A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Corrugated steel web composite beam with prestress
The invention discloses a corrugated steel web composite beam with prestress, which relates to the technical field of bridge construction, and comprises a concrete top plate, a concrete bottom plate, a concrete anchoring area, a steel beam, prestressed tendons and a prestressed tendon anchoring device, the steel beam comprises an upper flange flat steel plate, a lower flange flat steel plate, a top plate connecting piece, a bottom plate connecting piece and a corrugated steel web. The steel beam is prefabricated in a factory, the concrete top plate, the concrete bottom plate and the concrete anchoring area are cast in site, and prestress is applied to the prestressed tendons through a post-tensioning method after concrete casting and curing are completed. By means of a wrinkle effect of the corrugated steel web and a high-strength characteristic of the prestressed tendons, the initial tension of the prestressed tendons is directly transmitted into the concrete slab, so that the utilization efficiency of prestress is further improved, the construction period is shortened, and the construction efficiency is improved.
本发明公开了一种波形钢腹板带预应力的组合梁，涉及桥梁施工技术领域，所述组合梁包括混凝土顶板、混凝土底板、混凝土锚固区、钢梁、预应力筋及预应力筋锚固装置，所述钢梁包括上翼缘平钢板、下翼缘平钢板、顶板连接件、底板连接件及波形钢腹板。本发明的钢梁采用工厂预制，混凝土顶板、混凝土底板及混凝土锚固区采用施工现场浇筑，预应力筋在混凝土浇筑养护完成后采用后张法施加预应力，利用波形钢腹板的褶皱效应以及预应力筋的高强度特点，直接将预应力筋的初拉力传递至混凝土板内，进一步提高了预应力的利用效率，并具有缩短施工周期，提高施工效率的优点。
Corrugated steel web composite beam with prestress
The invention discloses a corrugated steel web composite beam with prestress, which relates to the technical field of bridge construction, and comprises a concrete top plate, a concrete bottom plate, a concrete anchoring area, a steel beam, prestressed tendons and a prestressed tendon anchoring device, the steel beam comprises an upper flange flat steel plate, a lower flange flat steel plate, a top plate connecting piece, a bottom plate connecting piece and a corrugated steel web. The steel beam is prefabricated in a factory, the concrete top plate, the concrete bottom plate and the concrete anchoring area are cast in site, and prestress is applied to the prestressed tendons through a post-tensioning method after concrete casting and curing are completed. By means of a wrinkle effect of the corrugated steel web and a high-strength characteristic of the prestressed tendons, the initial tension of the prestressed tendons is directly transmitted into the concrete slab, so that the utilization efficiency of prestress is further improved, the construction period is shortened, and the construction efficiency is improved.
本发明公开了一种波形钢腹板带预应力的组合梁，涉及桥梁施工技术领域，所述组合梁包括混凝土顶板、混凝土底板、混凝土锚固区、钢梁、预应力筋及预应力筋锚固装置，所述钢梁包括上翼缘平钢板、下翼缘平钢板、顶板连接件、底板连接件及波形钢腹板。本发明的钢梁采用工厂预制，混凝土顶板、混凝土底板及混凝土锚固区采用施工现场浇筑，预应力筋在混凝土浇筑养护完成后采用后张法施加预应力，利用波形钢腹板的褶皱效应以及预应力筋的高强度特点，直接将预应力筋的初拉力传递至混凝土板内，进一步提高了预应力的利用效率，并具有缩短施工周期，提高施工效率的优点。
Corrugated steel web composite beam with prestress
一种波形钢腹板带预应力的组合梁
WAN SHUI (author) / HUANG MUYUN (author) / ZHANG YUBO (author) / GU ZHIYONG (author) / BIAN JIANMIN (author) / JING MAOWU (author) / HU XIAOFEN (author) / LI XIAOHUI (author)
2021-10-29
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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