Concrete Filled Rectangular and Square Steel Tubular Column (CFRC) structurehas a good ductility, plasticity, anti-earthquake, and so on.

Through the test of Concrete-filled Rectangular Tubular (CFRT) of TD and VS by nonmetal Supersonic Flaw Detecting Apparatus, the status of gap under the exterior forces is analyzed.

Method for calculation of skeleton curves of connections of concrete-filled steel square tubular columns with inner diaphragms;

Discussion on the types of concrete-filled steel square tubular column and steel beam joint;

Experimental research and theoretical analysis on flexural capacity of connections for concrete-filled steel square tubular columns with inner diaphragms;

Experimental study on seismic performance of vertical stiffener joints between concrete-filled square steel tubular column and steel beam;

Experimental study on load-bearing capability of connection between concrete-filled square steel tubular column and steel beam;

Tensile behavior of connection between concrete-filled square steel tubular column and steel beam;

Many researches have been researched about Rectangular concrete-filled tubular in and out our country, most focus on performance of rectangular concrete-filled tubular column and design methods.

Study on mechanical behavior of concrete-filled square tubular column and steel-concrete composite beam with reduced beam section joints