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Expanded polystyrene (EPS) concrete (also known as EPScrete, EPS concrete or lightweight concrete) is a form of concrete known for its light weight made from cement and EPS (Expanded Polystyrene). It is a popular material for use in environmentally "green" homes. It has been used as road bedding, in soil or geo-stabilization projects and as sub-grading for railroad trackage.[1]
Before 1980, EPS as the aggregate of concrete has been studied in detail.[2] It is created by using small lightweight EPS balls (sometimes called Styrofoam) as an aggregate instead of the crushed stone that is used in regular concrete.[3] It is not as strong as stone-based concrete mixes, but has other advantages such as increased thermal and sound insulation properties, easy shaping and ability to be formed by hand with sculpturing and construction tools.
After many years of exploration and attempt, EPS lightweight concrete can be used in many building structures, such as EPS insulation coating, EPS mortar, EPS sealing putty, EPS lightweight mortar, EPS concrete inner and outer wall panels, etc.[4] In addition, EPS lightweight aggregate concrete is also used in the fields of pavement backfill, antifreeze subgrade, thermal insulation roof, floor sound insulation and marine floating structure.[5] In particular, it has a strong energy absorption function, so it can also be used as a structural impact protection layer.[6] EPS concrete combines the construction ease of concrete with the thermal and hydro insulation properties of EPS and can be used for a very wide range of application where lighter loads or thermal insulation or both are desired.
^"How To Make EPS Concrete". Archived from the original on 15 April 2014.
^Swamy, R.N. (Jan 1983). New Concrete Materials (Concrete Technology and Design, Vol 1). Surrey University Press. ISBN 978-0903384346.
^David John, Cook (1972). Expanded polystyrene beads as lightweight aggregate for concrete. School of Civil Engineering, University of New South Wales. ISBN 9780858410473.
^Matsuo, Eiji; Matsushita, Hiromichi; Makizumi, Tatsunori (1997-08-20). "Property of Super Lightweight Concrete Using Expanded Polystyrene Beads as Coarse Aggregate". Doboku Gakkai Ronbunshu. 1997 (571): 37–48. doi:10.2208/jscej.1997.571_37. ISSN 0289-7806.
^BISCHOFF, PH; YAMURA, K; PERRY, SH (Jun 1990). "Polystyrene Aggregate Concrete Subjected to Hard Impact". Proceedings of the Institution of Civil Engineers. 89 (2): 225–239. doi:10.1680/iicep.1990.6942. ISSN 1753-7789.
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Expandedpolystyrene (EPS) concrete (also known as EPScrete, EPS concrete or lightweight concrete) is a form of concrete known for its light weight made...
Polystyrene (PS) /ˌpɒliˈstaɪriːn/ is a synthetic polymer made from monomers of the aromatic hydrocarbon styrene. Polystyrene can be solid or foamed. General-purpose...
contrast, cast-in-place concrete is poured into site-specific forms and cured on site. Recently lightweight expandedpolystyrene foam is being used as the...
developed world. Insulating concrete forms are manufactured from any of the following materials: Polystyrene foam (most commonly expanded or extruded) Polyurethane...
such as wind load and seismic forces. Cores may also be filled with expanded-polystyrene (EPS) block foam insulation, substantially increasing the R-value...
heat. In modern construction, concrete slabs are usually cast above a layer of insulation such as expandedpolystyrene, and the slab may contain underfloor...
early 1960s lead to the realization of the first samples of polystyrene based light concrete products, where the aggregates (rocks and sand mostly) had...
99.9% recycled polystyrene. This polystyrene, otherwise destined for a landfill, is gathered, melted, mixed, reformulated and expanded to create low density...
bridging. Where rigid panels are most often used: Some, such as expandedpolystyrene (EPS) "beadboard", are suitable for ground contact and are used against...
coverings, extruded polystyrene, plywood, OSB; Semi-permeable (1-10 US perm, or 57-570 SI perm) – such as unfaced expandedpolystyrene, fiber-faced isocyanurate...
bubbles that displace solids, thus reducing the bulk density. Lightweight polystyrene beads may be mixed into the plasters at the factory in an effort to reduce...
making the form. Rather than wood, the forms are made of lightweight expandedpolystyrene (EPS) or cardboard. The forms attach to a prefabricated frame and...
efficient as well as easily understood by all contractors. Polystyrene blocks are used to replace concrete hollow blocks for lightweight insulated slabs. This...
intervention." M4L led to the UK's first self-healing concrete trials. In 2017 the project expanded into a consortium led by the universities of Cardiff...
and other aggregates such as expanded shale, clay, and slate or sodium silicate to produce refractory/insulation concretes and mortars. In the early days...
a panel building system which uses a 4 to 12-inch-thick core of expandedpolystyrene (similar to Styrofoam) sandwiched between two sheets of cellulose...
possibly altering the pH and requiring extra cleaning before reuse. Polystyrene packing peanuts are inexpensive, readily available, and have excellent...
variety of vacuum cleaner, or "Styrofoam" (US) for any product made of expandedpolystyrene. "brass" for brass instruments, or the shell casings of bullet cartridges...
injection-molded polystyrene or resin. Flying models range from simple toy gliders made of sheets of paper, balsa, card stock or foam polystyrene to powered...
translucent when uncolored but is not as readily made transparent as polystyrene, acrylic, or certain other plastics. It is often opaque or colored using...
recovered materials. PET and HDPE have the highest recycling rates, whereas polystyrene and polyurethane are rarely recycled. One of the reasons for low levels...
tensioned, rebar or Fiber reinforced concrete slab, usually 4 to 8 inches thick between the ribs. Sometimes, expandedpolystyrene blocks are used instead of plastic...
and decorative exterior cladding procedure involving the use of expandedpolystyrene, mineral wool, polyurethane foam or phenolic foam, topped off with...
alkylperoxy monocarbonates are used in production of polystyrene, expandedpolystyrene, and High Impact Polystyrene, and benzoyl peroxide is utilized for many acrylate...
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