulation of bracket sensor unit.
Another side of the invention, also provides a kind of installation and application of the intelligent bracket system of integral steel platform,
Including：
After the component completion of processing of overhanging bracket 101, i.e., in the et al. Ke FBG strain transducers 102 of overhanging bracket 101
With FBG temperature sensors 103, FBG strain transducers 102 and FBG temperature sensors are concatenated by optical cable 104, by steel shrouding 105
FBG strain transducers 102 and FBG temperature sensors are shut, so as to form bracket sensor unit 1；
After the assembling of bracket sensor unit terminates, optical cable 104 is connected into (FBG) demodulator and acquisition software is debugged, it is ensured that
FBG is strained and temperature sensor energy normal work；
After debugging is finished, because now bracket does not stress t0At the moment, FBG strain transducers on each overhanging bracket are recorded successively
With the wavelength null value of temperature sensor, remember that kth extra is stretched strain and the wavelength null value of temperature sensor on bracket and is respectively
With
Bracket sensor unit is packaged using steel shrouding 105；
Optical cable 104 on each bracket sensor unit is connected with the FBG (FBG) demodulators of steel platform Central Control Room, the (FBG) demodulator
Further it is attached with Central Control Room PC by optical cable, after wiring is finished, carries out the debugging of intelligent bracket system, it is whole to confirm
Individual system operation is normal；
By bracket sensor unit be shelved on the reserved opening of Core Walls Structure start stress work, triggering FBG (FBG) demodulators and
Central Control Room PC carries out data acquisition, to catch true stress state of each bracket sensor unit under practice of construction state；
Central Control Room PC sets up the solid finite model of element of bracket sensor unit, according to the security control of Practical Project
It is required that, force analysis is carried out to the bracket under normal (I), overload (II), dangerous (III) three states, three shapes are determined respectively
The threshold values of stress is [σ at bracket sensor unit inclined-plane under stateI]、[σII] and [σIII], according to each bracket sensor unit in reality
True stress state under the Construction State of border obtains the actual Stress Measurement value of each bracket sensor unit, according to each bracket sensor list
The actual Stress Measurement value and threshold values of unit, the stress distribution situation to whole intelligence bracket system carry out qualitative assessment, and appearance is surpassed
Carry and the dangerous situation of burst is alarmed.Here, Central Control Room PC is divided data as data analysis and early warning system
Analysis, calculates the pressure value on all brackets of steel plateform system, the bracket pressure condition to steel plateform system and is estimated and early warning.
In one embodiment of the invention, obtained according to true stress state of each bracket sensor unit under practice of construction state
To the actual Stress Measurement value of each bracket sensor unit, including：
The t that the process that integral steel platform is normally used i.e. bracket is shelved1Moment, the FBG on kth bracket sensor unit
The wavelength value of strain transducer and temperature sensor is respectivelyWithThe then stress value at k brackets inclined-planeIn formula,It is the stress sensitive of kth bracket sensor unit
Degree coefficient,It is the temperature compensation coefficient of FBG strain transducers, the temperature-sensitivity coefficient of the coefficient and FBG strain transducers,
The temperature-sensitivity coefficient of FBG temperature sensors and the linear expansion coefficient of bracket material etc. are relevant, for each bracket sensor unit
For,WithIt is definite value.
In one embodiment of the invention, in the et al. Ke FBG strain transducers 102 and FBG TEMPs of overhanging bracket 101
Device 103, including：
The FBG strain transducers 102 and FBG temperature sensors 103 are imbedded the inclined plane groove of the overhanging bracket 101
It is interior.Here, after bracket component completion of processing will FBG strains and temperature sensor imbed the overhanging bracket 101 inclined-plane it is recessed
In groove, wherein strain and temperature sensor are connected in series.
In one embodiment of the invention, during FBG strain transducers 102 and FBG temperature sensors are concatenated by optical cable 104,
The optical cable 104 is laid along the inclined-plane and bottom recesses of overhanging bracket 101, and is exposed necessarily in bracket end
Distance is normal when being worked in order to overhanging bracket to stretch and connected with (FBG) demodulator.
In one embodiment of the invention, during FBG strain transducers 102 and FBG temperature sensors are concatenated by optical cable 104,
The optical cable 104 that will be connected with the FBG strain transducers 102 and FBG temperature sensors is along overhanging bracket
Hydraulic jack oil pipe circuit in 101 is accessed on the FBG (FBG) demodulators of steel platform Central Control Room.
In one embodiment of the invention, in shutting FBG strain transducers 102 and FBG temperature sensors by steel shrouding 105,
Using the thick steel shroudings 105 of 3mm, the inclined-plane and bottom surface of overhanging bracket 101 are shut, steel shrouding 105 is adopted with bracket
It is attached with flat head screw, completes the encapsulation of bracket sensor unit.
Compared with prior art, the invention has the advantages that：
(1) sensor is implanted directly into bracket, each bracket does not increase the scale of construction of bracket, no from as sensing unit
Need to set up pressure sensor and stress check calculation device, stress sensing mode is the most direct, the stress data for obtaining is closest to very
It is real-valued；
(2) stress at bracket inclined-plane is measured using FBG strains and temperature sensor (playing temperature compensation function),
FBG sensor is optical signal, is not influenceed by environment such as job site vibration, noise, electric field, magnetic fields, sensor signal it is steady
It is qualitative very high；
(3) the configurable interval of the frequency acquisition of FBG (FBG) demodulators is (between 1Hz~1000Hz) very wide, data acquisition
With real-time very high；
(4) by intelligent bracket system can be in real time to each bracket sensor unit stress state carry out qualitative assessment,
The real bearing state and overload or precarious position to being likely to occur that whole steel plateform system bracket can in real time be grasped are entered
Row alarm, specification and can instruct the operation of site operation personnel, ensure the security of construction, improve the letter of Super High construction
Breathization and intelligent level.
Detailed, as shown in figure 1, the integral steel platform mould bases for being applied to Super High core tube construction is equipped in normal work
It is shelved on the reserved opening of structure by overhanging bracket (bracket sensor unit) 1 under state.
As shown in Figure 2, Figure 3, Figure 4, described bracket sensor unit 1 is by overhanging bracket 101, FBG strain transducers
102nd, FBG temperature sensors 103, optical cable 104 and 3mm thickness shrouding 105 are constituted.Described FBG strain transducers 102 and FBG temperature
Degree sensor 103 is laid in the inclined plane groove of overhanging bracket 101, and FBG strain transducers 102 and FBG temperature sensors 103 are logical
Cross optical cable 104 to be concatenated, optical cable 104 stretches out along the bottom recesses of overhanging bracket 101.Overhanging bracket inclined-plane and underrun 3mm
Steel shrouding 105 is shut.The debugging of each bracket sensor unit and null value are determined and can completed in an assembling process.
As shown in figure 5, bracket monitoring system is respectively by the multiple bracket sensor units 1 in steel platform, (FBG) demodulator 2 and PC
Machine 3 is constituted.In steel platform erection stage, the foundation and debugging of intelligent bracket system are completed.After steel platform normal work, intelligent ox
The formal startup optimization of leg system, starts the stress state of each bracket sensor unit of real time record, to all brackets of steel platform
State carries out qualitative assessment, and the overload or danger to being likely to occur carry out early warning.
The step of installing and using of the intelligent bracket system of the integral steel platform of a concrete application example of the invention includes：
(1) each bracket sensor unit assembled, debugged, null value is determined and encapsulated.After bracket component completion of processing
Will FBG strain and temperature sensor embedment bracket inclined plane groove in, wherein strain and temperature sensor be connected in series.
Concatenation optical cable is laid along inclined-plane and bottom recesses, and exposes when certain distance works in order to overhanging bracket just in bracket end
Often stretch and connected with (FBG) demodulator.After the assembling of bracket sensor unit terminates, connection (FBG) demodulator and acquisition software are debugged, really
Protect FBG strains and temperature sensor energy normal work.After debugging is finished, because now bracket does not stress (t0Moment), can be successively
The wavelength null value of FBG strain transducers and temperature sensor on each bracket unit is determined, strain and temperature are passed on note kth bracket
The wavelength null value of sensor is respectivelyWithFinally, bracket inclined-plane and bottom surface are shut using 3mm steel plates, steel plate with
Bracket is attached using flat head screw, that is, complete the encapsulation of bracket sensor unit.
(2) intelligent bracket system and completion system debugging are set up.After steel plateform system is installed in the structure, immediately
Carry out the foundation of bracket sensor-based system.The optical cable on each bracket sensor unit is accessed into steel along hydraulic jack oil pipe circuit to put down
On the FBG (FBG) demodulators of platform Central Control Room, (FBG) demodulator is attached with Central Control Room PC by optical cable further.After wiring is finished,
The debugging of bracket sensor-based system can be carried out, to confirm whole system normal operation.
(3) bracket sensor-based system data acquisition is carried out under steel platform working condition.Bracket is shelved on the hole to be provided of Core Walls Structure
Start stress work on mouthful, triggering collection software carries out data acquisition, to catch each bracket sensor unit in practice of construction shape
True stress state under state.
(4) data analysis and early warning of bracket sensor-based system.The solid finite model of element of bracket sensor unit is set up, according to
The security control requirements of Practical Project, stress point is carried out to the bracket under normal (I), overload (II), dangerous (III) three states
Analysis, the stress threshold values under three states of determination at bracket sensor unit inclined-plane is [σ respectivelyI]、[σII] and [σIII].Steel platform normally makes
The t of process (bracket is shelved)1Moment, the wavelength of FBG strain transducers and temperature sensor on kth bracket sensor unit
Value is respectivelyWithThe then pressure value at k brackets inclined-plane
In formula,It is the stress sensitivity coefficient of kth bracket sensor unit.It is the temperature compensation coefficient of FBG strain transducers,
The line of the temperature-sensitivity coefficient, the temperature-sensitivity coefficient of FBG temperature sensors and bracket material of the coefficient and FBG strain transducers
The coefficient of expansion etc. is relevant.For each bracket sensor unit,WithIt is definite value.According to each bracket sensor unit
Actual Stress Measurement value and threshold values, the stress distribution situation to whole bracket sensing system carry out qualitative assessment, to what is be likely to occur
The dangerous situation of overload and burst is alarmed.
In sum, the present invention is for the outer of the integral steel platform mould bases equipment for being applied to Super High core tube construction at present
Real bearing state can not be known in use, overload occurs in steel plateform system and unsafe condition cannot early warning etc. to stretch bracket
Problem, the present invention is main by bracket from sensor-based system, data collecting system and data analysis and early warning system three parts structure
Into, by overhanging bracket et al. Ke FBG strain and temperature sensor, bracket can from sense, test signal stabilization and
With very common-path interference and real-time, set up by bracket sensor unit, data acquisition and data analysis and the part of early warning three
The intelligent bracket system of composition, intelligent bracket system is capable of the stress of real-time perception itself, can be to the ox of steel platform system
Leg stress carries out real-time monitoring and assessment, and early warning is carried out to the overload being likely to occur and dangerous situation, has ensured Super High core
The security of tube construction, improves the intelligentize and informatization level of construction.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from spirit of the invention to invention
And scope.So, if these modifications of the invention and modification belong to the claims in the present invention and its equivalent technologies scope it
Interior, then the present invention is also intended to including including these changes and modification.
Claims (11)
1. the intelligent bracket system of a kind of integral steel platform, it is characterised in that including：
Bracket sensor unit, including overhanging bracket, FBG strain transducers, FBG temperature sensors, optical cable and steel shrouding, its
In, overhanging bracket is arranged on integral steel platform, the reserved opening for being shelved on structure, FBG strain transducers and FBG temperature
Degree sensor is implanted in the overhanging bracket, and FBG strain transducers and FBG temperature sensors are concatenated by optical cable, are sealed by steel
Plate is shut in the overhanging bracket；
The FBG (FBG) demodulators of steel platform Central Control Room are arranged at, the FBG (FBG) demodulators are connected with the optical cable, the FBG (FBG) demodulators are used
Sent to Central Control Room PC after the data that FBG strain transducers and FBG temperature sensors are gathered are demodulated；
Central Control Room PC, the (FBG) demodulator is attached by optical cable with Central Control Room PC, and the Central Control Room PC is used to carry out
Data acquisition, analysis and early warning.
2. the intelligent bracket system of integral steel platform as claimed in claim 1, it is characterised in that the FBG strain transducers
In the inclined plane groove that FBG temperature sensors imbed the overhanging bracket.
3. the intelligent bracket system of integral steel platform as claimed in claim 2, it is characterised in that the optical cable is along overhanging ox
The inclined-plane and bottom recesses of leg are laid, and expose predeterminable range in bracket end.
4. the intelligent bracket system of integral steel platform as claimed in claim 3, it is characterised in that the steel shrouding uses 3mm
Thick steel plate, for the inclined-plane and bottom surface of overhanging bracket to be shut, steel plate is attached with bracket using flat head screw.
5. the intelligent bracket system of integral steel platform as claimed in claim 1, it is characterised in that with the FBG strain sensings
Device and the optical cable of FBG temperature sensors connection access steel and put down along the hydraulic jack oil pipe circuit for controlling overhanging bracket flexible
On the FBG (FBG) demodulators of platform Central Control Room.
6. the installation and application of the intelligent bracket system of a kind of integral steel platform, it is characterised in that including：
After the component completion of processing of overhanging bracket, i.e., in the et al. Ke FBG strain transducers and FBG TEMPs of overhanging bracket
Device, FBG strain transducers and FBG temperature sensors are concatenated by optical cable, and FBG strain transducers and FBG temperature are shut by steel shrouding
Degree sensor, so as to form bracket sensor unit；
After the assembling of bracket sensor unit terminates, optical cable is connected into (FBG) demodulator and acquisition software and is debugged, it is ensured that FBG strain and
Temperature sensor energy normal work；
After debugging is finished, because now bracket does not stress t0At the moment, FBG strain transducers and temperature on each overhanging bracket are recorded successively
The wavelength null value of sensor is spent, the wavelength null value that note kth extra stretches strain and temperature sensor on bracket is respectivelyWith
Bracket sensor unit is packaged using steel shrouding；
Optical cable on each bracket sensor unit is connected with the FBG (FBG) demodulators of steel platform Central Control Room, the (FBG) demodulator is further
It is attached with Central Control Room PC by optical cable, after wiring is finished, the debugging of intelligent bracket system is carried out, to confirm whole system
Normal operation；
Bracket sensor unit is shelved on the reserved opening of Core Walls Structure and starts stress work, trigger FBG (FBG) demodulators and middle control
Room PC carries out data acquisition, to catch true stress state of each bracket sensor unit under practice of construction state；
Central Control Room PC sets up the solid finite model of element of bracket sensor unit, will according to the security control of Practical Project
Ask, force analysis is carried out to the bracket under normal (I), overload (II), dangerous (III) three states, three states are determined respectively
The threshold values of stress is [σ at lower bracket sensor unit inclined-planeI]、[σII] and [σIII], according to each bracket sensor unit in reality
True stress state under Construction State obtains the actual Stress Measurement value of each bracket sensor unit, according to each bracket sensor unit
Actual Stress Measurement value and threshold values, the stress distribution situation to whole intelligence bracket system carries out qualitative assessment, the overload to occurring
Dangerous situation with burst is alarmed.
7. the installation and application of the intelligent bracket system of integral steel platform as claimed in claim 6, it is characterised in that according to
True stress state of each bracket sensor unit under practice of construction state obtains the actual Stress Measurement of each bracket sensor unit
Value, including：
The t that the process that integral steel platform is normally used i.e. bracket is shelved1Moment, the FBG strains on kth bracket sensor unit
The wavelength value of sensor and temperature sensor is respectivelyWithThe then stress value at k brackets inclined-planeIn formula,It is the stress sensitive of kth bracket sensor unit
Degree coefficient,It is the temperature compensation coefficient of FBG strain transducers, for each bracket sensor unit,WithIt is fixed to be
Value.
8. the installation and application of the intelligent bracket system of integral steel platform as claimed in claim 7, it is characterised in that outside
The et al. Ke FBG strain transducers and FBG temperature sensors of bracket are stretched, including：
The FBG strain transducers and FBG temperature sensors are imbedded in the inclined plane groove of the overhanging bracket.
9. the installation and application of the intelligent bracket system of integral steel platform as claimed in claim 8, it is characterised in that FBG
During strain transducer and FBG temperature sensors are concatenated by optical cable,
The optical cable is laid along the inclined-plane and bottom recesses of overhanging bracket, and exposes certain distance in bracket end, so as to
It is normal when overhanging bracket works to stretch and connected with (FBG) demodulator.
10. the installation and application of the intelligent bracket system of integral steel platform as claimed in claim 9, it is characterised in that logical
Cross during steel shrouding shuts FBG strain transducers and FBG temperature sensors,
Using the thick steel shroudings of 3mm, the inclined-plane and bottom surface of overhanging bracket are shut, steel shrouding is carried out with bracket using flat head screw
Connection, completes the encapsulation of bracket sensor unit.
The installation and application of the intelligent bracket system of 11. integral steel platforms as claimed in claim 7, it is characterised in that FBG
During strain transducer and FBG temperature sensors are concatenated by optical cable,
The optical cable that will be connected with the FBG strain transducers and FBG temperature sensors stretches along the overhanging bracket of control
Hydraulic jack oil pipe circuit is accessed on the FBG (FBG) demodulators of steel platform Central Control Room.
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| CN107300442A (en) * | 2017-06-30 | 2017-10-27 | 上海建工集团股份有限公司 | Operation platform corbels support counter-force monitoring device and method |
| CN108168758A (en) * | 2017-12-25 | 2018-06-15 | 上海建工集团股份有限公司 | A kind of device and method for being used to measure steel platform bracket pressure |
| CN108487451A (en) * | 2018-05-29 | 2018-09-04 | 上海建工四建集团有限公司 | Support bracket, steel platform, steel platform control system and operating method |
| CN108931262A (en) * | 2018-06-01 | 2018-12-04 | 北京华工信息技术有限公司 | It is a kind of for monitoring the optical fiber sensing system of structural safety |
| CN112681147A (en) * | 2020-12-23 | 2021-04-20 | 蒋友富 | Box girder end structure convenient for pier mounting and pier mounting method |
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Application publication date: 20170609 |