Use of Cookies
By continuing your visit on our website, you consent to the use of cookies.
Further information

We use cookies on different pages to make visits of our website attractive and enable use of certain functions. These are small text files stored on your computer. Most of the cookies we use are deleted again from your hard disk after the end of your browser session (so-called session cookies). Other cookies will remain on your computer and make it possible for us to recognise your computer again at your next visit (so-called permanent cookies). Our partner companies have no right to collect personal information via cookies through our website, to process or use them.

Business areas:
Pipe Bending Systems

TT Group Companies
Int. Sales Partners

If there is no TT representation in your country, please contact the TT headquarters at or phone +49 2723 808-0

Construction of circular support structures for tunnelling

Closed circular support structures


Construction of closed circular pipe structures for tunnelling underneath railway line embankments to compensate static pressure and to avoid settlements.


Construction of tunnel side walls


Roofing: Construction of tunnel side wall structures consisting of vertically installed pipes




Construction of underpasses up to 4 m diameter as access or passage ways.


Pipe roofing


Construction of a pipe roof consisting of horizontally installed steel pipes.

Further information


Maulwurf weiss


Do you have any product or
services related questions?
Please contact us:

+44 (0)1234.342 566
Send E-Mail