Super-thick bottom plate steel bar support

Abstract

The utility model discloses an ultra-thick bottom plate reinforcing steel bar support, and relates to the technical field of bottom plate reinforcing steel bar supports. The raft comprises a steel bar support and a raft plate, a plate descending area is arranged on the steel bar support, a plurality of bearing platform sinking areas distributed in a rectangular array are arranged on the inner side of an upper-layer steel bar net, hexagonal bearing platforms are arranged in the bearing platform sinking areas, and a bottom plate is arranged at the bottom of a lower-layer steel bar net. The transverse bars and the longitudinal bars of the upper-layer reinforcing mesh and the lower-layer reinforcing mesh are supported by the horse stool bars to improve the stability, then the hexagonal bearing platform is built in the bearing platform sinking area, and the hexagonal bearing platform has a higher bearing effect compared with a common bearing platform, so that the overall strength and the bearing capacity of the reinforcing steel bar support can be effectively improved, and the purpose of improving the quality is achieved; the thickness of the steel bar protection layer can be guaranteed through the supporting layer, underground water can be prevented from penetrating through the concrete cushion layer to permeate upwards through the waterproof layer, and the waterproof layer can be protected through the protection layer to prevent the waterproof layer from being damaged and losing the waterproof performance.

Description

Technical Field

[0001] The utility model relates to the technical field of bottom plate steel bar brackets, in particular to an ultra-thick bottom plate steel bar bracket. Background Art

[0002] The raft foundation is composed of a bottom plate, beams, etc. When the building load is large and the foundation bearing capacity is weak, a concrete bottom plate raft is often used to bear the building load and form a raft foundation. It has good integrity and can well resist uneven foundation settlement;

[0003] Most of the existing steel bar supports use triangular pedestals, etc., which have poor supporting effects and result in insufficient overall strength. In addition, most of the base plates are supported only by concrete pads, but groundwater infiltration is prone to occur. In response to the above problems, the inventor proposes an ultra-thick base plate steel bar support to solve the above problems. Utility Model Content

[0004] In order to solve the problems of insufficient overall strength and easy groundwater infiltration, the utility model aims to provide an ultra-thick bottom plate steel bar support.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an ultra-thick bottom plate steel bar support, comprising a steel bar support and a raft plate, wherein a plate lowering area is arranged on the steel bar support, the steel bar support comprises an upper steel bar mesh and a lower steel bar mesh, the raft plate is located on the upper steel bar mesh, structural ribs are arranged between the upper steel bar mesh and the lower steel bar mesh, the upper steel bar mesh and the lower steel bar mesh are assembled and formed by the structural ribs, a plurality of pedestal sinking areas distributed in a rectangular array are arranged on the inner side of the upper steel bar mesh, a hexagonal pedestal is arranged in the pedestal sinking area, and a bottom plate is arranged at the bottom of the lower steel bar mesh.

[0006] Preferably, the base plate includes a concrete cushion layer, a waterproof layer, a protective layer and a supporting layer. The waterproof layer is arranged on the concrete cushion layer, the protective layer is arranged on the side of the waterproof layer away from the concrete cushion layer, and the supporting layer is arranged on one side of the protective layer. The thickness of the steel bar protective layer can be ensured by the supporting layer, the waterproof layer can prevent groundwater from penetrating upward through the concrete cushion layer, and the protective layer can protect the waterproof layer to prevent the waterproof layer from being damaged and losing its waterproof performance.

[0007] Preferably, an elevator foundation pit is provided on the inner side of the upper steel mesh, and a water collection foundation pit is provided on the inner side of the upper steel mesh, and the elevator foundation pit can facilitate the subsequent installation of the elevator.

[0008] Preferably, the upper steel mesh and the lower steel mesh are both composed of transverse bars and longitudinal bars interlaced with each other, and a plurality of saddle bars are provided between the transverse bars and the longitudinal bars for support, and the saddle bars can support the transverse bars and the longitudinal bars to avoid deformation.

[0009] Preferably, the steel bar support is provided with a plurality of reinforcing supports distributed in a rectangular array, and the overall supporting strength of the steel bar support is improved by the reinforcing supports.

[0010] Preferably, the thickness of the hexagonal pedestal is 2400 mm, so that the load-bearing strength of the hexagonal pedestal can be maintained.

[0011] Preferably, the thickness of the sinking area of ​​the pedestal is 4500 mm, which can ensure that the construction requirements are met.

[0012] Preferably, the thickness between the upper steel mesh and the lower steel mesh is between 1600 mm and 6000 mm, which can effectively ensure the overall supporting strength of the steel support.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The upper steel mesh, the lower steel mesh and the structural reinforcement are laid on the bottom plate in sequence, and the horizontal and longitudinal reinforcements of the upper steel mesh and the lower steel mesh are supported by the horse stool reinforcement to improve the stability. Then, a hexagonal cap is built in the cap sinking area. Compared with the ordinary cap, the hexagonal cap has a higher load-bearing effect, which can effectively improve the overall strength and load-bearing capacity of the steel support, thereby achieving the purpose of improving quality;

[0015] 2. The support layer can ensure the thickness of the steel bar protection layer, the waterproof layer can prevent groundwater from penetrating upward through the concrete cushion layer, and the protective layer can protect the waterproof layer to prevent it from being damaged and losing its waterproof performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model.

[0018] Figure 2 It is a cross-sectional schematic diagram of the structure of the sinking area of ​​the pedestal of the utility model.

[0019] Figure 3 It is a cross-sectional schematic diagram of the elevator foundation pit structure of the utility model.

[0020] Figure 4 It is a layered schematic diagram of the bottom plate structure of the utility model.

[0021] In the figure: 1. Steel support; 101. Upper steel mesh; 102. Lower steel mesh; 2. Raft; 3. Drop plate area; 4. Capping sinking area; 5. Elevator foundation pit; 6. Water collection pit; 7. Stool reinforcement; 8. Hexagonal cap; 9. Structural reinforcement; 11. Transverse reinforcement; 12. Longitudinal reinforcement; 13. Strengthening support; 15. Bottom plate; 151. Concrete cushion; 152. Waterproof layer; 153. Protective layer; 154. Support layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example: Figure 1-4 As shown, the utility model provides a technical solution: an ultra-thick bottom plate steel bar support, comprising a steel bar support 1 and a raft 2, a plate lowering area 3 is arranged on the steel bar support 1, the steel bar support 1 comprises an upper steel mesh 101 and a lower steel mesh 102, the raft 2 is located on the upper steel mesh 101, structural ribs 9 are arranged between the upper steel mesh 101 and the lower steel mesh 102, the upper steel mesh 101 and the lower steel mesh 102 are assembled and formed by the structural ribs 9, a plurality of pedestal sinking areas 4 distributed in a rectangular array are arranged on the inner side of the upper steel mesh 101, a hexagonal pedestal 8 is arranged in the pedestal sinking area 4, and a bottom plate 15 is arranged at the bottom of the lower steel mesh 102.

[0024] The base plate 15 includes a concrete cushion layer 151, a waterproof layer 152, a protective layer 153 and a supporting layer 154. The waterproof layer 152 is arranged on the concrete cushion layer 151, the protective layer 153 is arranged on a side of the waterproof layer 152 away from the concrete cushion layer 151, and the supporting layer 154 is arranged on one side of the protective layer 153.

[0025] By adopting the above technical scheme, the thickness of the steel bar protection layer can be ensured by the support layer 154, the groundwater can be prevented from penetrating upward through the concrete cushion layer 151 by the waterproof layer 152, and the waterproof layer 152 can be protected by the protective layer 153 to prevent the waterproof layer 152 from being damaged and losing its waterproof performance.

[0026] An elevator foundation pit 5 is provided inside the upper steel mesh 101 , and a water collection foundation pit 6 is provided inside the upper steel mesh 101 .

[0027] By adopting the above technical solution, the elevator foundation pit 5 can be used to facilitate subsequent installation of the elevator.

[0028] The upper steel mesh 101 and the lower steel mesh 102 are both formed by interlacing transverse bars 11 and longitudinal bars 12 , and a plurality of saddle bars 7 are provided between the transverse bars 11 and the longitudinal bars 12 for support.

[0029] By adopting the above technical solution, the transverse reinforcement 11 and the longitudinal reinforcement 12 can be supported by the horse stool reinforcement 7 to avoid deformation.

[0030] The steel bar support 1 is provided with a plurality of reinforcing supports 13 distributed in a rectangular array.

[0031] By adopting the above technical solution, the overall supporting strength of the steel bar support 1 is improved by strengthening the support platform 13.

[0032] The thickness of the hexagonal support 8 is 2400 mm.

[0033] By adopting the above technical solution, the load-bearing strength of the hexagonal support 8 can be maintained.

[0034] The thickness of the cap sinking area 4 is 4500 mm.

[0035] By adopting the above technical solutions, it can be ensured that the building needs are met.

[0036] The thickness between the upper steel mesh 101 and the lower steel mesh 102 is between 1600 mm and 6000 mm.

[0037] By adopting the above technical solution, the overall supporting strength of the steel bar support 1 can be effectively guaranteed.

[0038] Working principle: First, calculate the force verification of the joints of the upper steel mesh 101, the lower steel mesh 102 and the structural reinforcement 9 to ensure the stability of the steel support 1. Then, according to the requirements of the drawings, a concrete cushion layer 151, a waterproof layer 152, a protective layer 153 and a support layer 154 are arranged from bottom to top below the lower steel mesh 102. The support layer 154 can ensure the thickness of the steel protection layer. The waterproof layer 152 can prevent groundwater from penetrating upward through the concrete cushion layer 151. The protective layer 153 can prevent the steel protection layer from penetrating upward through the concrete cushion layer 151. The waterproof layer 152 is protected to prevent the waterproof layer 152 from being damaged and losing its waterproof performance. Then, the upper steel mesh 101, the lower steel mesh 102 and the structural reinforcement 9 are laid in sequence on the bottom plate 15. At the same time, the transverse reinforcement 11 and the longitudinal reinforcement 12 of the upper steel mesh 101 and the lower steel mesh 102 are supported by the horse stool reinforcement 7 to improve the stability. Then, a hexagonal pedestal 8 is built in the pedestal sinking area 4. The hexagonal pedestal 8 has a higher load-bearing effect than the ordinary pedestal. Finally, the raft 2 and the bottom plate 15 are poured and maintained.

[0039] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An ultra-thick bottom plate steel bar support, comprising a steel bar support (1) and a raft plate (2), characterized in that: The steel support (1) is provided with a plate lowering area (3), the steel support (1) comprises an upper steel mesh (101) and a lower steel mesh (102), the raft (2) is located on the upper steel mesh (101), structural ribs (9) are provided between the upper steel mesh (101) and the lower steel mesh (102), the upper steel mesh (101) and the lower steel mesh (102) are assembled and formed by the structural ribs (9), a plurality of pedestal sinking areas (4) distributed in a rectangular array are provided on the inner side of the upper steel mesh (101), a hexagonal pedestal (8) is provided in the pedestal sinking area (4), and a bottom plate (15) is provided at the bottom of the lower steel mesh (102).

2. The ultra-thick bottom plate steel bar support according to claim 1, characterized in that: The bottom plate (15) comprises a concrete cushion layer (151), a waterproof layer (152), a protective layer (153) and a supporting layer (154); the waterproof layer (152) is arranged on the concrete cushion layer (151); the protective layer (153) is arranged on a side of the waterproof layer (152) away from the concrete cushion layer (151); and the supporting layer (154) is arranged on one side of the protective layer (153).

3. The ultra-thick bottom plate steel bar support according to claim 1, characterized in that: An elevator foundation pit (5) is arranged inside the upper steel mesh (101), and a water collection foundation pit (6) is arranged inside the upper steel mesh (101).

4. The ultra-thick bottom plate steel bar support according to claim 1, characterized in that: The upper steel mesh (101) and the lower steel mesh (102) are both formed by mutually interlacing transverse bars (11) and longitudinal bars (12), and a plurality of horse stool bars (7) are provided between the transverse bars (11) and the longitudinal bars (12) for support.

5. The super-thick bottom plate steel bar support according to claim 1, characterized in that: The steel bar support (1) is provided with a plurality of reinforcing support platforms (13) distributed in a rectangular array.

6. The ultra-thick bottom plate steel bar support according to claim 1, characterized in that: The thickness of the hexagonal support (8) is 2400 mm.

7. The ultra-thick bottom plate steel bar support according to claim 1, characterized in that: The thickness of the support platform sinking area (4) is 4500 mm.

8. The super-thick bottom plate steel bar support according to claim 1, characterized in that: The thickness between the upper steel mesh (101) and the lower steel mesh (102) is between 1600 mm and 6000 mm.

Images