Method of estimating the effective zone induced by rapid impact compaction

Abstract This paper proposes a method for estimating the effective zone, including effective depth and effective range of compaction degree, from rapid impact compaction (RIC) on sand layer whose fines content is less than 10%. The proposed method utilizes a string of microelectromechanical system a...

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Autores principales:	Shih-Hao Cheng, Shi-Shuenn Chen, Louis Ge
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/12d4079bdfdf413c91d538272ba267a8
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spelling	oai:doaj.org-article:12d4079bdfdf413c91d538272ba267a82021-12-02T18:02:31ZMethod of estimating the effective zone induced by rapid impact compaction10.1038/s41598-021-97912-12045-2322https://doaj.org/article/12d4079bdfdf413c91d538272ba267a82021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-97912-1https://doaj.org/toc/2045-2322Abstract This paper proposes a method for estimating the effective zone, including effective depth and effective range of compaction degree, from rapid impact compaction (RIC) on sand layer whose fines content is less than 10%. The proposed method utilizes a string of microelectromechanical system accelerometers to monitor the acceleration at various depths and propagation distances during compaction. To interpret and extract useful information from monitored data, peak-over-threshold (POT) processing and normal distribution function were used to analyze the recorded acceleration. The mean and standard deviation of the threshold peak acceleration were used to evaluate the effective depth and the effective range of compaction degree during RIC compaction. Moreover, spatial contours were used to determine the correlation of the threshold peak acceleration against depth and propagation distance from the RIC impact point. These contours help indicating the distribution of the effect zone after compaction. Lastly, a proposed method is suggested for frequent use in trial tests to quickly determine RIC’s required depth and impact spacing.Shih-Hao ChengShi-Shuenn ChenLouis GeNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shih-Hao Cheng Shi-Shuenn Chen Louis Ge Method of estimating the effective zone induced by rapid impact compaction
description	Abstract This paper proposes a method for estimating the effective zone, including effective depth and effective range of compaction degree, from rapid impact compaction (RIC) on sand layer whose fines content is less than 10%. The proposed method utilizes a string of microelectromechanical system accelerometers to monitor the acceleration at various depths and propagation distances during compaction. To interpret and extract useful information from monitored data, peak-over-threshold (POT) processing and normal distribution function were used to analyze the recorded acceleration. The mean and standard deviation of the threshold peak acceleration were used to evaluate the effective depth and the effective range of compaction degree during RIC compaction. Moreover, spatial contours were used to determine the correlation of the threshold peak acceleration against depth and propagation distance from the RIC impact point. These contours help indicating the distribution of the effect zone after compaction. Lastly, a proposed method is suggested for frequent use in trial tests to quickly determine RIC’s required depth and impact spacing.
format	article
author	Shih-Hao Cheng Shi-Shuenn Chen Louis Ge
author_facet	Shih-Hao Cheng Shi-Shuenn Chen Louis Ge
author_sort	Shih-Hao Cheng
title	Method of estimating the effective zone induced by rapid impact compaction
title_short	Method of estimating the effective zone induced by rapid impact compaction
title_full	Method of estimating the effective zone induced by rapid impact compaction
title_fullStr	Method of estimating the effective zone induced by rapid impact compaction
title_full_unstemmed	Method of estimating the effective zone induced by rapid impact compaction
title_sort	method of estimating the effective zone induced by rapid impact compaction
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/12d4079bdfdf413c91d538272ba267a8
work_keys_str_mv	AT shihhaocheng methodofestimatingtheeffectivezoneinducedbyrapidimpactcompaction AT shishuennchen methodofestimatingtheeffectivezoneinducedbyrapidimpactcompaction AT louisge methodofestimatingtheeffectivezoneinducedbyrapidimpactcompaction
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Method of estimating the effective zone induced by rapid impact compaction

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