Results 21 to 30 of about 189,029 (205)

Research and application of time-varying law of anchoring force of split-set bolt based on field measurement

Frontiers in Environmental Science, 2023
Split-set bolt is widely used in supporting stope and roadway surrounding rock in metal mines. The maximum pull-out force generated by the relative slippage between the anchor bolt and the drill hole can serve as an indicator for assessing its anchoring ...
Yingjie Hao, Yingjie Hao, Mingde Zhu, Mingde Zhu, Chunlong Wang, Chunlong Wang, Yantian Yin, Yantian Yin, Kuikui Hou, Kuikui Hou, Peng Huang   +10 more
doaj   +1 more source

Stability analysis and evaluation of surrounding rock of ultra-deep shaft under complicated geological conditions

Frontiers in Earth Science, 2023
The construction of deep underground engineering is greatly influenced by complex geological conditions such as high stress, faults, and fracture zones, which significantly affects the stability of the project.
Kuikui Hou, Kuikui Hou, Mingde Zhu, Mingde Zhu, Yingjie Hao, Yingjie Hao, Yantian Yin, Yantian Yin, Long An   +8 more
doaj   +1 more source

Application of multi-criteria decision making to sustainable deep-sea mining vertical transport plans

Frontiers in Marine Science, 2022
Ever since the concept of deep-sea mining was first described, the prospect of deep-sea mining testing and monitoring has proved to be a subject of great interest.
Wenbin Ma, Yanlian Du, Kairui Zhang, Yijun Shen   +3 more
doaj   +1 more source

Research on path planning of autonomous manganese nodule mining vehicle based on lifting mining system

Frontiers in Robotics and AI, 2023
Deep-sea manganese nodules are abundant in the ocean, with high exploitation potential and commercial value, and have become mineral resources that coastal countries compete to develop.
Yingchun Xie, Chaoqun Liu, Xuguang Chen, Guijie Liu, Dingxin Leng, Wei Pan, Shuai Shao   +6 more
doaj   +1 more source

Deep-sea rock mechanics and mining technology: State of the art and perspectives

International Journal of Mining Science and Technology, 2023
The review covers the development and the state of the art in deep-sea mining rock mechanics, equipment and challenges. It begins by introducing the significance of deep-sea mining, the types and geographical distribution of deep-sea resources. Section 2
Zenghui Liu, Kai Liu, Xuguang Chen, Zhengkuo Ma, Rui Lv, Changyun Wei, Ke Ma   +6 more
doaj   +1 more source

Status of Sustainability Development of Deep-Sea Mining Activities

Journal of Marine Science and Engineering, 2022
With technological improvement such as ore exploration, robotics, and hydrodynamic lifting, deep-sea mining has attracted more attention from governments, companies, and scientific research institutions.
Wenbin Ma, Kairui Zhang, Yanlian Du, Xiangwei Liu, Yijun Shen   +4 more
doaj   +1 more source

Probabilistic ecological risk assessment for deep-sea mining: A Bayesian network for Chatham Rise, Pacific Ocean. [PDF]

Ecol Appl
Increasing interest in seabed resource use in the ocean is introducing new pressures on deep‐sea environments, the ecological impacts of which need to be evaluated carefully.
Kaikkonen L, Clark MR, Leduc D, Nodder SD, Rowden AA, Bowden DA, Beaumont J, Cummings V.   +7 more
europepmc   +2 more sources

To the Deep End or Out of Their Depth?

BMGN: Low Countries Historical Review, 2023
At the negotiations of the Third United Nations Convention on the Law of the Sea (1973-1982), industrialised states with the capacity to exploit the deep seabed had a fundamentally different vision of a regime regulating deep-sea mining than most ...
Yoram Carboex
doaj   +1 more source

Morphotectonic Analysis of the East Manus Basin, Papua New Guinea

Frontiers in Earth Science, 2021
Backarc basin systems are important sites of extension leading to crustal rupture where basin development typically occurs in rifting phases (or stages) with the final successful stages identified by the formation of spreading ridges and new oceanic ...
Nicholas J. Dyriw, Nicholas J. Dyriw, Scott E. Bryan, Simon W. Richards, John M. Parianos, Richard J. Arculus, David A. Gust   +6 more
doaj   +1 more source

Current Status and Development Direction of Deep-Sea Mineral Resource Exploitation Equipment

中国工程科学, 2023
Deep-sea mineral resource development is an important measure to address China’s long-term dependence on strategic mineral resources. Having a complete and reliable equipment system is a prerequisite for China to promote its deep-sea mineral resource ...
Wang Guorong , Huang Zeqi , Zhou Shouwei , Fu Qiang , Zhong Lin , Guo Xincheng , Zhu Dan , Liang Dongmei , Huang Chunhai   +8 more
doaj   +1 more source