Recent developments for measurement and analysis of machine power response caused by changes in physical soil properties have the potential to change completely the future of earthwork construction. A technique in which a self-propelled sheepsfoot roller was used to compact cohesive soils was developed; field pilot studies were then conducted. Results from field tests using conventional testing techniques (nuclear moisture–density gauge, dynamic cone penetrometer, drive core, and Clegg impact hammer) showed strong correlations to machine power ( r2 > 0.9) when data were averaged over a 20-m test strip. These developments related to measurement and analysis of machine energy as a function of changes in physical soil properties and provide the benefit of 100% coverage combined with a differential Global Positioning System and ruggidized touchscreen computer monitor showing spatial information on cumulative number of passes and machine power output. Results can be transmitted in real time to an on-site computer for review via a wireless Internet system.


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    Titel :

    Real-Time Compaction Monitoring in Cohesive Soils from Machine Response


    Weitere Titelangaben:

    Transportation Research Record


    Beteiligte:


    Erscheinungsdatum :

    2005-01-01




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch