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Pressure grouting or jet grouting [1] involves injecting a grout material into otherwise inaccessible but interconnected pore or void space of which neither the configuration or volume are known, and is often referred to simply as grouting. The grout may be a cementitious, resinous, or solution chemical mixture. Some types of injected grout may ...
Non-shrink grout is a hydraulic cement grout that, when hardened under stipulated test conditions, does not shrink, so its final volume is greater than or equal to the original installed volume. It is often used as a transfer medium between load-bearing members.
Grout varieties include tiling, flooring, resin, nonshrinking, structural, and thixotropic grouts. [4] The use of enhancing admixtures increases the quality of cement-based materials and leads to greater uniformity of hardened properties. [5] Tiling grout is often used to fill the spaces between tiles or mosaics and to secure tile to its base.
Combinations of economic and technical aspects and, increasingly, environmental concerns have made so-called blended cements, i.e., cements that contain considerable amounts of supplementary cementitious materials (mostly around 20% by weight, but over 80% by weight in Portland blast-furnace slag cement), the most widely produced and used ...
Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, [1] and is the most widely used building material. [2] Its usage worldwide, ton for ton, is twice that of steel, wood, plastics, and aluminium combined. [3]
ECC, unlike common fiber reinforced concrete, is a family of micromechanically designed materials. [2] [3] As long as a cementitious material is designed/developed based on micromechanics and fracture mechanics theory to feature large tensile ductility, it can be called an ECC. Therefore, ECC is not a fixed material design, but a broad range of ...