大型过江输水钢管水下敷设整体沉管施工技术

Integral immersed pipe construction technology used for underwater laying of across river large water transmission steel pipe

以广西百色水库灌区输水工程过右江(东笋)大型输水钢管水下沉管为例,介绍DN2200 mm过江输水钢管水下敷设整体沉管的施工过程和特点,总结分析大型过江输水钢管水下敷设整体沉管施工的经验。

The large water transmission steel pipe of Baise Reservoir Irrigation Zone Project crosses Youjiang River.Taking the underwater immersed pipe construction of this large pipe with a diameter of 2200mm as example,an in⁃troduction was made on the construction process and characteristics of across river underwater integral immersed pipe,based on which the author summarized the construction experience.