39、s into theopen-graded Class I materials. (See X1.8.)5.2.2 Class IIClass II materials, when compacted, providea relatively high level of pipe support; however, open-gradedgroups may allow migration and the sizes should be checkedfor compatibility with adjacent material. (See X1.8.)5.2....
ASTM D2321 - 11 Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity-Flow Applications - See all versionsASTM D2322 - 10 Standard Test Method for Resistance of Shoe Upper Leather to Artificial Perspiration - See all versionsASTM D2331 - 08(2013) ...
Soil Types GW, GP, SW, and SP are included in this class as specified in ASTM D2487. ASTM D-2487 Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System). Soil Materials as summarized in the following table and defined in ASTM D2321 and ASTM...
26、in no more than 10 % of othermonomeric or polymeric components plus other necessarycompounding ingredients.5.3 Rework MaterialThe manufacturer shall use only hisown clean rework pipe material conforming with these cellclass requirements. Use it only in the core layer. The pipeproduced shall meet...
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