An investigation has been performed to clarify the heat transfer characteristicsand flow behaviors of the spiral plate heat exchange with the non-circular pin fins, inwhich experimental study and numerical simulation are involved.

Stress evolution of an irregular pillar protected roadway system remained along goaf in fully mechanized top-coal caving mining field;

The control technique is proposed and employed through reinforcing irregular pillar in its two sides, installing a row of hydraulic prop and anchoring of roof strata which ha.

Design of reinforced concrete structure with special-shaped columns under horizontal seismic loading;

Experimental research and theoretical analyses on axial compression ratio of steel reinforced concrete special-shaped columns;

Theoretical analysis on shearing strength of top story exterior joints in R.C. frame structure with special-shaped columns;

Nonlinear analysis of steel reinforced concrete specially-shaped column;

Experiment research on seismic behavior of specially-shaped column frame;

Study on seismic behavior of fringe frame with rectangle columns at the bottom and specially-shaped columns at upper stories;

Method to calculate internal force of RC frames with special-shaped columns under horizontal load;

Experimental study on seismic behavior of steel reinforced concrete special-shaped columns;

Analysis and discussion on special-shaped column and short-pier shear wall;