n. angularity
粗集料的形状特征包括轮廓形状(Form)和 棱角性(Angularity),轮廓形状反映了颗粒的针片度,棱角性体现出颗粒轮廓上棱角的突出程度,二者对沥青路面的性能有重要影响。
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At present,the test procedures for them are time-consuming and labor-intensive, particularly the test for angularity is subjective.
当前测定二者的试验方法费时费力,特别是棱角性的测定,结果主观。
参考来源 - 基于数字图像处理技术的粗集料形状特征量化研究·2,447,543篇论文数据，部分数据来源于NoteExpress
目前关于粗集料棱角性对沥青混合料性能的影响研究很少。
There is little study on the influence of coarse aggregates angularity on hot-mix asphalt properties.
随着机制砂棱角性指数的增大，新拌砂浆的流动性变差，但硬化后砂浆的强度和收缩性能得到适当的改善。
With the increased angularity index of the manufactured sand, the fluidity of the new mortar is becoming bad but the intensity and contractibility is improving after the hardening process.
在试验研究的基础上，探讨了在限定级配下，由天然砂与石屑混合组成的细集料的棱角性(FAA)对沥青混合料体积性质、水敏感性的影响。
By experimental study, how the moisture susceptibility and volume property was influenced by the FAA value of mixed fine aggregate which includes natural sand and stone chips was discussed.
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