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Excavation method for deep cutting adjacent to railway business line
The invention relates to a deep cutting excavation method adjacent to a railway business line, and relates to the technical field of railway deep cutting construction. Comprising the steps that S1, protective pile construction is conducted, and reinforced concrete protective piles are adopted for safety protection of a railway business line; s2, a foundation pit is excavated, specifically, the foundation pit is excavated in the mode of longitudinal segmentation, transverse layering and stepped tunneling; s3, slope protection is conducted, specifically, in the foundation pit excavation process, the cutting slope is protected; and S4, construction monitoring is conducted, in the foundation pit excavation process, the underground water level is monitored, settlement of a rail close to a business line and a roadbed is monitored, transverse displacement of foundation pit protection piles is monitored, and the conditions of the bottom of the foundation pit and soil mass around the foundation pit are monitored. On the premise that safe operation of the existing railway business line is guaranteed, the quality and progress of deep cutting excavation construction can be guaranteed.
本发明关于一种邻近铁路营业线深路堑开挖方法，涉及铁路深路堑施工技术领域。包括：步骤S1：防护桩施工，采用钢筋混凝土防护桩对铁路营业线进行安全防护；步骤S2：开挖基坑，采用纵向分段、横向分层、阶梯掘进的方式进行基坑开挖；步骤S3：边坡防护，开挖基坑过程中，对路堑边坡进行防护；步骤S4：施工监测，开挖基坑过程中，监测地下水位，监测临近营业线轨道、路基的沉降，监测基坑防护桩横向位移以及监测基坑底部及周围土体情况。本发明在保证既有铁路营业线的安全运行的前提下，又能够保证深路堑开挖施工的质量和进度。
Excavation method for deep cutting adjacent to railway business line
The invention relates to a deep cutting excavation method adjacent to a railway business line, and relates to the technical field of railway deep cutting construction. Comprising the steps that S1, protective pile construction is conducted, and reinforced concrete protective piles are adopted for safety protection of a railway business line; s2, a foundation pit is excavated, specifically, the foundation pit is excavated in the mode of longitudinal segmentation, transverse layering and stepped tunneling; s3, slope protection is conducted, specifically, in the foundation pit excavation process, the cutting slope is protected; and S4, construction monitoring is conducted, in the foundation pit excavation process, the underground water level is monitored, settlement of a rail close to a business line and a roadbed is monitored, transverse displacement of foundation pit protection piles is monitored, and the conditions of the bottom of the foundation pit and soil mass around the foundation pit are monitored. On the premise that safe operation of the existing railway business line is guaranteed, the quality and progress of deep cutting excavation construction can be guaranteed.
本发明关于一种邻近铁路营业线深路堑开挖方法，涉及铁路深路堑施工技术领域。包括：步骤S1：防护桩施工，采用钢筋混凝土防护桩对铁路营业线进行安全防护；步骤S2：开挖基坑，采用纵向分段、横向分层、阶梯掘进的方式进行基坑开挖；步骤S3：边坡防护，开挖基坑过程中，对路堑边坡进行防护；步骤S4：施工监测，开挖基坑过程中，监测地下水位，监测临近营业线轨道、路基的沉降，监测基坑防护桩横向位移以及监测基坑底部及周围土体情况。本发明在保证既有铁路营业线的安全运行的前提下，又能够保证深路堑开挖施工的质量和进度。
Excavation method for deep cutting adjacent to railway business line
一种邻近铁路营业线深路堑开挖方法
CUI FUPING (author) / YANG JIWU (author) / HE HUGUO (author) / WANG YALI (author) / WANG TAO (author) / HAN JIALEI (author) / LI XIAOXI (author) / LI YIMENG (author)
2024-05-14
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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