过大的局部超负荷超过轧辊外层的抗剪切强度时则会引发裂纹。
High local loads at leading edges, cobbles or doubling of the strip end (tail end pinching), exceed the shear strength of the shell material and initiate the crack.
丁宏,吴建勇。不同偶联剂和粘接剂对烤瓷瓷面与金属托槽抗剪切强度影响的体外研究[J]。
DING Hong, WU Jian-Yong. The vitro study of the influence of different silane coupling agents and adhesive materials on shear bond strength of metal brackets to porcelain surface [J].
摘要[摘要]目的研究不同类型硅烷偶联剂和粘接剂对烤瓷瓷面与金属托槽之间抗剪切强度的影响。
Abstract: Objective: to investigate the influence of different silane coupling agents and different adhesive materials to the shear bond strength of metal brackets bonded to porcelain surface.
提出了无剪切钢筋的钢筋混凝土平板在仅传递剪力时,其抗剪强度的计算方法。
A new method for computing shear strength of reinforced concrete flat plate without shear reinforcement while transferring shearing force only is presented herewith.
得出,该方法是提高复合材料层间剪切强度和抗烧蚀性能的有效方法,它可使层间剪切强度提高17.5 % ,线烧蚀率减小58.6 % 。
The results show that the treatment makes the interlaminar shear strength of the composite increased 17.5% and the linear ablation rate decreased 58.6%.
然后选取珞珈山土样进行了室内非饱和土的三轴剪切试验,得出试验土样的抗剪强度参数。
Secondly, Luojiashan soil samples were selected for the unsaturated triaxial tests and the shear strength parameters were obtained.
采用剪切波速与振动三轴联合试验装置,研究了具有松散结构的原状和重塑饱和粉土抗液化强度之间的相关性。
The correlation between cyclic liquefaction resistance of undisturbed and remolded saturated loose silts was studied using the cyclic triaxial apparatus with measurements of shear wave velocity.
抗剪强度和剪切变形是砼的基本力学性能,又是强度理论研究和有限元分析的重要数据。
Shear strength and shear strain are the basic properties in mechanics of concrete. They also serve as important data for finite element and failure criterion research on concrete.
结合南阳地区膨胀土的抗剪强度研究,对其现场剪切试验的试样制备及试验方法进行探讨,提出了膨胀土抗剪强度的修改计算公式。
Taking the expensive soil in Nanyang Area, Henan Province, as study case, the in-situ shear test method, including preparing samples and test method, is proposed in the paper.
在水力侵蚀作用下黄土破坏实质上是剪切破坏,但土壤抗剪强度表现形式与外载荷作用形式密切相关。
The destruction of soil is shearing in effect, but the representation of soil anti-shearing strength is closely related to the mode of external load action.
对混凝土的抗剪强度、静力及动力剪切模量和弹性模量作了实验研究分析。
Experimental studies were conducted on concrete shear strength, static and dynamic modulus of rigidity and Youngs modulus.
通过对钢筋混凝土构件抗剪强度和抗弯强度关系的分析,能找出剪切强度控制区的下包络线。
The lower enveloping curve of the shear strength control zone can be found from the analysis of shear and flexural strength of reinforced concrete member.
利用环剪仪的试验特点,可以研究土体在较大剪切位移下抗剪强度的变化规律。
Making use of the test features of ring shear apparatus, the change law of shear strength of soils under large shear displacement can be studied.
结果表明,采用纤维对钢筋混凝土梁进行剪切加固后,其抗剪强度明显提高,但对梁的刚度和变形影响较小。
The results show that RC beams strengthened by CFRP or GFRP can increase the shear bearing capacity of the beams, but has little effect on the beam stiffness.
焊剂中较高的松香浓度明显有益于焊点的抗剪切蠕变强度,而对瞬时剪切强度影响不大。
It was also found that higher concentration of rosin in flux is beneficial for shear creep resistance of the joints, while its effect on the instantaneous shear strength is less obvious.
针对沥青路面层间推移问题,设计开发了路面材料剪切仪用于层间抗剪强度测试。
Aiming at the phenomenon of cutting slippage between the layers of the asphalt pavement, a machine is designed to test the shear-strength between pavement layers.
水—砼块相互作用前后砼块剪切面上的抗剪强度及因水化学作用而导致剪切面上的抗剪强度的增量均较好地满足摩尔—库仑强度准则;
The shear strength and the strength increments of concrete are both obeying to Mohr-Coulomb rule before and after the water-concrete action.
结果表明,在给定的应变破坏标准下,饱和砂土剪切波速与抗液化强度具有良好的相关性。
The result shows that the shear-wave velocity of saturated sand could be strongly related to the liquefaction resistance under a certain liquefaction criterion.
泰盛结构胶具有较强的拉伸、剪切与剥离强度,耐冲击、耐压、抗振动。
Tightsen structural adhesives have excellent tensile, shear and peel strength combined with maximum impact, stress and vibration resistance.
但是砂土的试验结果却表明,砂土的抗剪强度指标几乎不受剪切路径的影响,这与粉土的试验结果有所区别。
But tests in sand indicates that the shearing strength parameters of sand is barely affected by shearing paths.
通过4组超高强度混凝土梁剪切试验,考察各主要因子对剪压破坏梁抗剪强度的影响。
Study on shear compression failure of RC beams without stirrups was carried out by 4 series of ultrahigh strength specimens to estimate the influence of each design parameter separately.
这里的研究结果支持饱和松散试验土样的初始剪切波速可以作为控制其抗液化强度的一个关键参数。
The results supported that the initial shear wave velocity of loose saturated soils was a key parameter controlling its cyclic liquefaction resistance.
对燃烧臂底座进行了弯曲强度、剪切强度及抗挤压强度的校核。
And finally, the strength of bending, shearing and extruding is checked.
通过123个混凝土试件与CFRP、GF R P片材的抗剪粘结强度试验结果,分析FRP片材与混凝土发生剪切粘结破坏的全过程以及破坏特征,讨论了粘结力与粘结滑移的关系。
Based on 123 specimens results of the shear bond test of FRP and concrete, the failure characteristics of bond test are described, and the relationship of bond strength and bond slip is discussed.
针对在条带开采煤柱尺寸设计中大多数是采用强度稳定性分析的方法,而没有考虑弱面对煤柱稳定性的影响,由于弱面的存在,煤柱常常会因抗剪强度不够而产生剪切破坏等问题。
In the dimension design of coal pillars in strip mining, presently, most of them are carried out by analyzing strength stability, without considering the effect of weak plane in coal pillar.
针对在条带开采煤柱尺寸设计中大多数是采用强度稳定性分析的方法,而没有考虑弱面对煤柱稳定性的影响,由于弱面的存在,煤柱常常会因抗剪强度不够而产生剪切破坏等问题。
In the dimension design of coal pillars in strip mining, presently, most of them are carried out by analyzing strength stability, without considering the effect of weak plane in coal pillar.
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