The interbedding natures exist not only between red sandstone, mudstone and shale but also between red beds with coal seam, magmatite, evaporite and varied rock, respectively.

　
英 美
  • 由于砂巖、泥巖、頁(yè)巖、蒸發(fā)巖、雜色巖等多種軟硬巖層互層結構和工程活動(dòng)等因素的影響，沿著(zhù)軟弱結構面易發(fā)生滑坡、差異風(fēng)化等工程地質(zhì)問(wèn)題。
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