| 1. | Influence of secondary load of voltage transformer on errors 电压互感器二次负荷对误差的影响 |
| 2. | Effect of secondary loading on calculation results of normal section s ultimate bearing capacity of rc beams strengthened with cfrp 加固混凝土梁正截面极限承载力计算结果的影响 |
| 3. | It is a question of secondary loading because of unloading part of loads before adhering cfrp . in this paper , simulated it successfully in element birth and death 由于在碳纤维布加固钢筋混凝土结构的施工过程中是先卸去部分荷载,再粘贴碳纤维布,这就存在二次受力。 |
| 4. | Based on literature and introducing the error coefficient ( r2 ) , the paper infers the formula ( 2 . 63 - 2 . 66 ) , which is applied to calculate the lag strain of bonded materials ( elag ) under the secondary load 本文在有关文献的基础上,引入误差调整系数_ 2 ,推导出钢筋混凝土受弯构件二次受力下粘贴加固材料滞后应变_ ( tag )的计算公式( 2 . 63 ) ( 2 . 66 ) 。 |
| 5. | Meanwhile , the results of program show that , under secondary load , the bonding - reinforced beams " yield - moment would decrease as the original load increase , but the original load would n ' t remarkably influence the ultimate flexural capacity 同时,程序计算结果表明,加固梁在二次受力的作用下,屈服弯矩随着初始荷载的增加而减小,但极限抗弯承载力受初始荷载影响较小。 |
| 6. | The characters of the load are described when the concrete beams are strengthened with cfrp . according to the beam ' s character of secondary load , this article theoretically analysis the flexural resistance capacity of the strengthened beams 对进行碳纤维布加固混凝土梁以提高正截面承载力力时的受力特点进行了描述,根据其二次受力特点对梁在加固后的承载力进行了理论分析。 |
| 7. | Firstly , a simplified method for calculating the deflection of the beam strengthened with cfrp is proposed when the effect of secondary loading is considered . numerical results with the method are in good agreement with the experimental data 本文首先提出了一种考虑二次受力时碳纤维布加固混凝土梁挠度的简化计算方法,经与已有试验比较,证实该方法给出的挠度具有较好的精度。 |
| 8. | And the calculated results closely coincide with experimental results . furthermore , the paper , through applying the improved algorithm to the load - deflection curve and secondary load , also the calculated curves closely coincided with experimental results ( showed as chart 3 . 17 - 3 . 20 ) 本文还将改进的算法运用于粘贴加固受弯构件的荷载?挠度曲线和二次受力问题的计算中,得出与试验结果吻合较好的计算曲线(图3 . 17 3 . 20 ) 。 |
| 9. | In engineering practice , carbon fiber - reinforced plastic ( cfrp ) is being widely used as the material to strengthen the concrete structures . one problem related is the effect of secondary loading , to which little attention has been paid in the literature . presently , this problem is considered 实际的加固问题大多属于二次受力问题,但现有的研究均未能够对这一特性加以很好的考虑,而是将加固结构视为组合结构进行分析,所得出的结果与实际情况有一定偏差。 |
| 10. | The beams under secondary loading ( namely the preloading was not removed ) are firstly studied in this dissertation , and the ultimate strength , stiffness , and the distribution of cracks of the beams strengthened with ferrocement have been analyzed . mid - span deflection , crack width and strains of steel were measured during the course of the test , and performances of the beams are compared and assessed with particular emphasis on cracking behavior , mid - span deflection , ultimate strength capacity , the modes of failure and so on 本文首次对二次受力(初始荷载不卸除)试件进行了加固试验研究,试验中测量了试件的极限荷载、混凝土应变、钢筋应变及钢筋网应变等,对比了加固与未加固构件的裂缝开展、跨中挠度以及极限荷载情况,并研究了用该方法加固的梁在各种受力情况下可能产生的破坏形式等。 |