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• Critical buckling load of all plate specimens was derived based on elastoplastic theory.

利用弹塑性理论推导各组试件屈曲临界载荷

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• The critical buckling load is influenced by the pattern of bottom-hole assembly directly.

下部钻具组合具体方式直接影响其能承受临界载荷的大小。

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• Under axisymmetrical compressive conditions, the critical buckling load of sea ice plate is given.

轴对称条件下，给出海冰环向屈曲临界载荷

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• The calculation of critical buckling load of struts is according to the condition of the end restraint.

工程结构中受压构件临界屈曲载荷计算理想约束条件求得的。

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• In this paper, a dynamic evaluative method is provided to define the buckling load of oilfield derrick.

提出一种确定石油钻井井架结构屈曲荷载动态评估方法

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• The influences of the continuity of rib and the direction of shear load on the buckling load were also investigated.

随后分析缘条连续性正反剪载荷效应结构屈曲载荷及屈曲模态的影响。

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• The optimization constraints can be stress, stiffness, displacement, frequency or buckling load and dynamic response.

优化约束条件包括应力刚度位移频率临界压力响应。

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• The effects of the connectors on the critical buckling load and the bending stress of pipes in horizontal section are analyzed.

分析钻杆接头水平井钻柱屈曲临界弯曲应力影响，提出了计算钻柱正弦屈曲临界力的新方法。

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• The concrete slabs strengthen the torsion buckling capacity of the steel grids and enhance the minimum geometric nonlinear buckling load.

混凝土面板加强网架抗扭转屈曲能力提高最小几何非线性屈曲荷载

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• The effect of the shear deformation on the buckling load can be calculated by solving the differential equation for the buckling broblem.

剪切对轴压稳定临界载荷影响，可用微分方程解决

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• Present paper takes a tubular boom as an example to prove that it is precise enough to use energy method to find buckling load of a boom.

本文管形变截面证明能量臂架屈曲载荷相当准确

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• By solving the disturbed equations, the bifurcation condition of the dynamic buckling, critical buckling load and buckling mode are obtained.

通过求解扰动方程得到了动态屈曲分叉条件临界载荷屈曲态。

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• Analysis shows that, when the outside diameter of the joint is small, the variation of the outside diameter will change the sin critical buckling load.

分析指出接头外径小时，外径变化改变正弦屈曲临界力。

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• Thus, for the slender struts supported on the elastically system, the influence of the bearing deflection on the critical buckling load must be considered.

因而支承弹性系统细长压杆考虑支坐变位临界屈曲载荷影响

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• The optimization of the radius of openings and the gap between openings is performed based on a modified eigen buckling load, which corresponds to arch efficiency.

通过选用一种代表效率特征屈曲荷载参数，研究了腹板孔洞半径间距优化尺寸。

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• For a secondary bifurcation buckling load, the limit load carried capacity of the arch of 0.1 rise-span ratio is the biggest one under a full span load distribution.

均布荷载作用0.1极值点屈曲二次屈曲极限承载力均大于其他拱。

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• The relationship of critical buckling load and fiber bridge stiffness are approximately linear. The greater the fiber bridge stiffness, the smaller the buckling region.

屈曲临界载荷随着纤维刚度系数增大而增大，脱层屈曲的临界载荷纤维刚度系数近似成线性关系

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• Three difference buckling modes of delaminated shell were considered. The influence of boundary condition, length and depth of delamination on buckling load was analyzed.

考虑层壳三种不同屈曲态，分析了边界条件长度深度脱层壳屈曲载荷影响

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• The research of local buckling occurred in coped beam is still rare. Besides the coped size and other relative parameters have a large influence on buckling load of steel beam.

关于切口钢梁局部屈曲研究目前相对较少，切口尺寸以及其他相关参数很大程度影响钢梁的屈曲荷载

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• Based on the relationship between the buckling load of a rigid column and the bracing stiffness, the critical stiffness requirement of the bracing for a single column was obtained.

本文首先利用刚性单柱屈曲荷载增量支撑刚度关系，得到单柱横系杆支撑、斜拉杆支撑的门槛刚度要求

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• The nonlinear buckling analysis is sufficient to simulate the actual situation, draw telescopic arm section 4 and the overall buckling load when the hanging baskets were 12058N, and 10126N.

非线性屈曲分析结果较之特征值屈曲分析结果更能反映实际情况得出载荷分别为12058N10126N时，4伸缩臂会发生局部失稳现象。

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• Experiments are carried out to study the buckling response of cylindrical aluminum alloy shells under transverse load, with critical buckling loads measured and buckling configurations recorded.

设计实验，对铝合金圆柱横向力学载荷作用屈曲响应开展研究测量了壳体屈曲的临界载荷记录了屈曲形态

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• Load was exerted on the 16 interior nodes by displacement control method, in this way the post buckling behavior of this structure was obtained.

试验结构内部16个节点采用位移控制法进行比例加载，得到了结构屈曲性能

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• On this basis, the influences of corrugation configuration, the overall dimensions and steel thickness of corrugated webs to ultimate shear bucking load and buckling mode are investigated.

基础上研究了波纹形状、腹板整体外形尺寸腹板厚度等因素波纹钢腹板剪切屈曲极限荷载屈曲模态的影响

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• Under the axial step load case, dynamic load tends to inspire a higher order buckling mode .

载荷情况下动力载荷可能激发比静力载荷更高阶的屈曲模态。

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• The critical load and critical stress were deduced by means of energy principle and catastrophe theory based on these conditions, and the buckling model of pillar was presented.

此基础，应用能量原理突变理论推导矿柱临界载荷及临界应力提出矿柱发生失稳屈曲模型

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• Considering the buckling failure modes of ship deck, a method of assessing the reliability of ship structure under slamming load was proposed.

针对甲板结构受压屈曲失效模式提出一种砰击载荷作用舰船结构可靠性分析方法

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• Considering the buckling failure modes of ship deck, a method of assessing the reliability of ship structure under slamming load was proposed.

针对甲板结构受压屈曲失效模式提出一种砰击载荷作用舰船结构可靠性分析方法

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