ASTM_D_6884_-_03_2015e1.pdf

Designation:D688403(Reapproved 2015)1Standard Practice forInstallation of Articulating Concrete Block(ACB)RevetmentSystems1This standard is issued under the fixed designation D6884;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.1NOTEReapproval with editorial change to 1.3 in November 2015.1.Scope1.1 The purpose of this standard is to provide recommendedguidelines for the proper installation of articulating concreteblock(ACB)revetment systems.1.2 This practice offers a set of instructions for performingone or more specific operations.This document cannot replaceeducation or experience and should be used in conjunction withprofessional judgment.Not all aspects of this practice may beapplicable in all circumstances.This ASTM standard is notintended to represent or replace standard of care by whichadequacy of a given professional service must be judged,norshould this document be applied without considerations of aprojects many unique aspects.The word“standard”in the titleof this document means only that the document has beenapproved through the ASTM consensus process.1.3 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.Use of units other thaninch-pound shall not be considered non-conformance with thispractice as long as the selected parameters are met as aminimum.1.4 This standard may involve hazardous materials,operations,and equipment.This standard does not purport toaddress all of the safety concerns,if any,associated with itsuse.It is the responsibility of the user of this standard toestablish appropriate safety and health practices and deter-mine the applicability of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C33/C33M Specification for Concrete AggregatesC698 Test Methods for Chemical,Mass Spectrometric,andSpectrochemical Analysis of Nuclear-Grade Mixed Ox-ides(U,Pu)O2)3.Terminology3.1 Definitions:3.1.1 articulating concrete block(ACB)revetment system,na matrix of interconnected concrete block units for erosionprotection.Units are connected by geometric interlock,cables,ropes,geotextiles,geogrids,or a combination thereof,andtypically include a geotextile underlayment for subsoil reten-tion.4.Summary of Practice4.1 The proper installation of articulated concrete blockrevetment systems is essential to the adequate functioning andperformance of the system during the design hydrologic event.This standard provides guidelines for maximizing the corre-spondence between the design intent and the actual field-finished conditions of the project.4.2 This standard addresses the preparation of the subgrade,geotextile placement,block system placement,backfilling andfinishing,and inspection.5.Significance and Use5.1 This standard is intended for use by designers andcontractors to assist in understanding the importance of properinstallation of articulating concrete block revetment systems in1This 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 Nov.1,2015.Published November 2015.Originallyapproved in 2003.Last previous edition approved in 2010 as D688403(2010).DOI:10.1520/D6884-03R15E01.2For 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 States1 order to achieve suitable hydraulic performance and maintainstability against the erosive force of flowing water.5.2 An articulating concrete block system is comprised of amatrix of individual concrete blocks placed together to form anerosion-resistant overlay with specific hydraulic performancecharacteristics.The system includes a geotextile underlaycompatible with the subsoil that allows hydraulic infiltrationand exfiltration to occur while providing particle retention.Theblocks within the matrix shall be dense and durable and thematrix shall be flexible and porous.5.3 Articulating concrete block systems are used to provideerosion protection to underlying soil materials from the forcesof flowing water.The term“articulating,”as used in thisstandard,implies the ability of individual blocks of the systemto conform to changes in the subgrade while remaininginterconnected by virtue of block interlock and/or additionalsystem components such as cables,ropes,geotextiles,orgeogrids.5.4 The definition of articulating concrete block