A reinforcing structure for loose soil ground foundations

Abstract

This invention relates to the field of foundation reinforcement technology and discloses a reinforcement structure for loose soil foundations, including mounting supports. Multiple sets of mounting supports are provided, and each set has a corresponding soil-inserting support at its bottom. The soil-inserting support penetrates vertically through the mounting support and inserts into the loose soil. This soil-inserting support provides vertical load-bearing capacity and soil anchoring. Each set of mounting supports is equipped with a protective component on its outer side, forming a closed enclosure structure that prevents erosion of the loose soil. This reinforcement structure for loose soil foundations utilizes a combination of a large-diameter fixing seat and a conical insertion cone at the bottom of the soil-inserting support. The insertion cone reduces the resistance during soil insertion, and the fixing seat engages with the deep loose soil over a large area, significantly increasing the vertical friction and end bearing capacity of the single pile. This enhances the vertical bearing capacity in the loose soil and effectively suppresses uneven foundation settlement.

Description

Technical Field

[0001] This invention relates to the field of foundation reinforcement technology, specifically a reinforcement structure for loose soil foundations. Background Technology

[0002] Loose soil foundations, such as soft silt, sandy silt, and backfill soil, have high porosity, high compressibility, and low shear strength. Under the influence of building loads, rainwater soaking, and groundwater level fluctuations, they are prone to uneven settlement, sliding and collapse, which directly leads to cracking, tilting and damage of the superstructure.

[0003] Currently, traditional reinforced piles lack an external protective structure, allowing loose soil to continuously erode the surrounding soil and reduce foundation stability. Pile groups are connected only by simple steel reinforcement laps, resulting in insufficient connection rigidity. Multiple piles cannot form a unified load-bearing system, and individual piles are prone to independent settlement under overload. Furthermore, the lack of layered, detachable reinforcement frame structures makes it impossible to add or remove reinforcement components based on soil softness, leading to poor adaptability. The lack of sealing and stable support structures at the pile ends where they contact the soil allows groundwater and sediment to continuously intrude into the pile connection components, easily causing jamming and failure, and making subsequent maintenance and replacement difficult.

[0004] Existing loose soil foundation reinforcement structures suffer from problems such as long construction period, weak immediate bearing capacity, poor horizontal sliding resistance, insufficient soil locking capacity, lack of integrated protection, poor overall integrity of pile groups, low adaptability, and insufficient corrosion resistance. They cannot meet the needs of rapid reinforcement of loose foundations in small, lightweight structures and scattered plots. Summary of the Invention

[0005] The purpose of this invention is to provide a reinforcement structure for loose soil foundations, in order to solve the problems mentioned in the background art, such as the lack of a closed retaining structure on the outside of the traditional reinforced pile, the continuous erosion of loose soil by the flow of loose soil, which reduces the stability of the foundation, the insufficient connection stiffness of the pile group relying only on simple steel reinforcement lap splices, the inability of multiple piles to form an integral load-bearing system, and the easy occurrence of independent settlement of a single pile under overload.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a reinforcement structure for loose soil foundation, comprising mounting supports, wherein multiple sets of mounting supports are provided, and each set of mounting supports is correspondingly matched with a soil-inserting support at its bottom. The soil-inserting support penetrates vertically through the mounting support and is inserted into the loose soil. The soil-inserting support is used to provide vertical bearing and soil anchoring. Each set of mounting supports is equipped with a protective component on its outer side. The protective component covers the outer side of the soil-inserting support to form a closed enclosure structure, preventing erosion of loose soil and corrosion by groundwater.

[0007] A reinforcing component is detachably assembled between two adjacent sets of the protective components. The reinforcing component is laterally connected to all the protective components, so that multiple sets of soil-inserted support members form an overall cohesive and stress-bearing foundation reinforcement structure.

[0008] The soil insertion support includes a connecting rod, which is vertically positioned. A fixed base is fixedly connected to the bottom of the connecting rod, and an insertion cone is integrally formed at the lower end of the fixed base. The insertion cone is used to break through and insert into loose soil layers. Workers prefabricate all installation supports, soil insertion supports, protective components, and reinforcement components according to the area and bearing capacity requirements of the loose foundation. The soil insertion support is passed through the central through-hole of the installation support from top to bottom, and downward pressure is applied. The conical tip of the insertion cone at the bottom breaks through the loose soil layer first, reducing soil insertion resistance. The fixed base sinks synchronously with the insertion cone to the designed reinforcement depth. After sinking to the designated depth, a snap-fit ​​ring is inserted into the annular groove on the outer ring of the fixed base, and an outer protective plate is fitted onto the outer wall of the connecting rod to isolate the soil and gravel from directly rubbing against the main body of the connecting rod, thus achieving foundation protection for the rod.

[0009] Furthermore, the connecting rod vertically penetrates the central through hole of the mounting support, which is a hollow annular seat. The top surface of the mounting support is used to bear the loads of the superstructure, photovoltaic bracket, and enclosure structure. The superstructure is directly erected and fixed to the top surface of all mounting supports. The vertical load of the structure is transferred to the soil insertion support through the mounting supports, and then transferred to the deep stable soil layer by the insertion cone and the fixed seat. The horizontal sliding load is jointly offset by the overall frame of the reinforcement component, the enclosure structure of the protective component, and the soil interlocking structure, thereby achieving long-term stable reinforcement of the loose soil foundation.

[0010] Furthermore, the outer ring of the fixing seat is equipped with a snap-fit ​​ring, which enables the limiting assembly of the soil-inserting support and the protective component. The outer wall of the connecting rod is fitted with an outer protective plate. After all the soil-inserting support components are inserted into the soil layer, the insertion cone and fixing seat are deeply buried in the soil. Relying on the cone surface, the end face of the fixing seat and the large-area compression and interlocking with the loose soil, a vertical anchoring support is formed, which disperses the upper vertical load and suppresses single-point settlement.

[0011] Furthermore, the insertion cone has a tapered tip structure, the outer diameter of the insertion cone is smaller than the outer diameter of the fixing seat, the fixing seat has an annular groove on its outer periphery, and the retaining ring is embedded in the annular groove.

[0012] Furthermore, the protective component includes multiple docking plates, which are spliced ​​together to form a protective outer frame. Positioning seats are located at the top and bottom of each docking plate, and a stabilizing support is fixedly installed at the bottom of each positioning seat to reinforce the alignment and connection of the component. Workers splice the multiple docking plates end-to-end, inserting the top and bottom ends into the positioning seats to form a rectangular closed protective outer frame. The enclosure plate, docking plates, and covered arc groove combine to form a complete closed enclosure structure, preventing water erosion and scouring of the surrounding loose soil and the soil around the pile, while simultaneously isolating the internal structural members from corrosive soil media.

[0013] Furthermore, the stabilizing support includes a mounting base, which is bolted to the mounting support. A protective plate is fixedly installed at the bottom of the mounting base, and the protective plate is located on the outside of the fixed base. A covered arc groove is provided between the protective plate and the snap-fit ​​ring. Workers align the mounting base with the bolt holes on the side wall of the mounting support and tighten the bolts to complete the rigid connection between the stabilizing support and the mounting support. The protective plate of the stabilizing support is inserted into the soil and supported on the outside of the fixed base. The covered arc groove snaps downwards onto the snap-fit ​​ring that wraps around the outer ring of the fixed base. The gap between the covered arc groove and the snap-fit ​​ring is filled with waterproof sealant to seal the bottom soil and prevent groundwater from intruding upwards.

[0014] Furthermore, the enclosure plate extends along the length of the connecting rod, the covering arc groove wraps around the outer periphery of the snap ring to form a bottom sealing protection, the inner wall of the covering arc groove fits the outer circular surface of the snap ring, and the space between the covering arc groove and the snap ring is filled with waterproof sealing filler.

[0015] Furthermore, the reinforcement component includes a connecting plate, on which reinforcement frames are fixedly installed on both sides. A connecting strip is fixedly installed in the middle of the outer surface of the connecting plate, and the connecting strip runs horizontally through multiple sets of reinforcement frames to achieve a rigid connection between them. The outer side of each installation support and soil insertion support is completely covered by the protective component, completing the construction of an independent protective unit for a single reinforced pile. Workers then remove a single set of reinforcement frames and snap it into place with the two adjacent sets of protective components. The abutment on the inner side of the bending frame tightly fits against the inner wall of the connecting plate, limiting the lateral and vertical displacement of the reinforcement frame. The connecting plate vertically connects the upper and lower layers of bending frames, forming a rigid rectangular frame structure, thus improving the bending and shear strength of the single set of reinforcement frames.

[0016] Furthermore, the reinforcement frame includes a mounting block, which is fixedly connected to the connecting plate. A bending frame is fixedly mounted on the surface of the mounting block. Multiple sets of bending frames are arranged symmetrically vertically. A stop block is fixedly mounted on the surface of each bending frame, and the stop block abuts against the inner wall of the connecting plate. Workers insert connecting strips horizontally through the through-holes in the connecting plate and connect them to the protective components on both sides, thus rigidly connecting all horizontal protective components and soil-inserting supports. If the foundation soil is highly loose and has poor bearing capacity, multiple layers of reinforcement components can be stacked between adjacent protective components. These multiple layers of reinforcement frames are arranged vertically and horizontally, with multiple connecting strips connected synchronously to improve overall lateral stiffness.

[0017] Furthermore, the bending frame is arranged symmetrically in two layers, and the abutment block is integrally formed on the inner side of the bending frame. The abutment block is tightly fitted and limited to the inner wall of the connecting plate. The connecting plate vertically connects the ends of the upper and lower bending frames to form a hollow rectangular reinforcement frame. After all the structures are assembled, the workers backfill loose foundation soil into the outer side of the protective components and the gaps between the reinforcement frames, compacting it in layers. The backfill soil is tightly fitted into the outer wall of the protective components and the U-shaped groove on the outer side of the bending frame of the reinforcement components. The soil is embedded in the groove of the bending frame to form a soil lock structure. When the foundation tends to slide horizontally, the soil and the reinforcement frame interlock and lock each other, thereby restraining the soil displacement.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] (i) The reinforcement structure for loose soil foundation is achieved by setting a large-diameter fixed seat and a conical insertion cone combination structure at the bottom of the soil insertion support. The insertion cone reduces the resistance of soil insertion construction, and the fixed seat is squeezed and interlocked with the deep loose soil over a large area, which greatly improves the vertical friction force and end bearing capacity of the single pile, and the vertical bearing capacity in the loose soil is improved, effectively suppressing uneven settlement of the foundation.

[0020] (ii) This reinforcement structure for loose soil foundations has multiple sets of soil-inserted support components that are rigidly connected through reinforcement components. The single-point load can be quickly distributed to all surrounding support components, avoiding local collapse due to overload of a single pile. It is suitable for the load requirements of various structures such as small buildings, photovoltaic brackets, and fences.

[0021] (iii) The reinforcement structure for loose soil foundation adopts a symmetrical U-shaped bending frame structure for the reinforcement components. The backfill soil is embedded in the groove of the bending frame to form a composite soil lock structure. The loose soil and the metal reinforcement frame interlock with each other, which greatly improves the overall foundation's resistance to horizontal sliding and soil flow erosion, and avoids the soft soil from laterally flowing and hollowing out the foundation after being soaked by rainwater.

[0022] (iv) The reinforcement structure for loose soil foundations is designed with multi-layer stackable reinforcement frames. The number of reinforcement layers can be flexibly increased or decreased according to the looseness of the foundation soil. Extreme loose soil layers with high silt and high quicksand can be reinforced in multiple layers, adapting to different geological conditions and with strong structural adaptability.

[0023] (v) This reinforcement structure for loose soil foundations uses protective components consisting of retaining panels, covered arc grooves, and connecting plates to form a complete closed retaining cavity. It covers the soil-inserting support connecting rods and locking rings, and fills the space between the covered arc grooves and locking rings with sealing material. This blocks the intrusion channels of groundwater and sediment from the bottom, preventing sediment from getting stuck at the locking points and causing corrosion and wear of the rods. The outer protective panel isolates sand and gravel, preventing direct friction between sand and gravel and the connecting rods. The retaining structure isolates the main load-bearing rods from contact with acidic and alkaline corrosive media in the soil, reducing later maintenance and replacement costs. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is another schematic diagram of the overall structure of the present invention;

[0026] Figure 3 This is a disassembled schematic diagram of the overall structure of the present invention;

[0027] Figure 4 This is a schematic diagram of the protective component structure of the present invention;

[0028] Figure 5 This is another schematic diagram of the protective components and structure of the present invention;

[0029] Figure 6 This is a schematic diagram of the reinforcement frame structure of the present invention;

[0030] Figure 7 This is a schematic diagram of the soil-inserting support structure of the present invention;

[0031] Figure 8 This is an enlarged schematic diagram of structure A of the present invention;

[0032] Figure 9 This is a disassembly diagram of the soil insertion support structure of the present invention.

[0033] In the diagram: 1. Mounting support; 2. Soil insertion support; 21. Connecting rod; 22. Outer protective plate; 23. Fixing seat; 24. Insertion cone; 25. Snap-fit ​​ring; 3. Protective component; 31. Butt joint plate; 32. Positioning seat; 33. Stabilizing support; 331. Mounting seat; 332. Enclosure plate; 333. Covered arc groove; 4. Reinforcing component; 41. Reinforcing frame; 411. Bending frame; 412. Mounting block; 413. Abutment block; 42. Connecting plate; 43. Connecting strip. Detailed Implementation

[0034] Example 1, as Figures 1 to 9 As shown, the present invention provides a technical solution: a reinforcement structure for loose soil foundation, including an installation support 1, wherein multiple sets of installation supports 1 are provided, and the bottom of each set of installation supports 1 is correspondingly matched with a soil insertion support 2. The soil insertion support 2 penetrates the installation support 1 vertically and is inserted into the loose soil. The soil insertion support 2 is used to provide vertical bearing and soil anchoring. Each set of installation supports 1 is equipped with a protective component 3 on the outside. The protective component 3 covers the outside of the soil insertion support 2 to form a closed enclosure structure, which prevents the loose soil from being eroded and groundwater from being corroded.

[0035] A reinforcing component 4 is detachably assembled between two adjacent sets of protective components 3. The reinforcing component 4 is laterally connected to all protective components 3, so that multiple sets of soil-inserted support members 2 form an overall coordinated foundation reinforcement structure.

[0036] The soil insertion support component 2 includes a connecting rod 21, which is vertically arranged. A fixing seat 23 is fixedly connected to the bottom end of the connecting rod 21. An insertion cone 24 is integrally formed at the lower end of the fixing seat 23. The insertion cone 24 is used to break through and insert into the loose soil layer. Workers prefabricate all the installation supports 1, soil insertion support components 2, protective components 3, and reinforcement components 4 according to the area and bearing capacity requirements of the loose foundation. The soil insertion support component 2 is passed through the central through hole of the installation support 1 from top to bottom, and downward pressure is applied. The conical tip of the insertion cone 24 at the bottom first breaks through the loose soil layer, reducing the soil insertion resistance. The fixing seat 23 sinks synchronously with the insertion cone 24 to the designed reinforcement depth. After sinking into place, a snap-fit ​​ring 25 is inserted into the annular groove of the fixing seat 23, and an outer protective plate 22 is fitted onto the outer wall of the connecting rod 21 to isolate the soil and gravel from directly rubbing against the main body of the connecting rod 21, thus achieving foundation protection for the component.

[0037] The connecting rod 21 vertically penetrates the central through hole of the mounting support 1. The mounting support 1 is a hollow annular seat. The top surface of the mounting support 1 is used to bear the load of the superstructure, photovoltaic support, and enclosure structure. The superstructure is directly erected and fixed to the top surface of all mounting supports 1. The vertical load of the structure is transferred to the soil insertion support 2 through the mounting supports 1. The vertical load is transferred to the deep stable soil layer by the insertion cone 24 and the fixing seat 23. The horizontal sliding load is jointly offset by the overall frame of the reinforcement component 4, the enclosure structure of the protection component 3, and the soil interlocking structure, so as to achieve long-term stable reinforcement of the loose soil foundation.

[0038] The outer ring of the fixing seat 23 is equipped with a snap-fit ​​ring 25, which realizes the limiting assembly of the soil insertion support 2 and the protective component 3. The outer wall of the connecting rod 21 is fitted with an outer protective plate 22. After all the soil insertion support 2 sets are inserted into the soil layer, the insertion cone 24 and the fixing seat 23 are deeply buried in the soil. Relying on the cone surface, the end face of the fixing seat and the loose soil, a large area of ​​compression and interlocking is formed to form a vertical anchoring support point, which disperses the upper vertical load and suppresses single-point settlement.

[0039] The insertion cone 24 has a tapered tip structure. The outer diameter of the insertion cone 24 is smaller than the outer diameter of the fixing seat 23. An annular groove is opened on the outer periphery of the fixing seat 23, and the snap ring 25 is embedded in the annular groove.

[0040] Example 2, based on Example 1, such as Figures 7 to 8 As shown, the protective component 3 includes a docking plate 31, of which multiple docking plates 31 are provided. These multiple docking plates 31 are spliced ​​together to form a protective outer frame. Positioning seats 32 are provided at the upper and lower ends of the docking plates 31. A stabilizing support 33 is fixedly installed at the bottom of the positioning seat 32 for reinforcing the alignment and engagement of the component 4. Workers splice the multiple docking plates 31 end to end, inserting the upper and lower ends into the positioning seats 32 to form a rectangular closed protective outer frame. The enclosure plate 332, docking plates 31, and covering arc groove 333 combine to form a complete closed enclosure structure, preventing water flow from eroding and hollowing out the soil around the pile, while also isolating the soil corrosive medium from contacting the internal rods.

[0041] The stabilizing support 33 includes a mounting base 331, which is bolted to the mounting support 1. A protective plate 332 is fixedly installed at the bottom of the mounting base 331. The protective plate 332 is located on the outside of the fixed base 23. A covered arc groove 333 is provided between the protective plate 332 and the snap ring 25. The operator aligns the mounting base 331 with the bolt holes on the side wall of the mounting support 1 and uses fastening bolts to lock it in place, completing the rigid connection between the stabilizing support 33 and the mounting support 1. The protective plate 332 of the stabilizing support 33 is inserted into the soil and supports the outside of the fixed base 23. The covered arc groove 333 snaps downwards to the snap ring 25 that wraps around the outer ring of the fixed base 23. The gap between the covered arc groove 333 and the snap ring 25 is filled with waterproof sealing material to seal the bottom soil and the upward intrusion channel of groundwater.

[0042] The enclosure panel 332 extends along the length of the connecting rod 21. The covering arc groove 333 wraps around the outer periphery of the snap ring 25 to form a bottom sealing protection. The inner wall of the covering arc groove 333 fits the outer circular surface of the snap ring 25. Waterproof sealing filler is filled between the covering arc groove 333 and the snap ring 25.

[0043] Example 3, based on Examples 1 and 2, such as Figures 2 to 6As shown, the reinforcement component 4 includes a connecting plate 42. Reinforcing frames 41 are fixedly installed on both sides of the outer surface of the connecting plate 42. A connecting strip 43 is fixedly installed in the middle of the outer surface of the connecting plate 42. The connecting strip 43 passes horizontally through multiple sets of reinforcing frames 41, realizing a rigid connection between the multiple sets of reinforcing frames 41. The outer side of a single set of mounting supports 1 and soil insertion supports 2 is completely covered by the protective component 3, completing the construction of an independent protective unit for a single reinforced pile. The workers then take out a single set of reinforcing frames 41 and snap it into place with the two adjacent sets of protective components 3. The abutment block 413 on the inner side of the bending frame 411 is tightly attached to the inner wall of the connecting plate 42, limiting the lateral and vertical displacement of the reinforcing frame 41. The connecting plate 42 vertically connects the upper and lower layers of bending frames 411, forming a rigid rectangular frame structure, which improves the bending and shear strength of the single set of reinforcing frames 41.

[0044] The reinforcing frame 41 includes a mounting block 412, which is fixedly connected to the connecting plate 42. A bending frame 411 is fixedly mounted on the surface of the mounting block 412. Multiple sets of bending frames 411 are arranged symmetrically vertically. A stop block 413 is fixedly mounted on the surface of the bending frame 411, and the stop block 413 abuts against the inner wall of the connecting plate 42. The worker inserts a connecting strip 43 horizontally through the through hole of the connecting plate 42 and connects it to the protective components 3 on both sides, thus rigidly connecting all the horizontal protective components 3 and the soil-inserting support 2. If the foundation soil is highly loose and has poor bearing capacity, multiple layers of reinforcing components 4 can be stacked and assembled between adjacent protective components 3. The multi-layer reinforcing frame 41 is arranged vertically in layers, and the multiple layers of connecting strips 43 are connected synchronously to improve the overall horizontal stiffness.

[0045] The bending frame 411 is arranged symmetrically in two layers. The abutment block 413 is integrally formed on the inner side of the bending frame 411. The abutment block 413 is tightly fitted and limited to the inner wall of the connecting plate 42. The connecting plate 42 vertically connects the ends of the upper and lower layers of bending frames 411, forming a hollow rectangular reinforced frame. After all the structures are assembled, the workers backfill the loose foundation soil to the outside of the protective component 3 and the gaps in the reinforced frame 41, and compact it in layers. The backfill soil is tightly fitted to the outer wall of the protective component 3 and the U-shaped groove on the outside of the bending frame 411 of the reinforced component 4. The soil is embedded in the groove of the bending frame 411 to form a soil lock structure. When the foundation has a tendency to slide horizontally, the soil and the reinforced frame 41 interlock and lock each other, thereby restraining the soil displacement.

[0046] During use, workers prefabricate all components—installation supports 1, soil insertion supports 2, protective components 3, and reinforcement components 4—based on the area of ​​loose foundation and bearing capacity requirements. The soil insertion supports 2 are inserted from top to bottom through the central through-hole of the installation supports 1, applying downward pressure. The bottom end of the cone 24 is inserted, its conical tip breaking through the loose soil layer to reduce insertion resistance. The fixing seat 23 follows the insertion cone 24, sinking synchronously to the designed reinforcement depth. After sinking to the designated depth, the outer annular groove of the fixing seat 23 is fitted with a locking ring 25, and an outer protective plate 22 is fitted onto the outer wall of the connecting rod 21 to prevent direct friction between soil and gravel against the main body of the connecting rod 21, thus achieving foundation protection for the rod.

[0047] After all the multiple sets of soil-inserting support members 2 are inserted into the soil layer, the insertion cone 24 and the fixing seat 23 are deeply buried inside the soil. The cone surface and the end face of the fixing seat are squeezed and interlocked with the loose soil over a large area to form a vertical anchoring support point, which disperses the upper vertical load and suppresses single-point settlement.

[0048] The staff aligned the mounting base 331 with the bolt holes on the side wall of the mounting support 1 and tightened it with bolts to complete the rigid connection between the stabilizing support 33 and the mounting support 1. The protective plate 332 of the stabilizing support 33 was inserted into the soil and supported on the outside of the fixed base 23. The covered arc groove 333 was snapped downward to the snap ring 25 that wrapped the outer ring of the fixed base 23. The gap between the covered arc groove 333 and the snap ring 25 was filled with waterproof sealant to seal the bottom soil and the upward intrusion channel of groundwater.

[0049] Workers spliced ​​multiple connecting plates 31 end to end, and inserted the upper and lower ends into the positioning seat 32 to form a rectangular closed protective frame. The enclosure plate 332, connecting plate 31, and covering arc groove 333 combined to form a complete closed enclosure structure, which prevents the surrounding loose soil from being washed away by water flow and hollowed out the soil around the pile, while isolating the soil corrosive medium from contacting the internal rods.

[0050] The single-unit installation support 1 and the soil insertion support 2 are completely covered with the protective component 3, completing the construction of an independent protective unit for a single reinforced pile. The workers then take out the single-unit reinforcement frame 41 and snap it into place with the two adjacent sets of protective components 3 on the left and right. The abutment block 413 on the inner side of the bending frame 411 is tightly attached to the inner wall of the connecting plate 42, limiting the lateral and vertical displacement of the reinforcement frame 41. The connecting plate 42 vertically connects the upper and lower layers of bending frames 411, forming a rigid rectangular frame structure, which improves the bending and shear strength of the single-unit reinforcement frame 41 itself.

[0051] Workers insert the connecting strip 43 horizontally through the through hole of the connecting plate 42 and connect it to the protective components 3 on both sides, so that all the protective components 3 and the soil-inserting support 2 are rigidly connected horizontally. If the foundation soil is soft and has poor bearing capacity, multiple layers of reinforcement components 4 can be stacked between adjacent protective components 3. The multi-layer reinforcement frame 41 is arranged in layers, and the multi-layer connecting strips 43 are connected simultaneously to improve the overall lateral stiffness.

[0052] After all the structures are assembled, the workers backfill the loose foundation soil on the outside of the protective component 3 and the gap of the reinforcing frame 41, and compact it in layers. The backfill soil is tightly attached to the outer wall of the protective component 3 and the U-shaped groove on the outside of the bending frame 411 of the reinforcing component 4. The soil is embedded in the groove of the bending frame 411 to form a soil lock structure. When the foundation has a tendency to slide horizontally, the soil and the reinforcing frame 41 interlock and lock each other, thereby restraining the displacement of the soil.

[0053] The superstructure is directly erected and fixed to the top surface of all the installation supports 1. The vertical load of the structure is transferred to the soil insertion support 2 through the installation supports 1. The vertical load is transferred to the deep stable soil layer by the insertion cone 24 and the fixing seat 23. The horizontal sliding load is offset by the overall frame of the reinforcement component 4, the enclosure structure of the protection component 3, and the soil interlocking structure, so as to achieve long-term stable reinforcement of the loose soil foundation.

Claims

1. A reinforcement structure for loose soil foundations, characterized in that, The system includes an installation support (1), which is provided in multiple sets. Each set of installation supports (1) is matched with a soil insertion support (2) at its bottom. The soil insertion support (2) penetrates the installation support (1) vertically and is inserted into the loose soil. The soil insertion support (2) is used to provide vertical bearing and soil anchoring. Each set of installation supports (1) is equipped with a protective component (3) on its outside. The protective component (3) covers the outside of the soil insertion support (2) to form a closed enclosure structure, which prevents the loose soil from being eroded and groundwater from being corroded. A reinforcing component (4) is detachably assembled between two adjacent sets of the protective components (3). The reinforcing component (4) is laterally connected to all the protective components (3), so that multiple sets of soil-inserted support members (2) form an overall synergistic foundation reinforcement structure. The soil insertion support (2) includes a connecting rod (21), which is vertically arranged. A fixed seat (23) is fixedly connected to the bottom end of the connecting rod (21). An insertion cone (24) is integrally formed at the lower end of the fixed seat (23). The insertion cone (24) is used to break the soil and insert into the loose soil layer.

2. The reinforcement structure for loose soil foundations according to claim 1, characterized in that: The connecting rod (21) vertically penetrates the central through hole of the mounting support (1). The mounting support (1) is a hollow ring-shaped seat. The top surface of the mounting support (1) is used to bear the load of the upper building, photovoltaic bracket, and enclosure structure.

3. The reinforcement structure for loose soil foundations according to claim 2, characterized in that: The outer ring of the fixed base (23) is equipped with a snap ring (25), which realizes the limiting assembly of the soil insertion support (2) and the protective component (3). The outer wall of the connecting rod (21) is fitted with an outer protective plate (22).

4. The reinforcement structure for loose soil foundations according to claim 3, characterized in that: The insertion cone (24) has a tapered tip structure. The outer diameter of the insertion cone (24) is smaller than the outer diameter of the fixing seat (23). An annular groove is opened on the outer periphery of the fixing seat (23), and the snap ring (25) is embedded in the annular groove.

5. A reinforcement structure for loose soil foundations according to claim 1, characterized in that: The protective component (3) includes a docking plate (31), which is provided in multiple pieces. The multiple docking plates (31) are spliced ​​together to form a protective outer frame. The upper and lower ends of the docking plate (31) are provided with positioning seats (32), and the bottom of the positioning seat (32) is fixedly installed with a stable support (33) for reinforcing the alignment and snapping of the component (4).

6. A reinforcement structure for loose soil foundations according to claim 5, characterized in that: The stabilizing support (33) includes a mounting base (331), which is bolted to the mounting support (1). A guard plate (332) is fixedly installed at the bottom of the mounting base (331). The guard plate (332) is located on the outside of the fixed base (23). A covered arc groove (333) is provided between the guard plate (332) and the snap ring (25).

7. A reinforcement structure for loose soil foundations according to claim 6, characterized in that: The enclosure panel (332) extends along the length of the connecting rod (21), the covering arc groove (333) wraps around the outer periphery of the snap ring (25) to form a bottom sealing protection, the inner wall of the covering arc groove (333) fits the outer circular surface of the snap ring (25), and the space between the covering arc groove (333) and the snap ring (25) is filled with waterproof sealing filler.

8. A reinforcement structure for loose soil foundations according to claim 1, characterized in that: The reinforcement component (4) includes a connecting plate (42), on both sides of the outer surface of the connecting plate (42) are fixedly installed reinforcement frames (41), and a connecting strip (43) is fixedly installed in the middle of the outer surface of the connecting plate (42). The connecting strip (43) passes through multiple sets of reinforcement frames (41) laterally to achieve a rigid connection between the multiple sets of reinforcement frames (41).

9. A reinforcement structure for loose soil foundations according to claim 8, characterized in that: The reinforcing frame (41) includes a mounting block (412), which is fixedly connected to the connecting plate (42). A bending frame (411) is fixedly installed on the surface of the mounting block (412). Multiple sets of bending frames (411) are provided, and the multiple sets of bending frames (411) are arranged symmetrically up and down. A stop block (413) is fixedly installed on the surface of the bending frame (411), and the stop block (413) abuts against the inner wall of the connecting plate (42).

10. A reinforcement structure for loose soil foundations according to claim 9, characterized in that: The bending frame (411) is arranged symmetrically in two layers. The abutment (413) is integrally formed on the inner side of the bending frame (411). The abutment (413) is tightly fitted and limited to the inner wall of the connecting plate (42). The connecting plate (42) is vertically connected to the ends of the upper and lower bending frames (411) to form a hollow rectangular reinforced frame.

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