The new method to calculate the punch load is proposed based on FEA and experimental results. This is significant in theory and practice to…

在有限元模拟和实验分析的基础上，提出了计算冲裁力的新方法，对揭示剪切加工机理及正确确定冲裁力有理论和实际意义。

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Abstract: During the service life of a bridge, it is impossible to avoid damage accumulation and function degeneration due to traffic load, environmental corrosion and accidental punch.

摘要桥梁结构在其服役过程中，由于荷载作用和各种环境不利因素的影响，结构不可避免的会产生累积损伤和功能退化，如不及时采取措施，甚至会导致突发事故。

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Its main products include pulling tool, spring tester, measuring tool, image measuring apparatus, load curve measuring tool and paper tape punch, and other instruments.

公司主要销售有拉力计、弹簧测试仪、量具、影像测量仪、荷重曲线仪及纸带机等仪器设备。

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