System solutions for the safe and verifiable sealingof steel reinforced concrete jacking pipes

DS Dichtungstechnik GmbH, 48301 Nottuln, Germany

With the growing demands for steel reinforced concrete pipes for trenchless pipe jacking, various solutions for the construction of the pipe joint have also been developed in the past few years. The joining of jacking pipes requires not only a durable seal in the installed condition, but also the guarantee of functional reliability during the construction phase. During construction, the penetration of propping agents and lubricants (bentonite) and, if necessary, the escape of compressed air from the pipeline must be prevented. The task of the pipe joint is also to transfer the longitudinal forces from pipe to pipe in addition to absorbing the shear forces when there is a change of direction of the pipeline section

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DS Dichtungstechnik GmbH Lise-Meitner-Str. 1 48301 Nottuln, Germany T +49 2502 23070 F +49 2502 230730 www.dsseals.com info@dsseals.com

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