Outline the operational principles, relative advantages and disadvantages of the range of drilling methods for sampling unconsolidated...

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Civil Engineering

Outline the operational principles, relative advantages anddisadvantages of the range of drilling methods for samplingunconsolidated material, solid rock and marine sediments.

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SoilSampling Equipment Drilling methods as well as the equipment used continue to evolve Traditional methods include auguring bentonite mud drilling and rock core drilling Equipment has evolved to obtain the right type of sample These include augers splitspoon samplers and Shelby tubes Much depends on whether an undisturbed sample is required or whether a disturbed sample is sufficient Procedures for using soilsampling equipment are provided by the American Association of State Highway and Transportation Officials AASHTO and the American Society for Testing and Materials ASTM These assure that the samples are obtained See Answer

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