With the rapid development of road engineering today, a large number high-grade highways need to pass through expansive soil distribution areas. At present, research on slope mainly focuses newly excavated cutting slope. However, according experience, landslide fill embankment foundation is also very common. The layer heterogeneous. There are many weak intercalations or fissures under ground, w...

1. Introduction Slopes in quarries and open pit mines, as well as all the types of embankments (stockpiles, tailing dams, waste dumps) resulting from mining and mineral processing activities, must be considered as "geotechnical structures". Therefore, the design and implementation of these structures must be conducted with all consideration. Considering an economical plan, the selection of reas...

classification and utilization of lands based on their capability are necessary for sustainable land use management. the purpose of this study was to identify and grade the effective qualities on the rainfed farming in the roin area, north khorasan province, during the year of 2011. based on field observations and literature review the land qualities including climate, rooting conditions, moist...