This Architectural Drawing is AutoCAD 2d drawing of Details of Tower foundation grouting in AutoCAD, dwg file. An operation to correct the foundation conditions is called "grouting". ? Grouting, as applied to civil and geotechnical construction, involves the injection under pressure of a liquid or suspension into the voids of a soil or rock mass or into voids between the soil or rock mass and an existing structure. For more details and information download the drawing file.