ASTM_D_6711_-_15e1.pdf

Designation:D6711151Standard Practice forSpecifying Rock to Fill Gabions,Revet Mattresses,andGabion Mattresses1This standard is issued under the fixed designation D6711;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEEditorially corrected units of measurement statement in June 2021.1.Scope1.1 This practice covers the sizes and quality of rock to fillgabions and mattresses.The term mattress as used in thisstandard shall include the terminology of gabion mattressesand revet mattresses used in Specifications A974 and A975.1.2 This practice does not cover the sizes and quality of rockfor other erosion control uses such as riprap or drainage.1.3 This practice does not cover the material properties orconstruction of gabions or mattresses.1.4 UnitsThe values stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.5 This practice offers a set of instructions for performingone or more specific operations.This document cannot replaceprofessional judgment.Not all aspects of this practice may beapplicable in all circumstances.This ASTM standard is notintended to represent or replace the standard of care by whichthe adequacy of a given professional service must be judged,nor should this document be applied without consideration ofa projects many unique aspects.The word“Standard”in thetitle of this document means only that the document has beenapproved through the ASTM consensus process.1.6 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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.7 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2A974 Specification for Welded Wire Fabric Gabions andGabion Mattresses(Metallic-Coated or Polyvinyl Chlo-ride(PVC)Coated)A975 Specification for Double-Twisted Hexagonal MeshGabions and Revet Mattresses(Metallic-Coated SteelWire or Metallic-Coated Steel Wire With Poly(VinylChloride)(PVC)Coating)D4992 Practice for Evaluation of Rock to be Used forErosion ControlD5519 Test Methods for Particle Size Analysis of Naturaland Man-Made Riprap Materials3.Terminology3.1 gabion,nin erosion control,a wire mesh container ofvariable size and interconnected with other similar containers.It is filled with rock to form flexible,permeable,monolithicstructures.3.2 mattress,nin erosion control,a wire mesh containeruniformly partitioned into internal cells with relatively smallheight in relation to other dimensions.Mattresses have smallermesh openings than the mesh used for gabions.4.Summary of Practice4.1 The designer shall establish the suitable sizes,weight,and quality of rock for project use,and examine sources toensure that the required rock is available.4.2 Rock shall be delivered to the work site in a manner tominimize its reduction in sizes(breakdown)during the han-dling of the rock,and then placed and secured within theassembled and interconnected gabion or mattress.1This practice is under the jurisdiction of ASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.25 on Erosion andSediment Control Technology.Current edition approved May 1,2015.Published June 2015.Originallyapproved in 2001.Last previous edition approved in 2008 as D6711 01(2008).DOI:10.1520/D6711-15E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1NOTE1Clean crushed concrete may be used as an alternative whenrock is not available.5.Significance and Use5.1 Gabions and mattresses,described in SpecificationsA974 and A975,are placed on sites for soil stabilization and toprevent soil erosion.Their ability to function properly