CN110820976A - Assembly structure and method of damping damper, prefabricated pier joist and assembly type building - Google Patents
Assembly structure and method of damping damper, prefabricated pier joist and assembly type building Download PDFInfo
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- CN110820976A CN110820976A CN201910778215.9A CN201910778215A CN110820976A CN 110820976 A CN110820976 A CN 110820976A CN 201910778215 A CN201910778215 A CN 201910778215A CN 110820976 A CN110820976 A CN 110820976A
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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
- E04B1/62—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
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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
- E04H9/025—Structures with concrete columns
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Abstract
The invention discloses an assembling structure and method of a shock absorber damper, a prefabricated pier joist and an assembled building. The prefabricated column, the prefabricated beam and the prefabricated pier joist are prefabricated in a factory, transported to a field for installation, the first flange and the connecting plate are connected through the fasteners, the assembly structure is simple, the damping damper can be installed rapidly, compared with the traditional assembly structure, the assembly structure is more favorable for popularization and application, particularly in high-intensity areas, the fasteners can be disassembled, and the damping damper can be replaced rapidly when the damping damper fails under an earthquake, so that the repair cost of the assembly type building is reduced greatly.
Description
Technical Field
The invention relates to the field of assembled reinforced concrete structures, in particular to an assembling structure and method of a damping damper, a prefabricated pier joist and an assembled building.
Background
The greening, informatization and industrialization of buildings are the main characteristics and trends of the development of the modern building industry, the prefabricated building is the important content of the building industrialization, and China vigorously promotes the development, popularization and application. The prefabricated reinforced concrete structure is one concrete structure with prefabricated parts as main stressed parts and through assembling and connection. Compared with cast-in-place construction, the assembly type reinforced concrete structure is beneficial to green construction, because the assembly type construction meets the requirements of land saving, energy saving, material saving, water saving, environmental protection and the like of the green construction better, the negative effects on the environment are reduced, including noise reduction, dust prevention, environmental pollution reduction, clean transportation and the like, and the principle of sustainable development is followed.
The structural connection and seismic performance of prefabricated components or modules is one of the major challenges of fabricated reinforced concrete structures. The shear steel plate damper is used as a passive control device in the fields of energy dissipation, earthquake resistance, disaster prevention and reduction of structures, is simple in structure, stable in performance, low in cost and convenient to maintain and popularize, and is suitable for assembly type buildings. However, how to realize the requirements of fast assembly, reliable connection and replacement of the shear steel plate damper in the assembled structure is an important subject worth of research.
The existing connection method of the metal damper (for example, the H-shaped steel is lapped into a herringbone structure, and then the metal damper is fixed by welding) is directly carried to an assembly structure, and the following problems exist: the steel consumption is large, the cost is high, the joints are complex, the factory prefabrication production and the field assembly operation of beam column components are not facilitated, and the popularization and the application of the energy dissipation and shock absorption type assembly type building in high-intensity areas are limited.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art, and provides an assembling structure and method of a shock absorption damper, a prefabricated pier joist and an assembly type building, so that the shock absorption damper can be quickly installed and detachably replaced.
According to a first aspect of the present invention, there is provided a built-up structure of a shock absorber-damper, comprising: the upper part and the lower part of the shock absorption damper are provided with connecting plates; the two prefabricated columns are respectively a first prefabricated column and a second prefabricated column; the two precast beams are respectively a first precast beam and a second precast beam, and are oppositely arranged and installed between the two precast columns; the two prefabricated pier joists which are oppositely arranged are respectively a first prefabricated pier joists and a second prefabricated pier joists, the two prefabricated pier joists are respectively connected with the two prefabricated joists, each prefabricated pier joists comprises a pier column and a joists connected with the pier column, and the end part of each joists is provided with a first flange; and the shock absorption damper is detachably mounted between the two precast pier joists through the fasteners, and the fasteners are connected with the connecting plate and the first flange.
The assembling structure of the shock absorption damper at least has the following beneficial effects: prefabricated post, precast beam and precast mound joist are prefabricated at the mill and then are transported to the job site installation, connect first edge of a wing and connecting plate through the fastener, the connecting plate of shock attenuation attenuator upper portion and lower part is connected respectively to the first edge of a wing of two upper and lower joists, thereby install fixed shock attenuation attenuator, assemble simple structure, can install shock attenuation attenuator fast, compare with traditional structure of assembling, more be favorable to popularizing and applying, especially in high intensity area, and connect through the fastener, can avoid traditional welded fastening's thermal effect to the influence of shock attenuation attenuator mechanical properties, the fastener can be dismantled, but quick replacement when shock attenuation attenuator became invalid under the earthquake, thereby assembly type building structure's repair time and restoration cost have been reduced by a wide margin.
According to the assembling structure of the shock absorption damper in the first aspect of the invention, the connecting plate is provided with a plurality of mounting holes, the first flange is provided with a plurality of prepared holes corresponding to the mounting holes on the connecting plate, and the fastening piece penetrates through the mounting holes and the prepared holes to connect the first flange and the connecting plate. A plurality of mounting holes on the connecting plate correspond a plurality of preformed holes on the first flange, and the fastener passes mounting hole and preformed hole to location installation damping damper makes the connection convenient and fast more.
According to the assembling structure of the shock absorption damper in the first aspect of the invention, the fastening member is a threaded member, so that the assembly and disassembly are convenient.
According to the splicing structure of the shock absorption damper, the joist comprises a first flange, a second flange, a web and an anchor plate, the web is fixedly connected with the first flange and the second flange to form an H shape, the anchor plate is fixedly connected with the second flange, the second flange is tightly attached to the end surface of the pier stud, and the anchor plate is anchored in the pier stud.
According to the assembling structure of the shock absorption damper in the first aspect of the present invention, a plurality of reinforcing rods are provided on both end surfaces of the anchor plate.
According to the assembling structure of the shock absorption damper in the first aspect of the invention, a plurality of grouting sleeves are arranged in the pier stud, correspondingly, a plurality of connecting steel bars are arranged on the precast beam, and the connecting steel bars are connected with the grouting sleeves.
According to the assembling structure of the shock absorption damper, the pier stud and the precast beam are both internally provided with the longitudinal steel bars and the stirrups, and the stirrups are arranged around the longitudinal steel bars and the grouting sleeves.
According to the assembling structure of the shock absorption damper, the shock absorption damper is a shear steel plate damper and comprises a damper shear web and two damper constraint flanges which are oppositely arranged, and the damper shear web is connected with the two damper constraint flanges to form an H shape.
According to a second aspect of the present invention, there is provided a method for assembling a shock absorber damper, comprising the steps of:
a. prefabricating a prefabricated column, a prefabricated beam and a prefabricated pier joist in a factory in advance, wherein the prefabricated column, the prefabricated beam and the prefabricated pier joist comprise a first prefabricated column, a second prefabricated column, a first prefabricated beam, a second prefabricated beam, a first prefabricated pier joist and a second prefabricated pier joist, and transporting the prefabricated column, the prefabricated beam and the prefabricated pier joist to an installation site;
b. hoisting a first precast column, a second precast column, a first precast beam and a second precast beam, wherein the first precast beam and the second precast beam are arranged between the first precast column and the second precast column;
c. connecting the first precast pier joist and the first precast beam, enabling the corresponding connecting steel bars to be in butt joint with the grouting sleeve, building a temporary support, supporting the first precast pier joist, and grouting into the grouting sleeve;
d. removing the temporary support, connecting the second precast pier joist and the second precast beam, butting the corresponding connecting steel bars with the grouting sleeve, and grouting into the grouting sleeve;
e. and installing a damping damper between the first prefabricated pier joist and the second prefabricated pier joist, and fixing the damping damper through a fastener to enable the first flange on the joist to be tightly attached to the connecting plate of the damping damper.
The assembling method of the shock absorption damper at least has the following beneficial effects: the prefabricated column, the prefabricated beam and the prefabricated pier joist are all prefabricated in a factory, mass production can be realized, construction cost is saved, a main manufacturing process is completed in the factory, assembling time of a construction and installation site can be saved, the first prefabricated beam, the second prefabricated beam, the first prefabricated pier joist and the second prefabricated pier joist are sequentially installed, then the damping damper is installed between the first prefabricated pier joist and the second prefabricated pier joist by using the fastener, assembling of the whole structure is completed, rapid assembling is realized, compared with the traditional assembling process, popularization and application are facilitated, and particularly in high-intensity areas.
According to the assembling method of the shock absorption damper in the second aspect of the invention, the prefabricated pier joist is manufactured in the step a, and the method comprises the following steps: and manufacturing a joist, binding longitudinal steel bars, stirrups and grouting sleeves for manufacturing the pier stud, positioning and installing the joist through the second flange, embedding an anchor plate of the joist into the range of the pier stud, installing a pier stud template, and finally pouring concrete to form the pier stud.
According to a third aspect of the invention, a prefabricated pier joist is provided, which comprises a pier stud and a joist connected with the pier stud, wherein the joist comprises a first flange, a second flange, a web and an anchor plate, the web is fixedly connected with the first flange and the second flange to form an H shape, the anchor plate is fixedly connected with the second flange, the second flange is tightly attached to the end surface of the pier stud, the anchor plate is anchored in the pier stud, a plurality of reinforcing rods are arranged on two end surfaces of the anchor plate, and a plurality of grouting sleeves are arranged in the pier stud.
The precast pier joist has at least the following beneficial effects: the prefabricated pier joist is prefabricated in a factory, can be produced in batches, saves construction cost and assembling time of a construction installation site, and comprises a pier stud and a joist, wherein the pier stud plays a supporting role, the joist is used for connecting a damping damper, a first flange of the joist and a connecting plate of the damping damper are connected by using a fastener, the first flange is tightly attached to the connecting plate, the damping damper is positioned, and the damping damper can be quickly and detachably installed through the prefabricated pier joist.
According to a fourth aspect of the present invention, there is provided a fabricated building including the erection structure of the shock-absorbing damper of the first aspect.
The fabricated building at least has the following beneficial effects: the shock absorption damper can be quickly assembled in a building frame structure, is convenient to popularize and apply, and is particularly suitable for high-intensity areas.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a top cross-sectional view of a shock absorbing damper according to an embodiment of the present invention;
FIG. 3 is a schematic view of the connection between the damper and the joist according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a joist according to an embodiment of the present invention;
FIG. 5 is a side view of a joist according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of the butt joint of the precast pier joist and the precast beam according to the embodiment of the invention;
fig. 7 is a cross-sectional view of a grout sleeve inside a pier stud according to an embodiment of the present invention;
fig. 8 is a cross-sectional view of longitudinal rebar within a pier stud according to an embodiment of the invention;
FIG. 9 is a schematic structural view of the connection of the first precast beam and the first precast pier joist according to the embodiment of the present invention;
FIG. 10 is a schematic structural view of the connection of a second precast beam and a second precast pier joist according to the embodiment of the present invention;
FIG. 11 is a side view showing a shock absorber/damper assembling structure according to an embodiment of the present invention;
FIG. 12 is a schematic view showing a structure in which the shock absorber damper according to the embodiment of the present invention is horizontally installed.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 12, the assembled structure of the shock absorber damper according to the embodiment of the present invention includes a shock absorber damper 10, two precast columns 70, two precast girders 20, two precast pier joists 30 arranged opposite to each other, and a plurality of fasteners 40. Wherein the two precast columns 70 are a first precast column 71 and a second precast column 72, respectively, the two precast beams 20 are a first precast beam 21 and a second precast beam 22, respectively, and the two precast beams 20 are oppositely arranged and installed between the two precast columns 70. The upper portion and the lower portion of the shock absorption damper 10 are provided with connecting plates 50, the two prefabricated pier joists 30 are a first prefabricated pier joists 33 and a second prefabricated pier joists 34, the two prefabricated pier joists 30 are respectively connected with the two prefabricated beams 20, and the shock absorption damper 10 is detachably mounted between the two prefabricated pier joists 30 through fasteners 40. The prefabricated pier joist 30 comprises a pier stud 31 and a joist 32 connected with the pier stud 31, a first flange 321 is arranged at the end part of the joist 32, a fastener 40 is connected with the first flange 321 and a connecting plate 50, and the first flange 321 is tightly attached to the connecting plate 50.
The prefabricated column 70, the prefabricated beam 20 and the prefabricated pier joist 30 are prefabricated in a factory and then transported to a construction site for installation, the prefabricated column, the prefabricated beam and the prefabricated pier joist 30 are connected with the first flanges 321 and the connecting plates 50 through the fasteners 40, and the first flanges 321 of the upper joist 32 and the lower joist 32 are respectively connected with the connecting plates 50 at the upper part and the lower part of the shock absorption damper 10, so that the shock absorption damper 10 is fixedly installed, the assembling structure is simple, the shock absorption damper can be quickly installed, compared with the traditional assembling structure, the assembling structure is more favorable for popularization and application, and particularly in a. In addition, connect through fastener 40, can avoid traditional welded fastening's thermal effect to the influence of shock attenuation attenuator 10 mechanical properties, fastener 40 can be dismantled, but quick replacement when shock attenuation attenuator 10 became invalid under the earthquake to assembly type building structure's repair time and repair cost have been reduced by a wide margin.
In the present embodiment, the shock absorbing damper 10 is a shear steel plate damper, and includes a damper shear web 11 and two damper restraint flanges 12 disposed opposite to each other, and the damper shear web 11 connects the two damper restraint flanges 12 to form an H-shape, as shown in fig. 2 and 3. The shear steel plate damper achieves the effect of dissipating seismic energy by utilizing plastic deformation, and has the advantages of comprehensive parameter coverage ranges such as rigidity, bearing capacity and yield displacement, stable performance, good durability, strong environmental adaptability, lower maintenance cost and the like.
Preferably, a plurality of mounting holes 51 are formed in the connecting plate 50, a plurality of prepared holes 322 corresponding to the mounting holes 51 in the connecting plate 50 are formed in the first flange 321, and the fastening member 40 passes through the mounting holes 51 and the prepared holes 322 to connect the first flange 321 and the connecting plate 50 and is fastened and fixed by a nut. A plurality of mounting holes 51 on the connecting plate 50 correspond to a plurality of prepared holes 322 on the first flange 321, and the fasteners 40 penetrate through the mounting holes 51 and the prepared holes 322, so that the shock absorption damper 10 is positioned and installed, and the connection is more convenient and faster.
Specifically, the fastening member 40 is a threaded member, the fastening member 40 may be a bolt and a nut that are inserted through the mounting hole 51 and the prepared hole 322 and are engaged with the bolt, so that the mounting and dismounting are facilitated, and in order to ensure reliable connection, a lock washer may be added or a lock nut may be used.
It will be appreciated that the fastener 40 may also be a stud passing through the mounting hole 51 and the prepared hole 322 and two nuts mating with the stud; or a bolt passing through the mounting hole 51 and the prepared hole 322, and one of the mounting hole 51 and the prepared hole 322 is a screw hole.
The prefabricated pier joist 30 comprises pier studs 31 and joists 32, wherein the pier studs 31 are used for supporting, the joists 32 are used for connecting the shock-absorbing dampers 10, the pier studs 31 are formed by pouring concrete, and the joists 32 can be made by welding steel plates.
Preferably, as shown in fig. 4 and 5, the joist 32 comprises a first flange 321, a second flange 323, a web 324 and an anchor plate 325, wherein the web 324 is fixedly connected with the first flange 321 and the second flange 323 to form an H-shape, the anchor plate 325 is vertically and fixedly connected with the second flange 323, the second flange 323 is tightly attached to the end surface of the pier stud 31, and the anchor plate 325 is anchored in the pier stud 31. When the shock absorber 10 is installed, the connection plate 50 of the shock absorber 10 is closely attached to the first flange 321 to position the shock absorber 10, and since the shock absorber 10 is fixed by the fastening member 40, the gap (about the height of the web 324) between the first flange 321 and the abutment 31 facilitates the installation of the fastening member 40. The anchor plate 325 of the joist 32 is anchored in the pier stud 31 and thus fixedly connected to the pier stud 31, and the second flange 323 is positioned so that the second flange 323 abuts against the end face of the pier stud 31. A plurality of rectangular stiffeners 326 may be disposed between first flange 321 and second flange 323 and a plurality of triangular stiffeners 327 may be disposed between anchor plate 325 and second flange 323.
Furthermore, a plurality of protruding reinforcing rods 328 are arranged on two end faces of the anchor plate 325, the anchor plate 325 is anchored in the pier stud 31, and the reinforcing rods 328 can increase the stress area, so that the connection between the joist 32 and the pier stud 31 and the whole formed by the joist 32 and the pier stud 31 are firmer.
Preferably, the connection between the precast pier joist 30 and the precast girders 20 is realized by grouting sleeves, specifically, a plurality of grouting sleeves 311 are arranged in the pier stud 31, correspondingly, a plurality of connecting steel bars 23 are arranged on the precast girders 20, the connecting steel bars 23 are partially anchored in the precast girders 20 and partially extend out of the precast girders 20, and the connecting steel bars 23 are butted with the grouting sleeves 311, so as to position the pier stud 31, and the precast pier joist 30 is butted with the precast girders 20 accurately, as shown in fig. 6. One end of the grouting sleeve 311 is flush with one end surface of the pier stud 31, and the longitudinal steel bar 24 extending into the grouting sleeve 311 is arranged in the pier stud 31.
The precast pier joist 30 and the precast beam 20 comprise grouting sleeves 311 and connecting steel bars 23 which are precast, the grouting sleeves 311 and the connecting steel bars 23 are respectively arranged on the precast pier joist 30 and the precast beam 20 according to design drawings, and during field installation, the grouting sleeves 311 and the connecting steel bars 23 are connected, so that the precast pier joist 30 and the precast beam 20 can be accurately positioned, the accuracy of the installation position of the follow-up shock absorption damper 10 is ensured, and the shock absorption damper 10 is prevented from deviating from the designed installation position to influence the working stress.
Further, a plurality of longitudinal steel bars 24 and stirrups 25 are arranged in the pier stud 31 and the precast beam 20, and the stirrups 25 are arranged around the longitudinal steel bars 24 and the grouting sleeve 311, so that the structural strength of the pier stud 31 and the precast beam 20 is improved. It should be noted that, in the pier stud 31, the position where the anchor plate 325 of the joist 32 interferes with the stirrup 25 needs to be provided with a plurality of avoiding holes on the anchor plate 325 so as to form the closed stirrup 25, so that the structure is more stable.
As shown in fig. 1, precast girders 20 are horizontally disposed and precast pier joists 30 and shock absorbers 10 are vertically installed, it being understood that in some embodiments precast girders 20 may be vertically disposed and precast pier joists 30 and shock absorbers 10 may be horizontally installed, for example, a metal link damper is installed between two precast stacked shear walls, which in this case correspond to two precast girders 20 and shock absorbers 10 are metal link dampers, installed below precast stacked floor slabs 80, as shown in fig. 12.
The assembling method of the shock absorption damper 10 of the embodiment of the invention comprises the following steps:
a. prefabricating a prefabricated column 70, a prefabricated beam 20 and a prefabricated pier joist 30 in a factory in advance, wherein the prefabricated column 70, the prefabricated beam 20 and the prefabricated pier joist 30 comprise a first prefabricated column 71, a second prefabricated column 72, a first prefabricated beam 21, a second prefabricated beam 22, a first prefabricated pier joist 33 and a second prefabricated pier joist 34, and transporting the prefabricated beam 20 and the prefabricated pier joist 30 to an installation site;
b. hoisting a first precast column 71, a second precast column 72, a first precast beam 21 and a second precast beam 22, wherein the first precast beam and the second precast beam are arranged between the first precast column 71 and the second precast column 72;
c. connecting the first precast pier joist 33 with the first precast beam 21, butting the corresponding connecting steel bars 23 with the grouting sleeve 311, building a temporary support, supporting the first precast pier joist 33, grouting into the grouting sleeve 311, and filling joint mortar 60 between the first precast pier joist 33 and the first precast beam 21 to connect the first precast beam 21 and the first precast pier joist 33 into a whole;
d. after the concrete and the joint mortar 60 are solidified to reach the designed strength, removing the temporary support, connecting the second precast pier joist 34 with the second precast beam 22, enabling the corresponding connecting steel bars 23 to be in butt joint with the grouting sleeve 311, grouting into the grouting sleeve 311, filling the joint mortar 60 between the second precast pier joist 34 and the second precast beam 22, and enabling the second precast beam 22 and the second precast pier joist 34 to be connected into a whole;
e. and installing the shock absorption damper 10 between the first prefabricated pier joist 33 and the second prefabricated pier joist 34, fixing the first prefabricated pier joist 33 and the second prefabricated pier joist 34 through the fastener 40, enabling the first flange 321 on the joist 32 to be tightly attached to the connecting plate 50 of the shock absorption damper 10, and positioning the shock absorption damper 10 through the first flange 321.
The precast columns 70, the precast girders 20 and the precast pier joists 30 are all precast in a factory, so that mass production can be realized, construction cost can be saved, a main manufacturing process can be completed in the factory, assembling time of a construction and installation site can be saved, the first precast girder 21, the second precast girder 22, the first precast pier joists 33 and the second precast pier joists 34 are sequentially installed, then the damping dampers 10 are installed between the first precast pier joists 33 and the second precast pier joists 34 by using the fasteners 40, assembling of the whole structure is completed, rapid assembling is realized, and compared with the traditional assembling process, popularization and application are facilitated, particularly in high-intensity areas.
Because the shock absorption damper 10 is fixed by the fastener 40, according to the actual installation situation, a gasket can be added between the connecting plate 50 and the first flange 321 (namely between the shock absorption damper 10 and the joist 32) during installation, so that the installation is more flexible, and the manufacturing and assembling errors of the precast beam 20 and the precast pier joist 30 are compensated, so that the installation of the shock absorption damper 10 is ensured to meet the design requirements.
The prefabricated pier joist 30 comprises pier stud 31 and joist 32, and the prefabricated pier joist 30 is manufactured in the step a by the following method: manufacturing a joist 32, binding longitudinal steel bars 24, stirrups 25 and grouting sleeves 311 for manufacturing a pier stud 31, positioning and installing the joist 32 through a second flange 323, embedding an anchor plate 325 of the joist 32 into the range of the pier stud 31, installing a pier stud 31 template, finally pouring concrete to form the pier stud 31, and anchoring the anchor plate 325 in the pier stud 31, so that the pier stud 31 and the joist 32 are connected to form the prefabricated pier joist 30 into a whole.
The prefabricated pier joist 30 in the embodiment of the invention comprises a pier stud 31 and a joist 32 connected with the pier stud 31, wherein the joist 32 comprises a first flange 321, a second flange 323, a web 324 and an anchor plate 325, the web 324 is fixedly connected with the first flange 321 and the second flange 323 to form an H shape, the anchor plate 325 is fixedly connected with the second flange 323, the second flange 323 is tightly attached to the end surface of the pier stud 31, the anchor plate 325 is anchored in the pier stud 31, a plurality of reinforcing rods 328 are arranged on two end surfaces of the anchor plate 325, and a plurality of grouting sleeves 311 are arranged in the pier stud 31.
The prefabricated pier joist 30 is prefabricated in a factory, can be produced in batches and is transported to an installation site for assembly, one end of the prefabricated pier joist 30 is connected with the prefabricated joist 20, the other end of the prefabricated pier joist 30 is connected with the shock absorption damper 10, the first flange 321 of the joist 32 and the connecting plate 50 of the shock absorption damper 10 are connected through the fastener 40, the first flange 321 is tightly attached to the connecting plate 50, the shock absorption damper 10 is positioned, and the shock absorption damper 10 can be quickly and detachably installed through the prefabricated pier joist 30. The precast pier joist 30 is connected with the precast beam 20 by the grouting sleeve 311.
The assembly type building provided by the embodiment of the invention comprises the assembly structure of the shock absorption damper, can realize the rapid assembly of the shock absorption damper in a building frame structure, and is convenient to popularize and apply, especially in high-intensity areas.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. The utility model provides a structure of assembling of shock attenuation attenuator which characterized in that includes:
the upper part and the lower part of the shock absorption damper are provided with connecting plates;
the two prefabricated columns are respectively a first prefabricated column and a second prefabricated column;
the two precast beams are respectively a first precast beam and a second precast beam, and are oppositely arranged and installed between the two precast columns;
the two prefabricated pier joists which are oppositely arranged are respectively a first prefabricated pier joists and a second prefabricated pier joists, the two prefabricated pier joists are respectively connected with the two prefabricated joists, each prefabricated pier joists comprises a pier column and a joists connected with the pier column, and the end part of each joists is provided with a first flange; and
the shock absorption dampers are detachably mounted between the two prefabricated pier joists through fasteners, and the fasteners are connected with the connecting plate and the first flange.
2. The assembled structure of the shock-absorbing damper according to claim 1, wherein: the connecting plate is provided with a plurality of mounting holes, the first flange is provided with a plurality of prepared holes corresponding to the mounting holes on the connecting plate, the fastener penetrates through the mounting holes and the prepared holes to be connected with the first flange and the connecting plate, and the fastener is a threaded part.
3. The assembled structure of the shock-absorbing damper according to claim 1, wherein: the joist includes first edge of a wing, second edge of a wing, web and anchor slab, the first edge of a wing of web fixed connection and second edge of a wing form the H shape, anchor slab and second edge of a wing fixed connection, the second edge of a wing is hugged closely the terminal surface of pier stud, the anchor slab anchor in the pier stud, be equipped with a plurality of stiffeners on two terminal surfaces of anchor slab.
4. The splicing structure of a shock absorbing damper according to any one of claims 1 to 3, wherein: set up a plurality of grout sleeves in the pier stud, correspondingly, set up a plurality of connecting reinforcement on the precast beam, connecting reinforcement and grout muffjoint.
5. The assembled structure of the shock-absorbing damper according to claim 4, wherein: all set up a plurality of longitudinal reinforcement and stirrup in pier stud and the precast beam, the stirrup encircles longitudinal reinforcement and grout sleeve setting.
6. The assembled structure of the shock-absorbing damper according to claim 1, wherein: the damping damper is a shear steel plate damper and comprises a damper shear web and two damper constraint flanges which are oppositely arranged, and the damper shear web is connected with the two damper constraint flanges to form an H shape.
7. The assembling method of the shock absorption damper is characterized by comprising the following steps:
a. prefabricating a prefabricated column, a prefabricated beam and a prefabricated pier joist in a factory in advance, wherein the prefabricated column, the prefabricated beam and the prefabricated pier joist comprise a first prefabricated column, a second prefabricated column, a first prefabricated beam, a second prefabricated beam, a first prefabricated pier joist and a second prefabricated pier joist, and transporting the prefabricated column, the prefabricated beam and the prefabricated pier joist to an installation site;
b. hoisting a first precast column, a second precast column, a first precast beam and a second precast beam, wherein the first precast beam and the second precast beam are arranged between the first precast column and the second precast column;
c. connecting the first precast pier joist and the first precast beam, enabling the corresponding connecting steel bars to be in butt joint with the grouting sleeve, building a temporary support, supporting the first precast pier joist, and grouting into the grouting sleeve;
d. removing the temporary support, connecting the second precast pier joist and the second precast beam, butting the corresponding connecting steel bars with the grouting sleeve, and grouting into the grouting sleeve;
e. and installing a damping damper between the first prefabricated pier joist and the second prefabricated pier joist, and fixing the damping damper through a fastener to enable the first flange on the joist to be tightly attached to the connecting plate of the damping damper.
8. The assembling method of the shock absorber-damper as claimed in claim 7, wherein the prefabricated pier joist is manufactured in the step a by the following method: and manufacturing a joist, binding longitudinal steel bars, stirrups and grouting sleeves for manufacturing the pier stud, positioning and installing the joist through the second flange, embedding an anchor plate of the joist into the range of the pier stud, installing a pier stud template, and finally pouring concrete to form the pier stud.
9. The utility model provides a precast pier joist which characterized in that: including the pier stud and with the joist that the pier stud is connected, the joist includes first edge of a wing, second edge of a wing, web and anchor slab, the first edge of a wing of web fixed connection and second edge of a wing form the H shape, anchor slab and second edge of a wing fixed connection, the second edge of a wing is hugged closely the terminal surface of pier stud, the anchor slab anchor in the pier stud, be equipped with a plurality of stiffeners on two terminal surfaces of anchor slab, set up a plurality of grout sleeves in the pier stud.
10. An assembly type building, characterized in that: a built-up structure comprising the shock absorbing damper as set forth in any one of claims 1 to 6.
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| CN201910778215.9A CN110820976A (en) | 2019-08-22 | 2019-08-22 | Assembly structure and method of damping damper, prefabricated pier joist and assembly type building |
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| CN201910778215.9A CN110820976A (en) | 2019-08-22 | 2019-08-22 | Assembly structure and method of damping damper, prefabricated pier joist and assembly type building |
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