试验证明，免拆模板网用在一、二期混凝土中可以代替人工凿毛工艺。
It has proved by the experiment that the non - removal mesh form can replace the manual roughing on concrete surface in the first and second stage concrete construction.
经过几年的运行实践表明，三峡二期混凝土拌和系统设计、建设是成功的。
The practice of operation for several years has proved that the design and construction of the second phase concrete batching system are successful.
利用该方法可以对结构的各受力阶段进行模拟计算，得出各阶段预弯钢梁、一期混凝土、二期混凝土的应力和结构变形，并能计算出预弯组合梁的开裂荷载和极限破坏荷载。
With the method, each mechanical stage of this kind of structure could be simulated and calculated including crack moment, ultimate strength, stresses and deflections of all stages more precisely.
三峡工程二期围堰混凝土防渗墙是围堰工程成败的关键。
The concrete impervious wall for the second phase cofferdam in the Three Gorges Project is the key to the cofferdam.
三峡工程二期上下游横向围堰与混凝土纵向围堰共同形成基坑，保证二期工程施工。
The second stage foundation pit of the TGP will be bounded by the upstream and downstream transverse cofferdams and the longitudinal concrete cofferdam.
万安水电站二期主体工程溢流坝6 ~15坝段、左岸非溢流坝5坝段和左导墙部分拟采用碾压混凝土筑坝技术。
Roller compacted concrete (RCC) will be used in section no. 6-no. 15 of the spillway dam, section no. 5 of the non - overflow dam near the left side bank and the left guide wall of Wan 'an Project.
万安水电站二期主体工程溢流坝6 ~15坝段、左岸非溢流坝5坝段和左导墙部分拟采用碾压混凝土筑坝技术。
Roller compacted concrete (RCC) will be used in section no. 6-no. 15 of the spillway dam, section no. 5 of the non - overflow dam near the left side bank and the left guide wall of Wan 'an Project.
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