Analysis on voiding of steel lining of draft tube of Ertan hydropower station and its treatment

Dam & Safety ›› 2018, Vol. 0 ›› Issue (5): 44-.

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Analysis on voiding of steel lining of draft tube of Ertan hydropower station and its treatment

YANG Yin- hui, HAN Xian- yu, MIN Si- hai and WU Wen- yong

Yaloug River Hydropower Development Co., Ltd.

Received:2018-04-04 Online:2018-10-08 Published:2018-10-08

二滩水电站尾水管锥管钢衬脱空原因分析及处理

杨银辉，韩先宇，闵四海，吴文勇

雅砻江流域水电开发有限公司，四川成都，610051

作者简介:杨银辉（1983- ），男，湖南省宁乡市人，高级工程师，从事水电站大坝安全管理工作。

Abstract

Abstract: Aiming at the lining voiding of draft tube of tailpipe of Ertan hydropower station, the cause reasons are analyzed in the aspects such as draft tube construction technology, structural arrangement and the unit operation mode. As well, the steel lining contact grouting is introduced, worthy reference.

Key words: draft tube of tailpipe, steel lining voiding, chemical grouting, Ertan hydropower station

摘要： 针对二滩水电站尾水管锥管段钢衬脱空问题，从尾水管结构布置、施工工艺及机组运行方式等方面分析了尾水管锥管钢衬脱空的原因，介绍了钢衬接触灌浆的材料和工艺，对类似缺陷处理有一定的参考意义。

关键词: 尾水管锥管, 钢衬脱空, 化学灌浆, 二滩水电站

YANG Yin- hui, HAN Xian- yu, MIN Si- hai and WU Wen- yong. Analysis on voiding of steel lining of draft tube of Ertan hydropower station and its treatment[J]. Dam & Safety, 2018, 0(5): 44-.

杨银辉，韩先宇，闵四海，吴文勇. 二滩水电站尾水管锥管钢衬脱空原因分析及处理[J]. 大坝与安全, 2018, 0(5): 44-.

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Analysis on voiding of steel lining of draft tube of Ertan hydropower station and its treatment

二滩水电站尾水管锥管钢衬脱空原因分析及处理

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