Reconstructed ecological drainage tunnel structure combined with permanent plug

The utility model relates to the technical field of water conservancy and hydropower engineering construction diversion. The utility model discloses a reconstructed ecological drainage tunnel structure combined with a permanent plug. The device comprises a diversion tunnel and a permanent plug arran...

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Main Authors QI ZUFANG, CAO QUXIU, WANG JIE, RAO ZHIWEN, LI HENG, WENG YONGHONG, XU TANGJIN, FAN WUYI, WU QIANJIN, QIAN JUNXIANG
Format Patent
LanguageChinese
English
Published 07.04.2020
Subjects
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
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Summary:The utility model relates to the technical field of water conservancy and hydropower engineering construction diversion. The utility model discloses a reconstructed ecological drainage tunnel structure combined with a permanent plug. The device comprises a diversion tunnel and a permanent plug arranged in the diversion tunnel, an ecological drainage hole is formed in the lower portion of the permanent plug, a rebuilt arc door lock chamber section and a rebuilt outlet diffusion section are arranged on the downstream side of the permanent plug, a grouting gallery is arranged in the permanent plug and located above the ecological drainage hole, and the grouting gallery extends to the upstream side of the dam main curtain line towards the upstream and extends to the rebuilt arc door lock chamber section towards the downstream. According to the reconstructed ecological drainage tunnel structure combined with the permanent plug, a diversion bottom hole is prevented from being formed in the low elevation position of
Bibliography:Application Number: CN201920803675U