Concrete durability is a significant subject in concrete science at all times.
混凝土的耐久性问题一直是混凝土材料科学的重大研究课题。
The cracking of concrete is one of major reason of the concrete durability deterioration.
混凝土工程裂缝是使混凝土耐久性下降的一个主要因素。
The concrete durability under the compound action of freeze-thaw and abrasion is studied.
研究了冻融与磨耗复合作用下的混凝土耐久性能。
The concrete durability is closely related to the corrosive medium transfer in the concrete.
混凝土的耐久性与侵蚀性介质在混凝土中的传输密切相关。
The two important factors of affect concrete durability are AAR (Alkali aggregate reaction) and freeze-thaw cycles.
碱骨料反应和冻融循环是影响混凝土耐久性的两个重要因素。
The result showed using polycarboxylate acid could reduce the cost of the concrete and elevate the concrete durability.
试验结果表明C30混凝土使用聚羧酸可以降低混凝土成本，提高混凝土的耐久性。
It was shown in study that by moderately added air entraining agent in concrete would obviously enhance the concrete durability.
通过研究发现，在混凝土中适当引气可以大幅度提高混凝土的耐久性能。
Fortunately, the applications of electrical and electrochemical techniques to concrete durability becomes more and more attractive.
电学和电化学技术在混凝土耐久性中的应用越来越受到重视。
It has a long term economic benefit and social benefit to guaranteed pumping concrete durability and building reasonable service life.
对保证泵送混凝土的耐久性和建筑物的合理使用寿命有长远的经济效益和社会效益。
The abrasion is a particular manner on destruction of concrete pavement and also is an important aspect at concrete durability research.
磨损是水泥混凝土路面特有的劣化现象，也是混凝土耐久性研究的一个重要方面。
In this paper, the factors affecting the bridge concrete durability and the design methods for improving the concrete durability are expounded.
详细说明了影响桥梁混凝土耐久性的因素及如何通过设计提高混凝土的耐久性。
Study the relation of concrete durability and permeability and point out that we can evaluate concrete durability through the penetrating index.
研究了混凝土耐久性与渗透性的关系，指出可以通过渗透性指标进行混凝土的耐久性评估。
Abstract: the environmental effects are analyzed and the secondary lining concrete durability is studied in the design for Qingdao Metro Line 3.
摘要：分析了青岛地铁3号线所在地域的环境作用，并对地铁二次衬砌混凝土的耐久性进行研究。
This paper introduces the significance of improving the concrete durability of seaport wharf, factors influencing durability, and measures taken.
文章介绍提高海港码头混凝土耐久性的重要性、影响耐久性的因素以及采取的措施。
Because of this, we think we can try to study concrete durability problem from the Angle of the relation of concrete permeability and durability.
基于此，本文认为可以尝试从混凝土的渗透性与混凝土的耐久性关系这个角度来研究混凝土的耐久性问题。
The stress and induced cracks have important influences on the concrete durability, especially the ingress of aggressive agents, such as chloride.
应力水平及由此产生的微裂缝或宏观裂缝对钢筋混凝土结构的耐久性，尤其是有害物质的入侵有一定程度的影响。
Firstly, reinforced concrete durability factors serials were confirmed through compositively analyzing outer and inner factors about effecting carbonation.
首先，在综合分析引起碳化发生的内外因素的基础上，提出钢筋混凝土耐久性影响因素序列。
Based on the investigation of our hydraulic concrete durability problems, a new concept of High performance hydraulic Conerete (HHPC) was put up in the paper.
本文提出了水工高性能混凝土的新概念。并通过我国水工混凝土的耐久性问题的调查分析，指出开展水工高性能混凝土研究的迫切性和必要性。
The lack of quality sand and stone resources and the deterioration of concrete durability have been two great problems to perplex the building trade in recent years.
优质砂石资源日益缺乏和混凝土耐久性差是近年来困扰建筑业的两大问题。
This paper presents the concrete durability inspection and test techniques having been applied during casting and service period of concrete girders at home and abroad.
介绍国内外混凝土梁在制造与使用过程中，对混凝土耐久性方面的检测技术。
Taking into consideration of importance of Xiluodu project and concrete durability, alkali content in cement and total alkali content in concrete must be limited strictly.
从溪洛渡水电站工程的重要性及混凝土耐久性方面考虑，工程应严格控制水泥的碱含量及混凝土中的总碱量。
Discussion is made on the factors that affect the concrete durability, which can be promoted in the use of active mineral additives which performance and types are analyzed.
论述了影响混凝土耐久性的因素，并通过分析活性矿物掺料的分类及特性，阐述了其对混凝土耐久性改善的机理。
The influence factors of concrete durability are complex. The interaction of many factors often promote each other, which leds to the rapidly decline of concrete durability.
影响混凝土耐久性的因素是错综复杂的，且多因素的共同作用常常互相促进，从而导致混凝土耐久性迅速下降。
The results of carbonization examination indicate that the concrete durability brushed with the CCCW improved obviously, and the SEM validated the capillary crystalline effect.
碳化试验结果表明涂刷该材料的混凝土试件耐久性有了明显的提高，扫描电镜结果验证了该材料的渗透结晶效果。
Later on, the on-site concrete durability test of the trestlework in the workshop building is taken as one example to analyze the concrete cover and the dept of its carbonization.
开展了某工业厂房栈桥柱的耐久性现场检测工作，对实测的混凝土保护层厚度和碳化深度进行了分析；
There are many factors which can cause concrete structure durability damage. Sulfate attack is one of the important environmental factors that causes the damage of concrete durability.
引起混凝土结构耐久性损伤的因素很多，硫酸盐侵蚀是引起混凝土耐久性损伤失效的重要环境因素之一。
The carbonation of concrete is one of the main factors which effect the durability of concrete structure.
混凝土碳化是影响钢筋混凝土结构耐久性的重要因素之一。
In this sense, the mechanical characteristics of concrete, durability, and non-autogenous phenomena are modified with the use of mineral admixtures [8].
从这个意义来说，混凝土的机械特性、耐久性、和非自生现象因为采用了矿物掺合剂而得到了修正[8]。
In chloride environment, drying-wetting zones in concrete structures are key regions for durability design and assessment.
在氯盐环境中，干湿交替区域是混凝土结构耐久性设计最为关键的区域。
In chloride environment, drying-wetting zones in concrete structures are key regions for durability design and assessment.
在氯盐环境中，干湿交替区域是混凝土结构耐久性设计最为关键的区域。
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