Journal Published Online: 01 March 1991
Volume 14, Issue 1

Calibration of a Dynamic Penetrometer for Compaction Quality Control of Boiler Slag



A dynamic penetrometer was designed for the purpose of evaluating compaction quality in fills constructed with boiler slag. Laboratory and field calibration tests were conducted to study the effect of densification on dynamic penetration resistance. The effects of specimen preparation method (pluviation and impact compaction) and saturation on dynamic penetration resistance were investigated in the laboratory. A 0.91-m (3-ft)-deep test fill with dimensions of 6.1 m (20 ft) by 30.5 m (100 ft) was prepared in the field. Dynamic penetration resistance and in situ densities were recorded in this slag fill after 0, 2, 4, 6, 10, and 16 passes of a smooth drum vibratory roller of 5.6 tons (11.2 kips). The field-resistance values were compared with laboratory values. Charts are provided to aid both in selecting the lift thickness/number of roller passes and also for field assessment of densification in boiler slag using the dynamic penetrometer.

Author Information

Acar, YB
Louisiana State University, Baton Rouge, LA
Puppala, AJ
Louisiana State University, Baton Rouge, LA
Seals, RK
Institute for Recyclable Materials, Louisiana State University, Baton Rouge, LA
Pages: 8
Price: $25.00
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Stock #: GTJ10191J
ISSN: 0149-6115
DOI: 10.1520/GTJ10191J