Lightweight ultra-high-performance concrete (UHPC) with expanded …
However, the density of UHPC developed by pre-saturated lightweight shale aggregate presented in exiting studies are still as high as 2,300 kg/m 3 [24]. Expanded glass is an alternative material for conventional lightweight shale aggregate due to extremely low specific gravity.
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Effect of Steel Fiber Content on Shear Behavior of Reinforced Expanded
The material widely used for structural concrete in China is the sintered expanded-shales. After a series experimental studies, a high-performance steel fiber reinforced expanded-shale lightweight concrete (SFRELC) is produced. The sintered expanded-shale and the ceramsite sand are used for the aggregates of SFRELC to …
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Lightweight concrete
The 60-story Nations Bank Building in North Carolina, United States used presoaked expanded shale lightweight aggregate in 117 mm thick slabs that were supported on posttensioned concrete beams at 3.0 m centers. The lightweight concrete floor system was used to minimize dead weight and to achieve a 3-hour fire rating.
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Expanded Shale, Clay, and Slate Lightweight Aggregate
Expanded Shale, Clay, and Slate Lightweight Aggregate (UN CPC 3756 and 1532) This product group includes expanded shale, clay, and slate lightweight …
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Evaluation of applicability of expanded shale to produce …
Evaluation of applicability of expanded shale to produce lightweight aggregate as a replacement for commercial LECA in constructions | Quarterly Journal of …
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NORLITE | Norlite Agg
norlite expanded shale aggregate Norlite is a manufactured lightweight, porous ceramic material produced by expanding and vitrifying select shale in a rotary kiln. The process produces a consistent and predictable high quality ceramic aggregate that is structurally strong, physically stable, durable, environmentally inert, light in weight and ...
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Lightweight Geotechnical Fill | BUILDEX
Buildex expanded shale lightweight aggregate is our only product, allowing us to concentrate on quality, consistency, service and economy while serving a market area of 15 Midwestern and Rocky Mountain states. 832 Pennsylvania, Lawrence, KS 66044 - Office 22105 MO-371, Dearborn, MO 64439 – Plant
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Alkali-silica reactivity of lightweight aggregate: A brief overview
Lightweight aggregates such as expanded clay, expanded shale and expanded glass are nowadays used for such purpose to produce structural grade concrete. Being an alternative aggregate, the durability of the concrete made with lightweight aggregate, in particular the susceptibility towards ASR must be given greater attention.
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About | BUILDEX
Buildex is a proud member of the Expanded Shale, Clay, & Slate Institute . Please give us a call or send us an email. Please give us a call or send us an email. Buildex expanded shale lightweight aggregate is our only product, allowing us to concentrate on quality, consistency, service and economy while serving a market area of 15 Midwestern ...
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Use of clay in the manufacture of lightweight aggregate
Lightweight aggregates can be obtained from local natural materials such as scoria and pumice stones or manufactured as lightweight expanded clay aggregate (LECA) from expanded clay shale with ...
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America's Leader in Lightweight Aggregate
in Lightweight Aggregate. Arcosa Lightweight is the largest producer of rotary kiln expanded shale and clay lightweight aggregate in North America, with production facilities in Alabama, Arkansas, California, …
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Expanded Shale Concrete| Concrete Construction Magazine
When properly used, they produce dry concretes weighting form 90 to 100 pounds per cubic foot, as compared with 140 to 150 pounds per cubic foot for concretes made with most natural aggregates. These expanded materials make it possible to reduce weight without sacing strength. This is accomplished by using only slightly richer mixes than ...
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How To Use Expanded Shale Soil Amendment
Expanded shale is used by orchid and bonsai enthusiasts to create lightweight, aerating, water retentive potting soils. It can be used with other containerized plants as well. Put a third of the shale in the bottom of the pot and then mix the shale with potting soil 50-50 for the rest of the container. To lighten heavy clay soil, lay a 3-inch ...
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Norlite Agg
NORLITE EXPANDED SHALE AGGREGATE. Norlite is a manufactured lightweight, porous ceramic material produced by expanding and vitrifying select shale in a rotary …
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The Dirt on ESCS Lightweight Aggregate for Stormwater …
A perforated pipe system bedded in lightweight aggregate proved to be the best stormwater solution. Expanded shale was chosen with a gradation of 3/8 inches by 10 inches. This media has a saturated hydraulic conductivity of 1,200 inches per hour and a total pore space of 62 percent (41 percent air-filled porosity and 21 percent moisture …
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Experimental studies on light weight concrete using LECA material
An experimental study on strength and toughness of steel fiber reinforced expanded-shale lightweight concrete. Constr. Build. Mater (2018) N.U ... with various types of lightweight aggregates (LWA) such as extruded polystyrene foam beads waste (EPS), vermiculite, or lightweight expanded clay aggregate (LECA). The mixtures of …
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Lecture 4. Aggregates
The most common lightweight aggregates are pumice, scoria, expanded shale, expanded clay, expanded slate, expanded perlite, expanded slag and vermiculite. To produce lightweight aggregate, the raw material (excluding pumice) is expanded to about twice the original volume of the raw material. The expanded material has properties …
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Engineering properties of structural lightweight concrete …
In turn, for a given fly ash values, mixes containing lightweight aggregates (both expanded clay and shale) have a mean density value of ~1883 kg/m 3 which is about 17% lower than their companion mixes with limestone with ~2264 kg/m 3. In the same way, it can be seen that the use of expanded shale (P100F0S) and clay (P100F0C) …
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NORLITE | Norlite Agg
Norlite is a ceramic material produced by expanding and vitrifying select shale in a rotary kiln fired with recycled fuels. The process produces a high quality ceramic aggregate that is structurally strong, physically stable, …
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ACI 213R-14 Guide for Structural Lightweight-Aggregate …
to produce expanded shale, clay, and slate. LWAs are manu-factured by heating small particles of shale, clay, or slate in a rotary kiln. A particle size was discovered that, with …
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Development of high performance lightweight concrete using ultra …
Aggregates used in this study included river sand (RS), expanded clay lightweight aggregate (CLWA), and expanded shale lightweight aggregate (SLWA). The CLWA was made from fresh clay, and produced through pelletization and sintering in the form of rounded pellets. The angular shaped SLWA was crushed from a big bulk of …
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A Comprehensive Review on the Performance of Structural Lightweight
Lightweight aggregates from the treatment of natural aggregates: The clay or shale is heated in a kiln at a high temperature, which causes the material to expand to make it lightweight. Expanded clays and shales—This is capable of achieving sufficiently high strength for prestressed concrete.
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Experimental study on the dynamic behaviour of expanded-shale
The raw materials of ESLWC consist of cement, lightweight aggregate, water and superplasticizer. The ordinary Portland cement of 52.5 N was used in all the concrete specimens. All the lightweight aggregates consisting of expanded shale were separated into four size fractions of 0–1.18 mm, 1.18–2.36 mm, 2.36–4.75 mm, and …
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About | Northeast Solite
The extreme heat allows the unique shale raw material to expand and bloat creating a new ceramic product that is stronger than common shale and 30% lighter by volume. Our lightweight aggregate is then cooled and sized to ASTM (C330 and C331) and other customer specifications. Our Solite® products combine structural efficiency, high strength ...
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Plate load tests on geogrid-reinforced expanded shale lightweight aggregate
All plate load tests were conducted in an indoor test pit measuring 2.2 m×3.2 m in plan, and 1.6 m in depth.The test pit was filled with 860 mm of expanded shale aggregate.A schematic diagram of the experimental set-up is shown in Fig. 1.The dimensions of the test pits and depth of the aggregate are such that the 305. mm …
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Expanded Shale, Clay, and Slate Lightweight Aggregate
Expanded Shale, Clay, and Slate Lightweight Aggregate (UN CPC 3756 and 1532) This product group includes expanded shale, clay, and slate lightweight aggregate in all applications but primarily in masonry, concrete, asphalt pavement, lightweight geotechnical fills, horticulture, soil amendment, and water treatment.
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A Novel, Multifunctional, Floatable, Lightweight Cement …
Conventional lightweight aggregates concrete incorporating expanded clay, expanded glass, expanded shale, expanded perlite, expanded vermiculite, foamed slag, expanded polystyrene beads, and fly ash aggregates has been developed and investigated in the past and has successfully achieved desired strength and unit weight for application …
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Lightweight Concrete: Composition, Types, and Uses
Lightweight concrete has three main components: lightweight aggregates, water, and a cementitious binder. The lightweight aggregates are the key ingredients in creating the unique properties of lightweight concrete. To create lightweight aggregates, manufacturers use ingredients like expanded shale, clay, and volcanic rocks, which they …
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