Multi-storey Steel Structure Housing The Technical And Economic Analysis

In the end of 1990's, with great increasing of steel output, it provides architecture industry with ample repertory of raw and processed materials, one new pattern structural system -- steel frames system house have been widely attached importance and opened out and researched. By far, the research of this system has come generally into the phase of startup, one side this new pattern is studied and practiced by the architecture industry, some steel frames system houses have been made experiments and much constructive experience and technological production have been obtained; one the other hand, some desiderate undone technical problems have been found in practice.Steel frames system houses were considered as investigative object, through classified and contrastive investigative way, comprehensive technical research is carried through in this paper.Firstly, in allusion to constructional degree in the factory, construction structure and efficiency, using amount of steel, scope and structural cost, in this paper it was put up comprehensive compare and analyse to using type of steel in steel frames system houses, choice of residential system, wall material and fireproofing, as well as node conformation, thus, according as actual circumstances, good scheme may be selected.Secondly, in allusion to earthquake intensity in different area, some corresponding structural types were provided, at the same time, the rationality and economy of structural system were also explained by calculation. By example, it was approved that it was more rational and economic to adopt steel frames system compared with steel frames and tube structure system for multiplayer residential building in 6 degree aseismatic area. For one to three-storey residential steel building in 8 degree aseismatic area, pure frame structure may be adopted; For six to six-storey above residential steel building, in order to increase the rigidity of structure and fulfill the demand of interlayer- horizontal displacement and total lateral sway rigidity, frame structure - supporting system may be adopted. Meantime, by dint of the SBS- PSC residential steel building system that opened out by one Inc. of Peking, it has been proved that steel frame structure - concrete inner core system is feasible and economic in 8 degree aseismatic area. This result incarnates corking reality meaning for the application and generalization of multiplayer residential steel buildings.Thirdly, in this paper some actual and effective technical parameters were cited in practical projects, economic benefit of residential steel buildings was analyzed in detail, the difference and merit rating between residential steel buildings and concrete residential buildings were reflected all-around. At last, according as evaluation result, the developmental direction of residential steel buildings was put up.