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ASTM_D_5313_-_D_5313M_-_12_2013.pdf

1、Designation:D5313/D5313M12(Reapproved 2013)Standard Test Method forEvaluation of Durability of Rock for Erosion Control UnderWetting and Drying Conditions1This standard is issued under the fixed designation D5313/D5313M;the number immediately following the designation indicates theyear of original a

2、doption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of lastreapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This test method covers procedures for evaluating thedurability of rock for

3、 erosion control when exposed to wettingand drying conditions on slabs of rock.This weathering testexposes the rock to wetting and drying cycles similar tofluctuating water levels and weather conditions.The rock slabs,prepared in accordance with procedures in Practice D5121,areintended to be represe

4、ntative of erosion control rock and itsweaknesses.The test is appropriate for breakwater stone,armorstone,riprap and gabion sized rock materials.The limitations of the test are twofold.First,the size of thecut rock slab specimens may eliminate some of the internaldefects present in the rock structur

5、e.The test specimens maynot be representative of the quality of the larger rock samplesused in construction.Careful examination of the rock sourceand proper sampling are essential in minimizing this limitation.Secondly,the test requires the rock slabs to be exposed to 80wetting-drying cycles.The tes

6、t is time intensive and willrequire approximately three months to complete the samplepreparation,testing,and analysis portions of the procedure.1.2 The use of reclaimed concrete and other materials isbeyond the scope of this test method.1.3 UnitsThe values stated in either SI units or inch-pound uni

7、ts presented in brackets are to be regarded sepa-rately as standard.The values stated in each system may not beexact equivalents;therefore,each system shall be used inde-pendently of the other.Combining values from the two systemsmay result in non-conformance with the standard.1.4 All observed and c

8、alculated values shall conform to theguidelines for significant digits and rounding established inPractice D6026,unless superseded by this standard.1.4.1 For purposes of comparing measured or calculatedvalue(s)with specified limits,the measured or calculatedvalue(s)shall be rounded to the nearest de

9、cimal or significantdigits in the specified limits.1.4.2 The procedures used to specify how data are collected/recorded or calculated in this standard are regarded as theindustry standard.In addition,they are representative of thesignificant digits that generally should be retained.The proce-dures u

10、sed do not consider material variation,purpose forobtaining the data,special purpose studies,or any consider-ations for the users objectives;and it is common practice toincrease or reduce significant digits of reported data to becommensurate with these considerations.It is beyond the scopeof this st

11、andard to consider significant digits used in analyticalmethods for engineering design.1.5 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

12、 determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2D653 Terminology Relating to Soil,Rock,and ContainedFluidsD2216 Test Methods for Laboratory Determination of Water(Moisture)Content of Soil and Rock by MassD3740 Practice for Minimum Requir

13、ements for AgenciesEngaged in Testing and/or Inspection of Soil and Rock asUsed in Engineering Design and ConstructionD4753 Guide for Evaluating,Selecting,and Specifying Bal-ances and Standard Masses for Use in Soil,Rock,andConstruction Materials TestingD4992 Practice for Evaluation of Rock to be Us

14、ed forErosion ControlD5121 Practice for Preparation of Rock Slabs for DurabilityTestingD6026 Practice for Using Significant Digits in GeotechnicalData1This test method is under the jurisdiction ofASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.17 on Rock for E

15、rosionControl.Current edition approved Jan.15,2013.Published February 2013.Originallyapproved in 1992.Last previous edition approved in 2012 as D5313/D5313M 12.DOI:10.1520/D5313_D5313M-12R13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at service

16、astm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Terminology3.1 DefinitionsSee Terminology D653 for general defini-tions.3.2 Definitions of Terms Specific to This Standard:3.2.1 rock saw,na saw capable of cutting rock.The term“rock saw”shall inclu

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