Abstract: The invention relates to a method (100) for producing a prefabrication element and to a construction binder including a raw clay matrix, a deflocculation agent and an activation composition, wherein: the raw clay matrix includes at least one raw clay from the smectite family; the at least one raw clay from the smectite family represents at least 20% by weight of the construction binder; and the construction binder comprises less than 15% by weight of Portland cement.

Abstract: The invention relates to a method (100) for selecting the composition of a construction material including an excavated clay soil, said construction material composition to include deflocculating agent and activating agent quantities adapted to the excavated clay soil, said method including a step of receiving (130) a measured value of at least one physicochemical property of an excavated clay soil, and a step of selecting (170) a deflocculating agent quantity and an activating agent quantity adapted to the excavated clay soil. In addition, the invention also relates to a method (200) for calibrating a calculation algorithm for determining the composition of a site construction material, to a construction material formed from an excavated clay soil, and to a system (400) for preparing a construction material including an excavated clay soil.

Abstract: The invention relates to a method (100) for selecting the composition of a construction material including an excavated clay soil, said construction material composition to include deflocculating agent and activating agent quantities adapted to the excavated clay soil, said method including a step of receiving (130) a measured value of at least one physicochemical property of an excavated clay soil, and a step of selecting (170) a deflocculating agent quantity and an activating agent quantity adapted to the excavated clay soil. In addition, the invention also relates to a method (200) for calibrating a calculation algorithm for determining the composition of a site construction material, to a construction material formed from an excavated clay soil, and to a system (400) for preparing a construction material including an excavated clay soil.

Abstract: The present invention relates to bituminous compositions comprising molecules of formula (I), (II) and/or (III). The invention also relates to the use of said bitumen compositions in the fields of road applications, particularly in the production of road binders and roadways in general, as well as in the fields of industrial applications. The invention also relates to a method for producing said bituminous compositions. The invention further relates to novel molecules that can be used in particular in the formulation of bituminous compositions.

Abstract: The invention relates to a method (100) for selecting the composition of a construction material including an excavated clay soil, said construction material composition to include deflocculating agent and activating agent quantities adapted to the excavated clay soil, said method including a step of receiving (130) a measured value of at least one physicochemical property of an excavated clay soil, and a step of selecting (170) a deflocculating agent quantity and an activating agent quantity adapted to the excavated clay soil. In addition, the invention also relates to a method (200) for calibrating a calculation algorithm for determining the composition of a site construction material, to a construction material formed from an excavated clay soil, and to a system (400) for preparing a construction material including an excavated clay soil.

Abstract: Bitumen that is solid at ambient temperature in the form of granules that include a core made of a first bituminous material and a coating made of a second bituminous material, the second bituminous material having a total content of asphaltenes, extracted using n-alkane, of 30% to 50% by weight in relation to the total weight of the bitumen in the coating.

Abstract: The invention relates to a method (100) for selecting the composition of a construction material including an excavated clay soil, said construction material composition to include deflocculating agent and activating agent quantities adapted to the excavated clay soil, said method including a step of receiving (130) a measured value of at least one physicochemical property of an excavated clay soil, and a step of selecting (170) a deflocculating agent quantity and an activating agent quantity adapted to the excavated clay soil. In addition, the invention also relates to a method (200) for calibrating a calculation algorithm for determining the composition of a site construction material, to a construction material formed from an excavated clay soil, and to a system (400) for preparing a construction material including an excavated clay soil.

Abstract: The invention relates to a method (100) for selecting the composition of a construction material including an excavated clay soil, said construction material composition to include deflocculating agent and activating agent quantities adapted to the excavated clay soil, said method including a step of receiving (130) a measured value of at least one physicochemical property of an excavated clay soil, and a step of selecting (170) a deflocculating agent quantity and an activating agent quantity adapted to the excavated clay soil. In addition, the invention also relates to a method (200) for calibrating a calculation algorithm for determining the composition of a site construction material, to a construction material formed from an excavated clay soil, and to a system (400) for preparing a construction material including an excavated clay soil.

Abstract: This invention concerns a method for analysing the ageing stability of a bituminous binder, in particular by reference to its susceptibility to oxidation, by analysing a sample of the bituminous binder by means of electron spin resonance and measuring the integral of the signal of the carbon-centred stable radicals; accelerated ageing of the bituminous binder, comprising: i) heating the bituminous binder, followed by ii) heating the bituminous binder resulting from step i) under pressure; analysing a sample of the aged bituminous binder obtained from step b) by means of electron spin resonance and measuring the integral of the signal of the carbon-centred stable radicals; and comparing the integral of the signal of the carbon-centred stable radicals of the bituminous binder obtained from the first step and that obtained from the previous step.

Abstract: A bituminous compositions including at least one molecule of general formula (I) or (II), alone or in a mixture. Also relates to the use of these bituminous compositions in the fields of road applications, particularly in the production of road binders and roadways in general, as well as in the fields of industrial applications. Also relates to a method for preparing said bituminous compositions. Further relates to novel molecules of formula (I) or (II), alone or in a mixture, which can be used in particular in the formulation of bituminous compositions.

Abstract: The bituminous compositions comprising molecules of formula (I), (II) and/or (III) used in the fields of road applications, as well as in the fields of industrial applications, a method for producing the bituminous compositions and novel molecules that can be used in the formulation of bituminous compositions.

Abstract: Bituminous compositions include molecules of formula (I). The use of these bituminous compositions is in the fields of road applications, particularly in the production of road binders and roadways in general, as well as in the fields of industrial applications. There is a method for preparing these bituminous compositions, and novel molecules of formula (I) can be used in particular in the formulation of bituminous compositions.

Abstract: Bitumen that is solid at ambient temperature in the form of granules that include a core made of a first bituminous material and a coating made of a second bituminous material, the second bituminous material having a total content of asphaltenes, extracted using n-alkane, of 30% to 50% by weight in relation to the total weight of the bitumen in the coating.