Extending arm structure and extending arm reinforcing layer

By using constrained edge columns and web structures in high-rise buildings, the problems of sudden changes in stiffness of the reinforcing layer and difficulty in replacing damaged outriggers are solved, thereby improving the stability and safety of high-rise buildings during earthquakes and facilitating web replacement.

CN223951953UActive Publication Date: 2026-02-27CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP
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Patent Information

Application Number
CN202520595892.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-27
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The existing high-rise building reinforcement layer has a large stiffness, which can easily cause abrupt changes in stiffness and shear bearing capacity, resulting in poor seismic performance. In addition, the outrigger reinforcement layer is easily damaged during an earthquake and is difficult to replace.

Method used

The structure employs a constrained edge column and web plate structure, connected by ear plates, to achieve controllable stiffness and satisfy the ductile yielding mechanism of 'strong column-weak beam' and 'strong shear-weak bending'. Furthermore, the web plate is detachable for easy replacement.

Benefits of technology

It improves the stability and safety of high-rise buildings during earthquakes, reduces sudden changes in stiffness and shear capacity, simplifies the web replacement process, and saves time and manpower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an outrigger structure and an outrigger reinforcing layer, the outrigger structure is arranged in a high-rise building, the high-rise building comprises a frame column, an upper frame beam, a lower frame beam and a core tube, the outrigger structure comprises a constraint side column, and the frame column is connected with the upper frame beam, the lower frame beam and the constraint side column in a matched mode. Restraint frames are formed between the core tube and the upper frame beam, between the core tube and the lower frame beam and between the core tube and the restraint side columns; the lug plate is welded on the inner side of the restraining frame; the web plates are mounted in the constraint frames through the lug plates, and the frame columns, the upper frame beams, the lower frame beams and the core tube are connected together. According to the utility model, by arranging the web plates and the constraint side columns, controllable rigidity, no rigidity mutation and no shear bearing capacity mutation are realized, the ductility yield mechanism of'strong columns and weak beams' and'strong shear and weak bending 'is easy to meet, and the stability performance of the high-rise building is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to building structure technical field especially relates to a stretch arm structure and stretch arm reinforcing layer. BACKGROUND

[0002] In high-rise building, generally adopts frame-core tube structure system to ensure the stability of building, and in order to reduce the lateral displacement of the structure system under horizontal wind load and seismic action, strengthens the connection of peripheral frame and core tube, generally sets up stretch arm in the structure certain layer or certain several layers, and even sets up peripheral annular reinforcing belt (waist truss) reinforcing member between peripheral frame column when necessary, the layer stiffness of these reinforcing members is much larger than other layers, so it is called reinforcing layer, such as Figure 4 And Figure 5 Indicated. The height of reinforcing layer can be one floor height or multiple floor height. In actual engineering, generally sets up in the equipment layer and refuge layer of building.

[0003] In prior art, the reinforcing member in reinforcing layer is roughly divided into beam type and truss type two types. The type of beam in beam type reinforcing layer is divided into solid web beam and open hole beam two kinds;The truss of truss type reinforcing layer can be divided into inclined web truss and open web truss, such as Figure 6 、 Figure 7 、 Figure 8 And Figure 9 Indicated. But no matter what type of reinforcing layer of reinforcing member has the following shortcomings:

[0004] 1, the stiffness of reinforcing layer is larger, and the stiffness of upper and lower layers is easily changed, which is not conducive to aseismic.

[0005] 2, the section of reinforcing layer is larger, and the shear capacity is higher, which easily causes shear capacity mutation and weak layer of structure.

[0006] 3, the reinforcing layer with large stiffness causes stiffness mutation of structure, and internal force mutation of structure, so that the ductility yielding mechanism of “strong column weak beam” and “strong shear weak bending” is difficult to form under rare earthquake, which is not conducive to aseismic.

[0007] 4, the change of external environment temperature also causes large temperature stress of structure due to the constraint of reinforcing layer.

[0008] 5, the stiffness of stretch arm reinforcing layer is larger, and under seismic action, it is easily damaged, and it is difficult to replace and maintain in later period.

[0009] 6, the stiffness of stretch arm reinforcing layer is larger, and under seismic action, it easily causes damage of upper and lower layer members of reinforcing layer.

[0010] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0011] In view of the deficiencies of the prior art, the utility model provides a cantilever structure and cantilever reinforcing layer, which solves the problem that the stiffness of the reinforcing layer is large in the prior art, the safety of the people inside the building cannot be effectively guaranteed when natural disasters such as earthquakes occur, and the cantilever structure installed on the reinforcing layer is not easy to replace, and a large amount of time and manpower is wasted when replacement is needed.

[0012] The technical scheme of the utility model is as follows:

[0013] The utility model provides a cantilever structure is set up in high -rise building, high -rise building includes frame column, upper frame beam, lower frame beam and core barrel, this cantilever structure includes:

[0014] Constraint edge column, between the upper frame beam, the lower frame beam, between the frame column and the upper frame beam, the lower frame beam, the constraint edge column and between the core barrel and the upper frame beam, the lower frame beam, the constraint edge column all constitute the constraint edge frame;

[0015] Ear plate is welded in the inside of constraint edge frame;

[0016] Web is installed in the constraint edge frame through the ear plate, and the frame column, the upper frame beam, the lower frame beam and the core barrel are connected.

[0017] The utility model through setting up constraint edge column, ear plate and web realizes stiffness controllable, easily satisfies the ductility yielding mechanism of " strong column weak beam " " strong shear weak bending " greatly increases the stability of high -rise building when meeting natural disasters such as earthquake, further improves the security of the people inside high -rise building.

[0018] Preferably, at least one web hole is formed in the web, the web hole divides the web into at least two constraint edge frames to reduce the stiffness mutation.

[0019] Preferably, at least one stiffening rib plate is arranged on the web, and the at least one stiffening rib plate is arranged transversely and / or longitudinally to increase the local stability of the web.

[0020] Preferably, the ear plate is welded on the constraint edge frame by bevel penetration welding.

[0021] Preferably, the width of the ear plate is 100-200mm, the length of the ear plate is the same as the length of the constraint edge frame, the thickness of the ear plate is not less than 1.2 times the thickness of the web, and not less than 10mm.

[0022] Preferably, a threaded through hole is formed on the web plate, a threaded hole matched with the threaded through hole is formed on the ear plate, a bolt is arranged in the threaded hole through the threaded through hole, and the web plate and the ear plate are fixed.

[0023] Preferably, the web plate is a steel plate.

[0024] Preferably, the steel plate is one of a common steel plate, a low yield point steel plate, a corrugated steel plate or a combination of two or more thereof.

[0025] The utility model also provides a cantilevered arm reinforcing layer arranged in a high-rise building, which comprises the cantilevered arm structure.

[0026] Preferably, the cantilevered arm reinforcing layer is arranged in one, two or more layers in the high-rise building.

[0027] The utility model has the beneficial effects that:

[0028] 1. The utility model provides a cantilevered arm structure, which realizes controllable rigidity, no rigidity mutation and no shear bearing capacity mutation by arranging a web plate and a constraint edge column, easily meets the ductility yielding mechanism of "strong column weak beam" and "strong shear weak bending", greatly increases the stability of a high-rise building in a natural disaster such as an earthquake, and improves the safety performance of personnel in the high-rise building.

[0029] 2. The utility model connects the web plate and the constraint edge column by using an ear plate, can continue to replace the web plate in time after the web plate is damaged, is simple to operate and convenient to use, greatly saves time and manpower, and reduces the damage that the high-rise building may suffer during replacement of the web plate.

[0030] It should be understood that the implementation of any embodiment of the utility model does not mean that all or most of the beneficial effects described above are simultaneously achieved or reached. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only exemplary, and those skilled in the art can obtain other implementation drawings according to the provided drawings without creating any creative labor.

[0032] The structures, proportions, sizes, etc. shown in the specification are merely used to cooperate with the content disclosed in the specification, to be understood and read by those skilled in the art, and are not used to limit the implementation conditions of the utility model, and therefore do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0033] Figure 1 A front view of the cantilever structure (a single web opening is provided) provided by the utility model embodiment;

[0034] Figure 2 A top view of the cantilever structure provided by the utility model embodiment;

[0035] Figure 3 A front view of the cantilever structure (a plurality of web openings are provided) provided by the utility model embodiment;

[0036] Figure 4 A structural plan view of a frame-core tube structure system with a reinforcing layer in the prior art;

[0037] Figure 5 A sectional view of a frame-core tube structure system with a reinforcing layer in the prior art;

[0038] Figure 6 A schematic view of a beam-type reinforcing layer structure (solid web beam) in the prior art;

[0039] Figure 7 A schematic view of a beam-type reinforcing layer structure (open web beam) in the prior art;

[0040] Figure 8 A schematic view of a truss-type reinforcing layer structure (diagonal web truss) in the prior art;

[0041] Figure 9 A schematic view of a truss-type reinforcing layer structure (open web truss) in the prior art.

[0042] Markings in the figure:

[0043] 1-upper frame beam; 2-lower frame beam; 3-core tube; 4-frame column; 5-constraint edge column; 6-ear plate; 7-web; 8-web opening; 9-high-strength bolt; 10-stiffened rib plate

[0044] The same or corresponding markings in the figure represent the same or corresponding parts. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the embodiments of the present application are further described in detail below with reference to the drawings. Herein, the illustrative embodiments of the present application and the description thereof are used to explain the present application, but are not used as a limitation of the present application.

[0046] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] It should be understood that the terms "including", "containing", "consisting of" or any other variants are intended to cover non-exclusive inclusion, so that the product, device, process or method including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes the elements inherent to such product, device, process or method. Without more limitations, the elements defined by the statement "including", "containing", "consisting of" do not exclude the presence of other identical elements in the product, device, process or method including the elements.

[0048] It should also be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices, components or structures referred to must have a particular orientation, be constructed or operated in a particular orientation, and cannot be understood as a limitation of the present application.

[0049] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0050] The utility model relates to building structure technical field especially, it relates to a stretch arm structure and reinforcing layer, the utility model discloses through using restraint edge column 5 and web 7, reduces stiffness mutation and shearing capacity mutation, protects reinforcing layer, and simultaneously sets up lug plate 6 and connects restraint edge column 5 and web 7, and web 7 detachably installs on lug plate 6, can directly change after web 7 damage, convenient operation greatly saves manpower and time.

[0051] Embodiment one

[0052] The implementation of the utility model is described in detail below in combination with preferred embodiments.

[0053] As Figures 1-2 The utility model discloses a stretch arm structure, which is applied to super high-rise buildings and high-rise buildings, solves the problem of large stiffness of the reinforcing layer in the prior art, easy stiffness mutation, and inability to effectively protect the safety of people in the building during disasters such as earthquakes, and the problem of difficulty in disassembling the stretch arm structure in the reinforcing layer and difficulty in later maintenance.

[0054] In the embodiment, the stretch arm structure mainly includes a restraint edge column 5, a lug plate 6, and a web 7, and the high-rise building includes a frame column 4, an upper frame beam 1, a lower frame beam 2, and a core tube 3. The restraint edge column 5 is connected between the frame column 4, the upper frame beam 1, and the lower frame beam 2, and between the upper frame beam 1, the lower frame beam 2, and the core tube 3, to form a restraint edge frame.

[0055] The lug plate 6 is arranged on the inner side of the restraint edge frame, and the web 7 connects the frame column 4, the upper frame beam 1, the lower frame beam 2, and the core tube 3 through the lug plate 6, to reduce stiffness mutation and shearing capacity mutation, improve the stability of the high-rise building in natural disasters, and increase the survival rate of people inside the high-rise building.

[0056] In the utility model, the lug plate 6 is welded in the restraint edge frame (specifically, the lug plate 6 is welded in the frame column 4, the upper frame beam 1, the lower frame beam 2, the restraint edge column 5, and the core tube 3) by using the groove fusion welding technology. The width of the lug plate 6 is 100-200 mm, the length of the lug plate 6 is the same as the length of the restraint edge frame, the thickness of the lug plate 6 is not less than 10 mm, and the thickness of the lug plate 6 is greater than 1.2 times the thickness of the web 7. This is because the lug plate 6 is an intermediate connection between the web 7 and the restraint edge frame. On the one hand, limiting the thickness of the lug plate 6 can significantly improve the carrying capacity and durability of the lug plate 6. On the other hand, when bearing pressure and tension, the thicker lug plate 6 can better disperse stress and prevent the web 7 from deforming or breaking. Limiting the thickness ratio of the lug plate 6 to the web 7 is based on the comprehensive consideration of structural stability, carrying capacity, and manufacturing cost and process performance, which can ensure that the web 7 exhibits excellent performance and durability during use, thereby meeting the needs of modern engineering technology.

[0057] In order to achieve better use effect, the width of the lug plate 6 is 150mm, and the thickness of the lug plate 6 is 2 times the thickness of the web plate 7.

[0058] The web plate 7 and the lug plate 6 are connected through the high-strength bolt 9, wherein the threaded through hole is arranged on the web plate 7, the threaded hole is arranged on the lug plate 6, the high-strength bolt 9 is arranged in the threaded hole through the threaded through hole, in order to ensure the stability of the installation, the nut can be additionally arranged to be fixedly installed, and the stability of the connection between the web plate 7 and the lug plate 6 is ensured.

[0059] In the utility model, the web plate 7 adopts a steel plate, which can adopt a common steel plate, can adopt a corrugated steel plate, or can adopt a low yield point steel plate with deep drawing performance and deep drawing performance, wherein the corrugated steel plate has high strength and rigidity, can withstand large load and wind pressure, and has light weight, and can meet the working requirement of the web plate 7, and the low yield point steel plate has excellent deep drawing performance and deep drawing performance, can absorb a large amount of earthquake energy, reduce the damage of high-rise buildings in the event of disasters such as earthquakes, and improve the stability of high-rise buildings in the event of disasters such as earthquakes.

[0060] Meanwhile, in order to better reduce the rigidity mutation of the high-rise building, the web plate 7 can also be provided with a web plate opening 8 in the utility model, the web plate opening 8 divides the web plate 7 into at least two constraint frames, and the size and position of the web plate opening 8 can be determined according to the function and structural strength of the high-rise building. Figure 1 As shown in the figure, the web plate 7 is provided with a single web plate opening 8. Figure 3 As shown in the figure, the web plate 7 is provided with a plurality of web plate openings 8.

[0061] Meanwhile, the opening direction of the web plate opening 8 is parallel to the vertical center line of the high-rise building.

[0062] When the web plate 7 is provided with the web plate opening 8, the edge of the web plate opening 8 is provided with the constraint edge column 5, and the four ends of the web plate 7 are connected with the upper frame beam 1, the lower frame beam 2, the frame column 4 and the constraint edge column 5 or the upper frame beam 1, the lower frame beam 2, the core tube 3 and the constraint edge column 5 or the upper frame beam 1, the lower frame beam 2 and the two constraint edge columns 5 through the lug plate 6, so that the rigidity mutation and the shear load capacity mutation of the high-rise building can be reduced, the mutation of the upper frame beam 1 and the lower frame beam 2 can be avoided, and the energy consumption capacity of the high-rise building can be improved.

[0063] Meanwhile, in order to further prolong the service life of the web plate 7, the stiffened rib plate 10 is arranged on the web plate 7, the stiffened rib plate 10 is arranged transversely and / or longitudinally, the two ends of the stiffened rib plate 10 are perpendicular to the web plate 7, that is to say, taking the vertical center line of the web plate 7 as an example, the stiffened rib plate 10 can be parallel to the vertical center line or perpendicular to the vertical center line, and the number of the stiffened rib plate 10 is at least one. In this way, the local instability of the web plate 7 before yielding can be avoided.

[0064] In order to further understand the utility model, the following specific operation modes are given.

[0065] Firstly, the web plate 7, the ear plate 6 and the constraint edge column 5 are transported into the high-rise building, then the ear plate 6 and the constraint edge column 5 are placed in the appropriate positions according to the shape of the web plate 7, then the web plate 7 is placed, after checking that the position is correct, the web plate 7 is removed, and the ear plate 6 and the constraint edge column 5 are welded to the upper frame beam 1, the lower frame beam 2, the frame column 4 and the core tube 3 by means of the bevel fusion welding, then the web plate 7 is installed on the ear plate 6 by means of the high-strength bolt 9, and the installation is completed.

[0066] When the earthquake occurs or the web plate 7 is found to be damaged, the high-strength bolt 9 is removed, and the new web plate 7 can be replaced.

[0067] The stretch-out arm structure provided by the utility model has the following advantages.

[0068] 1. The rigidity of the stretch-out arm structure is controllable, and there is no rigidity mutation and shear bearing capacity mutation.

[0069] 2. The internal force of the structure of the stretch-out arm structure is continuous, and the ductile yielding mechanism of "strong column and weak beam" and "strong shear and weak bending" can be easily met.

[0070] 3. The stretch-out arm structure has strong energy dissipation capacity and good structural ductility, can provide accessory damping for the high-rise building, and can guarantee the safety and reliability of the high-rise building under the action of strong earthquakes.

[0071] 4. The stretch-out arm structure has simple structure, convenient construction and strong operability, the web plate 7 is easy to replace after the earthquake, and the building function will not be interrupted for a long time.

[0072] Embodiment two

[0073] The stretch-out arm reinforcing layer provided by the embodiment comprises the stretch-out arm structure mentioned in the embodiment one, wherein the stretch-out arm reinforcing layer is arranged in the high-rise building and the super high-rise building, and can be arranged in single layer, double layers or multiple layers according to the requirement, and under the reciprocating action of strong earthquakes after the earthquake, the stretch-out arm structure in the reinforcing layer deforms, the web plate 7 is in tension or compression yielding, the seismic energy is dissipated, and the safety and reliability of the high-rise building are protected.

[0074] When the earthquake is over, if the web plate 7 is damaged, the high-strength bolt 9 can be removed, and the web plate 7 can be replaced.

[0075] The above has described various embodiments of the present application, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A cantilever structure provided in a high-rise building including a frame column, an upper frame beam, a lower frame beam, and a core tube, characterized by, The outrigger structure comprises: a constraint edge column, the frame column and the upper frame beam, the lower frame beam, the constraint edge column, and the core tube and the upper frame beam, the lower frame beam, the constraint edge column, all form a constraint edge frame; an ear plate welded to the inner side of the constraint edge frame; a web plate mounted to the inner side of the constraint edge frame through the ear plate, connecting the frame column, the upper frame beam, the lower frame beam and the core tube.

2. The cantilever structure of claim 1, wherein At least one web plate hole is provided on the web plate, which divides the web plate into at least two constraint edge frames to reduce the stiffness mutation.

3. The cantilever structure of claim 1, wherein At least one stiffening rib plate is provided on the web plate, which is arranged transversely and / or longitudinally to increase the local stability of the web plate.

4. The cantilever structure of claim 1, wherein The ear plate is welded to the constraint edge frame by bevel penetration welding.

5. The cantilevered structure of claim 1, wherein, The width of the ear plate is 100-200mm, the length is the same as the length of the constraint edge frame, the thickness is not less than 1.2 times the thickness of the web plate, and not less than 10mm.

6. The cantilevered structure of claim 1, wherein, Threaded holes are provided on the web plate, and threaded holes are provided on the ear plate, which are matched with each other, and bolts are arranged in the threaded holes to fix the web plate and the ear plate.

7. The cantilevered structure of claim 1, wherein, The web plate is a steel plate.

8. The cantilever structure of claim 7, wherein The steel plate is one of ordinary steel plate, low yield point steel plate, corrugated steel plate or a combination of several thereof.

9. A outrigger strengthening layer arranged in a high-rise building, characterized in that The outrigger structure comprises:

10. The outrigger reinforcement layer of claim 9, wherein, The outrigger reinforcing layer is arranged in single layer, two layers or multiple layers in high-rise buildings.