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新百三期塔楼是在已建二期塔楼(八层)上进行续建,已建的二期部分塔楼设计依据是“89”系列规范,因续建后总高度和总面积的增加、两次设计执行规范的差异、超限高层抗震性能设计的要求,需对已建部分的框架柱、梁柱节点和核心筒进行加固。着重介绍了柱身、梁柱节点、核心筒加固设计原则、目的和方法。
The new Phase III of the tower has been built in the second phase of the tower (eighth floor) on the continued construction of the second phase of the tower has been built based on the “89 ” series of norms, due to the continued construction of the total height and total area increase , The difference between the two design execution specifications and the design requirements of the over-limit high-rise seismic performance require the reinforcement of the frame columns, the beam-column joints and the core barrel of the existing section. Emphasis is put on the design principle, purpose and method of column body, beam-column joint and core tube reinforcement.