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A platform for research: civil engineering, architecture and urbanism
Urban rail transit underground line precast slab ballastless track construction method
The invention discloses an urban rail transit underground line precast slab ballastless track construction method, and aims to effectively improve the construction efficiency and operability, and the quality is controllable. Comprising the following steps: (1) measuring a base mark; (2) treating a substrate; (3) mounting a running rail; (4) binding base steel bars, and installing a limiting groove template and a side mold; (5) pouring base concrete and curing; (6) laying an isolating layer and a rubber cushion; (7) laying adjusting layer meshes; (8) laying a prefabricated track plate and performing fine adjustment; (9) mounting a pressing device and a peripheral edge sealing template; 10, self-compacting concrete of the adjusting layer (12) is poured and cured; (11) mounting a steel rail member; a single-well forward laying method is adopted, and the progress index is 40 m/d; or a double-well forward paving method is adopted, and the progress index is 50 m/d.
城市轨道交通地下线预制板无砟轨道施工方法，以有效提高施工工效和可操作性，而且质量可控。包括如下步骤：①测设基标；②处理基底；③安装走行轨；④绑扎底座钢筋，安装限位凹槽模板及侧模；⑤浇筑底座混凝土及养护；⑥铺设隔离层和橡胶缓冲垫；⑦铺设调整层网片；⑧铺设预制轨道板及精调；⑨安装压紧装置及四周封边模板；⑩灌注调整层(12)自密实混凝土及养护；⑾安装钢轨构件；采用单井正铺法，进度指标40m/d；或者采用双井正铺法，进度指标50m/d。
Urban rail transit underground line precast slab ballastless track construction method
The invention discloses an urban rail transit underground line precast slab ballastless track construction method, and aims to effectively improve the construction efficiency and operability, and the quality is controllable. Comprising the following steps: (1) measuring a base mark; (2) treating a substrate; (3) mounting a running rail; (4) binding base steel bars, and installing a limiting groove template and a side mold; (5) pouring base concrete and curing; (6) laying an isolating layer and a rubber cushion; (7) laying adjusting layer meshes; (8) laying a prefabricated track plate and performing fine adjustment; (9) mounting a pressing device and a peripheral edge sealing template; 10, self-compacting concrete of the adjusting layer (12) is poured and cured; (11) mounting a steel rail member; a single-well forward laying method is adopted, and the progress index is 40 m/d; or a double-well forward paving method is adopted, and the progress index is 50 m/d.
城市轨道交通地下线预制板无砟轨道施工方法，以有效提高施工工效和可操作性，而且质量可控。包括如下步骤：①测设基标；②处理基底；③安装走行轨；④绑扎底座钢筋，安装限位凹槽模板及侧模；⑤浇筑底座混凝土及养护；⑥铺设隔离层和橡胶缓冲垫；⑦铺设调整层网片；⑧铺设预制轨道板及精调；⑨安装压紧装置及四周封边模板；⑩灌注调整层(12)自密实混凝土及养护；⑾安装钢轨构件；采用单井正铺法，进度指标40m/d；或者采用双井正铺法，进度指标50m/d。
Urban rail transit underground line precast slab ballastless track construction method
城市轨道交通地下线预制板无砟轨道施工方法
DONG YAN (author) / TIAN SHIGUANG (author) / CUI XIAOQIANG (author) / TIAN XINMIN (author) / CHEN SU (author) / XIAO FENG (author) / JIANG WEI (author)
2022-06-21
Patent
Electronic Resource
Chinese
IPC:
E01B
PERMANENT WAY
,
Gleisoberbau
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