它们的结果表明:钝切口比尖锐切口的动态应力强度因子增长率更快。
Their results showed a more rapid rate of increase in the dynamic sif for blunt than for sharp notches.
试验结果表明高性能混凝土中添加0.5%(体积比)的钢纤维对极限粘结强度略有提高,峰值粘结应力对应的滑移有较大的增长;
The experimental results indicated that when 0.5%(volume fraction) steel fibers were added to HPC, the ultimate bond stress was improved and the corresponding slip was also increased.
对由线应力性强化材料制造的薄壁钢箱梁在弯曲极限状态下的强度及有效宽比进行了分析。
In this paper, for the thin walled linear strengthened steel box beam, the strength and valid width ratio of flange is investigated under the condition of elastoplastic limit state.
结果表明,在扩展强度发挥面上,这几种材料的应力比与应变增量比之间仍具有线性关系。
The results indicate that the relationship between stress ratio and strain incremental ratio in these materials is still a linear relation on the extended moblized plane.
动强度曲线显示循环应力比与循环剪切破坏次数的对数基本呈直线关系。
The dynamic strength curve indicates that there is basically a linear relationship between the cyclic stress ratio and the logarithm of the cyclic number required at failure.
随着径向循环应力比的增加,土体的动强度降低。
It also can be observed that the dynamic strength decreases significantly as radial cyclic stress ratio increases.
介绍了高流态自密实砼的性能、配合比设计方法及其在中等强度等级预应力受弯拉砼构件中的应用试验及测试情况。
This paper introduced the characteristics of high dense fluid concrete, design of batching ratio, the experiment and test of bent concrete component in medium hardness prestress.
通过在路堤下埋设钢弦式压力盒,获得了路堤下低强度砼桩、水泥搅拌桩以及土的应力比数值随时间的变化规律,并分析了三者荷载分担比随时间的变化特性。
Through pressure metre under embankment, the magnitude of pile-soil stress ratio and its variation with the time are measured, and the variation of pile-soil load share ratio with time is analyzed.
进而提出采用平行杆模型模拟洞室围岩,以西南某深埋隧洞为例,推出了岩爆应力强度比判据分界点的统计损伤意义。
The statistical damage mechanical essence of the stress-strength ratio criterion is discovered on the base of the data from a SW deep lying tunnel.
同时,发现动态应力强度因子比相应的静态应力强度因子大。
Meanwhile, we find the dynamical stress intensity factor is bigger than the statical stress intensity factor under the same conditions.
在此基础上,分析了双轴拉-压极限强度随冻融循环次数的变化规律,并在主应力空间和八面体应力空间建立了同时考虑冻融循环次数和拉压比的破坏准则。
On this basis, the failure criterion of concrete simultaneously considering the freeze-thaw cycle and tension-compression ratio in principle stress space and octahedral space is established.
确定了尾矿料的动力强度和动力参数。并探讨了颗粒组成、固结围压、固结压力比、动应力对动强度的影响。
The dynamic strength and parameters were determined, and some influential factors, such as particle composition, confining pressure, consolidated stress ratio and dynamic stress, were discussed.
通常情况下,大幅度提高抗压强度混凝土用于预应力结构比普通钢筋混凝土建造的。
Ordinarily, concrete of substantially higher compressive strength is used for priestess's structures than for those constructed of ordinary reinforced concrete.
测量界面强度的主要困难在于寻求一种便于试验的试件形状和加载方式,使得界面上能够产生不同的应力状态,即在不同的剥离应力和剪应力比的状态下发生破坏。
The main difficulty is to find a test method with simple specimen shape and loading style to cause different interface stress modes, that is, normal stress and shear stress dominated modes.
在流动剪切应力为残余剪切强度时,对剪切带内部的局部孔隙比和平均孔隙比进行了理论分析。
Local void ratio and average void ratio in shear band are investigated as residual shear strength is reached.
土体在动力荷载作用下,当动荷载与土体静强度的比值即循环应力比超过某一临界循环应力比时,土体才会发生累积变形和强度弱化。
The cycle stress ratio is the ratio of dynamic strength and soil static strength, as it passes the critical cycle stress ratio, accumulated deformation takes on and soil strength declines.
采用双剪应力强度理论,考虑材料的拉压强度比,求解了简支圆板在爆炸冲击荷载波荷载作用下的动力响应问题。
The dynamic response of a simply supported circular plate under moderate impulsive loading is solved with the unified strength theory.
采用双剪应力强度理论,考虑材料的拉压强度比,求解了简支圆板在爆炸冲击荷载波荷载作用下的动力响应问题。
The dynamic response of a simply supported circular plate under moderate impulsive loading is solved with the unified strength theory.
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