The estimating formulae of nonsymmetry cycle fatigue limits for aluminium alloy smooth specimens are presented in this paper. The estimating formulae can be used for fatigue design.
提出铝合金光试样非对称循环疲劳极限的估算公式。该公式可供疲劳设计使用。
The novel design of the cooling-heating cycle unit facilitates rapid change of temperature and can provide a uniform temperature filed in the rockfill specimens.
采用了内外兼顾的温控设计思路，不仅可以使试样快速实现温度的变化，且能为试样提供均匀的温度场。
A series of experiments on mild steel was conducted to improve the design of the DCB specimens and to examine the reliability of the necking zone model.
进行了一系列对低碳钢的试验以改进试件的设计并考察颈缩区模型的合理性。
Based on the push-out tests of steel reinforced lightweight concrete specimens, average bond strength and local bond strength are studied by orthogonal experimental design.
通过正交试验设计，由推出试验研究了型钢轻骨料混凝土的平均粘结强度和局部粘结强度。
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.
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。
The research shows that: (1) the failure process of these three specimens is all from the beams to the columns, so this pattern meets the requirement of seismic design;
研究表明：（1）三榀异形柱试验框架的破坏机制总体上属于梁铰机制，满足了框架结构抗震设计的要求；
The research shows that: (1) the failure process of these three specimens is all from the beams to the columns, so this pattern meets the requirement of seismic design;
研究表明：（1）三榀异形柱试验框架的破坏机制总体上属于梁铰机制，满足了框架结构抗震设计的要求；
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