| 1. | Technical specification for flexible pier railway bridge 铁路柔性墩桥技术规范 |
| 2. | Analysing the mechanics of flexible pier 柔性墩的受力分析 |
| 3. | The researches show that the vertical cracks on the surfaces paralleled to water flow of thin - walled flexible piers may be induced by the large shear stresses at the faceoffs in the cross - section near the bearing and the variable cross - section of the pier 研究表明,墩身在平行于水流方向的两侧面上的竖向裂缝,可能是由于墩身在底部和中间变截面处的倒角附近区域产生较大剪应力而引起的。 |
| 4. | Because continuous rigid frame bridge is a kind of multi - degree indeterminate structure , large internal force will be produced in the bridge structure due to the temperature effect . therefore , it is necessary to design the flexible pier with small lateral displacement rigidity , which calls for the decision of a reasonable ratio of beam bending rigidity to pier lateral displacement rigidity 此外,连续刚构桥是高次超静定结构,温度变化将引起较大的结构内力,需要设计抗推刚度较小的柔性墩以减小温度内力,合理确定主梁与墩的刚度比值是设计的关键。 |
| 5. | On the basis of data collection and analyse , the paper draws lessons from the built bridge and the newest research achievement , and studies the optimal design theory and method of the continuous rigid - frame bridge with double thin - wall flexible piers which especially adapts to landform and transportation development condition in the western regions 在资料的收集和分析基础上,借鉴已建成的实桥资料和最新的研究结果,对适合我国西部地形地貌及交通建设条件的双薄壁墩连续刚构桥的优化设计理论与方法进行了研究。 |
| 6. | Through the investigations on the distribution of cracks in thin - walled flexible piers of built continuous rigid frame bridges , and mechanics analysis on a thin - walled flexible pier of a building continuous rigid frame bridge , the cause of the cracks on the piers is derived preliminarily 摘要通过调查已建成的连续刚构桥梁的薄壁柔性墩身裂缝分布状况,和对正在施工中的连续刚构桥梁的薄壁柔性墩身进行受力分析,初步得到连续刚构梁桥的薄壁柔性墩墩身裂缝产生的原因。 |
| 7. | Through numerical analysis of the double thin - wall flexible piers continuous rigid - frame bridge , the paper discusses the design influence of the double thin - wall flexible piers . based on the nonlinear programming , the paper thinks about elastic displacement of groundwork , from force analysis of the double thin - wall flexible piers continuous rigid - frame bridge , to draw to the method of parameter optimal design method 通过对双薄壁墩连续刚构桥的数值分析,探讨了双薄壁墩设计的影响因素,着重从双薄壁桥墩连续刚构桥的受力分析出发,以非线性规划为基础,提出了考虑基础弹性变形的优化设计方法。 |