冻融循环

1
freeze-thaw cycles
...学报（自然科学版、英文版）关键字: 冻融循环；混合侵蚀环境；钢筋混凝土梁；持续荷载[gap=937]Key words: freeze-thaw cycles; mixed aggressive environment; reinforced concrete beam; persistent load..
2
freezing and thawing cycles
硫酸盐渍土在多次冻融循环时的盐胀累加规律_stmopen 关键词】: 硫酸盐渍土盐胀 冻融循环 [gap=538]Keywords】: sulphate salty soil,salt expansion,freezing and thawing cycles
3
freezing-melting circulation
... form coefficient（form factor），形状系数 freezing-melting circulation，冻融循环 frost-resistance mark，抗冻标号 ...
4
Cycles of freezing and thawing
... cycle of freezing and thawing 冰融循环 Cycles of freezing and thawing 冻融循环 resistance to freezing and thawing 抗冻融性 ...

短语

1
分析了混凝土冻融循环劣化新的原因和机理。
A new interpretation of freeze-thaw deterioration of concrete is proposed.
2
氯离子扩散系数随着冻融循环次数的增加而增加。
The chloride concentration and diffusion coefficients increase with Numbers of freezing-thawing cycles.
3
研究了钢渣微粉对混凝土路用性能和抗冻融循环能力的影响。
The effect of steel slag powder on road properties and freezing and thawing resistance of concrete was studied.

冻融循环
冷库温度在0℃以上的时间较长，使结构体表面的冰霜融化成水滴，水分将沿着结构表面的孔隙或毛细孔通路向结构内部渗透；当库温降低为0℃以下时，其中的水分结成冰，产生膨胀，膨胀应力较大时，结构出现裂缝。结构件表面和内部所含水分的冻结和融化的交替出现，称为冻融循环。

点击反馈