Using Air Pressure to Stabilize Tunnel
Using Air Pressure to Stabilize Tunnel
(OP)
Fellow Engineers,
I am researching the feasibility of using air pressure to stabilize a tunnel during excavation. The tunnel is small in size, not very deep (5') and the soil unit weight is about 107 pcf, sandy clay. This will be a temporary solution until a permanent structure can be built.
Any Ideas or references?
Thanks
I am researching the feasibility of using air pressure to stabilize a tunnel during excavation. The tunnel is small in size, not very deep (5') and the soil unit weight is about 107 pcf, sandy clay. This will be a temporary solution until a permanent structure can be built.
Any Ideas or references?
Thanks





RE: Using Air Pressure to Stabilize Tunnel
CSM BESSAC is a specialized french contractor who has been using only this technique for a long time. They have now extended their expertise to other tunnelling techniques but it has been their core business. They have a website with an english version : www.csmbessac.com. They are working outside France, their manager is Didier Verrouil and you can contact him on my behalf, he will be happy to help you