axis16. When the direction of the
frames is determined, firstly the weight of each floor is calculated and then the
internal loads the horizontal loads in the structure can be easily calculated. Then making the force
amount of the internal force which can
be got by way of the bending moment-second assigning method and the horizontal wind and seismic forcewhich can be
got by way of the bottom-shear force method. Then we can do some regulation
according to the principle of strong column weak bridge, strong shearing weak
moment, and strong node weak structural. After the determination of the internal force
and the horizontal force, the xxbination of internal force can be made by using the
Excel software, whose purpose is to find one or several sets of the most adverse
internal force of the wall limbs and the coterminous girders, which will be the basis of
protracting the reinforcing drawings of the xxponents. The design of the stairs is
also be approached by calculating the internal force and reinforcing such xxponents
as landing slab, step board and landing girder whose shop drawings are xxpleted.
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