Normally the concrete is stained first to give it color, so the routed locations look like grout lines. Efflorescence - A crystalline deposit of salts (normally white in color) that forms on the concrete surface when soluble calcium hydroxides seep from the concrete and integrate with carbon dioxide in the environment. (Likewise see surface retarder.) Feather edge - To smoothly, effortlessly mix the edge of a topping or repair work product into the existing concrete. Fibers - Tiny filaments made from polypropylene, polyolefin, nylon, polyethylene, polyester, or acrylic used alone or in conjunction with rebar or bonded wire mesh to enhance concrete.
Film-forming sealer - A kind of sealant that blocks the penetration of water and contaminants by forming a barrier on the concrete surface area. May also impart a gloss or sheen, which improves colored or exposed aggregate concrete. See also membrane. Flashing (or flash broadcasting) -A strategy for using accent colors of dry-shake hardenerto concrete surface areas prior to marking.
Flexural strength - The ability of solidified concrete or an overlay to withstand failure in flexing. Drift finish - Surface area texture (typically rough) obtained by ending up with a bull float or hand float. Floor polisher - A walk-behind machine used in the production of refined concrete. Most devices are equipped with a planetary drive system, a large main polishing head (from 17 to 36 inches in size) fitted with three or 4 smaller satellite heads that hold the diamond abrasives.
Important Strategies To Concrete Construction( Likewise see diamond grinding, dry polishing, damp polishing). Fly ash - An additional cementitious material (SCM) Fly ash is a byproduct arising from the combustion of ground or powdered coal; in some cases used as a cement replacement in concrete. Kind liner - Product used to line the interior face of formwork in order to impart a smooth or patterned architectural surface.
Long manages (like those utilized for bull drifts) either clip on or screw into the blade. NOTE: Fresnos should never ever be used on air-entrained exterior concrete as it seals over the top of the piece trapping bleed water below the surface area. Ending up - The treatment (condensing, leveling, smoothing, and so on) of recently placed or fresh concrete to ensure the planned-for surface.
Assess rake - A tool with an adjustable depth gauge created for application of high-build finishings or cementitious toppings at a predetermined, uniform thickness. Gravel Mix - A concrete mix that utilizes either pea gravel or bigger smooth gravel as its coarse aggregate. This mix is normal for exposed aggregate finishes.
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Likewise utilized in classifying structure or building and construction levels, e.g. above grade, on grade, or below grade. Granulated blast furnace slag-- A supplementary cementitious product (SCM) formed when molten blast furnace slag is rapidly cooled. Ground granulated slags are sometimes utilized in concrete mixtures as a cement replacement to assist minimize permeability and improve toughness.
Mitigates the potential for Alkali-Silica Response. Grinding - A mechanical surface area preparation method utilizing rotating abrasive stones or discs to remove thin coverings and mastics or slight defects and protrusions. Grout - A mix of cementitious materials and water, with or without aggregate, proportioned to produce a velvety consistency. Can be purchased preblended in a multitude of colors to specify joints and sawcuts in ornamental concrete pieces or walls, particularly those with stone, brick, or tile patterns Groover - A tool with a V-shaped bit used to create control joints in plastic concrete.
Specifically helpful for drifting along the perimeter of types or to operate in difficult situations. Hard-troweled finish - Surface area surface obtained by utilizing a trowel with a steel blade for final ending up of concrete. Often utilized where a smooth, hard, flat surface is wanted. High-pressure water blasting - A procedure for cleaning or roughening concrete surfaces using a stream of water delivered at high pressure.
Concrete Construction - Lessons DiscoveredHopper gun - A gravity-fed system for spray application of coatings or garnishes. The product is put in a hopper connected to a spray gun, which is powered by an air compressor. Typically used to apply spray-down systems. Hover Trowel - A patented light-weight power trowel established particularly for precision ending up of epoxy, polymer customized, and cementitious overlay systems.
Integral color - A coloring agent premixed into fresh concrete or cementitious garnishes prior to placement. Iron oxide - An inorganic pigment typically utilized to color ornamental coatings and garnishes. Seclusion Joint - Seclusion (or growth) joints different or isolate slabs from other parts of the structure such as walls, footings, or columns; and driveways and patios from sidewalks, garage pieces, stairs, light-poles and other points of restraint.
Joint (control, expansion, or isolation) - Formed, sawed, or tooled groove in a concrete slab utilized to manage the area of cracking (control joint) or to allow expansion or motion of adjoining structures. In decorative concrete, joints can also function as delineating style aspects in a pattern. See: filler - A compressible product used to fill a joint to avoid the seepage of particles.
Common Benefits about Concrete ConstructionKCMMB Mix - A concrete mix requirements developed by the Kansas City Metro Products Board for longer enduring concrete by creating a mix style requirement of specific products and hard rock aggregates that can alleviate the results of salts, deicers, and alkali-silica-reactivity. Kneeboards - Boards utilized by concrete finishers to kneel on when hand floating or shoveling concrete flatwork.
Laitance - A thin layer of fine, loosely bonded particles on the surface of fresh concrete, caused by the upward motion of water. Laitance should be gotten rid of before application of a decorative finishing or topping. Marbleize - To give concrete surface areas the appearance and gloss of marble, through a combination of color layering and ending up techniques.
It has several usages, including scraping off concrete from ending up tools and applying patching materials. Masking - Covering select locations of a concrete surface area with an adhesive stencil, tape, or other medium prior to applying a decorative treatment that will affect only the exposed locations. Product safety information sheet (MSDS) - Information sheets consisting of essential chemical active ingredients, product handling and safety standards.
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Normally clear plastic like acrylic, polyurethane or epoxy. Microtopping - An ultra-thin polymer-based ornamental topping, normally less than 1/4-inch total thickness. Usually applied by trowel or squeegee, and given a texture or smooth finish. Pigments can be incorporated into the mix or broadcast onto the surface for a marbleized appearance.
Commonly utilized to denote finishing thickness. Mix style - Particular proportions of components (cement, aggregates, water, and admixtures) used to produce concrete fit for a specific set of task conditions. Mockup - An architectural concrete sample made utilizing the same materials and techniques proposed for an actual project. Frequently needed for quality assurance on big projects, to guarantee that architectural requirements and industry tolerances are fulfilled.
