本文探讨重复荷载对部分预应力混凝土梁疲劳抗剪强度的影响。
The effects of repeated loading on the fatigue shear strength of partially prestressed concrete beams are studied.
部分预应力混凝土梁中的非预应力钢筋在反复运行荷载作用下承受交变应力。
The non—prestressed steel bars in ppc beams endure alternate stress under the repeated service loading.
在试验和理论分析的墓础上，提出了无粘结部分预应力混凝土梁裂缝宽度的计算方法。
According to the test results and theoretical analyses, a method of calculating the crack width of unbonded partially prestressed concrete beams is presented.
本文概要地介绍了允许出现裂缝的部分预应力混凝土梁斜截面疲劳性能的试验研究结果。
The test research results on fatigue behaviour of inclined section of crack-permitted partially prestressed concrete beams are briefly described in this paper.
使用荷载下无粘结部分预应力混凝土梁应力分析的主要困难，是如何确定无粘结预应力筋的应力。
The main difficulty of stress analysis of unbonded partially prestressed concrete beam is how to determine unbonded tendons stress.
计算部分预应力混凝土梁开裂后截面应力时，需求解中和轴高度的三次方程，使计算显得比较复杂。
It is rather complicated to compute the neutral axis in partially pre-stressed concrete beams after cracking, since we have to solve a cubic equation.
研究以碳纤维筋为无粘结预应力筋和环氧涂层钢筋为非预应力筋的部分预应力混凝土梁的受弯性能。
Based on the existing test results, the calculation method of the closing stresses and closing moments in partially prestressed concrete beams has been discussed.
在详细分析了预应力度同梁的应力、位移、开裂的关系的基础上提出了部分预应力混凝土梁的设计方法。
Based on analyzing the relations of degree of pre-stress to stress, deflection and crack of concrete beam, a design method is pro-posed.
预应力设计是混凝土连续梁桥设计中的重要组成部分。
The prestress design is the important part in the design of concrete continuous girder bridges.
尝试利用遗传-神经网络模型，对无粘结部分预应力高强混凝土梁的延性进行预报。
In this paper, the genetic algorithm-neural network model is used to predict the ductility of unbonded partially prestressed concrete beam with high strength.
无粘结部分预应力混凝土(UPPC)梁桥抗弯强度计算的关键，是如何确定无粘结预应力筋的极限应力。
The key to calculate the ultimate flexural strength of unbonded partially prestressed concrete (UPPC) beam Bridges is how to determine the ultimate stress of unbonded post tensioning tendons.
无粘结部分预应力混凝土低高度箱梁具有施工简便、节省材料等优越性。
The low height chest beam of cohesionless PPC possesses the superiority such as construction handy and economizing material et al.
其中一榀模型为普通钢筋混凝土结构，另一榀模型在底部转换梁施加了预应力，并在底部转换梁及部分杆件采用了钢骨混凝土。
In which one of them was common reinforced concrete structure, and the other used prestressed steel reinforced concrete (PSRC) in bottom chord of the transfer structure.
厦门同安银湖大桥是国内第一座使用环氧全涂平行钢绞线斜拉索的预应力混凝土部分斜拉桥，墩塔梁固结体系。
Xiamen Yinhu bridge is a partially cable-stayed prestressed concrete bridge, whose pier, tower and beam are consolidated together.
本文提出了一种新桥型——部分预应力混凝土组合连续梁桥的设计原理与施工方法。
In this paper, some design principles and construction methods of a new type composite continuous beam bridge with partially prestressed concrete have been put forward.
从我国已经建成的大跨度预应力混凝土连续梁桥的实践来看，大部分采用悬臂浇注法施工。
In the great span prestressed concrete continuous Bridges which already completed in our country, the majority were constructed by the cantilever concreting.
本文根据50片部分预应力混凝土静载试验梁的试验资料，着重讨论了预应力度和剪跨比对梁极限抗剪强度的影响。
This paper presented the test of 50 beams of partially prestressed concrete and 82 datum of the ultimate shear strength.
柳州三门江大桥主桥为双塔、双索面、三跨部分斜拉预应力混凝土箱梁桥。
The main bridge of Sanmenjiang Bridge in Liuzhou is a 3-span partial cable-stayed prestressed concrete box beam bridge with two pylons and double cable planes.
柳州三门江大桥主桥为双塔、双索面、三跨部分斜拉预应力混凝土箱梁桥。
The main bridge of Sanmenjiang Bridge in Liuzhou is a 3-span partial cable-stayed prestressed concrete box beam bridge with two pylons and double cable planes.
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