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钢结构住宅设计中的节点和支撑构造要求

发布时间:2015-11-2 10:00:29 浏览次数:527

1.支撑与钢管砼连接时,不应将节点板焊在钢管管壁上,以防管壁拉开。


2.节点设计应符合抗震规范和《高钢规程》的要求。


3.12层以下可以不设地下室,但此时柱脚的计算反力要加大,严格说来要做到承受大震时的反力而不破坏。6、7度区允许采用外包式柱脚,但8度及以上时应采用埋入式柱脚。不允许用铰接柱脚。


4.翼缘的坡口全熔透焊缝,要求用一级焊缝以确保焊接质量。有的标准规定压力容器才用一级焊缝。这是一种误解。压力容器很重要,梁翼缘与柱连接同样很重要,不能用二级。


5.7层以上时,框架-支撑体系中的框架梁柱应刚性连接。


6.不应在钢管支撑内灌砼,对抗震不利。


7.柱通过小悬臂与梁拼接,可以绕过梁柱直接连接的构造困难,这是一个好办法。此时梁拼接大多采用翼缘焊接腹板拼接,也可采用全截面螺栓连接。在以上拼接中,腹板拼接要考虑弯矩。


8.梁与钢管砼柱的刚性连接,现在用外加劲肋和内隔板的都有,都是可以的。但要注意钢管壁板与隔板或环板的厚度匹配。



1 when supporting the steel tube concrete connection, the joint shall not be welded on the wall of the tube wall, and the tube wall is opened.
2 joint design should comply with seismic code and "high steel specification" requirements.
3.12 layer below could not be located in the basement, but at the moment, the calculation of column base reaction force to increase, strictly speaking, to do under large earthquake of the reaction and does not destroy. 6, 7 degree area allowed the use of column foot, but 8 degrees and above should be used when the embedded column base. Not allowed to use the hinged column.
4 flange groove full penetration welds, require the use of a weld to ensure the welding quality. Some standard provisions of the pressure vessel to use a grade weld. This is a misunderstanding. The pressure vessel is very important, beam flange and column connection is also very important, can not use two.
When the 5.7 layer is above, the frame beam column should be rigid connected in the frame support system.
6 should not be filled in the steel tube supporting concrete, the earthquake resistance.
It is a good method that the 7 column can be directly connected with the beam column by the small cantilever and the beam is connected with the beam. At this point, the use of beam splicing flange welded joints, but also the use of full - Section bolt connection. In the above splicing, the bending moment of the web is considered.
8 beam and the rigid connection of the steel pipe concrete column, and now with the addition of the rib and the inner diaphragm, are all right. However, we should pay attention to the thickness of the tube wall and the plate or the ring plate.



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