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Excerpt on Design Regulation

1,horizontal lading capability: over 500N/m for residential buildings, and over 1000N/m in crowded places or sections.
2, Balustrades material: material of balustrade should have good weather ability and wear ability. Wooden and other easily-aging material should not be in sun-baked and rain-drenched places like balcony. Outer-walkway, and roof of a building. The thickness of the metal profiles should comply with the following requirements.
1), stainless steel: thickness of the force-taking rods should not be less than 1.5mm, and not less than 1.2mm in other parts.
2), Profile steel: thickness of the force-taking rods should not be less than 3.5mm, and not less than 2.0mm in other parts.
3), Ferroalloy: thickness of the force-taking rods should not be less than 3.0mm. And not less than 2.0mm in other parts.
3, Balustrade height and spacing between pillars should comply with residence design criterion GB50096, as following. Height of balustrade in multi-storey buildings should not be less than 1.05m.  And not less than 1.1m in medium and high skyscraper buildings.  Balustrade in residence passages and in floor-height windows should not be less than 0.9m. Height of balustrade in stairway should not be less than 1.05m when the length of the balustrade is more than 0.50m.  The spacing between vertical screen members should not be more than 0.11m.  If non-vertical screen members are used, they should be in such a manner as to prevent children climbing on them.
4, Balustrade design should include not only the pattern, dimensions, material type, but also the structure details of the connections, installation, and specification code and wall thickness.
 
Remark:  The above content is excerpted from JG3002.3-92 << residence staircase, handrail, balustrade >>

 

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