Subsurface Investigation, Friendship Heights Station, South Entrance Structure, Section A010b, Rockville Route

摘要

Results are summarized herein of two supplementary borings made in Section A010b of Rockville Route at the south entrance structure of Friendship Heights Station. The report contains three geological sections through the planned entrance structure incorporating the two new borings with borings made earlier in Section A010, logs of the new test borings, results of laboratory tests on soil samples and comments on anticipated design and construction problems.