Outer frame inner plate column core tube structure

Abstract

The utility model discloses an outer frame inner plate column core tube structure, which comprises a core tube, at least one group of outer frames connected with the core tube are arranged on the periphery of the core tube, each outer frame comprises a peripheral column body, a folding beam and a boundary beam, the peripheral column body is connected with the folding beam and / or the boundary beam to form a whole frame, and the outer frame is connected with the folding beam and / or the boundary beam. A flat slab is arranged in a space defined by the peripheral column body, the folding beams and the edge beams; the flat slab comprises hidden beams and floor slabs, the hidden beams linearly extend in the direction where the peripheral column bodies are located and are connected with the peripheral column bodies, middle columns are arranged in the flat slab, and the middle columns are inserted into the flat slab and fixedly connected with the hidden beams. Compared with the prior art, no visible beams exist indoors, the clear height of floors is guaranteed, visual impact of rooms is increased, a large space formed by the outer frame can facilitate flexible partition of residents, meanwhile, the sound insulation effect between the upper floors and the lower floors is good, and the comfort of the residence is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of construction engineering technology, in particular to a kind of outer frame inner board column core tube structure. BACKGROUND

[0002] With the development of society and economy, the contradiction between urban construction and land use is increasingly prominent, and residential buildings are developing towards super high-rise direction. Most of the existing high-rise residential buildings adopt shear wall structure. Due to the small distance between shear walls, the building layout is not flexible enough, which limits the layout and reconstruction of indoor space. The thickness of the shear wall structure floor is also small, and the sound insulation effect is not good, which is difficult to meet the needs of users for large-scale, large space, high comfort, flexible interior decoration. Moreover, the existing high-rise residential structure also has the problems of poor building facade performance, small space and low space utilization rate. SUMMARY

[0003] The utility model aims to provide a kind of outer frame inner board column core tube structure to solve the problems of prior art.

[0004] To solve the above problems, the utility model adopts the following technical scheme: a kind of outer frame inner board column core tube structure, including core tube, the periphery of the core tube is provided with at least a group of outer frame connected with the core tube, the outer frame includes peripheral column body, folded beam, boundary beam, peripheral column body is connected folded beam and / or boundary beam, to form a frame whole, beam-free floor is provided in the space surrounded by peripheral column body, folded beam and boundary beam;The beam-free floor includes hidden beam and floor slab, the hidden beam extends linearly towards the direction of peripheral column body and is connected with peripheral column body, a middle column is provided in the beam-free floor, and the middle column is inserted into the beam-free floor and connected and fixed with the hidden beam.

[0005] Further, a column-in type steel is provided in the middle column.

[0006] Further, a shear frame structure composed of type steel is provided on the middle column, and the shear frame structure is connected with the hidden beam and the column-in type steel.

[0007] Further, the shear frame structure is inserted into the beam-free floor by at least 1m.

[0008] Further, the type steel of the shear frame structure is arranged around the middle column.

[0009] Further, the hidden beam adopts stirrup structure within the column width range of the middle column, and adopts tensioning structure outside the column width range of the middle column.

[0010] Further, when the thickness of the beam-free floor exceeds 250mm, a post-tensioned prestressed floor slab is used.

[0011] Compared with the prior art, the utility model discloses a core tube structure of outer frame inner board column, and the core tube structure comprises a core tube 4, the periphery of the core tube 4 is provided with at least one group of outer frames 9 connected with the core tube 4, the mutual superposition and fixation between each layer core tube 4 and outer frame 9 are prior art, and no longer be repeated here, the core tube 4 structure adopts prior art in the utility model, and the improvement is that the outer frame 9 comprises a peripheral column body 1, a folded beam 3 and a side beam 2, the peripheral column body 1 is connected with the folded beam 3 and / or the side beam 2 to form a frame whole, a beamless floor 10 is arranged in the space surrounded by the peripheral column body 1, the folded beam 3 and the side beam 2, the beamless floor 10 comprises a hidden beam 7 and a floor 8, the floor 8 is arranged at the position outside the hidden beam 7 and is connected and fixed with the hidden beam 7, the hidden beam 7 extends linearly towards the direction of the peripheral column body 1 and is connected with the peripheral column body 1, a middle column 6 is arranged in the column plate 10, the middle column 6 is inserted into the beamless floor 10 and is connected and fixed with the hidden beam 7. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the plane view of the utility model.

[0013] Figure 2 It is the three-dimensional schematic view of the utility model.

[0014] Figure 3 It is Figure 1 the A-A section view in the figure.

[0015] Figure 4 It is the third column body and shear frame structure connection schematic view.

[0016] Figure 5 It is Figure 4 the B-B section view in the figure. PREFERRED EMBODIMENT

[0017] The utility model will be further explained in detail in connection with the drawings and examples.

[0018] As Figure 1 and Figure 2 shown, the utility model discloses a kind of outer frame inner board column core tube structure, including core tube 4, its periphery is provided with at least one group with core tube 4 connection outer frame 9, here with one layer as example to explain, the mutual superposition and fixation between each layer core tube 4 and outer frame 9 are prior art, not do here, the core tube 4 structure adopts prior art in the utility model, and the improvement is that outer frame 9 includes peripheral column body 1, folded beam 3, side beam 2, peripheral column body 1 is connected folded beam 3 and / or side beam 2, to form a frame whole, beamless floor 10 is arranged in the space surrounded by peripheral column body 1, folded beam 3 and side beam 2, beamless floor 10 includes hidden beam 7 and floor 8, floor 8 is arranged at the position outside hidden beam 7, and is connected and fixed with hidden beam 7, hidden beam 7 extends linearly towards the direction of peripheral column body 1 and is connected with peripheral column body 1, middle column 6 is arranged in column plate 10, middle column 6 is inserted into beamless floor 10 and is connected and fixed with hidden beam 7.

[0019] As Figure 1 and Figure 2As shown, in the present example, the peripheral column 1 is arranged at the end of the outer frame 9 away from the core tube 4, between the folded beam 3 and the edge beam 2, and at the position where the edge beam 2 is connected to the core tube 4, of course, the peripheral column 1 in each layer can be optimized or deleted according to the structural rigidity requirement, specifically, the folded beam 3 is arranged at the corner or end (i.e. the end away from the core tube 4) of the outer frame 9, and the edge beam 2 is arranged on both sides and connected to the peripheral column 1 at the corresponding position, and the position of the middle column 6 is close to the center position of the outer frame 9.

[0020] As shown in the figure, Figures 3 to 5 In order to improve the punching shear capacity and seismic ductility of the plate column joint, a shear frame structure 12 composed of a profile steel is arranged on the middle column 6, the shear frame structure 12 is connected with the concealed beam 10 and the column inner profile steel 11, in order to ensure the safety of the structure, the shear frame structure 12 is inserted into the girder-free floor 10 by at least 1m, and the profile steel of the shear frame structure 12 is connected and fixed with the column inner profile steel 11 by welding.

[0021] As shown in the figure, Figure 4 As can be seen, the profile steel of the shear frame structure 12 is arranged around the middle column 6.

[0022] In the utility model, the upper and lower reinforcement is arranged in the concealed beam 7, the concealed beam 7 in the column width range of the middle column 6 adopts a stirrup structure, and the upper and lower reinforcement of the concealed beam 7 is connected through the stirrup, and the concealed beam 7 outside the column width range of the middle column 6 is connected through the reinforcement structure. The reinforcement of the girder-free floor 10 outside the range of the concealed beam 7 should be strengthened according to the national standard.

[0023] When the thickness of the floor slab 8 is within 250mm, when it exceeds 250mm, a post-tensioned prestressed floor slab is adopted, the conventional exposed beam can not be arranged in the building room, and the indoor height is maximally reduced.

[0024] The utility model has the advantages of the following beneficial effects:

[0025] The structure shear wall is arranged less, the interior of the house type is free from shear wall, only a small amount of columns are arranged, there is no visible beam in the room, the net height of the floor is ensured, the visual impact of the room is increased, the large space formed by the outer frame can facilitate the flexible partition or decoration of the occupants, the sound insulation effect between the upper and lower occupants is good, and the overall structure modeling can be plate type, point type or square type according to the building and functional requirements, and the actual appearance effect is very prominent.

Claims

1. An outer frame inner plate column core tube structure, comprising a core tube (4), characterized in that: The core tube (4) is provided with at least one set of outer frames (9) connected to the core tube (4). The outer frame (9) includes outer columns (1), folded beams (3), and side beams (2). The outer columns (1) are connected to the folded beams (3) and / or the side beams (2) to form a frame as a whole. A flat slab (10) is provided in the space enclosed by the outer columns (1), folded beams (3), and side beams (2). The flat slab (10) includes hidden beams (7) and floor slabs (8). The hidden beams (7) extend in a straight line in the direction of the outer columns (1) and are connected to the outer columns (1). A central column (6) is provided in the flat slab (10). The central column (6) is inserted into the flat slab (10) and is connected and fixed to the hidden beams (7).

2. The outer frame inner plate-column core tube structure according to claim 1, characterized in that: The central column (6) is provided with an internal steel section (11).

3. The outer frame inner plate-column core tube structure according to claim 2, characterized in that: The central column (6) is provided with a shear frame structure (12) made of steel sections, which is connected to the hidden beam (7) and the steel sections (11) inside the column.

4. The outer frame inner plate-column core tube structure according to claim 3, characterized in that: The shear frame structure (12) is inserted into the flat slab (10) by at least 1m.

5. The outer frame inner plate-column core tube structure according to claim 3 or 4, characterized in that: The steel profiles of the shear frame structure (12) are arranged around the central column (6).

6. The outer frame inner plate-column core tube structure according to claim 3 or 4, characterized in that: The hidden beam (7) adopts a stirrup structure within the width of the middle column (6) and a tie structure outside the width of the middle column (6).

7. The outer frame inner plate-column core tube structure according to claim 1, characterized in that: When the thickness of the flat slab (10) exceeds 250mm, a post-tensioned prestressed slab shall be used.

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