Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Horizontal post-cast strip construction method and prestressed concrete floor slab structure
The invention relates to the field of post-cast strip construction, and provides a horizontal post-cast strip construction method and a prestressed concrete floor structure, and the horizontal post-cast strip construction method comprises the following steps: erecting a template and a support frame, and mounting structural reinforcements and prestressed tendons. Concrete is poured and maintained, and a cantilever structure with pre-embedded prestressed tendons is formed; and the formwork and the supporting frame below the cantilever structure are dismantled. Tensioning the prestressed tendons by using tensioning equipment so as to increase the prestress of the cantilever structure; concrete of the construction joints is poured, and a post-cast strip is formed; and the formwork and the supporting frame below the post-cast strip are dismantled. According to the method, the prestressed tendons are tensioned through the tensioning equipment, the prestress of the cantilever structure is increased, the downwarping condition of the cantilever structure can be prevented, the construction quality is guaranteed, the supporting frame below the cantilever structure can be dismantled in advance, the construction progress is accelerated, and the construction cost is reduced.
本申请涉及后浇带施工领域，提供一种水平后浇带施工方法及预应力混凝土楼板结构，包括以下步骤：搭设模板和支撑架，安装结构钢筋和预应力筋。浇筑混凝土并养护，形成预埋有预应力筋的悬挑结构；拆除悬挑结构下方的模板和支撑架。利用张拉设备张拉预应力筋，以增加悬挑结构的预应力；浇筑施工缝的混凝土，形成后浇带；拆除后浇带下方的模板和支撑架。本发明利用张拉设备张拉预应力筋，增加悬挑结构的预应力，可防止悬挑结构出现下挠情况，既保证了施工质量，又可以提前拆除悬挑结构下方的支撑架，提高了施工进度，降低了施工成本。
Horizontal post-cast strip construction method and prestressed concrete floor slab structure
The invention relates to the field of post-cast strip construction, and provides a horizontal post-cast strip construction method and a prestressed concrete floor structure, and the horizontal post-cast strip construction method comprises the following steps: erecting a template and a support frame, and mounting structural reinforcements and prestressed tendons. Concrete is poured and maintained, and a cantilever structure with pre-embedded prestressed tendons is formed; and the formwork and the supporting frame below the cantilever structure are dismantled. Tensioning the prestressed tendons by using tensioning equipment so as to increase the prestress of the cantilever structure; concrete of the construction joints is poured, and a post-cast strip is formed; and the formwork and the supporting frame below the post-cast strip are dismantled. According to the method, the prestressed tendons are tensioned through the tensioning equipment, the prestress of the cantilever structure is increased, the downwarping condition of the cantilever structure can be prevented, the construction quality is guaranteed, the supporting frame below the cantilever structure can be dismantled in advance, the construction progress is accelerated, and the construction cost is reduced.
本申请涉及后浇带施工领域，提供一种水平后浇带施工方法及预应力混凝土楼板结构，包括以下步骤：搭设模板和支撑架，安装结构钢筋和预应力筋。浇筑混凝土并养护，形成预埋有预应力筋的悬挑结构；拆除悬挑结构下方的模板和支撑架。利用张拉设备张拉预应力筋，以增加悬挑结构的预应力；浇筑施工缝的混凝土，形成后浇带；拆除后浇带下方的模板和支撑架。本发明利用张拉设备张拉预应力筋，增加悬挑结构的预应力，可防止悬挑结构出现下挠情况，既保证了施工质量，又可以提前拆除悬挑结构下方的支撑架，提高了施工进度，降低了施工成本。
Horizontal post-cast strip construction method and prestressed concrete floor slab structure
水平后浇带施工方法及预应力混凝土楼板结构
ZHAO YANJUN (Autor:in) / XU JING'AN (Autor:in) / CHEN FUSHAN (Autor:in) / WEI WEIWEI (Autor:in) / SONG XIAODONG (Autor:in)
14.11.2023
Patent
Elektronische Ressource
Chinesisch
Construction method of post-cast strip floor slab with independent support
| Europäisches Patentamt | 2021
Cast-in-place prestressed concrete sandwiched composite beamless floor slab structure
| Europäisches Patentamt | 2022
Prestressed concrete hollow floor slab and construction method thereof
| Europäisches Patentamt | 2020
Prestressed hollow floor slab component and construction method of prestressed hollow floor slab
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2021