Device for rebuilding support column foundation

Abstract

The present invention is a device for the reconstruction of a support column foundation, including a local unloading structure for partially unloading the original support column foundation, the local unloading structure including a reinforcement support structure, the reinforcement support structure can be sleeved and clamped on the support column; an overall unloading structure for overall unloading the original support column foundation, the overall unloading structure including a device foundation structure, a horizontal beam conversion structure is arranged on the device foundation structure, the horizontal beam conversion structure can support the reinforcement support structure and the support column. The present invention is divided into two parts, the local unloading structure and the overall unloading structure, which cooperate to complete the active unloading of the original support column foundation; it can ensure that the original structural system is not disturbed, and ensure the smooth unloading of the original support column foundation, and complete the replacement of the deep foundation or the shared large foundation.

Description

Technical Field

[0001] The invention relates to the technical field of structural reinforcement and reconstruction, and in particular to a device for reconstruction of a supporting column foundation. Background Art

[0002] In the prior art, the main method of reinforcing and reconstructing the original structural column foundation is to use the rebar planting technology on the original structural column foundation to expand the bottom area of ​​the original structural column foundation, so as to meet the requirements of the foundation bearing capacity due to the increase in load. The defects are that it is only applicable to the load change of the original structure and the common foundation of similar or smaller buildings to be expanded nearby, and the rebar planting effect is poor, the foundation is prone to cracking, the coordination work is poor, and uneven settlement is very likely to occur.

[0003] Therefore, the inventor, relying on his many years of experience and practice in related industries, proposes a device for transforming a support column foundation to overcome the defects of the prior art. Summary of the invention

[0004] The purpose of the present invention is to provide a device for the reconstruction of a support column foundation, so as to overcome the problems in the prior art. The present invention is divided into two parts, namely a local unloading structure and an overall unloading structure, which cooperate to complete the active unloading of the original support column foundation; it can ensure that the original structural system is not disturbed, and ensure the smooth unloading of the original support column foundation, so as to complete the replacement of the deep foundation or the shared large foundation.

[0005] The object of the present invention is achieved by providing a device for transforming a support column foundation, comprising:

[0006] A local unloading structure is used to partially unload the original support column foundation, and the local unloading structure includes a reinforcement support structure, and the reinforcement support structure can be sleeved and clamped on the support column;

[0007] The overall unloading structure is used to unload the original supporting column foundation as a whole. The overall unloading structure includes an installation foundation structure. A horizontal beam conversion structure is arranged on the installation foundation structure. The horizontal beam conversion structure can support the reinforced support structure and the supporting column.

[0008] In a preferred embodiment of the present invention, the reinforcement support structure includes two column hoops, and the two column hoops are arranged with an upper and lower interval; a clamping structure is arranged on each of the column hoops; and the two column hoops are connected by a plurality of reinforcement support columns.

[0009] In a preferred embodiment of the present invention, the column clamp includes two column side steel plates, the two column side steel plates are attached to both sides of the supporting column, the two ends of the two column side steel plates are connected by screws, a nut is sleeved on one end of each screw, and the screws and the nuts constitute the clamping structure.

[0010] In a preferred embodiment of the present invention, two concrete slabs are arranged between the two column hoops, each of the concrete slabs is respectively fitted with each of the column hoops, and each of the reinforcement support columns is arranged between the two concrete slabs.

[0011] In a preferred embodiment of the present invention, reinforcing rib plates are respectively provided at both ends of each of the column side steel plates.

[0012] In a preferred embodiment of the present invention, the horizontal beam conversion structure includes a horizontal beam body, the horizontal beam body is passed through the reinforced support structure, and a prestressed cable is connected to the horizontal beam body. The two ends of the prestressed cable are connected to the two ends of the device base structure through a cable anchor. The prestressed cable, the cable anchor and the column clamp are used to provide supporting force for the support column.

[0013] In a preferred embodiment of the present invention, the basic structure of the device includes two basic bodies located at both ends of the horizontal beam body, each of the basic bodies is provided with a column extending upward, and both ends of the prestressed cable are connected to the two columns through the cable anchors.

[0014] In a preferred embodiment of the present invention, the horizontal beam body is arranged in a fish belly shape.

[0015] In a preferred embodiment of the present invention, a through groove is provided at the bottom of the horizontal beam body, and the prestressed cable passes through the groove.

[0016] In a preferred embodiment of the present invention, each of the foundation bodies is provided with foundation piles extending downward.

[0017] As described above, the device for transforming the support column foundation of the present invention has the following beneficial effects:

[0018] The present invention provides a device for transforming a supporting column foundation, which is divided into two parts, a local unloading structure and an overall unloading structure, which cooperate to complete the active unloading of the original supporting column foundation; the local unloading structure reinforces the supporting column, so that the original supporting column foundation supporting it is partially unloaded, the horizontal beam conversion structure can overall support and reinforce the supporting structure and the supporting column, the overall unloading structure unloads the original supporting column foundation as a whole, and the overall unloading structure is constructed after the reinforcement construction of the local unloading structure, which can ensure that the original structural system is not disturbed, and ensure that the unloading of the original supporting column foundation is carried out smoothly, and the replacement of the deep foundation or the shared large foundation is completed; the device of the present invention can also realize the foundation of a new building in a narrow space, and can solve the problem of large differential settlement of the original building structure after replacing the new foundation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following drawings are only intended to illustrate and explain the present invention, and are not intended to limit the scope of the present invention.

[0020] in:

[0021] Figure 1 : It is a schematic diagram of a device for transforming a support column foundation of the present invention.

[0022] Figure 2 :for Figure 1 Middle AA section view.

[0023] Figure 3 :for Figure 1 Middle BB section view.

[0024] Figure 4 : A top view of the device for transforming the support column foundation of the present invention when the support column is connected to the original support column foundation.

[0025] Figure 5 : A top view of the device for transforming the support column foundation of the present invention when the support column is connected to a new support column foundation.

[0026] Figure 6 : It is the top view of the connection between the original support column foundation and the support column.

[0027] Figure 7 : This is the main view of the connection between the original support column foundation and the support column.

[0028] Figure 8 : Top view of the connection between the new support column foundation and the support column.

[0029] Fig. 9 : This is the main view of the connection between the new support column foundation and the support column.

[0030] In the figure:

[0031] 100. Device for modifying the support column foundation;

[0032] 1. Strengthen the supporting structure;

[0033] 11. Column hoop; 111. Column side steel plate; 112. Reinforcement rib plate;

[0034] 12. Clamping structure; 121. Screw; 122. Nut;

[0035] 13. Strengthen the support columns;

[0036] 14. Concrete slab;

[0037] 2. Installation infrastructure;

[0038] 21. Foundation body; 22. Columns; 23. Foundation piles;

[0039] 3. Horizontal beam transfer structure;

[0040] 31. Horizontal beam body; 32. Prestressed cable; 33. Cable anchor;

[0041] 91. Original supporting column foundation; 92. Supporting column; 93. New supporting column foundation. DETAILED DESCRIPTION

[0042] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, specific embodiments of the present invention are now described with reference to the accompanying drawings.

[0043] The specific embodiments of the present invention described herein are only used to explain the purpose of the present invention and cannot be understood as limiting the present invention in any way. Under the guidance of the present invention, technicians can conceive of any possible variations based on the present invention, which should be considered to belong to the scope of the present invention. It should be noted that when an element is referred to as "arranged on" another element, it can be directly on the other element or there can also be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a central element at the same time. The terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only implementation method.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0045] like Figures 1 to 5 As shown, the present invention provides a device 100 for transforming a support column foundation, comprising:

[0046] The local unloading structure is used to partially unload the original support column foundation 91. The local unloading structure includes a reinforcement support structure 1. The reinforcement support structure 1 can be sleeved and clamped on the support column 92;

[0047] The overall unloading structure is used to unload the original supporting column foundation 91 as a whole. The overall unloading structure includes an installation foundation structure 2. A horizontal beam conversion structure 3 is arranged on the installation foundation structure. The horizontal beam conversion structure 3 can support and reinforce the supporting structure 1 and the supporting column 92.

[0048] The present invention provides a device for transforming a supporting column foundation, which is divided into two parts, a local unloading structure and an overall unloading structure, which cooperate to complete the active unloading of the original supporting column foundation; the local unloading structure reinforces the supporting column, so that the original supporting column foundation supporting it is partially unloaded, the horizontal beam conversion structure can overall support and reinforce the supporting structure and the supporting column, the overall unloading structure unloads the original supporting column foundation as a whole, and the overall unloading structure is constructed after the reinforcement construction of the local unloading structure, which can ensure that the original structural system is not disturbed, and ensure that the unloading of the original supporting column foundation is carried out smoothly, and the replacement of the deep foundation or the shared large foundation is completed; the device of the present invention can also realize the foundation of a new building in a narrow space, and can solve the problem of large differential settlement of the original building structure after replacing the new foundation.

[0049] Further, if Figure 1 As shown, the reinforcement support structure 1 includes two column hoops 11, and the two column hoops 11 are arranged at intervals up and down; Figure 1 , Figure 2 As shown, a clamping structure 12 is provided on each column clamp 11 ; two column clamps 11 are connected by a plurality of reinforcement support columns 13 .

[0050] Further, if Figure 2 As shown, the column clamp 11 includes two column side steel plates 111, and the two column side steel plates 111 are attached to both sides of the supporting column. The two ends of the two column side steel plates 111 are connected by screws 121 respectively, and a nut 122 is sleeved on one end of each screw 121, and the screw 121 and the nut 122 constitute a clamping structure.

[0051] Further, if Figure 1 , Figure 3 As shown, two concrete slabs 14 are arranged between the two column hoops 11 , each concrete slab 14 is respectively arranged to fit with each column hoop 11 , and each reinforcement support column 13 is arranged between the two concrete slabs 14 .

[0052] Further, if Figure 2 As shown, reinforcing ribs 112 are respectively provided at both ends of each column side steel plate 111. The column side steel plate 111 (20 mm thick) and two reinforcing ribs 112 are welded together to form a groove structure. Two sets of groove structures are arranged on both sides of the support column 92, and the column clamp 11 is tightened to the support column 92 through a clamping structure composed of two sets of screws 121 and nuts 122.

[0053] Further, if Figure 1As shown, the horizontal beam conversion structure 3 includes a horizontal beam body 31, which is passed through the reinforced support structure 1, and a prestressed cable 32 is connected to the horizontal beam body 31. The two ends of the prestressed cable 32 are connected to the two ends of the device foundation structure 2 through a cable anchor 33. The prestressed cable 32, the cable anchor 33 and the column clamp 11 are used to provide a supporting force for the support column 92. The force is equivalent to the support column load, unloading the original component load and converting the force path. The horizontal beam body 31 is used to convert the load, and is located between the support column 92 and the device foundation structure 2, converting the support force of the device foundation structure 2 into a supporting force for the support column 92.

[0054] Further, if Figure 1 As shown, the device basic structure 2 includes two basic bodies 21 located at both ends of the horizontal beam body 31, and each basic body 21 is provided with a column 22 extending upward, and both ends of the prestressed cable 32 are connected to the two columns 22 through a cable anchor 33. In a specific embodiment of the present invention, the basic body 21 is arranged in a square shape, the cross section of the column 22 is arranged in a square shape, and the column 22 is rectangular as a whole.

[0055] Further, if Figure 1 As shown, each foundation body 21 is provided with a foundation pile 23 extending downward. In a specific embodiment of the present invention, four foundation piles 23 are provided on each foundation body 21 in a symmetrical arrangement.

[0056] Further, if Figure 1 As shown, the horizontal beam body 31 is arranged in a fish belly shape and is cast in situ using high-strength concrete and steel mesh. After the horizontal beam body 31 solidifies and reaches the strength, the prestressed cable 32 is post-tensioned and prestressed anchored through the cable anchors 33 at both ends.

[0057] Furthermore, a through narrow groove with a bottom opening is provided at the bottom of the horizontal beam body 31 , and the groove is provided along the entire length of the beam, and the prestressed cable 32 passes through the groove.

[0058] The construction process of a specific embodiment of the present invention is as follows:

[0059] Step a: Install a column clamp 11 at the 2 / 3 column height position and the 1 / 3 column height position of the support column 92 respectively, and tighten the column clamp 11 to the support column 92 through the clamping structure composed of the screw 121 and the nut 122; the state is as follows: Figure 1 As shown;

[0060] Step b, after the construction and installation of the two column clamps 11 are completed, the upper and lower concrete slabs 14 are cast using a steel mesh tied with HRB400 grade steel bars and concrete of a grade higher than the support column 92;

[0061] Step c, after the concrete slab 14 is completely solidified and meets the strength requirements, a total of 12 reinforcement support columns 13 (I-shaped steel structure columns can be used) are installed between the two concrete slabs 14, symmetrically and evenly distributed on both sides of the horizontal beam conversion structure 3, to ensure that the reinforcement support columns 13 can be tightened up and down, and the force is balanced, and the original load of the support column 92 is evenly shared; Figure 3 As shown;

[0062] Step d: After checking that there is no problem with the reinforced support structure 1, a pneumatic pick (existing technology) is used to chisel away the concrete of the support column 92 between the two concrete slabs 14, retaining the original steel bars in the support column 92, and removing rust and cleaning the surface of the steel bars;

[0063] Step e: Pass the horizontal beam body 31 through the reinforced support structure 1, and pass the prestressed cable 32 through the groove of the horizontal beam body 31. The two ends of the prestressed cable 32 are respectively post-tensioned and prestressed anchored on the columns 22 at both ends through the cable anchors 33. Figure 1 As shown;

[0064] Step f, completing the construction of the device foundation structure 2;

[0065] Step g: replace the original support column foundation 91 (structure as shown in FIG. Figure 6 , Figure 7 As shown, the top view of the device used for the reconstruction of the support column foundation when the support column is connected to the original support column foundation is as shown Figure 4 As shown in the figure) is completely removed, and the new support column foundation 93 (structure as shown in the figure) is completely removed. Figure 8 , Fig. 9 As shown, the top view of the device used for the reconstruction of the support column foundation when the support column is connected to the new support column foundation is as shown Figure 5 After the new support column foundation 93 and the support column 92 are stabilized, the device foundation structure 2 and the horizontal beam conversion structure 3 are removed. After the strength of the constructed concrete reaches 100%, the column hoop 11 is removed; after the horizontal beam body is removed, the position of the column hoop does not need to be poured with concrete, and the surface can be smoothed with mortar.

[0066] As described above, the device for transforming the support column foundation of the present invention has the following beneficial effects:

[0067] The present invention provides a device for transforming a supporting column foundation, which is divided into two parts, a local unloading structure and an overall unloading structure, which cooperate to complete the active unloading of the original supporting column foundation; the local unloading structure reinforces the supporting column, so that the original supporting column foundation supporting it is partially unloaded, the horizontal beam conversion structure can overall support and reinforce the supporting structure and the supporting column, the overall unloading structure unloads the original supporting column foundation as a whole, and the overall unloading structure is constructed after the reinforcement construction of the local unloading structure, which can ensure that the original structural system is not disturbed, and ensure that the unloading of the original supporting column foundation is carried out smoothly, and the replacement of the deep foundation or the shared large foundation is completed; the device of the present invention can also realize the foundation of a new building in a narrow space, and can solve the problem of large differential settlement of the original building structure after replacing the new foundation.

[0068] The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes and modifications made by any person skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A method for using a device for transforming a support column foundation, characterized in that: The device for transforming the support column foundation comprises: The local unloading structure is used for partially unloading the original supporting column foundation, and the local unloading structure includes a reinforcement support structure, which can be set and clamped on the supporting column; the reinforcement support structure includes two column hoops, and the two column hoops are arranged at intervals in the upper and lower parts; each column hoops is provided with a clamping structure; the two column hoops are connected by a plurality of reinforcement support columns; An integral unloading structure is used to unload the original supporting column foundation as a whole, and the integral unloading structure includes an installation foundation structure, on which a horizontal beam conversion structure is arranged, and the horizontal beam conversion structure can support the reinforced support structure and the supporting column; The local unloading structure and the overall unloading structure cooperate to complete the active unloading of the original supporting column foundation; the local unloading structure reinforces the supporting column so that the original supporting column foundation supporting it is partially unloaded, and the horizontal beam conversion structure can support and reinforce the supporting structure and the supporting column as a whole. The overall unloading structure unloads the original supporting column foundation as a whole, and the overall unloading structure is constructed after the local unloading structure reinforcement construction.

2. The method for using the device for pillar foundation reconstruction according to claim 1, characterized in that: The column clamp includes two column side steel plates, which are attached to both sides of the supporting column. The two ends of the two column side steel plates are connected by screws respectively, and a nut is sleeved on one end of each screw. The screws and the nuts constitute the clamping structure.

3. The method for using the device for pillar foundation reconstruction according to claim 1, characterized in that: Two concrete slabs are arranged between the two column hoops, each concrete slab is respectively fitted with each column hoops, and each reinforcement support column is arranged between the two concrete slabs.

4. The method for using the device for pillar foundation reconstruction according to claim 2, characterized in that: Reinforcing rib plates are respectively arranged at both ends of each column side steel plate.

5. The method for using the device for pillar foundation reconstruction according to claim 1, characterized in that: The horizontal beam conversion structure includes a horizontal beam body, which is passed through the reinforced support structure. A prestressed cable is connected to the horizontal beam body. Both ends of the prestressed cable are connected to both ends of the device base structure through cable anchors. The prestressed cable, the cable anchor and the column clamp are used to provide supporting force for the support column.

6. The method for using the device for transforming a support column foundation according to claim 5, characterized in that: The basic structure of the device comprises two basic bodies located at the two ends of the horizontal beam body, each of the basic bodies is provided with a column extending upward, and the two ends of the prestressed cable are connected to the two columns through the cable anchors.

7. The method for using the device for transforming a support column foundation according to claim 5, characterized in that: The horizontal beam body is arranged in a fish belly shape.

8. The method for using the device for transforming a support column foundation according to claim 5, characterized in that: A through groove is arranged at the bottom of the horizontal beam body, and the prestressed cable passes through the groove.

9. The method for using the device for transforming a support column foundation according to claim 6, characterized in that: Each of the foundation bodies is provided with foundation piles extending downwards.

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