DISCUSSION OF 6408 & 6412. UNDERGROUND STATION FOR WESTERN DISTRICT POSTAL OFFICE, LONDON. DESIGN AND CONTROL. CONSTRUCTION.

Keywords: POST OFFICE, UNDERGROUND, STATIONS, POST OFFICE, DESIGN, CONTROL, CONSTRUCTION, RAILWAYS, MAIL, POST, TUNNELS, REINFORCED, PRESTRESSED, CONCRETE, STRAIN, GAUGES, STRESS, CONCENTRATION, YOUNGS MODULUS, CREEP, SHRINKAGE, MIX, TESTS, MIXES, MODELS, PHOTOELASTIC, METHODS, JACKS, GRADED, GAPS, JACKING, EARTH, PRESSURE, STEEL, FRAMES, PILES, EXCAVATIONS, PRESTRESS, LOSS, TWO DIMENSIONAL, RAFTS, TEMPORARY, STEELWORK, COORDINATION, TENDERS, CLAYS, SOFT, BEHAVIOUR, LONDON CLAY, LONDON