A shelving connection method between inclined profiled steel plate and upright steel beam
A technology of profiled steel plate and connection method, which is applied in the direction of construction and building structure, and can solve the problems that bending cannot be realized, complete attachment cannot be realized, studs are difficult to weld, etc.
Active Publication Date: 2016-08-17
NANJING YANGTZE RIVER URBAN AGCHITECTURAL DESIGN
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Problems solved by technology
At present, the application technology of profiled steel composite floors in flat floors is quite mature, and it is also widely used in single-curved floors; but for the application of double-curved floors, it is almost zero in the world. The profiled steel plate will face two difficulties when forming a double-curved surface: one is that due to the existence of the ribs, the bending in the direction perpendicular to the ribs cannot be realized (the direction parallel to the ribs can be bent by bending the plate wave), and the other is to use the bending When the curved surface is simulated on the surface, after the profiled steel plate placed obliquely is connected with the shelving of the steel beam placed upright, there is a gap between the two, which does not fit perfectly, such as image 3 As shown, the direction of the arrow is along the direction of the convex rib, and the studs are difficult to weld
In response to the second difficulty, we have carried out some field tests by means of existing technologies, such as using grouting materials or on-site cold work to make it fit, however, it is still impossible to achieve the complete fit of the two
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[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific preferred embodiments.
[0021] Such as figure 2 As shown, the profiled steel plate 2 includes several convex ribs 4 and several bottom panels 5 arranged alternately, and each convex rib 4 includes a top panel 8 and two side walls 9 arranged on both sides of the top panel 8 .
[0022] In the long-span rigid frame structure, such as the top surface, the designer usually adopts a hyperboloid type, and then uses a composite floor slab of profiled steel plate 2. In the structural arrangement, all column top elevations fall within the hyperboloid of the roof, and then according to these determined column vertices, several vertical steel beams 1 are arranged at a certain interval, and profiled steel plates 2 are laid on these vertical beams. on the steel beam 1. Because the initial elevations of the two ends of the steel beam 1 are different, the profi...
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The invention discloses a placing and connecting method of an obliquely-placed profiled steel sheet and an uprightly-placed steel beam. The placing and connecting method comprises the following steps: slotting a convex rib of the obliquely-placed profiled steel sheet, bending and fixing the profiled steel sheet by using a stud, reinforcing a wave crest incision and carrying out heavy object loading test. The placing and connecting method has the benefits that after the method of slotting firstly and then reinforcement is adopted, and the convex rib is slotted, the profiled steel plate is easier to bend, so that the obliquely-placed profiled steel sheet can be completely fitted with the uprightly-placed steel beam; through reinforcing the wave crest incision, the bearing capacity of the slotted profiled steel plate is not affected, so that the requirement of stimulating a curved surface state can be met, therefore, the profiled steel plate can be applied to a curved surface composite floor slab.
Description
technical field [0001] The invention relates to a design and construction method of a composite floor slab of profiled steel plates, in particular to a shelving connection method of profiled steel plates placed obliquely and steel beams placed upright. Background technique [0002] With the development of society, people have higher and higher requirements for architectural types, from simple straight lines and planes to curves, single curved surfaces, and hyperboloids. In some long-span conference buildings and exhibition buildings, architects' pursuit of roof types is more prominent. At present, the application technology of profiled steel composite floors in flat floors is quite mature, and it is also widely used in single-curved floors; but for the application of double-curved floors, it is almost zero in the world. The profiled steel plate will face two difficulties when forming a double-curved surface: one is that due to the existence of the ribs, the bending in the d...
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IPC IPC(8): E04B1/38
Inventor 魏大平陈大好
Owner NANJING YANGTZE RIVER URBAN AGCHITECTURAL DESIGN