Maintenance technology selection method under single disease of highway concrete bridge

Abstract

The invention belongs to the field of bridge maintenance, and particularly relates to a maintenance technology selection method under a single disease of a highway concrete bridge. The technical scheme is as follows: the method comprises the following steps: 1) determining a bridge maintenance technology selection index under a single disease; 2) quantifying the selection indexes; 3) determining weight values p1, p2 and p3 of each evaluation and selection index by using an analytic hierarchy process based on experts; and 4) calculating a comprehensive evaluation value of each maintenance technology by adopting a simple linear weighting method, and obtaining a bridge maintenance technology list under a single disease according to the comprehensive evaluation value of each maintenance technology. According to the maintenance technology selection method for the expressway concrete bridge under the single disease, the optimal maintenance technology under the single disease can be selectedaccording to the visual numerical calculation result, and therefore scientific decision making of bridge maintenance management is achieved.

Description

technical field [0001] The invention belongs to the field of bridge maintenance, and in particular relates to a maintenance technology selection method for expressway concrete bridges under single disease. Background technique [0002] In recent years, my country's economy has developed rapidly, and infrastructure construction has advanced rapidly. On the one hand, my country has built a large number of bridges. As of 2015, my country has built 765,456 bridges, of which concrete bridges accounted for more than 90%. At the same time, a large number of bridges are also facing various problems and need to be maintained, reinforced or even rebuilt; In order to increase the service life of concrete bridges, the maintenance and reinforcement of bridges is particularly important. [0003] At present, in the bridge maintenance work, there are multiple corresponding maintenance technologies for the same disease on the concrete bridge, and decision makers usually decide which mainte...

AI Technical Summary

Problems solved by technology

However, due to the different deterioration of the disease, the service life and application of the maintenance technology are also different. The maintenance technology selected by the decision-maker only based on the maintenance cost may fail due to multiple applications of the maintenance technology with poor comprehensive performance in the long-term maintenance process. increase cost

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