Time-domain reflectometry method and its application for measuring moisture content in porous materials: A review

R Černý - Measurement, 2009 - Elsevier
The time-domain reflectometry (TDR) method is based on the analysis of dielectrics'
behavior in time-varying electric field which can be utilized in the determination of …

[PDF][PDF] An optical fibre monitoring system for evaluating the performance of a soil nailed slope

HH Zhu, ANL Ho, JH Yin, HW Sun, HF Pei… - Smart Structures and …, 2012 - academia.edu
Conventional geotechnical instrumentation techniques available for monitoring of slopes,
especially soil-nailed slopes have limitations such as electromagnetic interference, low …

[HTML][HTML] Effect of scour on the natural frequency responses of bridge piers: development of a scour depth sensor

N Boujia, F Schmidt, C Chevalier, D Siegert… - Infrastructures, 2019 - mdpi.com
Local scour is the removal of soil around bridge foundations under the erosive action of
flowing water. This hydraulic risk has raised awareness of the need for developing …

Comprehensive wave propagation model to improve TDR interpretations for geotechnical applications

CP Lin, SH Tang - Geotechnical Testing Journal, 2007 - asmedigitalcollection.asme.org
Time domain reflectometry (TDR) is becoming an important monitoring technique for various
geotechnical problems. Better data interpretation and new developments rely on the ability …

New types of time domain reflectometry sensing waveguides for bridge scour monitoring

CP Lin, K Wang, CC Chung… - Smart Materials and …, 2017 - iopscience.iop.org
Scour is a major threat to bridge safety, especially in harsh fluvial environments. Real-time
monitoring of bridge scour is still very limited due to the lack of robust and economic scour …

Effects of temperature on measurements of soil water content with time domain reflectometry

T Schanz, W Baille, LN Tuan - Geotechnical …, 2011 - asmedigitalcollection.asme.org
This paper analyses the effects of temperature on the quantification of soil water content by
means of time domain reflectometry (TDR) method. For this purpose, the dielectric constant …

New TDR waveguides and data reduction method for monitoring of stream and drainage stage

CC Chung, CP Lin, IL Wu, PH Chen, TK Tsay - Journal of Hydrology, 2013 - Elsevier
Less known in the field of hydrological measurements in civil engineering, time domain
reflectometry (TDR) has been developed as a new solution to some of the more difficult level …

Use of time-domain reflectometry for quality control of soil-nailing works

RWM Cheung, DOK Lo - Journal of geotechnical and …, 2011 - ascelibrary.org
Soil nailing is an effective and practical means for stabilizing slopes and supporting
excavations. It has been used extensively in slope improvement works in Hong Kong since …

Soil nailing and subsurface drainage for slope stabilization

WK Pun, G Urciuoli - … and Engineered Slopes. From the Past to …, 2008 - taylorfrancis.com
Soil nailing and subsurface drainage are amongst the very commonly used techniques for
slope stabilization. The concept of soil nailing involves creating a stable block of composite …

地下水位及电导率TDR 测试探头研制与应用

陈仁朋, 许伟, 汤旅军, 陈云敏 - 岩土工程学报, 2009 - cgejournal.com
介绍了一种自制的地下水位及电导率测试探头, 利用TDR 原理实现了地下水位及其电导率的
自动监测方法. 在苏州七子山卫生填埋场滤液面高度的测试应用表明: 利用TDR …