Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Dynamically corrected ballastless track construction method on large-span bridge
The invention discloses a dynamically-corrected ballastless track construction method on a large-span bridge, and belongs to the technical field of railway track construction. The method includes the steps that ballastless track construction is guided in the whole process through a finite element model, and a basis is provided for project acceptance; the bridge deck adopts ballasting, a bridge deformation rule is obtained, the bridge load is kept constant, and the construction precision is improved; a measurement-and-play CP III accurate measurement network is adopted, so that the bridge site environment at any temperature and wind speed can be adapted, and the accuracy of data is ensured; the problem that lofting of a slab ballastless track base plate laid on a large-span bridge and fine adjustment construction of a track plate are not high in precision is solved, it is avoided that normal running of a train is affected by the large error of actual construction and designed track elevation, the construction process can be simplified, the construction risk can be reduced, and the construction efficiency and quality can be improved.
本发明公开了一种动态修正的大跨度桥上无砟轨道施工方法，属于铁路轨道施工技术领域；包括：利用有限元模型全程指导无砟轨道施工，并为工程验收提供依据；桥面采用压重发，获得桥梁变形规律，保持桥梁荷载恒定，提高施工精度；采用即测即用的CPⅢ精测网，可以适应任意温度、风速下的桥址环境，保证数据的准确性；解决大跨度桥梁上铺设板式无砟轨道基底板放样及轨道板精调施工的精度不高的问题，避免实际施工与设计轨道标高误差较大而影响列车正常行驶，能够简化施工过程、降低施工风险以及提高施工效率及质量。
Dynamically corrected ballastless track construction method on large-span bridge
The invention discloses a dynamically-corrected ballastless track construction method on a large-span bridge, and belongs to the technical field of railway track construction. The method includes the steps that ballastless track construction is guided in the whole process through a finite element model, and a basis is provided for project acceptance; the bridge deck adopts ballasting, a bridge deformation rule is obtained, the bridge load is kept constant, and the construction precision is improved; a measurement-and-play CP III accurate measurement network is adopted, so that the bridge site environment at any temperature and wind speed can be adapted, and the accuracy of data is ensured; the problem that lofting of a slab ballastless track base plate laid on a large-span bridge and fine adjustment construction of a track plate are not high in precision is solved, it is avoided that normal running of a train is affected by the large error of actual construction and designed track elevation, the construction process can be simplified, the construction risk can be reduced, and the construction efficiency and quality can be improved.
本发明公开了一种动态修正的大跨度桥上无砟轨道施工方法，属于铁路轨道施工技术领域；包括：利用有限元模型全程指导无砟轨道施工，并为工程验收提供依据；桥面采用压重发，获得桥梁变形规律，保持桥梁荷载恒定，提高施工精度；采用即测即用的CPⅢ精测网，可以适应任意温度、风速下的桥址环境，保证数据的准确性；解决大跨度桥梁上铺设板式无砟轨道基底板放样及轨道板精调施工的精度不高的问题，避免实际施工与设计轨道标高误差较大而影响列车正常行驶，能够简化施工过程、降低施工风险以及提高施工效率及质量。
Dynamically corrected ballastless track construction method on large-span bridge
一种动态修正的大跨度桥上无砟轨道施工方法
WANG WEIHUA (Autor:in) / LONG XUYOU (Autor:in) / WANG QISHENG (Autor:in) / LEE DAESUNG (Autor:in) / ZHAO HUAWEI (Autor:in) / WANG YUKUN (Autor:in) / WEI GUANGNING (Autor:in) / WEI ZHEN (Autor:in) / XIAO RUI (Autor:in) / GAO ZIHANG (Autor:in)
12.12.2023
Patent
Elektronische Ressource
Chinesisch
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