Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Large-section beam construction method of subway depot upper cover building
The invention discloses a large-section beam construction method for a subway depot upper cover building, which comprises the following steps of: breaking a thermal insulation layer on the top surface of an existing building to expose an existing structural layer of the existing building; a bottom support of the concrete formwork is erected on the existing structural layer; a concrete formwork is erected on the bottom support; a first layer of concrete is poured through the concrete formwork; the upper surface of the first layer of concrete is scoured and scabbled through high-pressure flushing equipment; and a second layer of concrete is poured above the first layer of concrete to form the large-section beam. The large-section beam is poured in a layered mode, the formed first layer of concrete is used for supporting the to-be-formed second layer of concrete, the situation that an existing structural layer directly bears the whole dead weight of the large-section beam is avoided, and potential safety hazards are effectively reduced; the upper surface of the first layer of concrete is scoured and scabbled by using high-pressure flushing equipment, so that the construction difficulty of manual scabbling in the prior art is avoided, the construction efficiency is effectively improved, and a large amount of manpower and construction period are saved.
本发明公开了一种地铁车辆段上盖建筑的大截面梁施工方法，包括步骤：破除既有建筑顶面的保温层，使既有建筑的既有结构层裸露；在既有结构层上搭设混凝土模板的底部支撑；在底部支撑上搭设混凝土模板；利用混凝土模板浇筑第一层混凝土；使用高压冲水设备对第一层混凝土的上表面进行冲刷凿毛；在第一层混凝土上方浇筑第二层混凝土，形成大截面梁。通过将大截面梁分层浇筑，利用已成型的第一层混凝土对待成型的第二层混凝土提供支撑，避免了既有结构层直接承受大截面梁全部自重，有效减小安全隐患；使用高压冲水设备对第一层混凝土上表面进行冲刷凿毛，免除现有技术中人工凿毛的施工困难，有效提高施工效率，节省大量人力和工期。
Large-section beam construction method of subway depot upper cover building
The invention discloses a large-section beam construction method for a subway depot upper cover building, which comprises the following steps of: breaking a thermal insulation layer on the top surface of an existing building to expose an existing structural layer of the existing building; a bottom support of the concrete formwork is erected on the existing structural layer; a concrete formwork is erected on the bottom support; a first layer of concrete is poured through the concrete formwork; the upper surface of the first layer of concrete is scoured and scabbled through high-pressure flushing equipment; and a second layer of concrete is poured above the first layer of concrete to form the large-section beam. The large-section beam is poured in a layered mode, the formed first layer of concrete is used for supporting the to-be-formed second layer of concrete, the situation that an existing structural layer directly bears the whole dead weight of the large-section beam is avoided, and potential safety hazards are effectively reduced; the upper surface of the first layer of concrete is scoured and scabbled by using high-pressure flushing equipment, so that the construction difficulty of manual scabbling in the prior art is avoided, the construction efficiency is effectively improved, and a large amount of manpower and construction period are saved.
本发明公开了一种地铁车辆段上盖建筑的大截面梁施工方法，包括步骤：破除既有建筑顶面的保温层，使既有建筑的既有结构层裸露；在既有结构层上搭设混凝土模板的底部支撑；在底部支撑上搭设混凝土模板；利用混凝土模板浇筑第一层混凝土；使用高压冲水设备对第一层混凝土的上表面进行冲刷凿毛；在第一层混凝土上方浇筑第二层混凝土，形成大截面梁。通过将大截面梁分层浇筑，利用已成型的第一层混凝土对待成型的第二层混凝土提供支撑，避免了既有结构层直接承受大截面梁全部自重，有效减小安全隐患；使用高压冲水设备对第一层混凝土上表面进行冲刷凿毛，免除现有技术中人工凿毛的施工困难，有效提高施工效率，节省大量人力和工期。
Large-section beam construction method of subway depot upper cover building
地铁车辆段上盖建筑的大截面梁施工方法
CUI YE (Autor:in) / WANG JIAN (Autor:in) / WANG RUIFENG (Autor:in) / KANG WANLIANG (Autor:in) / ZHANG BOYANG (Autor:in) / HU RUIPENG (Autor:in) / LI HONG (Autor:in)
02.04.2024
Patent
Elektronische Ressource
Chinesisch
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