摘要:
Die vorliegende Erfindung betrifft eine Kombination aus einem werksseitig angemischten Mauermörtel und einem Bewehrungstextil für die Herstellung einer bewehrten Lagerfugenmörtelschicht eines bewehrten Mauerwerks, eine derartige Lagerfugenmörtelschicht, ein bewehrtes Mauerwerk mit einer derartigen Lagerfugenmörtelschicht sowie ein Verfahren zur Herstellung einer derartigen Lagerfugenmörtelschicht und ein Verfahren zur Herstellung eines bewehrten Mauerwerks.
摘要:
Insulation material for construction, of the type used in floors, ceilings and walls to improve thermal and acoustic insulation, which comprises mechanically recycled polyurethane in the form of particles, one or several flame retardants and water as the binding element, all of which are mechanically mixed. Optionally latex or other bonding agents, and powdered graphite can be added. The invention presented affords the main advantage of allowing optimal recycling of the polyurethane that is widely used in cars and in numerous industrial applications, obtaining a safe product in the event of possible fires in buildings, that allows compliance with strict building regulations, and that also provides excellent acoustic and thermal insulation.
摘要:
A method of manufacturing a cementitious composition comprising: dispersing expanded polymeric microspheres into a liquid dispersion, optionally wherein the liquid dispersion comprises an aqueous dispersion; and incorporating the liquid dispersion comprising expanded polymeric microspheres into the cementitious composition; wherein the expanded polymeric microspheres are present in the liquid dispersion in an amount of about 0.1 to about 15 percent by weight, based on the total weight of the dispersion, prior to incorporation into the cementitious composition. An admixture for cementitious compositions comprising unexpanded polymeric microspheres and sodium hydroxide.
摘要:
The invention relates to lightweight concrete having a dry bulk density of 200 to 600 kg/m3 and a method for the production thereof. The invention is characterized by the fact that the light concrete is made from a mixture of water, cement, flow agent, foaming agent or pore-forming agent, and microfibers while being provided with structural support properties.
摘要:
A variety of methods and compositions are disclosed herein, including, in one embodiment, a method comprising: introducing a settable composition into a subterranean formation, wherein the settable composition comprises: a cementitious component comprising a hydraulic cement and cement kiln dust; a swellable particle; and water; and allowing the settable composition to set in the subterranean formation. Another embodiment comprises a settable composition comprising: a cementitious component comprising a hydraulic cement and cement kiln dust; a swellable particle; and water.
摘要:
A method of forming and mixing a Portland cement based material incorporating expanded styrene beads with a liquid surfactant being added at the time of mixing the Portland cement and other ingredients. As well there is described a masonry product with expanded styrene beads and air bubbles distributed through the product with rehydrated Portland cement crystals distributed as aligned crystals located around the beads and other materials.