Calibration of time–domain reflectometry (TDR–315H) sensor for volumetric water content measurements in recycled roadbed materials
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Từ khóa:
Time domain reflectometry
calibration curve
volumetric water content
roadbed materials
Tóm tắt
Permeable pavement systems (PPS) are widely adopted in developed countries for urban flood control and heat island mitigation challenges, but have not yet been widely used in Vietnam. Monitoring volumetric water content (θ) in roadbed materials is essential for evaluating their performance for abovementioned challenges at pilot-scale. The Time Domain Reflectometry (TDR) technique is commonly used for measuring θ but requires a material–specific calibration for θ values. This study aims to establish calibration curves for roadbed materials by using a commercially available sensor of TDR-315H. Two types of materials were tested in the laboratory: (i) unbound roadbase materials including recycled concrete aggregates (RCA), RCA blended with autoclaved aerated concrete grains, and natural aggregates, and (ii) RCA combined with recycled brick aggregates and cement as a bound porous surface. The results showed that sensor manufacturing variability was negligible, and specific calibration curves were successfully developed for each material.
Tài liệu tham khảo
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[1] P.V. Nam, K. Kawamoto, N.T. Dung, T.T. Kien, and N. H. Giang, “Review of Water and Heat Balances and Challenges To Adoption of Permeable Pavement System in Vietnam,” Int. J. GEOMATE, vol. 24, no. 103, pp. 84–95, 2023. https://doi: 10.21660/2023.103.g12169.
[2] G. C. Topp, J. L. Davis, and A. P. Annan, “Electromagnetic determination of soil water content: Measurements in coaxial transmission lines,” Water Resour. Res., vol. 16, no. 3, pp. 574–582, 1980. https://doi: 10.1029/WR016i003p00574.
[3] M. A. Malicki, R. Plagge, and C. H. Roth, “Improving the calibration of dielectric TDR soil moisture determination taking into account the solid soil,” Eur. J. Soil Sci., vol. 47, no. 3, pp. 357–366, 1996. https://doi: 10.1111/j.1365–2389.1996.tb01409.x.
[4] T. Miyamoto, R. Kobayashi, T. Annaka, and J. Chikushi, “Applicability of multiple length TDR probes to measure water distributions in an Andisol under different tillage systems in Japan,” Soil Tillage Res., vol. 60, no. 1–2, pp. 91–99, 2001. https://doi: 10.1016/S0167–1987(01)00172–6.
[5] L. M. Thring, D. Boddice, N. Metje, G. Curioni, D. N. Chapman, and L. Pring, “Factors affecting soil permittivity and proposals to obtain gravimetric water content from time domain reflectometry measurements,” Can. Geotech. J., vol. 51, no. 11, pp. 1303–1317, 2014. https://doi: 10.1139/cgj–2013–0313.
[6] D. A. Boyarskii, V. V. Tikhonov, and N. Y. Komarova, “Model of dielectric constant of bound water in soil for applications of microwave remote sensing,” J. Electromagn. Waves Appl., vol. 16, no. 3, pp. 411–412, 2002. https://doi: 10.1163/156939302X01227.
[7] S. Wojciech, “Time Domain Reflectometry: Temperature– dependent Measurements of Soil Dielectric Permittivity,” Electromagn. Waves, 2011.
[8] M. Bittelli, F. Salvatorelli, and P. R. Pisa, “Correction of TDR–based soil water content measurements in conductive soils,” Geoderma, vol. 143, no. 1–2, pp. 133–142, 2008. https://doi: 10.1016/j.geoderma.2007.10.022.
[9] Q. Qi, H. Yang, Q. Zhou, X. Han, Z. Jia, Y. Jiang, Z. Chen, L. Hou, and S. Mei, “Performance of Soil Moisture Sensors at Different Salinity Levels: Comparative Analysis and Calibration,” Sensors, vol. 24, no. 19, pp. 1–16, 2024. https://doi.org/10.3390/s24196323
[10] H. Quinones, P. Ruelle, and I. Nemeth, “Comparison of three calibration procedures for tdr soil moisture sensors,” Irrig. Drain., vol. 52, no. 3, pp. 203–217, 2003. https://doi: 10.1002/ird.95.
[11] G. W. Marek, S. Evett, T. H. Marek, D. O. Porter, and R. C. Schwartz, “Field Evaluation of Conventional and Downhole Tdr Soil Water Sensors for Irrigation Scheduling in a Clay Loam Soil,” Appl. Eng. Agric., vol. 39, no. 5, pp. 495–507, 2023. https://doi: 10.13031/aea.15574.
[12] Data Sheet True TDR–315H soil water temperature, Acclima, Inc. USA, 2019.
[13] R. C. Schwartz, S. R. Evett, S. K. Anderson, and D. J. Anderson, “Evaluation of a Direct–Coupled Time–Domain Reflectometry for Determination of Soil Water Content and Bulk Electrical Conductivity,” Vadose Zo. J., vol. 15, no. 1, pp. 1–8, 2016. https://doi: 10.2136/vzj2015.08.0115.
[14] Y. Wang, Z. Zhang, Z. Guo, Y. Chen, J. Yang, and X. Peng, “In–situ measuring and predicting dynamics of soil bulk density in a non–rigid soil as affected by tillage practices: Effects of soil subsidence and shrinkage,” Soil Tillage Res., vol. 234, p. 105818, 2023. https://doi: 10.1016/j.still.2023.105818.
[15] Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System), American Society for Testing and Materials (ASTM), West Conshohocken PA, 2006.
[16] P. V. Nam, N. T. Dung, N. H. Giang, and K. Kawamoto, “Mechanical, hydraulic, and particle breakage properties of recycled concrete aggregates blended with autoclaved aerated concrete (AAC) grains for unbound road base and subbase materials in Vietnam,” J. Mater. Cycles Waste Manag., vol. 26, no. 2, pp. 845–859, 2024. https://doi.org/10.1007/s10163–023–01858–7.
[17] P. V. Nam, N. T. Dung, N. H. Giang, and K. Kawamoto, “Unsaturated hydraulic properties of recycled concrete aggregates blended with autoclaved aerated concrete grains for unbound road base materials in Vietnam,” J. Mater. Cycles Waste Manag., no. 0123456789, 2024. https://doi: 10.1007/s10163–024–02134–y.
[18] Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft–lbf/ft3 (2,700 kN–m/m3)), American Society for Testing and Materials (ASTM), ASTM International, West Conshohocken, PA, 2012.
[19] Natural Aggregate for Road Pavement Layers – Specification for Material, Construction and Acceptance, TCVN 8857:2011.
[20] ECO SYSTEM Inc., “K-Ground C Permeable Paving Material with Aggregate Made from Recycled Roof Tiles”, eco-system.ne.jp. [Online]. Available: https://eco-system.ne.jp/bus_info_eng.html [Accessed October 22, 2025].
[21] N. K. Tuan, K. Kawamoto, M. Suzuki, Y. Tanaka, P. Q. Minh, N. H. Giang, and N. T. Dung, “Evaluating the thermal performance of permeable pavements: A case study in an urban Area of Vietnam,” Global Environmental Research, vol. 28, no. 1, pp. 45–52, 2024. https://doi: 10.57466/ger.28.1_45.
[22] Acclima TDR Sensor User Manual For Sensor Models: TDR305H, TDR310H, TDR315H, Acclima, Inc. USA.
[23] J. M. Schneider and D. Fratta, “Time–domain reflectometry – parametric study for the evaluation of physical properties in soils,” Can. Geotech. J., vol. 46, no. 7, pp. 753–767, 2009. https://doi: 10.1139/T09–018.
[24] P.V. Nam, N. Q. Cuong, N. H. Giang, and K. Kawamoto, “Unsaturated hydraulic property of recycled concrete aggregates blended with autoclaved aerated concrete grains for unbound road base and subbase materials in Vietnam,” IOP Conf. Ser. Mater. Sci. Eng., vol. 1289, no. 1, p. 012100, 2023. https://doi: 10.1088/1757–899X/1289/1/012100.
[25] T. H. Nam, K. Kawamoto, N. H. Giang, T. Komatsu, and P. Moldrup, “Diffusive and convective transport properties and pore–network characteristics of recycled, compacted concrete aggregates for use as road pavement materials,” Constr. Build. Mater., vol. 457, 2024. https://doi: 10.1016/j.conbuildmat.2024.139460.
[26] C. Y. Chang, “Electromagnetic Sensor Sampling Volumes and Water Content Calibration in Coarse–Textured Porous Media Using Layered Mixing Theories,” Master's thesis, Utah State Univ, United States, 2025.
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Oct 31, 2025
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Pham, V. N., A. Matsuno, và K. Kawamoto. “Calibration of time–domain Reflectometry (TDR–315H) Sensor for Volumetric Water Content Measurements in Recycled Roadbed Materials”. Tạp Chí Khoa học Và Công nghệ - Đại học Đà Nẵng, vol 23, số p.h 10C, Tháng Mười 2025, tr 42-46, doi:10.31130/ud-jst.2025.23(10C).662E.
