Pile hammering foundation construction pressure dissipation device
By setting up stress dissipation holes and installing corrugated pipes in the hammer pile construction to buffer the impact force during construction, the vibration damage problem of hammer pile construction to built buildings is solved, and the convenience and safety of construction are improved.
Patent Information
- Application Number
- CN202421289477.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-06
AI Technical Summary
The construction of hammer piles in the building will cause vibration damage to the built buildings, and the impact will require pressure dissipation treatment, and the construction operation will be inconvenient.
A pressure dissipation device for hammer pile foundation construction is designed. By setting up multiple stress dissipation holes in the surrounding rock and soil, and installing bellows and perforations in the holes, the impact force during construction of the hammer pile is buffered and the impact force on the built bearings is reduced.
By setting up stress dissipation holes and installing bellows, the vibration damage caused by hammer pile construction to surrounding buildings is effectively reduced, and the convenience and safety of the construction process are improved.
Smart Images
Figure CN222557632U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hammer pile foundation, in particular to a pressure dissipation device for hammer pile foundation construction. Background Art
[0002] Hammer piles are a construction method that uses the repeated impact force of various pile hammers and the deadweight of the pile body to overcome the side wall friction of the pile body and the resistance of the soil layer at the pile end, and sink the pile body to the designed elevation. The pile foundations of each phase of the building are close to each other, and hammer piles are used on site for foundation construction;
[0003] However, long-term and continuous construction of hammer piles in buildings will cause vibration damage to the completed buildings, which requires pressure dissipation treatment, and cannot reduce the impact of the impact damage to the buildings. The overall combined installation operation is not convenient and labor-saving enough. Utility Model Content
[0004] The utility model aims to provide a pressure dissipation device for hammer pile foundation construction to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A pressure dissipation device for hammer pile foundation construction includes surrounding rock and soil, one side of the surrounding rock and soil is provided with a built foundation, the other side of the surrounding rock and soil is provided with a hammer pile, a plurality of stress dissipation holes are provided in the middle of the surrounding rock and soil, a corrugated pipe is provided inside the stress dissipation hole, a plurality of through holes connected to the inside of the corrugated pipe are opened on the outer wall of the corrugated pipe, and a connecting plate is provided on the top of the corrugated pipe.
[0007] Preferably, the stress relief holes are distributed at equal intervals, and the depth of the stress relief holes is 24 m, and the stress relief holes extend into the surrounding rock and soil, penetrating the silty soil layer.
[0008] In the utility model, a plurality of stress dissipation holes are provided to realize the damage effect of hammer piles on surrounding built caps, and the stress dissipation holes reduce the vibration damage of impact force to buildings.
[0009] Preferably, the diameter of the stress dissipation hole is greater than 200 mm.
[0010] In the utility model, the hole diameter is greater than 200 mm, which is helpful for the insertion and matching of the corrugated pipe, protects the stress dissipation hole, and reduces the impact of collapse.
[0011] Preferably, the inner diameter of the stress dissipation hole is matched with the outer diameter of the bellows, the perforations are distributed at equal intervals, and the inner diameter of the perforations is 25 mm.
[0012] In the utility model, a plurality of perforations are provided, which helps when the impact force of the hammer machine is too large at the moment of construction, a small amount of squeezed soil can fall into the stress dissipation hole through the perforations, thereby reducing the impact on surrounding buildings.
[0013] Preferably, the bottom of the connecting plate is welded and fixed to the top of the corrugated pipe, and the middle of the connecting plate is connected to the inside of the corrugated pipe.
[0014] In the utility model, the setting of the connecting plate enables the corrugated pipe to fit tightly with the top of the surrounding rock and soil, and with the cooperation of the connecting plate, it is helpful to pull out the corrugated pipe, provide a fulcrum, facilitate the extraction of the corrugated pipe, and facilitate repeated use.
[0015] Among them, S1: The location of the stress dissipation hole is located between the hammer pile foundation to be constructed and the existing cap building, marking the location of the stress dissipation hole;
[0016] S2: The stress relief hole uses an external spiral drill, and the user manually controls the on-site hole drilling;
[0017] S3: The bellows is sunk in the stress dissipation hole. Protective measures are taken during construction. A baffle is inserted into the side wall of the stress dissipation hole to prevent the collapse of the hole from affecting the sinking of the bellows.
[0018] S4: Hammer pile construction: external hammering machine performs corresponding hammer pile construction;
[0019] S5: Treatment of stress dissipation holes after construction. After the pile foundation construction is completed, the stress dissipation holes are backfilled by adding concrete.
[0020] In the utility model, the operation of step S1 is helpful for selecting and coordinating stress dissipation holes, and after step S2, with the cooperation of the spiral drilling machine, fast and stable drilling is carried out, and with the cooperation of step S3, it is convenient to protect the stress dissipation holes from collapse, and at the same time, the corresponding corrugated pipes are installed in the stress dissipation holes. With the cooperation of multiple perforations, part of the soil is caused to enter the interior due to external impact, reducing the damage to the building. Step S4 constructs hammer piles, and the foundation is reinforced by an external hammer machine. Finally, with the cooperation of step S5, after the pile base construction is completed, the stress dissipation holes are backfilled to improve the soil and enhance the stability of the foundation.
[0021] Compared with the prior art, the beneficial effects of the utility model are:
[0022] 1. The utility model separates the built cap from the hammer pile circle by arranging a plurality of stress dissipation holes. The stress dissipation holes are distributed around the hammer pile in a plum blossom shape. A pullable corrugated pipe is provided in the stress dissipation holes to achieve buffering and dispersion of the impact force during the hammer pile construction, thereby reducing the damage to the surrounding built caps.
[0023] 2. The utility model provides perforations to help the soil in the surrounding rock and soil enter the stress dissipation holes through the perforations, thereby alleviating the excessive impact force during hammer pile construction. A small amount of squeezed soil can fall into the stress dissipation holes through the perforations, reducing the impact of the impact force on the built foundation. With the cooperation of the connecting plate, it helps to provide a fulcrum point, making it convenient for the corrugated pipe to be pulled out and used repeatedly. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0025] Figure 2 This is a schematic diagram of the bellows removal structure of the utility model;
[0026] Figure 3 This is a schematic diagram of the bellows structure of the utility model;
[0027] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the utility model.
[0028] The meaning of each number in the figure is:
[0029] 1. Surrounding rock and soil; 10. Stress dissipation holes;
[0030] 2. The foundation has been built;
[0031] 3. Hammer piles;
[0032] 4. Bellows; 40. Perforation; 41. Connecting plate. DETAILED DESCRIPTION
[0033] 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.
[0034] See also Figure 1-Figure 4 , this embodiment provides a technical solution:
[0035] A pressure dissipation device for hammer pile foundation construction includes surrounding rock and soil 1, a built cap 2 is provided on one side of the surrounding rock and soil 1, a hammer pile 3 is provided on the other side of the surrounding rock and soil 1, a plurality of stress dissipation holes 10 are provided in the middle of the surrounding rock and soil 1, a corrugated pipe 4 is provided inside the stress dissipation hole 10, the stress dissipation holes 10 are distributed at equal intervals, and the depth of the stress dissipation holes 10 is 24m, and the stress dissipation holes 10 extend into the surrounding rock and soil 1 and penetrate the silty soil layer.
[0036] In the utility model, a plurality of stress dissipation holes 10 are provided to reduce the damage effect of the hammer pile 3 on the surrounding built cap 2, and the stress dissipation holes 10 reduce the vibration damage of the impact force on the building.
[0037] Furthermore, the diameter of the stress dissipation hole 10 is greater than 200 mm.
[0038] In the utility model, the hole diameter is greater than 200 mm, which is helpful for the insertion and matching of the corrugated pipe 4, protects the stress dissipation hole 10, and reduces the collapse effect.
[0039] Specifically, a plurality of through holes 40 communicating with the interior of the bellows 4 are formed on the outer wall of the bellows 4 , and a connecting plate 41 is formed on the top of the bellows 4 .
[0040] It should be noted that the inner diameter of the stress dissipation hole 10 is matched with the outer diameter of the bellows 4, the perforations 40 are distributed at equal intervals, and the inner diameter of the perforations 40 is 25 mm, wherein the distance between the perforations 40 is 400 mm, and the impact force of the surrounding rock and soil 1 around the stress dissipation hole 10 is evenly buffered;
[0041] In the present invention, a plurality of perforations 40 are provided, which helps when the impact force of the hammering machine is too large at the moment of construction, a small amount of squeezed soil can fall into the stress dissipation hole 10 through the perforations 40, thereby reducing the impact on surrounding buildings.
[0042] Furthermore, the bottom of the connecting plate 41 is welded and fixed to the top of the bellows 4 , and the middle of the connecting plate 41 is connected to the inside of the bellows 4 .
[0043] In the utility model, the setting of the connecting plate 41 enables the bellows 4 to fit tightly with the top of the surrounding rock and soil 1, and with the cooperation of the connecting plate 41, it is helpful to pull out the bellows 4, provide a fulcrum, facilitate the pulling out of the bellows 4, and facilitate repeated use.
[0044] It is worth adding that S1: the stress relief hole 10 is positioned between the hammer pile 3 foundation to be constructed and the existing cap 2 building, marking the position of the stress relief hole 10;
[0045] S2: The stress relief hole 10 uses an external spiral drill, and the user manually controls the local hole drilling;
[0046] S3: The bellows 4 is sunk into the stress relief hole 10. During construction, protective measures are taken to insert a baffle into the side wall of the stress relief hole 10 to prevent the collapse of the hole from affecting the sinking of the bellows 4.
[0047] S4: Construction of hammer pile 3: an external hammer machine performs corresponding hammer pile 3;
[0048] S5: Treatment of the stress dissipation hole 10 after construction. After the pile foundation construction is completed, the stress dissipation hole 10 is backfilled by adding concrete.
[0049] In the utility model, the operation of step S1 is helpful for selecting and coordinating the stress dissipation hole 10, and after step S2, with the cooperation of the spiral drill, the drilling is carried out quickly and stably, and with the cooperation of step S3, it is convenient to protect the stress dissipation hole 10 from collapse, and at the same time, it is installed in the stress dissipation hole 10 through the corresponding corrugated pipe 4, and with the cooperation of multiple perforations 40, part of the soil is caused to enter the interior due to external impact, reducing the damage to the building. Step S4 constructs the hammer pile 3, and the foundation is reinforced by an external hammer machine. Finally, with the cooperation of step S5, after the pile base construction is completed, the user adds concrete to the stress dissipation hole 10, backfills the stress dissipation hole 10, improves the soil, and enhances the foundation stability.
[0050] When using the hammer pile foundation construction pressure dissipation device of this embodiment, the user first selects the stress dissipation hole 10 in the area between the built foundation 2 and the hammer pile 3 with the cooperation of the spiral drill, and inserts the corresponding baffle plate at the top of the stress dissipation hole 10 to reduce the impact of the top collapse on the interior, and then installs the corrugated pipe 4 with the perforation 40 in the stress dissipation hole 10 accordingly, and finally cooperates with the hammer pile 3 through the hammer machine to increase the stability of the pile foundation. After the construction is completed, with the cooperation of the connecting plate 41, the corrugated pipe 4 is taken out, and then the corresponding concrete material is backfilled into the stress dissipation hole 10 to improve the soil and enhance the foundation stability. The overall operation is simple, and the damage to the surrounding built foundation 2 during the construction of the hammer pile 3 is reduced.
Claims
1. A pressure dissipation device for hammer pile foundation construction, comprising surrounding rock and soil (1), one side of the surrounding rock and soil (1) is provided with a built foundation (2), the other side of the surrounding rock and soil (1) is provided with a hammer pile (3), and the middle position of the surrounding rock and soil (1) is provided with a plurality of stress dissipation holes (10), characterized in that: A bellows (4) is provided inside the stress dissipation hole (10), a plurality of through holes (40) communicating with the inside of the bellows (4) are provided on the outer wall of the bellows (4), and a connecting plate (41) is provided on the top of the bellows (4).
2. The pressure dissipation device for hammer pile foundation construction according to claim 1 is characterized by: The stress relief holes (10) are distributed at equal intervals, and the depth of the stress relief holes (10) is 24 m. The stress relief holes (10) extend into the surrounding rock and soil (1) and penetrate the silty soil layer.
3. The pressure dissipation device for hammer pile foundation construction according to claim 1 is characterized by: The diameter of the stress dissipation hole (10) is greater than 200 mm.
4. The pressure dissipation device for hammer pile foundation construction according to claim 1 is characterized by: The inner diameter of the stress dissipation hole (10) is matched with the outer diameter of the corrugated tube (4), the through holes (40) are distributed at equal intervals, and the inner diameter of the through holes (40) is 25 mm.
5. The pressure dissipation device for hammer pile foundation construction according to claim 1 is characterized by: The bottom of the connecting plate (41) is welded and fixed to the top of the bellows (4), and the middle of the connecting plate (41) is connected to the inside of the bellows (4).