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partial prestressed
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  部分预应力
     Construction Technique of 30 m Partial Prestressed Concrete Low-altitude Box Beam
     30m部分预应力混凝土低高度箱梁施工技术
短句来源
     Design of simply supported partial prestressed concrete beam
     部分预应力混凝土简支梁设计
短句来源
     The Possibilities and Economics of the Application of Partial Prestressed Concrete Beam in Railway Bridges
     部分预应力在铁路预应力混凝土桥梁上应用的可能性和经济性
短句来源
     Calculation procedure for bending strength of partial prestressed concrete
     部分预应力混凝土抗弯强度的计算方法
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     Application of Partial Prestressed Concrete Frame structure
     部分预应力混凝土框架结构应用探讨
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  “partial prestressed”译为未确定词的双语例句
     A Practical Design Method for Partial Prestressed Concrete Frame Structure
     PPC框架结构实用设计方法
短句来源
     Research on Desing and Construction of Precast Partial Prestressed Briages in Mountainous Terrain
     高原山区装配式部分予应力混凝土桥研究
短句来源
     Field Survey Results and Analysis of a Partial Prestressed Concrete Frame Structure
     局部预应力钢筋混凝土框架体系的实测与分析
短句来源
     Application of unbonded partial prestressed concrete in large-span waffle floor
     大跨度部分无粘结预应力密肋楼盖结构的应用
短句来源
     40 m simply supported partial prestressed concrete box girders are used for railway approach spans of Wuhu Changjiang River Bridge for the first time domestically.
     芜湖长江大桥铁路引桥采用 40 m PPC铁路简支箱梁 ,在国内尚属首次。
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  相似匹配句对
     Concise design method for partial prestressed structure
     部分预应力混凝土结构的快捷设计方法
短句来源
     Application of Partial Prestressed Concrete Frame structure
     部分预应力混凝土框架结构应用探讨
短句来源
     PARTIAL DIPLOMYELIA
     部分的二重脊髓
短句来源
     Partial Negatives in English
     英语中的部分否定
短句来源
     Discussion on prestressed losing
     浅谈预应力损失
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The experiences of most countries in the last 40 years on engineering practice have shown that the partial prestressed concrete structures in most cases are more economical, resonable and adoptable inservice. However, for practical application in railway bridge structures which are subjected to heavy dynamic loads, there are various views of doubts and misgivings. This paper deals with the behaviour of prestressed concrete beams under different load stages, fatigue and effect on corrosion of prestressed...

The experiences of most countries in the last 40 years on engineering practice have shown that the partial prestressed concrete structures in most cases are more economical, resonable and adoptable inservice. However, for practical application in railway bridge structures which are subjected to heavy dynamic loads, there are various views of doubts and misgivings. This paper deals with the behaviour of prestressed concrete beams under different load stages, fatigue and effect on corrosion of prestressed tendons and rebar after cracking. In the light of the existing situation and the experiences of the prestressed and reinforced concrete railway beams under 40 meters span length in China, it is clear that the application of partial prestressed concrete beams is justifiable in our railway bridges.

近40年来的国际工程实践经验表明:部分预应力混凝土结构往往更为经济、合理且具有良好的使用性状。但对于在承受重型动力荷载的铁路桥梁中的应用,仍不免有所疑虑。本文对部分预应力梁的受力工作性状,疲劳、裂纹对钢筋锈蚀的影响等方面进行了探讨;并结合我国铁路40米以下跨度的预应力混凝土梁和普通钢筋混凝土梁的应用现况及存在的问题论述了在铁路桥梁中采用部分预应力混凝土梁的可能性及其现实的经济意义。

This paper presents a moment-curvature analysis for unbonded partial prestressed concrete beam to determine the average strain of concrete along the beam and to establish the compatibility equation of the tendon. By dividing the beam into finite subintervals and using iterative method, the stress increcements in the tendon and other data in the whole loading procedure are obtained. Comparasion of the calculated results with the test results shows that the present analytical mehtod is precise and can be...

This paper presents a moment-curvature analysis for unbonded partial prestressed concrete beam to determine the average strain of concrete along the beam and to establish the compatibility equation of the tendon. By dividing the beam into finite subintervals and using iterative method, the stress increcements in the tendon and other data in the whole loading procedure are obtained. Comparasion of the calculated results with the test results shows that the present analytical mehtod is precise and can be used for precise calculation of unbonded prestressed concrete beams and for thief computer modelling test.

本文用弯矩曲率分析法,对无粘结部分预应力混凝土梁提出沿梁的长度方向束中心处混凝土平均应变计算及束的应变协调方程,并将梁在长度方向离散为有限个微段后,用迭代法对梁的整个加载过程进行全过程分析,求得束的应力增量及各类参数。计算结果与试验值作了比较,证明本文提出的分析方法精度较为理想,可用于精确计算无粘结部分预应力梁和用计算机进行梁的模拟试验。

It introduces the geaeral development on partial prestressed concrete, presents and analyses the main points of design, and expounds the idea and method of design. Finally, the economic benefit and the feasibility on application of partial prestressed concrete bridge in the forestry regions are studied, in this paper.

本文简介了部分预应力混凝土的发展概况、提出和分析了部分预应力混凝土桥梁的设计要点、阐述了部分预应力混凝土桥梁设计思想和设计方法、最后本文探讨了部分预应力混凝土桥梁的经济效益及在林区应用的可行性。

 
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