Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-water-level jacking construction method for underneath passing multi-track railway passenger tunnel
The invention relates to a jacking construction method, in particular to a high-water-level jacking construction method for an underneath passing multi-track railway passenger tunnel, and aims to solve the technical problems of large jacking range and high direction and height control difficulty in jacking construction of digging a foundation pit on the outer side of an existing line. The method specifically includes the steps that S1, inter-line ballast supporting and retaining are conducted, and preparation is made for inter-line supporting pile construction; S2, a railway section is reinforced above the tunnel by adopting a D beam; S3, a foundation pit is excavated below an arrival-departure line; S4, a main line frame structure is prefabricated; S5, the main line frame structure is jacked; S6, a waterproof layer of the main line frame structure is constructed; S7, cast-in-place of tan arrival-departure line frame structure is conducted; S8, construction joints and settlement joints are constructed; and S9, backfilling is conducted on a transition section.
本发明涉及一种顶紧施工方法，具体是下穿多股道铁路旅客地道高水位顶进施工方法，旨在解决现有线路外侧挖基坑顶进施工顶程大，方向、高低控制难度大的技术问题。具体包括如下步骤：S1.间道砟支挡，为线间支撑桩施工做准备；S2.采用D梁加固地道上方铁路段；S3.在到发线下方开挖基坑：S4.预制正线框构；S5.顶进正线框构；S6.正线框构防水层施工；S7.现浇到发线框构；S8.施工缝、沉降缝施工；S9.过渡段回填。
High-water-level jacking construction method for underneath passing multi-track railway passenger tunnel
The invention relates to a jacking construction method, in particular to a high-water-level jacking construction method for an underneath passing multi-track railway passenger tunnel, and aims to solve the technical problems of large jacking range and high direction and height control difficulty in jacking construction of digging a foundation pit on the outer side of an existing line. The method specifically includes the steps that S1, inter-line ballast supporting and retaining are conducted, and preparation is made for inter-line supporting pile construction; S2, a railway section is reinforced above the tunnel by adopting a D beam; S3, a foundation pit is excavated below an arrival-departure line; S4, a main line frame structure is prefabricated; S5, the main line frame structure is jacked; S6, a waterproof layer of the main line frame structure is constructed; S7, cast-in-place of tan arrival-departure line frame structure is conducted; S8, construction joints and settlement joints are constructed; and S9, backfilling is conducted on a transition section.
本发明涉及一种顶紧施工方法，具体是下穿多股道铁路旅客地道高水位顶进施工方法，旨在解决现有线路外侧挖基坑顶进施工顶程大，方向、高低控制难度大的技术问题。具体包括如下步骤：S1.间道砟支挡，为线间支撑桩施工做准备；S2.采用D梁加固地道上方铁路段；S3.在到发线下方开挖基坑：S4.预制正线框构；S5.顶进正线框构；S6.正线框构防水层施工；S7.现浇到发线框构；S8.施工缝、沉降缝施工；S9.过渡段回填。
High-water-level jacking construction method for underneath passing multi-track railway passenger tunnel
下穿多股道铁路旅客地道高水位顶进施工方法
LIU XIAOHUAN (Autor:in) / ZHANG ZHIHENG (Autor:in) / WANG FUQIANG (Autor:in) / WANG YANSHENG (Autor:in) / HUO JUNQING (Autor:in)
03.08.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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