Results 41 to 50 of about 11,507 (301)

Failure mechanisms of soft rock roadways in steeply inclined layered rock formations

open access: yesGeomatics, Natural Hazards & Risk, 2018
In recent years, with the increasing depth of coal mining around the world, traditional shallow geology mechanics are no longer suitable for the research on deep geological problems. In terms of deep mining, soft rock roadways in inclined rock formations
Zhigang Tao   +6 more
doaj   +1 more source

Research on the Creep and Fatigue Evaluation Method of the Double-Layered Annulus Metal Hydride Bed Combined with Numerical Modeling and ASME Code

open access: yesAdvances in Materials Science and Engineering, 2022
Applied to a hydrogen absorption-desorption cycle, the hydrogen storage bed will experience higher exchange temperatures and variety of mechanical load.
Ping Zhao   +3 more
doaj   +1 more source

Study on 3D modeling method and reinforcement scheme of large and complex open-pit mine

open access: yes矿业科学学报, 2021
Large-scale topping deformation occurred in the southwest stope of Changshanhao Open-pit Gold Mine in Inner Mongolia.Through systematic investigation of the engineering geological conditions and rock mass structure types, the deformation characteristics ...
Tao Zhigang   +4 more
doaj   +1 more source

Study on Temperature Field Evolution and Frozen Wall Closure Judgment Criteria of Inclined Shaft under Inclined Holes Freezing Condition

open access: yesGeofluids, 2022
A similarity experiment study is conducted to investigate the evolution characteristics of temperature field and frozen wall closure judgment criteria for the inclined shaft, under inclined holes freezing condition using an adjustable-angle freeze ...
Chi Zhang   +4 more
doaj   +1 more source

Application of Multifractal Theory for Determination of Fluid Movability of Coal-Measure Sedimentary Rocks Using Nuclear Magnetic Resonance (NMR)

open access: yesFractal and Fractional, 2023
A precise evaluation of the fluid movability of coal sedimentary rock is crucial to the effective and secure utilization of coal measures gas reserves. Furthermore, its complex pore structure and diverse mineral components impact the flow properties of ...
Na Zhang   +4 more
doaj   +1 more source

Research on Supporting Measure at Intersection of Inclined Shaft and Major Tunnel in Highway

open access: yesAdvances in Civil Engineering, 2020
The deformation characteristics of the rock mass in the intersection between the Muzhailing highway tunnel and the inclined shaft is a complicated three-dimensional problem.
Xiaoming Sun   +4 more
doaj   +1 more source

The Deep Underground Science and Engineering Laboratory at Homestake

open access: yesJournal of Physics: Conference Series, 2008
The National Science Foundation and the international underground science community are well into establishing a world-class, multidisciplinary Deep Underground Science and Engineering Laboratory (DUSEL) at the former Homestake mine in Lead South Dakota.
openaire   +1 more source

Distribution Law of Deep Complex In Situ Stress and Influence of Underground Engineering in Huanghuai Area

open access: yesScientific Programming, 2022
Huanghuai area is rich in coal resources, but due to the increasingly complex geological environment faced by coal mining, the complexity of structural stress is one of the main problems. In order to find out the distribution law of deep in situ stress in the Huanghuai area, the in situ stress measurement data of 81 effective measuring points in 24 ...
Wenbin Tao   +4 more
openaire   +1 more source

Source analysis of acoustic emissions during granite strain burst

open access: yesGeomatics, Natural Hazards & Risk, 2019
The acoustic emission (AE) location technique and fault-plane solution method were used to evaluate the temporal-spatial evolution, released energy variation of micro-cracks, and the difference in b-values for different types of micro-cracks during ...
Yang Wang   +4 more
doaj   +1 more source

State-of-the-art review of geotechnical-driven artificial intelligence techniques in underground soil-structure interaction

open access: yes, 2021
There has been an increasing demand for underground construction due to urbanization and limited land in metropolitan cities in the recent years. However, the behavior of underground structures in soils and rocks is often not completely understood.
Oh, E, Ong, DEL, Jong, SC
core   +1 more source

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