A construction pile foundation for deep foundation pit support construction technology

Abstract

The utility model provides a construction foundation pile of a deep foundation pit support construction technology, comprising a ground and a foundation pit located in the ground, wherein a supporting structure closely attached to a side wall of the foundation pit is arranged inside the foundation pit, and the supporting structure comprises a foundation pile inserted into the foundation pit, a fixing device is arranged on the outer sleeve of the foundation pile, the fixing device is connected with binding steel bars through vertical steel bars, and transverse steel bars passing through the fixing device are arranged between the binding steel bars, and a supporting effect is played on the foundation pit by arranging the supporting structure, the vertical steel bars are fixed by means of the binding steel bars, the transverse steel bars are passed through the vertical steel bars and are placed above the binding steel bars, thereby ensuring the stability of the fixing device, the foundation pile is passed through the fixing device to ensure a firm connection of the foundation pile, and the fixing device is poured with concrete to achieve a firm connection, and by arranging multiple layers of fixing devices, fixing devices can be adaptively added as the depth of the foundation pit deepens, thereby extending the height of the supporting structure.

Description

Technical Field

[0001] The utility model provides a building construction foundation pile, belongs to the technical field of deep foundation pit supporting equipment, and particularly relates to a building construction foundation pile of deep foundation pit supporting construction technology. Background Art

[0002] Deep foundation pit support construction technology is a key engineering technology used in underground foundation pit structure construction. Construction piles play an important role in deep foundation pit support. Piles refer to vertical or nearly vertical load-bearing members used in foundations, generally made of reinforced concrete, steel structure or wood. The main function of piles is to transfer the load of the building to the deep soil or rock formation to ensure the stability and safety of the building. They effectively disperse and transfer the load of the superstructure through the friction or end bearing force formed with the soil, preventing uneven settlement and tilting of the building.

[0003] The existing construction piles used for foundation pits are arranged in an orderly manner to form a curtain wall, which plays a protective role for the foundation pit. As the foundation pit is excavated deeper, the piles will become unstable, posing certain safety hazards. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, the embodiments of the present application provide a construction pile of a deep foundation pit support construction technology, thereby solving the problem in the prior art that the stability of the construction pile of the foundation pit decreases as the depth of the foundation pit increases.

[0005] In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions: a construction foundation pile of a deep foundation pit support construction technology, comprising the ground and a foundation pit located in the ground, a support structure close to the side wall of the foundation pit is provided inside the foundation pit, the support structure comprises a foundation pile inserted into the foundation pit, a fixing device is provided on the outside of the foundation pile, the fixing device is connected to binding steel bars through vertical steel bars, and transverse steel bars passing through the fixing device are provided between the binding steel bars.

[0006] Preferably: the foundation piles are provided with a plurality of evenly distributed fixing devices, the outside of the transverse reinforcements are provided with fixing steel hoops placed on both sides of the vertical reinforcements, and the outsides of the vertical reinforcements, the binding reinforcements, the transverse reinforcements and the fixing steel hoops are provided with concrete slabs.

[0007] Preferably, the supporting structure comprises a supporting curtain wall closely attached to the side wall of the foundation pit, an oblique supporting structure is provided at the corner of the supporting curtain wall, and the supporting curtain wall and the oblique supporting structure are fixedly connected by a concrete slab.

[0008] Preferably: the end of the vertical steel bar away from the bundled steel bars is fixedly connected with a symmetrically distributed clamping shell, and both ends of the clamping shell are fixedly connected with centrally symmetrically distributed mounting grooves, and the clamping shells are centrally symmetrically distributed.

[0009] Preferably: a vertical threaded column fixedly connected to the vertical steel bar is provided in the installation groove, and an arc-shaped clamping plate corresponding to the foundation pile is connected to the clamping shell through a transverse threaded column running through the clamping shell, a roller is movably connected to the inner side of the clamping plate, and the transverse threaded column and the clamping plate are movably connected.

[0010] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0011] The utility model supports the foundation pit by arranging a supporting structure, fixes the vertical steel bars by means of bundled steel bars, passes the transverse steel bars through the vertical steel bars and is placed above the bundled steel bars, thereby ensuring the stability of the fixing device, passes the foundation piles through the fixing device to ensure a firm connection of the foundation piles, and pours concrete on the fixing device to achieve a firm connection. By arranging multiple layers of fixing devices, fixing devices can be adaptively added as the depth of the foundation pit increases, thereby extending the height of the supporting structure.

[0012] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is an installation view of a construction pile for a deep foundation pit support construction technology of the utility model;

[0014] Figure 2 It is a three-dimensional schematic diagram of a fixing device for construction piles of a deep foundation pit support construction technology of the utility model;

[0015] Figure 3 A cross-sectional view of a concrete slab of a construction pile of a deep foundation pit support construction technology of the utility model;

[0016] Figure 4 The utility model is an exploded diagram of the fixed outer shell of a construction pile of a deep foundation pit support construction technology.

[0017] As shown in the figure:

[0018] 1. Ground;

[0019] 11. Foundation pit;

[0020] 2. Support structure;

[0021] 21. Foundation piles; 22. Fixing devices; 23. Vertical reinforcement; 24. Bundling reinforcement; 25. Horizontal reinforcement; 26. Fixed steel hoops; 27. Concrete slab; 28. Support curtain wall; 29. ​​Diagonal support structure;

[0022] 211. Clamping shell; 212. Mounting groove; 213. Vertical threaded column; 214. Horizontal threaded column; 215. Clamping plate; 216. Roller. DETAILED DESCRIPTION

[0023] 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.

[0024] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are only for illustrative purposes and do not represent the only implementation method.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific implementation methods and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] like Figure 1 and Figure 2 As shown, a construction foundation pile of a deep foundation pit support construction technology includes a ground 1, a foundation pit 11 located in the ground 1, and a supporting structure 2 located inside the foundation pit 11 and close to the side wall of the foundation pit. The supporting structure 2 includes a foundation pile 21 inserted into the foundation pit 11, and a plurality of evenly distributed fixing devices 22 are sleeved on the foundation pile 21. The outside of the transverse reinforcement 25 is sleeved with a fixing steel hoop 26 placed on both sides of the vertical reinforcement 23. The outside of the vertical reinforcement 23, the binding reinforcement 24, the transverse reinforcement 25 and the fixing steel hoop 26 are sleeved with a concrete slab 27. The outside of the foundation pile 21 is sleeved with a fixing device 22, and the fixing device 22 is connected to the binding reinforcement 24 through the vertical reinforcement 23. The binding reinforcement 24 is provided with a transverse reinforcement 25 passing through the fixing device 22.

[0027] In this embodiment, the supporting structure 2 is provided to support the foundation pit 11, the vertical steel bars 23 are fixed by means of the binding steel bars 24, the transverse steel bars 25 are passed through the vertical steel bars 23 and placed above the binding steel bars 24, thereby ensuring the stability of the fixing device 22, the foundation piles 21 are passed through the fixing device 22 to ensure the firm connection of the foundation piles 21, and the fixing device 22 is poured with concrete to achieve a firm connection, and by providing multiple layers of fixing devices 22, the fixing devices 22 can be adaptively added as the depth of the foundation pit 11 increases, thereby extending the height of the supporting structure 2.

[0028] like Figure 3 and Figure 4 As shown, the support structure 2 includes a supporting curtain wall 28 that is close to the side wall of the foundation pit 11, and an inclined supporting structure 29 is provided at the corner of the supporting curtain wall 28. The supporting curtain wall 28 and the inclined supporting structure 29 are fixedly connected by a concrete slab 27. A symmetrically distributed clamping shell 211 is fixedly connected to the end of the vertical steel bar 23 away from the binding steel bar 24. The clamping shell 211 is centrally symmetrically distributed, and the two ends are fixedly connected to the centrally symmetrically distributed mounting grooves 212. A vertical threaded column 213 fixedly connected to the vertical steel bar 23 is provided in the mounting groove 212. The clamping shell 211 is connected to an arc-shaped clamping plate 215 corresponding to the foundation pile 21 through a transverse threaded column 214 that penetrates the clamping shell 211, and a roller 216 is movably connected to the inner side of the clamping plate 215. The transverse threaded column 214 and the clamping plate 215 are movably connected.

[0029] In this embodiment, the supporting curtain wall 28 and the inclined supporting structure 29 are formed by bundling steel bars and are formed after concrete is poured to form a concrete slab 27. The inclined supporting structure 29 is provided to increase the stability of the supporting curtain wall 28, i.e., the supporting structure 2. Before installation, the length of the appropriate foundation pile 21 is selected to determine the height of the fixing device 22, i.e., the length of the vertical steel bar 23. After being firmly fixed by means of the bundling steel bars 24 and the transverse steel bars 25, the fixing steel hoop 26 is installed, and concrete is poured to form. After the concrete is cured, the foundation pit 11 is excavated downward. After excavation to a certain depth, a clamping shell 211 is installed on the outside of the foundation pile 21, and the vertical steel bar 23 is passed through the installation groove 212. The above operation is repeated to fix the vertical steel bar 23 fixedly connected in the installation groove 212 and below the clamping shell 211, and the casting is continued. When the depth is too deep, a temporary trestle can be provided for transporting earth.

[0030] When in use, select a foundation pile 21 of appropriate length according to design requirements, determine the height of the fixing device 22, that is, the length of the vertical steel bars 23, prepare materials such as the binding steel bars 24, the transverse steel bars 25 and the fixed steel hoops 26; fix the vertical steel bars 23 through the binding steel bars 24 to ensure the stability of the vertical steel bars, pass the transverse steel bars 25 through the vertical steel bars 23 and place them above the binding steel bars 24 to increase the overall stability of the structure, sleeve the fixed steel hoops 26 outside the vertical steel bars 23 and the transverse steel bars 25 to reinforce the overall structure, pour concrete to form a preliminary concrete slab 27, and perform maintenance to ensure the strength of the structure; excavate the foundation pit 11, and after excavating to a certain depth, install the supporting structure 2 close to the side wall of the foundation pit, sleeve the clamping shell 211 on the outside of the foundation pile 21 and fix it at the upper and lower ends, pass the vertical steel bars 23 through the installation groove 212, and fix them through the vertical threaded column 213 in the installation groove, and install the clamping shell 26 on the outside of the foundation pit 11. On 211, an arc-shaped clamping plate 215 is installed through a transverse threaded column 214 to ensure a stable connection of the foundation pile 21, and the inner side of the clamping plate 215 is movably connected to the roller 216 to increase the installation flexibility, and concrete is poured to form a new support layer to meet the next depth requirement; continue to dig the foundation pit downward, repeat the above-mentioned operation steps, set a clamping shell on the outside of each layer of foundation piles, connect the vertical steel bars 23 again and fix them, pour concrete to form a new support layer, and add a layer of fixing device 22 every time a certain depth is excavated to adapt to the change in the depth of the foundation pit; set a supporting curtain wall 28 on the side wall of the foundation pit, and set an inclined supporting structure 29 at the corner, and fix the supporting curtain wall 28 and the inclined supporting structure 29 by concrete pouring, so as to further increase the stability of the entire support structure; ensure that the concrete poured each time is fully cured to ensure strength and stability. When the excavation depth is deep, set a temporary trestle for earthwork transportation to ensure the smooth progress of construction. Through the above steps, the utility model can effectively realize the support of deep foundation pit, greatly improve the safety and stability of foundation pit construction, has strong adaptability and good support effect.

[0031] Although the present invention has been disclosed as above in terms of preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the technology may make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the definition of the claims.

Claims

1. A construction pile foundation of a deep foundation pit support construction technology, comprising a ground (1) and a foundation pit (11) located in the ground (1), characterized in that: A support structure (2) is provided inside the foundation pit (11) and is closely attached to the side wall of the foundation pit. The support structure (2) includes a foundation pile (21) inserted into the foundation pit (11). A fixing device (22) is sleeved on the outside of the foundation pile (21). The fixing device (22) is connected to a binding steel bar (24) via a vertical steel bar (23). A transverse steel bar (25) passing through the fixing device (22) is provided between the binding steel bars (24).

2. The construction pile foundation of the deep foundation pit support construction technology according to claim 1 is characterized by: The foundation pile (21) is sleeved with a plurality of evenly distributed fixing devices (22); the exterior of the transverse reinforcement (25) is sleeved with fixing steel hoops (26) placed on both sides of the vertical reinforcement (23); the exterior of the vertical reinforcement (23), the binding reinforcement (24), the transverse reinforcement (25) and the fixing steel hoops (26) are sleeved with concrete slabs (27).

3. The construction pile foundation of the deep foundation pit support construction technology according to claim 2 is characterized by: The support structure (2) comprises a supporting curtain wall (28) closely attached to the side wall of the foundation pit (11), an inclined supporting structure (29) is provided at the corner of the supporting curtain wall (28), and the supporting curtain wall (28) and the inclined supporting structure (29) are fixedly connected via a concrete slab (27).

4. The construction pile foundation of the deep foundation pit support construction technology according to claim 3 is characterized by: A symmetrically distributed clamping shell (211) is fixedly connected to one end of the vertical steel bar (23) away from the bundled steel bars (24), and installation grooves (212) distributed centrally and symmetrically are fixedly connected to both ends of the clamping shell (211), and the clamping shell (211) is distributed centrally and symmetrically.

5. The construction pile foundation of the deep foundation pit support construction technology according to claim 4 is characterized by: A vertical threaded column (213) fixedly connected to the vertical steel bar (23) is arranged in the installation groove (212); an arc-shaped clamping plate (215) corresponding to the foundation pile (21) is connected to the clamping shell (211) through a transverse threaded column (214) penetrating the clamping shell (211); a roller (216) is movably connected to the inner side of the clamping plate (215); and the transverse threaded column (214) and the clamping plate (215) are movably connected.

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