Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Reinforcing device and method for shield to pass through existing operating railway bridge in short distance
The invention discloses a reinforcing device and method for a shield to pass through an existing operating railway bridge in a close range, the device comprises an existing bridge pile, a reinforcing pile is arranged on the outer side of the existing bridge pile, a reinforced concrete temporary bearing platform is arranged on the reinforcing pile, and a steel structure support top is arranged on the reinforced concrete temporary bearing platform. A jacking structure used for jacking the existing operating railway bridge is arranged at the upper end of the steel structure supporting top, and the method comprises the following steps that the counter force of a supporting seat of the existing operating railway bridge is monitored; grouting parameters are measured, and pre-grouting is conducted; reinforcing piles are constructed; constructing a reinforced concrete temporary bearing platform; steel structure supports are constructed, and reinforcing and jacking are conducted; a foundation pit is excavated, and data are monitored in real time; judging whether complete replacement is needed or not; constructing a reinforcing bearing platform; and the reinforced concrete temporary bearing platform and the steel structure support top are dismantled. It can be effectively guaranteed that an upper railway bridge structure does not generate dislocation during shield crossing, and safe operation of an existing line is effectively guaranteed.
本发明公开了一种盾构近距离穿越既有运营铁路桥梁的加固装置及方法，其装置包括既有桥桩，所述既有桥桩外侧设置有补强桩，所述补强桩上设置有钢筋混凝土临时承台，所述钢筋混凝土临时承台上设置有钢结构支顶，所述钢结构支顶上端设置有对既有运营铁路桥梁进行顶托的顶托结构，其方法，包括以下步骤：对既有运营铁路桥梁的支座反力进行监测；测出注浆参数，并进行预注浆；施工补强桩；施工钢筋混凝土临时承台；施工钢结构支顶，进行加固顶紧；开挖基坑，并实时监测数据；判断是否需要完全脱换；施工补强承台；拆除钢筋混凝土临时承台和钢结构支顶。本发明能有效保证在盾构穿越时上部铁路桥结构不产生错动，有效保证既有线路安全运营。
Reinforcing device and method for shield to pass through existing operating railway bridge in short distance
The invention discloses a reinforcing device and method for a shield to pass through an existing operating railway bridge in a close range, the device comprises an existing bridge pile, a reinforcing pile is arranged on the outer side of the existing bridge pile, a reinforced concrete temporary bearing platform is arranged on the reinforcing pile, and a steel structure support top is arranged on the reinforced concrete temporary bearing platform. A jacking structure used for jacking the existing operating railway bridge is arranged at the upper end of the steel structure supporting top, and the method comprises the following steps that the counter force of a supporting seat of the existing operating railway bridge is monitored; grouting parameters are measured, and pre-grouting is conducted; reinforcing piles are constructed; constructing a reinforced concrete temporary bearing platform; steel structure supports are constructed, and reinforcing and jacking are conducted; a foundation pit is excavated, and data are monitored in real time; judging whether complete replacement is needed or not; constructing a reinforcing bearing platform; and the reinforced concrete temporary bearing platform and the steel structure support top are dismantled. It can be effectively guaranteed that an upper railway bridge structure does not generate dislocation during shield crossing, and safe operation of an existing line is effectively guaranteed.
本发明公开了一种盾构近距离穿越既有运营铁路桥梁的加固装置及方法，其装置包括既有桥桩，所述既有桥桩外侧设置有补强桩，所述补强桩上设置有钢筋混凝土临时承台，所述钢筋混凝土临时承台上设置有钢结构支顶，所述钢结构支顶上端设置有对既有运营铁路桥梁进行顶托的顶托结构，其方法，包括以下步骤：对既有运营铁路桥梁的支座反力进行监测；测出注浆参数，并进行预注浆；施工补强桩；施工钢筋混凝土临时承台；施工钢结构支顶，进行加固顶紧；开挖基坑，并实时监测数据；判断是否需要完全脱换；施工补强承台；拆除钢筋混凝土临时承台和钢结构支顶。本发明能有效保证在盾构穿越时上部铁路桥结构不产生错动，有效保证既有线路安全运营。
Reinforcing device and method for shield to pass through existing operating railway bridge in short distance
一种盾构近距离穿越既有运营铁路桥梁的加固装置及方法
WEN SIXIANG (Autor:in) / TANG WEI (Autor:in) / HUANG YONGJIAN (Autor:in) / LI AIDONG (Autor:in) / WU SHAOYANG (Autor:in) / ZHAO LIN (Autor:in) / ZOU JINHUA (Autor:in) / GAO LIANZHEN (Autor:in) / ZHANG DUO (Autor:in) / GONG GUIQING (Autor:in)
01.11.2024
Patent
Elektronische Ressource
Chinesisch
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