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    Design, Analysis, and Full-Scale Testing of the Rolled Groove Gasket Joint System in AWWA C303 Bar-Wrapped, Steel-Cylinder Concrete Pressure Pipe

    Source: Journal of Pipeline Systems Engineering and Practice:;2013:;Volume ( 004 ):;issue: 003
    Author:
    Mohammad Najafi
    ,
    Guillermo Ramirez
    ,
    Richard Mielke
    ,
    Brent Keil
    ,
    Glenn Davidenko
    ,
    Shah Rahman
    ,
    Abhay Jain
    DOI: 10.1061/(ASCE)PS.1949-1204.0000133
    Publisher: American Society of Civil Engineers
    Abstract: This paper presents full-scale testing results of a 1,370-mm (54-in.) nominal diameter prototype rolled groove joint incorporated into a bar-wrapped concrete pressure pipe manufactured to American Water Works Association (AWWA) standard C303 specifications. The acceptance criteria for the prototype were no leakage or deformation at 1 MPa (150 psi) working pressure and 1.6 MPa (225 psi) transient pressure. The joint was also required to be watertight at 2 MPa (300 psi), which represented a factor of safety of 2 over working pressure. A 25.4-mm (1-in.) pull was used in the full-scale test to reflect the worst case scenario of an angularly deflected joint in the field to assess its ability to tolerate unsymmetrical fit. The test pipe was loaded in excess of its circumferential elastic limit, without any visible leakage at the joint. The three-dimensional (3D) nonlinear numerical simulation of the pipe joint was created by using software, resulting in acceptable comparisons with the experimental data. Data collection instrumentation included strain gauges, cable displacement transducers, and acoustic emissions (AE) technology. Joint design included an optimal stab depth for the spigot and appropriate rod-wrap termination design in both the bell and spigot to provide sufficient stiffness. The strain in the internal and external cement mortar layers remained below the ultimate strain of 0.2% up to 1.7 MPa (250 psi). A steel cylinder with complete-penetration helical butt welded seams, which will allow a groove to be roll-formed on the cylinder, with a minimum cylinder thickness of 3.4 mm (
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      Design, Analysis, and Full-Scale Testing of the Rolled Groove Gasket Joint System in AWWA C303 Bar-Wrapped, Steel-Cylinder Concrete Pressure Pipe

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    http://yetl.yabesh.ir/yetl1/handle/yetl/67678
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    contributor authorMohammad Najafi
    contributor authorGuillermo Ramirez
    contributor authorRichard Mielke
    contributor authorBrent Keil
    contributor authorGlenn Davidenko
    contributor authorShah Rahman
    contributor authorAbhay Jain
    date accessioned2017-05-08T21:58:08Z
    date available2017-05-08T21:58:08Z
    date copyrightAugust 2013
    date issued2013
    identifier other%28asce%29sc%2E1943-5576%2E0000026.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/67678
    description abstractThis paper presents full-scale testing results of a 1,370-mm (54-in.) nominal diameter prototype rolled groove joint incorporated into a bar-wrapped concrete pressure pipe manufactured to American Water Works Association (AWWA) standard C303 specifications. The acceptance criteria for the prototype were no leakage or deformation at 1 MPa (150 psi) working pressure and 1.6 MPa (225 psi) transient pressure. The joint was also required to be watertight at 2 MPa (300 psi), which represented a factor of safety of 2 over working pressure. A 25.4-mm (1-in.) pull was used in the full-scale test to reflect the worst case scenario of an angularly deflected joint in the field to assess its ability to tolerate unsymmetrical fit. The test pipe was loaded in excess of its circumferential elastic limit, without any visible leakage at the joint. The three-dimensional (3D) nonlinear numerical simulation of the pipe joint was created by using software, resulting in acceptable comparisons with the experimental data. Data collection instrumentation included strain gauges, cable displacement transducers, and acoustic emissions (AE) technology. Joint design included an optimal stab depth for the spigot and appropriate rod-wrap termination design in both the bell and spigot to provide sufficient stiffness. The strain in the internal and external cement mortar layers remained below the ultimate strain of 0.2% up to 1.7 MPa (250 psi). A steel cylinder with complete-penetration helical butt welded seams, which will allow a groove to be roll-formed on the cylinder, with a minimum cylinder thickness of 3.4 mm (
    publisherAmerican Society of Civil Engineers
    titleDesign, Analysis, and Full-Scale Testing of the Rolled Groove Gasket Joint System in AWWA C303 Bar-Wrapped, Steel-Cylinder Concrete Pressure Pipe
    typeJournal Paper
    journal volume4
    journal issue3
    journal titleJournal of Pipeline Systems Engineering and Practice
    identifier doi10.1061/(ASCE)PS.1949-1204.0000133
    treeJournal of Pipeline Systems Engineering and Practice:;2013:;Volume ( 004 ):;issue: 003
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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