نتایج جستجو برای: mining slopes

تعداد نتایج: 100964  

Journal: :Mining of Mineral Deposits 2021

Purpose. This study aims to identify the main factors that influence flooding process of remaining gaps open-pits comprising essentially velocity and duration flooding, but also stability in situ dump slopes during after water quality order ensure takeover future function land as soon possible safety objects local communities. Methods. Establishing three categories from a quantitative qualitati...

Journal: :Geotechnical and Geological Engineering 2022

Rainfall leads to the deterioration of slope stability conditions, while intense rainfall has been commonly associated with landslides on natural or engineered slopes. Deep excavations, typically related geo-resources exploitation, e.g., in case surface mining, are often affected by events that jeopardize their stability. In this work, infiltration is directly incorporated analysis; investigati...

Journal: :The Journal of the Acoustical Society of America 1997
G S Donaldson N F Viemeister D A Nelson

Temporal-integration functions and psychometric functions for detection were obtained in eight users of the Nucleus 22-electrode cochlear implant. Stimuli were 100-Hz, 200-microseconds/phase trains of biphasic pulses with durations ranging from 0.44 to 630.4 ms (1 to 64 pulses). Temporal-integration functions were measured for 21 electrodes. Slopes of these functions were considerably shallower...

K. Esmaili and J. Abrishami,

Many studies have been conducted on the characteristics of hydraulic jumps over horizontal basins. On sloping basins, however, few such studies have been performed so that the issue requires more investigation. A significant number of studies has also been conducted on basins with positive slopes but comparatively few have been carried out on basins with negative slopes. This study was carried ...

2013
Vasco M. N. C. S. Vieira Joel Creed

Determining the significance of slope differences is a common requirement in studies of self-thinning, ontogeny and sexual dimorphism, among others. This has long been carried out testing for the overlap of the bootstrapped 95% confidence intervals of the slopes. However, the numerical random re-sampling with repetition favours the occurrence of re-combinations yielding largely diverging slopes...

Journal: :Math. Comput. 2007
Jim Hoste Patrick D. Shanahan

We describe an algorithm for computing boundary slopes of 2-bridge links. As an example, we work out the slopes of the links obtained by 1/k surgery on one component of the Borromean rings. A table of all boundary slopes of all 2-bridge links with 10 or less crossings is also included.

Journal: :iranian journal of science and technology transactions of civil engineering 2015
m. jahanandish d. azan

soil slopes are sometimes curved in plan rather than being straight. this curvature,especially when it is convex, decreases the bearing capacity of the slope. finite element methodhas been used here in this research to investigate the reducing effect of curvature on bearingcapacity of a slope. failure of soil has been assumed to be according to mohr-coulomb criteria;but the flow rule of the soi...

2016
Kolja B. Knauer Bartosz Walczak

We consider drawings of graphs in the plane in which edges are represented by polygonal paths with at most one bend and the number of different slopes used by all segments of these paths is small. We prove that d 2 e edge slopes suffice for outerplanar drawings of outerplanar graphs with maximum degree ∆ > 3. This matches the obvious lower bound. We also show that d 2 e + 1 edge slopes suffice ...

Journal: :Archaeological and Anthropological Sciences 2021

Abstract Colluvial sediments originating from soil erosion on slopes have proven to constitute significant evidence for tracing past human impact mountain landscapes. In the Central European Erzgebirge (Ore) Mountains, colluvial are associated with specific landforms (footslopes, slope flattenings, dells) and cover a share of 11% (11,905 ha) regional landscape. Thirteen pedosedimentary sections...

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