Flood prevention retaining wall heightening structure for open section interval of metro

Abstract

The invention relates to a flood prevention retaining wall heightening structure for an open section interval of a metro. A newly-built retaining wall structure is arranged on the outer side of an open section existing retaining wall structure, the newly-built retaining wall structure comprises a retaining wall base and a prefabricated concrete baffle, and the height of the retaining wall base is flush with the height of the open section existing retaining wall structure. The prefabricated concrete baffle is arranged above the retaining wall base; the open section existing retaining wall structure and the newly-built retaining wall structure are arranged at a certain interval, and a maintenance channel serving as a drainage channel is formed between the open section existing retaining wall structure and the newly-built retaining wall structure. The flood prevention retaining wall heightening structure for the open section interval of the metro has the advantages that the requirement that train operation is not affected in the construction process is met, newly-added construction land is reduced as much as possible, compared with a traditional scheme that a heavy retaining wall is additionally arranged and heightened, more investment is economically saved, and the retaining wall structure is lighter and more attractive in overall attractiveness; and the flood prevention retaining wall heightening structure for the open section interval of the metro has great reference value for the design of flood prevention retaining wall heightening in the later city development.

Description

technical field [0001] The invention relates to the technical field of flood control structures, in particular to a heightening structure for a flood control retaining wall in an open section of a subway. Background technique [0002] With the development of the city, there are more and more urban roads, the hardened ground area is common, and the soil that can absorb and promote underground runoff is less and less, resulting in the city's insufficient ability to deal with heavy rainfall, and the height of the retaining wall structure designed according to the original flood control standard cannot To meet the requirements of heavy rainfall, there are often situations such as flooding of stations and open sections during heavy rains, which pose great safety risks to subway operations and people's safety. Contents of the invention [0003] The object of the present invention is to provide a heightening structure for the flood control retaining wall in the open section of th...

AI Technical Summary

Problems solved by technology

[0002] With the development of the city, there are more and more urban roads, the hardened ground area is common, and the soil that can absorb and promote underground runoff is less and less, resulting in the city's insufficient ability to deal with heavy rainfall, and the height of the retaining wall structure designed according to the original flood control standard cannot To meet the requirements of heavy rainfall, there are often cases of flooding of stations and open sections during heavy rains, which pose great safety risks to subway operations and people's safety

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