BASF

Optimized Concrete for the Tunnel de Champel in Geneva

During the construction of the Tunnel de Champel in Geneva, MasterEase from Master Builders Solutions proved to be a well suited superplasticizer for sprayed concrete. MasterEase reduces the viscosity of the concrete, making it less sticky and therefore easier to pump and apply. This is a significant advantage for sprayed concrete applications. MasterEase UG 3904 increases the workability time and, when applied, the concrete hardens more evenly on the tunnel wall.

Thanks to the use of MasterEase, the Swiss tunneling contractor Marti Tunnelbau AG was able to switch to a more economical cement...

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BASF

Optimized Concrete for the Tunnel de Champel in Geneva

During the construction of the Tunnel de Champel in Geneva, MasterEase from Master Builders Solutions proved to be a well suited superplasticizer for sprayed concrete. MasterEase reduces the viscosity...

more
Issue 2010-01 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...

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Issue 2015-03

Influence of the reac­tive Components on Shotcrete Performance

1    Introduction The shotcrete method has become established in European tunnelling since the 1960s, and is carried out in the following steps: first, the rock is excavated, for example by...

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Construction Chemicals

MBCC Group Raises Price for Alkali-Free Shotcrete Accelerators in Tunnel Construction

Question: MBCC Group has announced a price increase before the turn of the year 2020 to 2021 – which products are affected and what is the reason behind it? Fischer: As of 21 December 2020, we have...

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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...

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