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Evaluation of Pond Ash Suitability Through Dynamic Cone Penetration Studies
This research paper presents a comprehensive investigation into the suitability of pond ash material for flexible pavement subbases. Extensive laboratory tests, including compaction, and CBR tests were conducted to evaluate the strength characteristics of pond ash. Based on the results of the laboratory testing, the ideal conditions of pond ash compaction parameters are 33.36% moisture and 1.1 g/cc dry density. The saturated CBR value was determined to be 16.67%. Moreover, a 15-cm laboratory CBR mould was used to perform the dynamic cone penetration tests with hammers weighing 4.6 and 8 kg. Further dynamic cone penetration tests in a 60-cm cylindrical mould at 150 mm and 200 mm depths showed that the 8-kg hammer was adequate for large-scale modelling research. These studies determined the minimal subbase thickness and the depth at which soaked CBR values matched laboratory-soaked CBR values. This study uses laboratory and advanced DCPT correlations to better understand pond ash’s subbase performance and flexible pavement applications, and also by correlating laboratory and DCPT data, the engineers better assess the pond ash performance in road construction and design flexible pavements using pond ash subbases.
Evaluation of Pond Ash Suitability Through Dynamic Cone Penetration Studies
This research paper presents a comprehensive investigation into the suitability of pond ash material for flexible pavement subbases. Extensive laboratory tests, including compaction, and CBR tests were conducted to evaluate the strength characteristics of pond ash. Based on the results of the laboratory testing, the ideal conditions of pond ash compaction parameters are 33.36% moisture and 1.1 g/cc dry density. The saturated CBR value was determined to be 16.67%. Moreover, a 15-cm laboratory CBR mould was used to perform the dynamic cone penetration tests with hammers weighing 4.6 and 8 kg. Further dynamic cone penetration tests in a 60-cm cylindrical mould at 150 mm and 200 mm depths showed that the 8-kg hammer was adequate for large-scale modelling research. These studies determined the minimal subbase thickness and the depth at which soaked CBR values matched laboratory-soaked CBR values. This study uses laboratory and advanced DCPT correlations to better understand pond ash’s subbase performance and flexible pavement applications, and also by correlating laboratory and DCPT data, the engineers better assess the pond ash performance in road construction and design flexible pavements using pond ash subbases.
Evaluation of Pond Ash Suitability Through Dynamic Cone Penetration Studies
Transp. Infrastruct. Geotech.
Venkateswararao, T. (author) / Heeralal, M. (author) / Alisha, Shaik Subhan (author)
2025-01-01
Article (Journal)
Electronic Resource
English
Evaluation of Pond Ash Suitability Through Dynamic Cone Penetration Studies
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