Cellular Concrete is a cementitious paste of neat cement or cement and fine sand with a multitude of micro/macroscopic discrete air cells uniformly distributed throughout the mixture to create a lightweight concrete. The thinner lightweight concrete slab has a reduced flexural capacity, but the capacity is still sufficient to support most commercial occupancy floor loads. Lightweight Concrete: Light weight aggregate concrete, Aerated concrete, No-fines concrete. Lightweight Concrete It may be defined as the concrete of substantially lower unit weight than that made from gravel or crushed stone. The density of lightweight concrete in the range between 300 to 1850 Kg/cum and the average concrete density 2200 to 2500 Kg/cum. Lightweight concrete maintains its large voids and not forming laitance layers or cement films when placed on the wall. In this code, a lightweight concrete without natural sand is termed "all-lightweight concrete" and lightweight concrete in which all of the fine aggregate consists of normal weight sand is termed "sand-lightweight" concrete." Lightweight concrete blocks are made by adjusting the ratio of the concrete mix with a lightweight aggregate, like Perlite. Ordinary concrete is quite heavy and its density is 2300 kg/m3. with a lightweight aggregate (expanded clay, shale or slate) to reduce the overall weight of the piece. When the 1.5mm (0.059″) Lightweight Concrete is applied to various panels such as plywood, MDF or sheet material, to provide just a few examples, the possibilities are unlimited for architectural and design applications, trade shows, shops and retail cabinets. LA abrasion test|Los Angeles Abrasion Test|LAA Test on Aggregates for Pavement Slump Test of Concrete, slump cone for Workability – Procedure, Apparatus Structural lightweight concrete has strengths comparable to normal weight concrete, yet is typically 25% to 35% lighter. LECA is an example of expanded clay and Poraver is an example of expanded glass aggregates. It is used to reduce the dead load of concrete members, such as floor slabs in high-rise buildings. Concrete is one of the most durable and versatile construction products ever developed, and is more widely used than any other building material. Lightweight concrete can be defined as a type of concrete which includes an expanding agent in that it increases the volume of the mixture while giving additional qualities such as nailbility and lessened the dead weight. These have a unit weight up to 12 kN/m3. The most common example of this type of concrete is known as autoclaved aerated concrete. It may also be defined as: concrete which uses lightweight aggregates May consist of lightweight aggregates are used in ordinary concrete of coarse aggregate and sand, … The lightweight concrete aggregate or common concrete hollow block is used as the basic material. Lightweight concrete floor provides more efficient strength-to-weight ratio in concrete floor systems when compared to other conventional concrete floor systems. The reduced quantity of concrete and steel reinforcement offsets the marginally higher cost of lightweight concrete floor systems. Lightweight concrete is made by replacing some (or all) of the normal weight aggregate (crushed limestone, granite, quartz, etc.) Note that though the density is the same there is a difference in design for all-lightweight vs sand-lightweight concretes. What is Lightweight Concrete? A: Structural lightweight concrete (SLC) is made with lightweight aggregates (such as expanded clay, slate, or shale; pelletized or extruded fly ash; or expanded slag) either alone or combined with normal weight aggregates. It also has a high degree of saturation. It is basically concrete that has replaced the standard heavy gravel aggregate with a lightweight substitute, such as crushed volcanic stone, perlite or vermiculite. If you are using the concrete indoors or in a place unaffected by weather, then a full lightweight mix is acceptable. It is not suitable for use in floor filling as filler in general. Lightweight Aggregate Concrete (LWAC) LWAC is the popular type of light weight concrete, in which lightweight aggregates are used. However, in composite slabs, the design is most often governed by the flexural strength. A: (Kelly) Lightweight concrete does not necessarily require the use of expensive or unusual additives. 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