News 2005-2006

• Publication of Dr. Grabe in tis in December 2006: “Joints of manhole rings- seals and load transfer”
• Lecture of Dr. Grabe at ICCX Berlin, printed in opus C 3.2006 “Modern manhole rings with integrated seals and load transfer”
• Publication team of authors STUVAtec in Tunnel 8/2005 und 2/2006 “STUVA recommendations for testing and application of sealing gaskets in segmental linings”