| 1. | Fasteners . fatigue test under axial load 紧固件.轴向负荷疲劳试验 |
| 2. | Capacity study under axial load of circular steel tube compile short column filled with steel reinforced concrete 钢框架结构钢骨消能支撑的抗震性能研究 |
| 3. | Finite element analysis of load bearing capacities of concrete - filled steel tube columns under axial load 钢管混凝土轴心受压构件极限承载力的有限元分析 |
| 4. | The bearing capacity and settlement property of single pile under axial load is an important subject in pile foundation theory research 单桩的承载力与沉降特性是桩基理论研究中的重要课题。 |
| 5. | Experimental research on influence of initial stress to behavior of concrete filled steel tubular dumbbell shaped stub columns under axial loads 初应力对钢管混凝土哑铃形轴压短柱受力性能影响的试验研究 |
| 6. | In this paper , the load behaviour and failure machanism of pile under axial load is analyzed , and the conventional calculation methods with their limitations are summarized 对竖向荷载作用下基桩的受力性状及破坏机理进行了分析,然后介绍了基桩竖向承载力常用计算方法。 |
| 7. | For each stiffener element , the average stress - strain relationship under axial load as a beam - column in the flexural buckling mode is derived based on the approximate method , proposed by gordo and guedes scares 这种方法对传统船型是有效的,但是它不能给出船体极强度的真实估算,而且当应用于非传统船型时其计算结果不能令人满意。 |
| 8. | The cold - formed square hollow section columns are widely used in various structures such as building structure , trusses , space frames and offshore plates etc . this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load , the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis , and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model , and geometry nonlinear analysis , the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model , the geometry nonlinear analysis , the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns , which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element , and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002 冷弯方管作为轴心压杆广泛用于房屋结构、桁架、网架、塔架以及海洋平台等结构中,本文主要研究轴心受压冷弯方管的承载力性能,内容主要包括以下一些: ( 1 )对冷弯方管的弹性临界应力进行有限元分析,并与经典理论结果进行对比,以验证有限元程序的适应性; ( 2 )阐述冷弯方管采用有限元弹塑性非线性分析理论及应用ansys软件的非线性分析方法; ( 3 )采用弹塑性模型,考虑几何非线性及材料非线性,对不同宽厚比的轴心受压冷弯方管柱的冷弯效应进行有限元非线性分析研究; ( 4 )考虑冷弯效应对屈服应力的影响,对不同宽厚比的轴心受压冷弯方管短柱在不同初始变形下的承载力性能进行有限元非线性研究; ( 5 )考虑冷弯效应、几何初始变形,对不同长细比和不同宽厚比的轴心受压冷弯方管长柱的承载力性能进行有限元非线性研究,并与试验结果以及我国现行规范gb50018 ? 2002计算结果进行对比分析。 |
| 9. | Meanwhile the effects of slenderness ratio and load eccentricity on the ultimate load - capacity of slender composite columns are numerically analyzed and discussed in detail . then a t - shaped slender composite column under axial load and two groups of slender composite columns of rectangular cross section subjected to combined biaxial and lateral loads are analyzed , the load - carrying and deformation behaviors of such columns are analyzed and discussed 在此基础上,对一偏压荷载作用下的t型截面组合长柱和两组横向与偏压荷载共同作用下的矩形截面长柱分别进行了实例计算,就不同荷载情况下组合长柱的受力与变形特性进行了分析和讨论。 |
| 10. | Firstly , the shear and normal stresses of tapered members under the transverse load or axial load are analysed , and the stresses formulas are obtained which are different from those of the prismatic ones . secondly , research is done on the in - plane inelastic stability of tapered members under axial loads about strong axis and weak axis . a new design method is suggested in which the tapered member is equivalent to the prismatic member with the cross - section at the larger end of the tapered member 同时由分析可知,目前采用的将变截面压杆按照弹性极限荷载等效的原则等效成以小端截面为准的等截面压杆的设计方法,在弹塑性阶段低估了压杆的承载力,即弹性等效的压杆在弹塑性阶段并不等效,实际变截面压杆的承载力比等效的等截面压杆的承载力要高。 |