Results 121 to 130 of about 464,941 (308)

Reliability analysis of support strategies in tunnel construction: Insights from geomechanical analysis of jointed rock masses

open access: yesResults in Earth Sciences
In this study, the dynamics of jointed rock masses in the challenging geological setting of the Himalayas, with a focus on tunneling activities and recommendations of support for jointing rock mass, were investigated. The jointing in Himalayan rocks mass
Naeem Abbas   +9 more
doaj   +1 more source

The 3D version of the finite element program FESTER [PDF]

open access: yes, 1992
In this report, a detailed description of the 3-D version finite element pro-gram FESTER is given. This includes: 1. A brief introduction to the package FESTER; 2. Preparing an input data file for the 3D version of FESTER; 3.
Qu, R, Reed, M B
core  

Solution‐Processed Nickel Oxide as Efficient Hole Transport Layers in Inverted Perovskite Solar Cells

open access: yesAdvanced Science, EarlyView.
This review summarizes recent advances in four mainstream solution‐based techniques for synthesizing NiOx hole‐transport layers for high‐performance perovskite photovoltaic cells, and highlights the key challenges and future prospects for achieving high efficiency, long‐term stability, and low‐cost perovskite photovoltaic technologies toward ...
Zheng Wu   +7 more
wiley   +1 more source

Tunnel surrounding rock joint recognition and rock mass integrity evaluation based on an improved YOLOv8-seg model

open access: yesDiscover Applied Sciences
Rock fractures significantly influence rock classification and engineering parameter determination. Traditional joint extraction methods are time-consuming, subjective, and error-prone, hindering intelligent tunnel engineering and compromising ...
Weihong Dong   +3 more
doaj   +1 more source

A New Representative Sampling Method for Series Size Rock Joint Surfaces. [PDF]

open access: yesSci Rep, 2020
Huang M   +5 more
europepmc   +1 more source

An experimental study on strength behaviour of Jointed Rock Mass through modelling under uniaxial compression tests [PDF]

open access: yes, 2008
Stability analysis of a rock mass is an important and complicated problem related to the safety of engineering buildings. One of the major tasks of engineering geomechanics is to evaluate the rock mass stability both qualitatively and quantitatively. The
Teja, P
core  

Imaging of a fluid injection process using geophysical data - A didactic example [PDF]

open access: yes, 2020
In many subsurface industrial applications, fluids are injected into or withdrawn from a geologic formation. It is of practical interest to quantify precisely where, when, and by how much the injected fluid alters the state of the subsurface.
Commer, M   +4 more
core  

Progress in Strain Engineering of 2D‐Integrated Heterostructures for Ultrasensitive Sensors

open access: yesAdvanced Science, EarlyView.
 . ABSTRACT Two‐dimensional (2D) integrated heterostructures have emerged as a cornerstone in the advancement of next‐generation sensor technologies. These heterostructures, which combine materials with different dimensionalities, have led to significant breakthroughs in sensing performance and device integration.
That Buu Ton   +4 more
wiley   +1 more source

Application of Microbially Induced CaCO3 on the Reinforcement of Rock Discontinuity

open access: yesApplied Sciences
Microbially induced calcium carbonate precipitation (MICP) is a technique used in geotechnical engineering to reinforce soil and rock. While it is commonly used for soil reinforcement, its application for rock reinforcement in saline–alkaline ...
Simiao Zhang   +3 more
doaj   +1 more source

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