| 1. | Theoretical analysis of shear stress redistribution in sfrc composite beams 钢纤维混凝土迭合梁截面剪应力分布规律理论分析 |
| 2. | Stress redistribution around a broken fiber in an intermingled hybrid composite sheet 层内混杂复合材料断裂纤附近的应力重分布 |
| 3. | The aftershocks were distributed on ( or near ) the fault plane and were triggered by the stress redistribution in the medium in the nearby region of the fault plane 余震发生在主震的断层面上(或其附近) ,是由主震断层面附近介质的应力调整造成的。 |
| 4. | The inclined column ' s failure due to a complex stress state resulted in a dramatic stress redistribution as well as a local compressing failure in the wall , in which its capability was not fully used 正是由于转换梁在复杂应力作用下破坏,导致了薄壁柱中大幅度的应力重分布,使其产生局压破坏,且承载力不能得到充分发挥。 |
| 5. | By this means , nonlinear properties of concrete and steel bars , as well as stress redistribution near the orifice caused by concrete cracking , are not taken into account . furthermore , concrete cracking could not be well controlled by reinforcing bars 这种方法不能反映混凝土和钢筋两种材料的非线性性质以及混凝土开裂后引起的应力重分布,并且不能有效地控制孔口的开裂,按照此方法计算的配筋量往往偏大。 |
| 6. | Third , the theory and formulations about the stress redistribution due to creep and shrinkage of composite section and the secondary internal forces which are caused in hyper static structure , the self - stressed force and the secondary internal forces due to expansion , are studied , program is compiled by use of formulations studied above and it is used to analyze sensors that are installed during the course of work 再次,探讨了收缩徐变作用下组合截面应力重分布以及在超静定结构产生次内力和膨胀变形引起自内力和次内力计算理论及公式,编制了相应程序,对加固过程中埋设的传感器进行了分析计算。 |
| 7. | The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section , the same to the axial direction . the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration , the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section 在钢管混凝土拱肋断面上,钢管对内填混凝土的环箍效应具有非均匀性,在拱轴方向上环箍效应也呈现非均匀性。验证了材料的横向变形系数、混凝土标号等参数的变化将引起环箍效应的明显改变;混凝土的收缩、徐变和膨胀混凝土的应用导致钢管混凝土的环箍效应发生变化并使截面的应力发生重分布;并总结了其变化的基本规律。 |
| 8. | After having deduced the combined stiffness matrix considering the contribution of concrete , tendons and non - prestressed steel , a novel mixed analysis method ( mam ) based on finite element ( fe ) and asum to analyze time - dependent stress redistribution and structural internal force redistribution due to creep and shrinkage in pc bridges is presented . the obvious advantage of this method is that all time - dependent factors , which are took into account in asum , need not to be considered in fe , thus the accuracy of mam can be easily guaranteed by fe and asum , respectively . this method opens a new approach to analyze creep and shrinkage both conveniently and precisely 该法的特点是,有限元法列式中不考虑与时间效应有关的影响因素,仅完成弹性分析功能,所有与时间效应有关的影响因素均在全量形式自动递进法中考虑;因此,混合分析法的计算精度可通过各自独立的两方面来保证:有限元法弹性效应分析的精度和全量形式自动递进法时变效应分析的精度,为方便、准确的徐变效应分析提供了新途径。 |
| 9. | Based on the linear creep theory and deformation coordination principle , the calculation method and computing formulas about the inner force redistribution and the stress redistribution are investigated in this thesis , the validity of this method is demonstrated by comparison the calculated results with the tested results 基于线性徐变理论和变形协调原理,本文研究了二次预应力连续梁的徐变内力重分布和徐变应力重分布的计算理论和计算方法,并与试验结果进行比较,以求验证本文方法的可行性。 |
| 10. | In this paper , with the available computer method , theauthors have obtained the stress distribution acrosssections of reinforced concrete composite beams under two stages ofloading , and show that the stress redistribution under two stages ofloading results in a reduction of stress discrepancy in thetensile steel and of strain discrepency in the compressed concrete between thecomposite beam and the corresponding casting beam 本文运用成熟的电算模拟方法,计算得到二阶段受力钢筋砼叠合梁在不同受力阶段的截面应力分布规律及钢筋的应力变化规律,分析得到二阶段受力时钢筋砼叠合梁1的受拉钢筋应力超前、受压区砼应变迟后逐渐缓解的实质为截面应力重分布的结果 |