An assembled prefabricated polymer composite bridge deck pavement board and its preparation method
A bridge deck pavement and polymer technology, applied in the erection/assembly of bridges, bridges, applications, etc., can solve the problems of greater harm to the human body and the environment, short service life, a large amount of asphalt smoke, etc., to reduce energy consumption and delay Effect of shear failure and accelerated construction
Active Publication Date: 2021-07-02
HARBIN INST OF TECH
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Problems solved by technology
[0004] The present invention is to solve the problem that the existing asphalt concrete bridge deck pavement materials are prone to high-temperature rutting, low-temperature cracking and other early diseases, and the service life is short; the construction technology is mostly hot-mix construction, which is inconvenient and consumes a lot of energy; Asphalt fumes are more harmful to human body and environment, and provide a prefabricated prefabricated polymer composite bridge deck pavement board and its preparation method
Method used
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specific Embodiment approach 1
[0017] Embodiment 1: In this embodiment, an assembled prefabricated polymer composite bridge deck pavement board is composed of polymer binder, aggregate and mineral powder; the mass fraction of the polymer binder is 8% ~12%.
specific Embodiment approach 2
[0018] Embodiment 2: This embodiment is different from Embodiment 1 in that: the polymer binder is epoxy resin or polyurethane resin. Others are the same as the first embodiment.
specific Embodiment approach 3
[0019] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the aggregate and mineral powder are graded according to the performance requirements of the bridge deck pavement. Others are the same as those in Embodiment 1 or 2.
[0020] The principle of grading in this implementation mode refers to the "Technical Specifications for Construction of Highway Asphalt Pavement".
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Abstract
An assembled prefabricated polymer composite bridge deck pavement board and a preparation method thereof relate to an assembled prefabricated polymer composite bridge deck pavement board and a preparation method thereof. The present invention is to solve the problem that the existing asphalt concrete bridge deck pavement materials are prone to high-temperature rutting, low-temperature cracking and other early diseases, and the service life is short; the construction technology is mostly hot-mix construction, which is inconvenient and consumes a lot of energy; The asphalt fumes are harmful to the human body and the environment. The prefabricated prefabricated polymer composite bridge deck pavement board is a prefabricated fully waterproof bridge deck pavement that is prefabricated by curing a polymer adhesive with certain graded aggregates and mineral powder at room temperature. layer board. The invention is not only suitable for pavement of concrete bridge deck, but also suitable for pavement of steel bridge deck.
Description
technical field [0001] The invention relates to an assembled prefabricated polymer composite bridge deck pavement board and a preparation method thereof. Background technique [0002] With the development of the national economy, the bridge construction in our country has also developed rapidly. According to statistics from the Ministry of Transport of my country, as of the end of 2018, there were 851,500 road bridges in my country with a total length of 55.6859 million meters, an increase of 19,000 bridges and 3.4297 million meters over the previous year. However, with the increase of traffic volume and traffic load in our country year by year, and under complex climatic conditions, the bridge deck pavement has a great influence on its weight, flexibility, deformation stability, impermeability, skid resistance, and flatness. , crack resistance and other aspects have higher requirements. Especially for cold regions, the bridge deck pavement has been exposed to freezing and...
Claims
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IPC IPC(8): E01D19/08E01D21/00B29C67/00B29C67/24B29D7/01E01D101/30E01D101/40
CPCB29C67/0011B29C67/243B29D7/01E01D19/083E01D21/00E01D2101/30E01D2101/40
Inventor 洪斌王大为高峻凌欧登张宾王建翎
Owner HARBIN INST OF TECH
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