Sound Attenuation Characteristics in Relation to Compaction Degree in Sandy Soil

Authors

LIU Junbin, College of Civil Engineering, Xiangtan University, Xiangtan, Hunan 411105, ChinaFollow
LONG Shiguo, College of Civil Engineering, Xiangtan University, Xiangtan, Hunan 411105, ChinaFollow

Corresponding Author

龙士国, 男, 博士, 教授. E-mail: longsg@xtu.edu.cn

Abstract

In order to investigate the effect of water content and compaction degree on the attenuation characteristics of sound waves in sandy soil,this paper first determined the particle gradation of the soil through a sieving test and identified its optimal water content through a compaction test.Then,six sets of ring knife specimens of sandy soil with different water contents and nine sets with varying compaction degrees were prepared.Ultrasonic testing was carried out using the acoustic transmission method,and the received acoustic signals were subjected to time-frequency analysis to extract acoustic characteristic parameters indicative of the compaction degree.Finite element simulation was employed to explore the propagation mechanisms of ultrasonic waves in sandy soil with different compaction degrees.The results show that with the increase in water content,the maximum amplitude and acoustic wave energy first decrease and then increase,while the attenuation coefficient first increases and then decreases.With the increase in compaction,both the maximum amplitude and acoustic wave energy increase significantly.Based on the quantitative relationship between acoustic wave amplitude and energy,a non-destructive testing method is proposed to invert the compaction degree of sandy soil using ultrasonic parameters.

Publication Date

12-24-2025

DOI

10.14048/j.issn.1671-2579.2025.06.009

First Page

77

Last Page

84

Submission Date

December 2025

Recommended Citation

Junbin, LIU and Shiguo, LONG (2025) "Sound Attenuation Characteristics in Relation to Compaction Degree in Sandy Soil," Journal of China & Foreign Highway: Vol. 45: Iss. 6, Article 9.
DOI: 10.14048/j.issn.1671-2579.2025.06.009
Available at: https://zwgl1980.csust.edu.cn/journal/vol45/iss6/9

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