CN221119323U - Building/structure foundation correcting and reinforcing structure - Google Patents
Building/structure foundation correcting and reinforcing structure Download PDFInfo
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- CN221119323U CN221119323U CN202322744175.0U CN202322744175U CN221119323U CN 221119323 U CN221119323 U CN 221119323U CN 202322744175 U CN202322744175 U CN 202322744175U CN 221119323 U CN221119323 U CN 221119323U
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- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 10
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
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- 238000009424 underpinning Methods 0.000 description 3
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- 238000001514 detection method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
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- 230000009897 systematic effect Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a building/structure foundation inclination correction reinforcing structure, which is constructed by utilizing an original pile foundation bearing platform, wherein the original pile foundation bearing platform is a step bearing platform, and the reinforcing structure comprises a reinforcing bearing platform positioned at the step parts of a second step bearing platform and a third step bearing platform of the original pile foundation bearing platform, a cup rim foundation positioned on the reinforcing bearing platform and a jack deviation correcting device positioned in the cup rim foundation; the reinforced bearing platform is connected with the second and third-stage bearing platforms through a plurality of planted bars, the edge of the reinforced bearing platform horizontally extends out of the third-stage bearing platform, a plurality of groups of anchor rod static pressure piles are constructed in the extending area, and pile bodies of the anchor rod static pressure piles extend to the area below the bottom surface of the original pile foundation bearing platform. The utility model discloses combine static pressure stock stake construction process, add rim of a cup counter-force beam and reinforce former basis reinforcement as the counter-force support, the construction difficulty that the operation place space of rectifying is limited, conventional equipment can't enter the field implement and other counter-force facilities can't satisfy the top requirement has been solved to the high efficiency.
Description
Technical Field
The utility model relates to the technical field of foundation reinforcement and inclination correction of existing building foundations, in particular to a foundation inclination correction reinforcement structure of a building/structure.
Background
In recent years, with the vigorous development of the field of basic construction in China, various building structures pull out after spring bamboo shoots are rained, but deformation phenomena such as inclination or uneven settlement at different degrees occur during partial building construction and use due to various reasons.
The quality detection unit is used for carrying out systematic structure detection, identification and economic value evaluation on most inclined structures, the inclined structures still have high use value, the inclined rate and the settlement amount of the inclined structures can be adjusted through proper correction and reinforcement technology, and the project cost generated by correction and reinforcement is far less than the cost of dismantling and newly-built projects. Thus, the rectification technique is an important remedy, and is increasingly widely used in engineering applications.
The conventional inclination correction and reinforcement technology mainly comprises a soil excavation inclination correction method, a jacking inclination correction method, a broken pile inclination correction method and the like, and has the advantages and disadvantages of certain adoption limitations. The invention patent 'high-rise building foundation and structure integral lifting inclination correction construction method' of the prior application number 202111073201.0 provides a construction method which combines foundation settlement control and inclination correction technology, saves engineering cost and shortens construction period, and has the defects that a foundation slab is damaged easily in the lifting process, so that an upper structure is damaged, and secondary damage of a high-rise building is caused. The invention patent 'a building forced landing deviation rectifying device and a method using the same' of the prior application number 201711181924.6 provides a forced landing device and a method for automatically butting adjacent short steel pipes, avoiding manual frequent operation and improving working efficiency, and has the defects that the settlement rate of a building is difficult to control in the forced landing process, the construction period is long, and the potential safety hazard is large.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides a foundation inclination correcting structure for construction/construction, which can be used for construction in a narrow and complex field, can solve the trouble of poor geological conditions and no counter-force borrowing of the field, has no damage to the structure of a building (structure) during construction, is uniform in settlement, is safe and reliable, and has excellent suitability and popularization.
In order to achieve the technical aim, the utility model provides a building/structure foundation inclination correction reinforcing structure, which is constructed by utilizing an original pile foundation bearing platform, wherein the original pile foundation bearing platform is a step bearing platform and at least comprises a first step bearing platform surrounding a stand column, a second step bearing platform in the middle and a third step bearing platform at the lower part, and the reinforcing structure comprises a reinforcing bearing platform positioned at the step positions of the second step bearing platform and the third step bearing platform, a cup rim foundation positioned on the reinforcing bearing platform and a jack deviation correcting device positioned between the cup rim foundation and the first step bearing platform; the reinforcing bearing platforms are provided with two groups, the two groups are symmetrically arranged on two sides of the first-stage bearing platform, the side face and the bottom face of each group of reinforcing bearing platforms are respectively connected with the side face of the second-stage bearing platform and the top face of the third-stage bearing platform through a plurality of planting bars, the edges of each group of reinforcing bearing platforms horizontally extend out of the third-stage bearing platform, a plurality of groups of anchor rod static pressure piles are constructed in the extending areas, and pile bodies of the anchor rod static pressure piles extend to areas below the bottom face of the original pile foundation bearing platform.
The utility model further adopts the technical scheme that: the anchor rod static pressure pile comprises a steel pipe pile and an anchor bolt, the steel pipe pile is static pressure to an area below the bottom surface of the original pile foundation pile cap in a pile pressing hole reserved for a reinforcing pile cap through a jack, the anchor bolt is embedded at the left side and the right side of the steel pipe pile, cross steel bars are welded at the top of the anchor bolt, and the cross steel bars are arranged at the top end of the anchor bolt in an X shape.
The utility model has the preferable technical scheme that: the stand column is positioned at the center of the cup rim foundation, and the cup rim foundation is perpendicular to the reinforcing bearing platform; the jack deviation correcting devices are arranged on the inclined side of the upright post and are provided with a plurality of groups, and the jack deviation correcting devices are uniformly distributed along the first-stage bearing platform; each group of jack deviation correcting devices are placed in the cup rim foundation to push column feet of the column in a grading manner, and the jack deviation correcting devices are fixedly replaced by jacking irons or other permanent components after the column inclination rate reaches the standard.
The utility model has the preferable technical scheme that: the contact surfaces of the second-stage bearing platform, the third-stage bearing platform and the reinforcing bearing platform are roughened and drilled, the embedded bars are embedded into the drilled holes of the corresponding bearing platforms, and the embedded bars are welded with the reinforcement cage of the reinforcing bearing platform into a whole; the cup rim foundation and the reinforcing bearing platform are fixedly connected through reserved planted bars, and the whole cup rim foundation and the reinforcing bearing platform are formed by continuous casting.
The utility model has the preferable technical scheme that: the reinforcing structure further comprises early-strength fine stone concrete poured between the cup rim foundation and the first-stage bearing platform after correction is completed.
The utility model has the preferable technical scheme that: the vertical atress reinforcing bar of rim of a cup basis is installed in vertical planting muscle top, the vertical atress reinforcing bar of rim of a cup basis passes through single limb hoop to be fixed and reliable connection, is as rectifying the counter-force support that inclines.
The utility model has the preferable technical scheme that: the pile pressing holes are trapezoid holes with small upper parts and large lower parts, reinforcing steel bars are arranged at the upper hole openings and the lower hole openings, the reinforcing steel bars at the upper hole openings are connected with the steel pipe piles and the reinforcing bearing platform through steel bar meshes, and micro-expansion early-strength concrete is poured to form pile caps.
The utility model has the preferable technical scheme that: the anchor bolt adopts large-diameter and high-strength finish-rolled deformed steel bars.
The column base is cut at the joint of the column base and the column support before the correction process, the first-stage bearing platform and the column are cut off through a rope saw and connected with the second-stage bearing platform and column base bolts, and the column base bolts and the column support breaking part are fixedly connected again after the correction is completed.
The utility model has the beneficial effects that:
The utility model is suitable for places with special working environment, complex geological condition and limited working surface, by additionally arranging the vertical cup opening counter-force beam foundation on the original bearing platform, the construction space is saved, the defect of large-scale excavation due to insufficient places is overcome, the rigid pushing is converted into lateral sliding back tilting by cutting the original cup opening, the required acting force is reduced, the secondary damage of the foundation and the upper structure in the pushing process is avoided, the newly-increased cup opening can play a role of wrapping and reinforcing the upright post after the tilting is corrected, the bearing capacity of the bearing platform foundation is increased by enlarging the bearing platform foundation area and additionally arranging the anchor rod static pressure pile, the long-term uneven settlement of the upright post is avoided, and the utility model has the advantages of exquisite, unique property, economy, high safety and the like.
Drawings
FIG. 1 is a plan view of an inclination correction reinforcement structure of the present utility model;
FIG. 2 is a schematic view in section A-A of FIG. 1;
FIG. 3 is a schematic illustration of a pile sealing of a static pile of an anchor rod according to the present utility model;
FIG. 4 is a schematic view of a section of a pile seal B-B of the static pile of the anchor rod of the present utility model;
FIG. 5 is a schematic view of the positioning of an anchor bolt of the present utility model;
FIG. 6 is a schematic illustration of the connection of anchor bolts to cross-steel bars of the present utility model;
FIG. 7 is a schematic illustration of the column-to-column support connection of the present utility model.
In the figure: 1-anchor rod static pressure piles; 100-steel pipe piles; 101-anchor bolts; 102-crossed reinforcing steel bars; 2-a cup mouth foundation; 3, reinforcing a bearing platform; 4, planting tendons; 5-upright posts and 6-third-stage bearing platforms; 7-a jack deviation correcting device; 8-a first stage table; 9-a second stage platform; 10, pile hole pressing; 11-reinforcing steel bars; 12-reinforcing steel bar meshes; 13-pile caps, 14-original foundation piles; 15-inter-column support.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The embodiment provides a building/structure foundation inclination correction reinforcing structure, as shown in fig. 1-6, the original pile foundation pile cap is used for construction, the original pile foundation pile cap is a step-shaped pile cap, the original pile foundation pile cap comprises a first step pile cap 8 surrounding a column 5, a second step pile cap 9 in the middle and a third step pile cap 6 in the lower part, the reinforcing structure comprises a reinforcing pile cap 3 positioned at the step positions of the second step pile cap 9 and the third step pile cap 6, a cup mouth foundation 2 positioned on the reinforcing pile cap 3 and a jack deviation correcting device 7 positioned between the cup mouth foundation 2 and the first step pile cap 8; the reinforcing bearing platforms 3 are provided with two groups, the two groups are symmetrically arranged on two sides of a first-stage bearing platform 8, the side surface and the bottom surface of each group of reinforcing bearing platforms 3 are respectively connected with the side surface of a second-stage bearing platform 9 and the top surface of a third-stage bearing platform 6 through a plurality of planting bars 4, the contact surfaces of the second-stage bearing platform 9, the third-stage bearing platform 6 and the reinforcing bearing platform 3 are roughened and drilled, the planting bars 4 are embedded into the drilled holes of the corresponding bearing platforms, and the planting bars 4 are welded with the reinforcement cage of the reinforcing bearing platform 3 into a whole; the reinforcement cage of the reinforcement bearing platform 3 is composed of longitudinal stress steel bars, double-limb hoops and single-limb hoops, the upright post 5 is located at the center of the cup rim foundation 2, the cup rim foundation 2 is perpendicular to the reinforcement bearing platform 3, the cup rim foundation 2 and the reinforcement bearing platform 3 are fixedly connected through reserved embedded bars, and the cup rim foundation 2 and the reinforcement bearing platform 3 are formed by integrally and continuously pouring. The vertical atress reinforcing bar of rim of a cup basis 2 is installed in vertical planting muscle 4 top, the vertical atress reinforcing bar of rim of a cup basis 2 is fixed and reliable connection through single limb hoop, is as rectifying the counter-force support. The jack deviation correcting devices 7 are arranged on the inclined sides of the upright posts 5, and are provided with a plurality of groups, and the jack deviation correcting devices 7 are uniformly distributed along the first-stage bearing platform 8; each group of jack deviation correcting devices 7 are placed in the cup rim foundation 2 to push the column feet of the column 5 in a grading manner, and the jack deviation correcting devices 7 are fixedly replaced by jacking irons or other permanent components after the inclination rate of the column 5 reaches the standard.
The embodiment provides a building/structure foundation inclination correction reinforcing structure, as shown in fig. 1-6, the edge of each group of reinforcing bearing platforms 3 horizontally extends out of a third-stage bearing platform 6, a plurality of groups of anchor rod static pressure piles 1 are constructed in the extending area, and pile bodies of the anchor rod static pressure piles 1 extend to the area below the bottom surface of the original pile foundation bearing platform. The anchor rod static pressure pile 1 comprises a steel pipe pile 100 and an anchor bolt 101, wherein the anchor bolt 101 is made of large-diameter high-strength finish-rolled screw steel. The steel pipe pile 100 is pressed to an area below the bottom surface of the original pile foundation bearing platform in a pile pressing hole 10 reserved in the reinforcing bearing platform 3 through a jack, foundation bolts 101 are embedded in the left side and the right side of the steel pipe pile 100, cross steel bars 102 are welded at the tops of the foundation bolts 101, and the cross steel bars 102 are arranged at the top ends of the foundation bolts 101 in an X shape. The pile pressing holes 10 are trapezoid holes with small upper parts and large lower parts, reinforcing steel bars 11 are arranged at the upper hole openings and the lower hole openings, the reinforcing steel bars 11 at the upper hole openings are connected with the steel pipe pile and the reinforcing bearing platform 3 through steel bar meshes 12, and micro-expansion early-strength concrete is poured to form pile caps 13.
The embodiment provides a building/structure foundation inclination correction reinforcing structure, as shown in fig. 7, the joint of the column foot of the column 5 and the column support 15 should be cut before the deviation correcting process, and the connection of the first-stage bearing platform 8 and the column 5 with the second-stage bearing platform 9 and column foot bolts is cut off through a rope saw. And the column foot bolts and the column support 15 are fixedly connected again after the correction is completed, and early-strength fine stone concrete is poured in the cup rim foundation 2 rapidly.
The following further describes a process for rectifying and reinforcing the foundation of the building (structure) according to the present utility model, which specifically comprises the following steps:
(1) The reinforcement pile 3 and the cup rim foundation 2 are formed by utilizing the contact surface of the second-stage bearing platform 9 and the third-stage bearing platform 6 of the original foundation bearing platform, longitudinal stressed steel bars, double-limb hoops, single-limb hoops and the like, pile pressing holes 6 are reserved in the process of connecting the steel bars, foundation bolts 101 are pre-buried, steel pipe piles 100 are pre-pressed through jacks, and anchor bolts 101, orifice reinforcing steel bars 11 and steel bar meshes 12 are connected to form anchor rod static pressure piles 1.
(2) After the reinforced bearing platform 3 and the cup foundation 2 concrete reach 80% of design strength, the connection between the cut-off inter-column support 15 and the column foot of the constructed column 5 is broken, and deformation and damage of the steel structure of the inter-column support 15 in the pushing process are avoided; the upright 5 and the first-stage table 8 are disconnected from the second-stage table 9, the third-stage table 6 and the column foot bolts by cutting.
(3) Placing the jack deviation correcting device 7 in the cup rim foundation 2 for pushing the column feet of the column 5 in a grading manner, temporarily fixing the periphery of the column feet of the column 5 by a top iron after the inclination rate is less than or equal to 3 per mill, replacing the jack deviation correcting device 7, and quickly pouring early-strength fine stone concrete by reconnecting the cut four column foot bolts with broken positions of the inter-column support 15 and the like to timely seal the cup rim foundation 2; and after the strength of the concrete reaches the design requirement, tamping the excavated plain soil into backfill foundation grooves in a layered manner.
Compared with the traditional cup rim foundation and the counter-force beam, the inner wall of the cup rim foundation is not suitable to be arranged in a slope shape and is optimal in a vertical shape, the cup rim foundation can be used as a jack counter-force operation to perform grading pushing correction on the upright column, the upright column can be firmly connected with a new foundation, a stable underpinning reinforced foundation is formed, and uneven settlement of the upright column is greatly reduced.
The top iron adopted by the utility model can recycle and utilize the pile pressing process to cut the residual steel pipes and steel plates, and the steel plates are connected at two ends of the steel pipes through welding and serve as permanent components which are placed in a cup rim foundation to replace jack supports after correction.
According to the utility model, the inclination and settlement deformation observation points are arranged on the upright posts before inclination correction, the inclination and settlement conditions of the upright posts are comprehensively monitored through high-precision instruments such as theodolites and level gauges in the correction process, and data after each level of pushing and inclination correction are compared, so that the reliability and safety of inclination correction and reinforcement are strictly controlled.
The pushing device adopted by the utility model is a hydraulic jack, pressure is applied step by step on the oil pump, hydraulic pressure is transmitted to the jack through the oil pipe, the upright post is pushed for a certain displacement in a step manner, the oil pipe valve is closed for temporary self-locking and pressure maintaining for a plurality of hours, the safety of graded deviation correction is ensured by observing the deformation and the stress of each step of pushing, and the next step of deviation correction can be implemented after the stability and the prediction are consistent.
After the correction of the upright post body is finished, the upright post foundation after the correction is immediately subjected to pile foundation underpinning by adopting an anchor rod static pressure pile foundation, the pile tip is ensured to be placed in a bearing layer required by design, and meanwhile, the pile head is sealed by adopting high-strength concrete casting.
The utility model is suitable for technical transformation of the foundation of the existing building with narrow and complex structure and inconvenient construction, the original foundation bearing platform and the reinforcing bearing platform are effectively connected through the planted ribs 4 to form a stable reinforcing platform, the foundation counter-force beam of the cup foundation 2 is vertically added, the column base bolts are opened, the connection between the upright column 5 and the steel structure of the original foundation is released, and the horizontal resistance and the bending deformation of the steel structure in the pushing process are reduced. The jack placed in the cup opening foundation 2 is utilized to conduct grading pushing correction on the inclined upright post 5, after the correction inclination rate reaches the design specification, the anchor rod static pressure pile 1 in the pile pressing hole 6 and the reinforcing bearing platform 3 are reserved to form a new foundation for underpinning and reinforcing after concrete is poured, the bearing capacity of the foundation can be improved, the sedimentation of the upright post is reduced, the cup opening 2 foundation used as a correction counterforce beam can be firmly connected with the reinforcing bearing platform 3 as the upright post 11, the original pile foundation is reinforced, and therefore the purpose of transformation of correction reinforcing technology is achieved.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model, but various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the patent protection of the present utility model.
Claims (8)
1. The utility model provides a building/structure basis is rectified and is inclined reinforced structure utilizes former pile foundation cushion cap construction, former pile foundation cushion cap is echelonment cushion cap, includes at least around first step cushion cap (8) of stand (5), second step cushion cap (9) and third step cushion cap (6) of lower part in middle part, its characterized in that: the reinforcing structure comprises a reinforcing bearing platform (3) positioned at the stepped positions of the second step bearing platform (9) and the third step bearing platform (6), a cup rim foundation (2) positioned on the reinforcing bearing platform (3) and a jack deviation correcting device (7) arranged between the cup rim foundation (2) and the first step bearing platform (8); the reinforced pile cap (3) is provided with two groups, the reinforced pile caps are symmetrically arranged on two sides of the first-stage pile cap (8), the side face and the bottom face of each group of reinforced pile caps (3) are respectively connected with the side face of the second-stage pile cap (9) and the top face of the third-stage pile cap (6) through a plurality of planting bars (4), the edge of each group of reinforced pile caps (3) horizontally extends out of the third-stage pile cap (6), a plurality of groups of anchor rod static pile (1) are constructed in an extending area, and the pile body of the anchor rod static pile (1) extends to an area below the bottom face of the original pile cap.
2. A building/construction foundation inclination correction reinforcing structure according to claim 1, wherein: the anchor rod static pressure pile (1) comprises a steel pipe pile (100) and foundation bolts (101), wherein the steel pipe pile (100) is arranged in a pile pressing hole (10) reserved in a reinforcing bearing platform (3) through a jack to be static pressure to an area below the bottom surface of an original pile foundation bearing platform, the foundation bolts (101) are embedded in the left side and the right side of the steel pipe pile (100), cross reinforcing steel bars (102) are welded at the top of the foundation bolts (101), and the cross reinforcing steel bars (102) are arranged at the top ends of the foundation bolts (101) in an X shape.
3. A building/construction foundation inclination correction reinforcing structure according to claim 1 or 2, characterized in that: the upright post (5) is positioned at the center of the cup rim foundation (2), and the cup rim foundation (2) is perpendicular to the reinforcing bearing platform (3); the jack deviation correcting devices (7) are arranged on the inclined sides of the upright posts (5) and are provided with a plurality of groups, and the jack deviation correcting devices (7) are uniformly distributed along the first-stage bearing platform (8); each group of jack deviation correcting devices (7) are placed on column bases of the cup rim foundation (2) for pushing the column (5) in a grading mode, and the jack deviation correcting devices (7) are fixedly replaced by jacking irons or other permanent components after the inclination rate of the column (5) reaches the standard.
4. A building/construction foundation inclination correction reinforcing structure according to claim 1 or 2, characterized in that: the contact surfaces of the second-stage bearing platform (9), the third-stage bearing platform (6) and the reinforcing bearing platform (3) are roughened and drilled, the bar planting (4) is embedded into the drilled holes of the corresponding bearing platforms, and the bar planting (4) and the reinforcement framework of the reinforcing bearing platform (3) are welded into a whole; the cup rim foundation (2) and the reinforcing bearing platform (3) are fixedly connected through reserved planting ribs, and the cup rim foundation (2) and the reinforcing bearing platform (3) are integrally and continuously poured.
5. A building/construction foundation inclination correction reinforcing structure according to claim 1 or 2, characterized in that: the reinforcing structure further comprises early-strength fine stone concrete poured between the cup rim foundation (2) and the first-order bearing platform (8) after correction is completed.
6. A building/construction foundation inclination correction reinforcing structure according to claim 1 or 2, characterized in that: the vertical stress steel bars of the cup rim foundation (2) are arranged above the vertical planting bars (4), and the vertical stress steel bars of the cup rim foundation (2) are fixed and reliably connected through single limb hoops to serve as a rectification counter-force support.
7. A building/construction foundation inclination correction reinforcing structure according to claim 2, wherein: the pile pressing holes (10) are trapezoid holes with small upper parts and large lower parts, reinforcing steel bars (11) are arranged at the upper opening and the lower opening, the reinforcing steel bars (11) at the upper opening are connected with the steel pipe pile and the reinforcing bearing platform (3) through steel mesh (12), and micro-expansion early-strength concrete is poured to form pile caps (13).
8. A building/construction foundation inclination correction reinforcing structure according to claim 2, wherein: the anchor bolt (101) is made of large-diameter high-strength finish-rolled screw steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744175.0U CN221119323U (en) | 2023-10-12 | 2023-10-12 | Building/structure foundation correcting and reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322744175.0U CN221119323U (en) | 2023-10-12 | 2023-10-12 | Building/structure foundation correcting and reinforcing structure |
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| Publication Number | Publication Date |
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| CN221119323U true CN221119323U (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322744175.0U Active CN221119323U (en) | 2023-10-12 | 2023-10-12 | Building/structure foundation correcting and reinforcing structure |
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| Country | Link |
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| CN (1) | CN221119323U (en) |
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2023
- 2023-10-12 CN CN202322744175.0U patent/CN221119323U/en active Active
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