Basement post-cast strip back-to-top structure

Abstract

The utility model discloses a back-to-top structure of a basement post-cast strip. The back-to-top structure comprises hidden beams and constructional columns, wherein the hidden beams are arranged in upper floor slabs on two sides of the basement post-cast strip, and the constructional columns are distributed between the upper floor slabs at the hidden beams on the two sides of the basement post-cast strip and lower floor slabs of the basement at equal intervals in the length direction of the basement post-cast strip. According to the utility model, the transfer of electromechanical engineering materials and the transportation of other construction materials are facilitated, and the alternative construction of basement engineering and electromechanical engineering is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering, in particular to a basement post-cast belt top-return structure. Background Art

[0002] Please refer to Figure 1 In the construction industry, the back-up structure 100 of the basement post-casting strip is usually in the form of independent support in the back-casting strip, and the width of the independent support is not less than 2 spans, wherein the independent support is the back-casting strip support frame 160, which is arranged in the back-casting strip 130 area between the upper floor 110 and the lower floor 120, and is connected to the formwork support frame 190 of the surrounding beam slab by a fastener-type scaffolding 170 to form a whole, and the back-casting strip support frame 160 is retained when the formwork support frame 190 of the cast floor slab is removed. In order to achieve effective back-up support for the floor slab at the back-casting strip 130, the spacing of the back-casting strip support frame 160 is arranged compactly, resulting in a narrow channel formed by the spacing of the back-casting strip support frame 160, which makes it difficult for the material transportation of the electromechanical installation project and other underground construction to pass through the channel of the back-casting strip support frame 160, causing obstacles to the transportation of materials and is not conducive to the interlaced construction of the electromechanical project in the basement. However, the material transfer port needs to be reserved for the basement formwork support frame, which increases the danger source of the project and makes it difficult to provide effective top-back support for the post-casting strip. In addition, when the post-casting strip support frame 160 is used to independently support the post-casting strip, it is necessary to cross the post-casting strip of the lower floor slab 120 with a channel steel or other pad 180, so that the post-casting strip support frame 160 is supported on the pad 180. The disadvantage is that the connection between the post-casting strip support frame 160 and the pad 180 is unreliable, which causes the post-casting strip support frame 160 to have a safety problem of easy slipping. Utility Model Content

[0003] The utility model aims to provide a basement post-cast belt top-return structure to solve the problem that the passage in the post-cast belt support frame is narrow, which makes it difficult to pass and transport materials.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is: a basement post-cast strip return top structure, including hidden beams arranged in the upper floor slabs on both sides of the basement post-cast strip, and structural columns distributed in rows and columns between the upper floor slabs and the lower floor slabs of the basement at the hidden beams on both sides of the basement post-cast strip, symmetrically arranged at equal intervals along the length direction of the basement post-cast strip.

[0005] Furthermore, in the basement post-cast roof return structure provided by the utility model, the hidden beam is a hidden beam steel cage cast in the concrete of the upper floor slab and tied to the floor slab steel mesh of the upper floor slab.

[0006] Furthermore, in the basement post-casting top-return structure provided by the utility model, the hidden beam reinforcement cage is composed of four rectangularly distributed reinforcements and a plurality of stirrups thereon.

[0007] Furthermore, in the basement post-casting top-return structure provided by the utility model, the diameter of the reinforcement is 20 mm, and the diameter of the stirrup is 8 mm.

[0008] Furthermore, in the basement post-cast strip return top structure provided by the utility model, the hidden beam is arranged 200 mm inward from the end surface of the upper floor slab on both sides of the basement post-cast strip, and the width of the hidden beam is 300 mm.

[0009] Furthermore, the utility model provides a basement post-cast roof return structure, wherein the structural columns are reinforced concrete columns or plain concrete columns.

[0010] Furthermore, in the basement post-cast roof return structure provided by the utility model, the cross-sectional size of the structural column is 200mm×200mm.

[0011] Furthermore, in the basement post-cast zone top-return structure provided by the utility model, the spacing distance between the structural columns is 4000mm-6000mm.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The basement backfill structure provided by the utility model is provided with structural columns distributed in rows and columns between the upper floor slabs and the lower floor slabs of the basement backfill strips at equal intervals and symmetrically arranged in the length direction of the basement backfill strips, and hidden beams are added in the upper floor slabs at the nodes between the structural columns and the upper floor slabs to improve the supporting strength of the structural columns and the upper floor slabs, thereby providing effective backfill support for the backfill strips. Since the spacing distribution between adjacent structural columns is greater than the spacing arrangement of traditional backfill strip support frames, a wider channel is formed between the structural columns, so that engineering machinery or manual handling can pass smoothly and unimpeded in the wider channel formed between the structural columns, which facilitates the transportation of electromechanical engineering materials and other construction materials, and enables the construction of basement engineering and electromechanical engineering to be interspersed.

[0014] The basement post-casting belt return top structure provided by the utility model does not need to reserve a material transfer port at the formwork support frame, thus reducing the risk source of the basement project and ensuring the safe construction of the basement.

[0015] The basement post-cast strip top recovery structure provided by the utility model adopts structural columns and hidden beams to replace traditional post-cast strip support frames, and the lower ends of the structural columns are directly constructed on the lower floor slabs on both sides of the post-cast strips of the lower floor slab. There is no need to cross the floor slab post-cast strips at the lower ends of the traditional post-cast strip support frames, thereby ensuring the reliability of the connection between the structural columns and the lower floor slab, avoiding the safety problem of the post-cast strip support frames and the pads slipping, thereby ensuring the reliability of the basement post-cast strip dome structure and ensuring construction safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the elevation structure of the existing basement post-cast belt return top structure;

[0017] Figure 2 It is a schematic elevational structural diagram of a basement post-casting belt top-return structure according to an embodiment of the present invention;

[0018] Figure 3 It is a schematic diagram of the plan structure of the basement post-casting belt top-return structure according to an embodiment of the present invention;

[0019] Figure 4 yes Figure 2 Schematic diagram of the elevation structure of the upper floor slab and the hidden beams therein;

[0020] Figure 5 yes Figure 2 This is an enlarged cross-section of a structural column;

[0021] As shown in the figure:

[0022] 100. Basement backfill structure;

[0023] 110. Upper floor;

[0024] 120, lower floor;

[0025] 130. Post-casting strip;

[0026] 140, hidden beam, 141, reinforcement, 142, stirrups;

[0027] 150. Structural column;

[0028] 160. Post-casting belt support frame;

[0029] 170. Fastener type steel pipe;

[0030] 180, channel steel;

[0031] 190. Upper floor slab formwork support frame. DETAILED DESCRIPTION

[0032] The utility model is described in detail below in conjunction with the accompanying drawings: According to the following description, the advantages and features of the utility model will be more clearly understood. It should be noted that the accompanying drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the utility model.

[0033] Please refer to Figures 2 to 3The embodiment of the utility model provides a basement backfill structure 100, including hidden beams 140 arranged in the upper floor slab 110 on both sides of the basement backfill 130, and structural columns 150 arranged in rows and columns between the upper floor slab 110 and the basement lower floor slab 120 at the hidden beams 140 on both sides of the basement backfill 130 at equal intervals along the length direction of the basement backfill 130. Please refer to Figure 3 When the post-casting strip 130 is in the longitudinal direction, the structural columns 150 are distributed in two rows and multiple columns on both sides of the length direction of the post-casting strip 130; when the post-casting strip 130 is in the transverse direction, the structural columns 150 are distributed in two rows and multiple columns on both sides of the length direction of the post-casting strip 130. Figure 3 Horizontal and longitudinal post-cast strips 130 are exemplified in FIG.

[0034] Please refer to Figures 2 to 3 The basement post-cast strip return top structure 100 provided by the embodiment of the utility model is provided with structural columns 150 arranged in rows and columns between the upper floor 110 and the basement lower floor 120 on both sides of the basement post-cast strip 130 at equal intervals and symmetrically in the length direction of the basement post-cast strip 130, and a hidden beam 140 is added in the upper floor 110 at the node between the structural column 150 and the upper floor 110 to improve the support strength of the structural column 150 and the upper floor 110, thereby providing effective return top support for the post-cast strip 130. Since the spacing distribution between adjacent structural columns 150 is greater than the spacing arrangement of the traditional post-cast strip 130 support frame, a wider channel is formed between the structural columns 150, so that engineering machinery or manual handling can pass smoothly and unhindered in the wider channel formed between the structural columns 150, which facilitates the transportation of electromechanical engineering materials and other construction materials, so that the basement engineering and electromechanical engineering can be interspersed.

[0035] Please combine Figures 1 to 3 The basement post-casting top-return structure 100 provided by the embodiment of the utility model does not need to reserve a material transfer port at the formwork support frame 190, which reduces the risk source of the basement project and ensures the safe construction of the basement.

[0036] Please refer to Figures 1 to 3 The basement post-cast strip top-return structure 100 provided by the embodiment of the utility model adopts structural columns 150 and hidden beams 140 to replace the traditional post-cast strip support frame 160, and the lower ends of the structural columns 150 are directly constructed on the lower floor slab 120 on both sides of the post-cast strip 130 of the lower floor slab 120. There is no need to cross the floor slab post-cast strip 130 at the lower end of the traditional post-cast strip support frame 160 with a pad 180, thereby ensuring the reliability of the connection between the structural column 150 and the lower floor slab 120, avoiding the safety problem of slipping of the post-cast strip support frame 160 and the pad 180, thereby ensuring the reliability of the dome structure of the basement post-cast strip 130 and ensuring construction safety.

[0037] Please refer to Figure 3 In order to ensure that construction machinery can pass smoothly between the structural columns 150, the basement post-casting belt return top structure 100 provided by the embodiment of the utility model has a spacing distance between the structural columns 150 of 4000mm-6000mm, preferably 5000mm.

[0038] Please refer to Figures 2 to 4 In order to improve the structural strength of the hidden beam 140, the basement post-casting belt back-up structure 100 provided by the embodiment of the utility model, the hidden beam 140 is a hidden beam steel cage cast in the concrete of the upper floor 110 and tied to the floor steel mesh (not shown) of the upper floor 110. The hidden beam steel cage can be composed of four rectangularly distributed reinforcements and multiple stirrups thereon. The diameter of the reinforcement can be 20mm, and the diameter of the stirrup can be 8mm.

[0039] Please refer to Figures 2 to 5 In order to improve the support strength of the structural column 150 and the hidden beam 140 of the upper floor 110, the basement post-casting belt return top structure 100 provided by the embodiment of the utility model, the hidden beam 140 is arranged at the end surface of the upper floor 110 on both sides of the basement post-casting belt 130 at a distance L inward, wherein the distance L can be 200mm, the width of the hidden beam 140 is 300mm, and the cross-sectional size of the structural column 150 is 200mm×200mm. The width of the hidden beam 140 is larger than the width of the structural column 150, so that the structural column 150 can be supported within the range of the hidden beam 140, so as to facilitate the rapid docking construction of the structural column 150 and the hidden beam 140 of the upper floor 110. The hidden beam 140 is arranged at the distance L inward from the end surface of the upper floor 110 on both sides of the basement post-casting belt 130, which can avoid the problem of damaging the upper floor 110 when the structural column 150 is too close to the end surface of the post-casting belt 130.

[0040] In order to improve the structural strength, the basement post-casting belt return roof structure 100 provided by the embodiment of the utility model, the structural column 150 can be a reinforced concrete column. In order to facilitate construction, the structural column 150 can be a C35 plain concrete column.

[0041] The basement post-casting top-return structure 100 provided by the embodiment of the utility model can improve the overall construction progress of the basement project.

[0042] The present utility model is not limited to the above-mentioned specific implementation modes. Obviously, the above-mentioned embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments obtained by ordinary technicians in this field based on the described embodiments of the present utility model belong to the scope of protection of the present utility model. Those skilled in the art can make other levels of modifications and changes to the present utility model. In this way, if these modifications and changes of the present utility model fall within the scope of the claims of the present utility model, the present utility model is also intended to include these changes and changes.

Claims

1. A basement post-casting top-return structure, characterized in that: It includes hidden beams arranged in the upper floor slabs on both sides of the basement post-cast strip, and structural columns distributed in rows and columns between the upper floor slabs and the lower floor slabs of the basement at the hidden beams on both sides of the basement post-cast strip, which are symmetrically arranged at equal intervals along the length direction of the basement post-cast strip.

2. The basement post-casting top-return structure according to claim 1 is characterized in that: The hidden beam is a hidden beam steel cage cast in the concrete of the upper floor slab and tied to the floor slab steel mesh of the upper floor slab.

3. The basement post-casting top-return structure according to claim 2 is characterized in that: The hidden beam reinforcement cage is composed of four rectangularly distributed reinforcement bars and multiple stirrups thereon.

4. The basement post-casting top-return structure according to claim 3 is characterized in that: The diameter of the reinforcement is 20 mm, and the diameter of the stirrup is 8 mm.

5. The basement post-casting top-return structure according to claim 1 is characterized in that: The hidden beam is arranged 200 mm inward from the end surface of the upper floor slab on both sides of the post-cast zone of the basement, and the width of the hidden beam is 300 mm.

6. The basement post-casting top-return structure according to claim 1 is characterized in that: The structural column is a reinforced concrete column or a plain concrete column.

7. The basement post-casting top-return structure according to claim 6 is characterized in that: The cross-sectional size of the structural column is 200 mm×200 mm.

8. The basement post-casting top-return structure according to claim 1 is characterized in that: The spacing distance between the structural columns is 4000mm-6000mm.

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