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Performance of Chain Trenchers in Mixed Ground
Publisher: American Society of Civil Engineers
Abstract: Chain trenchers were used to cut moderately strong sandstone bedrock, compressive strength 6–9,000 psi (41–62 MN/m
In Situ Strength Measurements of Weak Rocks
Publisher: American Society of Civil Engineers
Abstract: There is a lack of strength data on weak rocks where cores for conventional testing can only be obtained with difficulty. In recent investigations, strengths are obtained over a 300-ft (91-m) vertical section for calcareous ...