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Paper presented at the 1st ISRM Congress, September 25–October 1, 1966
Paper Number: ISRM-1CONGRESS-1966-218
... Avenue Subway, several buildings were underpinned to lower levels through disintegrated rock. In one case, the supervising engineer of the construction of the foundations (in 1917) personally examined the exposure in 1936. His original field records were still available and his notations of «hard...
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