Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment

许锋; 饶秋华; 马雯波

doi:10.1007/s00343-018-6344-1

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Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment

Geology | Updated：2023-05-19

- Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment
- Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment
- 海洋湖沼学报（英文） 2018年36卷第2期页码：230-237
- Affiliations：
  
  1.School of Civil Engineering, Central South University, Changsha 410075, China
  2.College of Civil Engineering and Mechanics, XiangTan University, Xiangtan 411105, China
- Author bio：
  
  RAO Qiuhua, raoqh@csu.edu.cn
- Funds：
  
  Supported by the National Natural Science Foundation of China(51274251);Supported by the National Natural Science Foundation of China(11502226)
- DOI：10.1007/s00343-018-6344-1
  中图分类号：
- 收稿：2016-12-28，
  
  录用：2017-1-7，
  
  网络首发：2017-02-10，
  
  纸质出版：2018-03
- Accepted：
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许锋, 饶秋华, 马雯波. Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment[J]. 海洋湖沼学报（英文）, 2018,36(2):230-237.

Feng XU, Qiuhua RAO, Wenbo MA. Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment[J]. Chinese Journal of Oceanology and Limnology, 2018, 36(2): 230-237.
许锋, 饶秋华, 马雯波. Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment[J]. 海洋湖沼学报（英文）, 2018,36(2):230-237. DOI： 10.1007/s00343-018-6344-1.

Feng XU, Qiuhua RAO, Wenbo MA. Predicting the sinkage of a moving tracked mining vehicle using a new rheological formulation for soft deep-sea sediment[J]. Chinese Journal of Oceanology and Limnology, 2018, 36(2): 230-237. DOI： 10.1007/s00343-018-6344-1.

摘要

Abstract

The sinkage of a moving tracked mining vehicle is greatly affected by the combined compression-shear rheological properties of soft deep-sea sediments. For test purposes

the best sediment simulant is prepared based on soft deep-sea sediment from a C-C poly-metallic nodule mining area in the Pacific Ocean. Compressive creep tests and shear creep tests are combined to obtain compressive and shear rheological parameters to establish a combined compressive-shear rheological constitutive model and a compression-sinkage rheological constitutive model. The combined compression-shear rheological sinkage of the tracked mining vehicle at different speeds is calculated using the RecurDyn software with a selfprogrammed subroutine to implement the combined compression-shear rheological constitutive model. The model results are compared with shear rheological sinkage and ordinary sinkage (without consideration of rheological properties). These results show that the combined compression-shear rheological constitutive model must be taken into account when calculating the sinkage of a tracked mining vehicle. The combined compression-shear rheological sinkage decrease with vehicle speed and is the largest among the three types of sinkage. The developed subroutine in the RecurDyn software can be used to study the performance and structural optimization of moving tracked mining vehicles.

关键词

Keywords

references

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