Calculations of the ultimate bearing capacity of concrete-filled steel tubular beam-columns with circular hollow section;

On the generalized variational principle of viscoelastic beam columns with damage;

Application of simplified softened strut-and-tie model in the design of interior reinforced concrete beam-column joints;

The following paper introduces the developing process of decorative art of architecture with wooden structure,and illustrates the decorative art of ancient architecture from door and window,caisson ceiling,beam column,flat arch and indoor furnishings,which to offer a reference for designers.

Some technical methods are used to make construction convenient when different strength grade concrete is used in the joint of beam and column in high building.

Sparging concrete has higher strength and durability,has a strong binding power with constructed concrete and concrete reinforcing bars and is used for additional strength process for beam and column of building.

Analysis of ratio of axial compressive force to resisting shear strength of reinforced concrete beam-column joints;

Research into fracture of steel frame beam-column joints;

The influence factor to the ultimate bearing capacity of concrete beam-column joints with placed ducts under axes-pressure;

The seismic resistant design method of reinforced concrete beam-column connections based on compression strut and softened truss models;

Therefore, the study on the behavior of the beam-column connections to improve ductility as well as to prevent brittle failure was carried out in this research.

Three-dimensional finite element method was employed toinvestigate the effect of the strength mismatching of the groove heamflange welds on the fracture toughness requirements in terms of crack tipopening displacement in welded beam-column connections, which pro-vides valuable suggestions for the design of beam-column connections andselecting welding materials.