本发明公开了薄壁钢管再生混合柱与钢筋混凝土梁的节点及其施工方法。
The invention discloses a node for a thin-wall steel tube regenerative mixed column and a reinforced concrete beam and a construction method thereof.
由于内部混凝土的存在，大大提高了薄壁钢管的临界屈曲应力和径厚比。
It is found that the critical local buckling stress and diameter to thickness ratio of circular steel tube are considerably increased by the support of filled concrete.
用澳大利亚标准AS4100- 1900计算薄壁钢管的强度最为准确。
The Australian standard AS4100-1900 is the most accurate to calculate the thin wall steel tube strength.
但是薄壁钢管在轴向荷载下容易发生局部屈曲，尤其是截面形状为方形或矩形时。
However, the thin-walled steel tubes are prone to local buckling under axial pressure, especially for the square and rectangular cross-section shape.
为改善薄壁钢管混凝土柱的力学性能，提出了设冷弯直肋方形薄壁钢管混凝土柱的新型结构形式。
New type of CFTST columns with cold-formed longitudinal straight ribs is put forward to improve the mechanical capability of columns of concrete-filled thin-walled steel tube (CFTST).
在此基础上，把薄壁钢管纵向单元作为支承在弹性地基上的压杆，推导出钢管出现局部屈曲的临界应力和临界径厚比。
An axially compressive thin-walled steel element on elastic foundation is adopted to deduce the critical stress and critical diameter to thickness ratio for circular steel tube in local buckling.
在采用了多层容器结构和薄壁钢管能量吸收装置等措施后，容器安全地承受了爆炸装置形成的弹片和冲击波的破坏作用。
With the double layered structure and the thin wall cylinder energy absorbing system, the explosion wave and high speed fragments were successfully sustained within the container.
最后提出，为了获得均匀宽度的圆周切缝，对于薄壁小管径无缝钢管激光切缝，应采取变工艺参数的措施。
At last, the authors regard that variable parameters are necessary for people to adopt in order to obtain a uniform kerf width for thin seamless steel pipe with a small diameter.
用非开挖方式向钢管道内穿插薄壁聚乙烯内衬是目前可选择的恢复旧燃气管道使用功能的最好方法。
It is a best method selected possibly nowadays for recovery of function of an old gas pipeline to insert a thin-walled polyethylene lining into a steel pipeline by the way of non-excavation.
通过对薄壁方钢管的优化设计，为开合屋盖吸能元件的设计提供参考；
Through the optimization of thin-walled square stell tube , the research can be referred for the design of the energy absorber and the further study .
既适用于薄壁不锈钢管道的连接，也适用于不锈钢装饰管的连接。
The thin wall stainless steel pipe fitting is not only suitable for the connection of thin wall stainless steel pipelines, but also suitable for the connection of stainless steel decorative pipes.
最后利用该测试装置对69111不锈钢管件进行了挤胀实验，获得了薄壁管件的周向力学性能数据。
Finally, the testing device was applied to expand a hole of tube specimen made of 69111 stainless steel and circumferential mechanics performance data were obtained.
最后利用该测试装置对69111不锈钢管件进行了挤胀实验，获得了薄壁管件的周向力学性能数据。
Finally, the testing device was applied to expand a hole of tube specimen made of 69111 stainless steel and circumferential mechanics performance data were obtained.
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