This paper analyzes the influence of SRA on the shrinkage-cracking property of HPC by designing five check-up experiments including desiccation-shrinkage,autogeous shrinkage,fiat-restraint,anti-chloride ion penetration and ultimate tensile strain.

This paper is to analyze the effect on shrinkage-cracking property of HPC by flyash by designing five check-up experiments such as desiccation-shrinkage,small steel rings restraint,hydration heat,ultimate tensile strain,and anti-chloride ion penetration,etc.

This paper is to analyzed the influenced effect on shrinkage-cracking property of HPC by SRA, by means of designing five check-up experiments such as desiccation-shrinkage、autogenous shrinkage、flat-restraint、anti-chloride ion penetration and ultimate tensile strain etc.

Contributing factor of concrete shrinkage crack and its prevention;

The causes and control of shrinkage cracks of concrete;

Analytical prediction and experimental research on shrinkage cracking of restrained early-age concrete;

Influence of GGBFS content on shrinkage cracking of concrete;

An experimental study on shrinkage cracking of thin slab structure concrete with fly ash;

Treating and mending of slight shrinkage cracking is not quality accident;

Aim at Shrinkage cracking phenomenon that appears during the pouring construction with cantilever method in the droughty northwest, this paper gave the theoretical and empirical analysis, expounded the causation, put forward the efficient way to prevent the appearance of shrinkage cracking.

The test result shows that the concrete toughness,anti-deformation and leakage,freezing-thaw resistance and controls the shrinkage cracking in the early period are improved by mixing the improved polyester fiber.

Study on measures for avoiding the contraction cracks of faceslab concrete;

So,controlling horizontal crack produced is important for improving the quality of asphalt pavement,controlling and research the producing cause of contraction crack in semi-rigid basement has much positive meanings.

It analyzes the damage characteristics and formation reasons of the contraction crack,structural crack and alkali-aggregate reaction crack,and brings forward corresponding prevention measures,which will increase the beauty effectiveness of buildings and increase the service quality of wall surface.