1、Designation:B790/B790M16Standard Practice forStructural Design of Corrugated Aluminum Pipe,Pipe-Arches,and Arches for Culverts,Storm Sewers,and OtherBuried Conduits1This standard is issued under the fixed designation B790/B790M;the number immediately following the designation indicates the yearof or
2、iginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This practice is intended for the structural design ofcorrugated a
3、luminum pipe and pipe-arches,and aluminumstructural plate pipe,pipe-arches,and arches for use as culvertsand storm sewers and other buried conduits.This practice is forpipe installed in a trench or embankment and subjected tohighway,railroad,and aircraft loadings.It must be recognizedthat a buried c
4、orrugated aluminum pipe is a composite struc-ture made up of the aluminum ring and the soil envelope,andboth elements play a vital part in the structural design of thistype of structure.1.2 Corrugated aluminum pipe and pipe-arches shall be ofannular fabrication using riveted seams,or of helical fabr
5、ica-tion having a continuous lockseam.1.3 Structural plate pipe,pipe-arches,and arches are fabri-cated in separate plates that when assembled at the job site bybolting form the required shape.1.4 This specification is applicable to design in inch-poundunits as Specification B790 or in SI units as Sp
6、ecificationB790M.Inch-pound units and SI units are not necessarilyequivalent.SI units are shown in brackets in the text for clarity,but they are the applicable values when the design is done inaccordance with Specification B790M.1.5 This standard does not purport to address all of thesafety concerns
7、,if any,associated with its use.It is theresponsibility of the user of this standard 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:2B745/B745M Specification for Corrugated Aluminu
8、m Pipefor Sewers and DrainsB746/B746M Specification for Corrugated Aluminum AlloyStructural Plate for Field-Bolted Pipe,Pipe-Arches,andArchesB788/B788M Practice for Installing Factory-Made Corru-gated Aluminum Culverts and Storm Sewer PipeB789/B789M Practice for Installing Corrugated AluminumStructu
9、ral Plate Pipe for Culverts and SewersB864/B864M Specification for Corrugated Aluminum BoxCulvertsD698 Test Methods for Laboratory Compaction Character-istics of Soil Using Standard Effort(12,400 ft-lbf/ft3(600kN-m/m3)D1556 Test Method for Density and Unit Weight of Soil inPlace by Sand-Cone MethodD
10、2167 Test Method for Density and Unit Weight of Soil inPlace by the Rubber Balloon MethodD2487 Practice for Classification of Soils for EngineeringPurposes(Unified Soil Classification System)D2937 Test Method for Density of Soil in Place by theDrive-Cylinder MethodD6938 Test Methods for In-Place Den
11、sity and Water Contentof Soil and Soil-Aggregate by Nuclear Methods(ShallowDepth)1This practice is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.08 onCorrugated Aluminum Pipe and Corrugated Aluminum Structural Plate.Curren
12、t edition approved Nov.1,2016.Published December 2016.Originallyapproved in 1990.Last previous edition approved in 2011 as B790/B790M 11.DOI:10.1520/B0790_B0790M-16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book o
13、f ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.2 FAA Standards:3AC No.1
14、50/5320-5D Advisory Circular,“Airport DrainageDesign”Department of Transportation,Federal AviationAdministration2.3 AASHTO Standards:4LRFD Bridge Design SpecificationsLRFD Bridge Construction Specifications2.4 Other Standards:5American Railway Engineering and Maintenance-Of-WayAssociation(AREMA)Guid
15、elines3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 arch,na pipe shape that is supported on footings anddoes not have a full metal invert.3.1.2 bedding,nthe earth or other material on which thepipe is laid consist of a thin layer of important material on topof the in-situ fou
16、ndation.3.1.3 haunch,nthe portion of the pipe cross sectionbetween the maximum horizontal dimension and the top of thebedding.3.1.4 invert,nthe lowest portion of the pipe cross section;also,the bottom portion of the pipe.3.1.5 pipe,na conduit having a full circular shape or,in ageneral contex,all structure shapes covered by this practice.3.1.6 pipe-arch,na pipe shape consisting of an approxi-mate semicircular top portion,small radius corners,and largeradius invert.3.1.7 long span structures,nspe
