CN111691546A - Anti-seismic cantilever structure - Google Patents
Anti-seismic cantilever structure Download PDFInfo
- Publication number
- CN111691546A CN111691546A CN202010367448.2A CN202010367448A CN111691546A CN 111691546 A CN111691546 A CN 111691546A CN 202010367448 A CN202010367448 A CN 202010367448A CN 111691546 A CN111691546 A CN 111691546A
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- Prior art keywords
- cantilever
- core barrel
- foundation
- earthquake
- plate
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/34—Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability
- E04B1/3416—Structures comprising mainly a central support column and a cantilevered roof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses an earthquake-resistant cantilever structure, which comprises: the device comprises a foundation, a core tube, an overhanging plate, an anchor rod, a disc-shaped spring group, an overhanging structure and a guy cable; a foundation embedded part is embedded in the foundation; the core barrel is vertically arranged on the top surface of the foundation; the cantilever plate is horizontally fixed on the side wall of the core barrel close to the foundation; the number of the anchor rods is multiple, and the anchor rods are vertically arranged; two ends of the anchor rod respectively penetrate through the cantilever plate and the foundation embedded part and are fastened through high-strength nuts; the disc spring group is sleeved at the top end of the anchor rod and tightly propped between the top surface of the cantilever plate and the high-strength nut at the top end; the cantilever structure is fixed on the core barrel; the number of the guy cables is multiple; one end of the inhaul cable is fixed with the top end of the core barrel, and the other end of the inhaul cable is fixed with the cantilever end at the topmost end of the cantilever structure. The invention solves the problem of poor stability of the super high-rise cantilever structure, and enables the structure to have the capability of quickly recovering the use function after an earthquake.
Description
Technical Field
The invention relates to the technical field of energy dissipation and shock absorption systems, in particular to an anti-seismic cantilever structure.
Background
At present, the planned land is fully utilized, and the modern safety standard increasingly pays attention to the safety of the structure, the existing cantilever structure not only has architectural aesthetics, but also fully utilizes high-rise space, and the occupied area of the structure is smaller than that of the traditional building structure. But because the upper part of the overhanging structure has larger mass, the damage of the earthquake action to the structure is larger than that of a non-overhanging structure, the wind-resistant and earthquake-resistant design of the structure is more complicated, and the traditional earthquake-resistant design is difficult to provide sufficient safety guarantee for the overhanging structure.
Therefore, it is an urgent need to solve the above-mentioned problems in the art to develop an overhanging structure that can stably bear force on the upper structure, has little structural damage, and can quickly recover its function after an earthquake.
Disclosure of Invention
In view of the above, the present invention provides an anti-seismic cantilever structure, which aims to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
an earthquake resistant cantilevered structure comprising: the device comprises a foundation, a core tube, an overhanging plate, an anchor rod, a disc-shaped spring group, an overhanging structure and a guy cable;
a foundation embedded part is embedded in the foundation;
the core barrel is vertically arranged on the top surface of the foundation;
the cantilever plate is horizontally fixed on the side wall of the core barrel close to the foundation;
the number of the anchor rods is multiple, and the anchor rods are vertically arranged; two ends of the anchor rod respectively penetrate through the cantilever plate and the foundation embedded part and are fastened through high-strength nuts;
the disc spring set is sleeved at the top end of the anchor rod and tightly propped between the top surface of the cantilever plate and the high-strength nut at the top end;
the cantilever structure is fixed on the core barrel;
the number of the inhaul cables is multiple; one end of the inhaul cable is fixed with the top end of the core barrel, and the other end of the inhaul cable is fixed with the cantilever end at the topmost end of the cantilever structure.
Through the technical scheme, when earthquake load or wind load acts, the structure swings, the cantilever plate at the bottom of the core cylinder inclines and presses the disc spring set, and the disc spring set generates counter force to force the structure to return to the initial position, so that the effect of enabling the structure to automatically reset is achieved; meanwhile, due to the limitation of the high-strength nut on the disc spring set, the maximum swing position of the structure is limited by the height of the high-strength nut, and the swing controllability is improved. Because the cable of core section of thick bamboo upper end is connected with the structure of encorbelmenting, eliminated the influence of part moment of flexure to the structure of encorbelmenting, promoted the wholeness of encorbelmenting part and structure to reduce the swing of a core section of thick bamboo. The invention solves the problem of poor stability of the super high-rise cantilever structure, and enables the structure to have the capability of quickly recovering the use function after an earthquake.
Preferably, in the earthquake-resistant cantilever structure, a support plate is fixed between the bottom surface of the cantilever plate and the side wall of the core barrel. The structural stability of the cantilever plate can be effectively improved.
Preferably, in the earthquake-resistant cantilever structure, a limiting device for limiting the core barrel to slide is arranged on the top surface of the foundation. Can prevent that core section of thick bamboo from taking place to slide, influencing structural stability.
Preferably, in the above earthquake-resistant overhanging structure, the limiting device is a groove provided in the top surface of the foundation and used for inserting the bottom end of the core tube. The groove structure is simple and effective, and is convenient for processing and forming.
Preferably, in the above earthquake-resistant cantilever structure, the cantilever structure is a truss. Other cantilevered configurations are possible.
Preferably, in the above earthquake-resistant cantilever structure, the cantilever plate is fixed around the core tube. The structural stability is stronger.
Preferably, in the earthquake-resistant cantilever structure, the foundation embedded part is a steel plate which is horizontally arranged and is provided with a through hole for the anchor rod to pass through. The anchor rod is convenient to connect and fix.
Preferably, in the earthquake-resistant cantilever structure, a prepared hole for the anchor rod to pass through is prepared on the cantilever plate. The anchor rod is convenient to connect and fix.
Preferably, in the earthquake-resistant cantilever structure, the cantilever plate is welded and fixed to the side wall of the core tube. The connection is simple, convenient, stable and reliable.
According to the technical scheme, compared with the prior art, the invention discloses an anti-seismic cantilever structure, which has the following beneficial effects:
1. the invention solves the problems that the residual deformation of the structure after the earthquake is difficult to eliminate and the like, and the structure has the capability of quickly recovering the use function after the earthquake; during earthquake, the core barrel swings, and the disc spring set is forced through the inclination of the cantilever plate at the bottom of the core barrel, so that the effect of self-resetting of the core barrel is achieved, and the self-resetting of the super high-rise cantilever structure is realized.
2. The inhaul cable at the upper end of the core barrel is connected with the cantilever structure, so that the influence of a part of bending moment on the cantilever structure is eliminated, and the deflection of the cantilever end is reduced.
3. Compared with the traditional prestress self-resetting device, the self-resetting assembly consisting of the disc spring set, the high-strength nut, the anchor rod and the cantilever plate has higher safety and operability, and meanwhile, due to the limitation of the high-strength nut, the deformation limit of the disc spring set can be used as the safety swing limitation of the structure, so that the structure is prevented from being unstable due to larger swing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure provided by the present invention;
fig. 2 is a schematic view of a partial structure provided by the present invention.
Wherein:
1-disc spring group;
2-a cantilever plate;
3-a support plate;
4-high-strength nut;
5-basic embedded parts;
6-anchor rod;
7-a limiting device;
8-a pull cable;
9-a core barrel;
10-overhanging structure;
11-base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, an embodiment of the invention discloses an earthquake-resistant cantilever structure, which comprises: the device comprises a foundation 11, a core barrel 9, a cantilever plate 2, an anchor rod 6, a disc-shaped spring group 1, a cantilever structure 10 and a guy cable 8;
a foundation embedded part 5 is embedded in the foundation 11;
the core barrel 9 is vertically arranged on the top surface of the base 11;
the cantilever plate 2 is horizontally fixed on the side wall of the core barrel 9 close to the foundation 1;
the number of the anchor rods 6 is multiple and the anchor rods are vertically arranged; two ends of an anchor rod 6 respectively penetrate through the cantilever plate 2 and the basic embedded part 5 and are fastened through a high-strength nut 4;
the disc-shaped spring group 1 is sleeved at the top end of the anchor rod 6 and tightly propped between the top surface of the cantilever plate 2 and the high-strength nut 4 at the top end;
the cantilever structure 10 is fixed on the core barrel 9;
the number of the inhaul cables 8 is multiple; one end of the inhaul cable 8 is fixed with the top end of the core barrel 9, and the other end of the inhaul cable is fixed with the cantilever end at the topmost end of the cantilever structure 10.
In order to further optimize the above technical solution, a support plate 3 is fixed between the bottom surface of the cantilever plate 2 and the sidewall of the core barrel 9.
In order to further optimize the technical scheme, the top surface of the foundation 11 is provided with a limiting device 7 for limiting the core barrel 9 to slide.
In order to further optimize the technical scheme, the limiting device 7 is a groove which is formed in the top surface of the base 11 and used for inserting the bottom end of the core barrel 9.
In order to further optimize the above technical solution, the cantilever structure 10 is a truss.
In order to further optimize the technical scheme, the cantilever plates 2 are fixed around the core barrel 9.
In order to further optimize the above technical solution, the basic embedment 5 is a horizontally arranged steel plate having a through hole for the bolt 6 to pass through.
In order to further optimize the technical scheme, a preformed hole for the anchor rod 6 to penetrate is preformed in the cantilever plate 2.
In order to further optimize the technical scheme, the cantilever plate 2 is fixedly welded with the side wall of the core barrel 9.
The working principle of the invention is as follows:
when an earthquake occurs, the core barrel 9 swings, and the disc spring group 1 is forced through the inclination of the cantilever plate 2 at the bottom of the core barrel 9, so that the effect of enabling the core barrel 9 to be self-reset is achieved. The inhaul cable 8 at the upper end of the core barrel 9 can be connected with the cantilever structure 10, and the influence of a part of bending moment on the cantilever structure 10 is eliminated, so that the swinging of the core barrel 9 is reduced, and the self-resetting of the super high-rise cantilever structure is realized.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a structure of encorbelmenting of antidetonation which characterized in that includes: the anchor rod type suspension arm comprises a foundation (11), a core barrel (9), a suspension plate (2), an anchor rod (6), a disc-shaped spring group (1), a suspension structure (10) and an inhaul cable (8);
a foundation embedded part (5) is embedded in the foundation (11);
the core barrel (9) is vertically arranged on the top surface of the base (11);
the cantilever plate (2) is horizontally fixed on the side wall of the core barrel (9) close to the foundation (1);
the number of the anchor rods (6) is multiple and the anchor rods are vertically arranged; two ends of the anchor rod (6) respectively penetrate through the cantilever plate (2) and the basic embedded part (5) and are fastened through a high-strength nut (4);
the disc-shaped spring group (1) is sleeved at the top end of the anchor rod (6) and tightly propped between the top surface of the cantilever plate (2) and the high-strength nut (4) at the top end;
the cantilever structure (10) is fixed on the core barrel (9);
the number of the inhaul cables (8) is multiple; one end of the inhaul cable (8) is fixed with the top end of the core barrel (9), and the other end of the inhaul cable is fixed with the cantilever end at the topmost end of the cantilever structure (10).
2. An earthquake-resistant cantilever structure according to claim 1, wherein a support plate (3) is fixed between the bottom surface of the cantilever plate (2) and the side wall of the core barrel (9).
3. An earthquake-resistant cantilever structure according to claim 1, wherein the foundation (11) has a limiting means (7) on its top surface for limiting the slippage of the core barrel (9).
4. An earthquake-resistant cantilever structure according to claim 3, wherein, the limiting device (7) is a groove which is arranged on the top surface of the foundation (11) and used for inserting the bottom end of the core barrel (9).
5. An earthquake-resistant cantilever structure according to claim 1, wherein the cantilever structure (10) is a truss.
6. An earthquake-resistant cantilever structure according to claim 1, wherein the cantilever plates (2) are fixed around the core barrel (9).
7. An earthquake-resistant cantilever structure according to claim 1, wherein the basic embedded part (5) is a horizontally arranged steel plate having a through hole for the bolt (6) to pass through.
8. An earthquake-resistant cantilever structure according to claim 1, wherein the cantilever plate (2) is provided with a prepared hole for the anchor rod (6) to pass through.
9. An earthquake-resistant cantilever structure according to claim 1, wherein the cantilever plate (2) is welded to the side wall of the core barrel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010367448.2A CN111691546A (en) | 2020-04-30 | 2020-04-30 | Anti-seismic cantilever structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010367448.2A CN111691546A (en) | 2020-04-30 | 2020-04-30 | Anti-seismic cantilever structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111691546A true CN111691546A (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010367448.2A Pending CN111691546A (en) | 2020-04-30 | 2020-04-30 | Anti-seismic cantilever structure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010004092U1 (en) * | 2010-03-23 | 2010-06-10 | Schmidt, Rainer | Roofing device for parking and parking for vehicles |
| CN102720269A (en) * | 2012-04-04 | 2012-10-10 | 中国航空规划建设发展有限公司 | Multilayer cantilever rigid cylindrical structure system |
| CN107354946A (en) * | 2017-08-16 | 2017-11-17 | 中铁第四勘察设计院集团有限公司 | A kind of supporting construction of encorbelmenting for foundation pit steel support |
| CN107435455A (en) * | 2017-08-23 | 2017-12-05 | 陈云 | Self-resetting steel frame |
| CN110984420A (en) * | 2019-11-25 | 2020-04-10 | 海南大学 | Prefabricated assembly type toughness combined shear wall structure and construction and installation method thereof |
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
-
2020
- 2020-04-30 CN CN202010367448.2A patent/CN111691546A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010004092U1 (en) * | 2010-03-23 | 2010-06-10 | Schmidt, Rainer | Roofing device for parking and parking for vehicles |
| CN102720269A (en) * | 2012-04-04 | 2012-10-10 | 中国航空规划建设发展有限公司 | Multilayer cantilever rigid cylindrical structure system |
| CN107354946A (en) * | 2017-08-16 | 2017-11-17 | 中铁第四勘察设计院集团有限公司 | A kind of supporting construction of encorbelmenting for foundation pit steel support |
| CN107435455A (en) * | 2017-08-23 | 2017-12-05 | 陈云 | Self-resetting steel frame |
| CN110984420A (en) * | 2019-11-25 | 2020-04-10 | 海南大学 | Prefabricated assembly type toughness combined shear wall structure and construction and installation method thereof |
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
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