DYWIDAG-Systems International (DSI) is America’s leading manufacturer & supplier of specialist ground support products to the underground coal & metalliferous mining sectors. They also are one of the suppliers of hollow core or self-drilling soil nails.
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FHWA Geotechnical Engineering Publications
For transportation related geotechnical engineering, these publications are an absolute must! But all practicing geotechs should find something useful. Visit FHWA Geotechnical Engineering Publications
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Instantel
Manufacturer of portable vibration monitoring equipment used for blast monitoring in the mining and quarrying industries, as well as civil and construction projects. Visit Instantel
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Herrenknecht
Herrenknecht is a manufacturer of tunnel boring machines and other tunnel construction technology products. Visit Herrenknecht