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Engineering characteristics
Gymnasium
Swimming Pool
1.Good wind resistance, snow resistance, seismic performance, high stiffness, high structural safety.
2.Large span,20 meters ~70 meters are easy to realize .
3.High degree of factory production,80% of the workload is factory based which is in accordance with the characteristics of national prefab building.
4.Easy to installas long as it has the crane.
5.Short construction period,500~1000 square meters can be installed in one day.
6.All kinds of three-dimensional modeling can be implemented.
Application area
Solutions
The roof of the gymnasium requires large span and large space, as well as good wind resistance, snow resistance and seismic performance, especially high safety performance. The space structure of BJMB caters to this characteristic, therefore the space frame structure of BJMB in the gymnasium we built, accounts for more than 80% of the overall quantity.
process description
1.Attention points in stadium space frame design:
The important coefficient of the structure must be amplified according to the use requirements. Natural disasters may be encountered, even if there is no requirement. Also, at least to be enlarged to 1.15-1.2 (specification requirements,but also have other considerations).
(1)More possible combinations are considered in load combinations,even those with less influence;
(2)Pay attention to the lower chord hanging lamps,maintenance of the horse road, suspended ceiling load, but also to consider the possibility of it reappearing in the future in the place of concentrated suspension load.
(3)Component calculation of strength should be more conservative and more safe,to consider and to enlarge any possible hazards. It shouldn’t be discounted because of the economy or the uncertainty of safety hazard.
(4)We should have an anticipation against wind,snow,earthquake and other extreme weather Ensure the safety of natatorium space frame from the design source!
2.Production process:
Comprehensive factory quality control must be carried out on materials,processing,welding and other aspects to ensure the quality of components. After the self-inspection, the material must be processed and checked by a third party again. After the processing, the material must be subjected to destructive inspection in the laboratory to ensure that the component quality is excellent before leaving the factory.
3.Installation process:
The installation quality is related to the safety of later use. For large stadiums,we suggest skilled Chinese workers to install them. Local workers are not recommended to undertake the installation of the main part, except for the roofing and other non-important parts. After installation, we will check and eliminate the possible hidden danger to ensure safety before use.