The traditional steel bolt is easy to get rust, especially in corrosive environment, which will affect the safety and durability of structures.
以钢材为原材料的传统锚杆容易锈蚀，当用作地下工程的结构构件，因其更换困难会对结构的安全性和耐久性带来严峻的挑战。
Reinforced concrete structure of seaport wharf is located at severe natural environment and work condition, and erosion from seawater damages seriously the durability of structures.
海港码头钢筋混凝土结构处于恶劣的自然环境和工作环境中，海水的侵蚀严重危害结构的耐久性。
The new product has been designed exclusively to ensure high durability and resistance of structures under extreme climate.
新的产品被设计成在极端气候下，能保证结构的高耐久性和高抵抗力。
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。
Wet-dry cycling condition is one of the most primary factors leading to the durability deterioration of reinforced concrete structures in the natural climate.
干湿循环是导致自然气候环境条件中钢筋混凝土结构耐久性劣化最主要的影响因素之一。
Doing experiments is an important method in the research of durability of concrete structures.
混凝土结构的耐久性试验是研究结构耐久性的重要手段。
It shows that the stochastic model can be used to durability assess of existing reinforced concrete structures in atmosphere environment.
结果表明，该模型可用于大气环境下基于碳化的钢筋混凝土桥梁结构耐久性评估。
The effect of corrosion on bond between reinforcement and concrete has become the priority research area for the durability of rc structures.
锈蚀对钢筋与混凝土粘结性能的影响已成为混凝土结构耐久性研究的重要内容。
How to assess the durability and predict the residual service life of existing reinforced concrete structures has become an urgent problem.
如何对在役钢筋混凝土结构的耐久性进行评定和预测已成为一个迫切需要解决的课题。
The cracks on concrete Bridges affect the structure durability, and they are also the index that determines the durability state of concrete structures.
混凝土梁体上的裂缝对结构耐久性是有影响的，它也是决定混凝土结构耐久性状态的一个指标。
Crack width is a most significant parameter for the durability assessment and design of reinforced concrete structures.
锈胀裂缝宽度是混凝土结构耐久性与设计评估的重要参数。
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。
The coastal reinforced or prestressed concrete Bridges are always liable to chloride corrosion permeating on the reinforcement therein and durability of the structures is thus degraded.
沿海钢筋混凝土与预应力混凝土桥梁易受渗入到钢筋表面的氯盐腐蚀，影响结构的耐久性。
Chloride ingress is the main reason for durability deterioration of reinforced concrete structures in salt-fog environment.
盐雾环境下，氯离子侵蚀是混凝土结构耐久性退化的主要原因。
The durability status of concrete structures in Chongqing is discussed based on the analysis of the depth of concrete carbonization and the thickness of concrete cover and reinforcement corrosion.
从混凝土碳化深度、保护层厚度和钢筋锈蚀三方面调查研究了重庆地区混凝土结构耐久性的现状。
The chloride diffusion coefficient of a concrete is an important parameter in predicting the corrosion of steel in a concrete and the durability of the structures.
混凝土的氯离子扩散系数是预测混凝土中钢筋锈蚀及结构耐久性的重要参数。
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 vibration control of civil structures such as Bridges induced by the external excitation is a new area of research, and also an important way to improve the safety and durability of the structure.
对桥梁等大型土建结构在外扰作用下的振动实施控制是目前的一个研究热点，也是提高结构安全性与耐久性的一条重要途径。
In order to study durability, crack controlling of concrete structures and characteristics of concrete at early age in simulated environment, environmental simulation test technology is discussed.
为了在试验室人工模拟环境下进行混凝土早期特性、裂缝控制及耐久性的试验，需对混凝土结构环境模拟试验室技术进行研究。
The corrosion of steel bar and the alternative freezing and thawing of concrete are the important effects on the durability of RC structures.
钢筋锈蚀和混凝土冻融循环是影响钢筋混凝土结构耐久性的重要因素。
Service-life prediction of the structures may be one of the focuses in durability study field.
寿命预测是结构耐久性研究的一个重点。
Main problems in the study of durability for bridge structures are presented.
分析了目前桥梁结构耐久性研究中存在的问题。
The durability of saturating resin which is one of components of fiber reinforced polymer and adhesive material of FRP and concrete, affects the property of FRP reinforced structures.
浸渍树脂作为复合材料的原料之一及FRP与结构的粘结材料，其耐久性直接影响FRP加固结构的效果。
The results of the tests and analyses may supply a valuable reference for durability forecast of concrete structures.
试验结果及其分析可对混凝土结构耐久性的预测提供有意义的参考。
The design of tower structures foundation is more complicated than common structures, and it is difficult to study tower structure mechanical durability and diagnose its defects.
相对一般结构而言，高耸工程结构的基础设计更为复杂，其力学耐久性研究和病害诊断也更显困难。
Just as other structures, environmental effect perform an important role during the course of durability damages in tunnel lining, and it was not considered in traditional design method.
与其他建筑结构一样，隧道衬砌结构会因环境因素的侵蚀而产生耐久性损伤，从而影响使用寿命，这种环境损伤作用在传统隧道衬砌结构设计方法中未定量考虑。
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。
Durability evaluation method of concrete structures suffering from chloride ions' invasion is studied.
对氯离子侵蚀环境下混凝土结构的耐久性评估方法进行了研究。
Calculation on bearing capacity of corrosive members is the key to the problem of durability assessment of reinforced concrete structures.
锈蚀构件的承载力计算是混凝土结构耐久性评估的关键性问题。
Calculation on bearing capacity of corrosive members is the key to the problem of durability assessment of reinforced concrete structures.
锈蚀构件的承载力计算是混凝土结构耐久性评估的关键性问题。
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