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Paris, France

Lafarge is a French industrial company specialising in four major products: cement, construction aggregates, concrete and gypsum wallboard. In 2010 the company was the world's second-largest cement manufacturer by mass shipped behind Holcim. Wikipedia.


The present invention discloses a unitized precast grillage foundation for supporting a structure comprising: a plurality of anchoring elements defining a grid for resting on an underlying surface; a base connected on the grid, the base comprising at least a first footing and a second footing spaced apart and at least one connecting member between and connected to the at least first footing and the second footing; and a beam-column projecting upwardly from the base, and a method of making same.


Patent
Lafarge | Date: 2013-04-05

A process for producing a mineral foam includes (i) separately preparing one or more slurries of cement, and an aqueous foam for which a D50 of bubbles is less than or equal to 400 m; (ii) homogenizing the one or more slurries of cement with the aqueous foam to obtain a slurry of foamed cement; (iii) casting the slurry of foamed cement and leaving the cast slurry of foamed cement to set.


Patent
Lafarge | Date: 2013-05-21

A hydraulic binder includes a Portland clinker having a Blaine specific surface of 4000 to 5500 cm


A compression grinding process of at least one component of a hydraulic binder, include the compression of a bed of material formed by this or these component(s) in a grinding zone, and the addition of oil to the bed of material, via a distribution device located upstream of the inlet to the grinding zone.


A process and an installation for production of clinker and electricity, and a process for modifying a production installation of clinker are presented.

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