Design and application of the big volume shrinkage-compensating concrete which is continuously constructed;

Restraining the shrinkage and crack of concrete by using of expansive agent has been an effective controlling method since the setting of shrinkage-compensating theory.

The shrinkage-compensating effect of expansive agent on high performance concrete has been evaluated based on the research of its influence on the capabilities such as strength, expansion-shrinkage, anti-crack etc of high performance concrete of 50～100MPa.

The application of expansive agents in compensating shrinkage of concrete;

Experimental study on deformation and mechanical properties of compensated shrinkage concrete in different restrained conditions;

Research on the stress-strain model of compensated shrinkage concrete flat plate

From the dry-cracking and temperature cracking,the paper analyzes the main reasons for the leakage of the concrete structure,points out the way of mixing proper percentage U expansion agent in common concrete,explores the compensated shrinkage principle,and illustrates some ideas on the compensated shrinkage concrete projects.