On the basis of analysis of the deterioration mechanism of Caigezhuang Arch Bridge,this paper proposes a scheme of comprehensive strengthening of the type of the bridges,including reinforcing of deck layers,enlarging of cross sections of arch rings,rigidly fixing of side walls of arch rings by steel members and adding of piles to substructure.

The comprehensive strengthening method of combining cement jet - grouting pile, sand bedding course with film covering geotextile is adopted in this paper to deal with slit precautions beside the sea.

The integrated strengthening technique of concrete structure from the viewpoint of the strengthening technique with carbon fiber sheets;

This paper discusses the economic features of intellectual poverty,and advances the value evaluation model for intellectual poverty,the synthetic weighted method.

The effects of these parameters on two measurement indexes are further researched by means of integrated evaluation method based on weighting factor, and t.