Project Number Project Title Stage Comments
NCHRP 21-03Instrumentation for Measuring Scour at Bridge Piers and AbutmentsCompleted
NCHRP 21-04Sealing Geotechnical Exploratory Holes to Protect the Subsurface EnvironmentCompleted
NCHRP 21-05Determination of Unknown Subsurface Bridge FoundationsCompleted
NCHRP 21-05(2)Unknown Subsurface Bridge Foundation TestingCompleted
NCHRP 21-06Corrosion in the Soil Environment: Soil Resistivity and pH MeasurementsCompleted
NCHRP 21-07Development of Portable Scour Monitoring EquipmentCompletedNCHRP Report 515 Portable Scour Monitoring Equipment
NCHRP 21-08Assessment of Innovative Load Testing of Deep FoundationsCompletedNCHRP Web-Only Document 84 Innovative Load Testing Systems
NCHRP 21-09Intelligent Soil Compaction SystemsCompletedNCHRP Report 676 Intelligent Soil Compaction Systems
NCHRP 21-10Manual on Subsurface Investigations -- UpdateFinalThe Final Report is available as NCHRP Web-Only Document 258
NCHRP 21-11Improved Test Methods and Practices for Characterizing Steel Corrosion Potential of Earthen MaterialsActive