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A platform for research: civil engineering, architecture and urbanism
Preventing Joint Leakage in Pipelines Subjected to Differential Settlement
Joint design for municipal water, wastewater, and storm pipes has largely focused on satisfying index tests, without estimation of kinematic (e.g., rotation) or static (e.g., shear force) demands, and no direct evaluation of whether demands will exceed kinematic and static capacities. An overview is presented of recent studies to establish the nature and magnitude of the expected demands under differential ground movements, and to develop joint performance tests to quantify resistance capacity of the joint. Experiments on buried PVC, reinforced concrete, and vitrified clay pipes subjected to differential ground movements have been used to evaluate joint rotations and shear forces, as well as to record when leakage initiates; tests on other pipe types are planned. A joint testing apparatus from a recent project was then used to study joint leakage under combinations of shear force and joint rotation, introducing the new concept of ‘leakage envelope’. This should support work defining limits to ground movements that specific jointed pipelines can tolerate.
Preventing Joint Leakage in Pipelines Subjected to Differential Settlement
Joint design for municipal water, wastewater, and storm pipes has largely focused on satisfying index tests, without estimation of kinematic (e.g., rotation) or static (e.g., shear force) demands, and no direct evaluation of whether demands will exceed kinematic and static capacities. An overview is presented of recent studies to establish the nature and magnitude of the expected demands under differential ground movements, and to develop joint performance tests to quantify resistance capacity of the joint. Experiments on buried PVC, reinforced concrete, and vitrified clay pipes subjected to differential ground movements have been used to evaluate joint rotations and shear forces, as well as to record when leakage initiates; tests on other pipe types are planned. A joint testing apparatus from a recent project was then used to study joint leakage under combinations of shear force and joint rotation, introducing the new concept of ‘leakage envelope’. This should support work defining limits to ground movements that specific jointed pipelines can tolerate.
Preventing Joint Leakage in Pipelines Subjected to Differential Settlement
Moore, Ian D. (author)
Geo-Congress 2022 ; 2022 ; Charlotte, North Carolina
Geo-Congress 2022 ; 231-238
2022-03-17
Conference paper
Electronic Resource
English
Preventing Joint Leakage in Pipelines Subjected to Differential Settlement
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