CN107841941A - Distributed intelligence ball-type Dynamometric support - Google Patents
Distributed intelligence ball-type Dynamometric support Download PDFInfo
- Publication number
- CN107841941A CN107841941A CN201711194272.XA CN201711194272A CN107841941A CN 107841941 A CN107841941 A CN 107841941A CN 201711194272 A CN201711194272 A CN 201711194272A CN 107841941 A CN107841941 A CN 107841941A
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- distributed intelligence
- spherical crown
- base plate
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- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
- G01L1/2231—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports the supports being disc- or ring-shaped, adapted for measuring a force along a single direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The present invention relates to the spherical crown liner plate including dynamometry upper base plate, below dynamometry upper base plate, the spherical slide plate being arranged between spherical crown liner plate upper surface and dynamometry upper base plate lower surface, lower support plate, connecting plate and the connecting bolt being arranged on below spherical crown liner plate；Dynamometry upper base plate includes upper bracket plate, at least four force cells being arranged in upper bracket plate upper recess and the upper strain plate being fastened at upper bracket plate upper recess upper shed above pier；The lower surface of upper strain plate is set with force cell upper surface, and the upper surface of upper strain plate contacts setting with bridge lower surface.Distributed intelligence ball-type Dynamometric support of the present invention does not change traditional support body structure, is only slightly changed seat of honour harden structure, and device for measuring force is relatively independent, installation, safeguards and changes conveniently.
Description
Technical field
Present invention relates particularly to a kind of distributed intelligence ball-type Dynamometric support, suitable for high-speed railway bridge spherical bearing,
It is a kind of distributed intelligence bearing that can realize the test of vertical load automatic dynamic, transforms seat of honour harden structure, built-in ultralow height
Spoke force cell is spent, force cell is arranged on inside upper base plate, realizes that vertical force dynamic is tested.
Background technology
Bearing is that the loading for bearing bridge superstructure is delivered to substructure and with adaptation spanning deflection function
Important feature, and spherical bearing is a wherein most important type.Passage, speed raising and load constantly increase over time
Add, bearing damage gradually appears and is on the rise, and common bearing damage mainly includes：Seat empty, detrusion transfinite, rubber
The convex deformation of glue cracking, the uneven drum of rubber, corner is excessive, lateral displacement is excessive, steel plate corrosion, connecting bolt are broken and connecting seat
Plate cracking etc., wherein Bearing Seat Force problem is then the immediate cause for causing these diseases to occur, and the safety problem of bearing is directly closed
It is to bridge structure operation security, ensures that abutment safety is most important.
Fulcrum of the bridge pad as beam portion, is the position of various Load concentrations, and load is converted into bearing and held in this place
Vertical force, longitudinal force and the transverse horizontal force received, the real load situation of bridge structure has been reacted to a certain extent, in real time prison
Survey bridge pad counter-force situation of change, it will be appreciated that the state status of circuit on deflection of bridge span, stress and bridge, or bridge shape
State evaluation provides foundation, judges whether it is in normal range (NR).
At present, the intelligent force-measuring supporting seat researched and developed both at home and abroad near bearing spheroid or spherical crown position mostly to install foil gauge
Or other type sensors realize that vertical force is tested, and have the shortcomings that to involve great expense, to manufacture difficulty, application surface small, do not have still
A kind of ball-type intelligent force-measuring supporting seat available for high-speed railway bridge cost-effective, stress is clear and definite, durability is strong.
The content of the invention
The present invention devises a kind of distributed intelligence ball-type Dynamometric support, and its technical problem solved is：Do not change ball-type
Support body structure, only slight change bearing upper base plate, built-in particular design Very Low Clearance force cell, and then combination and exploitation
Go out a kind of distributed intelligence Dynamometric support, realize that bearing vertical force dynamic is tested, overcome existing intelligent bearing cost height, performance not
The deficiencies of stablizing or being not easy to promote.
A kind of distributed intelligence ball-type Dynamometric support, including dynamometry upper base plate, the spherical crown lining below dynamometry upper base plate
Plate, the spherical slide plate being arranged between spherical crown liner plate upper surface and dynamometry upper base plate lower surface, it is arranged on below spherical crown liner plate
Lower support plate, connecting plate and connecting bolt；
Dynamometry upper base plate is arranged on the survey in upper bracket plate upper recess including the upper bracket plate above pier, at least four
Force snesor and the upper strain plate being fastened at upper bracket plate upper recess upper shed；The lower surface of upper strain plate and dynamometry
Sensor upper surface is set, and the upper surface of upper strain plate contacts setting with bridge lower surface；
Connecting plate lower end is connected with lower support plate, and connecting bolt is horizontally set on lower support plate upper end, the end face of connecting bolt with
Upper bracket plate contact is set；
The lower convex spherical of spherical crown liner plate is located in the upper recess surface of lower support plate.
Further improvement as above-mentioned technical proposal：
The sealing ring in sealing contact with the lower convex spherical of spherical crown liner plate is provided with the upper recess surface of lower support plate.
Graphite powder is provided between the lower convex spherical of spherical crown liner plate and the upper recess surface of lower support plate.
The lower seam of upper bracket plate is buckled in above lower support plate.
Force cell is Very Low Clearance radial force cell；Force cell is hollow cylindrical structural, its
External diameter is 0.25 with axial height ratio.
The outer data-interface for being equipped with R232 or USB on dynamometry upper base plate；
Force cell is connected with data-interface data.
Dynamometry upper base plate has carrying and dynamometry dual-use function；Bearing bearing capacity and durability are not affected.
Lower bottom base is provided between lower support plate and pier, being provided with the outside of upper bracket plate prevents debris from entering down
Outer in seam blocks coaming plate on base, and lower bottom base is located in the upper seam of lower support plate；Divide on upper seam surrounding madial wall
Shui Pingshezhi there is not horizontal seat, pressure sensor is provided with horizontal seat, intraoral be provided with the end of horizontal seat is led
To steel ball, power transmission spring is provided between guiding steel ball and pressure sensor.
Pressure sensor is four pressure sensors of four direction；Four pressure sensors form Huygens's electric bridge
Structure.
This patent has the characteristics that：(1) any change does not occur for support body structure, and only seat of honour harden structure occurs light
Micromodification becomes, total simple structure, stress clearly, good endurance, be easy to fabricate, meeting bridge pad basic function
Under the premise of, realize force measuring function；(2) by the use of upper base plate as dynamometry component, realize vertical load dynamic and test；(3) grind
The Very Low Clearance radial force cell of hair has precision height, range big and low cost feature, coordinates correlation acquisition equipment, can
To realize automatic monitoring and long-range monitoring；(4) Internet technology is used, multiple Dynamometric supports can use series system or simultaneously
Connection mode is combined, and realization is interconnected, common to set up big data integrated network.
Brief description of the drawings
Fig. 1 is the intelligent bearing general assembly schematic diagram of the present invention.
Fig. 2 is the structural representation of dynamometry upper base plate of the present invention.
Fig. 3 is the cross section structure diagram of dynamometry upper base plate of the present invention.
Fig. 4 is the cross section structure diagram of horizontal seat of the present invention.
Wherein：1st, dynamometry upper base plate；2nd, spherical crown liner plate；3 spherical slide plates；4 lower support plates；5 connecting plates；6 connecting bolts；7、
Force cell；8 data-interfaces；9th, upper bracket plate；10th, upper strain plate；11st, coaming plate is blocked outside；12nd, lower bottom base；13rd, horizontal branch
Seat；14th, pressure sensor；15th, power transmission spring；16th, guiding steel ball.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, 1-3 and specific embodiment pair below in conjunction with the accompanying drawings
The present invention is explained in further detail.
As Figure 1-4, the distributed intelligence ball-type Dynamometric support of the present embodiment, including dynamometry upper base plate 1, positioned at dynamometry
The spherical crown liner plate 2 of the lower section of upper base plate 1, the spherical slide plate being arranged between the upper surface of spherical crown liner plate 2 and the lower surface of dynamometry upper base plate 1
3rd, lower support plate 4, connecting plate 5 and the connecting bolt 6 of the lower section of spherical crown liner plate 2 are arranged on；
The upper bracket plate 9, at least four that dynamometry upper base plate 1 is included above pier is arranged in the upper recess of upper bracket plate 9
Force cell 7 and the upper strain plate 10 that is fastened at the upper recess upper shed of upper bracket plate 9；Under upper strain plate 10
Surface is set with the upper surface of force cell 7, and the upper surface of upper strain plate 10 contacts setting with bridge lower surface；
The lower end of connecting plate 5 is connected with lower support plate 4, and connecting bolt 6 is horizontally set on the upper end of lower support plate 4, the end of connecting bolt 6
Face contacts setting with upper bracket plate 9；
The lower convex spherical of spherical crown liner plate 2 is located in the upper recess surface of lower support plate 4.
The sealing ring in sealing contact with the lower convex spherical of spherical crown liner plate 2 is provided with the upper recess surface of lower support plate 4.Play close
Seal dustproof effect.
Graphite powder is provided between the lower convex spherical of spherical crown liner plate 2 and the upper recess surface of lower support plate 4.Friction is reduced, is carried
High service life, noise is reduced, improve detection accuracy of detection；
The lower seam of upper bracket plate 9 is buckled in the top of lower support plate 4.Reasonable positioning, it plays what certain dust-proof anti-debris entered
Effect.
Force cell 7 is Very Low Clearance radial force cell；Force cell 7 is hollow cylindrical structural,
Its external diameter is 0.25 with axial height ratio.
Plate 10 is strained on this patent and transmits the force to force cell 7, force cell 7 passes through data-interface 8 and outside
Collecting device is connected, and Real Time Monitoring bearing bears dynamic vertical force.Dependable performance.4 force cells will be therein
After connecting two-by-two and then parallel connection forms Huygens's bridge type structure.
This patent vertical load causes the resistance value of force cell 7 to change, and is analyzed and processed by data acquisition equipment
After calculate vertical load size.Part lateral forces can also be resisted., can be with low cost, dependable performance advantage
Realize the quiet dynamic test of vertical load.Being capable of the big dead load of accurate measurements（Bridge conduct oneself with dignity and secondary dead load, 300t and more than）With
Small mobile load（Train load, 20t~40t）Real-time change.This patent does not also occur with the type of attachment of bridge and pile foundation
Change, dynamometry upper base plate 1 has dynamometry and carrying dual-use function, and whole seat structure stress is clear and definite, and structure is reliable, durability
It is good.Its operating temperature of this patent is between -30 DEG C~80 DEG C, and sensor construction is simple, dependable performance, low cost.
This patent can monitor bearing vertical force in real time after being connected with respective external data acquisition equipment, by means of detection/prison
Survey Data Analysis Services technology, it is possible to achieve classifying alarm, automation, networking and the intelligence of vertical load monitoring can also be realized
Energyization.
This patent can realize the quiet of dead load, dynamic load, impact load and other type loads that bearing is born simultaneously
Dynamic is tested；Intelligent bearing being capable of the big dead load of accurate measurements（Bridge conduct oneself with dignity and secondary dead load, 300t and more than）With small mobile load（Row
Car load, 20t~40t）Real-time change.
Patent device has that simple in construction, measuring accuracy is high, low cost feature, and multiple Dynamometric supports can use series connection side
Formula or parallel way are combined, and multiple spot dynamic monitoring and remote detection can be achieved, can monitor bearing vertical applied force in real time
State, and then the working condition of intuitive judgment bridge.
The outer data-interface 8 for being equipped with R232 or USB on dynamometry upper base plate 1；Force cell 7 and the data of data-interface 8
Connection.
Dynamometry upper base plate 1 has carrying and dynamometry dual-use function；Bearing bearing capacity and durability are not affected.
Lower bottom base 12 is provided between lower support plate 4 and pier, the outside of upper bracket plate 9, which is provided with, prevents debris from entering
Outer in seam blocks coaming plate 11 on to lower bottom base 12, and lower bottom base 12 is located in the upper seam of lower support plate 4；In upper seam four
Being horizontally disposed with respectively on all madial walls has horizontal seat 13, and pressure sensor 14, horizontal seat are provided with horizontal seat 13
13 end is intraoral to be provided with guiding steel ball 16, and power transmission spring 15 is provided between guiding steel ball 16 and pressure sensor 14.
Pressure sensor 14 is four pressure sensors 14 of four direction；Four pressure sensors 14 form Huygens's electricity
Bridge structure.Exported by the pressure data of pressure sensor 14, obtain its displacement, the shape of pressure sensor 14 in the direction of level four
Huygens's bridge structure in parallel, more accurate so as to measure into after connecting two-by-two.
Upper strain plate 10 is 2cm steel plates or polyfluortetraethylene plate；Upper base plate base middle part groove arrangement 4 is ultralow
Height radial force cell, arrangement is double, base is connected with top plate using connecting plate on the outside of dynamometry upper base plate, in dynamometry
Upper base plate middle position reserves sensor external interface, convenient to be connected with external data collecting device.
Force cell 7 uses dispersed placement, and sensor middle part is dynamometry position, and outer circular part is counterbore,
Play device for measuring force and fixed and overload protective function is installed.
Operation principle is：Act on the vertical load on this bearing to act directly on strain plate 10, pass through data
Interface 8 transmits, after outer harvesting portion collection, analysis and processing, real-time display vertical force size.
This patent has the characteristics that：(1) any change does not occur for support body structure, and only seat of honour harden structure occurs light
Micromodification becomes, total simple structure, stress clearly, good endurance, be easy to fabricate, meeting bridge pad basic function
Under the premise of, realize force measuring function；(2) by the use of upper base plate as dynamometry component, realize vertical load dynamic and test；(3) grind
The Very Low Clearance radial force cell of hair has precision height, range big and low cost feature, coordinates correlation acquisition equipment, can
To realize automatic monitoring and long-range monitoring；(4) Internet technology is used, multiple Dynamometric supports can use series system or simultaneously
Connection mode is combined, and realization is interconnected, common to set up big data integrated network.
The present invention is applicable as the bearing of bridge, building and other large scale structures, dead load, the live load born to bearing
Detection/monitoring of the vertical loads such as load, impact load, to ensureing that structure is significant safely.
Exemplary description carried out to the present invention above in conjunction with accompanying drawing, above embodiment is only illustrating the present invention's
Technological thought and technical scheme, although the present invention is described in detail with reference to the foregoing embodiments, the common skill of this area
Art personnel should be understood：It can still modify to the technical scheme described in previous embodiment, or to which part
Technical characteristic carries out equivalent substitution；And these modifications or replacement, do not make the essence disengaging present invention of appropriate technical solution real
Apply the spirit and scope of a technical scheme.As long as employing the various improvement of inventive concept and technical scheme of the present invention progress,
Or it is not improved by the present invention design and technical scheme directly apply to other occasions, in protection scope of the present invention
It is interior.
Claims (8)
1. a kind of distributed intelligence ball-type Dynamometric support, it is characterised in that including dynamometry upper base plate（1）, positioned at dynamometry upper base plate
（1）The spherical crown liner plate of lower section（2）, be arranged on spherical crown liner plate（2）Upper surface and dynamometry upper base plate（1）Sphere between lower surface is slided
Plate（3）, be arranged on spherical crown liner plate（2）The lower support plate of lower section（4）, connecting plate（5）And connecting bolt（6）；
Dynamometry upper base plate（1）Including the upper bracket plate above pier（9）, at least four be arranged on upper bracket plate（9）Upper end
Force cell in groove（7）And it is fastened on upper bracket plate（9）Upper strain plate at upper recess upper shed（10）；On
Strain plate（10）Lower surface and force cell（7）Upper surface is set, upper strain plate（10）Upper surface and bridge under
Surface contact is set；
Connecting plate（5）Lower end and lower support plate（4）Connection, connecting bolt（6）It is horizontally set on lower support plate（4）Upper end, connection
Bolt（6）End face and upper bracket plate（9）Contact is set；
Spherical crown liner plate（2）Lower convex spherical be located in lower support plate（4）Upper recess surface in.
2. distributed intelligence ball-type Dynamometric support according to claim 1, it is characterised in that in lower support plate（4）It is upper
Concave surface is provided with and spherical crown liner plate（2）Lower convex spherical sealing ring in sealing contact.
3. distributed intelligence ball-type Dynamometric support according to claim 1, it is characterised in that in spherical crown liner plate（2）Under
Convex spherical and lower support plate（4）Upper recess surface between be provided with graphite powder.
4. distributed intelligence ball-type Dynamometric support according to claim 1, it is characterised in that upper bracket plate（9）It is lower only
Mouth is buckled in lower support plate（4）Top.
5. distributed intelligence ball-type Dynamometric support according to claim 1, it is characterised in that force cell（7）It is super
Low clearance radial force cell；Force cell（7）For hollow cylindrical structural, its external diameter is with axial height ratio
0.25。
6. distributed intelligence ball-type Dynamometric support according to claim 1, it is characterised in that in dynamometry upper base plate（1）On
The outer data-interface for being equipped with R232 or USB（8）；
Force cell（7）With data-interface（8）Data connect；
Dynamometry upper base plate（1）With carrying and dynamometry dual-use function；Bearing bearing capacity and durability are not affected.
7. distributed intelligence ball-type Dynamometric support according to claim 1, it is characterised in that in lower support plate（4）With pier
Lower bottom base (12), upper bracket plate are provided between platform（9）Outside be provided with and prevent debris from entering seam on lower bottom base (12)
It is interior it is outer block coaming plate (11), lower bottom base (12) is located at lower support plate（4）Upper seam in；On upper seam surrounding madial wall
Being horizontally disposed with respectively has horizontal seat (13), and pressure sensor (14), horizontal seat (13) are provided with horizontal seat (13)
End it is intraoral be provided with guiding steel ball (16), be provided with power transmission spring between guiding steel ball (16) and pressure sensor (14)
(15)。
8. distributed intelligence ball-type Dynamometric support according to claim 7, it is characterised in that pressure sensor (14) is four
Four pressure sensors (14) in individual direction；Four pressure sensors (14) form Huygens's bridge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194272.XA CN107841941A (en) | 2017-11-24 | 2017-11-24 | Distributed intelligence ball-type Dynamometric support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711194272.XA CN107841941A (en) | 2017-11-24 | 2017-11-24 | Distributed intelligence ball-type Dynamometric support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107841941A true CN107841941A (en) | 2018-03-27 |
Family
ID=61680182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711194272.XA Pending CN107841941A (en) | 2017-11-24 | 2017-11-24 | Distributed intelligence ball-type Dynamometric support |
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| Country | Link |
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| CN (1) | CN107841941A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108570925A (en) * | 2018-06-19 | 2018-09-25 | 丰泽智能装备股份有限公司 | Split intelligent ball-type Dynamometric support system device and assemble method |
| CN110174192A (en) * | 2019-04-26 | 2019-08-27 | 洛阳双瑞特种装备有限公司 | A kind of vertical device for measuring force and force measuring method |
| CN115096486A (en) * | 2022-05-07 | 2022-09-23 | 中交公路长大桥建设国家工程研究中心有限公司 | Force measurement and displacement type friction pendulum support and sensor replacement method |
| CN115266075A (en) * | 2022-09-26 | 2022-11-01 | 中交第一公路勘察设计研究院有限公司 | Bulging self-sensing plate type support and manufacturing method thereof, monitoring system and monitoring method |
| WO2023040327A1 (en) * | 2021-09-17 | 2023-03-23 | 江苏平山交通设施有限公司 | Intelligent sensing apparatus and method for bearing capacity of basin-type rubber support |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108570925A (en) * | 2018-06-19 | 2018-09-25 | 丰泽智能装备股份有限公司 | Split intelligent ball-type Dynamometric support system device and assemble method |
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| CN115096486B (en) * | 2022-05-07 | 2023-10-27 | 中交公路长大桥建设国家工程研究中心有限公司 | Force measurement and displacement type friction pendulum support and sensor replacement method |
| CN115266075A (en) * | 2022-09-26 | 2022-11-01 | 中交第一公路勘察设计研究院有限公司 | Bulging self-sensing plate type support and manufacturing method thereof, monitoring system and monitoring method |
| CN115266075B (en) * | 2022-09-26 | 2023-02-17 | 中交第一公路勘察设计研究院有限公司 | Bulging self-sensing plate type support, manufacturing method, monitoring system and monitoring method |
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