Results 1 to 10 of about 1,551 (156)

Evaluation of the relationship between the collapsed mechanism and excavation method in tunnels excavated in schists [PDF]

open access: yesScientific Reports, 2022
The problems experienced in tunnels excavated under high cover in graphitic schists generally vary according to the squeezing mechanism. During the tunnel excavation, slips occur on the slickenside surfaces in the tunnel face from time to time and ...
Ebu Bekir Aygar
doaj   +2 more sources

SIMULASI PENGUKURAN LONGSOR PADA KELERENGAN DAN KEDALAMAN BIDANG GELINCIR YANG BERBEDA

open access: yesJTSL (Jurnal Tanah dan Sumberdaya Lahan), 2022
Landslide is one of the geological disasters that often occurs in Indonesia. Landslides can be caused by several factors; there are human factors and natural factors.
Pilya Tri Oktafiani   +2 more
doaj   +1 more source

RESULTS OF THE TECTONOPHYSICAL STUDY IN THE DZHANKHOT THRUST ZONE (NORTHWESTERN CAUCASUS)

open access: yesГеодинамика и тектонофизика, 2022
The paper presents the results of detailed structural analysis of the Dzhankhot thrust zone which is a part of the system of overthrust nappe structures in the southern slope of the Northwestern Caucasus.
A. V. Marinin, T. Yu. Tveritinova
doaj   +1 more source

Mechanical behaviors of deep pillar sandwiched between strong and weak layers

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2023
A variety of coal room and pillar mining methods have been efficiently practiced at depths of up to 500 m with least strata mechanics issues. However, for the first time, this method was trialled at depths of 850–900 m in CSM mine of Czech Republic.
Sahendra Ram   +6 more
doaj   +1 more source

Mechanism of Casing String Curvature Due to Displacement of Surface Strata

open access: yesEnergies, 2022
One of the main problems of well operation is the risk of uncontrolled leakage of hydrocarbons into the environment. This problem is especially relevant for the long-term operation of wells.
Maciej Dutkiewicz   +3 more
doaj   +1 more source

The system of tracking the position of the bucket excavator's wheel for prevention of risk situations [PDF]

open access: yes, 2018
For companies doing business in mining mineral deposits, ensuring safe work is one of the key tasks (Safety First!). One of the important trends in this area is prevention and endeavour to forestall risk situations. Risks need to be searched, technically
Kapica, Roman   +2 more
core   +1 more source

Fault Analysis to Determine Deformation History of Kubang Pasu Formation at South of UniMAP Stadium Hill, Ulu Pauh, Perlis, Malaysia [PDF]

open access: yes, 2016
The Kubang Pasu Formation at South of UniMap Stadium Hill has suffered deformation that produced fault with various types and orientations. First deformation (ST1) is southeast – northwest were resulted normal, reverse, dextral and sinistral fault.
Suryadi, A. (Adi)
core   +7 more sources

Tectonic stress of the southeastern part of the Gorny Altai [PDF]

open access: yesГеосистемы переходных зон
Data on the stress-strain state of the rocks in the area of the Chuya and Kuray depressions located in the southeastern part of the Gorny Altai were obtained using field tectonophysical methods.
@Marinin, Anton V., Sim, Lydia A.
doaj   +1 more source

Microbiological influences on fracture surfaces of intact mudstone and the implications for geological disposal of radioactive waste [PDF]

open access: yes, 2011
The significance of the potential impacts of microbial activity on the transport properties of host rocks for geological repositories is an area of active research. Most recent work has focused on granitic environments. This paper describes pilot studies
Aoki, K.   +13 more
core   +2 more sources

THE STRESS-AND-STRAIN STATE OF THE SOUTH-EASTERN PART OF THE SKYBA AND BORYSLAV-POKUTTYA NAPPES OF THE UKRAINIAN CARPATHIANS

open access: yesГеодинамика и тектонофизика, 2015
The article presents results of field studies and interpretation of tectonophysical data from profiles in the valleys of Bystritsa Nadvornyanskaya, Prut, Pistynka (the right-side tributary of the Prut river), Belyi and Chernyi Cheremosh, and Seret rivers.
I. M. Bubniak   +2 more
doaj   +1 more source

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