Based on representative blasting engineering examples,the development history of engineering blasting in China since 1950 s was reviewed,three development phases were summarized,and the main achievements of fundamenta...Based on representative blasting engineering examples,the development history of engineering blasting in China since 1950 s was reviewed,three development phases were summarized,and the main achievements of fundamental theory,engineering practice,scientific study and industry organization of engineering blasting in each phase were introduced briefly.Finally,some suggestions about the development direction of engineering blasting in China were given.展开更多
Taking an actual maintenance project of an airport runway as an example, this paper introduces the related contents of runway maintenance management, and then introduces the maintenance management measures, including ...Taking an actual maintenance project of an airport runway as an example, this paper introduces the related contents of runway maintenance management, and then introduces the maintenance management measures, including regular maintenance, preventive maintenance and emergency repair, etc. Preventive maintenance of airport runway can be further divided into crack prevention repair, joint filling material replacement, road grouting repair and runway glue removal, etc. Through comprehensive summary, this paper hopes to provide effective reference for relevant personnel.展开更多
文摘Based on representative blasting engineering examples,the development history of engineering blasting in China since 1950 s was reviewed,three development phases were summarized,and the main achievements of fundamental theory,engineering practice,scientific study and industry organization of engineering blasting in each phase were introduced briefly.Finally,some suggestions about the development direction of engineering blasting in China were given.
文摘Taking an actual maintenance project of an airport runway as an example, this paper introduces the related contents of runway maintenance management, and then introduces the maintenance management measures, including regular maintenance, preventive maintenance and emergency repair, etc. Preventive maintenance of airport runway can be further divided into crack prevention repair, joint filling material replacement, road grouting repair and runway glue removal, etc. Through comprehensive summary, this paper hopes to provide effective reference for relevant personnel.
