Soil Permeability

All porous materials allow water and other fluids to pass through the voids between particles. This feature is called permeability, and the material is  permeable substance. Sand and gravels are good examples of permeable soils, while clay has a very low permeability. in some cases, such as drainage systems, soil permeability can be used in […]

Geomembrane and how to implement it?

Introduction Geomembrane is a liner with very low permeability installed to control fluid migration. It is usually made of polymeric sheets, however other materials can be used to fabricate it. This material is widely used in different projects such as waste disposal sites, bottom sealing and soil protection. Geomembrane Designing procedure Placement of geomembrane requires […]

Cut-off Wall and its construction

Introduction The main purpose of inserting a cut-off wall is to reduce seepage. Cut-off walls are used for both environmental and civil projects. in excavation projects, for example, cut-off wall can be used as a barrier around the perimeter of the excavation to prevent groundwater from entering the working area. Cut-off walls are also an […]

Soil Stabilization: Ground Freezing

introduction Ground freezing is an effective technique stabilized wet soils and prevent its collapse in many construction projects such as tunneling and excavation. This method is also used to prevent the soil contamination caused by pollutant materials used in excavations. The effectiveness of this method has been proven during the recent century. As it is […]

Node Label and How to Activate them ?

Actually node label is a number to identify the nodes of element . Each node or element has a unique number to be reported in the output file. As a result, whether you want to plot a curve for a specific point or to understand the report file, first you need to extract the labels […]