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1)  delayed plastic strain
滞后塑性应变
2)  plastic hysteresis
塑性滞后
3)  post-strain
滞后应变
1.
Supposing the concrete structure is loaded at two times,based on the elastoplastic theory,the accurate calculation methods for calculating the post-strain of fibre cloth are presented when the structure is in unloading and loading condition,and a calculation method of the best unloading value is given when the structure can be unloaded.
在考虑二次受力的基础上,基于弹塑性理论,提出了在对构件卸载时和未卸载时纤维布滞后应变的精确计算方法、卸载加固对象的最佳卸载值的计算方法。
2.
Having drawed lessons from research achievement of the Post-Strain, This paper, Through parameter analysis of the Post-Strain from the Post-Strain formulation of "The Tech.
借鉴已有的碳纤维布滞后应变研究成果,通过对《碳纤维片材加固混凝土结构技术标准》(CECS146:2003)推荐的滞后应变公式进行参数分析,给出碳纤维布滞后应变的简化计算方法。
4)  strain-lag
应变滞后
1.
8 specimens of square columns were tested and the results including strength, layers, axial compression ratio and strain-lag are analyzed.
结合具体工程实践,分析了高性能GFRP条带等间距包裹钢筋混凝土方柱的强度、层数影响和轴压比导致的应变滞后情况。
5)  lagged strain
滞后应变
1.
Calculation method for lagged strain of reinforced concrete beams strengthened with CFRP laminates
CFRP加固钢筋混凝土梁滞后应变计算方法
2.
Calculating results,about lagged strain and quantity of carbon fiber sheet,obtained by these two methods respectively were also compared,through computing an example.
考察了CECS 146∶2003《碳纤维片材加固混凝土结构技术规程》(2007年版)和GB50367-2006《混凝土结构加固设计规范》所提供的碳纤维布加固混凝土受弯构件正截面承载力计算公式的异同,并且通过具体的算例,对按两本标准规范计算得到的滞后应变和碳纤维布的用量进行了比较。
6)  pseudoplastic hysteresis loop
假塑性滞后回线
补充资料:弹性滞后
分子式:
CAS号:

性质:一种动态黏弹性现象,即聚合物在交变应力(应力大小呈周期性的变化)作用下,形变的变化总是滞后于应力的变化。产生该现象的主要原因是聚合物受外力后,其链段的运动要克服内摩擦力,从一种状态过渡到与外力相适应的状态需要一定时间,故形变不能立即产生;同样当外力除去后,形变也不能马上回复。弹性滞后使汽车轮胎、橡胶传送带、塑料齿轮等制品产生力学阻尼(内耗)等动态黏弹性现象。

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