BASF’s commitment is to contribute to the construction of safe, robust and sustainable underground structures, in addition to providing specialty chemicals for underground construction; BASF is also providing expert technical advice at every stage of a project. Master Builders Solutions offers a wide range of admixtures for addition during concrete batching and on site:

MasterRoc SA:

Aalkali-free set accelerators to accelerate the setting and hardening of the sprayed concrete, providing high early strength gain and long-term strength development, as well as reducing dust and rebound levels.


Water-reducing superplasticizer for lower accelerator consumption minimized bleeding and reduced levels of segregation of sprayed concrete.

MasterRoc HCA:

Cement hydration control system to maintain the open time
of sprayed concrete for up to 72 hours.


Thematisch passende Artikel:

Ausgabe 2009-07 Fire Protection – Gotthard Base Tunnel, PS Bodio

Fire Protection for new and existing Underground Structures

High durability concretes have become a prerequisite to increase the design life of structures. In order to achieve these high durability requirements, concrete is designed to have low permeability...