CN204479228U - A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism - Google Patents

A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism Download PDF

Info

Publication number
CN204479228U
CN204479228U CN201520215126.0U CN201520215126U CN204479228U CN 204479228 U CN204479228 U CN 204479228U CN 201520215126 U CN201520215126 U CN 201520215126U CN 204479228 U CN204479228 U CN 204479228U
Authority
CN
China
Prior art keywords
barrier
wind
blast
measuring point
transportation work
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201520215126.0U
Other languages
Chinese (zh)
Inventor
何旭辉
周佳
邹云峰
李欢
史康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central South University
National Engineering Laboratory for High Speed Railway Construction Technology
Original Assignee
Central South University
National Engineering Laboratory for High Speed Railway Construction Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Central South University, National Engineering Laboratory for High Speed Railway Construction Technology filed Critical Central South University
Priority to CN201520215126.0U priority Critical patent/CN204479228U/en
Application granted granted Critical
Publication of CN204479228U publication Critical patent/CN204479228U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Abstract

The utility model is a kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism, comprise the railway ballast be located on decking and the gear Zha Qiang being located at railway ballast side direction, the wall peripheral hardware of gear Zha Qiang have wind barrier analogue means for simulating wind barrier, wind barrier analogue means comprise for respond to come from bullet train move the train parting that produces and the extraneous high wind of induction blast measuring point, for from the data collector of blast measuring point acquisition aerodynamic information and the remote control being connected also control data harvester by wireless signal.

Description

A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism
Technical field
The utility model relates to bridge wind barrier wind load on-the-spot test technical field, is specifically related to a kind of high-speed iron transportation work style barrier blast on-site testing device.
Background technology
Along with developing rapidly of China Express Railway, how to ensure that the traffic safety of bullet train under high wind becomes the focus of people's extensive concern.Research shows, arranging wind barrier is the effective measures improving existing line train traffic safety, and all has the example of successful implementation at home and abroad.But for ensureing protection effect and the restriction by line width, wind barrier is usually comparatively near apart from track, and for 32m span simply supported girder bridge, wind barrier is apart from vehicle near wall only about 1.75m.In addition bullet train travelling speed is high, and train parting is remarkable, the safety of wind barrier under train parting and natural wind synergy or fatigue problem further outstanding, and traffic safety overall situation will be had influence on.For this reason, be necessary further investigation wind barrier wind load, think that the intensity of wind barrier or Fatigue Check input wind load parameter accurately.
Synergy least favorable wind load suffered by wind barrier of train parting and natural wind, the wind load test of wind barrier is just carried out usually in this condition.But, because train parting belongs to unsteady flo w three-dimensional flow field, it causes wind environment residing for wind barrier very complicated with the synergy of natural wind, and wind barrier wind load is difficult to be solved by theoretical analysis, in wind tunnel test, be also difficult to simulation, better suited research method is field measurement.For this reason, need to develop a set of effective high-speed iron transportation work style barrier wind load on-site test system, realize on-the-spot unmanned, during to meet train operation, line must not have the high-speed railway operational management of people's operation to specify.
Utility model content
For the defect that prior art exists, the purpose of this utility model is to provide a kind of applied widely, high-speed iron transportation work style barrier wind load on-the-spot test mechanism that test result precision is high.
In order to realize above-mentioned technical purpose, the technical scheme of the utility model patent is: a kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism, comprise the railway ballast be located on decking and the gear Zha Qiang being located at railway ballast side direction, the wall peripheral hardware of gear Zha Qiang has the wind barrier analogue means for simulating wind barrier, wind barrier analogue means comprises and comes from bullet train to move the blast measuring point of the train parting that produces and the extraneous high wind of induction for responding to, for obtaining the data collector of aerodynamic information from blast measuring point and being connected and the remote control of control data harvester by wireless signal.
Preferably, data collector and remote control are all equipped with wireless signal transceiver, are interconnected by the wireless signal key identification that jointly sends between data collector and remote control.
Preferably, blast measuring point is by being passed to data collector for the piezometric tube shielding External force interference by blast information.
Preferably, wind barrier analogue means also comprises and to be fixed on plane connecting equipment as the plane connecting equipment of wind barrier main body, bolt and for the poly (methyl methacrylate) plate that bears extraneous blast and installation blast measuring point and for fixing from plane connecting equipment side and the side support device of supporting plane coupling arrangement.
Preferably, ground is all fixed on by side support device in plane connecting equipment both sides, thus forms the twin fixed guide-vane structure of plane connecting equipment.
Preferably, wind barrier analogue means is directly placed in nearly track side; Wind barrier analogue means adopts precast construction, and can assembled or dismounting at the scene.
Preferably, remote control comprises controller, information memory and encode information device.
Preferably, the setting position of blast measuring point is adjustable.
Preferably, blast measuring point peripheral hardware has the blast barrier for shielding blast measuring point, and remote control connects blast barrier and controls the opening and closing of blast barrier.
High-speed iron transportation work style barrier wind load on-the-spot test method, comprise above-mentioned high-speed iron transportation work style barrier wind load on-the-spot test mechanism, testing procedure is as follows: a, by blast point layout be placed in nearly track side wind barrier analogue means poly (methyl methacrylate) plate surface, the afterbody of blast measuring point is connected by piezometric tube; B, by piezometric tube by the blast information transmission at blast measuring point place to data collector; C, remote control carry out key identification by the wireless signal jointly sent with data collector, and through network authentication, control data harvester receives image data, realizes the wireless receiving of collection signal, storage; D, by formatter, image data to be processed, thus obtain wind barrier wind load.
Advantageous Effects of the present utility model is:
The utility model high-speed iron transportation work style barrier wind load on-the-spot test mechanism, by by blast point layout in nearly track side surfaces, blast information is passed to data collector by blast measuring point, long-range control method is adopted to control data collector, realize collection and the preservation of data, and by wirelessly transmitting data to remote control, obtain wind barrier wind load by wind pressure data.What directly record due to this test macro is blast, can effectively avoid external force to the interference of aerodynamic force test result, ensures the precision of test result.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is one of structural representation of the high-speed iron transportation work style barrier wind load on-the-spot test mechanism of the utility model embodiment;
Fig. 2 is the structural representation two of the high-speed iron transportation work style barrier wind load on-the-spot test mechanism of the utility model embodiment.
Wherein, 1, wind barrier analogue means; 2, blast measuring point; 3, data collector; 4, remote control; 5, poly (methyl methacrylate) plate; 6, plane connecting equipment; 7, side support device; 8, decking; 9, railway ballast; 10, Zha Qiang is kept off.
Embodiment
Further illustrating below to the utility model technology contents, but the restriction not to the utility model flesh and blood.
Fig. 1 is one of structural representation of the high-speed iron transportation work style barrier wind load on-the-spot test mechanism of the utility model embodiment; Fig. 2 is the structural representation two of the high-speed iron transportation work style barrier wind load on-the-spot test mechanism of the utility model embodiment.
As depicted in figs. 1 and 2, a kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism of the utility model embodiment, comprise the railway ballast 9 be located on decking 8 and the gear tiny fragments of stone, coal, etc. wall 10 being located at railway ballast 9 side direction, the wall peripheral hardware of gear tiny fragments of stone, coal, etc. wall 10 has the wind barrier analogue means 1 for simulating wind barrier, wind barrier analogue means 1 comprises and comes from bullet train to move the blast measuring point 2 of the train parting that produces and the extraneous high wind of induction for responding to, for obtaining the data collector 3 of aerodynamic information from blast measuring point 2 and being connected and the remote control 4 of control data harvester 3 by wireless signal.
As depicted in figs. 1 and 2, the utility model embodiment, data collector 3 and remote control 4 are all equipped with wireless signal transceiver, are interconnected by the wireless signal key identification that jointly sends between data collector 3 and remote control 4.Key (belonging to techniques well known) is a kind of parameter, and it is expressly being converted to ciphertext or ciphertext is being converted to the parameter inputted in algorithm expressly.Key is divided into symmetric key and unsymmetrical key.
As depicted in figs. 1 and 2, the utility model embodiment, blast measuring point 2 is by being passed to data collector 3 for the piezometric tube shielding External force interference by blast information.
As depicted in figs. 1 and 2, the utility model embodiment, wind barrier analogue means 1 also comprises and to be fixed on plane connecting equipment 6 as the plane connecting equipment 6 of wind barrier main body, bolt and for the poly (methyl methacrylate) plate 5 that bears extraneous blast and installation blast measuring point 2 and for fixing from plane connecting equipment 6 side and the side support device 7 of supporting plane coupling arrangement 6.
As depicted in figs. 1 and 2, the utility model embodiment, ground is all fixed on by side support device 7 in plane connecting equipment 6 both sides, thus forms the twin fixed guide-vane structure of plane connecting equipment 6.
As depicted in figs. 1 and 2, the utility model embodiment, wind barrier analogue means 1 is directly placed in nearly track side; Wind barrier analogue means 1 adopts precast construction, and can assembled or dismounting at the scene.
As depicted in figs. 1 and 2, the utility model embodiment, remote control 4 comprises controller, information memory and encode information device.
As depicted in figs. 1 and 2, the utility model embodiment, the setting position of blast measuring point 2 is adjustable.
As depicted in figs. 1 and 2, the utility model embodiment, blast measuring point 2 peripheral hardware has the blast barrier for shielding blast measuring point 2, and remote control 4 connects blast barrier and controls the opening and closing of blast barrier.
High-speed iron transportation work style barrier wind load on-the-spot test method, comprise above-mentioned high-speed iron transportation work style barrier wind load on-the-spot test mechanism, testing procedure is as follows: a, blast measuring point 2 is arranged in the wind barrier analogue means 1 being placed in nearly track side poly (methyl methacrylate) plate 5 surface, the afterbody of blast measuring point 2 is connected by piezometric tube; B, by piezometric tube by the blast information transmission at blast measuring point 2 place to data collector 3; C, remote control 4 carry out key identification by the wireless signal jointly sent with data collector 3, and through network authentication, control data harvester 3 receives image data, realizes the wireless receiving of collection signal, storage; D, by formatter, image data to be processed, thus obtain wind barrier wind load.
During enforcement, high-speed iron transportation work style barrier wind load on-the-spot test mechanism is provided, comprise simulating the analogue means 1 of wind barrier, be arranged on the blast measuring point 2 on analogue means 1 and the data collector 3 in order to obtain aerodynamic information from analogue means 1, data collector 3 carries out control collection by remote control 4, the wireless signal sent by both between data collector 3 and remote control 4 is interconnected, wind pressure data, by the specific program process of establishment, can obtain wind barrier wind load.What adopt this high-speed iron transportation work style barrier wind load on-the-spot test mechanism directly to record is blast, can effectively avoid external force to the interference of aerodynamic force test result, ensures the precision of test result; Data acquisition is operated by tele-control system, data transmission adopts wireless transmission, on duty without the need to staff scene, when can meet train operation, line must not there is the high-speed railway operational management of people's operation to specify, for the on-the-spot test research of high-speed iron transportation work style barrier wind load provides technical support.
A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism is provided, comprise the analogue means 1 of simulating wind barrier, be arranged on the blast measuring point 2 on analogue means 1 and the data collector 3 in order to obtain aerodynamic information from analogue means 1, data collector 3 carries out control collection by remote control 4, and the wireless signal sent by both between data collector 3 and remote control 4 is interconnected.Wind barrier analogue means 1 comprises the poly (methyl methacrylate) plate 5 of simulating wind barrier, glass plate two sides is provided with the perforate blast measuring point 2 of test aeroperformance, its afterbody is connected to data collector 3 by piezometric tube, poly (methyl methacrylate) plate 5 is fixed on plane connecting equipment 6 by bolt, and by being fixed on side support device 7 twin fixed guide-vane on ground.Wind barrier analogue means 1 is directly placed in nearly track side, the least favorable wind load under train parting and natural wind synergy can be measured, adopt prefabrication system, can on-site consolidation and dismounting, convenient transfer, and position and the quantity of blast measuring point 2 can be regulated according to field condition.Blast measuring point 2 transmits blast information to data collector 3 by piezometric tube, can effectively avoid external force to the interference of aerodynamic force test result.Data collector 3 and remote control 4 are all equipped with wireless signal transceiver, and the wireless signal key identification jointly sent by both is interconnected.Remote control 4 is equipped with the control system realizing long-range connection, control, collection.Control system comprises document management module, screen control module, video communication module, text chat module and system control module.The use of control system needs to carry out netkey certification.Netkey (belonging to techniques well known) namely refers to the key used in a network.
There is provided a kind of method of testing of high-speed iron transportation work style barrier wind load on-site test system, step is as follows: a, blast measuring point 2 are arranged in the poly (methyl methacrylate) plate surface of the wind barrier analogue means 1 being placed in nearly track side, and its afterbody is connected by piezometric tube; B, by piezometric tube by the blast information transmission at blast measuring point 2 place to data collector 3; C, remote control 4 carry out key identification by the wireless signal jointly sent with data collector 3, and through network authentication, control data harvester 3 receives image data, realizes the wireless receiving of collection signal, storage; D, by programming image data to be processed, and then obtain wind barrier wind load.
The detachable adjustment of high-accuracy device, achieves field device Position location accuracy.According to proving installation feature, assembled good proving installation in advance, and can regulate, ensure the accuracy of on-the-spot location.
Controlled in wireless, collection, transfer function, achieve the possibility of remote collection data.Because of collection in worksite restriction, the controlled in wireless of development, collection, transport module, realize the wireless collection of teledata, transmission and process.
A kind of wind barrier wind load on-the-spot test mechanism of concrete enforcement, comprise the analogue means 1 of simulating wind barrier, be arranged on the blast measuring point 2 on analogue means 1 and the data collector 3 in order to obtain aerodynamic information from analogue means 1, data collector 3 carries out control collection by remote control 4, and the wireless signal sent by both between data collector 3 and remote control 4 is interconnected.The on-the-spot test of high-precision wind barrier wind load, accurately obtain wind barrier wind load information, according to testing feature, have developed wind barrier analogue means, fixed by angle steel, scale board connects, poly (methyl methacrylate) plate is carrier, the a series of blast measuring point of perforate, has adopted totally enclosed pressure measurement pipeline, ensures the precision obtaining aerodynamic information.Because of collection in worksite restriction, have developed controlled in wireless, collection, transport module, realize the wireless collection of teledata, transmission and process.
The present embodiment, wind barrier analogue means 1 comprises the poly (methyl methacrylate) plate 5 of simulating wind barrier, glass plate two sides is provided with the perforate blast measuring point 2 of test aeroperformance, its afterbody is connected to data collector 3 by piezometric tube, poly (methyl methacrylate) plate 5 is fixed on plane connecting equipment 6 by bolt, and by being fixed on side support device 7 twin fixed guide-vane on ground.
The present embodiment, wind barrier analogue means 1 is directly placed in nearly track side, can measure row and become a common practice and the least favorable wind load under natural wind synergy, adopt prefabrication system, can on-site consolidation and dismounting, convenient transfer, and position and the quantity of blast measuring point 2 can be regulated according to field condition.
The present embodiment, blast measuring point 2 transmits blast information to data collector 3 by piezometric tube, can effectively avoid external force to the interference of aerodynamic force test result.
The present embodiment, data collector 3 and remote control 4 are all equipped with wireless signal transceiver, and the wireless signal key identification jointly sent by both is interconnected.
The present embodiment, remote control 4 is equipped with the control system realizing long-range connection, control, collection.
The present embodiment, control system comprises document management module, screen control module, video communication module, text chat module and system control module.
The present embodiment, the use of control system needs to carry out netkey certification.
The present embodiment, the quantity of pressure measurement pipeline by the quantity respective settings of blast measuring point 2, and determines the number of channels transferring to data collector.
The method of testing of a kind of wind barrier wind load on-site test system of concrete enforcement, step is as follows: blast measuring point 2 is arranged in the poly (methyl methacrylate) plate surface of the wind barrier analogue means 1 being placed in nearly track side, and its afterbody is connected by piezometric tube; By piezometric tube by the blast information transmission at blast measuring point 2 place to data collector 3; Remote control 4 carries out key identification by the wireless signal jointly sent with data collector 3, and through network authentication, control data harvester 3 receives image data, realizes the wireless receiving of collection signal, storage; By programming image data processed, and then obtain wind barrier wind load.
A kind of wind barrier wind load on-the-spot test method of concrete enforcement, comprise the analogue means 1 of simulating wind barrier, wind barrier analogue means 1 comprises the poly (methyl methacrylate) plate 5 of simulating wind barrier, poly (methyl methacrylate) plate 5 is fixed on plane connecting equipment 6 by bolt, and by being fixed on side support device 7 twin fixed guide-vane on ground.Glass plate two sides is provided with the perforate blast measuring point 2 of test aeroperformance, its afterbody is connected to data collector 3 by piezometric tube, data collector 3 carries out control collection by remote control 4, and the wireless signal sent by both between data collector 3 and remote control 4 is interconnected.
As Fig. 1, shown in 2, wind barrier wind load on-the-spot test method comprises the analogue means 1 of simulating wind barrier, wind barrier analogue means 1 comprises the poly (methyl methacrylate) plate 5 of simulating wind barrier, poly (methyl methacrylate) plate 5 is fixed on plane connecting equipment 6 by bolt, and by being fixed on side support device 7 twin fixed guide-vane on ground.Glass plate two sides is provided with the perforate blast measuring point 2 of test aeroperformance, its afterbody is connected to data collector 3 by piezometric tube, data collector 3 carries out control collection by remote control 4, and the wireless signal sent by both between data collector 3 and remote control 4 is interconnected.Data acquisition is complete to be processed data by establishment specific program, and then obtains wind barrier wind load.
The utility model belongs to one of primary study content of project of national nature science fund project (51178471,51322808), for running train aeroperformance and safety traffic provide more accurate wind tunnel test means, thus provide technical support for what guarantee bullet train safe operation.
The foregoing is only preferred embodiment of the present utility model; not thereby protection domain of the present utility model is limited; every equivalent structure transformation utilizing the utility model description to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (9)

1. a high-speed iron transportation work style barrier wind load on-the-spot test mechanism, comprise the railway ballast (9) be located on decking (8) and the gear Zha Qiang (10) being located at railway ballast (9) side direction, it is characterized in that, the wall peripheral hardware of gear Zha Qiang (10) has the wind barrier analogue means (1) for simulating wind barrier, wind barrier analogue means (1) comprises and comes from bullet train to move the blast measuring point (2) of the train parting that produces and the extraneous high wind of induction for responding to, for obtaining the data collector (3) of aerodynamic information from blast measuring point (2) and being connected and the remote control (4) of control data harvester (3) by wireless signal.
2. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to claim 1, it is characterized in that, data collector (3) and remote control (4) are all equipped with wireless signal transceiver, are interconnected by the wireless signal key identification that jointly sends between data collector (3) and remote control (4).
3. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to claim 1, is characterized in that, blast measuring point (2) is by being passed to data collector (3) for the piezometric tube shielding External force interference by blast information.
4. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to claim 1, it is characterized in that, wind barrier analogue means (1) also comprise as the plane connecting equipment (6) of wind barrier main body, bolt be fixed on plane connecting equipment (6) upper and for bear extraneous blast and install blast measuring point (2) poly (methyl methacrylate) plate (5) and for and the side support device (7) of supporting plane coupling arrangement (6) fixing from plane connecting equipment (6) side.
5. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to claim 4, it is characterized in that, ground is all fixed on by side support device (7) in plane connecting equipment (6) both sides, thus forms the twin fixed guide-vane structure of plane connecting equipment (6).
6. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to any one of claim 1 to 5, it is characterized in that, wind barrier analogue means (1) is directly placed in nearly track side; Wind barrier analogue means (1) adopts precast construction, and can assembled or dismounting at the scene.
7. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to any one of claim 1 to 5, it is characterized in that, remote control (4) comprises controller, information memory and encode information device.
8. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to any one of claim 1 to 5, it is characterized in that, the setting position of blast measuring point (2) is adjustable.
9. high-speed iron transportation work style barrier wind load on-the-spot test mechanism according to any one of claim 1 to 5, it is characterized in that, blast measuring point (2) peripheral hardware has the blast barrier for shielding blast measuring point (2), and remote control (4) connects blast barrier and controls the opening and closing of blast barrier.
CN201520215126.0U 2015-04-10 2015-04-10 A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism Active CN204479228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520215126.0U CN204479228U (en) 2015-04-10 2015-04-10 A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520215126.0U CN204479228U (en) 2015-04-10 2015-04-10 A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism

Publications (1)

Publication Number Publication Date
CN204479228U true CN204479228U (en) 2015-07-15

Family

ID=53635016

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520215126.0U Active CN204479228U (en) 2015-04-10 2015-04-10 A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism

Country Status (1)

Country Link
CN (1) CN204479228U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104776952A (en) * 2015-04-10 2015-07-15 中南大学 Wind barrier wind load site test mechanism for high-speed railway and testing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104776952A (en) * 2015-04-10 2015-07-15 中南大学 Wind barrier wind load site test mechanism for high-speed railway and testing method
CN104776952B (en) * 2015-04-10 2017-06-20 中南大学 A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism and method of testing

Similar Documents

Publication Publication Date Title
CN104776952A (en) Wind barrier wind load site test mechanism for high-speed railway and testing method
CN107894254A (en) A kind of alignment control intelligent management system and its method for Construction of continuous beam
CN102109419A (en) Loading simulation system of running load of high-speed railway train
CN104483091B (en) Train wind flow field on-site testing device and method of testing
CN204330280U (en) Train parting flow field on-site testing device
CN104359457A (en) Intelligent monitoring and early-warning system for settlement in subway operation on basis of PSD (Position Sensitive Detector) sensor
CN107436216A (en) A kind of train transverse direction exciting and device for measuring force
CN102866028B (en) Cooling tower collapse analog experiment device
CN109594483A (en) A kind of bridge real time on-line monitoring control rotation swivel construction method based on BIM
CN105910743A (en) Method for measuring tension of cable stayed bridge stay cable by using unmanned plane
CN104330064A (en) Online monitoring device and method for roadway deformation data
CN104631516B (en) A kind of portable reinforced earth retaining walls facial disfigurement monitoring device and monitoring method
CN102706283A (en) Online real-time detecting method for dynamic displacement of contact system of electric railway
CN204479228U (en) A kind of high-speed iron transportation work style barrier wind load on-the-spot test mechanism
Li et al. New test method of wind pressure coefficient based on CAARC standard model determined using vehicle driving wind
CN103389216A (en) System and method for testing aerodynamic characteristics of movable train on basis of wind pressure integral
CN103793985B (en) Based on the lift portal frame autocontrol method of geomagnetism detecting
Li et al. Long-term monitoring for track slab in high-speed rail via vision sensing
CN203349786U (en) Device for measuring railway steel rail creeping displacement and vertical displacement
CN102425085A (en) CPIII plane network retesting method in running and maintaining phase of high-speed railway
Bernstone et al. Image analysis for monitoring of crack growth in hydropower concrete structures
Zhang et al. Optimal system design for weigh-in-motion measurements using in-pavement strain sensors
CN102636243A (en) Highway axle load dynamic data acquisition system and processing method thereof
CN104807422A (en) Automatic testing device and method for jacking bridge and culvert position
CN208792112U (en) A kind of subgrade deformation displacement amplification device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant