由于风化程度不同，残积土在不同深度和地区出现的物质成分和结构特征而有差异。
The difference in composition and texture is due to the difference in depth of weathering and geographical position.
频率曲线众数峰含量随深度的变化，不但指示了化学风化趋势，而且反映了风化程度的变化梯度。
The variation of frequency curve's mode peak content with the increasing of depth, shows not only the trend of chemical weathering but also variation gradient of weathering extent.
结果表明抗拔桩的曲线形状与持力层岩石风化程度和桩的嵌岩深度有关。
It is shown that the shape of curves is related to the rock weathering of bearing strata and rock-socketed depth.
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