设计使用年限

确立建筑物所需的保护措施时要考虑到它的预期用途，设计使用年限（见EN1990），以及维护计划和结构所受作用。

P The required protection of the structure shall be established by considering its intended use , design working life ( see EN1990 ), maintenance programme and actions .

有关设计使用年限问题的探讨城市设计的运作

Discussion on Design Working Life Make Urban Design Working

当达到设计使用年限（80a）时，该天然气存储场内单一洞室的剩余存储能力保有初始存储能力的29.1%。

The surplus storage capability of one of the caverns will remain 29.1 % of the original value after 80 designed operation years .

试论高桩码头设计使用年限100年

Discussion on Design Useful Life of 100 Years of Piled Wharfs

结构的设计使用年限为五十年。

The design service time limit of the structure is fifty years .

正常使用条件下，设计使用年限100年。

Under normal operation , designed service life is100 years .

混凝土保护层厚度与结构设计使用年限

Concrete cover thickness and the using period of structure design

浅议港工建筑物的设计使用年限

Elementary Discussion on Design Working Life of Port Structures

介绍国内外结构尤其是英国海工结构的设计使用年限及耐久性设计概况。

This paper introduces the design working life and durability design for structures in China and abroad , esp.

该结构因受多种因素影响，往往未到设计使用年限，就会发生不同程度的破损。

Effected by lots of factors , this structure will be damaged more or less in its designed life .

适用性的不足，将会导致钢骨混凝土结构提前失效而达不到预定的设计使用年限。

The deficiency of serviceability , will cause steel reinforced concrete structures to lose capability ahead of scheduled design working life .

从住宅设计使用年限、结构设计和建筑设计三个方面研究了住宅设计对寿命周期的影响。

From housing design working life , structural design and architectural design , the paper studied the influence of housing designed .

应根据不同设计使用年限活荷载的超越概率等于常规设计荷载超越概率的原则确定活荷的载标准；

The live load should be determined that the exceedance probabilities of live load for different design working life equal to that for conventional design loads .

作者对数年来在结构施工图审查工作中发现的一些与设计使用年限有关的问题进行剖析，希望能对结构专业人员在施工图设计工作中有所帮助。

Many problems relating to design working life are found in the working that verification of construction documents design , and it is helpful to structural engineers .

随着运营时间的增长，越来越多的农村公路混凝土旧桥将接近或达到其原有的设计使用年限，或者在运营过程中发生结构损伤。

Along with increase of work time , more and more bridges will near to or attain its design usage term , or occurring structure damage during work course .

为了使建筑物达到规定设计使用年限，必须采取充分的措施保护每个构件免受相关环境作用的影响。

P In order to achieve the required design working life of the structure , adequate measures shall be taken to protect each structural element against the relevant environmental actions .

为了确保杭州湾跨海大桥混凝土工程达到100年设计使用年限，根据特殊腐蚀环境进行相应的混凝土结构耐久性研究和设计。

In order to ensure the design service life of 100 years for the Hangzhou Bay Bridge , taking into consideration of the special corrosive environment , study and design on durability of concrete structure are conducted .

结构的设计使用年限与结构重要性系数原因在于学者们在研究视野上存在着相当的局限，学者们对资本结构重要性的探讨仅仅局限在单一企业的范式内。

On Structural Design Working Life and the Importance Factor of Structure We think the reason is that the scholars only confined discussion of the structure importance of the capital to the normal form of " single enterprise " .

当前，我国对起重机的报废年限还缺乏强制性的标准，且冶金专用起重机的造价较高，许多起重机已经达到甚至超过了设计使用年限，却仍然还在使用，造成了很大的安全隐患。

Nowadays , China has lacked mandatory standard for service life of crane , as high cost of crane , so many cranes have run out of design life , but used also , which bring about security risk .

然而经过多年的使用发现轻轨和地铁达不到设计使用年限，研究发现其钢筋混凝土地下结构在正常使用工程中，受到杂散电流，腐蚀介质和疲劳荷载的复杂的混合作用。

However , after years of use of light and the subway use fixed number of years . The study found that the use of the reinforced concrete structures in the normal use of underground projects affected complicatedly by stray current , corrosion and fatigue .

同时通过加速试验法对加固后冷却塔进行预测，得出当采用改性混凝土作为修复材料时，其抗碳化能力将得到大大提高，能够满足本工程在设计使用年限内的正常使用需求。

The author researches the life-span of the reinforced cooling tower by using the accelerating test method , and concludes that anti-carbonizing ability would be improved greatly by using modified concrete as the repairing material , and hence can well meet the well-balanced requirements during the designed project working life .

沿海高层建筑抗震设计与耐久性设计的使用年限和性能要求

Service life and performance requirement in seismic design and durability design of coastal high-rise buildings

针对正在修订的《港口工程结构可靠度设计统一标准》（GB50158-92）中设计使用年限、耐久性设计、结构安全等级、设计状况、设计表达式等进行探讨。

This paper probes into the following points including design service life , durability design , structure safety degree , design status , and design expressions , etc. stipulated in the " Uniform Standard for Port Structures ′ Reliability Design ( GB 50158-92 )" which is under modification .

分析工程选址和设计标准等的影响因素，并探讨工程设计使用年限和回报周期之间的关系。

In particular , the site selection and layout criteria are briefly reviewed , and the return period is discussed in accordance with the design life .

该表达式不仅具有坚实的理论基础，而且能够灵活应用于新型结构、新材料结构的设计以及既有结构的可靠性评定，满足人们对设计使用年限、目标可靠指标的不同要求。

Based on the solid theoretical basis , the expression can be use to design the new structure and new material structure , to assess the existing structures . So it can satisfy the different needs on the design working life and target reliability index . 3 .

按照我国现行的路面设计规范，设计和施工质量良好的沥青路面结构，一般要经过长期使用且达到设计使用年限后才会破坏，然而实际情况并非如此。

In accordance with the existing road design specifications of our country , asphalt pavement structure with good design and construction quality , generally will never be damaged until a long-term use and meeting the design service life .