本文探讨了圆管结构相贯节点设计中的若干问题。
Some problems in the design of circular tubular joints are discussed in this paper.
钢管相贯节点是钢管结构中最主要的节点形式之一。
A steel tubular intersecting joint is one of the main joints in steel tube structures.
随后确定了影响zyy型圆钢管相贯节点刚度的几何参数。
Then the geometry which affected the circular tubular ZYY-joint rigidity is identified.
对27个主方支圆间隙K型相贯节点进行了非线性有限元分析。
Nonlinear finite element analysis, including 27 gap K-joints with square and circular hollow sections, has been carried out.
空间相贯节点由于美观、力学性能优异等优点，在工程中大量使用。
Space intersecting joint is widely used in project due to its fine appearance and mechanics performance.
实验表明，采用相贯节点的钢管结构，其滞回特性取决于节点的滞回行为。
It is indicated that the hysteretic properties of pipe truss mainly relies on the hysteretic behavior of joints which are unstiffened connected types.
针对相贯节点试验中支管屈曲的破坏形式，提出了焊接热损伤的概念和机理。
For the local buckling failure of brace tube in tubular K-joint experiment, the concept and principle of welding thermo-harm is presented.
直接焊接管结构设计的关键问题是直接焊接节点，即相贯节点的极限承载力计算。
The key problem in the designing of this structure is the ultimate bearing capacity of the directly welded joints(also called simple joints).
由于实际工程中，钢管相贯节点的尺寸一般比较大，足尺试验研究则更具研究意义。
Because the size of tubular joints used in practice engineering is always large, the full scale tests study is of significance much more.
设计中还采用了多种形式的相贯节点，包括圆管正偏心的间隙接头及方管的搭接接头。
Varied types of intersecting joints, including gap joint with positive eccentricity for the circular tubes and overlap joint for the square tubes, were also adopted in the design.
本文对大直径空间相贯节点的分析方法和试验结果，对于类似工程结构具有重要参考价。
Finally, the results from this thesis can provide some references to other similar projects based on the analysis method and test for the big dimension tubular space steel joints.
本文首先对钢管相贯节点的研究情况进行了系统的总结与分析，详细介绍了试验和理论研究情况。
To begin with, systemic summarizations and analysis are given about the static performances of steel tubular joints.
根据X型圆管相贯节点的破坏模式，总结了相对应的三种分析模型环向模型、冲剪模型和剪切模型。
Based on the breakage mode of circular tubular X-joints, three analytic models are summarized: round-direction model, clash-cut model and cut model.
针对贵阳奥体中心主体育场罩篷空间钢管桁架屋盖中的上、下弦相贯节点，进行了足尺节点破坏试验。
The full-scale joints were made to conduct collapse test for the top and bottom chords of the tubular space truss of the roof, which is based on the main stadium of Guiyang Olympic Sports Center.
对KT型圆钢管空间相贯节点的极限承载力进行了非线性有限元分析，揭示了KT型相贯节点的受力性能。
A nonlinear finite-element analysis of multiplanar circular tubular KT-joints was carried out in this paper, and the behavior of the tubular KT-joints was described.
但现在国内外对一些在工程中常见的KT型和KX型空间相贯节点的研究还很少，给这类节点的推广和应用带来的不便。
But now, the research on the multiplanar KX -, KT-joints that have been used in many projects is little, which brings some inconvenience to the extension and application for this type of joints.
但现在国内外对一些在工程中常见的KT型和KX型空间相贯节点的研究还很少，给这类节点的推广和应用带来的不便。
But now, the research on the multiplanar KX -, KT-joints that have been used in many projects is little, which brings some inconvenience to the extension and application for this type of joints.
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