Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for bridge expansion joint in severe cold area
The invention discloses a construction method of a bridge expansion joint in a severe cold area. The method comprises the following steps: setting out a reserved notch: after construction of a bridge floor asphalt concrete pavement layer is completed, accurately setting out according to the requirements of an expansion joint construction design drawing, and determining the slotting width; cutting the reserved notch, and cutting a slot by adopting a cutting machine according to a lofting line; cleaning sundries; adjusting embedded steel bars, and repairing the lost, staggered and damaged embedded steel bars; installing the expansion joint, specifically, the expansion joint is hoisted into the notch to be installed, and controlling the elevation and the longitudinal straightness of the expansion joint; adopting cement, water, coarse aggregate, fine aggregate, fly ash, silica fume, a waterproof water reducing agent and an expanding agent as concrete mixing materials, and pouring mixed concrete; performing maintenance; coating silane for dipping; and installing a rubber belt. The invention solves the problems that: construction methods in the prior art are not suitable for severe cold areas, and a reinforced concrete structure is easily corroded due to the fact that a large amount of deicing salt is used for snow removal in winter.
本申请公开了一种严寒地区桥梁伸缩缝施工方法，包括预留槽口放样，在桥面沥青砼铺装层施工完成后，根据伸缩缝施工设计图的要求进行准确放样以及确定开槽宽度；切割预留槽，根据放样线采用切割机进行切缝；杂物清理；调整预埋钢筋，对缺失、错位、损坏的预埋钢筋进行修复；安装伸缩缝，将伸缩缝吊装至槽口内进行安装，并对伸缩缝的标高和纵向直线度进行控制；采用水泥、水、粗集料、细集料、粉煤灰、硅灰、防水性减水剂、膨胀剂作为混凝土拌和材料，将拌和后的混凝土进行浇筑；养生；涂刷硅烷浸渍；安装橡胶带。本申请解决了相关技术中施工方法不适用于严寒地区，容易因冬季除雪大量使用除冰盐而腐蚀钢筋混凝土结构的问题。
Construction method for bridge expansion joint in severe cold area
The invention discloses a construction method of a bridge expansion joint in a severe cold area. The method comprises the following steps: setting out a reserved notch: after construction of a bridge floor asphalt concrete pavement layer is completed, accurately setting out according to the requirements of an expansion joint construction design drawing, and determining the slotting width; cutting the reserved notch, and cutting a slot by adopting a cutting machine according to a lofting line; cleaning sundries; adjusting embedded steel bars, and repairing the lost, staggered and damaged embedded steel bars; installing the expansion joint, specifically, the expansion joint is hoisted into the notch to be installed, and controlling the elevation and the longitudinal straightness of the expansion joint; adopting cement, water, coarse aggregate, fine aggregate, fly ash, silica fume, a waterproof water reducing agent and an expanding agent as concrete mixing materials, and pouring mixed concrete; performing maintenance; coating silane for dipping; and installing a rubber belt. The invention solves the problems that: construction methods in the prior art are not suitable for severe cold areas, and a reinforced concrete structure is easily corroded due to the fact that a large amount of deicing salt is used for snow removal in winter.
本申请公开了一种严寒地区桥梁伸缩缝施工方法，包括预留槽口放样，在桥面沥青砼铺装层施工完成后，根据伸缩缝施工设计图的要求进行准确放样以及确定开槽宽度；切割预留槽，根据放样线采用切割机进行切缝；杂物清理；调整预埋钢筋，对缺失、错位、损坏的预埋钢筋进行修复；安装伸缩缝，将伸缩缝吊装至槽口内进行安装，并对伸缩缝的标高和纵向直线度进行控制；采用水泥、水、粗集料、细集料、粉煤灰、硅灰、防水性减水剂、膨胀剂作为混凝土拌和材料，将拌和后的混凝土进行浇筑；养生；涂刷硅烷浸渍；安装橡胶带。本申请解决了相关技术中施工方法不适用于严寒地区，容易因冬季除雪大量使用除冰盐而腐蚀钢筋混凝土结构的问题。
Construction method for bridge expansion joint in severe cold area
严寒地区桥梁伸缩缝施工方法
GUO SHAOFEI (Autor:in) / LIU DAYONG (Autor:in) / MA ZHIWEI (Autor:in) / GONG YONGQING (Autor:in) / XIN ZHONGXIN (Autor:in) / HAO RUIJIE (Autor:in) / REN DONGXIN (Autor:in)
06.08.2021
Patent
Elektronische Ressource
Chinesisch
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