通仓浇筑
- pour monolithically
![通仓浇筑](../cache/1345963.jpg)
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大体积混凝土通仓浇筑水平约束应力分析
Horizontal Restraint Stress Analysis for Full Length Placement of Mass Concrete Blocks
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对三峡工程泄洪坝段混凝土通仓浇筑,建立了模拟混凝土施工过程的整体模型。
An entire model simulating concrete construction process in combination with the concrete pouring without longitudinal , joints of the Three Gorges Project spillway dam is established .
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从各块体中部最高温度、最大水平约束应力、断面平均水平约束应力、典型点应力发展过程、正反向应力变幅5个方面,比较系统地阐述了大体积混凝土通仓浇筑问题。
Full length placement of large concrete block is systematically expounded from the max temperature , max horizontal stress , average section stress , stress development process of typical points and maxium variation range of horizontal stress in the middle section of each block .
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施工中采用围堰基础分块浇筑、深槽置于覆盖层上、堰体混凝土不分缝通仓连续浇筑等技术措施,有效地保证了碾压混凝土连续快速施工。
The technical measures such as the block placement in the foundation of cofferdam , the deep channel in overburden layer and the continuous full face pouring without joint for cofferdam body concrete were adopted in the construction , so that the continuous quick RCC construction was effectively guaranteed .