1, this standard specifies technical requirements and testing rules for residential metal balustrades, and metal, plastic and wooden handrails. This standard applies to residential metal balustrades and metal, plastic and wooden handrails.
2, References standard:
JGJ37 construction design principles (provisional) under GBJ96 residential building design criteria JGJ18 Regulation of welds of steel bar and its inspection under GB19 construction structure load GBJ301 inspection and judgment on Quality standard of construction installation.
3, terms
3.1 Staircase is the combination consists of one or more consecutive stairs and platforms which are used for connecting construction planes of different levels.
3.2 Step is the tread and consists of and horizontal step plates (or without kick plates.)
3.3 Handrail is the fitting of strip shape which is fixed on the wall or balustrade.
3.4 Balustrade is the separation facilities installed at the edge of staircase and platform with some rigidity and security.
3.5 Stair well is the spatial void enclosed by staircase and platform edge.
