Shale Clay Slate Chemical Composition Lightweight Aggregates

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Aggregates for Concrete

Aggregates of expanded shale clay slate and slag (Fig 5-3) are used to produce struc-tural lightweight concrete with a freshly mixed density ranging from about 1350 to 1850 kg/m 3 (90 to 120 lb/ft 3) Other lightweight materials such as pumice scoria perlite vermiculite and

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VERSION ADOPTION VALIDITY PERIOD APR 2015 MAR 2020

EXPANDED SHALE CLAY AND SLATE LIGHTWEIGHT AGGREGATE / PCR009 PCR Preparing an Environmental Product Declaration for Expanded Shale Clay and Slate Lightweight Aggregate An EPD created under these PCR shall be valid for a five (5) year period from the date of issue after which it shall be reviewed and verified

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CLAY AND SHALE

the USGS canvass of the clay and shale industry Most of the common clay and shale producers were manufacturers of structural clay products such as brick cement clay pipe drain tile lightweight aggregates and sewer pipe About 90% of production was used to manufacture brick lightweight aggregate and cement

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(ESCS) Expanded Shale Clay Slate Lightweight Aggregates

shale expanded clay and expanded slate lightweight aggregates The Institute promotes the use of these products for structural lightweight concrete lightweight concrete masonry asphalt geotechnical horticulture and other markets Their product research and

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Expanded Shale Clay and Slate Lightweight Aggregate

eXpAnded sHAle ClAy And slATe liGHTWeiGHT AGGreGATe / pCr009 pCr Preparing an Environmental Product Declaration for Expanded Shale Clay and Slate Lightweight Aggregate An EPD created under these PCR shall be valid for a five (5) year period from the date of issue after which it shall be reviewed and verified

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#BDLUPPSJHJOBM

- Lightweight aggregates were either natural materials by- - Manufactured aggregate materials included expanded shale clay and slate Haydite is one example of an expanded shale product - Spalling May be caused by the composition of the concrete mixture prolonged exposure to water which has infiltrated the

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Expanded Shale Clay and Slate in Water Filtration

suspended particles and chemical compounds as well as When suitable shale clay and slate are heated in a rotary kiln to temperatures in excess of 1100 C (2000F) a cellular Lightweight Aggregate Pores = 52 x 46 = 24 Lightweight Aggregate Particle Lightweight

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Aggregates for Concrete

Aggregates for Concrete Lightweight Aggregate (1) Expanded Shale Clay Slate Aggregates for Concrete Aggregate Characteristics and Tests (2) ASTM C 40 (AASHTO T 21) ASTM C 87 (AASHTO T 71) ASTM C 117 (AASHTO T 11) ASTM C 123 (AASHTO T 113) ASTM C

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J Singletongreen Fineness Grading Absorption Impurity Bulk density Specific gravity

Effect of presoaking degree of lightweight aggregate on

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Effect of presoaking degree of lightweight aggregate on the properties of lightweight aggregate concrete *Chao-Wei Tang1) produced from materials such as clay shale slate or natural deposits and industrial wastes (Somayaji 2001 Tang et al 2011 Tang 2014) chemical composition and physical properties of the cement are listed in

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Fly Ash

or pre-stressed concrete used in construction [3] Lightweight aggregate concrete consists of lightweight aggregate (expanded shale clay or slate materials that have been fired in a rotary kiln to develop a porous structure) which can be used as a replacement for normal aggregates such as crushed stone or sand [4]

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AGGREGATE QUALITY MONITORING PROGRAM

2 6 Lightweight Aggregate—expanded shale clay or slate produced by the rotary kiln method 2 7 Outlier—a single test result that represents improved quality deviates 25% or more from the average of the other four test results and when used in the statistical calculation of the rating has a

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INTERNAL CURING Using Expanded Shale Clay and Slate

Using Expanded Shale Clay and Slate Lightweight Aggregate The text and references are from ASTM 169D Significance of Test and Properties of Concrete and Concrete Making Materials Chapter 46 – "Lightweight Concrete and Aggregate " American Society

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Chapter 2 Rotary Kiln Production of ESCS Lightweight Aggregate

ceramic engineer who recognized that clay brick that had excessive expansion could in fact be utilized in the production of high quality lightweight aggregate for use in concrete products that had a significantly improved strength to weight ratio Figure 2 1 Flow Diagram of the Manufacturing Of Expanded Shale Clay and Slate

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Effect of presoaking degree of lightweight aggregate on

Effect of presoaking degree of lightweight aggregate on the properties of lightweight aggregate concrete *Chao-Wei Tang1) produced from materials such as clay shale slate or natural deposits and industrial wastes (Somayaji 2001 Tang et al 2011 Tang 2014) chemical composition and physical properties of the cement are listed in

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