1·At good design proportioning and construction, the SBS asphalt would make the durability, stability at high temperature, crack resistance at low temperature obtain distinct improvement.
在良好的设计配合比和施工条件下，SBS沥青能使沥青路面的耐久性和高温稳定性、低温抗裂性明显提高。
2·The paper analyzes several problems which should be noticed in concrete proportioning design and poses appropriate measures for prevention and treatment.
对混凝土配合比设计中值得注意的几个问题进行分析，并提出相应的防治措施。
3·As it is admixed by a certain ratio old material and regenerative agent, there is some differences between mix proportioning of regenerative asphalt mixture and that of the common asphalt mixture.
再生沥青混合料因其中掺加了一定比例的旧料和再生剂，故其配合比设计与普通的新拌沥青配合比设计有所不同。
4·This paper briefly introduces some advantages of concrete containing fly ash, and puts forward Suggestions for the design of this kind of proportioning of concrete.
简要介绍掺粉煤灰混凝土的一些优点，并对此类混凝土的配合比设计提出建议。
5·This article researches at home and abroad, specifies the proportioning and production design of mixed material in the cold rebirth substrate of emulsified bitumen.
文中结合国内外已有的研究，阐述了乳化沥青冷再生基层混合料配合比设计工作。