Energy-based comparison between a dynamic cone penetrometer and a motor-operated static cone penetrometer

被引：13
|
作者：
Sun, Y. [1 ]
Cheng, Q. [1 ]
Lin, J. [2 ]
Lammers, P. Schulze [3 ]
Berg, A. [3 ]
Meng, F. [1 ]
Zeng, Q. [4 ]
Li, L. [1 ]
机构：
[1] China Agr Univ, Coll Informat & Elect Engn, Beijing 100083, Peoples R China
[2] Beijing Forestry Univ, Sch Technol, Beijing 100083, Peoples R China
[3] Univ Bonn, Dept Agr Engn, D-53115 Bonn, Germany
[4] S China Agr Univ, Coll Engn, Guangzhou 510642, Guangdong, Peoples R China
来源：
SOIL & TILLAGE RESEARCH | 2011年 / 115卷
关键词：
Dynamic cone penetrometer; Static cone penetrometer; Penetration resistance; Energy loss; SOIL PENETRATION RESISTANCE; TDR MOISTURE PROBE; WATER-CONTENT; MECHANICAL IMPEDANCE; GROWTH; ROOTS;
D O I：
10.1016/j.still.2011.06.005
中图分类号：
S15 [土壤学];
学科分类号：
0903 ; 090301 ;
摘要：
Dynamic cone penetrometers (DCP) have been available for many years. However, there is still an uncertainty between the simplified Dutch Formula and the complete one. As a continual approach to assess both formulae, this study provides an energy-based comparison between a DCP and a motor-operated static cone penetrometer (SCP). The results yielded by SCP were regarded as reference. Through the designed experiment, we observed that both formulae considerably extenuated the energy loss arisen from strikes, which was equivalent to an overestimation of the calculated penetration force. Since the overestimation is greater than the uncertainty between both formulae, a better analytical model is required. Regarding the energy loss, the shaft vibration should also be taken into account for correcting each formula. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：105 / 109
页数：5
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