Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第31卷    第10期    总第271期    2021年10月

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文章编号:1004-0609(2021)-10-2795-22
深海稀软底质特性及采矿车行走性能研究进展
饶秋华1,刘泽霖1,许 锋2,黄 维1,马雯波3

(1. 中南大学 土木工程学院,长沙 410075;
2. 南华大学 数理学院,衡阳 421001;
3. 湘潭大学 土木工程与力学学院,湘潭 411105
)

摘 要: 深海海域蕴藏的丰富矿产资源被认为是21世纪陆地矿最重要的替代资源,加大深海矿产资源开发与利用力度,已成为全球经济可持续发展的重要抉择,是我国建设海洋强国的重大战略需求。采矿车在深海稀软底质上的行走性能对深海矿产资源开采的安全稳定性具有重要影响。本文回顾了深海采矿方法及采矿车的发展历程,总结了深海稀软底质基本物理力学特性特别是流变特性及其本构关系,分析了采矿车行走运动特性及其牵引力的研究现状以及存在的主要问题,探讨了深海采矿车行走性能及结构优化设计的未来研究方向,为构建环境友好的深海采矿作业系统提供理论依据。

 

关键字: 深海采矿;采矿车;底质流变;本构关系;运动特性;牵引力;结构优化设计

Research progress on characteristics of deep-sea soft sediment and walking performance of mining vehicle
RAO Qiu-hua1, LIU Ze-lin1, XU Feng2, HUANG Wei1, MA Wen-bo3

1. School of Civil Engineering, Central South University, Changsha 410075, China;
2. School of Mathematics and Physics, University of South China, Hengyang 421001, China;
3. College of Civil Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China

Abstract:The rich mineral resources in deep-sea area are the most important alternative resource for land ores in the 21st century. Increasing the exploitation and utilization of the deep-sea mineral resources has become an important choice for the sustainable development of the global economy and a major strategic demand for China to build a marine power. The walking performance of mining vehicle on the deep-sea soft sediment has an important impact on the safety and stability of deep-sea mineral resources mining. In this paper, the development of the deep-sea mining methods and mining vehicles were reviewed and the basic physical and mechanical properties of deep-sea soft sediment, especially its rheological properties and constitutive relationship, were summarized. Besides, the research progress and main problems of the mining-vehicle walking kinetic characteristics and traction force were analyzed, and the future research direction of the walking performance and structural optimization of the deep-sea mining vehicle were proposed. It can provide a theoretical basis for designing an environment-friendly deep-sea mining system.

 

Key words: deep-sea mining; mining vehicle; soft sediment rheology; constitutive relationship; kinetic characteristics; traction force; structural optimization design

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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