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Vol.49, No.2, PP.071-130
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1
Application of Time Domain Reflectometry Technology to Quantification of Reflected Waveforms on Coaxial Cables with Shear and Extension Tests
49(2):71-76
Yu-Shu Lin Shei-Chen Ho Jun-Yang Chen I-Hui Chen* Miau-Bin Su
* Corresponding Author. E-mail : cih82nchu@dragon.nchu.edu.tw
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2
Characteristics and Warning Methods of Ground Vibrations Generated by Debris Flows at Ai-Yu-Zi Creek
49(2):77-88
Shih-Chao Wei[1]* Ko-Fei Liu[1] Yi-Min Huang[2] Yao-Min Fang[3] Hsiao-Yuan Yin[4] Hsiao-Yu Huang[4] Chien-Liang Lin[4]
* Corresponding Author. E-mail : stanscwei@gmail.com
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3
Establishment of Landslide Susceptibility Early Warning Model in National Forest Areas Based on Geo-intrinsic and Hydro-extrinsic Factors
49(2):89-97
Su-Chin Chen Chun-Yi Wu*
* Corresponding Author. E-mail : cywu@nchu.edu.tw
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4
Object-based Classification for Detecting Landslides and Vegetation Recovery—A Case at Baolai, Kaohsiung
49(2):98-109
Ying-Tong Lin[1] Kuo-Chen Chang [1]* Ci-Jian Yang[2]
* Corresponding Author. E-mail : twnrsworld@hotmail.com
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5
Rheological Experiments and Slump Tests of Kaolin Slurries
49(2):110-116
Chyan-Deng Jan * Ciao-Kai Hsu Chih-Yuan Yang
* Corresponding Author. E-mail : cdjan@mail.ncku.edu.tw
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Rheological Experiments and Slump Tests of Kaolin Slurries
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Chyan-Deng Jan * Ciao-Kai Hsu Chih-Yuan Yang

Abstract
This study performed rheological measurements and slump tests of sediment slurries to investigate the relationship between rheological parameters and the parameters measured using the slump test. Sediment slurries used in this study were mixtures of kaolin soil and tap water, with sediment concentrations between 25% and 35% by volume and Bingham fluid characteristics. The slurry’s rheological behaviors and parameters (Bingham yield stress and viscosity)
were measured using a Brookfield DV-III rheometer, and the slump parameters (slump height and spreading diameter) were obtained from slump tests by using a self-made mold. The results reveal that rheological and slump parameters are closely related to the sediment concentration of slurries. Higher concentrations resulted in greater Bingham
yield stress and viscosity but smaller slump height and spreading diameter. The rheological parameters are closely
related to the slump parameters, which implies that the parameters obtained from a slump test can be used to estimate the rheological parameters of a sediment slurry.
Key Words: Kaolin slurry, Rheological parameters, Slump test.
Department of Hydraulic and Ocean Engineering, National Cheng Kung University, Tainan, Taiwan
* Corresponding Author. E-mail : cdjan@mail.ncku.edu.tw
Received: 2017/11/10
Revised: 2018/01/29
Accepted: 2018/02/07
6
Comparison of Downstream Erosion Between Permeable and Impermeable Groundsill Throung Flume Tests
49(2):117-130
Chong-Yu Sun[1] Shaohua Marko Hsu[2*] Chun-Hung Wu[3] Pi-Fang Hung[4]
* Corresponding Author. E-mail : shhsu@fcu.edu.tw
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