CN115450461A - Quick installation and construction method of seismic mitigation and isolation support for existing frame structure reinforcement - Google Patents

Quick installation and construction method of seismic mitigation and isolation support for existing frame structure reinforcement Download PDF

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Publication number
CN115450461A
CN115450461A CN202210967400.4A CN202210967400A CN115450461A CN 115450461 A CN115450461 A CN 115450461A CN 202210967400 A CN202210967400 A CN 202210967400A CN 115450461 A CN115450461 A CN 115450461A
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support
reduction
isolation
seismic isolation
double
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付素娟
李尚飞
崔少华
赵士永
强万明
郝雨杭
杜金
张晗
王金泽
匡田
甄茗灿
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Hebei Academy Of Architectural Sciences Co ltd
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Hebei Academy Of Architectural Sciences Co ltd
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Priority to CN202210967400.4A priority Critical patent/CN115450461A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/36Bearings or like supports allowing movement
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02Conveying or working-up concrete or similar masses able to be heaped or cast
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12Mounting of reinforcing inserts; Prestressing
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/18Adjusting tools; Templates
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, 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)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

The invention provides a quick installation and construction method of an earthquake reduction and isolation support for reinforcing an existing frame structure, which comprises the following steps: s1: the method comprises the following steps of (1) prefabricating components in a factory, wherein double L-shaped components and a steel bar truss are processed and manufactured in a factory prefabricating mode; s2: installing a double L-shaped component; s3: pouring the slurry; s4: installing a jack support; s5: cutting off the frame column by adopting a rope saw mode; s6: installing a seismic isolation and reduction support, jacking the cut-off column by using a jack, reserving a certain gap, hoisting the seismic isolation and reduction support, arranging an upper embedded part on the upper part of the seismic isolation and reduction buttress, and connecting the upper embedded part and the seismic isolation and reduction support by using a bolt so that the seismic isolation and reduction support and the upper part of the seismic isolation and reduction buttress form a whole; s7: installing a shock insulation layer member; s8: the invention has the characteristics of low construction cost, simple site construction, short construction period and convenient site management and actual operation.

Description

Quick installation and construction method of seismic mitigation and isolation support for existing frame structure reinforcement
Technical Field
The invention belongs to the technical field of existing building shock absorption and reinforcement, and particularly relates to a quick installation and construction method of a shock absorption and isolation support for existing frame structure reinforcement.
Background
In natural disasters, the influence of earthquakes on human life and national economy cannot be ignored. The structures of conventional design rely primarily on plastic deformation of the structure and components to dissipate energy, and their seismic performance depends largely on the level of ductility of the structure. In order to ensure that the upper structure is in an elastic state during a major earthquake and reduce the occurrence of plastic damage of the structure, the self-vibration period of the upper structure can be prolonged and the structural damping can be increased through a horizontal shock insulation structure system, so that the life safety of human beings is ensured and the economic loss of the earthquake to the human beings is reduced.
In China, a concrete structure system is widely applied, and a cast-in-place system of a concrete structure is developed and matured and is widely applied, but the defects of the cast-in-place system are very obvious: the building industrialization, which has the advantages of large labor consumption, poor operation conditions, long construction period, easy exceeding of cost and the like, can effectively save labor and improve building quality, has become an important development direction. In order to improve the earthquake and disaster prevention capability of construction projects, reduce earthquake disaster risks and guarantee life and property safety of people, relevant laws and regulations are formulated and issued by the nation, people-oriented principles, comprehensive defense and emphasis should be adhered to in earthquake prevention of construction projects, and the principle of combining defense-oriented principle and defense-resistance and rescue-resistance principle is adopted, so that the mechanisms of government supervision, social management and public participation are established. Therefore, on the basis of an assembly type, the research on reinforcing and reforming by using the quick mounting device of the seismic isolation support for reinforcing the existing frame structure plays an important role.
Disclosure of Invention
The invention aims to solve the technical problem of providing a quick installation and construction method of the seismic isolation and reduction support for reinforcing the existing frame structure, which has the advantages of low construction cost, simple field construction, short construction period and convenience for field management and actual operation.
In order to solve the technical problems, the invention adopts the technical scheme that:
a quick installation and construction method of an earthquake reduction and isolation support for reinforcing an existing frame structure comprises the following steps:
s1: the method comprises the following steps of (1) prefabricating components in a factory, wherein double L-shaped components and a steel bar truss are processed and manufactured in a factory prefabricating mode;
s2: installing double L-shaped components, conveying the components prefabricated in a factory to a construction site, drilling a frame column by using a water drill, then penetrating a bolt hole of the double L-shaped components and a hole on the frame column by using a split bolt, and fixing the split bolt on the bracket column;
s3: pouring slurry, wherein a plurality of mounting holes are uniformly formed in the bracket columns and the steel beams, friction type high-strength bolts penetrate through the mounting holes to be connected with the steel beams among the bracket columns, then the contour plates are fixed on the steel beams by using studs, prefabricated steel bar trusses are placed on the contour plates to be bound, and the slurry is poured after acceptance inspection to form truss rib floor bearing plates;
s4: mounting a jack support, placing the jack at a supporting position below the steel beam, correcting the elevation and the inclination angle of the assembled structure through a total station, and adjusting and correcting errors in time through slow pushing of the jack;
s5: cutting off the frame column by adopting a rope saw mode;
s6: installing an earthquake reduction and isolation support, jacking the cut-off column by using a jack, reserving a certain gap, hoisting the earthquake reduction and isolation support, arranging an upper embedded part on the upper part of the earthquake reduction and isolation buttress, and connecting the earthquake reduction and isolation support, the upper embedded part and the upper part of the earthquake reduction and isolation buttress by using bolts to enable the earthquake reduction and isolation support and the upper part of the earthquake reduction and isolation buttress to be integrated;
s7: installing a shock insulation layer component, arranging a lower embedded part at the lower part of the shock insulation and reduction buttress, and connecting the shock insulation and reduction support, the lower embedded part and the lower part of the shock insulation and reduction buttress by using bolts;
s8: and (3) concrete pouring and maintaining, namely pouring the seismic isolation support after the seismic isolation support is installed, wherein vibration is not allowed to collide other construction devices, so that the installation quality is prevented from being influenced by deviation or damage of an axis, an elevation and the flatness.
Further, in the step S1, the double L-shaped members include two L-shaped members symmetrically arranged, corresponding through holes are formed in opposite vertex angles of the L-shaped members, and high-strength bolts are arranged in the through holes in a penetrating manner.
Furthermore, a cow leg column is integrally formed on the outer side edge of the L-shaped member.
Further, in the step S2, the concrete surface is roughened, floating ash is cleaned, mortar, oil stain and the like are removed as required, and the concrete surface is connected by a stud after roughening is finished, so that the L-shaped member is fixed and fixed on the frame column.
Further, in the step S3, the front and rear ends of each corbel column of the double L-shaped members are symmetrically provided with a connecting plate, and after the corbel columns and the double L-shaped members are butted, the connecting plates are screwed and fixed by bolts.
Furthermore, in step S4, when measuring the elevation, choose the peak of truss muscle building carrier plate structure, monitor simultaneously, during the measurement angle, then require multi-direction simultaneous monitoring to improve the installation accuracy of truss muscle building carrier plate structure, adopt the method that the jack slowly pushed during the correction to rectify, after the completion of proofreading, carry out the bolt construction of structure, after the construction is accomplished, carry out retest to truss muscle building carrier plate structure, the retest is accepted after qualified.
Further, in the step S5, according to the structure and the hoisting position requirement of the frame column before cutting off, a single block area is reasonably set, a cutting area is drawn, a rhinestone turning hole, a rope is threaded, block cutting is performed, a block crane is hoisted out, and the block is transported out of the field by a transport vehicle.
Further, in the step S6, the upper embedded part includes an embedded steel plate, the embedded steel plate is provided with a stud or an anchor bar, and the stud or the anchor bar is connected with the seismic isolation support by a bolt after passing through a hole on the double L-shaped member on the outer side of the cut frame column.
Further, in the step S7, the column foot of the frame column at the lower part of the seismic isolation and reduction buttress is connected and fixed with the double L-shaped members, the lower embedded part is provided with a stud or an anchor bar, and after the stud or the anchor bar passes through the hole on the double L-shaped members, the lower part of the seismic isolation and reduction buttress is connected with the seismic isolation and reduction support by using a bolt.
Furthermore, an upper embedded part and a lower embedded part in the seismic isolation and reduction buttress are connected through bolts.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the invention relates to a quick installation and construction method of a seismic mitigation and isolation support for reinforcing an existing frame structure. The quick installation device mainly comprises a double L-shaped component with a bracket column, an earthquake reduction and isolation support, a steel beam, a truss plate rib floor bearing plate and the like which are integrally formed, assemblies are prefabricated in a factory and matched with each other, the space span and the application range of the structure are improved, the structure can be completely assembled, the standardization and the informatization management construction process are facilitated, and a light bar-shaped foundation is combined, the stress of the light bar-shaped foundation is met, the dead weight of the whole structure is reduced, the assemblies are characterized by being high in light weight and high in strength and easy to assemble according to the existing stress characteristics and through designing the assembled double L-shaped component and the bracket structure, the full assembly of the structure is realized, and the quick installation device is suitable for engineering application such as an assembled structure.
In the construction process, the invention is directly assembled, the construction period is shortened, the complexity of field construction is greatly reduced, the use of large instruments and equipment is reduced, and the investment of human resources is relatively reduced; in the construction process of the structure, the construction is convenient, and the mechanical equipment is simple; the influence on the construction range is small, and the interference on adjacent structures is small; not too much construction waste is generated in the construction process, and the noise level of a construction site is reduced.
Drawings
FIG. 1 is a schematic structural view of the installation-completed working state of the present invention;
FIG. 2 is a schematic view of a splicing structure of double L-shaped members according to the present invention;
FIG. 3 is a schematic view of the installation and completion structure of the steel bar truss of the present invention;
FIG. 4 is a schematic view of the bracket post connection and installation completion structure of the present invention;
the seismic isolation and reduction support comprises 1, an L-shaped component, 2, a steel bar truss, 3, a frame column, 4, split bolts, 5, a bracket column, 6, a steel beam, 7, a jack, 8, a seismic isolation and reduction support, 9, an upper embedded part, 10, a lower embedded part, 11, a seismic isolation and reduction buttress, 12, a high-strength bolt, 13 and a connecting plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the embodiment provides a quick installation and construction method of an earthquake reduction and isolation support for reinforcing an existing frame structure, which includes the following steps:
s1: the steel bar truss structure comprises factory prefabricated components, wherein a double L-shaped component and a steel bar truss 2 are machined and manufactured in a factory prefabricated mode, the double L-shaped component comprises two L-shaped components 1 which are symmetrically arranged, corresponding through holes are formed in opposite vertex angles of the L-shaped components 1, high-strength bolts 12 are arranged in the through holes in a penetrating mode, rust prevention treatment needs to be done on the high-strength bolts 12 in advance, the components adopt a factory prefabricated machining mode, complexity of site construction is reduced, the factory prefabricated components are mainly the double L-shaped components, and cow leg columns 5 are integrally formed on the outer side edges of the L-shaped components 1;
s2: installing double L-shaped components, conveying the components prefabricated in a factory to a construction site, drilling a hole in a frame column 3 by using a water drill, wherein the frame column 3 is a reinforced concrete column with a frame structure, roughening the surface of concrete according to needs, cleaning floating ash, mortar, oil stain and the like, connecting the roughened surface by using a stud after roughening so that the L-shaped component 1 is fixedly fixed on the frame column 3, then penetrating through bolt holes of the double L-shaped components and holes in the frame column 3 by using a split bolt 4, and then fixing the outer side of the split bolt 4 on a bracket column 5;
s3: the slurry is poured, a plurality of mounting holes are uniformly formed in the corbel columns 5 and the steel beams 6, friction type high-strength bolts penetrate through the mounting holes to connect the steel beams 6 between the corbel columns 5, then the contour plates are fixed on the steel beams 6 through the bolts, prefabricated steel bar trusses 2 are placed on the contour plates to be bound, the slurry is poured after acceptance, connecting plates 13 are symmetrically arranged at the front end and the rear end of each corbel column 5 of the double-L-shaped component, after the corbel columns 5 and the double-L-shaped component are connected in a butt joint mode, the connecting plates 13 are screwed and fixed through the bolts, and the connecting plates 13 are used as temporary fixed connecting lug plates during installation and jack fixing frames during corbel column butt joint correction. After the bracket column and the double L-shaped structures are accurately butted, the temporary ear plates are screwed and fixed by bolts. The truss rib floor bearing plate belongs to one of unsupported profiling combined floor bearing plates, a steel bar truss 2 is shaped and processed in a background processing factory, and the prefabricated steel bar truss 2 is used for preparing the truss rib floor bearing plate, so that the prefabricated mechanical production is realized, uniform arrangement intervals of steel bars and uniform thickness of a concrete protective layer are facilitated, the construction quality of a floor slab is improved, the assembled steel bar truss floor bearing plate can obviously reduce the quantity of on-site steel bar binding engineering, the construction progress is accelerated, the construction safety guarantee is increased, and civilized construction is realized;
s4: installing a jack support, placing a jack 7 at a support position below a steel beam 6, correcting the elevation and the inclination angle of the assembled structure through a total station, adjusting and correcting errors in time through slow pushing of the jack, selecting the highest point of the truss rib floor bearing plate structure when measuring the elevation, monitoring simultaneously, and when measuring the angle, requiring multi-direction simultaneous monitoring to improve the installation precision of the truss rib floor bearing plate structure;
s5: the method comprises the following steps of cutting a frame column, cutting the frame column 3 by adopting a rope saw mode, reasonably setting a single block area according to the structure and hoisting position requirements of the frame column 3 before cutting, drawing a cutting area, drilling a rotary hole by a water drill, threading a rope, cutting in blocks, hoisting out by a block crane, and transporting out of a field by a transport vehicle, so that the construction period target can be ensured while the safety, quality and economic target are ensured to be realized, the organization principle of civilized construction is adhered to, the construction environment and engineering characteristics of the contract section engineering are fully considered, and the method has the characteristics of simple construction operation, high safety, high efficiency, low construction risk and the like;
s6: the installation subtracts isolation bearing, utilizes jack 7 to get up the post that cuts, leaves certain gap, and hoist and mount subtracts isolation bearing 8, subtract isolation bearing 8 and adopt rubber to subtract isolation bearing, subtract isolation buttress 11 upper portion and set up built-in fitting 9, go up built-in fitting 9 and include pre-buried steel sheet, be provided with peg or anchor bar on the pre-buried steel sheet, after peg or anchor bar passed the corresponding bolt hole on the two "L" type components in the 3 cylinder outsides of frame post after cutting, will subtract isolation buttress 11 upper portions, go up built-in fitting 9 and subtract isolation bearing 8 and use bolted connection with the bolt, make subtract isolation bearing 8 and subtract isolation buttress 11 upper portions and become a whole.
S7: installing a shock insulation layer component, connecting and fixing the column feet of the cut frame columns 3 at the lower parts of the shock insulation and reduction buttresses 11 by using double L-shaped components, arranging lower embedded parts 10 at the lower parts of the shock insulation and reduction buttresses 11, arranging studs or anchor bars on the lower embedded parts 10, connecting the lower parts of the shock insulation and reduction buttresses 11, the lower embedded parts 10 and the shock insulation and reduction supports 8 by using bolts after the studs or the anchor bars pass through corresponding holes on the double L-shaped components at the outer sides of the column feet of the cut frame columns 3, and then selectively connecting the upper embedded parts 9 and the lower embedded parts 10 in the shock insulation and reduction buttresses 11 by using bolts;
s8: and (3) concrete pouring and maintaining, namely pouring the seismic isolation support 11 after the seismic isolation support 8 is installed, wherein vibration is not allowed to collide other construction devices, so that the axis, the elevation and the flatness are prevented from being deviated or damaged, and the installation quality is prevented from being influenced.
The principle of the construction working process is as follows:
according to the quick installation and construction method of the shock absorption and isolation support for reinforcing the existing frame structure, the components are mutually matched through factory prefabricated parts, the space span and the application range of the structure are improved, the structure can be completely assembled, the field wet operation is reduced, the standardization and informatization management construction process is facilitated, the manufactured light bar-shaped foundation is combined, the self weight of the whole structure is reduced while the stress of the light bar-shaped foundation is met, the prefabricated parts are transported to the construction field for assembly, the placement positions are classified, the environment is protected, the energy is saved, the construction is convenient, the construction period can be effectively shortened, the model is strictly controlled in the construction and installation process on the basis of designing a mechanical model and related data of a steel structure, the size of each part meets the project of the design requirement, the deviation is avoided, and the influence of irregular steel members on installation and construction equipment is avoided.
Of particular note is the associated measurement, positioning and placement work that is required in fabricated engineering construction. In these component connections, the data quality will directly affect the construction effect of the project. The quality of the installation can only be guaranteed if the accuracy of the measurement data is sufficiently guaranteed. The field condition needs to be known in detail before the double L-shaped components are installed, and preparation work before installation is carefully done.
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 (10)

1. A quick installation and construction method of an earthquake reduction and isolation support for reinforcing an existing frame structure is characterized by comprising the following steps:
s1: the factory prefabricated component is processed and manufactured into a double L-shaped component and a steel bar truss (2) in a factory prefabricated mode;
s2: installing double L-shaped components, conveying the components prefabricated in a factory to a construction site, drilling holes in the frame columns (3) by using a water drill, then penetrating through bolt holes of the double L-shaped components and holes in the frame columns (3) by using split bolts (4), and fixing the split bolts (4) on the bracket columns (5);
s3: pouring slurry, uniformly arranging a plurality of mounting holes in the bracket columns (5) and the steel beams (6), connecting the steel beams (6) between the bracket columns (5) by adopting friction type high-strength bolts to penetrate through the mounting holes, fixing the contour plates on the steel beams (6) by using studs, placing prefabricated steel bar trusses (2) on the contour plates for binding, and pouring the slurry after acceptance inspection to form truss rib floor bearing plates;
s4: mounting a jack support, placing a jack (7) at a supporting position below the steel beam (6), correcting the elevation and the inclination angle of the assembled structure through a total station, and adjusting and correcting errors in time through slow pushing of the jack;
s5: cutting off the frame column, namely cutting off the frame column (3) in a rope saw mode;
s6: installing an earthquake reduction and isolation support, jacking the cut-off column by using a jack (7), reserving a certain gap, hoisting the earthquake reduction and isolation support (8), arranging an upper embedded part (9) on the upper part of the earthquake reduction and isolation buttress (11), and connecting the earthquake reduction and isolation support (8), the upper embedded part (9) and the upper part of the earthquake reduction and isolation buttress (11) by using bolts to enable the earthquake reduction and isolation support (8) and the upper part of the earthquake reduction and isolation buttress (11) to form a whole;
s7: installing a seismic isolation layer component, arranging a lower embedded part (10) at the lower part of the seismic isolation buttress (11), and connecting the seismic isolation support (8), the lower embedded part (10) and the lower part of the seismic isolation buttress (11) by using bolts;
s8: and (3) concrete pouring and maintaining, namely pouring the seismic isolation support (11) after the seismic isolation support (8) is installed, wherein vibration is not allowed to collide other construction devices, so that the phenomenon that the axis, the elevation and the flatness deviate or are damaged to influence the installation quality is prevented.
2. The quick installation and construction method of the seismic mitigation and isolation bearing for reinforcing the existing frame structure according to claim 1, wherein in the step S1, the double L-shaped members comprise two symmetrically arranged L-shaped members (1), corresponding through holes are arranged at opposite vertex angles of the L-shaped members (1), and high-strength bolts (12) are arranged in the through holes in a penetrating mode.
3. The quick installation and construction method of the seismic mitigation and absorption support saddle for existing frame structure reinforcement according to claim 2, characterized in that the external side edge of the L-shaped member (1) is integrally provided with a bracket pillar (5).
4. The quick installation and construction method of the seismic mitigation and isolation bearing for reinforcing the existing frame structure according to claim 1, wherein in the step S2, the concrete surface is roughened, the floating ash, mortar, oil stain and the like are cleaned as required, and the roughened concrete surface is connected by using a stud after roughening is finished, so that the L-shaped member (1) is fixedly fixed on the frame column (3).
5. The quick installation and construction method of the seismic mitigation and isolation bearing for reinforcing the existing frame structure according to claim 1, wherein in the step S3, the connecting plates (13) are symmetrically arranged at the front end and the rear end of each bracket column (5) of the double L-shaped component, and after the bracket columns (5) and the double L-shaped component are butted, the connecting plates (13) are screwed and fixed by bolts.
6. The quick installation and construction method of the seismic mitigation and isolation support for reinforcing the existing frame structure, according to claim 1, is characterized in that in the step S4, when the elevation is measured, the highest point of the truss rib floor support plate structure is selected, monitoring is carried out simultaneously, when the angle is measured, multi-direction simultaneous monitoring is required, so that the installation precision of the truss rib floor support plate structure is improved, the correction is carried out by adopting a method of slowly pushing a jack, after the correction is completed, bolting construction of the structure is carried out, after the construction is completed, retesting is carried out on the truss rib floor support plate structure, and acceptance is carried out after the retesting is qualified.
7. The quick installation and construction method of the seismic mitigation and isolation bearing for reinforcing the existing frame structure is characterized in that in the step S5, according to the structure and hoisting position requirements of the frame column (3) before the frame is cut off, a single block area is reasonably arranged, a cutting area is drawn, a rhinestone is turned, a rope is threaded, block cutting is carried out, a block crane is hoisted out, and the block crane is transported out of the field by a transport vehicle.
8. The method for quickly installing and constructing the seismic isolation and reduction support for reinforcing the existing frame structure according to claim 1, wherein in the step S6, the upper embedded part (9) comprises an embedded steel plate, the embedded steel plate is provided with a stud or an anchor bar, and after the stud or the anchor bar penetrates through a hole in a double L-shaped component on the outer side of a column body of the cut frame column (3), the upper part of the seismic isolation and reduction support (11) is connected with the seismic isolation and reduction support (8) through a bolt.
9. The quick installation and construction method of the seismic isolation and reduction support for reinforcing the existing frame structure according to claim 1, wherein in the step S7, the column foot of the frame column (3) at the lower part of the seismic isolation and reduction support (11) is connected and fixed with a double L-shaped member, the lower embedded part (10) is provided with a bolt or an anchor bar, and after the bolt or the anchor bar passes through the hole on the double L-shaped member, the lower part of the seismic isolation and reduction support (11) is connected with the seismic isolation and reduction support (8) by a bolt.
10. The rapid installation and construction method of the seismic isolation and reduction support for existing frame structure reinforcement according to claim 1, characterized in that the upper embedded part (9) and the lower embedded part (10) in the seismic isolation and reduction buttress (11) are connected through bolts.
CN202210967400.4A 2022-08-12 2022-08-12 Quick installation and construction method of seismic mitigation and isolation support for existing frame structure reinforcement Pending CN115450461A (en)

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CN202210967400.4A CN115450461A (en) 2022-08-12 2022-08-12 Quick installation and construction method of seismic mitigation and isolation support for existing frame structure reinforcement

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