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Concrete pouring construction method for reconstruction of runner chamber of hydropower station
A hydropower station runner chamber transformation concrete pouring construction method comprises the following steps that S1, a disassembly interface of a hydropower station runner chamber is subjected to scabbling treatment, and a reinforcing mesh is arranged on the surface of the disassembly interface; s2, after the reinforcing mesh is bound, a cooling water pipe is installed; s3, a lower ring assembly and a middle ring assembly are installed; s4, foundation bolts are installed; s5, mounting the foundation ring; s6, coaming installation; s7, performing external support reinforcement on the steel lining; s8, sensor installation; s9, pouring and curing concrete in a steel lining area; s10, pouring and curing concrete in a seat ring area; and S11, grouting reinforcement is conducted. Through the steps, the runner chamber is transformed, the concrete conveying path is simple, the continuity is good, the pouring efficiency is high, and the pouring quality is good; concrete pouring in the steel lining area is pumped from the fixed guide vane side, construction of other working faces above the runner chamber is not affected, the construction feasibility is good, and the method is particularly suitable for the situation that a large water-turbine generator set reforms multiple working faces to conduct parallel construction.
一种水电站转轮室改造混凝土浇筑施工方法，包括以下步骤：S1.水电站转轮室拆除界面凿毛处理，在拆除界面表面布置钢筋网；S2.钢筋网绑扎好后，安装冷却水管；S3.下环组件和中环组件安装；S4.地脚螺栓安装；S5.基础环安装；S6.围板安装；S7.对钢衬进行外支撑加固；S8.传感器安装；S9.钢衬区域混凝土浇筑及养护；S10.座环区域混凝土浇筑及养护；S11.灌浆加固。通过上述步骤，实现转轮室改造，混凝土输送路径简单，连续性好，浇筑效率高，浇筑质量好；钢衬区域混凝土浇筑从固定导叶侧泵送，不影响转轮室上方其他作业面施工，使得施工可实施性好，尤其适用于大型水轮发电机组改造多个作业面并行施工的情况。
Concrete pouring construction method for reconstruction of runner chamber of hydropower station
A hydropower station runner chamber transformation concrete pouring construction method comprises the following steps that S1, a disassembly interface of a hydropower station runner chamber is subjected to scabbling treatment, and a reinforcing mesh is arranged on the surface of the disassembly interface; s2, after the reinforcing mesh is bound, a cooling water pipe is installed; s3, a lower ring assembly and a middle ring assembly are installed; s4, foundation bolts are installed; s5, mounting the foundation ring; s6, coaming installation; s7, performing external support reinforcement on the steel lining; s8, sensor installation; s9, pouring and curing concrete in a steel lining area; s10, pouring and curing concrete in a seat ring area; and S11, grouting reinforcement is conducted. Through the steps, the runner chamber is transformed, the concrete conveying path is simple, the continuity is good, the pouring efficiency is high, and the pouring quality is good; concrete pouring in the steel lining area is pumped from the fixed guide vane side, construction of other working faces above the runner chamber is not affected, the construction feasibility is good, and the method is particularly suitable for the situation that a large water-turbine generator set reforms multiple working faces to conduct parallel construction.
一种水电站转轮室改造混凝土浇筑施工方法，包括以下步骤：S1.水电站转轮室拆除界面凿毛处理，在拆除界面表面布置钢筋网；S2.钢筋网绑扎好后，安装冷却水管；S3.下环组件和中环组件安装；S4.地脚螺栓安装；S5.基础环安装；S6.围板安装；S7.对钢衬进行外支撑加固；S8.传感器安装；S9.钢衬区域混凝土浇筑及养护；S10.座环区域混凝土浇筑及养护；S11.灌浆加固。通过上述步骤，实现转轮室改造，混凝土输送路径简单，连续性好，浇筑效率高，浇筑质量好；钢衬区域混凝土浇筑从固定导叶侧泵送，不影响转轮室上方其他作业面施工，使得施工可实施性好，尤其适用于大型水轮发电机组改造多个作业面并行施工的情况。
Concrete pouring construction method for reconstruction of runner chamber of hydropower station
一种水电站转轮室改造混凝土浇筑施工方法
YE DEZHEN (author) / GENG ZAIMING (author) / ZHU SISI (author) / ZOU KAIFANG (author) / LAN PENG (author) / WAN GANG (author) / XIANG LEILEI (author) / TU SHUHAO (author) / ZHANG YI (author) / ZHU QUANPING (author)
2024-08-06
Patent
Electronic Resource
Chinese
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