Kindly explain or elaborate the scope and significance of use about ASTM C70 . Use the image below for reference. Designation: C 70- 06American Association StateHighway and Transportation Officials StandardAASHTO No.: T142INTERNATIONALStandard Test Method forSurface Moisture in Fine Aggregate'This standard is issued under the fixed designation C 70; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon (e) indicates aeditorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*4. Apparatus1.1 This test method covers field determination of the4.1 Balance, having a capacity of 2 kg or more and sensitiveto 0.5 g or less.4.2 Flask-A suitable container or flask, preferably of glassor noncorrosive metal. The container may be a pycnometer, avolumetric flask, a graduated volumetric flask, or other suitablemeasuring device. The volume of the container shall be fromtwo to three times the loose volume of the sample. Thecontainer shall be so designed that it can be filled to the mark,or the volume of its contents read, within 0.5 mL or less.amount of surface moisture in fine aggregate by displacementin water.1.2 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.3 The values stated in SI units are to be regarded as thestandard. The values in parentheses are provided for informa-tion purposes only.5. Sample5.1 Select a representative sample of the fine aggregate to betested for surface moisture content. It shall weigh not less than200 g. Larger samples will yield more accurate results.2. Referenced Documents22.1 ASTM Standards:C 128 Test Method for Density, Relative Density (SpecificGravity), and Absorption of Fine AggregateC 566 Test Method for Total Evaporable Moisture Contentof Aggregate by DryingC 670 Practice for Preparing Precision and Bias Statements6. Procedure6.1 The surface water content may be determined either bymass or volume. In each case the test shall be made at atemperature range of 18 to 29°C (65 to 85°F).6.2 Determination by Mass-Determine the mass of thecontainer, in grams, filled to the mark with only water. Beforeplacing the sample into the container, adjust the level of thewater so that it will be sufficient to cover the sample withoutgoing over the original mark. Introduce the weighed sample offine aggregate into the container and remove the entrained air.Fill the container to the original mark, and determine the massin grams. Calculate the amount of water displaced by thesample, as follows:for Test Methods for Construction Materials3. Significance and Use3.1 This test method is not widely used. However, it is aconvenient procedure for field or plant determination ofmoisture content of fine aggregate if specific gravity values areknown and if drying facilities are not available. It can be usedto adjust the aggregate mass for moisture content and todetemine surface moisture contribution to mixing water inportland cement concrete.3.2 The accuracy of the test method depends upon accurateinformation on the bulk specific gravity of the material in asaturated surface-dry condition.Ma = M. + M, - M(1)where:MaM.M,Mmass of water displaced by the sample, g,mass of container filled to the mark with water, g,mass of sample, g, and= mass of container and sample, filled to the mark with%D1 This test method is under the jurisdiction of ASTM Committee C09 onConcrete and Concrete Aggregates and is the direct responsibility of SubcommitteeC09.20 on Normal Weight Aggregates.Current edition approved Feb. 15, 2006. Published March 2006. Originallyapproved in 1970. Last previous edition approved in 2001 as C 70 – 94(2001).2 For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at service@astm.org. For Annual Book of ASTMStandards volume information, refer to the standard's Document Summary page onwater, g.6.3 Determination by Volume-Measure a volume of water,in millilitres, sufficient to cover the sample and place in thecontainer. Introduce the weighed sample of fine aggregate intothe container and remove the entrained air. Determine thecombined volume of the sample and the water by direct readingthe ASTM website.*A Summary of Changes section appears at the end of this standard.Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.1

The scope of the ASTM C70 is described below: This method consists of an evaluation of the amount…

Answered: Kindly explain or elaborate the scope…

Engineering

Mechanical Engineering

Kindly explain or elaborate the scope and significance of use about ASTM C70 . Use the image below for reference.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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