Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Track capable of being assembled and construction method thereof
The invention discloses an assembled track and a construction method thereof, the track comprises a prestressed concrete longitudinal beam body, the lower parts of two opposite side surfaces of the prestressed concrete longitudinal beam body are provided with I-shaped steel cross beams for connecting the prestressed concrete longitudinal beam body and the I-shaped steel cross beams, and the upper parts of two opposite side walls of the prestressed concrete longitudinal beam body are provided with pre-buried anti-overturning steel plates. The construction method comprises the following steps: prefabricating and processing the prestressed concrete beam sections; splicing of the track beam units is completed; building a construction platform at the top of the pier; hoisting the prestressed concrete beam section to the pier top and positioning; erecting a temporary support and performing fine adjustment; constructing a middle pier post-pouring section; the prestressed steel beam is tensioned, so that a continuous track beam is formed at the middle pier; constructing a side pier post-pouring section; and the prestressed steel beams are tensioned to form the complete continuous track beam. According to the invention, the construction cost is reduced, and the noise is reduced; the difficulty of adjusting the line shape of the track beam body by factories is reduced; the overall rigidity of the track beam is increased, and the running comfort of a train is improved.
本发明公开了一种可拼装式轨道及其施工方法，其轨道包括预应力混凝土纵梁体，预应力混凝土纵梁体的两个相向侧面下部处设置有连接二者的工字钢横梁，预应力混凝土纵梁体的两个相向侧壁上部处设置有预埋防倾覆钢板。其施工方法包括以下步骤：预制加工预应力混凝土梁节段；完成轨道梁单元的拼装；在墩顶搭设施工平台；将预应力混凝土梁节段吊装到墩顶处并进行定位；架设临时支撑并精调；施工中墩后浇段；张拉预应力钢束，使中墩处形成连续轨道梁；施工边墩后浇段；张拉预应力钢束，形成完整的连续轨道梁。本发明降低了工程造价，降低了噪音；工厂调整调整轨道梁梁体线形难度降低；增加了轨道梁的整体刚度，列车行驶舒适性得到提高。
Track capable of being assembled and construction method thereof
The invention discloses an assembled track and a construction method thereof, the track comprises a prestressed concrete longitudinal beam body, the lower parts of two opposite side surfaces of the prestressed concrete longitudinal beam body are provided with I-shaped steel cross beams for connecting the prestressed concrete longitudinal beam body and the I-shaped steel cross beams, and the upper parts of two opposite side walls of the prestressed concrete longitudinal beam body are provided with pre-buried anti-overturning steel plates. The construction method comprises the following steps: prefabricating and processing the prestressed concrete beam sections; splicing of the track beam units is completed; building a construction platform at the top of the pier; hoisting the prestressed concrete beam section to the pier top and positioning; erecting a temporary support and performing fine adjustment; constructing a middle pier post-pouring section; the prestressed steel beam is tensioned, so that a continuous track beam is formed at the middle pier; constructing a side pier post-pouring section; and the prestressed steel beams are tensioned to form the complete continuous track beam. According to the invention, the construction cost is reduced, and the noise is reduced; the difficulty of adjusting the line shape of the track beam body by factories is reduced; the overall rigidity of the track beam is increased, and the running comfort of a train is improved.
本发明公开了一种可拼装式轨道及其施工方法，其轨道包括预应力混凝土纵梁体，预应力混凝土纵梁体的两个相向侧面下部处设置有连接二者的工字钢横梁，预应力混凝土纵梁体的两个相向侧壁上部处设置有预埋防倾覆钢板。其施工方法包括以下步骤：预制加工预应力混凝土梁节段；完成轨道梁单元的拼装；在墩顶搭设施工平台；将预应力混凝土梁节段吊装到墩顶处并进行定位；架设临时支撑并精调；施工中墩后浇段；张拉预应力钢束，使中墩处形成连续轨道梁；施工边墩后浇段；张拉预应力钢束，形成完整的连续轨道梁。本发明降低了工程造价，降低了噪音；工厂调整调整轨道梁梁体线形难度降低；增加了轨道梁的整体刚度，列车行驶舒适性得到提高。
Track capable of being assembled and construction method thereof
一种可拼装式轨道及其施工方法
BAI HONGGUO (Autor:in) / YAN LIQIANG (Autor:in) / ZHANG ZHIGUO (Autor:in) / CHEN JITAI (Autor:in) / WANG SHUMIN (Autor:in) / LIN ZHAOZONG (Autor:in) / ZHAO LEI (Autor:in) / HAN HEXIANG (Autor:in) / KOU PEIPEI (Autor:in) / WANG QI (Autor:in)
19.09.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01B
PERMANENT WAY
,
Gleisoberbau
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