1) axial tension initial cracking strength
轴拉初裂强度
1.
Application of fiber distance theory on the calculation for axial tension initial cracking strength of steel fiber reinforced concrete;
钢纤维间距理论在混凝土轴拉初裂强度计算中的应用
2.
The axial tension initial cracking strength of steel fiber reinforced concrete is an important index for determining the cracking behavior of this kind of material, and is also the index for indirectly determining the other mechanical behavior such as initial shearing strength.
通过对钢纤维混凝土轴拉试验结果的分析 ,研究了钢纤维外形和体积率、混凝土强度等级对钢纤维混凝土轴拉初裂强度的影响 。
2) first-crack strength
初裂强度
1.
Through the load-deflection curves of SFRC,the effects of fiber kinds and fiber content on the first-crack strength and the flexural toughness of SFRC were contrasted with those of concrete.
参照美国材料与试验协会(ASTM)试验方法,对满足超高距离泵送要求且抗裂性能优异的纤维混凝土的初裂强度和弯曲韧性进行了研究。
3) initial cracking strength
初裂强度
1.
The initial cracking strength and ultimate fracture strength of steel-polypropylene hybrid fiber-reinforced concrete(SPHFRC) and steel fiber-reinforced concrete(FRC) were studied statistically.
对钢-聚丙烯混杂纤维增强混凝土(SPHFRC)和钢纤维增强混凝土(FRC)试块冲击后的初裂强度和断裂强度进行统计分析,结果表明:SPHFRC的平均初裂强度、断裂强度比FRC的大;FRC和SPHFRC 2种样品的协方差远大于15%,不完全服从正态分布;为了保障测量值所在置信度区间的准确性,必须确保最少样品数量。
4) first crack strength
初裂强度
1.
For the hardened concrete,compressive strength, elastic modulus, split strength,first crack strength and modulus of rupture are measured.
为了研究哑铃型钢纤维对混凝土力学性能的效用 ,试验研究了新拌纤维混凝土的坍落度和密度 ,测定了纤维混凝土的抗压强度、弹性模量、抗劈裂强度 ;基于美国 ASTM及日本 JCI方法 ,用四点弯曲梁测得了抗弯初裂强度、抗弯拉强度和抗弯韧性等。
2.
On the basis of the model,the formula for calculating the first crack strength of cement composites is established, that is,first crack strength ratio rc,is the function fo fibre volume v, and critical fibre volume v10.
本文根据线弹性断裂力学及纤维间距理论对纤维增强水泥基内部存在的微裂缝形状提出假设,并在此基础上导出了估算复合材料初裂强度的计算公式,即初裂强度比γ_(cr)是纤维体积含量γ_f及临界纤维体积含量γ_(f0)的函数。
5) tensile strength
轴拉强度
1.
The main objective of the tests is to determine the relationship between the tensile strength and splitting strength of steel fiber reinforced concrete(SFRC).
分析研究了钢纤维高强混凝土的轴拉强度和劈拉强度的关系,钢纤维高强混凝土轴拉性能随钢纤维体积掺量、基体强度及钢纤维类型的变化规律。
2.
With raw materials of Jinping first-level hydropower station,the experimental study on performance of hydraulic concrete with magnesia shows that the compressive strength of concrete added with magnesia is descreased slightly and cleavage strength,tensile strength,modulus of elasticity,tensile strain ultimate of concrete added with magnesia are increased slightly.
通过采用锦屏一级水电站的原材料,对外掺氧化镁的水工混凝土性能试验研究表明,外掺氧化镁对混凝土的抗压强度略有降低,对劈拉强度、轴拉强度、弹性模量、极限拉伸值略有提高;未掺氧化镁的砂岩混凝土180d自身体积变形为-57。
6) uniaxial tensile strength
轴拉强度
1.
The uniaxial tensile strength and bending strength increase a little, but the tensile peak\|strain and the ratio of tensile\|compressive and bending\|compressive increase remarka.
试验结果表明 ,随着聚醋酸乙烯的掺入 ,砂浆的轴压强度和弹性模量显著下降 ,但极限应变却明显增大 ;砂浆的轴拉强度和抗弯强度均略有提高 ,而极限应变、拉压强度比和弯压强度比则显著增加。
补充资料：脆裂强度
分子式：
CAS号：
性质：物体在脆性断裂时的拉伸强度。
CAS号：
性质：物体在脆性断裂时的拉伸强度。
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