Results 91 to 100 of about 3,284,104 (188)
ABSTRACT In a move away from exclusive use by modality, a number of shared tramping and mountain biking tracks have been developed in New Zealand. We ask: On shared tracks, what tensions arise and how are they experienced? Using data from online surveys of trackāusers, we examine bikers' and trampers' perspectives and experiences of conflict.
Joe Fagan, Robin Kearns, Laura Bates
wiley +1 more source
Mechanism and control of strong ground pressure in fully mechanized mining face
In order to ensure the safe use of the withdrawal roadway in the fully mechanized mining face of thick coal seam, taking the strong ground pressure behavior of the withdrawal roadway in 31102 working face of Nalinhe No.2 well as the method of combination
Hao, LI, Yin, ZHANG, Yi, ZHAO
core +1 more source
Crawler Type Blasthole Drilling Rig for Fully Mechanized Mining Face Crossing the Fault
Aiming at the problem of low efficiency and high labor intensity of the traditional construction method of fully mechanized mining face crossing the fault, a crawler type blasthole drilling rig suitable for fully mechanized mining face crossing the fault
WANG Tianlong, SONG Haitao, LIU Yiyang
core +1 more source
UWB linkage locking technology and application design for mine faces
This article conducts a comprehensive study and analysis of ultra wideband wireless carrier communication technology (UWB) and two positioning algorithms of TDOA and TOF.
Baojiang REN
doaj +1 more source
Numerical Simulation Study on Law of Dispersive Pollution of Dust in Fully Mechanized Mining Face
Aiming at the problem of dust movement in the fully mechanized mining work, a 3D model of the fully mechanized mining face was established based on the gas-solid two-phase flow theory based on the 3604 face in Chenbanzhuang Coal Mine.
KONG Yang, PANG Haosheng, SONG Shuzheng, MENG Qunzhi
core +1 more source
Mathematical model of automatic following control in the middle of fully mechanized mining face
With consideration of bi-directional cutting characteristics of fully mechanized mining face and analysis of coordinated control of shear, hydraulic support and scraper conveyor, a mathematical model was firstly proposed to describe curved path of ...
CUI Zhifang +3 more
core +1 more source
Under complex working conditions, fully mechanized mining equipment often suffers from insufficient adaptability and poor coordination among equipment units, leading to abnormal operation and potential safety hazards, which restricts the mining ...
Yue Wu +4 more
doaj +1 more source
For problems of low automation level and poor cooperative control of equipments on fully-mechanized coal mining face and two-roadways, a scheme of equipments cooperative advancing control technology on fully-mechanized coal mining face and two-roadways ...
WANG Feng
core +1 more source
Idea of whole design of unmanned fully-mechanized coal mining face and its implementation method
Unmanned or lee-manned fully-mechanized coal mining face is a core topic about coal mine safety. A view was pointed out that automatic coal mining should be pondered on from the whole fully-mechanized system, and fully-mechanized equipments should be ...
FU Guo-jun, YANG Ming-liang, XU Tai-shan
doaj
Research and exploration of longwall fully mechanized mining in steeply dipping coal seams
To address the challenges of safe and efficient mining in steeply dipping coal seams in China and support the intelligent transformation of the coal industry, this article focuses on fully mechanized longwall mining technology for such seams.
Yongping WU +10 more
doaj +1 more source

