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潮滩表层沉积物稳定与否直接影响潮滩的稳定性。根据有效应力理论（ＥｆｆｅｃｔｉｖｅＳｔｒｅｓｓＴｈｅｏｒｙ），本文选择沉积物抗剪强度作为其稳定性指标进行研究，并对沉积物其他特性（如含水量、湿容重）进行了同步测定．针对与潮间带滩面的有规律出露和浸没有关的表层沉积物稳定性时空变化，文中提出了包括外动力（波、流）作用与内在稳定性（抗冲刷能力）两方面的潮滩表层沉积物稳定性概念模式，从微观上合理地解释了潮滩发育过程。
The stability of the tidal flat directly affects the stability of the tidal flat surface sediments. According to the Effective Stress Theory, the shear strength of sediments is selected as the index of its stability, and other characteristics (such as water content and wet bulk density) of sediments are measured synchronously. In view of the temporal and spatial variations of the stability of the surface sediments related to the regular exposure and submergence of intertidal flat beach surface, the intertidal flat including the external dynamic (wave, flow) and internal stability (erosion resistance) The conceptual model of surface sediment stability explains the tidal flat development process microscopically.