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Assessment of the Straightness Condition of the Overhead Crane Trestle in a Steel Structure

Kubicki R., Mrówczyńska M.

Quarterly of Environmental Engineering and Design

2018

Vol. 171 (51)

64--72

The article presents a geodetic method of assessing the straightness condition of an overhead crane trestle made in a steel structure. In particular, control measurements of overhead cranes and a course of action aimed at determining deviations of beam axles from design assumptions, as well as deviations from the planned range of the axles of the overhead crane rails have been discussed. The measurements were made using classic geodetic methods, and two methods - graphical and analytical - were used to develop the results. The graphic interpretation of the obtained results is also presented.

Sharing economy development paths in non-urban areas. The case of hospitality product in polish national parks

Pawlicz A., Kubicki R.

Ekonomia i Środowisko

2017

nr 4

166--176

Although the recent rise of sharing economy platforms revolutionized hospitality market around the world, its impact is unevenly distributed, as a majority of new P2P accommodation providers emerged in urban areas. The aim of this study is to provide sharing economy development paths in areas surrounding all 23 national parks in Poland. This study is conducted basing on data from online observation of 2 sharing economy platforms development with data gathered from official census. Results show that sharing economy is still in its nascent stage in non-urban areas; there is a strong positive relationship between sharing economy accommodation establishments and both the population density and income per capita, population density and income per capita have no effect on the ratio between the number of traditional and sharing economy accommodation establishments. This study contributes to existing literature in following areas: it assesses the sharing economy phenomenon in areas with natural attractions, it validates the relationship between area population density and sharing economy proliferation, it examines the connection between area economic performance and sharing economy proliferation.