1、Designation:C1479M16Standard Practice forInstallation of Precast Concrete Sewer,Storm Drain,andCulvert Pipe Using Standard Installations(Metric)1This standard is issued under the fixed designation C1479M;the number immediately following the designation indicates the year oforiginal adoption or,in th
2、e 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 concretepipe intended to be used for the co
3、nveyance of sewage,industrial wastes,and storm water,and for the construction ofculverts.1.2 This practice is the SI companion to Practice C1479.1.3 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
4、 to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2C822 Terminology Relating to Concrete Pipe and RelatedProductsC1417 Specification for Manufacture of Reinforced Con-crete Sewer,Sto
5、rm Drain,and Culvert Pipe for DirectDesignC1479 Practice for Installation of Precast Concrete Sewer,Storm Drain,and Culvert Pipe Using Standard Installa-tionsD698 Test Methods for Laboratory Compaction Character-istics of Soil Using Standard Effort(12,400 ft-lbf/ft3(600kN-m/m3)D1557 Test Methods for
6、 Laboratory Compaction Character-istics of Soil Using Modified Effort(56,000 ft-lbf/ft3(2,700 kN-m/m3)D2487 Practice for Classification of Soils for EngineeringPurposes(Unified Soil Classification System)D2488 Practice for Description and Identification of Soils(Visual-Manual Procedure)IEEE/ASTM SI
7、10 Standard for Use of the InternationalSystem of Units(SI):The Modern Metric System2.2 AASHTO Standards:3Standard Specifications for Highway BridgesM 145 Classification of Soils and SoilAggregate Mixturesfor Highway Construction PurposesT 99 The Moisture-Density Relations of Soils Using a 5.5-lb(2.
8、5-kg)Rammer and a 12-in.(305-mm)DropT 180 The Moisture-Density Relations of Soils Using a10-lb(4.54-kg)Rammer and an 18-in.(457-mm)DropT 310 In-Place Density and Moisture Content of Soil andSoil-Aggregate by Nuclear Methods(Shallow Depth)2.3 ASCE Standard:4ASCE 15 Standard Practice for the Direct De
9、sign of BuriedPrecast Reinforced Concrete Pipe Using Standard Instal-lations(SIDD)3.Terminology3.1 For definitions of terms relating to concrete pipe,seeTerminology C822.3.2 For terminology related to soil classifications,see Prac-tices D2487 and D2488.3.3 For terminology and definitions of terms re
10、lating tostructural design,see ASCE 15.3.4 Fig.1 illustrates the definitions and limits of the terms:foundation,subgrade,bedding,outer bedding,middle bedding,haunch,lower side,backfill or overfill,invert,crown,springline,top of pipe,and bottom of pipe as used in thispractice.4.Significance and Use4.
11、1 This practice is useful as a reference by an owner andthe owners engineer in preparing project specifications.1This 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 Oct.15,2
12、016.Published October 2016.Originallyapproved in 2007.Last previous edition approved in 2013 as C1479M-13.DOI:10.1520/C1479M-16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,re
13、fer to the standards Document Summary page onthe ASTM website.3Available from American Association of State Highway and TransportationOfficials(AASHTO),444 N.Capitol St.,NW,Suite 249,Washington,DC 20001,http:/www.transportation.org.4Available from American Society of Civil Engineers(ASCE),1801 Alexa
14、nderBell Dr.,Reston,VA 20191,http:/www.asce.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.NotationsDi=inside diameter of pipe,mm.Do=outside diameter of pipe,mm.H=design height of earth above top of pipe,m.w=unit weight of soil,N/m
15、3.6.Standard Installations6.1 The precast concrete pipe/soil system shall be con-structed to conform to the requirements of Figs.2 and 3 andTables 1 and 2 as designated on the plans.7.Excavation7.1 When rock or other unyielding foundation material isencountered,it shall be removed at least to the re
16、quirementsshown in Figs.2 and 3 and Tables 1 and 2.Overexcavatedareas shall be backfilled with approved materials and com-pacted to at least the standard proctor density specified for thebedding.7.2 Where surface water or groundwater conditions exist,the site and trench shall be dewatered.8.Foundation8.1 The foundation shall be moderately firm to hard in situsoil,stabilized soil,or compacted fill material.8.2 When unsuitable or unstable material is encountered,the foundation shall be stabilized.
