Abstract
The article introduces a potentia l use of a combination of the method of numerical modelling and experimental tests for the treatment of the structure of a wooden prefabricated staircase with one-sided suspended stairs. Numerical modelling was used to fi nd critical details, which were experimentally tested on partial models in the scale 1:1. The results of the numerical modelling in combination with experimental testing were used for designing a prototype of a wooden prefabricated staircase with one-sided suspended stairs. The designed prototype of a staircase in two versions was experimentally tested in the scale 1:1 in compliance with Czech design standards CSN 73 0035, CSN 73 2030 and ETAG008 – Guideline for European technical approval of prefabricated stair kits in edition January 2002 in terms of ultimate and serviceability state design.
Highlights
The results of the numerical modelling in combination with experimental testing were used for designing a prototype of a wooden prefabricated staircase with one-sided suspended stairs
Based on the results of numerical analyses from the 3D model, a prototype of a wooden straight prefabricated staircase was made from Scotch pine (Pinus sylvestris) with one-sided suspended stairs in two versions
In the first version marked A, the stairs were supported at the entry edge by a steel profile L 80 × 60 × 8 mm and at the exit edge by a distance element made of stainless steel (Fig. 6a) without being fixed to the bearing wall
Summary
When connecting two height levels during building of residential houses, the current trend is to use light and airy staircases with attractive and modern design. Staircases are often perceived by architects and end users, i.e. investors, as architecture elements that help to create a visual style and well-being of a modern home (Jiricna, 2001). The right choice of a staircase contributes to elegance, originality, and a unique style of a building (Karre, 2005). The choice of the construction system of staircases is related to the choice of material (Habermann, 2002). Various material alternatives are combined; for example it is possible to see frequent use of wood with other material, e.g. stainless steel, glass, stone and fibreglass. There are many examples of use of just a single material, most commonly wood
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