This paper introduces the actual provision about road bridge criterion controling durability, and some new methods to improve reinforced concrete bridge durability.
介绍了现行公路桥梁规范控制耐久性的规定，以及提高钢筋混凝土桥梁耐久性的新方法。
The design concept of durability has progressively become the tendency toward the development of bridge design.
桥梁耐久性设计概念已逐步成为桥梁设计的发展趋势。
Durability resistance at the section corner is relatively weak in the concrete bridge, therefore, the section corner is the key place of the durability maintenance.
混凝土桥梁的梁体截面角区及立柱截面角区的耐久能力相对较弱，是耐久性维护的关键部位。
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。
The paper proposes a practical method on fuzzy synthetic assessment of durability for reinforced concrete bridge through discussion on reasonable assessment of durability.
通过对耐久性问题的合理评估进行研究，建立钢筋混凝土桥梁耐久性模糊综合评估方法。
These factors will have a greater impact on the bridge of the strength, stiffness and durability.
这些因素都会对桥梁的强度、刚度和耐久性产生较大的影响。
The paper discusses importance and necessity for design of durability against anticorrosion for bridge on Binhai Highway, introduces measures taken in present design.
论述了滨海桥梁进行防腐耐久性设计的重要性和必要性，介绍我省滨海公路中的桥梁在防腐耐久性设计方面所采取的措施。
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 present state of bridge system can be judged by this testing system. A integrated approach is proposed for durability evaluation of structure and testing technology.
该系统能够正确的评估被测试桥梁系统目前的使用状态，为结构的耐久性评估方法及检测技术提供了一种集成化方法。
Based on the durability failure characters, the key factors that affect the bridge structure durability are analysed.
针对海洋环境下桥梁结构耐久性破坏的特点，分析了影响桥梁结构耐久性设计方案的关键因素。
The status in quo of the durability research of concrete bridge is presented in three levels of material, element, and structure.
总结了近十年来混凝土桥梁耐久性的研究进展，并从环境、材料、构件、和结构四个层次上论述了混凝土桥梁耐久性的研究现状。
From the research work, a proposal on rearranging the anchorages is presented, insuring safety and durability of the bridge during construction and operation and bringing a good economic benefit.
并在此基础上提出了改进布锚的建议，确保了该桥施工、运营的安全及耐久性，带来了良好的经济效益。
Comfort bridge gel padding relieves pressure on ulnar nerves for cycling comfort and provides superior durability.
舒适桥凝胶填充解除对尺神经的压力，为骑自行车的舒适，并提供优越的耐用性。
In past centuries, a lot of concrete Bridges were constructed in the word, and the bridge designer paid more attention to structural intensity, but ignored structural durability.
然而，在以往的设计中，由于片面的追求强度，因而忽视了桥梁耐久性，导致很多已建混凝土桥梁出现耐久性局部失效和老化现象。
Concrete cable-stayed bridge is a competitive structural system in the long-span bridge family in virtue of its good performance such as durability, low cost of construction and maintenance, etc.
混凝土斜拉桥以其耐久性好、造价和维护费用相对较低等优势已成为大跨桥梁结构中极具有竞争力的桥型。
The results of research indicate that although the mechanical properties and durability of HPC satisfy the technology demand of sea-crossing bridge concrete, its cracking risk increases greatly.
研究表明，高性能混凝土虽然其本身的力学性能和耐久性满足跨 海大桥混凝土技术要求，但其开裂的风险随之大幅度增加。
The bridge deck pavement, as an important part of the bridge, has a direct impact on driving safety, comfort and durability of the bridge.
桥面铺装作为桥梁的重要组成部分，其质量的好坏直接影响到行车的安全性、舒适性和桥梁使用的耐久性。
The long-span prestressed concrete beam bridge is likely to craze in operation, which decreases the bridge's safety and durability and then leads to its structure's early failure and destruction.
运营中的大跨径预应力混凝土梁桥箱梁普遍开裂，严重影响了桥梁结构的安全性和耐久性，造成了桥梁过早的失效和破坏。
It is more rational of retractor device of built-in butted bridge, durability is obviously superior to the expansion joint of other types.
嵌固对接式伸缩装置耐久性明显优于其它类型伸缩装置，是因为其设计相对比较合理。
It is more rational of retractor device of built-in butted bridge, durability is obviously superior to the expansion joint of other types.
嵌固对接式伸缩装置耐久性明显优于其它类型伸缩装置，是因为其设计相对比较合理。
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