New Products

Polymer-modified sprayed concrete from Wacker Chemie AG

Whether in tunneling, mining, hydraulic engineering or road construction, the application of sprayed concrete entails rebound – a significant time and cost factor. For this reason, Wacker Chemie AG developed a new line of polymeric binders for concrete applications that considerably reduce spray rebound – and at the same time optimize the concrete’s properties.
An important quality factor in the performance of sprayed concrete is rebound. Rebound alters its properties, and the excess material cannot be reused but must be disposed of as waste. Reducing rebound is therefore important for both...

Related articles:

Issue 2014-02

Putzmeister Underground

Based on more than 50 years of experience and the technological know-how of a leading provider of concrete pumping and placing equipment, Putzmeister has developed a range of tunneling and mining...

Issue 2014-02


In 2013 Normet introduced concrete spraying simulators for machine-operator training. There are different versions available from just laptop display or 2D / 3D-television screens and control box to...

Issue 2010-07 Construction Equipment

Sprayed Concrete for Tunnelling

For underground construction in tunnelling and mining, Putzmeister develops equipment particularly for shotcreting, but as well for material transport and other applications. The shotcreting product...

Issue 2009-03 Construction Equipment

Safe Securing of the Excavation with Spraying Head Kinematics

The altogether 2,530??m long construction project is being set up by the Tunnel Schwäbisch Gmünd JV (consisting of Züblin, Baresel, Hinteregger, ÖSTU-Stettin). The tunnel is split up from west to...

Issue 2012-05 10th International Conference

Alpbach 2012: new Developments in Shotcrete Technology

Around 350 interested experts from research and practice accepted the invitation by Prof. Wolfgang Kusterle from the TH Regensburg to attend the 10th International Shotcrete Conference on January 12...