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Cold-formed C-beam machine characteristics

Source: Advance Press Machine  Release date:2017-12-21 15:47 Click: Times

 Cold-formed C-beam machine characteristics

 
(1) All the specimens show obvious local buckling before global buckling occurs. The failure modes are both local and global buckling, and the final overall damage is the buckling failure around the weak axis.
 
(2) Under the condition of constant spacing and thickness of joint plates, the ultimate bearing capacity of specimens increases with the gradual increase of steel profiles. With the gradual increase of flange width to thickness ratio, The ultimate bearing capacity shows a significant increase.
 
(3) The ultimate bearing capacity of the specimen increases more obviously when the thickness of the joint plate is increased from 4mm to 5mm under the condition that the distance between the joint plate and the C steel model (ie, the flange width to thickness ratio) is constant. When the thickness of the joint plate increases from 5mm increased to 6mm, the ultimate bearing capacity of the specimen increases very small.
 
(4) The ultimate bearing capacity of the specimens increases with the decrease of the spacing of the joint plates when the spacing of the joint plates increases from 440mm to 460mm under the condition that the C steel model (ie, the flange width to thickness ratio) and the thickness of the joint plate are constant Increase.