| 1. | Design of simply supported partial prestressed concrete beam 部分预应力混凝土简支梁设计 |
| 2. | Research on the length of plastic hinge of partially prestressed beams 部分预应力混凝土梁塑性铰区长度的研究 |
| 3. | Predicting the crack width of partly prestressing concrete square - section beam by bp neural network 网络预测部分预应力矩形截面梁的裂缝宽度 |
| 4. | Application of prestressed concrete in plate girder bridge with post - tensioning method without splice 后张无粘结部分预应力砼在板梁桥中的应用 |
| 5. | Prediction model of ductility of unbonded partially prestressed concrete beam with high strength based on genetic algorithm and neural network 神经网络的无粘结部分预应力高强混凝土梁延性预测模型 |
| 6. | This article provides the reference for the application of partially prestressed concrete frames with unbonded tendons in earthquake area 本文的研究为无粘结部分预应力混凝土框架在地震设防区域的应用提供参考。 |
| 7. | But it is seldom reported how is the behavior of the partially prestressed concrete frames with unbonded tendons under the low - cyclic loading 而无粘结部分预应力混凝土框架结构在反复荷载作用下的性能如何,却鲜见报道。 |
| 8. | A historical analysis in theory is carried on studying redistribution of internal force in the bonded post - tensioned partially prestressed concrete framesin this paper 本文编制了变刚度分析程序,重点研究了后张有粘结部分预应力混凝土框架的塑性内力重分布的规律。 |
| 9. | Based on the background , the main research work is as follows : this paper focus on the research of dynamic damage diagnosis of three prestressed concrete beams and a reinforced concrete beam 基于上述背景,本文进行如下研究工作:对三根无粘结部分预应力混凝土梁及一根钢筋混凝土梁进行了动力损伤诊断试验研究。 |
| 10. | Unbounded partially prestressed reinforced ( ppc ) structure is a new form of reinforced concrete ( rc ) structure 5which need not set ducts , install tendons and grout in advance , so it is more convenient and quicken the rate of progress 无粘结部分预应力混凝土结构是一种新型的加筋混凝土结构形成,它不需要预留孔道、穿筋、灌浆等复杂工序,简便操作,加快了施工进度。 |