DISCUSSION. OBSERVATIONS ON THE BEHAVIOUR OF A PILOT TUNNEL IN LONDON CLAY AS THE MAIN TUNNEL WAS DRIVEN. Free

BEHAVIOUR, TUNNELS, PILOT, LONDON CLAY, EXCAVATING, STRESS, HOOP, FIELD, DATA, SQUAT, TESTS, MODELS, CLAYS, BEDS, RING, CELLS, PRESSURE, LOADS, ANISOTROPY, SITES, MEASUREMENT, EARTH, LININGS, UNDRAINED, SHEAR, STRENGTH, SOILS, ANALYSIS, METHODS, DRIVING, IRON, DUCTILITY, INSTRUMENTATION, TRANSVERSE, INCLINOMETERS, INTERACTION, GRAPHITE, SPHEROIDAL, JUBILEE LINE, VICTORIA LINE, LONDON, BRIXTON, GREEN PARK, REGENTS PARK, HEATHROW, JUBILEE LINE, VICTORIA LINE, UK