The building is made by space frame steel structure, because the building shape is so special, not a common tangile shape, concrete structure can not meet the special shape demand. It is used as a public building, so we have to consider make the design to be as beautiful as we can, and this type steel structure is easy to shape to be different shape, also not very heavy as industry used steel building.
All support is made by pipe, the connection between the pipe is high strength bolt, it ensure the full support safety. Also the support part is made by special strength steel, which is safety enough for the entire building.
Purlin: white painting small pipe as purlin to fix the glass and membrane materials.
Roof panel: at the center of the roof, used glass as roof cover to meet client's sky light requirement. other part use membrane materials to cover, because it is a public place, not a industry place.
Rain gutter: gutter made by steel, in order to extend the gutter life time and prevent rust when it touched with rain water, we galvanized the steel gutter.
Downpipe: use 110mm diameter PVC pipe as rain water down channel.
Door: glass door as it is public gym stadium.
Normal bolt use 25*45
Foundation bolt use M24 specification, which is the standard bolt for small workshop.