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A platform for research: civil engineering, architecture and urbanism
Excavating and supporting method for ice water accumulation body water conveying tunnel
The invention discloses an ice water accumulation body water delivery tunnel excavation supporting method, and relates to the water conservancy and hydropower engineering technology. The method comprises the following process steps: positioning an axis, measuring and setting out; clearing the surface; constructing intercepting and draining ditches; open excavation of entrance and exit earthwork; supporting an entrance and exit slope; tunnel-entering advance supporting is carried out; digging a stone hole; primary supporting; carrying out secondary supporting; backfill grouting and consolidation grouting are conducted. According to the ice water accumulation body water conveying tunnel excavation supporting method, the perfect tunnel excavation supporting method is provided for ice water accumulation areas, the stability is good, the technology is simple and practical, the good supporting effect can be provided, and meanwhile the construction cost is effectively controlled.
冰水堆积体输水隧洞开挖支护方法，涉及水利水电工程技术。本发明包括以下工艺步骤：定位轴线测量放样；清表；截排水沟施工；进出口土石方明挖；进出口边坡支护；进洞超前支护；石方洞挖；一次支护；二次支护；回填灌浆以及固结灌浆。本发明的冰水堆积体输水隧洞开挖支护方法，针对于冰水堆积的地区，提供了完善的隧洞开挖支护方法，稳定性好，工艺简单实用，能够提供较好的支护效果，同时有效控制施工成本。
Excavating and supporting method for ice water accumulation body water conveying tunnel
The invention discloses an ice water accumulation body water delivery tunnel excavation supporting method, and relates to the water conservancy and hydropower engineering technology. The method comprises the following process steps: positioning an axis, measuring and setting out; clearing the surface; constructing intercepting and draining ditches; open excavation of entrance and exit earthwork; supporting an entrance and exit slope; tunnel-entering advance supporting is carried out; digging a stone hole; primary supporting; carrying out secondary supporting; backfill grouting and consolidation grouting are conducted. According to the ice water accumulation body water conveying tunnel excavation supporting method, the perfect tunnel excavation supporting method is provided for ice water accumulation areas, the stability is good, the technology is simple and practical, the good supporting effect can be provided, and meanwhile the construction cost is effectively controlled.
冰水堆积体输水隧洞开挖支护方法，涉及水利水电工程技术。本发明包括以下工艺步骤：定位轴线测量放样；清表；截排水沟施工；进出口土石方明挖；进出口边坡支护；进洞超前支护；石方洞挖；一次支护；二次支护；回填灌浆以及固结灌浆。本发明的冰水堆积体输水隧洞开挖支护方法，针对于冰水堆积的地区，提供了完善的隧洞开挖支护方法，稳定性好，工艺简单实用，能够提供较好的支护效果，同时有效控制施工成本。
Excavating and supporting method for ice water accumulation body water conveying tunnel
冰水堆积体输水隧洞开挖支护方法
MUNEYOSHI (author) / CAO YONGLEI (author) / GONG YI (author) / SUN RUOYAO (author) / LU DEBIAO (author)
2024-01-16
Patent
Electronic Resource
Chinese
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