Model tests on relationship between water content and dielectric constant of MSW media

CHEN Yun; GUO Lina; LUO Minmin; XIE Haijian; HUANG Jiasheng; SHEN Danyi

doi:10.11779/CJGE2023S10015

Volume 45 Issue S1

Turn off MathJax

Article Contents

Abstract

References

Chinese Journal of Geotechnical Engineering > 2023 > 45(S1): 185-188. > DOI: 10.11779/CJGE2023S10015

CHEN Yun, GUO Lina, LUO Minmin, XIE Haijian, HUANG Jiasheng, SHEN Danyi. Model tests on relationship between water content and dielectric constant of MSW media[J]. Chinese Journal of Geotechnical Engineering, 2023, 45(S1): 185-188. DOI: 10.11779/CJGE2023S10015

Citation:

PDF (1399 KB)

Model tests on relationship between water content and dielectric constant of MSW media

CHEN Yun^{1, 2,},
GUO Lina¹,
LUO Minmin^{1, 2, ,},
XIE Haijian³,
HUANG Jiasheng¹,
SHEN Danyi¹

1.
The Architectural Design and Research Institute of Zhejiang University Co, Ltd, Hangzhou 310028, China
2.
Center for Balance Architecture, Zhejiang University, Hangzhou 310028, China
3.
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310027, China

More Information

Received Date: July 05, 2023
Available Online: November 23, 2023

Graphical Abstract

Abstract

Abstract

The time domain reflectometry (TDR) takes advantage of the large difference of dielectric constants between water and soils. The dielectric constant and conductivity of soils are obtained from the analysis of the electromagnetic wave reflection waveform, and the water content of soils is obtained through empirical conversion. At present, the researches and application of using TDR to test the water content in the field of geotechnical engineering are mostly limited to soil media, and there are few studies on the municipal solid waste (MSW). In this study, a four-pin TDR sensor developed based on the principle of surface reflection method is used to establish an empirical relationship model between the water content of the MSW media and their dielectric constant through indoor calibration experiments. This empirical relationship model takes into account the influences of the porosity of MSW media. The error of the test results between the TDR technology based on the above empirical relationship model and the drying method does not exceed ±5%.
- municipal solid waste,
- time domain reflectometry,
- surface reflection method,
- medium,
- water content

FullText(HTML)

References (9)

References

[1]	TOPP G C, DAVIS J L. Measurement of soil water content using time-domain reflectrometry (TDR): a field evaluation[J]. Soil Science Society of America Journal, 1985, 49(1): 19-24. doi: 10.2136/sssaj1985.03615995004900010003x
[2]	CHEN R P, DRNEVICH V P, YU X, et al. Time domain reflectometry surface reflections for dielectric constant in highly conductive soils[J]. Journal of Geotechnical and Geoenvironmental Engineering, 2007, 133(12): 1597-1608. doi: 10.1061/(ASCE)1090-0241(2007)133:12(1597)
[3]	CHEN R P, XU W, CHEN Y M. Measuring dielectric constant in highly conductive soils based on surface reflection coefficients[J]. Journal of Geotechnical and Geoenvironmental Engineering, 2009, 135(12): 1883-1891. doi: 10.1061/(ASCE)GT.1943-5606.0000170
[4]	CHEN Y M, WANG H L, CHEN R P, et al. A newly designed TDR probe for soils with high electrical conductivities[J]. Geotechnical Testing Journal, 2014, 37(1): 20120227. doi: 10.1520/GTJ20120227
[5]	CHEN R P, CHEN Y, CHEN W, et al. Time domain reflectometry for water content measurement of municipal solid waste[J]. Environmental Engineering Science, 2012, 29(6): 486-493. doi: 10.1089/ees.2010.0489
[6]	RAMO S, WHINNERY J R, DUZER T V. Fields and Waves in Communication Electronics [M]. 3ed. Hoboken: John Wiley and Sons, 1994.
[7]	TOPP G C, YANUKA M, ZEBCHUK W D, et al. Determination of electrical conductivity using time domain reflectometry: soil and water experiments in coaxial lines[J]. Water Resources Research, 1988, 24(7): 945-952.
[8]	American Society for Testing and Materials. Standard test method for water content and density of soil in place by time domain reflectometry(TDR): D6780-05 [S]. West Conshohocken: American Society for Testing and Materials(ASTM). 2005.
[9]	王进学. 离子污染饱和无黏性土电导率特性及TDR测试技术[D]. 杭州: 浙江大学, 2007. WANG Jinxue. Electrical Conductivities of Ionic Contaminated Saturated Sandy Soils and TDR Measurement[D]. Hangzhou: Zhejiang University, 2007. (in Chinese)

[1]	ZHAO Mi, HUANG Yi-ming, WANG Pi-guang, XU Hai-bin, DU Xiu-li. Analytical solution for water-pile-soil interaction under horizontal dynamic loads on pile head[J]. Chinese Journal of Geotechnical Engineering, 2022, 44(5): 907-915. DOI: 10.11779/CJGE202205014
[2]	QI Yu-liang, HISANORI Otsuka. Shaking table tests on pile groups considering pile-soil-structure interaction[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk2): 1024-1027.
[3]	LI Yong-bo, ZHANG Hong-ru, QUAN Ke-jiang. Development of model test system for dynamic frozen soil-pile interaction[J]. Chinese Journal of Geotechnical Engineering, 2012, 34(4): 774-780.
[4]	WANG Liping, ZHANG Ga, ZHANG Jianmin, LEE C F. Centrifuge modeling of cohesive soil slopes reinforced by stabilizing piles[J]. Chinese Journal of Geotechnical Engineering, 2009, 31(7): 1075-1081.
[5]	WANG Tao, LIU Jinli. Tests on influence of pile-soil-pile interaction[J]. Chinese Journal of Geotechnical Engineering, 2008, 30(1): 100-105.
[6]	YU Yuzhen, DENG Lijun. Centrifuge modeling of seismic behavior of slopes reinforced by stabilizing pile[J]. Chinese Journal of Geotechnical Engineering, 2007, 29(9): 1320-1323.
[7]	HUANG Yu, YASHIMA Atsushi, ZHANG Feng. Finite element analysis of pile-soil-structure dynamic interaction in liquefiable site[J]. Chinese Journal of Geotechnical Engineering, 2005, 27(6): 646-651.
[8]	ZOU Lihua, ZHAO Renda, ZHAO Jianchang. Analysis of the response to earthquake of the pile-soil-isolated structure interaction[J]. Chinese Journal of Geotechnical Engineering, 2004, 26(6): 782-786.
[9]	WANG Jianhua, FENG Shilun. The shake table test on soil-pile interaction[J]. Chinese Journal of Geotechnical Engineering, 2004, 26(5): 616-618.
[10]	LIAO Xionghua, ZHOU Jian, ZHANG Kexu, LI Xikui. Application of generalized freedom method to the analysis of soil-st ructure interaction problems[J]. Chinese Journal of Geotechnical Engineering, 2001, 23(6): 672-676.