A distributed beam type pull-out foundation
By adopting distribution beam components in the pull-resistant foundation, combining the upper and lower distribution beams and connecting reinforcements, the problem of insufficient rear tensile point strength in the prior art is solved, and higher pull-resistant performance and safety are achieved.
Patent Information
- Application Number
- CN202110216221.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-02-26
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2041-02-26
AI Technical Summary
The rear pull point design of existing pile foundations is difficult to effectively meet the demand for rear pull point strength, especially in high-strength dock lifting projects.
A distribution beam-type pull-resistant foundation is adopted, including reinforced concrete foundation and distribution beam assembly installed in the reinforced concrete foundation. Through the combination of upper distribution beams, lower distribution beams and connecting reinforcements, a stable structure is formed to improve pull-resistant performance.
It effectively improves the performance and safety of the resistant foundation, enhances the stress capacity, makes the foundation stress more uniform, and reduces the requirements for bearing the reinforced concrete foundation.
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Figure CN112854291B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an anti-pullout foundation, in particular to a distribution beam type anti-pullout foundation. Background Art
[0002] The pull-out foundation is widely used in some dock mast crane hoisting projects, and is often used as a pull-out point. The pull-out point is often subjected to large forces, often hundreds or even thousands of tons, which brings great difficulty to the design of the pull-out point. In general, the pull-out point foundation adopts a pile foundation, and the area of the pedestal is large. The use of a single point to drive the entire pedestal has great requirements for the thickness of the pedestal and the embedding method of the embedded parts. The existing pile foundation pull-out point design cannot effectively meet the demand for the strength of the pull-out point. Summary of the invention
[0003] The purpose of the present invention is to provide a distribution beam type pull-out resistant foundation in order to overcome the defects of the above-mentioned prior art.
[0004] The purpose of the present invention can be achieved by the following technical solutions:
[0005] A distribution beam type pull-out resistant foundation comprises a reinforced concrete foundation and a distribution beam assembly arranged in the reinforced concrete foundation, wherein the distribution beam assembly comprises an upper distribution beam, a pull ear, a plurality of connection reinforcements and a plurality of lower distribution beams, wherein the lower distribution beams are arranged in parallel and at intervals, the upper distribution beam is fixedly arranged on the lower distribution beam, the upper distribution beam and the lower distribution beam are arranged vertically, the pull ear is fixedly arranged on the upper distribution beam, and the two sides of the upper distribution beam are fixedly connected to the lower distribution beam through connection reinforcements respectively.
[0006] Preferably, the connecting reinforcement includes a first upper and lower beam support and a second upper and lower beam support, one end of the first upper and lower beam support is fixedly connected to the top of the side of the upper distribution beam, and the other end is fixedly connected to the top end of the lower distribution beam, and one end of the second upper and lower beam support is fixedly connected to the bottom of the side of the upper distribution beam, and the other end is fixedly connected to the middle of the first upper and lower beam support.
[0007] Preferably, the upper distribution beam and the lower distribution beam are fixedly connected by welding.
[0008] Preferably, a plurality of casting holes are provided on the side surface of the upper distribution beam.
[0009] Preferably, a plurality of steel bar holes for passing horizontal steel bars are provided on the side surface of the upper distribution beam.
[0010] Preferably, the lower distribution beam is an I-beam.
[0011] Preferably, stiffening plates are provided on both sides of the middle part of the web of the lower distribution beam, and the stiffening plates are located below the upper distribution beam.
[0012] Preferably, the upper distribution beam is box-shaped steel.
[0013] Preferably, the anti-pullout foundation further includes a plurality of horizontal connecting rods, and adjacent lower layer distribution beams are fixedly connected by the horizontal connecting rods.
[0014] Preferably, the reinforced concrete foundation comprises a foundation body and a plurality of foundation piles, and the foundation piles are fixed at the bottom of the foundation body.
[0015] Compared with the prior art, the present invention has the following advantages:
[0016] (1) The distribution beam assembly of the present invention uses the upper distribution beam and the lower distribution beam to cooperate, and effectively uses the distribution beam to drive the entire reinforced concrete foundation. The distribution beam assembly has a stable structure, clear force transmission, safety and reliability, and effectively improves the performance of the pull-out resistance foundation;
[0017] (2) The upper distribution beam and the lower distribution beam of the present invention are welded and connected, and the connection reinforcement is used to further strengthen the lateral stability of the upper distribution beam and the lower distribution beam, which effectively improves the safety and reliability of the present invention and improves the force bearing capacity;
[0018] (3) The upper distribution beam of the present invention is provided with pouring holes and steel bar holes, so that the concrete can be easily compacted during pouring, the pull-out resistance of the pull-out foundation is improved, the force on the foundation is more uniform, and the bearing requirements on the reinforced concrete foundation are reduced;
[0019] (4) A stiffening plate is arranged inside the lower distribution beam of the present invention, which effectively improves the strength of the lower distribution beam, and the lower distribution beams are fixedly connected by horizontal connecting rods, so that the force on the lower distribution beam is uniform, thereby improving the performance of the anti-pullout foundation. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the main structure of the present invention;
[0021] Figure 2 It is a side view structural schematic diagram of the present invention;
[0022] Figure 3 It is a schematic diagram of the top view structure of the present invention;
[0023] Figure 4 It is a structural schematic diagram of the upper distribution beam of the present invention;
[0024] Figure 5 It is a structural schematic diagram of the upper distribution beam of the present invention;
[0025] Figure 6 It is a structural schematic diagram of the lower distribution beam of the present invention;
[0026] Figure 7 It is a schematic structural diagram of the lower distribution beam of the present invention.
[0027] Among them, 1. reinforced concrete foundation, 2. upper distribution beam, 3. lower distribution beam, 4. first upper and lower beam support, 5. horizontal connecting rod, 6. pull ear, 7. casting hole, 8. steel bar hole, 9. stiffening plate, 10. node plate, 11. foundation pile, 12. second upper and lower beam support. DETAILED DESCRIPTION
[0028] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. Note that the following embodiments are merely illustrative in nature, and the present invention is not intended to limit its applicable objects or uses, and the present invention is not limited to the following embodiments.
[0029] Example
[0030] A distributed beam type pullout foundation, such as Figures 1 to 3 As shown, it includes a reinforced concrete foundation 1 and a distribution beam assembly arranged in the reinforced concrete foundation 1, the distribution beam assembly includes an upper distribution beam 2, a pull ear 6, a plurality of connecting reinforcements and a plurality of lower distribution beams 3, the lower distribution beams 3 are arranged in parallel and spaced apart, the upper distribution beam 2 is fixedly arranged on the lower distribution beam 3, the upper distribution beam 2 and the lower distribution beam 3 are arranged vertically, the pull ear 6 is fixedly arranged on the upper distribution beam 2, and the two sides of the upper distribution beam 2 are fixedly connected to the lower distribution beam 3 through connecting reinforcements.
[0031] In this embodiment, the reinforced concrete foundation 1 includes a foundation body and a plurality of foundation piles 11, and the foundation piles 11 are fixedly arranged at the bottom of the foundation body. Specifically, the upper distribution beam 2 and the lower distribution beam 3 are fixedly connected by welding, and the pull ear 6 is welded and fixed to the top of the upper distribution beam 2.
[0032] In this embodiment, Figure 4 As shown, the upper distribution beam 2 is a box-shaped steel, and the upper distribution beam 2 includes two horizontal flanges and two vertical webs to form a box-shaped steel structure.
[0033] In one embodiment of the present invention, in order to strengthen the connection strength of the upper distribution beam 2 and the lower distribution beam 3 and enhance the lateral stability of the upper distribution beam 2 and the lower distribution beam 3, the connection reinforcement member includes a first upper and lower beam support 4 and a second upper and lower beam support 12, one end of the first upper and lower beam support 4 is fixedly connected to the top of the side of the upper distribution beam 2, and the other end is fixedly connected to the top end of the lower distribution beam 3, one end of the second upper and lower beam support 12 is fixedly connected to the bottom of the side of the upper distribution beam 2, and the other end is fixedly connected to the middle of the first upper and lower beam support 4. Specifically, a node plate 10 is provided at the angle between the flange and the web of the upper distribution beam 2 and the top end of the lower distribution beam 3, the first upper and lower beam support 4 and the second upper and lower beam support 12 are fixedly connected to the upper distribution beam 2 and the lower distribution beam 3 through the node plate 10, in addition, the node plate 10 is fixedly welded to the middle of the first upper and lower beam support 4, and the first upper and lower beam support 4 and the second upper and lower beam support 12 are fixedly connected through the node plate 10.
[0034] In order to make the concrete compact easily during pouring, Figure 5 As shown, a plurality of casting holes 7 are provided on the side of the upper distribution beam 2. At the same time, in order to improve the pull-out resistance of the pull-out foundation, a plurality of steel bar holes 8 for inserting horizontal steel bars are provided on the side of the upper distribution beam 2. When the present invention is implemented, horizontal steel bars can be arranged in the steel bar holes 8.
[0035] In this embodiment, Figure 6 , 7 As shown, the lower distribution beam 3 is an I-beam. In order to strengthen the lower distribution beam 3, a stiffening plate 9 is provided at the corresponding position between the lower distribution beam 3 and the upper distribution beam 2, that is, at both sides of the middle of the web of the lower distribution beam 3. The stiffening plate 9 is located below the upper distribution beam 2. In this embodiment, the stiffening plate 9 is welded to the lower distribution beam 3.
[0036] Furthermore, in order to make the lower distribution beam 3 bear force uniformly, the anti-pulling foundation further includes a plurality of horizontal connecting rods 5, and the adjacent lower distribution beams 3 are fixedly connected by the horizontal connecting rods 5. Both ends of the horizontal connecting rods 5 are respectively welded and fixedly connected to the lower distribution beam 3.
[0037] When the present invention is specifically implemented, Figure 1-3 As shown, a distribution beam assembly of a distribution beam type anti-pulling foundation includes an upper distribution beam 2, a pull ear 6, eight connection reinforcements and four lower distribution beams 3.
[0038] When the present invention is used, the distribution beam components can be assembled on the ground and then placed in the reinforced concrete foundation 1 as a whole, or in layers.
[0039] The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments can also be implemented in various other ways, and various omissions, substitutions, and changes can be made without departing from the technical concept of the present invention.
Claims
1. A distribution beam type pull-out foundation, characterized in that: The invention comprises a reinforced concrete foundation (1) and a distribution beam assembly arranged in the reinforced concrete foundation (1), wherein the distribution beam assembly comprises an upper distribution beam (2), a pull ear (6), a plurality of connection reinforcement members and a plurality of lower distribution beams (3), wherein the lower distribution beams (3) are arranged in parallel and spaced apart, the upper distribution beam (2) is fixedly arranged on the lower distribution beam (3), the upper distribution beam (2) and the lower distribution beam (3) are arranged vertically, the pull ear (6) is fixedly arranged on the upper distribution beam (2), and both sides of the upper distribution beam (2) are fixedly connected to the lower distribution beam (3) via connection reinforcement members, The connecting reinforcement comprises a first upper and lower beam support (4) and a second upper and lower beam support (12), one end of the first upper and lower beam support (4) is fixedly connected to the top of the side of the upper distribution beam (2), and the other end is fixedly connected to the top end of the lower distribution beam (3), one end of the second upper and lower beam support (12) is fixedly connected to the bottom of the side of the upper distribution beam (2), and the other end is fixedly connected to the middle of the first upper and lower beam support (4), The anti-pulling foundation further comprises a plurality of horizontal connecting rods (5), and adjacent lower layer distribution beams (3) are fixedly connected via the horizontal connecting rods (5).
2. A distribution beam type pull-out foundation according to claim 1, characterized in that: The upper distribution beam (2) and the lower distribution beam (3) are fixedly connected by welding.
3. The distribution beam type pull-out foundation according to claim 1, characterized in that: A plurality of casting holes (7) are provided on the side surface of the upper distribution beam (2).
4. The distribution beam type pull-out foundation according to claim 1, characterized in that: A plurality of steel bar holes (8) for passing horizontal steel bars are provided on the side surface of the upper distribution beam (2).
5. The distribution beam type pull-out foundation according to claim 1, characterized in that: The lower distribution beam (3) is an I-beam.
6. The distribution beam type anti-pulling foundation according to claim 5, characterized in that: Stiffening plates (9) are provided on both sides of the middle part of the web of the lower distribution beam (3), and the stiffening plates (9) are located below the upper distribution beam (2).
7. The distribution beam type pull-out foundation according to claim 1, characterized in that: The upper distribution beam (2) is box-shaped steel.
8. The distribution beam type pull-out foundation according to claim 1, characterized in that: The reinforced concrete foundation (1) comprises a foundation body and a plurality of foundation piles (11), wherein the foundation piles (11) are fixedly arranged at the bottom of the foundation body.
Citation Information
Patent Citations
Superposed tower crane foundation
CN102425190A
Distribution beam type anti-pulling foundation
CN215211144U