LIFTING MECHANISMS FOR SMALL BUILDINGS – COMPARATIVE METHOD BASED ON VOLUMES AND TYPE TIME SCHEDULES
DOI:
https://doi.org/10.51704/cjce.2018.vol4.iss1.pp18-25Keywords:
Lift mechanism, self-erected crane, hydraulic manipulator, construction preparation, crane selection, small construction, economic criteriaAbstract
Construction technology preparation is a very important part of the construction process. The proper selection of the main lifting mechanisms depends on many factors and criteria such as crane position, load characteristics, economic criteria or time schedule possibilities. For the effective selection of small lifting mechanisms it is essential to compare candidates in particular the economic and technological criteria established during their deployment on the real construction. This paper presents own approach to assess the suitability of a small lifting mechanism for small construction based on an automated time schedule in combination with the volume characteristics of the structure. Case study comparing small self-erecting tower crane and mobile crane to prove the utility of this method is presented. A cost curve with a transition point depicted for a range of six small-scale structures with different building volumes is shown for each mechanism. A clear transition point was found at a building volume of 6030 m3.
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