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On behalf of the Brazilian Association for Soil Mechanics and Geotechnical Engineering (ABMS) and the Brazilian Tunneling Committee (CBT), we are pleased to invite you to participate in the 9th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, IS - São Paulo 2017.

The TC-204 Symposia have been traditionally high-level events, where specialists from around the world join to present and discuss their contributions and experiences in underground construction in soft ground.

This time, it will be held in Brazil, a large country with enormous needs and potential for underground construction. The 9th IS will take place in São Paulo, together with the 4th Brazilian Tunneling Congress and the Latin American Tunneling Seminar, two events that have been usually held in São Paulo, and traditionally joined over 600 local and international specialists.

See you in Sao Paulo in 2017!

Werner Bilfinger, IS chairman
Tarcisio B. Celestino, CBT chairman
André P. Assis, ABMS chairman


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Fujita Lecture

The second Fujita Lecture will open the International Symposium.

Confirmed speaker

Keynote Lectures

Four Keynote Lectures will be presented by renowned specialists.

Confirmed speakers

Site visits

Site visits are planned to occur during the third day. Underground excavations will be under construction in new and existing Metro lines in São Paulo.

Schedule to participate in this important event

The main national and international professionals, academics and researchers will be here

IS - São Paulo 2017