Results 31 to 40 of about 203,567 (245)

Vibration identification of the roadheader cutting head using high-speed cameras

open access: yesMATEC Web of Conferences, 2019
Vibrations of the roadheader cutting head were measured by means of two methods during the cutting performed on the test set-up created at the Faculty of Mining and Geology at the Silesian University of Technology.
Cheluszka Piotr, Mann Rajmund
doaj   +1 more source

Ion Simionescu – Leader and Trailblazer at the University of Iași [PDF]

open access: yesMemoirs of the Scientific Sections of the Romanian Academy, 2023
The paper synthetically presents some of the leadership positions and dignities assumed by Professor Ion Simionescu, as follows: member of the Council of the Faculty of Sciences, head of the Department of Geology-Palaeontology in the Faculty of Sciences,
Gabriel Ovidiu Iancu
doaj  

The Vibration Characteristics of Ground of Rock Blasting in Silt-Rock Strata

open access: yesShock and Vibration, 2021
As the shield section passes through the silt-rock strata, the rock stratum of the tunnel section has to be blasted into blocks in advance, and the diameter of the blocks should be less than 30 cm after breaking, and then, the blocks could smoothly enter
Tao Yin   +4 more
doaj   +1 more source

Challenges in Tunneling in the Himalayas: A Survey of Several Prominent Excavation Projects in the Himalayan Mountain Range of South Asia

open access: yesGeotechnics, 2022
The Himalayas are one of the most unstable regions in the world. Underground excavations are very challenging in this region due to the fragile geology, tectonic activities and complex geological structures.
Diwakar KC   +4 more
doaj   +1 more source

Regional Land Subsidence Analysis in Eastern Beijing Plain by InSAR Time Series and Wavelet Transforms

open access: yesRemote Sensing, 2018
Land subsidence is the disaster phenomenon of environmental geology with regionally surface altitude lowering caused by the natural or man-made factors.
Mingliang Gao   +8 more
doaj   +1 more source

Land uplift linked to managed aquifer recharge in the Perth Basin, Australia

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2021
While the link between groundwater extraction and land subsidence is well documented, observations of land uplift associated with groundwater replenishment are less so.
A.L. Parker   +5 more
doaj   +1 more source

Automated collection of single species of microfossils using a deep learning–micromanipulator system

open access: yesProgress in Earth and Planetary Science, 2020
For geochemical analysis such as stable isotope ratio, radiocarbon dating and minor element analysis for a single species of microfossils, a large number of specimens, is required. Collecting specimens one by one under a microscope requires enormous time
Takuya Itaki   +5 more
doaj   +1 more source

Type selection, structural calculation and construction of anchorage in Sichuan bank of Sichuan Kahalo Jinsha River Bridge

open access: yesAdvances in Bridge Engineering, 2023
Sichuan kahalo Jinsha River Bridge is a suspension bridge with a main span of 1030 m, and the anchorages on both sides are gravity anchorages. In order to adapt to special terrain and geological conditions, anchorage of Sichuan bank pioneered the use of ...
Qiyu Tao, Qigang Xu, Li Chen, Rui Gu
doaj   +1 more source

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