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Issue 16 (3) 2017 pp. 139-152

Andrzej Gruchot, Eugeniusz Zawisza, Sebastian Soliński

Uniwersytet Rolniczy w Krakowie

INFLUENCE OF MOISTURE CONTENT AND LOAD ON THE ASH-SLAG MIXTURE CBR RATIO (BEARING CAPACITY INDEX)

Keywords: ash-slag mixture, geotextiles, CBR ratio
Abstract:

The study aimed at the evaluation of the effect of moisture content and load on the California bearing ratio of the ash-slag mixture collected from the landfill of the combined heat and power plant “Kraków”. Determination of the bearing capacity index (CBR ratio) was performed at the load of 22 and 44 N and without load on the samples immediately after compaction and after 4 days of soaking in water. The test of the California bearing ratio of the mixture with a single geotextile insert (PPST 100) or geocomposite (geogrid ACGrid GG20-II + PPST 100 geotextile) was also carried out.

Geotechnically, the ash-slag mixture was classified as multi-fractional silty sands with gravel (grsiSa). The conducted studies have shown the significant effect of soaking up water and load on the California bearing ratio. Increase in moisture content of the mixture after four days of soaking in water was big and caused a significant reduction in the California bearing ratio. Whereas the load increase from 0 to 44 N resulted in an increase in the California bearing ratio, especially in the tests after soaking in water. The use of geosynthetic liners resulted in a reduction of the California bearing ratio both in the tests immediately after compaction and after soaking in water in relation to the mixture without the inserts.

pub/16_3_139.pdf Full text available in in Adobe Acrobat format:
http://www.formatiocircumiectus.actapol.net/volume16/issue3/16_3_139.pdf

DOI: 10.15576/ASP.FC/2017.16.3.139

For citation:

MLA Gruchot, Andrzej, et al. "INFLUENCE OF MOISTURE CONTENT AND LOAD ON THE ASH-SLAG MIXTURE CBR RATIO (BEARING CAPACITY INDEX)." Acta Sci.Pol. Form. Cir. 16.3 (2017): 139-152. http://dx.doi.org/10.15576/ASP.FC/2017.16.3.139
APA (2017). . Acta Sci.Pol. Form. Cir. 16 (3), 139-152 http://dx.doi.org/10.15576/ASP.FC/2017.16.3.139
ISO 690 GRUCHOT, Andrzej, ZAWISZA, Eugeniusz, SOLIńSKI, Sebastian. INFLUENCE OF MOISTURE CONTENT AND LOAD ON THE ASH-SLAG MIXTURE CBR RATIO (BEARING CAPACITY INDEX). Acta Sci.Pol. Form. Cir., 2017, 16.3: 139-152. http://dx.doi.org/10.15576/ASP.FC/2017.16.3.139
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Streszczenie w języku polskim:
http://www.formatiocircumiectus.actapol.net/tom16/zeszyt3/abstrakt-139.html