Single-shaft cement mixing pile foundation reinforcing structure
The uniaxial cement mixing pile reinforcement structure addresses head damage by incorporating vegetation and load-distributing layers to stabilize and protect the foundation, enhancing durability and ecological sustainability.
Patent Information
- Application Number
- CN202420671885.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-02
AI Technical Summary
Cement mixing pile heads are prone to damage and washing away in rainy soil conditions, leading to foundation damage and slowed construction progress due to lack of load transfer and moisture protection.
A uniaxial cement mixing pile foundation reinforcement structure featuring a reinforcement barrel with a planting layer, crushed stone layer, expansion layer, and casting layer, incorporating vegetation, water-absorbing materials, drainage holes, and a truncated cone sleeve to reduce moisture and enhance load distribution.
The structure stabilizes the soil surface, resists foundation settlement, improves load transfer, and extends the foundation's service life while reducing maintenance costs and environmental impact.
Smart Images
Figure CN222139997U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a single-axis cement mixing pile foundation reinforcement structure, belonging to the technical field of building construction. Background Art
[0002] Cement mixing piles refer to an effective form of soft foundation treatment. It uses cement as the main agent of the curing agent. The cement is sprayed into the soil by a mixing pile machine and fully mixed, so that a series of physical and chemical reactions occur between the cement and the soil, which hardens the soft soil and improves the foundation strength. Cement mixing piles are divided into single-axis, double-axis and three-axis mixing piles according to the main construction methods used. In the 1970s, cement mixing piles began to be used to reinforce soft soil foundations, and it has a history of more than 40 years. It uses a special deep mixer to forcefully mix the soft soil and cement (curing agent), and uses a series of physical and chemical reactions between cement and soft soil to consolidate the soil, forming a cement soil pile with integrity, water stability and a certain strength.
[0003] In the current construction process, each cement mixing pile is independent of each other, and there is no load transfer between them. However, in some rainy soil conditions, the head of the mixing pile is often very easy to be damaged due to the soft soil and easy to be washed away. The foundation is damaged and soft, reducing the supporting strength of the foundation. After the damage, it needs to be repaired, which affects the subsequent construction in the area and slows down the construction progress. Therefore, it is urgent to improve it. Utility Model Content
[0004] In order to overcome the shortcomings of the mixing pile head being easily damaged and the repair slowing down the construction progress under the existing rainy soil conditions, the utility model designs a single-axis cement mixing pile foundation reinforcement structure, which can reduce the moisture of the soil near the cement mixing pile head, thereby achieving the purpose of protecting the mixing pile head and reinforcing the foundation.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A uniaxial cement mixing pile foundation reinforcement structure comprises a reinforcement barrel sleeved on the head of the pile body, the reinforcement barrel comprises a planting layer, a crushed stone layer, an expansion layer and a casting layer arranged in sequence from top to bottom, the planting layer is filled with nutrient soil, a plurality of planting holes are arranged at the top of the planting layer, each of the planting holes is provided with vegetation planted in the nutrient soil, the crushed stone layer is filled with a plurality of crushed stones, the expansion layer is filled with water-absorbing and expandable expansion material, and a plurality of reinforcing ribs are also arranged in the expansion layer, and a plurality of drainage holes are arranged on the casting layer, one end of the drainage hole is arranged on the top surface of the casting layer, and the other end is arranged on the outer side surface of the casting layer.
[0007] Furthermore, a sleeve is provided inside the expansion layer and sleeved outside the pile body, and the sleeve is in the form of a truncated cone structure that is narrow at the top and wide at the bottom.
[0008] Furthermore, the expansion layer is filled with a plurality of stones.
[0009] Furthermore, a plurality of insertion rods inserted into the soil body are fixed on the top of the casting layer, and a plurality of barbed rods are arranged on the insertion rods.
[0010] Furthermore, a water-conducting layer is arranged between the planting layer and the gravel layer, and the water-conducting layer includes a plurality of water-conducting holes arranged obliquely in a stepped structure.
[0011] Compared with the prior art, the utility model has the following characteristics and beneficial effects:
[0012] 1. In the utility model, by setting the planting layer, planting holes and vegetation, the surface layer of the ground that is often washed by rainwater can be blocked by the vegetation, and the water in the nutrient soil can be absorbed, thereby reducing the downward penetration of water and ensuring the stability of the surface soil. At the same time, the vegetation can absorb carbon dioxide and release oxygen, thereby purifying the air and improving the environment, and reducing the surface runoff of the land, which is beneficial to soil and water conservation and ecological protection.
[0013] 2. In the utility model, by setting the expansion layer, and setting the expansion material and reinforcing ribs in the expansion layer, the foundation settlement and soil side pressure can be effectively resisted, the service life of the foundation is extended, and the foundation maintenance cost is reduced;
[0014] 3. In the utility model, by setting up the crushed stone layer, there are larger pore spaces between the crushed stones, which can promote the discharge and seepage of water, prevent soil liquefaction, and improve the stability of the foundation. At the same time, the crushed stones can disperse and transfer the load borne by the cement piles to a certain extent, reduce the local stress of the cement piles, help to improve the bearing capacity and uniformity of the foundation, increase the overall stability of the soil, and prevent the soil from loosening and settling under vibration or load. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;
[0016] Figure 2 It is a top view structural schematic diagram of the utility model.
[0017] The accompanying drawings are marked as follows: 100, reinforcement barrel; 101, planting layer; 102, planting hole; 103, water-conducting layer; 104, gravel layer; 105, expansion layer; 106, reinforcement ribs; 107, sleeve; 108, casting layer; 109, inserted rod; 110, barbed rod; 111, drainage hole; 200, pile body; 300, vegetation. DETAILED DESCRIPTION
[0018] The present invention will be described in more detail below in conjunction with the embodiments.
[0019] like Figures 1 to 2 As shown, the uniaxial cement mixing pile foundation reinforcement structure of this embodiment includes a reinforcement barrel 100 sleeved on the head of the pile body 200, and the reinforcement barrel 100 includes a planting layer 101, a gravel layer 104, an expansion layer 105 and a casting layer 108 arranged in sequence from top to bottom, the planting layer 101 is filled with nutrient soil, and a plurality of planting holes 102 are arranged at the top of the planting layer 101, and each planting hole 102 is provided with vegetation 300 planted in the nutrient soil, the gravel layer 104 is filled with a plurality of gravels, the expansion layer 105 is filled with water-absorbing and expandable expansion material, and a plurality of reinforcing ribs 106 are also arranged in the expansion layer 105, and a plurality of drainage holes 111 are arranged on the casting layer 108, and one end of the drainage hole 111 is arranged on the top surface of the casting layer 108, and the other end is arranged on the outer side surface of the casting layer 108.
[0020] From the above description, it can be seen that the beneficial effects of the utility model are: by setting the planting layer 101, the planting hole 102 and the vegetation 300, in the surface layer of the ground that is often washed by rainwater, the vegetation 300 can not only prevent the dripping rainwater from washing the ground soil layer, but also absorb the moisture in the nutrient soil, reduce the downward penetration of moisture, and ensure the stability of the surface soil. At the same time, the vegetation 300 can absorb carbon dioxide and release oxygen, play a role in purifying the air and improving the environment, and also reduce the surface runoff of the land, which is beneficial to soil and water conservation and ecological protection;
[0021] By setting the expansion layer 105 and setting the expansion material and the reinforcing ribs 106 in the expansion layer 105, the foundation settlement and the soil side pressure can be effectively resisted, the service life of the foundation is extended, and the foundation maintenance cost is reduced;
[0022] By setting the gravel layer 104, there are large pore spaces between the gravels, which can promote the discharge and seepage of water, prevent soil liquefaction, and improve the stability of the foundation. At the same time, the gravels can disperse and transfer the load borne by the cement piles to a certain extent, reduce the local stress of the cement piles, help improve the bearing capacity and uniformity of the foundation, increase the overall stability of the soil, and prevent the soil from loosening and settling under vibration or load.
[0023] The pouring layer 108 is provided with drainage holes 111, which can effectively drain groundwater and rainwater, avoid moisture retention in the foundation, reduce the weak layer of the foundation, and improve the anti-waterlogging ability of the foundation.
[0024] Furthermore, a sleeve 107 is provided on the inner side of the expansion layer 105 and is sleeved outside the pile body 200. The sleeve 107 is a truncated cone structure that is narrow at the top and wide at the bottom. The narrow at the top and wide at the bottom design of the sleeve 107 can better disperse the load of the cement pile, reduce local stress concentration, and improve the bearing capacity and stability of the foundation. At the same time, the sleeve 107 as a connecting component can effectively strengthen the connection stability between the expansion layer 105 and the cement pile, and prevent structural loosening or cracking when the foundation is subjected to external loads.
[0025] Furthermore, the expansion layer 105 is filled with a number of stones. The stones have a high compressive strength. Filling the expansion layer 105 can effectively increase the compressive resistance of the overall structure and improve the bearing capacity of the foundation.
[0026] Furthermore, a plurality of rods 109 inserted into the soil are fixed to the top of the casting layer 108, and a plurality of barbed rods 110 are arranged on the rods 109. The arrangement of the rods 109 increases the connection strength between the reinforcement structure and the soil, and improves the overall stability and bearing capacity.
[0027] Furthermore, a water-conducting layer 103 is provided between the planting layer 101 and the gravel layer 104. The water-conducting layer 103 includes a plurality of water-conducting holes arranged in an oblique and stepped structure. The water-conducting holes arranged in an oblique and stepped structure prevent water flow from scouring the gravel layer 104, thereby improving stability.
[0028] In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.
[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of 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.
Claims
1. A uniaxial cement mixing pile foundation reinforcement structure, Features: The invention comprises a reinforcement barrel (100) sleeved on the head of a pile body (200), wherein the reinforcement barrel (100) comprises a planting layer (101), a crushed stone layer (104), an expansion layer (105) and a casting layer (108) which are arranged in sequence from top to bottom, wherein the planting layer (101) is filled with nutrient soil, a plurality of planting holes (102) are arranged at the top of the planting layer (101), and each of the planting holes (102) is provided with vegetation (300) planted in the nutrient soil, the crushed stone layer (104) is filled with a plurality of crushed stones, the expansion layer (105) is filled with a water-absorbing and expandable expansion material, and a plurality of reinforcing ribs (106) are also arranged in the expansion layer (105), and a plurality of drainage holes (111) are arranged on the casting layer (108), and one end of the drainage hole (111) is arranged on the top surface of the casting layer (108), and the other end is arranged on the outer side surface of the casting layer (108).
2. A uniaxial cement mixing pile foundation reinforcement structure according to claim 1, Features: A sleeve (107) is arranged inside the expansion layer (105) and sleeved outside the pile body (200). The sleeve (107) is arranged in a truncated cone structure that is narrow at the top and wide at the bottom.
3. A uniaxial cement mixing pile foundation reinforcement structure according to claim 2, Features: The expansion layer (105) is also filled with a number of stones.
4. A uniaxial cement mixing pile foundation reinforcement structure according to claim 1, Features: A plurality of insertion rods (109) inserted into the soil body are fixed to the top of the pouring layer (108), and a plurality of barbed rods (110) are arranged on the insertion rods (109).
5. The uniaxial cement mixing pile foundation reinforcement structure according to claim 1, Features: A water-conducting layer (103) is also arranged between the planting layer (101) and the gravel layer (104), and the water-conducting layer (103) comprises a plurality of water-conducting holes arranged obliquely in a stepped structure.