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Critical setback distance for a footing resting on slopes
Rajesh Prashad Shukla, Ravi Sankar Jakka, 2017, izvirni znanstveni članek

Opis: Structures are often constructed on slopes in hilly regions, which results in a lack of soil support on the sloping side of the footings. This causes a reduction in the bearing capacity of the footings. Though there are number of studies about foundations on slopes, most of these studies are confined to surface footings only (i.e., without the depth of embedment). Furthermore, there is no consensus in the literature over the influence of the setback distance on bearing capacity. This paper presents the results of finite-element analyses on a strip footing resting on stable slopes. A very large number of possible soil slopes with different footing depths were analysed. From the results it is found that the critical setback distance increases with an increase in the internal friction angle of soil, the depth of the footing and the slope gradient. The critical setback distance is varying between 2 to 4 times the footing width for soils with a low internal friction angle, while it is more than 10 times the footing width for soils with a higher internal friction angle. A regression equation is also developed based on the outcomes of the study. The developed equation is able to predict the influence of various parameters affecting the bearing capacity of a footing resting over the slopes. The results are compared with earlier experimental and numerical studies.
Ključne besede: bearing capacity ratio, cohesionless soil, footing, setback distance, slopes
Objavljeno: 18.06.2018; Ogledov: 551; Prenosov: 53
.pdf Celotno besedilo (1,53 MB)
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Influence of modern cableways on the development of mountain tourist centres
Sergej Težak, Ivan Mavrin, Ivo Jurić, 2005, kratki znanstveni prispevek

Opis: The paper studies the problem of constructing cableways with advanced technology and their influence on the operation and development of cableway companies from several aspects. Modern cableways with detachable grips enable faster carriage of passengers. They have the possibility of transporting more passengers over the same distances. Recently, this trend of introducing modern cableways has been particularly present in chairlifts which carry skiers. Such chairlifts with detachable grips allow transport of skiers over greater distances and therefore must have respective ski slopes covering wider areas which in turn affects the expansion of the mountain tourist centres. The chairlifts with detachable grips require more knowledge and personnel to manage and maintain them, as well as more investment capital.
Ključne besede: cableways, grips, skiing, ski slopes, winter tourism, mountain tourist centres
Objavljeno: 02.06.2017; Ogledov: 487; Prenosov: 95
.pdf Celotno besedilo (2,78 MB)
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