1、Designation:C167711a(Reapproved 2017)Standard Specification forJoints for Concrete Box,Using Rubber Gaskets1This standard is issued under the fixed designation C1677;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last re
2、vision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers flexible joints for concrete boxsections,using rubber gaskets for leak resistant joints.Thespecification
3、 covers the design of joints and the requirementsfor rubber gaskets to be used therewith,for boxes conformingin all other respects to Specification C1433 or C1577,providedthat if there is conflict in permissible variations in dimensionsthe requirements of this specification for joints shall govern.1
4、.2 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.1.3 This international standard was developed in accor-dance with internationally recog
5、nized 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:2C497 Test Methods for Con
6、crete Pipe,Manhole Sections,orTileC822 Terminology Relating to Concrete Pipe and RelatedProductsC1433 Specification for Precast Reinforced Concrete Mono-lithic Box Sections for Culverts,Storm Drains,andSewersC1577 Specification for Precast Reinforced Concrete Mono-lithic Box Sections for Culverts,St
7、orm Drains,andSewers Designed According to AASHTO LRFDC1619 Specification for Elastomeric Seals for Joining Con-crete Structures3.Terminology3.1 DefinitionsFor definitions of terms relating to concretepipe,see Terminology C822.4.Basis of Acceptance4.1 The acceptability of the box joints and gaskets
8、shall bedetermined by the results of the physical test prescribed in thisspecification,if and when required,and by inspection todetermine whether the box joints and gaskets conform to thisspecification as to design and freedom from defects.5.Materials and Manufacture for Gaskets5.1 The gasket shall
9、be fabricated from a rubber compound.The basic polymer shall be natural rubber,synthetic rubber,ora blend of both meeting the physical requirements prescribed inSpecification C1619.5.1.1 Gaskets for standard use shall meet Class C require-ments.Gaskets which require oil resistant properties shall me
10、etClass D requirements.5.2 Circular Cross-Section Gaskets:5.2.1 Circular cross-section gaskets shall be extruded ormolded to the specified size within a tolerance of 6164in.(60.4 mm)or 61.5%of the cord diameter,whichever islarger.5.2.2 Circular cross-section gaskets shall have the nominaldesign cut
11、length tolerance of 63%for extruded and splicedgaskets.5.3 Non-Circular Cross-Section Gaskets:5.3.1 Non-circular cross-section gaskets shall be extrudedor molded to the design size within a tolerance of 6164in.(60.4 mm)or 63.0%on any dimension,measured at anycross section,whichever is larger.5.3.2 N
12、on-circular cross-section gaskets shall have thenominal design cut length tolerance of 63%for extruded andspliced gaskets.6.Design of Joints6.1 The manufacturer shall furnish the owner with thedetailed design of the joint or joints including design anddurometer hardness of the rubber gasket proposed
13、 to befurnished under this specification.1This specification is under the jurisdiction of ASTM Committee C13 onConcrete Pipe and is the direct responsibility of Subcommittee C13.08 on Joints forPrecast Concrete Structures.Current edition approved Sept.1,2017.Published September 2017.Originallyapprov
14、ed in 2009.Last previous edition approved in 2011 as C1677 11a.DOI:10.1520/C1677-11AR17.2For 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 pa
15、ge 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 theDev
16、elopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 6.1.1 The joint design shall consist of a bell or groove onone end of a unit of box,and a spigot or tongue on the adjacentend of the joining box.6.1.2 All surfaces of the joint upon or against which thegasket is capable of bearing shall be smooth,free of spalls,cracks or fractures,and imperfections that would adverselyaffect the performance of the join
