Piezometers: Difference between revisions
From ASDSO Dam Safety Toolbox
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[[Category:Seepage Surveillance and Monitoring]] | [[Category:Seepage Surveillance and Monitoring]] | ||
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:“Applications for piezometers fall into two general categories – to monitor the pattern of water flow and to provide an index of soil strength. (a) Examples in the first category include determining [[groundwater]] conditions before [[construction]], monitoring seepage pressure distribution, and determining the effectiveness of drains, [[relief wells]], and seepage barriers. (b) In the second category, measuring porewater pressure permits an estimation of effective stress and soil strength. Examples include monitoring the dissipation of porewater pressure during consolidation of a foundation and embankment fill or following the rapid drawdown of a reservoir pool”.<ref name="EM 1110-2-1908">[[Instrumentation of Embankment Dams and Levees (EM 1110-2-1908) | EM 1110-2-1908 Instrumentation of Embankment Dams and Levees, USACE, 2020]]</ref> | :“Applications for piezometers fall into two general categories – to monitor the pattern of water flow and to provide an index of soil strength. (a) Examples in the first category include determining [[groundwater]] conditions before [[construction]], monitoring seepage pressure distribution, and determining the effectiveness of drains, [[Relief Wells|relief wells]], and seepage barriers. (b) In the second category, measuring porewater pressure permits an estimation of effective stress and soil strength. Examples include monitoring the dissipation of porewater pressure during consolidation of a foundation and embankment fill or following the rapid drawdown of a reservoir pool”.<ref name="EM 1110-2-1908">[[Instrumentation of Embankment Dams and Levees (EM 1110-2-1908) | EM 1110-2-1908 Instrumentation of Embankment Dams and Levees, USACE, 2020]]</ref> | ||
==Trainings== | ==Trainings== | ||
Revision as of 23:49, 5 December 2022
- “Applications for piezometers fall into two general categories – to monitor the pattern of water flow and to provide an index of soil strength. (a) Examples in the first category include determining groundwater conditions before construction, monitoring seepage pressure distribution, and determining the effectiveness of drains, relief wells, and seepage barriers. (b) In the second category, measuring porewater pressure permits an estimation of effective stress and soil strength. Examples include monitoring the dissipation of porewater pressure during consolidation of a foundation and embankment fill or following the rapid drawdown of a reservoir pool”.[1]
Trainings
On-Demand Webinar: Relearning How to Look at Piezometric Data for Seepage Evaluation
Revision ID: 4938
Revision Date: 12/05/2022