The stability of arch dam against elastic buckling has always been ignored.
拱坝的抗屈曲稳定性一直是未被重视的问题。
This paper studies the stability of arch abutment by using the finite element method.
本文采用有限元法，研究了拱坝坝肩稳定问题。
With the reasonable included Angle, the inclination of ribs can improve the lateral stability of arch efficiently.
在合理内倾角度下，拱肋内倾可以有效地提高拱的横向稳定性。
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