1、Designation:B789/B789M16Standard Practice forInstalling Corrugated Aluminum Structural Plate Pipe forCulverts and Sewers1This standard is issued under the fixed designation B789/B789M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,t
2、he 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 covers procedures,soils,and soil place-ment for the proper installation of corrugated aluminumst
3、ructural plate culverts and sewers in either trench or embank-ment installations.Atypical trench installation is shown in Fig.1,and a typical embankment(projection)installation is shownin Fig.2.Structural plate structures as described herein arethose structures factory fabricated in plate form and b
4、oltedtogether on site to provide the required shape,size,and lengthof structure.This practice applies to structures designed inaccordance with Practice B790/B790M.1.2 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard.Within the text,theSI units are sho
5、wn in brackets.The values stated in eachsystem are not exact equivalents;therefore,each system shallbe used independently of the other.Combining values from thetwo systems may result in nonconformance with the standard.1.3 This standard does not purport to address all of thesafety concerns,if any,as
6、sociated 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:2B746/B746M Specification for Corrugated Aluminum AlloyStr
7、uctural Plate for Field-Bolted Pipe,Pipe-Arches,andArchesB790/B790M Practice for Structural Design of CorrugatedAluminum Pipe,Pipe-Arches,and Arches for Culverts,Storm Sewers,and Other Buried ConduitsD698 Test Methods for Laboratory Compaction Character-istics of Soil Using Standard Effort(12,400 ft
8、-lbf/ft3(600kN-m/m3)D1556 Test Method for Density and Unit Weight of Soil inPlace by Sand-Cone MethodD1557 Test Methods for Laboratory Compaction Character-istics of Soil Using Modified Effort(56,000 ft-lbf/ft3(2,700 kN-m/m3)D2167 Test Method for Density and Unit Weight of Soil inPlace by the Rubber
9、 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 Density and Water Contentof Soil and Soil-Aggregate by Nuclear Methods(Shallo
10、wDepth)3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 arch,nsegment of a circular shape spanning an openinvert between the footings on which it rests.3.1.2 bedding,nearth or other material on which a pipe issupported.3.1.3 haunch,nportion of the pipe cross section betweenthe m
11、aximum horizontal dimension and the top of the bedding.3.1.4 invert,nlowest point on the pipe cross section;also,the bottom portion of a pipe.3.1.5 pipe,nconduit having a full circular shape;also,ina general context,all structure shapes covered by this specifi-cation.3.1.6 pipe-arch,npipe with an ap
12、proximate semicircularcrown,small-radius corners,and large-radius invert.3.1.7 underpass,npipe with an approximate semicircularcrown,large-radius sides,small-radius corners between sidesand invert,and large-radius invert.4.Significance and Use4.1 Corrugated aluminum structural plate pipe functionsst
13、ructurally as a flexible ring that is supported by and interactswith the compacted surrounding soil.The soil placed aroundthe structure is thus an integral part of the structural system.It1This practice is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct respo
14、nsibility of Subcommittee B07.08 onCorrugated Aluminum Pipe and Corrugated Aluminum Structural Plate.Current edition approved May 1,2016.Published May 2016.Originallyapproved in 1988.Last previous edition approved in 2011 as B789/B789M 99(2011).DOI:10.1520/B0789_B0789M-16.2For referenced ASTM standa
15、rds,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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International
16、,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 is therefore important to ensure that the soil structure is madeup of the acceptable material and well-constructed.Fieldverification of soil structure acceptability using Test MethodsD1556,D2167,D6938,or D2937,as applicable,and compar-ing the results with Test Methods D698 or D1557,in accor-dance with the specifications for each project,is the mostreliable basis for installation of an acceptable structure.Therequir
