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发明公开
CN110454200A 一种双壁小导管注浆装置及其施工方法 审中-实审

一种双壁小导管注浆装置及其施工方法
摘要：
本发明公开了一种双壁小导管注浆装置及其施工方法。包括有第一注浆管，第一注浆管上端套有第二注浆套管，第二注浆套管上方第一注浆管上设有第一闸阀，靠近第一闸阀的第二注浆套管上设有第二闸阀，第二注浆套管下方第一注浆管上均匀分布有第一注浆孔；第二闸阀下方的第二注浆套管上均匀分布有第二注浆孔。本发明具有施工速度快，注浆效果好，结构简单，使用方便，注浆效果忧，成本低的有益效果。
摘要（英）：

The invention discloses a double-wall small guide pipe grouting device and a construction method thereof. The double-wall small guide pipe grouting device comprises a first grouting pipe, a second grouting sleeve sleeves the upper end of the first grouting pipe, a first gate valve is arranged at the position, located on the first grouting pipe, of the upper part of the second grouting sleeve, a second gate valve is arranged at the position, located on the second grouting sleeve, close to the first gate valve, first grouting holes are evenly distributed at the position, located on the first grouting pipe, of the lower part of the second grouting sleeve, and second grouting holes are evenly distributed at the position, located on the second grouting sleeve, of the lower part of the second gate valve. The double-wall small guide pipe grouting device has the beneficial effects of high construction speed, good grouting effect, simple structure, convenient use, good grouting effect and low cost.

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