This article evaluates and compares the punching shear behaviour of unbonded prestressed concrete (UPC) slab - concrete-filled steel tube (CFT) column connections/joints with that reinforced (RC) connection – CFT connections. The experimental program was carried out on five large-sized samples, including three UPC samples two RC samples. Steel plate details were utilised to increase bond betwee...

The article contains a brief historical essay on the main ideas for calculating systems composed of thin-walled rods open profile. approaches to calculation these taking into account inequality nodal deplanations are analyzed.
 It is proposed use finite element method using thin and specially constructed superelements as elements, which take participation joints. stiffness matrix rod 14th ...

Abstract The L-type steel column studied here is a special-shaped composed of square pipe and two T-shaped steel, which are connected by weld. Because the columns have better properties than ordinary columns, it may be wildly used in residential structures. Therefore, quite valuable to study bearing capacity stability new columns. Three specimens tested, behaviour deformation, distribution disp...

Due to lack of the proper and well behavior of steel moment-resisting connections subjected to the great and major earthquakes, excessive researches have been conducted to mitigate the damages on the primary elements and connections. Therefore, elimination of residual drift and increasing the plastic rotation capacity for the connectors in the panel zone are required. The main purpose of this s...

Being economical and performing well under cyclic loads, steel sections filled with concrete have been widely used in structural buildings. Extensive studies and experiments have been conducted to investigate the influence of different parameters and loadings on the behavior of these structural components. Based on the data available from previous experiments and studies, this paper discusses t...

the effect of welding residual stresses that was created in thin infill plate of steel plate shear wall system during constructional processes was studied in this research. residual stresses in a welded structure is the result of the non-uniform expansion and contraction and plastic deformation of the weld and surrounding base metal due to heating and cooling cycle, during welding process, this...

Cold-formed thin-walled steel has light weight, large width thickness ratio, good economy and seismic performance. It is easy to realize standardization of design, very suitable for the development prefabricated buildings. Due ratio cold-formed , plate prone local buckling when it compressed, which will reduce ductility bearing capacity structure, also leads limitation use structure system in m...