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EXPANDED SHALE CLAY AND SLATE LIGHTWEIGHT AGGREGATE GEOTECHNICAL FILL Jody Wall, PE Reid Castrodale, PhD, PE Carolina Stalite Company Salisbury, NC 2 Structural Lightweight Aggregate LWA is a manufactured aggregate – Raw material is shale, clay or slate – Expanded in a kiln at 1900-2200 deg. F – Gas bubbles formed in softened material are …
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The process produces a consistent and predictable high quality ceramic aggregate that is structurally strong, physically stable, durable, environmentally inert, light in weight and highly …
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tary-kiln-produced expanded shale not Going to sea in concrete Versatile concrete shapes boat hulls By R. W. Steiger F i g u r e 1. The USS Selma, a 7,500-ton re i n f o r ced concrete tanker built in Mobile, Ala., was launched June 26, 1919. This marked the first use of shale aggregate ex-panded in ro t a r y kilns for lightweight s t r ...
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Gravel prices average $10 to $50 per ton, $15 to $75 per cubic yard, $1 to $3 per square foot, or $1,350 per truck load depending on the rock type and travel distance. Gravel spreading costs $12 per yard or$46 per hour. 1. A 4'×20' gravel walkway costs $250installed. 2. A 10'×20' gravel patio or landscaping costs $450i…
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Our exclusive lightweight aggregate concrete is now found in the tallest buildings, longest bridge decks, and infrastructure. We select raw materials that possess the unique physical …
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Buildex® lightweight aggregate is a ceramic structural lightweight aggregate that saves material, energy, labor and transportation costs.
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Reduce Bulkhead Material Costs in Waterfront Construction. Lightweight aggregate can also be essential to cost-effective waterfront development. Its predictably high …
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aggregate (consisting mostly of ex panded shale) has been used to pro duce semi-lightweight (SLW) pre stressed concrete for selected projects since 1991. The SLW concrete used in these projects has weighed around 130 lb per cu ft (2080 kg/rn3) compared to 145 lb per cu ft (2320 kg/rn3) for nor mal weight concrete. The SLW con
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Buildex® lightweight aggregate has many features that make it an ideal lightweight geotechnical fill – for use in helping convert unstable soils into usable: Half the weight, coupled with a high internal friction angle can reduce vertical and lateral force by more than one-half • Free draining • Provide insulation • Chemically inert
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Shale, Clay & Slate Lightweight Aggregate And Lightweight Concrete Masonry Units April 2007 Expanded Shale, Clay & Slate Institute (ESCSI) 2225 E. Murray Holladay Rd, Suite 102 Salt Lake City, Utah 84117 (801) 272-7070 Fax: (801) 272-3377 info@escsi . …
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LECA, also known as lightweight expanded clay aggregate, is a collection of kiln-fired clay baked into round balls. Used in all types of gardening functions, these porous pebbles allow for …
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A total of 17 SCLCs were designed with a water-binder ratio (w/b) of 0.32, in which the natural aggregates were partially replaced with cold-bonded lightweight fine aggregate (LWFA) and ...
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The superior qualities of expanded shale, clay and slate lightweight aggregate are effective and economical in many applications.
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panded shale) to solve settlement and stability problems aris ing from highway and bridge construction over deep deposits of soft varved clay in the Connecticut River valley. More than 61 200 m3 (80,000 yd3) of lightweight fill was placed for the 14.0-m …
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ESCS is an environmentally friendly product that saves material, labor and transportation costs, and improves the functionality and service life of the products in which it is used.
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The slightly upper cost of the LWC is counterbalanced by reducing. ... sand was replaced by shale aggregate from 0 to 100% at a 25% incremental level. The split ... panded clay aggregate.
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At Arcosa Lightweight, we aim high when it comes to providing expanded shale and clay lightweight aggregate of the highest quality. Arcosa Lightweight is able to serve the construction industry from California to Virginia, and from Minnesota …
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Expanded shale is a lightweight, porous aggregate made by heating crushed mined shale to >1200 Cin a rotary kiln followed by screening to isolate various size fractions. Due to its porous nature, expanded shale will absorbupto25%water(w/w)in24h and up to 35% water (w/w) over a 4- to 6-d period (Sloan et al., 2000). Because expanded shale will ...
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The cylinder compressive strength of crushed shale aggregates S1 and S3 was much lower than quasi-spherical shale aggregate Y2 but the concrete made of aggregates S1 and S3 showed higher compressive strength, which can be attributed to the following reasons: (1) the specific surface area of crushed shale aggregate is much larger compared with ...
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and "Idealite" aggregate. Idealite is an expanded shale aggregate pre-pared in fine (passing No. 8 mesh), (Numbers refer to references at end of article. August 1967 medium (No. 8 mesh to %e in.), and coarse (skis in. to 3/a in.) sizes. Each specimen contained 12 sev-en-wire, 3A-in. diameter cables placed as shown in Fig. 1. The yield
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Wholesale Various High Quality Equipment For The Production Of Aggregate Products turkey projects light expanded clay aggregate equipments US $32258 322580 1 Set M Found 5910 used rock crushing equipments for sale from different used rock crushing e used crushing plant in today s mining quarrying construction aggregate production . Get Price
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costs which would be reduced by the reduced weight of concrete even on cast-in-place jobs. The modern lightweight aggregate •industry was started in ... aggregate (E•:panded Shale• Clay, and Slate Institute 1971)o Today, lightweight concrete has become an important material in the structural concrete industry° It is used on a
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