Technology Applicability Analysis Of Managing Bridge Flooring Early Disease By SPRR

With the development of economy, the number of bridge increase year by year, bridge flooring damage began to appear. The bridge maintenance transform from passive maintenance to scientific maintenance, after the full implementation of the preventive maintenance, some of new type of preventive maintenance technology was also gradually promotion and use. In understanding current domestic situation and international develop trend, the author carried out the research of asphalt pavement surface penetrate rejuvenate restore technology.This paper puts forward the common diseases of bridge asphalt flooring, analyzed asphalt pavement surface penetrate rejuvenate restore technology about application conditions, Technology mechanism and Construction technology. Then based on the actual data obtained by engineering, can establish the model of Asphalt pavement surface penetrate rejuvenate restore technology effect by AHP and grey. In the final analysis, summarizes the principle and the superiority of asphalt pavement SPRR technology.The results show that:①Technology mechanism of asphalt pavement curing compound include penetration mechanism, regeneration mechanism and crack fill sealing mechanism, it has strong penetration ability to supply the aggregate of combination between asphalt material, it can penetrate the asphalt mixture surfacing and activate regeneration asphalt. Ultimately, it can improve pitch performance aging. It can closed surfacing of the crack surface, and reduce water creep. It also can prevent moisture and air into the internal flooring and cause the destruction of the beam body structure.②It can effectively improve the surfacing of the friction coefficient, texture depth and water creep coefficient, what is more uniformity than before construction. Thus, it improves the performance of the bridge deck driving.③Seepage coefficient test for bridge deck asphalt mixture surfacing maintenance effect influence degree is the largest, surfacing surface effectively sealed and it improves the waterproof properties of bridge deck. Asphalt pavement surface penetrate rejuvenate restore technology has reached the applicability of requirements of the bridge flooring early treatment of diseases.④Four of the bridge are not significant correlation, prove the asphalt pavement SPRR technology has reached the bridge deck pavement early treatment of diseases the applicability of requirements. At the same time, by the fuzzy model proof, the asphalt pavement SPRR technology to bridge asphalt pavement maintenance quality condition after the results as "excellent".⑤sphalt pavement surface penetrate rejuvenate restore technology is lowest cost in all kinds of preventive maintenance technology at equivalent annual. At the same time, it can increase color and protect environmental.