浅谈膜结构褶皱研究

膜结构是一种新型的建筑结构形式；其特点为所用膜材虽然具有很大的张拉强度，但不具有弯曲刚度，当承受压缩应力时膜面会发生局部屈曲，产生褶皱。褶皱的出现既影响膜结构的美观，还对其力学性质产生影响，所以褶皱研究已成为膜结构方向的重要研究课题。文中阐述了膜结构褶皱发生的原理，并简要概括了国内外膜结构褶皱研究的成果和现状，以及对褶皱振幅和波长的预测理论，最后提出了今后的发展方向。

Wrinkling Investigations of Membrane Structures

The membrane structure is a new kind of structure. The characteristic is that the thin membrane materials have enough tension strength, but they inherently have no bending stiffness. When undertaking compressive stress, the thin membrane will wrinkle in some regions. The presence of wrinkles in membrane structures may significantly influence the mechanic behavior of the structure even the destruction of membrane. Therefore the wrinkling investigations have been the important problem in membrane structures. This paper explains the mechanism of the wrinkling in membrane, and then reviews the methods for wrinkling analysis of membrane structures over the past years as well as the prediction theory of wrinkle amplitudes and wavelength. Finally the future developments in this field are discussed.