Research And Application Of New Steel - Concrete Composite Fasting Sandwich Plate Floor

At present, domestic has published the technical regulation of reinforced concrete open-web sandwich plate, and then the build structure of reinforced concrete open-web sandwich plate approve with excellent building function, mechanics characteristic and economy their extensively. But no matter any structure, it is the pluses and minuses coexist, it still has structural latent energy that can be excavated in other words.This subject is exactly on the basis of essential structure and mechanics characteristic of the reinforced concrete open-web sandwich plate, rib net change into U stencil plate make lower rib net up armored concrete its, U stencil plate stage makes the template in construction among them, make and receive the strength reinforcing bar during the course of using, form the new steel—concrete makes the intermediate layer board of the concrete open-web sandwich plate up.This subject apply "steel, concrete hanged phosphorus gypsum make open-web sandwich plate stamp and preparation method up" patent for invention on March 1 2006, application No.: 200610200188.X, publication number: CN1811094A. To the connection of the U stencil plate, this subject has innovated the bolted joint of the high strength of adopting, having dispelled the stress of welding, it is out of shape to control the welding of the U stencil plate effectively, make the amount of homework welded of construction site reduce greatly.This subject has carried on the deep theory analyzing and model test of 1:1 to like this department's space structure of new board, propose practical computing technology on the basis that the theory analyzed, utilize finite element software ANSYS and practical computing technology to the same to charge example go on detailed comparison, what need strengthening is arranged on obtaining dependability and structure of the practical computing technology. Succeed in applying to the public construction work of a large span and practicing finally.Theory and practice prove, such new board department space structural rigidity heavy, one's own characteristic to give full play to material, it is one that worth new board department's space structure that popularize and apply among large span multi-layer public buildings and industrial factory building structure.