Prediction of the effectiveness of rolling dynamic compaction using artificial neural networks and cone penetration test data

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摘要 Rolling Dynamic Compaction (RDC)，which is a ground improvement technique involving non-circular modules drawn behind a tractor，has provided the construction industry with an improved ground compaction capability，especially with respect to a greater influence depth and a higher speed of compaction，resulting in increased productivity. However，to date，there is no reliable method to predict the effectiveness of RDC in a range of ground conditions. This paper presents a new and unique predictive tool developed by means of artificial neural networks (ANNs) that permits a priori prediction of density improvement resulting from a range of ground improvement projects that employed 4-sided RDC modules；commercially known as“impact rollers”. The strong coefficient of correlation (i.e. R＞0.86) and the parametric behavior achieved in this study indicate that the model is successful in providing reliable predictions of the effectiveness of RDC in various ground conditions.

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	R. A. T. M. Ranasinghe
	M. B. Jaksa
	F. Pooya Nejad
	Y. L. Kuo

关键词 ： soil mechanics, rolling dynamic compaction, artificial neural networks, cone penetration test, ground improvement

Abstract：Rolling Dynamic Compaction (RDC)，which is a ground improvement technique involving non-circular modules drawn behind a tractor，has provided the construction industry with an improved ground compaction capability，especially with respect to a greater influence depth and a higher speed of compaction，resulting in increased productivity. However，to date，there is no reliable method to predict the effectiveness of RDC in a range of ground conditions. This paper presents a new and unique predictive tool developed by means of artificial neural networks (ANNs) that permits a priori prediction of density improvement resulting from a range of ground improvement projects that employed 4-sided RDC modules；commercially known as“impact rollers”. The strong coefficient of correlation (i.e. R＞0.86) and the parametric behavior achieved in this study indicate that the model is successful in providing reliable predictions of the effectiveness of RDC in various ground conditions.

Key words： soil mechanics rolling dynamic compaction artificial neural networks cone penetration test ground improvement

引用本文:

R. A. T. M. Ranasinghe，M. B. Jaksa，F. Pooya Nejad，Y. L. Kuo. Prediction of the effectiveness of rolling dynamic compaction using artificial neural networks and cone penetration test data[J]. 岩石力学与工程学报, 2019, 38(1): 153-170.
R. A. T. M. Ranasinghe，M. B. Jaksa，F. Pooya Nejad，Y. L. Kuo. Prediction of the effectiveness of rolling dynamic compaction using artificial neural networks and cone penetration test data. , 2019, 38(1): 153-170.

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http://www.rockmech.org/CN/Y2019/V38/I1/153

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