Structure of felting bridge floor made from steel box girder in large span

Abstract

This invention is a structure of long span steel beam and its pave method. It is especially use to pave the bridge directly with the different nature steel plate on the bridge surface. This structure is: the higher layer is epoxy pitch cement, lower layer is pouring pitch cement, on the steel beam bridge surface is water-proof layer, on the layer is lower binding layer, on the lower binding layer is pouring pitch cement layer, on the layer, is higher binding layer, on the layer is epoxy pitch cement. The steps of pavement are: a) Sprinkling water-proof layer on the cleaned and anti-corroded steel bridge surface plate; b) Sprinkling lower binding layer; c) Spread out the mixture pitch materials on; d) Sprinkling higher binding layer; e) Spread out higher layer of epoxy pitch cement; f) When the degree of solidify intensity of epoxy pitch cement reach to 85%, the natural maintained for the steel bridge surface sprinkling are finished.

Description

technical field [0001] The invention relates to a long-span steel box girder bridge deck pavement structure, in particular to a bridge deck pavement structure directly laid on orthotropic steel plates, belonging to the technical field of transportation engineering. Background technique [0002] With the rapid growth of my country's economy, a number of long-span highway bridges across rivers and seas have started construction one after another, and have been completed and opened to traffic one after another. In the history of bridge construction in my country, there has been an unprecedented upsurge in the construction of long-span bridges. Among them, the orthotropic steel bridge deck system has been more and more used due to its light weight and economy. [0003] Researches at home and abroad show that the stiffened steel box girder is one of the effective main girder structures, and it is an ideal structural system in terms of its strength and we...

AI Technical Summary

Problems solved by technology

Premature high-temperature rutting, lateral pushing, cracking and other diseases of the steel bridge deck pavement not only endanger the safety of high-speed driving, but also affect the service life of the steel bridge deck, and also cause certain social impacts

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