The influence of the dimension and configuration of geometric imperfections on the static strength of a typical façade scaffolding

• Autorzy: Błazik-Borowa E. , Gontarz J.

Identyfikatory

DOI

10.1016/j.acme.2015.11.003

• Języki publikacji: EN

Abstrakty

EN

This paper describes the results of static non-linear calculations in reference to a typical facade scaffolding. The influence of the dimension and localisation of imperfections was analysed in the researches. It was found that the geometrical imperfections cause the increase of internal forces, and the highest increase occurs in the lowest elements. Higher normal stresses were also obtained when imperfections were modelled as regular horizontal displacements of decks than in the case, when they were arranged according to the form of buckling. The magnitudes of imperfections primarily influence the increase of the internal forces in the standards of frames and bracings. Internal forces in bracings are responsive mainly to imperfections parallel to the scaffolding, regardless of the type of load. In contrast, internal forces in standards are sensitive to imperfections in any direction, but mainly when the scaffolding is subjected to a vertical load.

Słowa kluczowe

EN

frame scaffolding; imperfections; static calculations; critical buckling analysis; finite element method

PL

obliczenia statyczne; wyboczenie; metoda elementów skończonych

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2016
• Tom: Vol. 16, no. 3
• Strony: 269--281
• Opis fizyczny: Bibliogr. 12 poz., rys., tab., wykr.

Twórcy

autor

Błazik-Borowa E.

• Lublin University of Technology, Faculty of Civil Engineering and Architecture, 40 Nadbystrzycka St., 20-618 Lublin, Poland

autor

Gontarz J.

• Lublin University of Technology, Faculty of Civil Engineering and Architecture, 40 Nadbystrzycka St., 20-618 Lublin, Poland

Bibliografia

• [1] R.G. Beale, Scaffold research — a review, Journal of Constructional Steel Research 98 (2014) 188–200.
• [2] S.M. Whitaker, R.J. Graves, M. James, P. McCann, Safety with access scaffolds: development of a prototype decision aid based on accident analysis, Journal of Safety Research 34 (2003) 249–261.
• [3] E. Błazik-Borowa, J. Szer, The analysis of the stages of scaffolding ‘‘life’’ with regard to the decrease in the hazard at building works, Archives of Civil and Mechanical Engineering 15 (2015) 516–524.
• [4] J.L. Peng, S.L. Chan, C.L. Wu, Effect of geometrical shape and incremental loads on scaffold systems, Journal of Constructional Steel Research 63 (2007) 448–459.
• [5] M. Pieńko, E. Błazik-Borowa, Numerical analysis of load-bearing capacity of modular scaffolding nodes, Engineering Structures 48 (2013) 1–9.
• [6] T. Chandrangsu, K.J.R. Rasmussen, Investigation of geometric imperfections and joint stiffness of support scaffold system, Journal of Constructional Steel Research 67 (2011) 576–579.
• [7] T. Chandrangsu, K.J.R. Rasmussen, Structural modeling of support scaffold system, Journal of Constructional Steel Research 67 (2011) 866–875.
• [8] H. Zhang, T. Chandrangsu, K.J.R. Rasmussen, Probabilistic study of the strength of steel scaffold system, Structural Safety 32 (2010) 393–401.
• [9] EN 12810-1: Façade scaffolds made of prefabricated components – Part 1: Products specifications.
• [10] EN 12811-1. Temporary works equipment – Part 1: Scaffolds – Performance requirements and general design.
• [11] EN 1993-1: Design of steel structures – Part 1: Generals rules and rules for buildings.
• [12] A. Robak, Capacity analysis of steel scaffolding decks, Civil Engineering and Architecture 13 (2) (2014) 357–365.

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę