Patent ID: 9534411
Date: 2017-01-03
CPC Classifications: E04B,E04C,E04H

Claim:
1. An earthquake resisting design method on the basis of a prestressed concrete (PC) binding articulation construction method, for a PC construction which is a building having a rigid frame structure, having a plurality of floors, and having a foundation, a column, and a beam, the column and the beam being high-strength precast prestressed concrete members, a cogging being provided on the column, the beam being placed on the cogging, a binding joint portion being provided therebetween, a cable being provided on the beam, and penetrating through a panel zone or a column-beam junction, and the cable integrally joining the column and the beam by binding juncture, the earthquake resisting design method comprising: designing a prestressing tendon as the cable, the prestressing tendon being inserted through each of sheaths disposed in the column and the beam and being tensed and fixed, and a grout being filled and bonded to the prestressing tendon in each sheath; controlling a tensioning force of the prestressing tendon as the cable in a binding junction or a binding joint portion between the column and the beam; thereby providing a first stage linear resilient design, where a juncture state remains full prestress, and any constructions are not allowed to be damaged, up to a predetermined earthquake load design value; and providing a second stage linear resilient design, where the binding junction or binding joint portion between the column and the beam becomes in a juncture state of partial prestress, the binding joint portion opens or separates and allows rotation, a bond between the prestressing tendon and the bonded grout in each sheath is broken within a required length in the vicinity of the binding joint portion, the prestressing tendon comes out, an amount of expansion of the prestressing tendon increases, and thereby the prestressing tendon absorbs earthquake energy, while a tensile force applied to the prestressing tendon hardly increases, the prestressing tendon remains within the linear resilient area, and principal construction members are not allowed to be damaged, when encountering a maximum earthquake exceeding the predetermined earthquake load design value, and wherein a non-linear resilient design for the PC construction is achieved, which is separated to two stages, which are the first stage and the second stage.