对国内外体外预应力混凝土梁的研究成果进行了较为系统的分析总结。
The existing research achievements, at home and abroad, on external prestressed concrete beams are systematically analyzed in this paper.
详细计算了体外预应力混凝土梁中常用型号体外索的自振特性，介绍了铁路混凝土梁的实测自振频率。
Vibration characteristics of external tendons used on external prestressing concrete beams are detailedly calculated. Also the tested vibration characteristics of railway concrete beams are presented.
阐述了体外预应力结构的概念与特性，分析了传统体外预应力混凝土梁桥建模方法——等效荷载法和荷载平衡法的缺点。
The shortcomings of the traditional modeling methods, the equivalent load method and the load balance method, in external pre-stressed concrete bridges were analyzed.
试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
The test results show that the externally prestress technology can be applied in strengthening concrete simple span beam to enhance its bearing capacity and ductility.
研究了体外预应力钢-混凝土组合梁在正常使用极限状态下的受弯性能。
It is researched that the bending behaviors of external prestressed composite steel-concrete beams in service ability limit state.
本文针对体外预应力混凝土简支梁的受力、变形特点，提出了计算体外预应力结构中收缩徐变产生的预应力损失的基本方法。
The paper provided with a method to calculate the pre-stress loss caused with systolic stress in the outside of pre-stress force.
针对某大跨度连续刚构桥出现的主要病害及其原因，介绍了采取增设预应力混凝土箱梁体外索的加固措施。
Aiming at the main damage and its causes of a large-span continuous rigid framework bridge, the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.
研究了体外预应力钢-混凝土组合梁在承载能力极限状态下的抗弯承载能力，提出了相应的计算公式。
It is researched that the ultimate flexural capacity of external prestressed composite steel-concrete beams in ultimate limit state of carrying capacity, and the relevant formula are derived.
本文采用应变折减的方法推导了体外预应力FRP筋混凝土梁承载力的计算方法，并将计算结果与试验数据进行了对比。
This paper introduces how to calculate the ultimate strength of external pre-stressed concrete beam with FRP tendons by means of strain reduction.
本文对体外预应力钢-混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel - concrete beams with external post - tensioning tendons.
本文对体外预应力加固混凝土梁的研究概况及加固机理进行了阐述，为以后的加固设计提供理论参考。
This paper presents the study survey and strengthening mechanics of the External prestressed strengthened beam which give the reference for future strengthening design.
研究并分析了体外预应力混凝土连续梁弯矩重分布的规律及其影响因素。
The redistribution of moment of model beams and its effect factors are studied and analyzed.
体外预应力是指预应力筋布置在混凝土梁体以外的预应力，与之相对的即为传统的预应力筋布置在构件截面内的有粘结或无粘结预应力。
External prestressing means that the prestressing bars are disposed outside the beam bodies, which in tradition are inside the beams with or without bond.
本文对体外预应力钢一混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel -concrete beams with external post - tensioning tendons.
本文对体外预应力钢一混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel -concrete beams with external post - tensioning tendons.
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