摘要:
Device for manufacturing belite calcium sulfoaluminate ternesite clinker, comprising a rotary kiln (1 ) and a cooler (3), wherein a tempering device (2) is provided between an outlet of the rotary kiln (1) and the cooler (3), wherein the tempering device (2) comprises a control unit (4) that regulates a temperature control means, preferably a heating means (5) and/or a gas supply, and the residence time.
摘要翻译:(1)和冷却器(3),其中回火装置(2)设置在回转窑(1)的出口与回转窑(1)之间,回火装置 和冷却器(3)之间,其中调温装置(2)包括调节温度控制装置,优选加热装置(5)和/或气体供应的控制单元(4)以及停留时间。 p >
摘要:
The present invention relates to improved concrete elements, particularly to self-prestressed, high-performance concrete elements (SP-HPC elements); to cementitious compositions suitable, for producing such concrete elements; to methods of manufacturing such concrete elements and such cementitious compositions; to the use of specific components in concrete elements and cementitious mixtures. The compositions and elements described herein comprise an effective amount of expansive agents in combination with superabsorbent polymers (SAP) and shrinkage reducing admixtures (SRA), and optional further components as defined in the claims. The present invention further provides for improved tendons, suitable for SP-HPC elements.
摘要:
The invention relates to compositions comprising inorganic compounds selected from calcium silicate hydrate (C-S-H), ettringite or AFm phases and a copolymer comprising thiovinyl ether polyether macromonomers and anionic monomers, the weight ratio of copolymer to calcium being from 1/20 to 20/1. In addition it relates to methods for producing the compositions and construction material mixtures comprising the compositions.
摘要:
The present invention relates to a self-foaming geopolymer composition comprising at least one hydraulic binder; at least one binder selected from latent hydraulic binders, pozzolanic binders, and mixtures thereof; at least one alkaline activator; and aluminum dross. It moreover relates to the use of that geopolymer composition for the production of geopolymer foams and/or foamed geopolymer products.
摘要:
The present invention relates to composite binders containing calcium sulfoaluminate cement and supplementary cementitious material, wherein a weight ratio of calcium sulfate to the sum of ye'elimite, aluminates and ferrites (R $/(Y+A+F) ) ranges from 0.5 to 0.85, to a method of manufacturing them comprising the steps: a) providing at least one calcium sulfoaluminate cement b) providing at least one supplementary cementitious material c) mixing 10 to 90 % by weight calcium sulfoaluminate cement(s) with 10 to 90 % by weight supplementary cementitious material(s), and to their use for making hydraulically setting building materials and special construction chemical compositions.
摘要翻译:本发明涉及含有硫铝酸钙水泥和辅助水泥质材料的复合粘合剂,其中硫酸钙与铝锂盐,铝酸盐和铁氧体的总和的重量比(R $ /(Y + A + F))为0.5〜 0.85,涉及一种制造它们的方法,包括以下步骤:a)提供至少一种磺铝硅酸钙水泥b)提供至少一种补充水泥质材料c)将10至90重量%的硫铝酸钙水泥与10至90重量% 补充水泥材料,以及用于制造水硬性建筑材料和特殊施工化学成分的用途。
摘要:
L'invention concerne un liant hydraulique à base d'un clinker sulfo-alumineux comprenant les phases minéralogiques Yeelimite C 4 A 3 $, Mayenite C 12 A 7 ,de la chaux libre CaO, et éventuellement de la Bélite C2S, caractérisé en ce que dans ledit clinker les phases minéralogiques sont présentes dans les proportions・de 20% à 50% massique de phase Yeelimite C4A3$, de 5% à 80% massique de phase Mayenite C12A7,・et de 1 à 5% massique de chaux libre CaO, le rapport massique entre les phases Mayenite C 12 A 7 et Yeelimite C 4 A 3 $ étant comprise entre 0,1 et 10. Le liant peut 10 être utilisé dans un procédé de traitement de sols pollués, notamment de sols présentant une fraction lixiviable supérieure à 0,4%,la dite fraction lixiviable renfermant majoritairement des anions, notamment des ions sulfate et/ou des ions chlorure,et/ou des cations de métaux lourds, par mélange du dit sol avec ledit liant hydraulique, dans des proportions massiques sol/liant comprises entre 1 et 40 parties 1 de liant pour 100 parties de sol. Il permet la stabilisation de sols pollués ou avant mise en décharge.
摘要:
A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar and repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium aluminate cement, a calcium sulfate and a chemical activator with water