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发明公开
CN102748037A 盾构法隧道抗浮锚杆节点的防水构造 有权

盾构法隧道抗浮锚杆节点的防水构造
摘要：
本发明公开了一种盾构法隧道抗浮锚杆节点的防水构造，包括内置密封端板的钢管体和设置在所述钢管体外侧面的止水钢环，所述密封端板上开设有锚杆孔；所述密封端板焊接密封设置在所述钢管体内部；穿设在所述锚杆孔中的锚杆与所述密封端板焊接密封；所述钢管体包括同轴设置的第一钢管和第二钢管，所述第二钢管的直径大于所述第一钢管的直径，所述第二钢管的一端通过连接钢环与所述第一钢管的一端焊接固定。本发明的盾构法隧道抗浮锚杆节点的防水构造，结构简单、易操作，且无论是在管片生产还是锚杆施工，所述防水构造较其他防水装置操作简单且防水效果良好。
摘要（英）：

The invention discloses a waterproof structure for a shield-method tunnel anti-floating anchor rod node, which comprises a steel pipe body with a built-in seal end plate, and a water-seal steel ring arranged on the outer side surface of the steel pipe body, wherein the seal end plate is provided with an anchor rod hole; the seal end plate is welded inside the steel pipe body in a seal mode; the anchor rod penetrating through the anchor rod hole is welded with the seal end plate in a seal mode; the steel pipe body comprises a first steel pipe and a second steel pipe which are arranged coaxially; the diameter of the second steel pipe is greater than that of the first steel pipe; and one end of the second steel pipe is welded and fixed with one end of the first steel pipe through a connecting steel ring. The invention has the advantage of simple structure, is easy to operate; and compared with other waterproof devices, the invention is simpler to operate and has better waterproof effect in both pipe piece production and anchor rod construction.

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