38 Result(s)
within
Peitao **ao
Earth Sciences
English
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Article
Assessment of Coal Seam Strength Weakening During Carbon Sequestration: An Integrated Learning Approach
Carbon sequestration in deep, unmineable coal seams is a viable strategy for carbon reduction. However, the impact of CO2 on coal mechanical performance poses safety concerns for a reservoir. This study proposes ...
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Article
Anisotropic behavior of excavated layered rock mass subjected to compression considering the joint roughness
The failure mode of the surrounding rock disturbed by the excavation of layered fractured rock is dominated by the spatial distribution of the layered rock. The influence of joint roughness was thoroughly inve...
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Article
Study on damage anisotropy and energy evolution mechanism of jointed rock mass based on energy dissipation theory
The rapid development of roads and scenic spots in the suburbs of Bei**g has formed a large number of artificial slopes, creating conditions for geological disasters such as collapse. It is urgent to study th...
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Article
How did the Tonga volcanic tsunami on January 15, 2022, affect Chinese coasts?
At 12:15 on January 15, 2022 (Bei**g time), a massive eruption of the Hunga Tonga-Hunga Ha’apai volcano produced violent atmospheric fluctuations, which in turn generated a global tsunami through an abrupt ai...
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Article
Fracture propagation and permeability evolution mechanism of jointed rock mass in coastal mines
To study the fracture propagation mechanism and the permeability evolution of the fault fracture zone in coastal deep mines, the nuclear magnetic resonance (NMR) tests and the triaxial mechanical properties te...
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Article
How to identify tsunami prevention zones: a case study of Putuoshan Island in China
Tsunamis can cause massive damage and loss of life in coastal areas. This study uses Putuoshan Island as a case study to discuss ways to identify tsunami prevention zones based on the analysis of physical fact...
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Article
Mechanical behavior and failure modes of jointed rock mass based on rough discrete fracture network models
Rough discrete fracture network (RDFN) models which consider the joint geometry of rock masses were proposed. The uniaxial compressive strength (UCS) of RDFN models with different joint geometries was discusse...
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Article
Tsunami hazard and mitigation analysis for bathing beaches in China based on numerical simulations
Bathing beaches are usually the first to suffer disasters when tsunamis occur, owing to their proximity to the sea. Several large seismic fault zones are located off the coast of China. The impact of each tsun...
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Article
Study of Deep In-Situ Stress Field Based on Geological Structures
The deep in-situ stress field is the outcome of geological structure evolution, which also has a decisive influence on deep mining. Therefore, the characteristic of geological structure was analyzed first. The...
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Article
An efficient method to improve travel time delays of transoceanic tsunamis based on depth-correction scheme
This present study aims to reduce the systematic arrival time discrepancies between observed and modeled waveforms in the deep ocean effectively. We proposed an effective depth-correction method to mimic the s...
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Article
Numerical Simulation of Inrush Water Spreading Through a Mine: A Case Study of the Beixinyao Mine, Shanxi Province, China
Studies on risk assessment and prediction of inrush water in mines are available, but the evolution process of water inrush events is unclear, which makes it difficult to formulate control and rescue measures....
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Article
Shear behavior of synthetic rough jointed rock mass with 3D-printed jointing
Preparation of laboratory samples that have surfaces with complex but repeatable roughness distributions to study the mechanical behavior of jointed rock mass has been a challenge for experimental studies. In ...
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Article
Observations and modelling of the travel time delay and leading negative phase of the 16 September 2015 Illapel, Chile tsunami
The systematic discrepancies in both tsunami arrival time and leading negative phase (LNP) were identified for the recent transoceanic tsunami on 16 September 2015 in Illapel, Chile by examining the wave chara...
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Article
Numerical Simulation of the Influence of Flow Velocity on Granite Temperature Field Under Thermal Shock
Under thermal shock, the heat conduction between granite and fluid will lead to the redistribution of rock temperature field, while indoor thermal shock test cannot determine the distribution rule of temperatu...
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A review of mechanical properties and constitutive theory of rock mass anisotropy
Rock anisotropy is an intrinsic property of natural rock mass, and layered rock has the most significant effect on the stress distribution and deformation of a rock mass. With the development of rock mechanics...
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Article
Numerical study of the triggering mechanism of the 2018 Anak Krakatau tsunami: eruption or collapsed landslide?
The eruption and collapse of the Anak Krakatau volcano generated tsunamis in the Sunda Strait on December 22, 2018, leading to damage and casualties. In this paper, we use the two-layer model and nonlinear sha...
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Article
Influence of joint geometry and roughness on the multiscale shear behaviour of fractured rock mass using particle flow code
The geometry of natural discontinuities varies greatly, and the shear properties of joints are influenced by their geometry and roughness. The majority of the existing discrete fracture network (DFN) models si...
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Article
Hazard analysis of tsunami disaster on the Maritime Silk Road
The Maritime Silk Road is not only a passageway for business and trade, but also the road of friendship between eastern and western civilizations. The Indian Ocean tsunami in 2004 caused major damage to severa...
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Article
Application of double-yield model in numerical simulation of stability of mining filling body
Combined with the actual conditions of the middle section of the V# orebody of **ncheng Gold Mine, the criterion, the yield function, and the softening parameter of the double-yield model were studied. And the...
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Article
Was the North American extreme climate in winter 2013/14 a SST forced response?
This study analyzed the possible causes of the atmospheric circulation anomalies responsible for the severe North American (NA) climate in the winter 2013/14. The seasonal (December-January-February) mean circ...
