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。
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。
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。
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。
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。
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。
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。
Based on the material properties and characteristics of rural highway, the mix design method of Roller Compacted Concrete (RCC) is researched.
结合材料特性和农村公路特点，研究了路面碾压混凝土配合比设计方法。
In this paper, the high-performance concrete mix design process for the expansion joint on the Middle River Bridge C50 were explained in detail.
文中就密江大桥C50伸缩缝高性能混凝土配合比设计全过程做以详细论述。
This paper introduces the application of an overall calculation mix design by giving an example of mix design of high performance flowing concrete.
本文以高性能自密实混凝土配合比设计为例，介绍全计算法的应用。
Some integrated technologies are introduced, such as mix design of steel fibre beton, concrete pumping technique. Some practical examples are given.
介绍了钢纤维混凝土配合比设计，钢纤维混凝土泵送浇筑工艺等多项综合性技术，并给出实例。
Therefore, making study on the mix design strength standard of lime-fly soil in the Yellow River alluvial area has important engineering significance.
因此，对黄泛区二灰土配合比设计的强度标准进行研究具有重要的工程意义。
How to design relation marketing mix is deeply analyzed. This paper advances the measures of relation marketing mix design based on customer direction.
通过对企业如何进行关系营销组合设计的深入分析，提出了以顾客为导向的关系营销组合设计的思路和方法。
The results show that the modified overall calculation method is a more scientific, rational and exact method for mix design of self-compacting concrete.
结果表明：改进的全计算法是一种科学、合理、准确的自密实混凝土配合比设计方法。
Using the software system developed by the thesis, it can make asphalt mix design and predicts asphalt dosage and does cost analysis quickly and accurately.
利用本文的沥青混合料配合比综合设计软件系统，可以迅速、精确、方便地进行沥青混合料配合比设计以及沥青用量预估和成本分析。
In this paper authors present RCC mix design as well as laboratory and field trials, including physical and chemical properties of the raw materials for RCC.
对RCC配合比设计及室内外试验情况，包括RCC原材料的物理化学等特性作了详细介绍。
The article introduces specification for structural concrete used in the tunnel as well as its mix design, main properties and temperature-strain results measured.
介绍了南京玄武湖隧道结构混凝土的技术要求、配合比设计、主要性能以及温度和应变施工测试结果等研究技术的攻关。
Three kinds of method about mix design of concrete were introduced, namely, linearity analytical method, infilled coefficient method and overall calculation method.
目的以混凝土材料的理论化设计为目标，提出了一种新的混凝土配合比设计方法-密实系数法。
It is important that study of mix design of high performance concrete (HPC) in application of actual engineering and is one of the main aspects of the research fields.
高性能混凝土配合比设计的研究对实际工程应用有着重要的意义，是高性能混凝土研究领域的主要方面之一。
Before the construction, we had made groups of experiments and selected the most typical group as the mix design for construction by the method of statistical analysis.
应用统计分析的方法，选出施工前做出的多组试验中最具有代表性的一组试验，作为施工的配合比设计。
This research bases on the common concrete design method, consulting the requirement of high performance pavement concrete, confirming the mix design by orthogonal test.
本研究以普通混凝土设计方法为基础，参考高性能路面混凝土各方面性能要求，通过正交均匀试验设计高性能路面混凝土配合比。
Asphalt mix design is a key tache in the construction of roads. The traditional method is trail calculation by hand. The speed is slowly and it is easily to make mistakes.
沥青混合料施工配合比设计是道路施工中的一个关键环节，传统的“平衡面积法”，需要进行多次手工试算，计算工作量大，易产生误差，并且无法进行经济分析。
The mix design method of RCC in the current standard and specification follows the results of"85" Science and Technology Projects and mainly applies to high-grade highways.
现行规范碾压混凝土配合比设计引用国家“八五”科技项目成果，主要针对高等级公路。
This paper mainly introduce and explain level long distance pumping concrete from pump equipment type, concrete mix design, materials selecting and project construction type.
本文主要介绍混凝土水平长距离泵送特点，从泵送设备选型、混凝土配合比设计、原材料选择和工程应用施工要点等加以说明和介绍。
The results indicate that waterproof binding course influences shear strength and performance of waterproof significantly, and mix design gradation has no effect on shear strength.
试验结果表明：防水粘结层类型对层间抗剪强度影响显著，而试验采用的级配对层间抗剪强度影响很小。
The authors introduce conditions of mix design of pavement cement concrete, demand of design, parameter of design and calculating ways, and introduce orthogonal trial method briefly .
本文简述了路面水泥砼配合比设计的依据，设计要求，设计参数及其计算方法，并概略的介绍了正交试验法。
The mix design of strong concrete should follow the principles of low water-cement ratio, low sand ratio and high bone-glue ratio, thus the relatively satisfying effect can be achieved.
高强度混凝土的配合比设计应该遵循低水灰比、低砂率、高骨胶比的原则，这样才能达到比较理想的效果。
Studies and tests are carried out on its use for high class road base, which include the properties of raw materials, mix design, road performance, mechanism of strength formation, etc.
论述一种新型筑路材料，电厂排放的工业废渣—增钙渣和增钙粉煤灰，作为高等级道路基层的试验研究，包括原材料性质、设计配比、路用技术性能及强度形成机理等的试验研究。
Studies and tests are carried out on its use for high class road base, which include the properties of raw materials, mix design, road performance, mechanism of strength formation, etc.
论述一种新型筑路材料，电厂排放的工业废渣—增钙渣和增钙粉煤灰，作为高等级道路基层的试验研究，包括原材料性质、设计配比、路用技术性能及强度形成机理等的试验研究。
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