1) stress and strain lag
应力应变滞后
2) 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。
3) 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。
4) 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。
5) stress hysteresis
应力滞后
1.
Based on the finite element software ANSYS,three-dimensional simulation model of the inclined leg rigid frame arch bridge is established according to the Solid65 unit,the stress hysteresis effect and the second stress performance of the surrounding concrete reinforcement process on the inclined rigid frame arch bridge,as well as the influences of it on bridge lateral rigidity are studied.
应用有限元软件ANSYS,采用Solid65单元建立了斜腿刚架拱桥的三维仿真模型,并研究了外包混凝土加固法对斜腿刚架拱桥的应力滞后效应、二次受力性能及其对桥梁横向刚度的影响,研究结果表明,外包混凝土加固法有明显的应力滞后现象,但对斜腿刚架拱桥具有明显的加固效果,并且能增强桥梁的横向整体刚度。
6) stress and strain ring
应力应变滞回圈
1.
Based on a lot of triaxial experiments, changes in excess pore-pressure, stress and strain ring and stress path of saturated sand of Xiangjiang River are studied under condition of isotropic consolidation and vibration.
在大量的动三轴试验基础上,研究了等压固结条件下湘江饱和砂土振动孔隙水压力、应力应变滞回圈以及应力路径的发展变化规律。
补充资料：动态应力-应变曲线
分子式：
CAS号：
性质： 在具有强迫正弦振荡的动态试验中，让黏弹性体作稳定振动，以力对变形作图，在十个周期中的轨迹为一封闭曲线，称之为动态应力-应变曲线。动态试验的结果取决于试验条件：试样形状、形变方式、应变振幅、应变历程、频率和温度。从动态应力-应变曲线可以求得黏弹性体的许多动态力学性能，如从封闭曲线面积可以求得在一个周期内材料内部的发热量。
CAS号：
性质： 在具有强迫正弦振荡的动态试验中，让黏弹性体作稳定振动，以力对变形作图，在十个周期中的轨迹为一封闭曲线，称之为动态应力-应变曲线。动态试验的结果取决于试验条件：试样形状、形变方式、应变振幅、应变历程、频率和温度。从动态应力-应变曲线可以求得黏弹性体的许多动态力学性能，如从封闭曲线面积可以求得在一个周期内材料内部的发热量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条