1) unstable limit strain
失稳极限应变
2) Ultimate strain
极限应变
1.
It was thought that the existence of ultimate strain of pavement structure was the base of perpetual pavement design concept.
认为路面结构极限应变的存在是长寿命路面设计理念的基础,提出路面基于抗疲劳和抗永久变形的结构组合原则,并根据国外典型结构组合提出长寿命路面结构组合设计框架,同时提出路面各结构层须分功能进行设计,最后提出了路面设计的3个力学指标,对我国长寿命路面结构组合设计具有重要借鉴作用。
2.
The main differences are that the peak strength of carbonized concrete increases about 60% but the ultimate strain decreases about 30%, which provides a basis for current commercial c.
通过对砼试件快速碳化试验结果的分析,得出砼碳化后受压应力———应变关系的三个特征值,并将理论分析的结果与试验结果进行对比,得出碳化砼与未碳化砼相比没有实质性区别,主要不同点为碳化砼峰值强度提高60%,极限应变降低30%,为现有的商业化结构设计和分析程序考虑砼碳化的影响提供了依据。
3.
Simultaneously, the experimental data such as an ultimate strain of material are.
提出了板架结构加强筋相对刚度概念 ,确定了破口长度的估算系数 ,同时为舰船结构在水下爆炸作用下的破口数值计算提供了试验数据 ,如材料断裂极限应变
4) strain limit
应变极限
1.
Strain limits,including ovalization limit,tensile strain limit and compressive strain limit,are compared in this paper based upon various codes and recommendations.
从国内外管道设计标准和最新的研究进展出发,对处于极限状态的椭圆化、拉伸和压应变极限的现行基于应变的标准进行了对比,分析了管道应变极限的多种控制因素,明确了多种影响因素对于管道应变极限的控制。
5) Ultimate tensile strain
极限拉应变
1.
The ultimate tensile strain of the composites was measured by half-bridge strain guages corresponding to the loads measured by the full-bridge strain gauges.
各水平测点处起裂荷载对应的半桥应变片的应变值即为材料的极限拉应变,根据最大应变开裂准则,利用半桥法可测得裂缝临界长度的范围。
2.
This paper analyzes the influence of SRA on the shrinkage-cracking property of HPC by designing five check-up experiments including desiccation-shrinkage,autogeous shrinkage,fiat-restraint,anti-chloride ion penetration and ultimate tensile strain.
设计了干燥收缩、自收缩、平板约束、抗氯离子渗透性以及极限拉应变等5种试验方法来检验减缩剂对高性能混凝土收缩开裂性能的影响。
3.
The ultimate tensile strain of the composites was measured by half-bridge strain guages corresponding to the loads measured by the full-bridge strain gauges.
各水平测点处起裂荷载对应的半桥应变片的应变值即为材料的极限拉应变,根据最大应变开裂准则,利用半桥法可测得裂缝临界长度的范围。
6) ultimate compression strain
极限压应变
1.
In this paper, calculation method for ultimate compression strain (UCS) of concrete-filled steel tubular columns (CFT) is firstly introduced in brief; Recommended limit values of UCS of CFT are presented through parameter analysis.
首先介绍了圆钢管混凝土中核心混凝土极限压应变的计算方法,通过参数分析,给出了核心混凝土极限压应变的限值。
2.
In this paper a calculating method for predict-ing the ultimate compression strain of CFT is presented for the first time,which is based on an energy balance approach.
钢管混凝土极限压应变是钢管混凝土结构抗震设计的重要参数之一。
补充资料：裂纹失稳扩展
分子式：
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
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