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1·What changes for the mix design procedure will be required?

配料设计方案会进行什么改变？

2·The theory of concrete mix design should also be perfected.

免振捣混凝土的配比设计理论也需要进一步地加以完善。

3·Therefore, the study of optimizing mix design must be enforced.

因此，级配优化研究工作势在必行。

4·The paper analyzed the problems of C50 concrete mix design, and proposed some protective measures.

对C50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。

5·The way to determine economical dosage of HRWRA was pre sented based on a case history of mix design.

通过一个配合比设计实例，介绍了减水剂经济掺量的确定方法。

6·So it has important meaning that analyze the factors of mixture multiscale and studying the method of mix design.

所以多尺度分析级配影响因素，研究级配设计方法具有重要意义。

7·This paper discusses some questions existed in the use of commercial concrete, such as mix design, quality control, ect.

文章对商品混凝土配合比设计、生产质量控制与存在的问题进行探讨。

8·Different grade show certain effects on the performance of mixture, so the optimum grade curve is important in mix design.

不同级配对混合料的各项性能均有一定的影响，在进行配合比设计时要找出最佳级配曲线。

9·The method of how to choose the optimum dise of stabilizers is confirmed, and the mix design method of cold recycled mixture is put forward.

确定了稳定剂最佳剂量的选择方法。初步形成冷再生混合料的配合比设计方法。

10·Therefor rutting resistance of a paving asphalt mixture is one of the important considerations in standard procedures for asphalt mix design.

因此，沥青混合料的抗车辙能力是一个在设计沥青混合料过程中必要且重要的因素。