The durability of concrete is important problem.
混凝土的耐久性已成为重大课题。
The durability of concrete is influenced by alkali aggregate reaction(AAR).
碱集料反应是影响混凝土耐久性的重要方面。
Therefore, the durability of concrete construction is a very significant topic.
因此对于混凝土结构耐久性的研究是一项非常有意义的课题。
The durability of concrete has been the hot issue of the current structural engineering.
混凝土的耐久性是目前国际工程学科研究的热点问题。
Further improve the durability of concrete, as well as extend the useful life of structure.
进而提高混凝土的耐久性，延长了结构的有效寿命。
Adding blend into cement is one of the important measures to improve the durability of concrete.
在水泥中掺加混合材是改善混凝土耐久性能的重要措施之一。
The durability of concrete is an important research subject in the international engineering industry.
混凝土耐久性是国际工程界的重要研究课题。
Research of recent years pay more attention to the durability of concrete but neglected the cost factor.
近几年的配合比研究大多侧重于混凝土的耐久性，忽略了成本因素。
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。
This article gives a few of practicable synthetic measure to improve the durability of concrete structure.
本文提出一些实用的提高混凝土耐久性的综合措施。
Alkali aggregate reaction is one of the important factors that affect the durability of concrete structures.
混凝土碱-骨料反应是引起混凝土耐久性下降的主要原因之一。
Alkali aggregate reaction (AAR) is one of the important factors that affect the durability of concrete structures.
混凝土碱-骨料反应(aar)是引起混凝土耐久性下降的主要原因之一。
The durability of concrete can be defined as its resistance to deterioration resulting from external and internal causes.
混凝土的耐久性被定义为抵抗外部和内部原因导致的恶化的能力。
Preventing or inhibiting the corrosion of reinforcement in concrete is a key approach to improve the durability of concrete structures.
防止和减缓钢筋腐蚀是改善和提高混凝土结构耐久性的主要途径。
As the factors affecting the durability of concrete are complex, it is often difficult to grasp the durability indicators during the designs.
由于混凝土耐久性的影响因素复杂，设计时往往难以把握具体的耐久性指标。
In cold areas, researching frost resistance of concrete material is an important aspect which solves the problem of the durability of concrete.
在寒冷地区，研究混凝土材料的抗冻性问题是解决混凝土耐久性问题的一个重要方面。
It has been confirmed by nature that the durability of concrete structure section was not equal which were designed according to conventional measure.
按传统设计方法设计的混凝土结构截面容易出现耐久性不等的现象，已为大自然所证实。
The study on the durability of concrete is a hot spot of today's academic circles in which the study on the corrosivity becomes the centre of attention.
混凝土的耐久性研究是当今学术界的热点课题，其中腐蚀性研究更引人关注。
The characteristic of high performance concrete (HPC) is low water cement ratio and active contents addition, by which the durability of concrete can be improved.
而高性能混凝土特点是低水胶比及添加活性矿物集料，从而达到改善耐久性能的目的。
For ocean construction, the durability of concrete for ocean construction was very important, because the caustic ions in the ocean environment would erode the concrete.
在海工建筑中，由于海洋环境中的腐蚀性离子会侵害混凝土，因此海工混凝土的耐久性就显得尤其重要。
Through the life-cycle cost analysis and found that the durability of concrete in high-cold region has obvious economic advantages, with the great application and popularization.
通过全寿命周期费用分析，发现高寒地区耐久性混凝土具有明显的经济优势，极具推广应用价值。
Due to the neglect of the durability of concrete structures in construction periods, serious problems exist now in many reinforced concrete highway Bridges which are still in use.
由于建设时期对混凝土结构耐久性问题认识的不足，许多现役混凝土公路桥梁存在着严重的耐久性问题。
The durability of concrete can directly affect the useful life of the building in some degree, while the cement performance and durability of concrete has a very close relationship.
混凝土耐久性能优良与否在某种程度上，能够直接影响到建筑物的使用年限，而水泥性能与混凝土耐久性又有着十分密切的关系。
Through analysizing the factors of decline of durability of concrete, utilize the modified lignosulfonates high range water-reducing agent to raise the durability of concrete is scientific.
通过分析导致混凝土耐久性下降的因素，论述了利用改性木素磺酸盐高效减水剂在提高混凝土耐久性研究的应用。
Final results of experiment indicate that adding some synthetic fiber to HPC with the mineral admixture or cement mortar can decrease cracking 95% at least and enhance the durability of concrete.
试验结果表明，在掺活性掺合料高性能混凝土中掺加一定量合成纤维可以使混凝土或砂浆减裂95%以上，并可以提高混凝土耐久性。
P Eurocode 2 is only concerned with the requirements for resistance, serviceability, durability and fire resistance of concrete structures.
欧洲规范2是有关对混凝土结构的抗力，适用性，耐久性和防火性的要求。
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 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]。
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