Geotechnical Studies in Planning of Bridges

Geotechnical studies in the planning of bridges should provide the following Information:

• The types of Rocks, Dips, Faults and Fissures
• Subsoil Ground Water Level, Quality, Artesian Conditions if any 
• Location and extent of soft layers 
• Identification of hard bearing strata 
• Physical properties of soil layers



Figure 1. X-sec of crossing over the Seine via the Bir Hakeim bridge and the limestone quarries under Trocadéro(Paris)