Results 71 to 80 of about 101,501 (201)
Geological discontinuities have a controlling influence for many rock-engineering projects in terms of strength, deformability and permeability, but their characterisation is often very difficult.
J. Shang, S. Hencher, L. J. West
semanticscholar +1 more source
An Efficient Second-Order Accurate and Continuous Interpolation for Block-Adaptive Grids
In this paper we present a second-order and continuous interpolation algorithm for cell-centered adaptive-mesh-refinement (AMR) grids. Continuity requirement poses a non-trivial problem at resolution changes. We develop a classification of the resolution
Borovikov, Dmitry +2 more
core +1 more source
This article investigates the acoustic properties of artificial discontinuities in reference specimens for the ultrasonic testing of welded joints in polyethylene pipes.
Aleksandr Shikhov +4 more
doaj +1 more source
Cluster, Classify, Regress: A General Method For Learning Discountinous Functions
This paper presents a method for solving the supervised learning problem in which the output is highly nonlinear and discontinuous. It is proposed to solve this problem in three stages: (i) cluster the pairs of input-output data points, resulting in a ...
Bernholdt, David E. +5 more
core
Development of an Automatic Rock Mass Classification System Using Digital Tunnel Face Mapping
To mitigate unforeseen incidents, such as key block failure or tunnel collapse during excavation, an appropriate support pattern that correlates with the geological conditions of the rock mass at the tunnel face should be designed.
Hyun-Koo Lee +3 more
doaj +1 more source
The open pit mining development begins with the opening of pits with the rock mass excavation and formation of slopes and berms for ore exploration. Knowledge about the geological conditions represents an important step in this process, since rock masses
Beatriz Guzzo Duz +4 more
doaj +1 more source
Loucura e razão: produzindo classes interativas
The article proposes a discussion of some present configurations of madness, reviewing, in the first moment, the ideas of Ian Hacking, in order to think this existence mode as an operative effect of a matrix that constitutes social interactive ...
Andrea Cristina Scisleski +1 more
doaj
Loucura e razão: produzindo classes interativas
The article proposes a discussion of some present configurations of madness, reviewing, in the first moment, the ideas of Ian Hacking, in order to think this existence mode as an operative effect of a matrix that constitutes social interactive ...
Andrea Cristina Scisleski +1 more
doaj
Coronal Alfven waves and the solar wind [PDF]
The observed properties of coronal Alfven waves in the solar wind at 1 AU are briefly reviewed, with some theoretical discussion of their probable effects on the dynamics of the expanding solar corona. It is concluded that coronal Alfven waves can have a
Belcher, J. W.
core +1 more source
Rigidity of reinforced concrete structures in the presence of different cracks
It is proposed a method for rigidity calculating of reinforced concrete structures in the presence of cracks, suitable for rod and flat-strained concrete composite structures.
Iakovenko Igor +2 more
doaj +1 more source

