Based on design criterion and construction practice, the paper presented the method to treat beam - column node concrete with different strength grade in course of design and construction.

在设计规范与工程实践的基础上，着重论述了梁柱节点不同混凝土强度等级在设计和施工中的处理方法。

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In course of the development of the membrane tank, via the status analysis is heated. The electron beam welding norm parameter chose in the optimization.

在橡胶隔膜贮箱的研制中，通过对焊接过程中隔膜受热状态分析，优化选择了电子束焊接规范参数；

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The internal force of stone arch bridge in the course of cracking at arch foot was computed using the spatial finite beam element method.

采用空间梁单元对实际的石拱桥拱脚开裂现象进行了有限元模拟分析。

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