A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention relates to a prefabricated assembled FRP-profile steel-concrete combined bridge deck slab and a construction method thereof. The prefabricated assembled FRP-profile steel-concrete combined bridge deck slab comprises an FRP formwork, prestressed I-shaped steel, reinforcing meshes, corrugated pipes and concrete. The FRP formwork comprises an FRP bottom formwork and four FRP baffles. The prestressed I-shaped steel comprises I-shaped steel, prestress memory alloy ribs and connecting pieces. The prestressed I-shaped steel is arranged on the FRP bottom formwork at intervals in the transverse direction of the bridge, and circular holes are reserved in webs of the I-shaped steel. The reinforcing meshes are connected to the upper and lower flanges of the prestressed I-shaped steel. The corrugated pipes are connected in the holes of the formwork and the section steel. The concrete, the FRP template, the prestressed I-shaped steel and the reinforcing meshes form a whole body to be stressed together. According to the combined bridge deck slab, the bearing capacity of a bridge is greatly enhanced, the consumption of steel can be obviously reduced, the manufacturing cost is reduced, and the self-weight of the bridge deck slab structure is reduced. Through the use of the FRP bottom formwork, corrosion resistance can be achieved, and durability is improved. Moreover, the characteristics of light weight and high rigidity are achieved, the construction efficiency can be improved, and the combined bridge deck slab has wide application prospects.
本发明涉及一种预制拼装FRP—型钢—混凝土组合桥面板及其施工方法，包括FRP模板、预应力工字型钢、钢筋网片、波纹管和混凝土。FRP模板包括FRP底模板和四面FRP挡板。预应力工字型钢包括工字型钢、预应力记忆合金筋材和连接件。预应力工字型钢沿桥横向间隔布置于FRP底板上，工字型钢的腹板上都预留圆形孔洞。钢筋网片连接在预应力工字型钢的上下翼缘。波纹管连接在模板和型钢的孔洞中。混凝土与FRP模板，预应力工字型钢，钢筋网片构成整体共同受力。这种组合桥面板大大的增强了桥的承载力，能明显减少钢材的用量，降低造价，减轻桥面板结构的自重，使用FRP底板能抵抗腐蚀，提高耐久性并且具有质量轻、刚度大特点，还可以提高施工效率，具有广阔的应用前景。
The invention relates to a prefabricated assembled FRP-profile steel-concrete combined bridge deck slab and a construction method thereof. The prefabricated assembled FRP-profile steel-concrete combined bridge deck slab comprises an FRP formwork, prestressed I-shaped steel, reinforcing meshes, corrugated pipes and concrete. The FRP formwork comprises an FRP bottom formwork and four FRP baffles. The prestressed I-shaped steel comprises I-shaped steel, prestress memory alloy ribs and connecting pieces. The prestressed I-shaped steel is arranged on the FRP bottom formwork at intervals in the transverse direction of the bridge, and circular holes are reserved in webs of the I-shaped steel. The reinforcing meshes are connected to the upper and lower flanges of the prestressed I-shaped steel. The corrugated pipes are connected in the holes of the formwork and the section steel. The concrete, the FRP template, the prestressed I-shaped steel and the reinforcing meshes form a whole body to be stressed together. According to the combined bridge deck slab, the bearing capacity of a bridge is greatly enhanced, the consumption of steel can be obviously reduced, the manufacturing cost is reduced, and the self-weight of the bridge deck slab structure is reduced. Through the use of the FRP bottom formwork, corrosion resistance can be achieved, and durability is improved. Moreover, the characteristics of light weight and high rigidity are achieved, the construction efficiency can be improved, and the combined bridge deck slab has wide application prospects.
本发明涉及一种预制拼装FRP—型钢—混凝土组合桥面板及其施工方法，包括FRP模板、预应力工字型钢、钢筋网片、波纹管和混凝土。FRP模板包括FRP底模板和四面FRP挡板。预应力工字型钢包括工字型钢、预应力记忆合金筋材和连接件。预应力工字型钢沿桥横向间隔布置于FRP底板上，工字型钢的腹板上都预留圆形孔洞。钢筋网片连接在预应力工字型钢的上下翼缘。波纹管连接在模板和型钢的孔洞中。混凝土与FRP模板，预应力工字型钢，钢筋网片构成整体共同受力。这种组合桥面板大大的增强了桥的承载力，能明显减少钢材的用量，降低造价，减轻桥面板结构的自重，使用FRP底板能抵抗腐蚀，提高耐久性并且具有质量轻、刚度大特点，还可以提高施工效率，具有广阔的应用前景。
Prefabricated assembled FRP-profile steel-concrete combined bridge deck slab and construction method thereof
一种预制拼装FRP—型钢—混凝土组合桥面板及其施工方法
2020-04-10
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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