碱骨料反应和冻融循环是影响混凝土耐久性的两个重要因素。
The two important factors of affect concrete durability are AAR (Alkali aggregate reaction) and freeze-thaw cycles.
国内许多大型工程都非常重视混凝土碱骨料反应问题,均采取了有效的预防控制措施。
More attention is paid for AAR in many large-scale domestic constructions, and measures are taken.
建(构)筑物渗漏水易导致钢筋锈蚀,混凝土发生碱骨料反应,在寒冷地区由于水的渗入导致结构体的冻害破坏等。
This phenomenon can lead to corrosion of reinforcement and alkaliaggregate reaction of concrete, furthermore, freezing injury of structure is caused in cold areas.
ITZ的这些变化,有助于解释混凝土在盐类环境中的各种性能变化,特别是混凝土盐类腐蚀以及盐类引起的碱骨料反应的作用机理。
The changes of ITZ in salt environment help explaining the changes of concrete performances, especially those suffered to salt attack.
混凝土碱-骨料反应(aar)是引起混凝土耐久性下降的主要原因之一。
Alkali aggregate reaction (AAR) is one of the important factors that affect the durability of concrete structures.
鉴于碱-骨料反应的复杂性,为了确保混凝土的耐久性和使用安全,需要严格控制水泥的含碱量。
Whereas the complexity of alkali-aggregate reaction and in order to guarantee the durability and use security of concrete, it should strictly control the alkali content of cement.
混凝土碱-骨料反应是引起混凝土耐久性下降的主要原因之一。
Alkali aggregate reaction is one of the important factors that affect the durability of concrete structures.
用天然活性骨料和石英玻璃骨料研究了粉煤灰与沸石的复合对碱-硅酸反应(asr)的影响。
The combined effect of natural zeolite and fly ash on alkali-silica reaction (ASR) of concrete was studied with natural alkali-reactive aggregate and quartz glass aggregate respectively.
查新的结果表明在新疆的建筑工程领域尚未进行碱-骨料反应的研究。
The result of looking into the archives shows the study doesn't be done about AAR in architecture region.
掺量小、无载体、全水溶、低碱,对碱一骨料反应有明显的减少作用。
Small admixture, completely water soluble, low alkali, apparent reducing effect on the alkali-aggregate reaction.
最后对碱-骨料反应的预防提出了建议。
Finally, the article provides some recommendations for the prevention of the alkali-aggregate reactions in concrete.
本研究介绍了混凝土 含碱外加剂对混凝土 碱—骨料反应(AAR)的影响,并定量地提供了 含 碱外加剂对混凝土 碱—骨料反应(AAR)影响作用的大小。
This paper describes the effect of alkaline admixtures on AAR of concrete. Furthermore, the quantity of effects of alkaline admixtures on AAR of concrete was provided.
本研究介绍了混凝土 含碱外加剂对混凝土 碱—骨料反应(AAR)的影响,并定量地提供了 含 碱外加剂对混凝土 碱—骨料反应(AAR)影响作用的大小。
This paper describes the effect of alkaline admixtures on AAR of concrete. Furthermore, the quantity of effects of alkaline admixtures on AAR of concrete was provided.
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