...量;张拉设备;实际伸长量; [gap=253]Key Words 】 : tension; theoretical elongation; tension equipment; actual elongation ...
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桥梁预应力施工中经常会遇到实际伸长量与设计伸长量不符,且差值较大的情况。
During prestressing construction of bridge, it often appears the situation that the real elongation is not conformed to the design elongation and often with larger difference.
实际应用结果表明,以优化参数制作的压电陶瓷微位移器,在其伸长量、轴向刚度及频响范围等性能指标上可提高约20~30%。
Practical application results show that the actuator which is made up by optimum parameter is improved by about 20%—30% in its deforming length, axial stiffness and bandwidth.
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