Abstract

Recently some building structures have collapsed because of losses of vertical load carrying capacity resulting from accidental events. Today, even if buildings are partially damaged by accidental events that have not been foreseen, a specific design technique, by which the damage does not cause fatal gravitational collapse or progressive collapse, and a technique to improvement load carrying capacities efficiently are required. Consequently, in this paper, examined structures Load Carrying Capacity about Vertical Load which through Linear Programming based on Low-bound Theorem of Limit Analysis. We also considered a change progress of load carrying capacity according to circumstances about installation of brace and belt truss widely used in horizontal displacement control of building and then, analyzed an effect from loss of number generated by accidentally externer force which has an effect on load carrying capacity of building.

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