1 试谈拔管灌浆技术与灌浆盒灌浆技术在三峡电站的应用【摘要】混凝土浇筑过程中,在大型预埋件底部经常会遇到局部无法浇筑密实的问题, 此时就需要采取必要的灌浆措施进行施工。本文借鉴长江三峡工程施工过程中钢肘管、钢蜗壳底部灌浆的一些成功经验, 主要以蜗壳底部灌浆为例, 简要说明拔管灌浆施工技术以及预埋灌浆盒施工技术的应用。【关键词】三峡;混凝土;拔管;灌浆盒 Pull out the tube infuse syrup technique with infuse syrup box to infuse syrup technique 蕌 at the Yangtse gorges electricity station of application Liu Feng,Xu Ting-ting (The water conservancy in China water electricity three engineering office pany Xian Shanxi 710016) 【 Abstract 】 The concrete sprinkle to build process in, at large prepare to cover upa bottom to usually meet part can ’t sprinkle to build a close-grained problem, adopt for the demand at this time necessity of infuse and strach the measure carry on text draw lessons from Yangtse gorges 2 engineering in Yangtze River construction the steel elbow in the process tube, the steel Gua hull bottom infuse syrup of some ess experience, main with Gua hull the bottom infuse syrup for example, synopsis elucidation pull out tube to infuse syrup construction technique and prepare to cover up to infuse syrup box construction technique of application. 【 Key words 】 Yangtse gorges;Concrete;Pull out a tube;Infuse a syrup box 1. 概述三峡工程混凝土施工过程中,根据施工部位的不同, 采用了预埋拔管灌浆和预埋灌浆盒灌浆两种灌浆方法, 其中钢肘管底部主要采用了预埋拔管进行灌浆, 而钢蜗壳底部由于混凝土浇筑难度相对较大, 采用了预埋拔管和预埋灌浆盒两种方法相结合的灌浆方式保证混凝土浇筑密实。以下主要介绍三峡电站蜗壳底部钢衬与混凝土之间灌浆施工技术。 2. 布置三峡电站蜗壳底层混凝土自 浇至 , 按4 个象限分为 4 个浇筑