主要的工程地质问题有：软土、粉土、膨胀土（岩）、滑坡、崩塌岩堆、岩溶、破碎软弱岩体等。

The main engineering geological problems are as follows:soft soil, powder soil, welled soil (rock) , landslip, breakdown talus and broken weak rock mass.

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解吸因数的大小排列顺序为：黄红壤、粉泥土、高岭土、珍珠岩、青紫泥、硅藻土。

The order of Df (desorption factor) value was: yellowish red soil>silt-loamy soil>kaoline>perlite>paddy soil (loamy clay) >kieselguhr.

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该方法不仅可以适用于砂土、粉土，而且还适用于沉积软岩材料。

This method can be applied to sandy soils, silty soils and deposit soft rock.

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