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AASHTO T 252-09 (2013)
- Standard Method of Test for Measurements of Pore Pressures in Soils
- standard by American Association of State and Highway Transportation Officials, 2009
- Publisher: AASHTO
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The principal reasons for measuring pore pressures in highway construction are:
Interpretation of pore pressure measurements in the field are complicated by the variability both vertically and horizontally in the soils. Therefore, interpretation of any pore pressure measurement can be misleading if the complete soil profile, loading history, and detailed soil parameters are not adequately known.
- to monitor strength increases during construction,
- to estimate remaining settlements after construction, and
- to determine existing pore pressures in landslides.
Interpretation of pore pressure measurements in the field are complicated by the variability both vertically and horizontally in the soils. Therefore, interpretation of any pore pressure measurement can be misleading if the complete soil profile, loading history, and detailed soil parameters are not adequately known.