Page 181 - Trenchless Technology Piping Installation and Inspection
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Plastic outer shell  Concrete core







                                                        Exterior collar  Plastic inside liner & collar
                                                                Compression  rein







           Cross Section                                       Steel  reinforcement







                           Compression type rubber gasket joints with internal bell and spigot
                               for use with pipes meeting the loading requirements of ASTM C14,
                                                   joint that will pass a 72 psi test for “high pressure” performance
                             with the gasket and joint meeting ASTM C443 or C361. Intended
              Mastic filled tongue and groove joints (ASTM C990) for low head
                                                 RCP manufacturers can make an “all concrete” rubber gasketed
                                           use with ASTM C361. C361, Sec. 8.1, permits (3) joint material
                                               and concrete spigots, or be formed entirely of concrete.” Most
                                        Steel end ring joint. This is a high pressure joint, intended for
                                             combinations, “Joints shall utilize steel joint rings, steel bells
                                                         PipeForm™ joint. This proprietary product is a concrete-PVC
                                                           composite, used in pipe jacking and microtunneling.






                                                                             Concrete Pipe Joints







           Joint Type  applications.  C76, and C655.  category.              TABLE 4.6






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