Base Isolation Websites:
conservationtech.com
Conservationtech-Randolph Langenbach
This site is dedicated to the work of Randolph Langenbach in the field of building conservation, with a specialization in masonry buildings in earthquake areas
jcesegroup.com
JCE Structural Engineering Group
dis-inc.com
Dynamic Isolation Systems
Dynamic Isolation Systems (DIS) is the leader in the Seismic Isolation of bridges and buildings. More than 250 buildings and bridges are protected from earthquakes by DIS...