根据试验数据提出了存在斜裂缝钢筋混凝土梁的抗剪强度折减系数的计算公式。
The formula of reduced shear strength coefficient of RC beams with inclined cracks is put forward to according to the test data.
试验结果表明，道路混凝土中掺入纤维能明显降低混凝土的脆性，提高混凝土的抗折强度和耐磨性能。
Test and analysis results indicate that mixing fiber into road concrete can decrease the brittleness and promote the flexural strength and abrasion resistance.
通过大量试验得到高掺量粉煤灰混凝土在高等级公路中应用的优化配合比，其特点是路面耐磨性能好、抗折强度高。
In this paper an optimized proportion of concrete with fly ash is obtained, which is suitable to be used in highway constructed by a spreading machine.
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