深部粘性土的微观结构与力学性质试验研究分析

Test and Assay of Microstructures and Mechanic Properties for Deep Clayey Soils

采用扫描电镜、X -射线衍射方法研究了拟建矿井龙固矿深部粘性土的微观结构 ,并进行了力学强度的测试 ,初步探讨了其工程地质特征及影响因素 。

Microstructures play an important role in determining the engineering characteristics of the soils.In recent years,along with the development of electron microscopic technology,the studies on microstructrues have made great progress,and how to describe the microstructures quantitatively become an effort exerting subject for the scholars both home and abroad.Up till now,little research has referred to the microstructures of deep clayey soils and the combination of microstructure with mechanic characteristics in particular.By the methods of scanning electron microscope and X ray diffraction,the microstructures of the deep clayey soils in the planned mining pit of Long gu Mine are studied and mechanic properties are tested.The engineering geological properties and the impact factors of the clayey soils are initially discussed and the testing results can be served as reference bases for the studies of microstructures and macromechanic properties.