Abstract
The composite set up of different materials leads to the heterogeneous structural properties. The functionality of these structures might give the elastic and semi elastic media for transferring the loads of vibratory, shock based (impact) loads, compressive and torsional stresses and tensile loads etc. The rail infrastructure like sleepers, rails, fish plates, joints, ballast, keys, crossing appliances etc will coordinate as a structure which promote the elastic media to bear the different stresses, loads, caused due to moving wheels. The fracture mechanics, dynamics and static mechanics, vibratory mechanics and other physical properties relating electric and magnetic fields of forces are proposing to study for analyzing the equilibrium points between compository static structures and dynamic stress/forces in a rail transportation.
The safety aspects in rail transportation is alarming to the research society / groups for paving the way to minimize the accident potential / risks. The manned communication system, monitoring systems, planning and management systems are proved to be unsuccessful in minimizing the errors. This research proposal is attempting with following working steps.
- Development of data base on the structural, physical, operational and maintenance and mechanical characteristics of each component and combination of rail infrastructure elements (Sleepers, ballast, keys, fish plates, rails, joints etc.)
- Structural analysis, force and stress calculations on the dynamic forces ( moving loads of rail transported carriers.)
- Implementation of fracture mechanics, vibratory mechanics to analyze the vibratory stresses on the elastic media structure (Rail Infrastructure).
- Locational view on vibratory sensors/emitted sensors in the rail infrastructure.
- Development of relational patterns between transreceivers and sensors and communication systems between group of sensors and receivers.
- Development of sub base station to record the wave based patronage between receivers during the movement of vehicle and absence of the vehicles.
- GIS based display of rail infrastructure and display of structural conditioning of rail infrastructure against the carrier improvement over a time and space frames.
- Analytical and interactive GIS screens for comparison of ideal patronage and observed patronage of rail infrastructure (in reference to signal distribution system.)
- Identification of deficiency areas and alerting for immediate attention.
The technology and input proposed to use are:
- Vibratory and self-emitting sensors at predefined intervals.
- Transreceivers at certain lengths depends on capacity/characteristics of receivers proposed to use.
- Cable/wireless communication system.
- Substation preferably at each railway station facilitating computer systems. (specialized)
- Base station - preferably at junctions/major rail way stations.
- GIS Map display systems either indigenous or self styled or MAP INFO.
- Digitization of rail network (Geo referenced).
- Connecting/coordinating appliances at each spot.
Methodological Frames:
Frame 1.
Development of GIS oriented digitized base maps of each rail line/paths between two defined stations (Junctions) and development of interactive screens facilitating like two way movement patronage, structural/ operational /physical detailing as attribute and graphical data.
Frame 2.
Development of coordinated structural frame at pre defined locations with vibratory/self-emitted sensor connecting the ballast, rails, sleepers, keys etc. All the sensor signals are digitally converted and processed at the respective sub stations.
Frame 3.
Development of connectivity/communication system with a group of sensors by transreceivers and its connectivity to the sub base station through cable or wireless communication system.
Frame 4.
Development of connectivity between GIS based map of rail systems and infrastructure emitted patterns.
Frame 5.
Development of knowledge base on emitted patterns of rail infrastructure under defined conditions.
Frame 6.
Analytical GIS to analyze the deficiency patterns of infrastructure by correlative analysis between ideal conditioned patronage of wave distributions and observed distribution.
Frame 7.
Alerting the concerned authorities to attend for remedial measures.