1、Designation:C76M13C76M13a Standard Specication for Reinforced Concrete Culvert, Storm Drain, and Sewer Pipe (Metric) 1 This standard is issued under the xed designation C76M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the yea
2、r of last revision.Anumber in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense. 1. Scope 1.1 This specication covers reinfor
3、ced concrete pipe intended to be used for the conveyance of sewage, industrial wastes, and storm water, and for the construction of culverts. 1.2 This specication is the SI companion to Specication C76. NOTE 1This specication is a manufacturing and purchase specication only, and does not include req
4、uirements for bedding, backll, or the relationship between eld load condition and the strength classication of pipe. However, experience has shown that the successful performance of this productdependsupontheproperselectionoftheclassofpipe,typeofbeddingandbackll,controlledmanufactureintheplant,andca
5、reandinstallation conforms to the construction specications. The owner of the reinforced concrete pipe specied herein is cautioned that he must correlate the eld requirements with the class of pipe specied and provide inspection at the construction site. NOTE 2Attention is called to the specication
6、for reinforced concrete D-load culvert, storm drain, and sewer pipe (ASTM Designation C655M). 2. Referenced Documents 2.1 ASTM Standards: 2 A36/A36MSpecication for Carbon Structural Steel A615/A615MSpecication for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement A706/A706MSpecication
7、for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement A1064/A1064MSpecication for Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete C33Specication for Concrete Aggregates C150Specication for Portland Cement C260Specication for Air-Entraining Admixture
8、s for Concrete C309Specication for Liquid Membrane-Forming Compounds for Curing Concrete C494/C494MSpecication for Chemical Admixtures for Concrete C497MTest Methods for Concrete Pipe, Manhole Sections, or Tile (Metric) C595Specication for Blended Hydraulic Cements C618Specication for Coal Fly Ash a
9、nd Raw or Calcined Natural Pozzolan for Use in Concrete C655MSpecication for Reinforced Concrete D-Load Culvert, Storm Drain, and Sewer Pipe (Metric) C822Terminology Relating to Concrete Pipe and Related Products C989Specication for Slag Cement for Use in Concrete and Mortars C1017/C1017MSpecication
10、 for Chemical Admixtures for Use in Producing Flowing Concrete C1116Specication for Fiber-Reinforced Concrete and Shotcrete 3. Terminology 3.1 DenitionsFor denitions of terms relating to concrete pipe, see Terminology C822. 4. Classication 4.1 Pipemanufacturedinaccordancewiththisspecicationshallbeof
11、veclassesidentiedasClassI,ClassII,ClassIII,Class IV, and Class V. The corresponding strength requirements are prescribed in Tables 1-5. 1 This specication is under the jurisdiction of ASTM Committee C13 on Concrete Pipe and is the direct responsibility of Subcommittee C13.02 on Reinforced Sewer and
12、Culvert Pipe. Current edition approved Jan. 15, 2013March 1, 2013. Published February 2013March 2013. Originally approved in 1980. Last previous edition approved in 20122013 as C76M12C76M13.A. DOI: 10.1520/C0076M-13.10.1520/C0076M-13A. 2 ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,or
13、contactASTMCustomerServiceatserviceastm.org.ForAnnualBookofASTMStandards volume information, refer to the standards Document Summary page on the ASTM website. This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made
14、 to the previous version. Because it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version of the standard as published by ASTM is to be considered the official document. Co
15、pyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States 1NOTE 1The total reinforcement area of the inner circular cage and the elliptical cage shall not be less than that specied for the inner cage in Tables 1-5. NOTE 2The total reinforcement a
16、rea of the outer circular cage and the elliptical cage shall not be less than that specied for the outer cage in Tables 1-5. FIG. 1Triple Cage Reinforcement TABLE 1 Design Requirements for Class I Reinforced Concrete Pipe A NOTE 1See Section 5 for basis of acceptance specied by owner. The strength t
17、est requirements in newtons per linear metre of pipe under the three-edge-bearing method shall be either the D-load (test load expressed in newtons per linear metre per millimetre of diameter) to produce the 0.3-mm crack, or the D-loads to produce the 0.3-mm crack and the ultimate load as specied be
18、low, multiplied by the internal diameter of the pipe in millimetres. D-load to produce a 0.3 mm crack 40.0 D-load to produce the ultimate load 60.0 Internal Designated Diameter, mm Reinforcement, cm 2 /linear m of pipe wall Wall A Wall B Concrete Strength, 27.6 MPa Concrete Strength, 27.6 MPa Wall T
19、hickness, mm Circular Reinforcement B Elliptical Reinforcement C Wall Thickness, mm Circular Reinforcement B Elliptical Reinforcement C Inner Cage Outer Cage Inner Cage Outer Cage 1500 125 5.3 3.2 5.9 150 4.4 2.6 4.9 1650 138 6.4 3.8 7.0 163 5.3 3.2 5.9 1800 150 7.4 4.4 8.3 175 6.1 3.7 6.8 1950 163
20、8.5 5.1 9.3 188 6.8 4.1 7.6 2100 175 9.5 5.7 10.6 200 7.8 4.7 8.7 2250 188 10.4 6.2 11.4 213 8.7 5.2 9.7 2400 200 11.4 6.8 12.7 225 9.7 5.8 10.8 Concrete Strength, 34.5 MPa 2550 213 13.3 8.0 Inner Circular Plus Elliptical 5.3 8.0 238 11.4 6.8 Inner Circular Plus Elliptical 4.6 6.8 2700 225 14.4 8.6
21、Inner Circular Plus Elliptical 5.8 8.6 250 12.9 7.7 Inner Circular Plus Elliptical 5.2 7.7 2850 A . . . . . . . . . . . . A . . . . . . . . . . . . 3000 A . . . . . . . . . . . . A . . . . . . . . . . . . 3150 A . . . . . . . . . . . . A . . . . . . . . . . . . 3300 A . . . . . . . . . . . . A . . .
22、 . . . . . . . . . 3450 A . . . . . . . . . . . . A . . . . . . . . . . . . 3600 A . . . . . . . . . . . . A . . . . . . . . . . . . A For modied or special designs, see 7.2 or with the permission of the owner utilize the provisions of Specication C655M. Steel areas may be interpolated between those
23、shownforvariationsindiameter,loading,orwallthickness.Pipeover2400mmindiametershallhavetwocircularcagesoraninnercircularplusoneellipticalcage. B As an alternative to designs requiring both inner and outer circular cages the reinforcement may be positioned and proportioned in either of the following m
24、anners: Aninnercircularcageplusanellipticalcagesuchthattheareaoftheellipticalcageshallnotbelessthanthatspeciedfortheoutercageinthetableandthetotalarea of the inner circular cage plus the elliptical cage shall not be less than that specied for the inner cage in the table, An inner and outer cage plus
25、 quadrant mats in accordance with Fig. 2, or An inner and outer cage plus an elliptical cage in accordance with Fig. 1. C Elliptical and quadrant steel must be held in place by means of holding rods, chairs, or other positive means throughout the entire casting operation. C76M13a 25. Basis of Accept
26、ance 5.1 Unless otherwise designated by the owner at the time of, or before placing an order, there are two separate and alternative bases of acceptance. Independent of the method of acceptance, the pipe shall be designed to meet both the 0.01-in. crack and ultimate strength requirements specied in
27、Tables 1-5. 5.1.1 Acceptance on the Basis of Plant Load-Bearing Tests, Material Tests, and Inspection of Manufactured Pipe for Visual Defects and ImperfectionsAcceptability of the pipe in all diameters and classes produced in accordance with 7.1 or 7.2 shall be determined by the results of the three
28、-edge bearing tests as dened in 11.3.1; by such material tests as are required in 6.2, 6.3, 6.5 and6.6;byanabsorptiontestoftheconcretefromthewallofthepipeasrequiredin11.9;andbyvisualinspectionofthenished pipe to determine its conformance with the accepted design and its freedom from defects. 5.1.2 A
29、cceptance on the Basis of Material Test and Inspection of Manufactured Pipe for Defects and Imperfections Acceptability of the pipe in all diameters and classes produced in accordance with 7.1 or 7.2 shall be determined by the results TABLE 2 Design Requirements for Class II Reinforced Concrete Pipe
30、 A NOTE 1See Section 5 for basis of acceptance specied by owner. The strength test requirements in newtons per linear metre of pipe under the three-edge-bearing method shall be either the D-load (test-load expressed in newtons per linear metre per millimetre of diameter) to produce the 0.3-mm crack,
31、 or the D-loads to produce the 0.3-mm crack and the ultimate load as specied below, multiplied by the internal diameter of the pipe in millimetres. D-load to produce a 0.3 mm crack 50.0 D-load to produce the ultimate load 75.0 Internal Designated Diameter, mm Reinforcement, cm 2 /linear m of pipe wa
32、ll Wall A Wall B Wall C Concrete Strength, 27.6 MPa Concrete Strength, 27.6 MPa Concrete Strength, 27.6 MPa Wall Thickness, mm Circular Reinforcement B Elliptical Reinforcement C Wall Thickness, mm Circular Reinforcement B Elliptical Reinforcement C Wall Thickness, mm Circular Reinforcement B Ellipt
33、ical Reinforcement C Inner Cage Outer Cage Inner Cage Outer Cage Inner Cage Outer Cage 300 44 1.5 D . . . . . . 50 1.5 D . . . . . . 69 1.5 D . . . . . . 375 47 1.5 D . . . . . . 57 1.5 D . . . . . . 75 1.5 D . . . . . . 450 50 1.5 D . . . 1.5 63 1.5 D . . . 1.5 D 82 1.5 D . . . 1.5 D 525 57 2.5 . .
34、 . 2.1 69 1.5 D . . . 1.5 D 88 1.5 D . . . 1.5 D 600 63 2.8 . . . 2.3 75 1.5 D . . . 1.5 D 94 1.5 D . . . 1.5 D 675 66 3.2 . . . 2.8 82 2.8 . . . 2.3 100 1.5 D . . . 1.5 D 750 69 3.2 . . . 3.0 88 3.0 . . . 2.5 106 1.5 D . . . 1.5 D 825 72 3.4 . . . 3.2 94 3.2 . . . 2.8 113 1.5 D . . . 1.5 D 900 75 3
35、.0 1.8 3.2 100 E 2.5 1.5 2.8 119 E 1.5 1.5 1.7 1050 88 3.4 2.0 3.8 113 3.2 1.9 3.6 132 2.1 1.5 2.3 1200 100 4.5 2.7 4.9 125 3.8 2.3 4.2 144 3.0 1.8 3.2 1350 113 5.3 3.2 5.9 138 4.7 2.8 5.1 157 3.6 2.2 4.0 1500 125 6.4 3.8 7.0 150 5.3 3.2 5.9 169 4.7 2.8 5.1 1650 138 7.4 4.4 8.3 163 6.6 4.0 7.2 182 5
36、.3 3.2 5.9 1800 150 8.7 5.2 9.5 175 7.4 4.4 8.3 194 6.4 3.8 7.0 1950 163 9.7 5.8 10.8 188 8.5 5.1 9.3 207 7.4 4.4 8.3 2100 175 10.8 6.5 12.1 200 9.7 5.8 10.8 219 8.7 5.2 9.7 2250 188 12.1 7.3 13.3 213 10.8 6.5 12.1 232 10.2 6.1 11.2 2400 200 13.1 7.9 14.6 225 12.1 7.3 13.3 244 11.6 7.0 12.9 Concrete
37、 Strength, 34.5 MPa 2550 213 16.1 9.7 Inner Circular 6.4 238 14.4 8.6 Inner Circular 5.8 257 13.1 7.9 Inner Circular 5.2 Plus Elliptical 9.7 Plus Elliptical 8.6 Plus Elliptical 7.9 2700 225 18.0 10.8 Inner Circular 7.2 250 16.1 9.7 Inner Circular 6.4 269 14.8 8.9 Inner Circular 5.9 Plus Elliptical 1
38、0.8 Plus Elliptical 9.7 Plus Elliptical 8.9 2850 A . . . . . . . . . . . . A . . . . . . . . . . . . A . . . . . . . . . . . . 3000 A . . . . . . . . . . . . A . . . . . . . . . . . . A . . . . . . . . . . . . 3150 A . . . . . . . . . . . . A . . . . . . . . . . . . A . . . . . . . . . . . . 3300 A
39、. . . . . . . . . . . . A . . . . . . . . . . . . A . . . . . . . . . . . . 3450 A . . . . . . . . . . . . A . . . . . . . . . . . . A . . . . . . . . . . . . 3600 A . . . . . . . . . . . . A . . . . . . . . . . . . A . . . . . . . . . . . . A Formodiedorspecialdesigns,see7.2orwiththepermissionofthe
40、ownerutilizetheprovisionsofSpecicationC655M.Steelareasmaybeinterpolatedbetweenthose shown for variations in diameter, loading, or wall thickness. Pipe over 2400 mm in diameter shall have two circular cages or an inner circular plus one elliptical cage. B As an alternative to designs requiring both i
41、nner and outer circular cages the reinforcement may be positioned and proportioned in either of the following manners: Aninnercircularcageplusanellipticalcagesuchthattheareaoftheellipticalcageshallnotbelessthanthatspeciedfortheoutercageinthetableandthetotalarea of the inner circular cage plus the el
42、liptical cage shall not be less than that specied for the inner cage in the table, An inner and outer cage plus quadrant mats in accordance with Fig. 2, or An inner and outer cage plus an elliptical cage in accordance with Fig. 1. C Elliptical and quadrant steel must be held in place by means of hol
43、ding rods, chairs, or other positive means throughout the entire casting operation. D For these classes and sizes, the minimum practical steel reinforcement is specied. The specied ultimate strength of non-reinforced pipe is greater than the minimum specied strength for the equivalent diameters. E A
44、s an alternative, single cage reinforcement may be used. The reinforcement area in square centimetres per linear metre shall be 4.2 for wall B and 3.4 for wall C. C76M13a 3of such material tests as are required in 6.2, 6.3, 6.5 and 6.6; by crushing tests on concrete cores or cured concrete cylinders
45、; by an absorption test of the concrete from the wall of the pipe for each mix design that is used on an order; and by inspection of the nished pipe including amount and placement of reinforcement to determine its conformance with the accepted design and its freedom from defects. 5.1.3 When agreed u
46、pon between the owner and manufacturer, any portion or any combination of the tests itemized in 5.1.1 or 5.1.2 may form the basis of acceptance. 5.2 Age for AcceptancePipe shall be considered ready for acceptance when it conforms to the requirements as indicated by the specied tests. TABLE 3 Design
47、Requirements for Class III Reinforced Concrete Pipe A NOTE 1See Section 5 for basis of acceptance specied by owner. The strength test requirements in newtons per linear metre of pipe under the three-edge-bearing method shall be either the D-load (test-load expressed in newtons per linear metre per m
48、illimetre of diameter) to produce the 0.3-mm crack, or the D-loads to produce the 0.3-mm crack and the ultimate load as specied below, multiplied by the internal diameter of the pipe in millimetres. D-load to produce a 0.3 mm crack 65.0 D-load to produce the ultimate load 100.0 Internal Desig- nated
49、 Diameter, mm Reinforcement, cm 2 /linear m of pipe wall Wall A Wall B Wall C Concrete Strength, 27.6 MPa Concrete Strength, 27.6 MPa Concrete Strength, 27.6 MPa Wall Thickness, mm Circular Reinforcement B Elliptical Reinforcement C Wall Thickness, mm Circular Reinforcement B Elliptical Reinforcement C Wall Thickness, mm Circular Reinforcement B Elliptical Reinforcement C Inner Cage Outer Cage Inner Cage Outer Cage Inner Cage Outer Cage 300 44 1.5 D . . . . . . 50 1.5 D D . . . 69 1.5 D . . . . . . 375 47 1.5 D
