Holcim Technology Ltd

Antoine Creyx

Christophe Levy

Qing Zhang

Anthony Peuchlestrade

Fabrice Toussaint

Eric Brouard

Olivier Watt

Jody Wise

Delphine Thomas

Joanne Wise

A process of preparing a cemented paste backfill material, the material including ground mine tailings, a hydraulic binder and water, wherein the solids content of the backfill material is 70-82 wt.-%, the process including a) providing a dry premix, the premix including the hydraulic binder, a superplasticizer and optionally a defoaming agent, b) mixing the dry premix with the ground mine tailings and water.

Process of preparing a cemented paste backfill material

A method for the construction of a data center, includes (a) providing a fresh concrete composition including a paste that includes a hydraulic binder, a mineral addition and water, the paste being present in a mixture with sand and aggregates, whereby the paste is present in the concrete composition in a volume of &#x3c;320 L/mand/or the solid volume fraction of said paste is &#x3e;50 vol.-% and (b) placing the fresh concrete composition so as to build walls, a floor and/or a ceiling of the data center, which are intended to surround the individual components of computer systems, which are housed in the data center.

Method for the construction of a data center

A method for encasing underground electrical cables, includes (a) providing a fresh concrete composition including a paste that includes a hydraulic binder, a mineral addition and water, the paste being present in a mixture with sand and aggregates, whereby the paste is present in the concrete composition in a volume of &#x3c;320 L/mand/or the solid volume fraction of said paste is &#x3e;50 vol.-% and (b) placing the fresh concrete composition so as to encase the underground cables therewith.

Method for encasing underground electrical cables

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Holderbank, Switzerland

Antoine Creyx