本文对有粘结预应力混凝土简支梁进行动力有限元程序设计。
The dynamic finite element program of bonded prestressed concrete beams was designed.
本文用塑性理论计算矩形截面钢筋混凝土简支梁的极限剪切强度。
Plastic theory is used in this paper to calculate the ultimate shear strength of rectangular RC beams simply supported.
同时对预应力混凝土简支梁进行了破坏性加载试验和振动信号采集工作。
At the same time, destructiveness test by loading on simple supporting prestressing concrete beam and gathering work of the vibration signal were carried on.
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.
将损伤力学理论与有限元法相结合，研究钢筋混凝土简支梁静载作用下的损伤破坏过程。
Failure process for the reinforced concrete free beam under static loading is formulated based on the elastic damage theory with the finite element method.
论文的另一部分重要工作是9根钢绞线网-聚合砂浆加固混凝土简支梁的粘结锚固试验。
Another important part of work is having a research on the bond anchorage experiment of 9 strengthened beams with high-strength steel wire mesh.
本文在混凝土简支梁横向稳定性分析的基础上，提出了橡胶支座上梁体横向稳定性的理论计算方法。
This paper presents theoretical calculation method for lateral stability of beam body on rubber seat, based on the analysis of lateral stability of concrete simple-supported beam.
本文在混凝土简支梁横向稳定性分析的基础上，提出了橡胶支座上梁体横向稳定性的理论计算方法。
The paper introduces a calculating method of transverse overturning stability of beams concerning the deformation of neoprene bearings.
应用该方法对一钢筋混凝土简支梁的损伤问题进行了研究，识别结果较好地反映了结构的损伤分布。
The damage of a simply supported RC beam was investigated; the identification results reflected the structure damage distribution well.
本文在试验研究基础上，运用根据极限平衡理论，建立了锈蚀钢筋混凝土简支梁斜截面承载力计算模型。
Based on this research and using the ultimate equilibrium theory, the calculation model of shear bearing capacity of corroded simply supported reinforced concrete beam is established.
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.
为探明不同附加荷载下混凝土梁的频率变化规律，建立起钢筋混凝土简支梁在附加荷载作用下振动特性与破损模态之间的关系。
Through the way of model beam, the paper addresses the relationship between RC beam bridge attached load vibration characteristic and damaged modal.
结合4根用碱矿渣胶凝材料粘贴碳纤维布加固的钢筋混凝土简支梁的火灾下和火灾后的试验，开展了如下研究工作：(1)完成了该批试验梁从升温1。
Based on the experiment of 4 concrete simple beams reinforced by pasting CFRP sheet with AASCM subjected to fire and after fire, the following researches are carried out: 1.
简支钢混凝土组合梁的承载力是组合梁最重要的性能之一。
The bearing capacity is one of the most important performances for the steel and concrete composite beams.
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.
提出了钢与混凝土简支组合梁的徐变效应简化分析方法，建立了粘弹性分析的数学模型。
A simplified method for analysis of creep effects in steel-concrete simply supported composite beams is presented. The mathematical models of viscoelastic analysis are created.
该线大量采用后张法预应力混凝土双线单箱简支箱梁。
A great amount of post tensioned pre-stressing concrete single box beam for double track (as called the box beam hereinafter) has been used on the line.
研究了单伸臂简支组合梁和双伸臂简支组合梁钢与混凝土板之间相对滑移和栓钉受力的关系；
The relations between the steel concrete slips and the studs' loading forces of two kinds of simply supported composite beams with one or two cantilevers respectively are studied.
预弯组合简支梁，是钢板与混凝土相结合的一种新型梁式结构，本文介绍该组合梁的基本构思及设计、施工等内容。
Prebent combined simple supported beam, combining steel plate with concrete, is a new type beam structure. This paper introduces the basic conception, design and construction of this combined beam.
最后，分析了理论计算结果和实测数据之间产生差别的原因，对钢筋混凝土预应力简支梁动力性能的研究进行了展望。
Finally, reasons of deviation between theoretical calculation result and experimental data is discussed, the research of dynamic characteristic of prestressed concrete simple supported beams is hoped.
最后依据对试验数据的回归分析分别得出了集中荷载作用下超高强混凝土无腹筋简支梁和约束梁的抗剪强度回归公式。
Finally, according to regression analysis of the experimental data, the shear strength formula of super high-strength concrete unconstrained beams under point load is achieved.
用有限元法和能量变分法对预应力活性粉末混凝土简支箱梁的剪力滞效应进行研究。
The shear-lag effect on the prestressed RPC simply-supported box girder is studied by FEA method and energy variation method.
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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