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A platform for research: civil engineering, architecture and urbanism
Construction method of deeply-buried large-diameter single-hole gallery
The invention relates to a construction method of a deeply-buried large-diameter single-hole gallery. The single-hole gallery comprises a glass reinforced plastic pipe and externally-wrapped concrete, and the periphery of the outer side of the glass reinforced plastic pipe is wrapped with the externally-wrapped concrete; the construction method of the deeply-buried large-diameter single-hole gallery comprises the steps that a foundation pit is dug; pouring a cushion layer; a cushion layer support is installed; mounting a bottom bracket; placing a glass steel pipe; connecting glass steel pipes; a steel structure is installed, specifically, a pouring formwork and an anti-floating structure are installed; pouring encased concrete; and the pouring formwork and part of the anti-floating structure are dismantled. The pouring space of the encased concrete can be defined through the pouring formwork and the anti-floating structure, and the anti-floating structure is connected with the fixing structure, so that movement of the anti-floating structure is limited, displacement of the glass reinforced plastic pipe and the pouring formwork is effectively avoided, and the accuracy of the single-hole gallery is guaranteed. The pouring formwork and the anti-floating structure can guarantee the pouring precision of the outer wrapped concrete, the cushion layer support and the bottom support can guarantee the position precision of the glass reinforced plastic pipe, and then the precision of the hole position of the single-hole gallery is guaranteed.
本发明涉及一种深埋大直径单孔廊道施工方法，单孔廊道包括玻璃钢管和外包混凝土，外包混凝土包覆于玻璃钢管的外侧的周向；深埋大直径单孔廊道施工方法包括：挖基坑；浇筑垫层；安装垫层支架；安装底部支架；放置玻璃钢管；连接玻璃钢管；安装钢结构：安装浇筑模板和抗浮结构；浇筑外包混凝土；拆除浇筑模板和部分抗浮结构。通过浇筑模板和抗浮结构可以限定出外包混凝土的浇筑空间，抗浮结构与固定结构连接，从而限制抗浮结构移动，进而有效避免玻璃钢管、浇筑模板发生移位，保证单孔廊道的精确性。浇筑模板和抗浮结构可以保证外包混凝土的浇筑精度，垫层支架和底部支架可以保证玻璃钢管的位置精度，进而保证单孔廊道的孔位的精度。
Construction method of deeply-buried large-diameter single-hole gallery
The invention relates to a construction method of a deeply-buried large-diameter single-hole gallery. The single-hole gallery comprises a glass reinforced plastic pipe and externally-wrapped concrete, and the periphery of the outer side of the glass reinforced plastic pipe is wrapped with the externally-wrapped concrete; the construction method of the deeply-buried large-diameter single-hole gallery comprises the steps that a foundation pit is dug; pouring a cushion layer; a cushion layer support is installed; mounting a bottom bracket; placing a glass steel pipe; connecting glass steel pipes; a steel structure is installed, specifically, a pouring formwork and an anti-floating structure are installed; pouring encased concrete; and the pouring formwork and part of the anti-floating structure are dismantled. The pouring space of the encased concrete can be defined through the pouring formwork and the anti-floating structure, and the anti-floating structure is connected with the fixing structure, so that movement of the anti-floating structure is limited, displacement of the glass reinforced plastic pipe and the pouring formwork is effectively avoided, and the accuracy of the single-hole gallery is guaranteed. The pouring formwork and the anti-floating structure can guarantee the pouring precision of the outer wrapped concrete, the cushion layer support and the bottom support can guarantee the position precision of the glass reinforced plastic pipe, and then the precision of the hole position of the single-hole gallery is guaranteed.
本发明涉及一种深埋大直径单孔廊道施工方法，单孔廊道包括玻璃钢管和外包混凝土，外包混凝土包覆于玻璃钢管的外侧的周向；深埋大直径单孔廊道施工方法包括：挖基坑；浇筑垫层；安装垫层支架；安装底部支架；放置玻璃钢管；连接玻璃钢管；安装钢结构：安装浇筑模板和抗浮结构；浇筑外包混凝土；拆除浇筑模板和部分抗浮结构。通过浇筑模板和抗浮结构可以限定出外包混凝土的浇筑空间，抗浮结构与固定结构连接，从而限制抗浮结构移动，进而有效避免玻璃钢管、浇筑模板发生移位，保证单孔廊道的精确性。浇筑模板和抗浮结构可以保证外包混凝土的浇筑精度，垫层支架和底部支架可以保证玻璃钢管的位置精度，进而保证单孔廊道的孔位的精度。
Construction method of deeply-buried large-diameter single-hole gallery
一种深埋大直径单孔廊道施工方法
YANG ZINAN (author) / WANG DONG (author) / KIM HYUN-YONG (author) / LIANG YUJIE (author) / YANG ZHONGMING (author) / ZHANG HONGHONG (author) / ZHANG GENYU (author)
2024-05-14
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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