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Geology/Track Ballast - Alternative Materials.

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Question
Dear Agarwal

http://en.wikipedia.org/wiki/Track_ballast

Which could be the alternative materials which can be used / tried out instead of Ballast or crushing stones ?. viz Cement, plaster of Paris, sand, coal, metal, non metals etc for railway tracks ?.

If we create a Word Document having a table consisting of the columns Materials,Advantages,Disadvantages and Conclusion,
Can this be a Good reference document for evaluation ?.

Awaiting your reply,


Thanks & Regards,
Prashant S Akerkar

Answer
Dear Mr. Prashant, some of the requirements of ballast are :
Hard rock un altered that can be broken easily into fragments with sharp edges and it should be available cheaply as near as possible.

so it may vary from site to site depending upon availability.

I  basalt country, basalt is the ideal choice, in granite/gneissic  country, granite and gneisses are the ideal choice. While in quartzite country it would be quartzite.

I do not think plaster of paris, cement, sand, coal metals and non-metals qualify for use as be ballast.

Geology

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N.K.Agarwal

Expertise

Would be happy to answer : General Geology, Engineering Geology, Economic Geology, Geomorphology, Geoenvironment, Tectonics, Natural Resources inclusive of Rocks & Minerals, Exploration, Science Policy etc.

Experience

Geological-Geotechnical Solutions and professional advice. I have over 34 years of professional experience of working as a geologist in diverse mountainous terrain. I have professional skills for planning. programming, executing and monitoring of : (1) Engineering Geological investigations in Hydropower and Developmental projects, (2) Landslide and Disaster Management etc. (3) Natural Resource Management and Programming (4) Geological Mapping (5) Geoenvironmental Management (6) Mineral Exploration (7) Water Resources Management, (8) Integrated Watershed Management, (9) Training on - Natural Resource Management, Geoenvironmental Management, Waste Management, Geohazards, Geotechnical Investigations, Data acquisition & interpretations, (10) R&D Initiatives and Societal issues etc.

Organizations
ex-Geological Survey of India. Retired Director now Geo-Consultant and Advisor -HIGEOS India

Publications
Departmental Publications mostly

Education/Credentials
M.Tech.(Applied Geology), University of Roorkee (now IIT Roorkee).

Past/Present Clients
Worked in the Geological Survey of India for aabout 32 years. Presently - GeoConsultant & Advisor - HIGEOS India

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