Prestress concrete beam uses C 50 concrete usually.

预应力混凝土梁中通常采用C50混凝土.

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Gravity framing in the basement takes the form of a conventional concrete beam and slab design.

地下室的重力框架采用了传统的混凝土梁板的设计.

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The electrical resistance change of CFRP bar is about 2.54 % ～6.87 % at concrete beam failure.

当混凝土梁破坏时CFRP筋电阻变化率为2.54%-6.87%.

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Meanwhile, this procedure can get the whole course that reinforced concrete beam destroyed.

同时, 本文程序还能够得到钢筋混凝土梁从开始受力直至破坏的全过程.

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The paper introduces the optimum design of reinforced concrete beam with discrete variables full constraints.

研究了全约束条件下的钢筋混凝土矩形截面单筋梁离散变量优化设计.

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Gravity framing in the basement form of a conventional concrete beam and slab design.

地下室的重力框架接纳了传统的混凝土梁板的预设.

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At last, a method to improve durability of reinforced concrete beam bridges is presented.

最后, 根据计算分析结果,简要地指出了提高钢筋混凝土梁桥耐久性的方法.

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