2014年6月下 施工技术 第43卷第12期 CONSTRUCTION TECHNOLOGY 17 D0I:10.7672/5j52014120017 江坪河大坝趾板可变角度滑模施工技术* 吴远亮,王燕,李元 (武警水电第二总队第四支队,江西南昌330096) [摘要]江坪河大坝趾板混凝土采用可变角度滑模浇筑施工工艺及方法,对比常规滑模和普通模板施工,得出可变 角度滑模施工方法具有简单、经济、高效、安全等特点.详细介绍了可变角度滑模模体设计,具体施工技术及控制 要点.实践表明此滑模技术缩短了施工工期,经济效益良好. [关键词]坝;趾板;混凝土;滑模;施工技术 [中图分类号]TU755.2 [文献标识码]A[文章编号]1002-8498(2014)12-0017-03 Construction of Sliding Formwork with Variable Angle for Toe Slab of Jiangpinghe Dam Wu Yuanliang Wang Yan Li Yuan No.4 Detachment of No.2 Hydropower Force of Armed Police Nanchang Jiangxi 330096 China) Abstract:The construction process and method of sliding formwork with variable angle is used in concrete construction of toe slab of Jiangpinghe Dam.Compared with ordinary sliding formwork and ordinary formwork the sliding formwork has lots of advantages such as simple economic high efficiency and safety.The formwork body design concrete construction technology and control key points of sliding formwork with variable angle are introduced in detail.The result shows that the sliding formwork construction has reduced the construction period and the good economic benefit is obtained. Key words:dam;toe slab;concrete;sliding formwork;construction 1工程概况 2可变角度滑模提出背景 江坪河水电站位于水上游河段,地处湖北省 江坪河水电站大坝趾板由河床段、左右岸坡段 鹤峰县走马镇,为大(1)型一等工程,以发电为主,构成,各段趾板的“翘头”与其水平段夹角均不同, 兼顾防洪,装机2台,总装机容量450MW 多年平均 以及水平段长度、“翘头”上表面坡面长等均不同, 发电量9.64亿kWh.枢纽由混凝土面板堆石坝、 滑模架一次定型设计无法满足段的施工要求. 右岸泄水建筑物、左岸引水发电系统等建筑物组 根据趾板变化的特点,滑模模体采取分节设计加 成.江坪河混凝土面板堆石坝坝顶高程为476.0m 工,现场组装而成,这样一套滑模架可满足全部趾 坝顶宽10.0m 坝顶...
江坪河大坝趾板可变角度滑模施工技术-.pdf
