| 1. | Bending theories for beams and plates with single generalized displacement
单广义位移的深梁理论和中厚板理论 |
| 2. | Nonlinear bending theory of diagonal square pyramid reticulated shallow shells
斜放四角锥扁网壳的非线性弯曲理论 |
| 3. | In chapter 4 a systematic methodology for bend theory of elastic thin plates are researched
第四章研究薄板弹性弯曲理论的求解体系。 |
| 4. | In elementary beam bending theory , it is assumed that the stresses are constant through the width of the beam . however , for the wide flange girders , the stresses are not uniform
按照初等梁理论即假定翼缘板具有无限抗剪刚度,宽翼缘箱梁在荷载作用下翼缘的正应力沿着宽度方向上是均匀分布的。 |
| 5. | The theoretical formula for structural computation of buried stiffened - pipes is derived based on the axisymmetric bending theory of cylinders and thereby a program of structural stress computation and design optimization of buried pipes are developed
摘要作者根据圆柱壳的轴对称弯曲理论，推导出地下加劲埋管结构计算的理论公式，并据此编制出地下埋管结构应力计算和设计优化程序。 |
| 6. | The paper gives a summary for the current technology situation of foreign and civil in the field on torsion and distortion of box gird bridges . by general bending theories , transfer matrix methods is used in the torsion and distortion of continues box gird bridges
在分析变截面连续箱梁扭转与畸变内力时所采用的方法是一种比较实用的计算方法即传递矩阵法，研究任意变截面连续箱梁的扭转、畸变及横向挠曲。 |
| 7. | 3 ) based on the asymmetrical beam bending theory , the deflections of damaged hull subjected to hogging and sagging moments and shear forces are analyzed accounting for the external loads listed from previous chapter . the effect of shearing deflection on total hull deflection is discussed
3 )在非对称弯曲梁模型的基础上，考虑外载荷变化下，计算了宏观破损后船体弯曲挠度和剪切挠度，并分析了剪切挠度对总挠度的影响。 |
| 8. | Based on the generalized variational principle of the modificatory variables and substituent shearing strain field interpolation of the bending theory of the mindilin plate , this paper brings up the nine - node mixed plate bending element and adopts the sap2000 ? a large - scale finite element analysis programs . by the examples , we find the precision of the method is satisfying
在对转换层厚板进行局部有限元分析时，本文提出了基于mindlin中厚板弯曲理论的修正的二类变量广义变分原理和替代剪应变场插值方法的九节点厚薄板通用的板弯曲单元，并采用了sap2000有限元程序。 |
| 9. | This variation of stresses is due to the action of in - plane shear strain in the plate , which is termed “ shear - lag ” . stresses larger than the elementary bending uniform stress thus develop at the web - flange connection . an appropriate reduced “ effective width ” of the plate - with the uniform stress equal to the maximum longitudinal stress - has been widely used by engineers in conjunction with the elementary beam bending theory
但实际上翼缘中剪切变形是不均匀的,由此导致正应力沿桥宽呈曲线分布,从而引出了有效宽度的概念,即按初等梁理论的公式也能得与真实应力峰值接近相等的那个翼缘折算宽度。 |
| 10. | The thesis puts forward bending theory of flat plate with extensive four - displacement for the first time , so it has significant theoretical significance . and the theory is helpful and practical for the design and construction of expressway , airport aircraft parking area , wharf freight shed and plate type foundation
本论文首次提出了具有四个广义位移的平板弯曲理论，具有重大的理论意义，同时对高速公路路面板、机场停机坪、码头货舱、板式地基的设计和施工等工程实践具有重要的指导意义。 |
