| 1. | Realization of appdomain - based fast data reading technology 预应力梁固有频率的试验研究 |
| 2. | On the concrete mix proportion design of the prestressed girder of shatang bridge 沙塘特大桥预应力梁混凝土配合比设计 |
| 3. | Nonlinear analysis of the pre - stressed beam string structures in the pre - stressing stage 预应力梁弦结构预应力施工控制的非线性分析 |
| 4. | Application of mathematic and physical statistic theory in pretensioning prestressing beam construction 数理统计原理在先张法预应力梁施工中的应用 |
| 5. | Experimental investigation of damaged rc frame structure strengthened with cfrp under the vertical load 先张法折线形预应力梁钢绞线摩擦损失试验研究 |
| 6. | The finite element models of psbget are established in the thesis by utilizing finite element software , ansys 本研究应用ansys有限元程序建立预制节段拼装体外预应力梁的三维有限元模型。 |
| 7. | The structure analysis methods during construction stage are investigated form the construction properties of twice - prestressed beam 本文从二次预应力梁的施工工艺出发,研究其在施工阶段的结构分析方法。 |
| 8. | Based on rizhao port bulk grain wharf construction , this paper presents a simple , practical and efficient construction technique of post - tensioned pre - stressing concrete beam and beam - slab 摘要以日照港散粮码头施工为例,介绍一项简单、实用、高效的后张预应力梁及梁板的施工工艺。 |
| 9. | Additionally , modal parameters are tested under different prestressed forces and during the course of the lose of prestressed forces . finally , different vibration conditions , such as different rigidity of the hammer and different forces , are also studied 另外通过振动测试,对预应力梁在不同的张拉控制应力下、预应力损失过程、不同激励条件下构件的实测模态参数的变化规律进行了试验研究。 |
| 10. | Moreover , six externally prestressed beams which were experimented overseas were analyzed with this method developed , by comparing the calculation result and the experiment data , it is found that the calculating method has a satisfactory precision and is worth being promoted 利用这一概念,建立了直接通过塑性铰区长度和曲率半径求体外预应力筋应力和梁极限弯矩的简化公式,用简化公式对国外有关6片体外预应力梁进行了计算,并与试验结果进行对比,证明本研究中的简化公式具有较好的精度,值得推广。 |