“高规”通过扭转周期比和扭转位移比双重控制指标对结构扭转效应进行控制。

JGJ3-2002 controls the structural torsional effect with torsional period ratio and torsional displacement ratio these two indexes.

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讨论了扭转位移比超过限值的允许条件，并列举了几个典型的工程实例进行验证。

The conditions of exceeding the limits for torsional displacement ratio are discussed, and some typical structural examples are presented.

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文中考虑了竖向力对群桩刚度的影响以及桩基承台水平位移与弯曲、扭转位移的耦合作用。

The effect of the vertical force on the pier stiffness and the interaction among the level, bending and torsion displacement is also studied.

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