CN108951906B - Anti-seismic energy consumption device for key parts of masonry structure and installation method of anti-seismic energy consumption device - Google Patents
Anti-seismic energy consumption device for key parts of masonry structure and installation method of anti-seismic energy consumption device Download PDFInfo
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- CN108951906B CN108951906B CN201810797094.8A CN201810797094A CN108951906B CN 108951906 B CN108951906 B CN 108951906B CN 201810797094 A CN201810797094 A CN 201810797094A CN 108951906 B CN108951906 B CN 108951906B
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- 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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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Abstract
The invention discloses an anti-seismic energy consumption device of a masonry structure key part and an installation method thereof, the anti-seismic energy consumption device comprises wall surfaces, window holes with corresponding positions are distributed on the surfaces of the wall surfaces in parallel, the wall surfaces between the window holes are arranged as inter-window walls, steel nests sleeved with the masonry walls are arranged around the window holes, sleeve supports integrally formed in a welding mode are arranged on the surfaces of the steel nests, the sleeve supports are arranged in pairs, the directions of the sleeve supports are the same, steel materials are screwed into the sleeve supports, buckling-restrained constraint sleeves are sleeved on the surfaces of the steel materials, turnbuckle screws are arranged at hollow opposite positions between the steel materials, and the steel materials, the constraint sleeves and the turnbuckle screws in the sleeve supports form anti-seismic energy consumption steel bars of the inter-window walls, so that X-shaped cross cracks are avoided, and the overall collapse of a building is caused, so that the overall side-moving rigidity and the ductility of the masonry structure are improved comprehensively.
Description
Technical Field
The invention relates to the technical field of building structure reinforcement, in particular to an anti-seismic energy consumption device for key parts of a masonry structure and an installation method thereof.
Background
The wall is a very critical stress part in the masonry structure, and is not only subjected to vertical compression load action of an upper structure, but also subjected to horizontal load action of earthquake and wind, and particularly X-shaped cross cracks are very easy to appear in the wall after a large earthquake, so that the whole collapse of a building is caused, the point is completely verified by a large number of collapsed masonry structure buildings in the Wenchuan earthquake, great potential safety hazards exist, and the wall is particularly important for some excellent historical protection buildings and small city and county museums, and at present, the buildings do not have corresponding anti-seismic energy consumption technologies, and the requirements of social development cannot be met.
In view of the above, aiming at the defects of the prior art, a vibration-resistant energy dissipation device of a key part of a masonry structure is particularly needed to solve the defects of the prior art.
Disclosure of Invention
Aiming at the problems in the prior art, potential safety hazards exist in an earthquake, the invention provides the earthquake-resistant energy consumption device for the key parts of the masonry structure and the installation method thereof, which are novel in design, not only can realize the horizontal shearing area reinforcement of the inter-window wall, but also can form a local small-sized tension-compression energy dissipation device for the inter-window wall at the same time, and have excellent safety performance, thereby solving the defects in the prior art.
In order to achieve the above object, the technical scheme of the present invention is as follows:
the utility model provides an antidetonation power consumption device at brickwork structure key position, including the wall, the surface parallel distribution of wall has the corresponding window hole in position, the wall between the window hole sets up to the wall between the window, be provided with the steel nest of cup jointing the brickwork wall around the window hole, the surface of steel nest is provided with the sleeve pipe support through welding mode integrated into one piece, the sleeve pipe support is to setting up, every orientation to the sleeve pipe support is the same, every has all screwed steel to the sleeve pipe support inside, the surface cover of steel has the restraint sleeve pipe of buckling restrained, hollow opposition department is provided with the turnbuckle between the steel, every is to the inside steel of sleeve pipe support, restraint sleeve pipe, the antidetonation power consumption reinforcing bar of turnbuckle constitution wall between the window.
Furthermore, the steel nest is made of carbon steel, and the steel nest is U-shaped.
Further, the sleeve supports between adjacent window holes are in the same horizontal plane.
Furthermore, steel nesting is arranged on the inner side and the outer side of the window hole.
Further, the turnbuckle of the invention adopts a high-strength closed turnbuckle.
Furthermore, the steel material is cylindrical, low-yield-strength energy-consumption steel material is adopted, and LY100, LY160 or LY225 is adopted.
Furthermore, the inclined end of the sleeve support is provided with the earthquake-resistant and energy-consuming steel bars which are arranged in a crossing way.
The method for installing the anti-seismic energy consumption device at the key part of the masonry structure comprises the following steps:
1) The sleeve support which is arranged oppositely is welded on the U-shaped common steel nest in advance according to the design requirement and the direction which is adjusted;
2) Respectively placing the U-shaped steel nest at window holes on two sides of the inter-window wall;
3) One end of the circular energy-consuming steel is screwed into the circular sleeve support to be connected, the other end of the circular energy-consuming steel is sleeved with the buckling-restrained sleeve, and then the circular energy-consuming steel is connected with the other circular energy-consuming steel through the high-strength closed turnbuckle, so that a complete energy-consuming steel bar with repeated pulling, pressing and hysteresis energy consumption is formed;
4) Repeating the step 3 according to the design requirement, wherein the energy-consuming steel bars are formed in a horizontal direction and a cross direction, so that a local tension-compression energy dissipation device is formed, and the arrangement of earthquake resistance and energy consumption of the wall between the windows at the position is completed;
5) And (3) repeating the step (2) and the step (3) according to design requirements, and arranging the inner surface and the outer surface of the wall body to finally finish the whole anti-seismic energy consumption arrangement of the masonry structure.
The beneficial effects of the invention are as follows: the novel horizontal shear wall is simple to manufacture and convenient to construct, not only can the horizontal shear area of the wall between the windows be reinforced, but also a local small-sized tension-compression energy dissipation device can be formed on the wall between the windows, the safety performance is excellent, X-shaped cross cracks are avoided from occurring on the wall between the windows, so that the whole collapse of a building is caused, the whole lateral movement rigidity and the ductility of a masonry structure are comprehensively improved, the practicability is excellent, the novel horizontal shear wall is a good innovation scheme, and the novel horizontal shear wall has a market popularization prospect.
Drawings
The invention is described in detail below with reference to the attached drawing figures and the detailed description:
FIG. 1 is a view of the position of the wall between windows of the present invention;
FIG. 2 is a block diagram of the seismic energy dissipation of the invention;
FIG. 3 is a cross-sectional view of the invention A-A;
FIG. 4 is a cross-sectional view of the invention B-B;
FIG. 5 is a block diagram of the earthquake resistant and energy-dissipating wall surface of the present invention;
in the figure, 100 parts of wall surfaces, 110 parts of window holes, 120 parts of steel materials, 130 parts of turnbuckle screws, 140 parts of steel nesting, 150 parts of masonry walls and 160 parts of sleeve supports.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, an anti-seismic and energy-consuming device for key parts of a masonry structure, the anti-seismic and energy-consuming device comprises a wall surface 100, window holes 110 corresponding to the positions are distributed on the surface of the wall surface 100 in parallel, the wall surface between the window holes 110 is set to be a window wall, steel nesting 140 sleeved with masonry walls 150 are arranged around the window holes 110, sleeve supports 160 integrally formed in a welding mode are arranged on the surface of the steel nesting 140, the sleeve supports 160 are oppositely arranged, the directions of the sleeve supports 160 are the same, steel 120 are screwed into the sleeve supports 160, buckling restrained sleeves are sleeved on the surface of the steel 120, and anti-seismic and energy-consuming steel bars of the window wall are formed by the steel 120, the restrained sleeves and the turnbuckle screws 130 in the interior of the sleeve supports 160.
In addition, the steel nest 140 is made of carbon steel, and the steel nest 140 is U-shaped. The sleeve mount 160 between adjacent window openings 110 is at the same level. The window opening 110 is provided with steel nests 140 on both the inner and outer sides. The turnbuckle 130 is a high strength closed turnbuckle. The steel 120 is cylindrical, the steel 120 adopts low yield strength energy consumption steel, and the steel 120 adopts LY100, LY160 or LY225. The inclined ends of the sleeve holders 160 are provided with earthquake-resistant and energy-consuming bars arranged in a crossing manner.
A method for installing an anti-seismic energy consumption device at key parts of a masonry structure,
1) The sleeve support which is arranged oppositely is welded on the U-shaped common steel nest in advance according to the design requirement and the direction which is adjusted;
2) Respectively placing the U-shaped steel nest at window holes on two sides of the inter-window wall;
3) One end of the circular energy-consuming steel is screwed into the circular sleeve support to be connected, the other end of the circular energy-consuming steel is sleeved with the buckling-restrained sleeve, and then the circular energy-consuming steel is connected with the other circular energy-consuming steel through the high-strength closed turnbuckle, so that a complete energy-consuming steel bar with repeated pulling, pressing and hysteresis energy consumption is formed;
4) Repeating the step 3 according to the design requirement, wherein the energy-consuming steel bars are formed in a horizontal direction and a cross direction, so that a local tension-compression energy dissipation device is formed, and the arrangement of earthquake resistance and energy consumption of the wall between the windows at the position is completed;
5) And (3) repeating the step (2) and the step (3) according to design requirements, and arranging the inner surface and the outer surface of the wall body to finally finish the whole anti-seismic energy consumption arrangement of the masonry structure.
According to the invention, through the vibration-resistant energy-consuming arrangement of the multi-position inter-window wall, not only can the inter-window wall be reinforced horizontally to the sheared area be achieved, but also a local small tension-compression energy-dissipating device can be formed on the inter-window wall at the same time, so that the inter-window wall can enter the yield energy-consuming state in stages under small vibration, medium vibration and even large vibration, and the overall rigidity, bearing capacity, ductility and energy-consuming capacity of the masonry structure are comprehensively improved.
The invention relates to specific expansion and implementation of a building structure earthquake resistance target in a masonry structure in the existing building earthquake resistance standard, and particularly has the necessity of practical application to important buildings (such as excellent historical protection buildings, small city and county museums and the like).
According to the invention, the horizontal shearing area capacity of the inter-window wall can be improved under the small earthquake condition, and a local small tension-compression energy dissipation device can be formed at the inter-window wall under the medium and large earthquake conditions, so that the inter-window wall can enter a yield energy consumption state under the medium and large earthquake; the X-shaped cross cracks of the wall between the windows are avoided, so that the whole collapse of the building is caused, the whole lateral movement rigidity and ductility of the masonry structure are comprehensively improved, and the large and medium energy consumption support form of the building structure is transferred to the miniaturization direction and is popularized to the masonry structure. Because the overall side-shifting rigidity of the masonry structure is weaker (compared with a reinforced concrete structure), the miniaturized anti-seismic energy consumption device is more in line with the anti-seismic performance requirement of the masonry structure, and the overall side-shifting rigidity of the masonry structure is relatively matched with the anti-seismic energy consumption device, so that the practicability is strong.
The beneficial effects of the invention are as follows: the novel horizontal shear wall is simple to manufacture and convenient to construct, not only can the horizontal shear area of the wall between the windows be reinforced, but also a local small-sized tension-compression energy dissipation device can be formed on the wall between the windows, the safety performance is excellent, X-shaped cross cracks are avoided from occurring on the wall between the windows, so that the whole collapse of a building is caused, the whole lateral movement rigidity and the ductility of a masonry structure are comprehensively improved, the practicability is excellent, the novel horizontal shear wall is a good innovation scheme, and the novel horizontal shear wall has a market popularization prospect.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides an antidetonation power consumption device of brickwork structure key position, includes the wall, and the surface parallel distribution of wall has the corresponding window hole in position, and the wall between the window hole sets up to the wall between the window, its characterized in that: the periphery of the window hole is provided with a steel nest sleeved with a masonry wall, the surface of the steel nest is provided with sleeve supports integrally formed in a welding mode, the sleeve supports are arranged in pairs, the directions of the sleeve supports in each pair are the same, steel is screwed into the sleeve supports in each pair, the surfaces of the steel are sleeved with buckling-restrained sleeves, the hollow opposite positions among the steel are provided with turnbuckle screws, and the steel, the restrained sleeves and the turnbuckle screws in the sleeve supports in each pair form anti-seismic energy-consumption steel bars of the window wall; the inclined end of the sleeve support is provided with earthquake-resistant and energy-consuming steel bars which are arranged in a crossing way;
the sleeve supports between the adjacent window holes are positioned on the same horizontal plane;
the inner side and the outer side of the window hole are respectively provided with a steel nest.
2. The vibration-resistant energy-consuming device of claim 1, wherein: the steel nest is made of carbon steel, and is U-shaped.
3. The vibration-resistant energy-consuming device of claim 1, wherein: the turnbuckle adopts a high-strength closed turnbuckle.
4. The earthquake-resistant energy dissipation device for the key part of the masonry structure according to claim 1, wherein the steel is cylindrical, the steel adopts low yield strength energy dissipation steel, and the steel adopts LY100 or LY160 or LY225.
5. The method for installing an anti-seismic energy dissipation device at a key part of a masonry structure according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
1) The sleeve support which is arranged oppositely is welded on the U-shaped common steel nest in advance according to the design requirement and the direction which is adjusted;
2) Respectively placing the U-shaped steel nest at window holes on two sides of the inter-window wall;
3) One end of the circular energy-consuming steel is screwed into the circular sleeve support to be connected, the other end of the circular energy-consuming steel is sleeved with the buckling-restrained sleeve, and then the circular energy-consuming steel is connected with the other circular energy-consuming steel through the high-strength closed turnbuckle, so that a complete energy-consuming steel bar with repeated pulling, pressing and hysteresis energy consumption is formed;
4) Repeating the step 3 according to the design requirement, wherein the energy-consuming steel bars are formed in a horizontal direction and a cross direction, so that a local tension-compression energy dissipation device is formed, and the arrangement of earthquake resistance and energy consumption of the wall between the windows at the position is completed;
5) And (3) repeating the step (2) and the step (3) according to design requirements, and arranging the inner surface and the outer surface of the wall body to finally finish the whole anti-seismic energy consumption arrangement of the masonry structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810797094.8A CN108951906B (en) | 2018-07-19 | 2018-07-19 | Anti-seismic energy consumption device for key parts of masonry structure and installation method of anti-seismic energy consumption device |
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| CN201810797094.8A CN108951906B (en) | 2018-07-19 | 2018-07-19 | Anti-seismic energy consumption device for key parts of masonry structure and installation method of anti-seismic energy consumption device |
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| CN108951906A CN108951906A (en) | 2018-12-07 |
| CN108951906B true CN108951906B (en) | 2023-10-20 |
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| CN110080411B (en) * | 2019-06-06 | 2021-06-01 | 上海中测行工程检测咨询有限公司 | Method and device for resisting seismic energy consumption of key part of frame structure |
| CN111997400A (en) * | 2020-08-05 | 2020-11-27 | 上海中测行工程检测咨询有限公司 | Seismic-resistant energy consumption method and device for masonry structure system |
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