CSA B184 SERIES-2011 Polymeric subsurface stormwater management structures (First Edition Update No 1 May 2012 Update No 2 December 2014).pdf

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1、B184 Series-11Polymeric subsurface stormwater management structuresLegal Notice for StandardsCanadian Standards Association (CSA) standards are developed through a consensus standards development process approved by the Standards Council of Canada. This process brings together volunteers representin

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15、 in PDF format. Limited copies of this document in print or paper form may be distributed only to persons who are authorized by CSA to have such copies, and only if this Legal Notice appears on each such copy.In addition, users may not and may not permit others to.alter this document in any way or r

16、emove this Legal Notice from the attached standard;.sell this document without authorization from CSA; or.make an electronic copy of this document.If you do not agree with any of the terms and conditions contained in this Legal Notice, you may not load or use this document or make any copies of the

17、contents hereof, and if you do make such copies, you are required to destroy them immediately. Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice.Update No. 2* Reissued March 2015B184 Series-11December 2014*This update has been reissued to correct error

18、s in the original update.Note: For information about the Standards Update Service or if you are missing any updates, go to shop.csa.ca or e-mail techsupportcsagroup.org.Title: Polymeric subsurface stormwater management originally published February 2011Revisions issued: Update No. 1 May 2012The foll

19、owing revisions have been formally approved and are marked by the symbol delta () in the margin on the attached replacement pages: Update your copy by inserting these revised pages.Keep the pages you remove for reference.Revised B184.0-11: Clauses 2 and 7.2.2.6.2 and Figure 4B184.1-11: Clauses 4.1,

20、4.3, 6.2, and 7B184.2-11: Table 1New B184.1-11: Clause 5.4 and Table 1Deleted None 2014 CSA GroupDecember 2014 Reissued March 2015CSA (Canadian Standards Association)CAN/CSA-S6-06Canadian Highway Bridge Design CodeAASHTO (American Association of State Highway and Transportation Officials)LRFD Bridge

21、 Design Specifications, 5th ed. (2010)Standard Specifications for Transportation Materials and Methods of Sampling and Testing, 13th ed. (2010)ASTM International (American Society for Testing and Materials)D618-08Standard Practice for Conditioning Plastics for TestingD638-10Standard Test Method for

22、Tensile Properties of PlasticsD695-10Standard Test Method for Compressive Properties of Rigid PlasticsD746-07Standard Test Method for Brittleness Temperature of Plastics and Elastomers by ImpactD790-10Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrica

23、l Insulating MaterialsD1600-08Standard Terminology for Abbreviated Terms Relating to PlasticsD2990-09Standard Test Methods for Tensile, Compressive, and Flexural Creep and Creep-Rupture of PlasticsD3350-12e1Standard Specification for Polyethylene Plastics Pipe and Fittings MaterialsD4101-11Standard

24、Specification for Polypropylene Injection and Extrusion MaterialsD4703-10aStandard Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets D6992-03 (2009)Standard Test Method for Accelerated Tensile Creep and Creep-Rupture of Geosynthetic Materials Based on T

25、ime-Temperature Superposition Using the Stepped Isothermal MethodE177-10Standard Practice for Use of the Terms Precision and Bias in ASTM Test MethodsF412-13Standard Terminology Relating to Plastic Piping SystemsF2136-08Standard Test Method for Notched, Constant Ligament-Stress (NCLS) Test to Determ

26、ine Slow-Crack-Growth Resistance of HDPE Resins or HDPE Corrugated Pipe5(Replaces p. 5, February 2011)General requirements and methods of testing for polymericsubsurface stormwater management structuresDecember 2014 Reissued March 2015F2418-13Standard Specification for Polypropylene (PP) Corrugated

27、Wall Stormwater Collection ChambersF2787-13Standard Practice for Structural Design of Thermoplastic Corrugated Wall Stormwater Collection ChambersNCHRP (National Cooperative Highway Research Program)Report 473 (2002)Recommended Specifications for Large-Span CulvertsReport 631 (2009)Updated Test and

28、Design Methods for Thermoplastic Drainage Pipe3 Definitions and abbreviationsNote: See ASTM F412 for other applicable definitions and ASTM D1600 for other applicable abbreviations.3.1 DefinitionsThe following definitions shall apply in the CSA B184 Series of Standards:Chamber an arch-shaped structur

29、e with an open bottom that is supported on feet and can be joined into rows that begin with and are terminated by end closures (see Figure 1).Compound a mixture of polymer(s) with other ingredients, e.g., fillers, stabilizers, plasticizers, pigments, dyes, or curing agents, that is used to manufactu

30、re stormwater structures.Corrugation profile height the distance from the innermost surface of the valley to the outermost surface of the crest (see Figure 2).Cover the depth of soil from the top of a stormwater structure to grade (see Figure C.1).Detention short-term storage of stormwater for relea

31、se at a controlled rate.Embedment the material surrounding a stormwater structure from the bottom of the foundation to the bottom of the fill layer (see Figure C.1).Fill the layer from the top of the embedment to the bottom of the pavement (or to grade for unpaved installations) (see Figure C.1).Fou

32、ndation the layer from the subgrade up to the base of a stormwater structure (see Figure C.1).Grade elevation of the final surface above a stormwater structure (see Figure C.1).Infiltration the process by which water enters the soil.Inspection port an opening in a stormwater structure used to provid

33、e access for inspection.Installer an individual or organization responsible for site preparation and installation of a stormwater management system.Local buckling instability or distortion in one or more elements of a profile wall section resulting from compressive load.Note: When advanced local buc

34、kling occurs, it can result in failure of the entire profile.Manifold a part of a stormwater management system that conveys water to or from a series of stormwater structures.Manufacturer an individual or organization responsible for the design and production of stormwater structures.(Replaces p. 6,

35、 February 2011)6B184.0-11 2014 CSA Group 2014 CSA GroupDecember 2014 Reissued March 20156.4 Ultraviolet radiation protectionMaterials used in the manufacture of stormwater structures that are sensitive to ultraviolet (UV) exposure or have no natural resistance to UV exposure shall have UV protection

36、. The level of protection for UV exposure shall be determined by the manufacturer but shall not be less than six months or the expected storage period before installation, whichever is longer.6.5 CreepPolymeric compounds shall be tested to determine the 50-year creep rupture strength and 50-year cre

37、ep modulus in accordance with the test methods specified in Clause 5.2 of CSA B184.1 and Clause 5.2 of CSA B184.2.6.6 Brittleness temperatureThe brittleness temperature of compounds shall be determined in accordance with ASTM D746.7 Test methods and performance requirementsNote: The test methods spe

38、cified in this Clause apply to stormwater structure original qualification testing and do not necessarily represent required methods for production quality control of critical characteristics.7.1 ConditioningUnless otherwise specified in CSA B184.1 or CSA B184.2, as applicable, specimens shall be co

39、nditioned before testing at 23 2 C (73 4F) and 50 5% relative humidity for not less than 4 h in accordance with Procedure A of ASTM D618.7.2 Physical and mechanical properties of stormwater structures7.2.1 Volume verificationThe volume of stormwater structures shall be measured using solids modellin

40、g software, with a precision of 2%. Alternatively, actual physical methods may be used.7.2.2 Chambers7.2.2.1 Wall thicknessAt least two sets of measurements shall be taken along the longitudinal axis of the chamber, and each set shall include at least eight readings evenly spaced around the circumfe

41、rence of the chamber. At each circumferential position, four measurements shall be taken across the corrugation profile, i.e., one at the valley, one at the crest, and one at each web (see Figure 2).The minimum and average thickness for each set of measurements shall be recorded.Where gas assist flo

42、w channels create void spaces within the wall, the void spaces shall be excluded from the wall thickness.7.2.2.2 Foot widthThe width of the feet of chambers (see Figure 1) shall be measured by taking three measurements on each foot, i.e., one at each end of the chamber and one at mid-length. The min

43、imum and average width for each foot shall be recorded.7.2.2.3 RiseThe rise of a chamber shall be measured by placing the chamber on a flat, level surface and subjecting it to no loads except its own weight. The maximum vertical distance from the floor to the inside face of the valley at the chamber

44、 crown (see Figure 1) shall be measured at three locations, i.e., one at each end of the chamber and one at mid-length. The average of the three measurements shall be recorded.13(Replaces p. 13, February 2011)General requirements and methods of testing for polymericsubsurface stormwater management s

45、tructuresDecember 2014 Reissued March 20157.2.2.4 SpanThe span shall be measured by placing the chamber on a flat, level surface and subjecting it to no loads except its own weight. The horizontal dimension from the inside surface of the valley across the chamber width to the opposing inside valley

46、surface at the chamber foot (see Figure 1) shall be measured at three locations, i.e., one at each end of the chamber and one at mid-length. The average of the three measurements shall be recorded.7.2.2.5 Deviation from straightnessDeviation from straightness shall be measured by placing the chamber

47、 on a flat, level surface and subjecting it to no loads except its own weight. Deviation from straightness shall be measured at three locations, i.e., vertical deviation along the chamber crown and horizontal deviation along each foot (see Figure 3). The maximum deviation from the straight line at a

48、ny point along the chamber length shall be recorded.7.2.2.6 Arch stiffness constant (ASC) for chambers7.2.2.6.1 PerformanceThe minimum stiffness of the chambers shall allow for installation within the manufacturers specified range of installation temperatures. The ASC shall be determined in accordan

49、ce with Clause 4.2.2.6.2.Notes: (1) Lower ASC values indicate greater sensitivity to distortion during backfilling.(2) The minimum ASC values for PP chambers are specified in Table 1 of CSA B184.2.7.2.2.6.2 Arch stiffness constant test methodThe ASC shall be determined in accordance with ASTM F2418, except that the length of the specimen shall be two periods minimum (see Figures 2 and 4).The ASC shall be calculated as follows:ASC = F / (y L)whereF = plate load to cause 2% vertical deflection, kN (lb)y = deflection,