Orthogonal trail design method was used for reference to screen out 9 different kinds of aggregate gradation design scheme,and unconfined compressive strength test and dry shrinkage test were done to select out aggregate gradation composition design scheme,it s dry shrinkage strain is lower and it s compressive strength is higher.

Non-linear FEM analysis on moisture field and dry-shrinkage stress of thin-walled hydraulic concrete structures;

Research on shrinkage stress of concrete slabs with contact friction;

The shrinkage principle and the computing means and method of humidity,shrinkage deformation and shrinkage stress of sluice structure is studied.

Research on humidity field and dry contraction stresses of concrete slabs of rockfill dam;

Finite element simulation based on microscopic mechanism of concrete shrinkage deformation;

Value of shrinkage deformation under different humidity is recorded by micrometer gauge.

Based on comparing tests between the drying shrinkage of small type concrete block packed wall at different air hummidity and different restraint condition of steel bar length,the effect of the level-direction pulling steel bar on the drying shrinkage of small type concrete block packed wall were studied.