Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Vertical prestress ballastless track structure and prestress design calculation method
The invention discloses a vertical prestress ballastless track structure and a prestress design calculation method. The vertical prestress ballastless track structure comprises a center positioning device arranged in the middle of a prefabricated track plate and post-tensioning prestress devices arranged on the periphery of the prefabricated track plate. The center positioning device comprises a center positioning device mounting seat pre-buried in the foundation and a positioning boss mounted on the center positioning device mounting seat, a center prestress steel bar is arranged on the positioning boss, and a center prestress tensioning head is mounted on the center prestress steel bar; the center prestress tensioning head is provided with a center conical head matched with the positioning boss, the center prestress tensioning head is further provided with a center pre-tightening head, the center pre-tightening head is in threaded fit with the center prestress steel bar, the post-tensioning prestress device comprises a prestress device installation base embedded in the periphery of the foundation, and the prestress steel bar is arranged on the prestress device installation base. And a pre-tightening head is mounted on the pre-stressed steel bar and is in threaded fit with the pre-stressed steel bar.
本发明公开了一种竖向预应力无砟轨道结构及预应力设计计算方法，其中所述竖向预应力无砟轨道结构包括设置于预制轨道板中部的中心定位装置以及设置于预制轨道板四周的后张预应力装置，中心定位装置包括预埋于基础内的中心定位装置安装座，以及安装在中心定位装置安装座上的定位凸台，定位凸台上设有中心预应力钢棒，中心预应力钢棒上安装有中心预应力张拉头，中心预应力张拉头设有与定位凸台相适配的中心锥头，中心预应力张拉头还设有中心预紧头，中心预紧头与中心预应力钢棒螺纹配合，后张预应力装置包括预埋于基础四周的预应力装置安装座，预应力装置安装座上设置有预应力钢棒，预应力钢棒上安装有预紧头，预紧头和预应力钢棒螺纹配合。
Vertical prestress ballastless track structure and prestress design calculation method
The invention discloses a vertical prestress ballastless track structure and a prestress design calculation method. The vertical prestress ballastless track structure comprises a center positioning device arranged in the middle of a prefabricated track plate and post-tensioning prestress devices arranged on the periphery of the prefabricated track plate. The center positioning device comprises a center positioning device mounting seat pre-buried in the foundation and a positioning boss mounted on the center positioning device mounting seat, a center prestress steel bar is arranged on the positioning boss, and a center prestress tensioning head is mounted on the center prestress steel bar; the center prestress tensioning head is provided with a center conical head matched with the positioning boss, the center prestress tensioning head is further provided with a center pre-tightening head, the center pre-tightening head is in threaded fit with the center prestress steel bar, the post-tensioning prestress device comprises a prestress device installation base embedded in the periphery of the foundation, and the prestress steel bar is arranged on the prestress device installation base. And a pre-tightening head is mounted on the pre-stressed steel bar and is in threaded fit with the pre-stressed steel bar.
本发明公开了一种竖向预应力无砟轨道结构及预应力设计计算方法，其中所述竖向预应力无砟轨道结构包括设置于预制轨道板中部的中心定位装置以及设置于预制轨道板四周的后张预应力装置，中心定位装置包括预埋于基础内的中心定位装置安装座，以及安装在中心定位装置安装座上的定位凸台，定位凸台上设有中心预应力钢棒，中心预应力钢棒上安装有中心预应力张拉头，中心预应力张拉头设有与定位凸台相适配的中心锥头，中心预应力张拉头还设有中心预紧头，中心预紧头与中心预应力钢棒螺纹配合，后张预应力装置包括预埋于基础四周的预应力装置安装座，预应力装置安装座上设置有预应力钢棒，预应力钢棒上安装有预紧头，预紧头和预应力钢棒螺纹配合。
Vertical prestress ballastless track structure and prestress design calculation method
竖向预应力无砟轨道结构及预应力设计计算方法
YAO LI (Autor:in) / PANG LING (Autor:in) / LI ZHONGJI (Autor:in) / SU QIANKUN (Autor:in) / JIANG WANHONG (Autor:in) / LIU DAYUAN (Autor:in) / WANG YUHENG (Autor:in) / HE NING (Autor:in) / DU HUAYANG (Autor:in) / WANG GENPING (Autor:in)
31.01.2023
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2024
PRESTRESS INTRODUCTION METHOD AND PRESTRESS INTRODUCTION STRUCTURE
| Europäisches Patentamt | 2019
Prestress introduction structure of truss girder and prestress introduction method
| Europäisches Patentamt | 2019
Prestress composite beam and masonry structure house prestress demolition method
| Europäisches Patentamt | 2024