Building inclination deformation treatment structure

Abstract

The utility model relates to a building inclination deformation treatment structure which comprises a plurality of drill holes, a plurality of peripheral heaped loads and a plurality of internal heaped loads, the drill holes are formed in a foundation of a building, orifices of the drill holes are located in the outer side of the foundation, and the drill holes are drilled in the bottom direction of the building by a preset length; the multiple drill holes are formed in the circumferential direction of the building at intervals. Along settlement distribution of the building, the building is provided with a plurality of units on a horizontal projection plane, the units comprise at least one deviation rectifying reference unit, at least one deviation rectifying unit and at least two transition units, the deviation rectifying reference unit is the side, with the largest settlement depth, of the building, and the deviation rectifying unit is the side, away from the deviation rectifying reference unit, of the building. The transition unit is located between the deviation rectifying reference unit and the deviation rectifying unit, and the peripheral stacking load is arranged in the outer side area of the deviation rectifying unit and the transition unit and is close to the deviation rectifying unit and the transition unit; and the internal heaping load is an auxiliary heaping load and is arranged in the building. The treatment structure can effectively treat inclination deformation of the ancient building caused by differential settlement of the foundation.

Description

Technical Field

[0001] This application relates to the field of ancient building restoration engineering technology, specifically to a structure for treating the tilting and deformation of buildings. Background Technology

[0002] Among my country's numerous ancient buildings, the protection and restoration of cultural relics is a crucial task. Some structures, such as the Tiger Hill Pagoda in Suzhou, suffer from tilting due to uneven foundation settlement. Allowing this to continue unchecked not only compromises safety but could even lead to collapse, causing irreparable damage to the cultural relic. For modern reinforced concrete buildings, due to their higher load-bearing capacity and structural integrity, there are currently many methods for correcting tilt, such as using jacks to lift the foundation. However, ancient Chinese buildings are primarily constructed of wood or stone, with lower load-bearing capacity and structural integrity, making them unsuitable for correction using existing technologies. Utility Model Content

[0003] The first aspect of this application provides a structure for treating the tilting deformation of buildings, which can effectively treat the tilting deformation of ancient buildings caused by uneven settlement of the foundation.

[0004] The first aspect of this application provides a structure for treating building tilt deformation, comprising multiple boreholes and multiple external loads. The boreholes are arranged within the foundation of the building, with the borehole openings located outside the foundation. The boreholes are drilled to a predetermined length towards the bottom of the building, and the multiple boreholes are arranged at intervals along the circumference of the building. Along the settlement distribution of the building, the building has multiple units on a horizontal projection plane. Each unit includes at least one correction reference unit, at least one correction unit, and at least two transition units. The correction reference unit is located on the side of the building with the greatest settlement depth, and the correction units are located on the side of the building furthest from the correction reference unit. The transition units are located between the correction reference unit and the correction units. The external loads are arranged in the outer region of the correction units and the transition units, and the external loads are close to the correction units and the transition units.

[0005] In addition, the building tilt deformation mitigation structure provided in this application may also have the following additional technical features:

[0006] In one alternative scheme, the borehole diameter and the borehole density among multiple boreholes are proportional to the settlement amplitude of the foundation. Let Δ be the correction amount of a unit, L be the length of the unit, D be the borehole diameter within the unit, and N be the number of boreholes. Then D and N satisfy: D 2 ·N=(4Δ·L / π)·(2~4).

[0007] In one alternative, the spacing between two adjacent boreholes is 0.5 to 1 m; the boreholes gradually slope downwards from the outside to the inside of the building, or a trench is provided around the perimeter of the building, and the boreholes extend horizontally from the trench towards the bottom of the building.

[0008] In one alternative embodiment, the governance structure further includes an internal load, wherein the external load is arranged along the perimeter of the building and the weight of the external load is proportional to the settlement amplitude of the corresponding unit; the internal load is arranged inside the building and is located within the area enclosed by the correction unit and the transition unit.

[0009] In an alternative embodiment, the treatment structure further includes a grouting layer, which is injected into the borehole after the correction unit and the transition unit are parallel to the correction reference unit, and the grouting layer can seal the borehole by its own weight.

[0010] The second aspect of this application provides a method for treating the tilting deformation of a building, comprising the following steps:

[0011] 1) Divide the building into multiple units according to the settlement depth, and calculate the borehole density and borehole diameter for each unit;

[0012] 2) Based on the calculation results, the first stage of drilling construction was carried out for each unit. After the drilling construction was completed, the load was applied to each unit and settlement monitoring was carried out.

[0013] 3) When the actual settlement of one of the units reaches 50% of the predetermined settlement, the drilling layout is adjusted according to the settlement statistics. The second stage of drilling is carried out on the units with added drilling, and settlement monitoring is continuously carried out.

[0014] 4) During the settlement monitoring process, additional drilling or hole sealing should be carried out according to the development of settlement;

[0015] 5) After the building as a whole reaches the set settlement, the unsealed boreholes are re-drilled and grouted at the original locations to seal them, the correction work is completed, and the load is removed.

[0016] In one alternative approach, step 1), when dividing the building into multiple units, includes the following steps:

[0017] Based on the outer boundary of the building's foundation, and according to the size of the foundation area and the settlement distribution, the foundation is uniformly divided into at least one correction reference unit, at least one correction unit, and at least two transition units. The correction reference unit is located on the side of the building with the greatest settlement depth, the correction unit is located on the side of the building away from the correction reference unit, and the transition unit is located between the correction reference unit and the correction unit.

[0018] In one alternative, step 2) includes both peripheral and internal loading during loading. The peripheral loading is arranged around the perimeter of the building, and the weight of the peripheral loading is proportional to the settlement amplitude of the corresponding unit.

[0019] The internal loading is based on the building's own load-bearing capacity. During internal loading, the building's auxiliary structures can be removed to provide loading space.

[0020] In one alternative approach, in step 1), the drilling density and the borehole diameter satisfy: D 2 ·N=(4Δ·L / π)·(2~4);

[0021] In the formula, Δ is the settlement amount that needs to be corrected for the unit, L is the length of the unit, D is the borehole diameter, N is the number of boreholes, and 2 to 4 are deviation coefficients, the values ​​of which are related to the differences in the mechanical properties of the soil in each unit within the correction range. If the bearing capacity of the soil in the unit is large, a high value is taken, and vice versa.

[0022] When determining the number of boreholes N, the spacing between boreholes is determined based on the on-site construction conditions, and the spacing between boreholes is controlled between 0.5 and 1m.

[0023] When determining the borehole diameter D, the theoretical borehole diameter is calculated based on the number of boreholes in the unit and the control value. Then, the drilling equipment is selected based on the theoretical borehole diameter, and the number and spacing of boreholes are adjusted according to the actual borehole diameter of the equipment. Finally, the borehole diameter D and the number of boreholes N in each unit are determined.

[0024] In one alternative approach, step 4) specifically includes the following steps:

[0025] When the settlement of a certain unit approaches the predetermined settlement value, drill a hole at the original hole location, grout to seal it, and remove the load on that part.

[0026] If the settlement of a certain unit is significantly slower than that of other units, further drilling should be carried out in that unit.

[0027] The beneficial effects of this application are as follows:

[0028] The structure and method for addressing building tilt deformation described in this application involve drilling to remove soil from areas with low settlement, increasing the foundation's deformation capacity in those areas. Simultaneously, surcharges are used to increase the surrounding load, further amplifying settlement and thus achieving a corrective effect. The corrective settlement is controlled by the density of the drilling and the height of the surcharge, resulting in a relatively continuous distribution of settlement and minimal damage to the structure. This method effectively addresses tilt deformation caused by uneven foundation settlement in ancient buildings and is particularly suitable for correcting the tilt of foundations formed by stacked stone blocks.

[0029] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit this application. Attached Figure Description

[0030] Figure 1 A structural schematic diagram of the inclined building (taking a pavilion as an example) provided in this application;

[0031] Figure 2 A schematic diagram of the unit division provided for this application;

[0032] Figure 3 A schematic diagram of the arrangement of the boreholes provided in this application in one embodiment;

[0033] Figure 4 A schematic diagram of the borehole layout provided for this application;

[0034] Figure 5 A schematic diagram of the stacking arrangement provided for this application;

[0035] Figure 6 This is a schematic diagram of the stacking layout provided in this application.

[0036] Reference numerals: Building 1, Foundation 11, Subgrade 12, Drilling 2, External surcharge 3, Correction reference unit 4, Correction unit 5, Transition unit 6, Internal surcharge 7, Auxiliary structure 8.

[0037] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. Detailed Implementation

[0038] To better understand the technical solution of this application, the embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0039] It should be understood that the described embodiments are merely some embodiments of this application, and not all embodiments. All other technical solutions obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0040] The terminology used in the embodiments of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The singular forms “a,” “the,” and “the” used in the embodiments of this application and the appended claims are also intended to include the plural forms unless the context clearly indicates otherwise.

[0041] It should be understood that the term "and / or" used in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this article generally indicates that the preceding and following related objects have an "or" relationship.

[0042] It should be noted that the directional terms such as "upper," "lower," "left," and "right" described in the embodiments of this application are used to describe the angles shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when it is mentioned that an element is connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected to the other element "upper" or "lower" through an intermediate element.

[0043] like Figure 1-6 As shown, the first aspect of this application provides a structure for treating the tilting deformation of a building. The structure includes multiple boreholes 2 and multiple external loads 3. The boreholes 2 are arranged in the foundation 12 of the building 1, with the openings of the boreholes 2 located on the outside of the foundation 12. The boreholes 2 are drilled to a predetermined length towards the bottom of the building 1. The multiple boreholes 2 are arranged at intervals along the circumference of the building 1. Along the settlement distribution of the building 1, the building 1 has multiple units on the horizontal projection plane. Each unit includes at least one correction reference unit 4, at least one correction unit 5, and at least two transition units 6. The correction reference unit 4 is the side of the building 1 with the largest settlement depth, the correction unit 5 is the side of the building 1 away from the correction reference unit 4, and the transition unit 6 is located between the correction reference unit 4 and the correction unit 5. The external loads 3 are arranged in the outer area of ​​the correction unit 5 and the transition unit 6, and the external loads 3 are close to the correction unit 5 and the transition unit 6.

[0044] like Figure 1-2 As shown, this embodiment uses a pavilion as an example and is divided into six units, including two correction reference units 4, two correction units 5, and two transition units 6. However, in some other building structures 1, the correction reference units 4, correction units 5, and transition units 6 can be preset according to the structure, area, settlement amplitude, etc. of the building 1, so this article does not make specific limitations. In this embodiment, some soil is extracted from the foundation 12 through the arranged boreholes 2 to increase the deformation capacity of the foundation 12 soil, and the load on the upper part of the foundation 11 is increased by the external surcharge 3. Under the action of the above two measures, the settlement value of the side with relatively smaller settlement is increased, thereby achieving the effect of correction.

[0045] like Figure 3-4As shown, in one specific embodiment, the diameter of borehole 2 and the borehole density among multiple boreholes 2 are directly proportional to the settlement amplitude of foundation 11. In simpler terms, the boreholes 2 are set according to the amplitude of uneven settlement; a larger uneven settlement requires a larger borehole density and a larger borehole diameter. Specifically, if the correction amount of a unit is defined as Δ, the length of the unit is L, the diameter of the corresponding borehole 2 within the unit is D, and the number of boreholes 2 is N, then D and N satisfy:

[0046] D 2 ·N=(4Δ·L / π)·(2~4).

[0047] like Figure 2-5 As shown, in one specific embodiment, the distance between two adjacent boreholes 2 is 0.5 to 1 m; the borehole 2 gradually slopes downward from the outside to the inside of the building 1, or a trench is set around the perimeter of the building 1, and the working surface of the lateral construction borehole 2 is formed by excavating the trench, and the borehole 2 extends horizontally from the trench to the bottom of the building 1.

[0048] like Figure 5-6 As shown, in one specific embodiment, the treatment structure further includes an internal load 7, which is arranged inside the building 1 and located within the area enclosed by the correction unit 5 and the transition unit 6. Furthermore, the treatment structure also includes a grouting layer, which is injected into the borehole 2 after the correction unit 5 and the transition unit 6 are parallel to the correction reference unit 4. The grouting layer can seal the borehole 2 using its own weight.

[0049] Specifically, after drilling 2 is completed, the surcharge can be arranged. Based on the location of the surcharge, it is divided into outer surcharge 3 and inner surcharge 7, with outer surcharge 3 being the main surcharge and inner surcharge 7 being the auxiliary surcharge. The surcharge materials include backfill and sandbags. The outer surcharge is arranged along the perimeter of building 1, with multiple surcharge zones set according to the correction range of each unit. The outer surcharge 3 is placed as close as possible to the foundation 11 of building 1. Simultaneously, the inner surcharge 7 is arranged according to the bearing capacity of building 1, adapting to local conditions. If necessary, some auxiliary structures 8 of building 1 are dismantled to provide surcharge space.

[0050] like Figure 1-6 As shown, the second aspect of this application provides a method for treating building tilt deformation, which mainly includes the following steps:

[0051] 1) Divide building 1 into multiple units according to the settlement depth, and calculate the borehole density and borehole diameter of each unit;

[0052] Specifically, in step 1), dividing building 1 into multiple units includes the following steps:

[0053] Using the outer boundary of the foundation 11 of building 1 as a reference, and based on the size of the foundation 11 and the settlement distribution, the foundation 11 is uniformly divided into at least four units: one correction reference unit 4, at least one correction unit 5, and at least two transition units 6. The correction reference unit 4 is located on the side of building 1 with the largest settlement depth, the correction unit 5 is located on the side of building 1 furthest from the correction reference unit 4, and the transition unit 6 is located between the correction reference unit 4 and the correction unit 5. Then, based on the uneven settlement distribution of building 1, the settlement amount requiring correction for each unit is calculated. The drilling density and the borehole diameter of borehole 2 satisfy: D 2 ·N=(4Δ·L / π)·(2~4);

[0054] In the formula, Δ is the settlement amount that needs to be corrected for the unit, L is the length of the unit, D is the diameter of borehole 2, N is the number of boreholes in borehole 2, and 2 to 4 are deviation coefficients, the values ​​of which are related to the differences in the mechanical properties of the soil in each unit within the correction range. If the bearing capacity of the soil in the unit is large, a high value is taken, and vice versa.

[0055] When determining the number N of boreholes 2, the spacing between boreholes 2 is determined according to the on-site construction conditions, and the spacing between boreholes 2 is controlled between 0.5 and 1m.

[0056] When determining the diameter D of borehole 2, the theoretical diameter is calculated based on the number of holes in the unit and the control value. Then, the drilling equipment is selected based on the theoretical diameter, and the number and spacing of boreholes are adjusted according to the actual drilling diameter of the equipment. Finally, the diameter D of the borehole and the number N of boreholes in each unit are determined.

[0057] 2) Based on the calculation results, the first stage of drilling construction is carried out for each unit. After the drilling construction is completed, load is applied to each unit and settlement monitoring is carried out. Specifically, the load includes an outer load 3 and an inner load 7. The outer load 3 is arranged along the periphery of the building 1, and the weight of the outer load 3 is proportional to the settlement amplitude of the corresponding unit. The inner load 7 is based on the bearing capacity of the building 1 itself. When the inner load 7 is carried out, the auxiliary structure 8 of the building 1 can be removed to provide load space.

[0058] 3) When the actual settlement of one of the units reaches 50% of the predetermined settlement, the arrangement of borehole 2 is adjusted according to the settlement statistics. The units with added boreholes undergo the second phase of drilling, and settlement monitoring continues. Specifically, the second phase of drilling is arranged according to the settlement development of each unit: Units are sorted according to their relative settlement value (the ratio of actual settlement to predetermined settlement), and the midpoint is taken as the standard. For areas with larger relative settlement, 30% to 50% of the original design for the second phase of drilling is allocated to areas with smaller relative settlement, i.e., areas with lower settlement development rates. These areas receive incremental supplementation based on the calculated supplementation amount 11, while areas with higher settlement development rates receive reduced supplementation based on the calculated supplementation amount 11. The increase or decrease is 30% to 50% of the second phase of drilling.

[0059] 4) During the settlement monitoring process, additional boreholes are drilled or the boreholes are cleaned and sealed according to the development of settlement. Specifically, when the settlement of a certain unit is close to the predetermined settlement value, boreholes are drilled at the original locations, grouting is performed to seal the boreholes, and the load on that part is removed. When the settlement of a certain unit is significantly slower than that of other units, additional boreholes are drilled in that unit.

[0060] 5) After the building 1 has reached the set settlement, the unsealed boreholes are re-drilled and grouted at the original locations to seal them. The correction work is then completed and the load is removed.

[0061] The structure and method for addressing building tilt deformation in this application involve drilling holes to remove soil from areas with low settlement, increasing the deformation capacity of the foundation 11 in those areas. Simultaneously, surcharges are used to increase the surrounding load, further increasing settlement and thus achieving the effect of correcting the tilt. The settlement correction is controlled by the density of the drill holes 2 and the height of the surcharge, resulting in a relatively continuous distribution of settlement and minimal damage to the structure. This method effectively addresses tilt deformation caused by uneven foundation settlement in ancient buildings and is particularly suitable for correcting the tilt of foundations formed by stacked stone blocks.

[0062] The above are merely preferred embodiments of this application and are not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A structure for treating building tilt deformation, used to treat building tilt caused by uneven foundation settlement, characterized in that, The structure includes multiple boreholes and multiple peripheral loads. The boreholes are arranged within the foundation of the building, with the borehole openings located outside the foundation. The boreholes are drilled to a predetermined length towards the bottom of the building, and the multiple boreholes are arranged at intervals along the circumference of the building. Along the settlement distribution of the building, the building has multiple units on its horizontal projection plane. Each unit includes at least one correction reference unit, at least one correction unit, and at least two transition units. The correction reference unit is located on the side of the building with the greatest settlement depth, the correction units are located on the side of the building furthest from the correction reference unit, and the transition units are located between the correction reference unit and the correction units. The peripheral loads are arranged in the outer region of the correction units and the transition units, and are close to the correction units and the transition units.

2. The structure for treating building tilt deformation according to claim 1, characterized in that, The borehole diameter and the borehole density among multiple boreholes are proportional to the settlement amplitude of the foundation. Let Δ be the correction amount of a unit, L be the length of the unit, D be the borehole diameter within the unit, and N be the number of boreholes. Then D and N satisfy: D 2 ·N=(4Δ·L / π)·(2~4).

3. The structure for treating building tilt deformation according to claim 2, characterized in that, The distance between two adjacent boreholes is 0.5 to 1 m; the boreholes gradually slope downwards from the outside to the inside of the building, or the building is surrounded by a trench, and the boreholes extend horizontally from the trench towards the bottom of the building.

4. The structure for treating building tilt deformation according to any one of claims 1-3, characterized in that, It also includes internal loads, while the external loads are arranged along the perimeter of the building and the weight of the external loads is proportional to the settlement amplitude of the corresponding unit; the internal loads are arranged inside the building and are located within the area enclosed by the correction unit and the transition unit.

5. The structure for treating building tilt deformation according to claim 4, characterized in that, It also includes a grouting layer, which is injected into the borehole after the correction unit and the transition unit are parallel to the correction reference unit, and the grouting layer can seal the borehole by its own weight.

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