1、Designation:C167517aStandard Practice forInstallation of Precast Reinforced Concrete Monolithic BoxSections for Culverts,Storm Drains,and Sewers1This standard is issued under the fixed designation C1675;the number immediately following the designation indicates the year oforiginal adoption or,in the
2、 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.1.Scope1.1 This practice covers the installation of precast rein-forced concrete box sections cast monol
3、ithically and intendedto be used for the conveyance of storm water,industrial wastesand sewage,and for passageways.1.2 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
4、 are not considered standard.1.3 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 Organ
5、ization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C822 Terminology Relating to Concrete Pipe and RelatedProductsC1433 Specification for Precast Reinforced Concrete Mono-lithic Box Sections for Culverts,Storm Drains,andSewersC1433M Specification for Precast Re
6、inforced ConcreteMonolithic Box Sections for Culverts,Storm Drains,andSewers(Metric)C1577 Specification for Precast Reinforced Concrete Mono-lithic Box Sections for Culverts,Storm Drains,andSewers Designed According to AASHTO LRFDD698 Test Methods for Laboratory Compaction Character-istics of Soil U
7、sing Standard Effort(12,400 ft-lbf/ft3(600kN-m/m3)D2487 Practice for Classification of Soils for EngineeringPurposes(Unified Soil Classification System)2.2 ASCE Standard:3ASCE 26 Standard Practice for the Direct Design of BuriedPrecast Concrete Box Sections2.3 AASHTO Standards:4AASHTO Standard Speci
8、fications for Highway Bridges,Div.II,Section 27AASHTO LRFD Bridge Construction Specifications,Sec-tion 27AASHTO LRFD Bridge Design SpecificationsAASHTO M145 Classification of Soils and Soil-AggregateMixtures for Highway Construction Purposes3.Terminology3.1 For definitions of terms relating to preca
9、st box sections,see Terminology C822.3.2 For terminology related to soil classifications,see Prac-tice D2487.3.3 For terminology and definitions of terms relating tostructural design,see ASCE 26.3.4 Fig.1 illustrates the installation terminology.4.Significance and Use4.1 This practice is useful as a
10、 reference by an owner andthe owners engineer in preparing project specifications.5.General5.1 The precast reinforced concrete box section/soil systemshall be constructed to conform to the dimensions and require-ments specified or shown on the plans and to this practice.Additionally,for highway proj
11、ects,the precast reinforcedconcrete box section/soil system shall conform to requirements1This practice is under the jurisdiction of ASTM Committee C13 on ConcretePipe and is the direct responsibility of Subcommittee C13.05 on Special Projects.Current edition approved July 1,2017.Published August 20
12、17.Originallyapproved in 2011.Last previous edition approved in 2017 as C1675 17.DOI:10.1520/C167517A.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 Docum
13、ent Summary page onthe ASTM website.3Available from American Society of Civil Engineers(ASCE),1801 AlexanderBell Dr.,Reston,VA 20191,http:/www.asce.org.4Available from American Association of State Highway and TransportationOfficials(AASHTO),444 N.Capitol St.,NW,Suite 249,Washington,DC 20001,http:/w
14、ww.transportation.org.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
15、elopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 of Section 27 of AASHTO Standard Specifications for High-way Bridges or AASHTO LRFD Bridge Construction Speci-fications as appropriate.The owner is advise
16、d to provide orrequire adequate inspection of the box section installation atthe construction site.6.Excavation6.1 Trenches shall be excavated to the dimensions and gradespecified on the plans or as ordered by the owner.The width oftrenches shall be kept to the minimum required for installationof the box sections and proper compaction of the sidefill.6.2 When ledge rock,compacted rocky,or other unyieldingfoundation material is encountered,it shall be removed to therequirements shown on the plans