Français
4. Semicircular staircases
4.1 General
-
Definition
Semicircular staircases represent the second family, and correspond to structures with a non-rectilinear tread line.
This is made up of one or more (usually two) circular parts (quarter-circle or half-circle) connected to straight lines.
This layout requires irregularly shaped steps in sections where the stride line is circular (balanced steps).
The layout of these steps is called the swing.
-
Types
Semicircular staircases include :
flights with a "turning quarter", i.e. a part of the flight (generally at a...
The Ultimate Scientific and Technical Reference
This article is included in
Finishing work and technical packages
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Semicircular staircases
Circular staircases
Bibliography
Regulations
Décret n° 69-596 du 14 juin 1969 fixant les règles générales de construction des bâtiments d'habitation (art. 5)
Arrêté du 1 er août 2006 fixant les dispositions prises pour l'application des articles R. 111-19 à R. 111-19-3 et R. 111-19-6 du Code de la construction et de l'habitation relatives à l'accessibilité aux personnes handicapées des établissements...
Norms and standards
- Wooden staircases – Specifications (classification index: P21-211) - XP P 21-211 - 09-03
The Ultimate Scientific and Technical Reference
