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Microcrack repair and maintenance of the airport runway
Project name: Shaanxi Pucheng civil aircraft test flight airport runway micro fracture repair and replacement of traditional maintenance materials test.
Key use of Jiagushi: microcrack repair and maintenance
Project address: Pucheng, Shaanxi Province
Construction time: September 12,2019
Construction report:
Repair test selected 5 warehouse sections on the runway, a total of 125 square meters for repair test.On December 3, the standard construction process was adopted for spraying construction, and after the construction, the geotechnical cloth sprinkler water will not be covered for maintenance after one week.Half a year later, after site observation and after construction.The concrete appearance was not significantly changed.Good restoration is good.
The taxiway part was selected for the curing test, and the original liquid spraying, 1:2,1:3 dilution after spraying to replace the original curing agent.Half a year later, after the site observation and the construction unit, the supervision unit feedback information: the effect is good, not only the amount of hair and thread crack is greatly reduced compared with the original maintenance agent.During the process of construction, the curing speed of the block concrete using Jiaji maintenance has been significantly accelerated.The maintenance of the original curing agent takes one week before the construction and three days after the construction of the next warehouse section.