Zigzag giant column frame-core tube structure system adopting bidirectional dense rib floor system
A technology of densely ribbed floor and core tube, applied in the direction of load-bearing elongated structural members, special structures, structural elements, etc., can solve the problems of large concentrated horizontal force of frame columns and weak structural system, and achieve steel bar distribution The effects of dispersion and uniformity, material saving, and force concentration
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Embodiment 1
[0052] like figure 1 As shown, the present invention discloses a zigzag giant column frame-core tube structure system using a two-way dense rib floor, including: an outer frame, a core tube 4, and each floor is connected between the outer frame and the core tube 4 's floor;
[0053] The outer frame is provided with at least one turning floor F. For each turning floor F, at least one frame column 1 of the outer frame is provided with a turning node 1A at the floor position of the turning floor F. The turning node 1A is the intersection of the straight column section 1-1 of the frame column 1 and the inclined column section 1-2 or the intersection of the two non-coaxial inclined column sections 1-2 of the frame column 1, the straight column The section 1-1 extends in the vertical direction, and the extension direction of the inclined column section 1-2 is not parallel to the vertical direction; thus, the outer frame forms the outward convex or concave effect of the building out...
Embodiment 3
[0073] On the basis of the above-mentioned Embodiment 1 or Embodiment 2, this Embodiment 3 also adopts the following preferred embodiments:
[0074] like Image 6 and Figure 7 As shown in the figure, for the turning node 1A where the concentrated horizontal force is the outward tensile force, that is, the frame column 1 is convex at the turning node 1A, on the basis that the conventional reinforcement has met the tensile bearing capacity requirements, The turning node 1A and the frame beam 2 connected to it are respectively denoted as a convex turning node and a convex frame beam. The height of the convex turning node is anchored between the frame column 1 and the core tube 4 and embedded in the floor slab. 3-1 radial plate inner prestressed steel bar 3-4, the outer convex frame beam is provided with frame columns 1 anchored at both ends of the outer convex frame beam and embedded in the floor plate 3-1 and the frame beam 2 respectively The inner prestressed steel bars 3-5 ...
Embodiment 4
[0077] On the basis of any one of the above-mentioned Embodiments 1 to 3, this Embodiment 4 also adopts the following preferred implementation manners:
[0078] like Figure 8 As shown, the turning node 1A whose concentrated horizontal force is the outward pulling force is denoted as a convex turning node; the outer ring shear wall 4-1 of the core tube 4 corresponds to each of the outwardly convex turning nodes There is a circumferentially closed hidden beam 4-2, the beam width of the circumferentially closed hidden beam 4-2 is the same as the wall thickness of the outer ring shear wall 4-1, and the width of the circumferentially closed hidden beam 4-2 is the same. The top surface is flush with the top surface of the bidirectional dense rib floor 3 connected to the corresponding convex turning node. Therefore, the outer ring shear wall 4-1 of the core tube 4 can form a closed tension ring, and the concentrated horizontal force at the outer convex turning node can be effective...
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