| 1. | Technical analysis of reinforcing old bridge with pre - stress method
预应力法加固旧桥的技术分析 |
| 2. | The study and outlook on rotor dynamics based on prestress method
基于预应力法的转子动力学研究及其展望 |
| 3. | First , the author carried out static experiment on the 1 : 1 model of fixed support beam strengthed by external prestressing and by bonding steel plate
首先，进行了1 1模型的体外预应力法和粘钢法加固固端支座梁的静载试验。 |
| 4. | When introducing simply the strengthening methods in the country at present , the method of prestressed strengthening was discussed with emphasis in the application of the structure strengthening
本文在简要介绍目前国内加固方法的同时，重点论述了预应力法在结构加固中的应用。 |
| 5. | The strengthening by prestressing may resolve the above - mentioned problems . in this way , unloading and strengthening can be achieved synchronously and strain lagging can be cleared up partly or fully
预应力法加固可以使上述问题得到较好解决，它可以实现卸载和加固同步进行，部分或全部消除二次受力所引起的应变滞后现象。 |
| 6. | These results demonstrate that the effect of improving the bearing load of structure is very good by strengthening the member of eccentricity compression under pre - stress . the ultimate bearing capacity of strengthened column is closely related to the eccentricity distance . in the condition of eliminating the lagging strain of angle iron , the magnitude of pre - stress putting on the angle iron has litter impact on the ultimate bearing capacity of structure
偏心受力构件的有限元计算结果表明：预应力法加固偏心受力构件，其对结构承载力的提高效果显著；加固柱的最大承载力与柱的偏心距有密切关系；在消除角钢应变滞后的条件下，对角钢施加预应力的大小对结构最终承载力无明显影响。 |
| 7. | The formula is suitable for most engineering cast which consist of three disposal styles of tension rod - level tension rod , one break point strut - framed tension rod , two break points strut - framed tesion rod , and consider the boundary condition ' s effect on the strengthening . its application also is convenience
此公式包容了现今预应力法加固工程中多采用的三种拉杆布置型式? ?水平式拉杆、下撑式一折点拉杆、下撑式两折点拉杆，并考虑到边界条件对加固所产生的影响，具有简便易用，适用面广的特点。 |
| 8. | In this paper , the author study the mechanics performance of reinforced concrete beam strengthened by external prestressing and the contrast against it by bonding steel plate by the means of theoretics and experiment . through this study , the author educes many valuable conclusions and put forward some advices for the design of beam strengthened by external prestressing
本文采用试验和理论研究相结合的方法，对采用体外预应力法加固钢筋混凝土梁进行了较深入的研究，并将其与粘钢法加固进行对比研究，得出了诸多有价值的结论，并对体外预应力法加固梁设计提出了改进办法。 |
| 9. | The test data demonstrate that the column strengthening by the prestressing force can be removed load and strengthened synchronously and the lagging of strain of the new parts compared that of the old can be cleared up when twice - loaded . the bearing capacity of whole construction is increased remarkably and the material of both the new parts and the old reach ultimate states
通过试验数据分析可见，预应力法加固轴心受压构件可以达到加固与卸载同步进行，使新加部分在二次受力相对于原混凝土的应变滞后现象得到较好的消除，加固后组合构件整体承载力得到显著提高，新加部分与原构件材料的承载潜力可以达到最大的发挥。 |
| 10. | For the sake of grasping completely the performance of component under eccentricity compression by prestressed strengthening method , the eccentricity loading components under the different value of prestressed forces and the change of eccentricity distance were designed in details on basis of the bearing properties of it
依据偏心轴压构件的受力特点，为了完全掌握预应力法加固偏心受压构件的性能，本文对偏心受力构件进行了详细设计，如预应力的取值变化、偏心距的变化等。 |
