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。
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。
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 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。
It shows that the modified overall calculation method is more scientific and rational and exact on mix ratio 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。
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。
The major research thesis tunnels with low noise characteristics of anti-slide OGFC asphalt concrete pavement mix design methods, anti-sliding noise reduction performance and construction crafts.
本论文主要研究隧道内具有抗滑低噪声特性的OGFC沥青混凝土路面的配合比设计方法、抗滑降噪性能和施工工艺等。
Using modern concrete technology process and the composition of materials by scientific selection and design of concrete mix to obtain good durability, high strength, and high-performance concrete.
使用现代混凝土技术工艺，通过科学选择混凝土组成材料与设计配合比，获得耐久性好、强度高的高性能混凝土。
Specially the characteristics of dam construction method, design of dam section, concrete mix, construction technique and temperature control are discussed.
特别对筑坝方法特点、断面设计、混凝土配合比、施工工艺和温度控制进行了论述。
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。
Based on the property of natural materials of asphalt concrete, the optimization design method for mix of impervious structure of pouring asphalt concrete is presented in this paper.
本文针对沥青混凝土原材料的性能特性，探讨了浇筑式沥青混凝土防渗层混合料配合比的设计方法。
Mix proportion design method of self-compacting concrete(SCC)is studied in this paper.
研究了自密实混凝土（SCC）的配合比设计方法。
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。
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。
This paper proceeds some discussion about the optimized sand-ratio, ave rage paste thickness and aggregate packing degree in the packing concrete mix proportion design.
本文对密实混凝土配合比设计中的最优砂率、平均胶结浆体厚度、骨料密实度进行了一些探讨。
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。
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。
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。
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。
In this paper, the writer chose the adding means of PFA replacing sand, and put forward the mix ratio design of concrete by orthogonal analysis experiments.
通过正交试验设计，采用粉煤灰代砂法掺入再生混凝土，并进行配合比设计。
In the mix proportion design of concrete with higher fly-ash content, it is in need to research the impact factors require and to make certain the reasonable value.
高粉煤灰混凝土配合比设计，需要考察多个影响因素并确定其合理取值。
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。
When carrying out winter concrete construction, how to correctly and quickly design construction mix proportion of winter concrete with local cement in short period is mainly clarified.
主要对冬期施工时使用地方水泥，试验室如何在短期内准确快捷地进行混凝土配合比的设计作了阐述。
Mechanism, Mix ratio design, workability evaluation and test method of high-dropping shake-free self-compacting concrete were put forward.
提出对高抛免振捣自密实混凝土的工作机理、配合比设计、工作性评价方法及相应的试验方法。
The selection of mix proportion design parameter different from common concrete was probing into, too.
并探讨其不同于普通混凝土的配合比设计参数的选定。
Fly ash high-performance concrete regard durability as main goal go on design mix Congeal the soil.
粉煤灰高性能混凝土是以耐久性为主要目标进行设计的混凝土。
This paper deals with materials, design parameters. construction batch strength and design of mix proportion for underwater concrete cast in a major diameter cast in place pile.
论述大直径灌注桩水下浇注混凝土时的材料选择、设计参数选择、施工配制强度及配合比设计。
A mix proportion design method of pervious concrete is provided, of which total void ratio is the first design parameter and compressive strength is the second one.
根据透水混凝土的结构特征，对其配制参数和配合比计算方法进行了研究，提出了以总孔隙率为第一设计参数，抗压强度为第二参数的配合比设计方法。
This paper briefly introduces the mix proportioning design and construction application of the high performance concrete.
简要介绍高性能混凝土的配合比设计及其施工运用。
This paper briefly introduces the mix proportioning design and construction application of the high performance concrete.
简要介绍高性能混凝土的配合比设计及其施工运用。
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