����������—�����θ��ٹ�··���������е�������ѧ���鼰������ɺͽṹ�ķ������Խ������: ����������������ɺͻ�ѧ�ɷ��������������нϴ����, ��SiO₂��Al₂O₃�������Ը�������������΢�ṹ��֧�ܴ��΢����ṹ��֧�ܴ��-��Ƕ΢�װ뽺��ṹ������״����ṹ������״����ṹ4������Ϊ��, �����нϺõ�������ѧ����: ���ܶ�Ϊ1.15��1.76 g/ cm³ , ��Ȼ��ˮ��ƽ��ֵΪ18.31% , cֵΪ7.5��86.3 kPa, φֵΪ14.0��29.9°, ʪ���Ի��������е�ʪ����Ϊ����

The results of physical mechanical tests, material components and structures of roadbed loess in Fuxin-Chaoyang highway of Liaoning show that Liaoxi loess is different from other areas’ in particle composition and chemical component, such as the contents of SiO₂ and Al₂O₃ are higher than other areas. The microstructures include bracket particles and macroporous micro-cemented structure, bracket particles and macroporous-inlay particles and microporous half-cemented structure, flocculated-cemented structure and clotted-cemented structure. The loess has preferable physical and mechanical properties: dry density is 1.15��1.76 g/cm³ , average content of natural water is 18.31% , c is 7.5��86.3 kPa, φ is 14.0��29.9 degree, etc., and the collap sible loessmainly belongs to medium-collapsibility.