FREE VIBRATIONS OF OUTRIGGER-BRACED STRUCTURES.

Keywords: GLASGOW UNIVERSITY, ALEPPO UNIVERSITY SYRIA, VIBRATIONS, OUTRIGGERS, BRACING, STRUCTURES, FIELD, TRANSFER, MATRIX, MATRICES, TECHNIQUES, NATURAL, FREQUENCY, TALL, EFFECT, BENDING, SHEAR, INERTIA, ROTATORY, ANALYSIS, RELATIVE, FLEXURAL, AXIAL, STIFFNESS, CORES, COLUMNS, HEIGHT, EQUATIONS, NORMAL, MODES, BUILDINGS, MULTI STOREY, DEFORMATION, SHEARING, RIGIDITY