连接角钢

As the crane is static the mast sections are directly fishplate onto the 4 fixing angles corresponding to the mast type used.

由于该起重机是固定式的，其塔节与四根固定角钢呈鱼尾形连接，而角钢的形式又与塔身类型相对应。

The main results of this study includes: 1 The stiffness and moment capacity of minor axis connected joints are related to displacement and failure mode of connection components.

弱轴顶底角钢连接作为一种典型的半刚性连接，具备良好的变形能力、一定的弯矩承载能力和钢材屈服后的塑性强化能力。

Moment-rotation relationship of semi-rigid beam-to-column minor axis connections was researched through experimental tests, theoretical analysis and finite element analysis in this study.

本文用试验、力学理论分析和有限元分析三种方法对钢框架梁柱弱轴顶底角钢连接的抗弯性能作了研究，主要工作包括： 1。

Through pseudo-static test s of minor axis semi-rigid connections with angles,mechanical performance and damage mechanism on two types of minor axis semi-rigid connections with top and seat angles were analyzed systematically.

通过顶底角钢与H型钢柱弱轴连接节点的伪静力试验，分析了两种弱轴顶底角钢连接节点在循环荷载作用下的受力性能和破坏机理。

Based on classical theory of mechanics, analytical procedure was developed to predict initial stiffness, plastic stiffness and plastic ultimate moment capacity of top-and-seat angle minor axis connections.

根据本文的理论计算结果，使用三参数幂函数和指数函数两种数学模型模拟了钢框架梁柱弱轴顶底角钢连接的弯矩—转角曲线，理论分析得出的数学模型和试验结果吻合较好。

Location of the rotation center and contact frication state of connection components were another objective of this study. FEM analysis fit well with test results.

有限元参数分析表明，在影响角钢连接刚度和承载力的诸多因素中，角钢的厚度、梁的高度、螺栓的位置和柱腹板(或本文新型连接的T形件翼缘)的宽厚比、螺栓直径和预拉力大小影响较明显，其中角钢厚度影响最大。

The connections studied herein were top-and-seat angle connection, including minor axis web connection and two type new connections designed according to the force-displacement character of minor axis joints.

进行了三种类型的梁柱弱轴角钢连接共9个试件的单调加载试验，其中两类试验试件采用本文根据梁柱弱轴连接节点受力变形特点设计的新型连接形式。

After verification of FEM, 45 species of 15 series are computed. The major parameters including slippage coefficients, pretensions forces, dimensions of angles, arrangement of bolts, connection method among angle, beam web, column flange, and so on are studied. Some important conclusions are drawn.

主要研究了摩擦系数、螺栓预拉力、螺栓线到与柱连接角钢肢背的距离、螺栓直径及级别、梁长、螺栓排列布置、梁高、柱翼缘厚度、角钢厚度、角钢长度、梁腹板只与角钢肢尖相焊接、钢材强度、角钢与梁柱均栓接、角钢与柱焊接与梁栓接、角钢与梁柱均焊接等参数对腹板双角钢梁柱连接滞回性能的影响，得出了一系列重要的结论。

After verification of FEM, 45 species of 15 series are computed. The major parameters including slippage coefficients, pretensions forces, dimensions of angles, arrangement of bolts, connection method among angle, beam web, column flange, and so on are studied. Some important conclusions are drawn.At last, Advices for seismic design based on tests and FEM analysis are presented at last. The study is rather comprehensive and systematic, and the conclusions. can be useful for revising design code, guiding design of engineering, and provide good basis for further to study behavior of shear beam-to-column connections.

主要研究了摩擦系数、螺栓预拉力、螺栓线到与柱连接角钢肢背的距离、螺栓直径及级别、梁长、螺栓排列布置、梁高、柱翼缘厚度、角钢厚度、角钢长度、梁腹板只与角钢肢尖相焊接、钢材强度、角钢与梁柱均栓接、角钢与柱焊接与梁栓接、角钢与梁柱均焊接等参数对腹板双角钢梁柱连接滞回性能的影响，得出了一系列重要的结论。

In this thesis a two-dimension nonlinear finite element program for steel frame with semi-rigid connections compiled successfully. This program considered connection geometrical nonlinear and the influence of the shearing deformation.

本文在参照国内外大量文献资料的基础上，编制了有限元计算程序，针对双腹板、顶底角钢半刚性连接节点和刚性连接钢框架做了对比分析。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了