Usually, stiffness of surrounding soil helps to bring more stable initial post-buckling equilibrium path.
通常，桩周土刚度越大，桩身初始后屈曲平衡路径越趋于稳定。
Shape memory alloy wires can increase the critical temperature of the beam, and also can restrain thermal buckling occurring or make the post-buckled beam back to initial equilibrium states.
形状记忆合金丝还能提高梁的热屈曲临界温度，抑制梁热屈曲的发生或使已发生热屈曲的梁回复到原来的平衡状态。
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