It elaborates the kinds of bridge cracks,and analyzes the reasons of bridge cracks from two aspects including structural cracks and non-structural cracks,it also brings forward effective measure to reduce the damage of cracks to bridge,and prolong the using life of bridge.

Reasons and protection of non-structural cracks in concrete construction;

Study on the cause of non-structural cracks in cast-in-place concrete floor and control measures;

It elaborates the kinds of bridge cracks,and analyzes the reasons of bridge cracks from two aspects including structural cracks and non-structural cracks,it also brings forward effective measure to reduce the damage of cracks to bridge,and prolong the using life of bridge.

Cause of non-structural cracks of cast-in-place floor and its prevention;

From the angle of concrete construction, this article analyzed the cause, prevention of non-structural crack in concrete construction, and treatment method with epoxy grout for the harmful cracks.

Starting with the concrete construction character, the cause and the prevention and control measure of non-structural crack are analyse

Prevention analysis and treatment measures of steel bar concrete structure crack;

Has summarized the concrete structure crack present situation, analyzed it to have the reason, proposed the concrete structure crack prevention as well as the control strategy.

Study on the causes of structural cracks of buildings and quality control measures;

The control solution of the structural crack for mass concrete;

Based on the practice, this paper advances some measures for treating the structural cracks on the reinforced concrete, including the surface patching method and the internal patching method.