CN115652775A - Distributed composite anti-seismic device system based on rubber shock insulation support and construction method - Google Patents
Distributed composite anti-seismic device system based on rubber shock insulation support and construction method Download PDFInfo
- Publication number
- CN115652775A CN115652775A CN202211307044.XA CN202211307044A CN115652775A CN 115652775 A CN115652775 A CN 115652775A CN 202211307044 A CN202211307044 A CN 202211307044A CN 115652775 A CN115652775 A CN 115652775A
- Authority
- CN
- China
- Prior art keywords
- shock insulation
- rubber
- buttress
- support
- shock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a distributed composite anti-seismic device system based on rubber shock-insulation supports and a construction method, wherein the distributed composite anti-seismic device system comprises the following components in parts by weight: the lower shock insulation buttress is provided with 4 rubber shock insulation supports, the lower sides of the rubber shock insulation supports are connected with the lower shock insulation buttress through lower flange plates, the upper sides of the rubber shock insulation supports are connected with the upper shock insulation buttress through upper flange plates, and fastening bolts are arranged in bolt holes; adjacent rubber shock insulation supports are connected through springs; a circle of spherical hinge support is pre-embedded on the ground level of the seismic isolation layer, and the upper flange plate is connected with the spherical hinge support through an elastic steel cable; a plurality of symmetrically arranged springs are arranged on two sides of the shock insulation upper buttress connecting beam, and the springs are fixed on a shock insulation layer terrace through pull rings; the lower part is provided with a plurality of dampers, the upper parts of the dampers are fixed with the lower part of the shock insulation upper pier connecting beam through the suspension chains, and the lower parts of the dampers are fixed with the shock insulation floor through the pull rods. The invention has self-repairing function while ensuring the anti-seismic effect, reduces the working frequency of later maintenance and repair and lowers the maintenance cost.
Description
Technical Field
The invention relates to the technical field of earthquake resistance of buildings in earthquake zone areas, in particular to a distributed composite earthquake-resistant device system based on rubber earthquake-resistant supports and a construction method.
Background
With the development of society, the coverage of the building industry is wider and wider, and various buildings (structures) are spread all over the world. When a building (structure) is located on an earthquake zone area, in order to protect the safety of users, various shock absorption and shock isolation measures can be adopted to reduce the damage effect on the building (structure) when an earthquake occurs, and a rubber shock isolation support is one of the measures.
The rubber shock insulation supports in the market at present are different in size, the self weight of a single rubber shock insulation support is greatly changed, and the invention improves the shock insulation mode of the rubber shock insulation support applied to common buildings. As is known, the common rubber shock-insulation support is generally larger than or equal to 700mm in size, the weight of a single rubber shock-insulation support is larger than or equal to 700kg, and during installation and later-period maintenance and replacement, construction is difficult due to the large dead weight of the rubber shock-insulation support, and auxiliary construction needs to be carried out by means of traction and hoisting machinery. The rubber shock insulation support is generally positioned in a shock insulation layer of a building or applied to a support of a bridge, cannot be directly operated by using a large traction and hoisting machine, and is very inconvenient.
In order to solve the problems, the invention discloses a distributed composite anti-seismic device system based on rubber shock insulation supports and a construction method, so that the use of large machinery is avoided, the difficulty in manual carrying operation is reduced, the investment of materials, manpower and machinery is effectively reduced, the cost is saved, and the construction safety is ensured in a limited space.
Disclosure of Invention
The invention aims to solve the technical problem of providing a distributed composite anti-seismic device system based on a rubber shock insulation support and a construction method aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a distributed composite anti-seismic device system based on a rubber shock isolation support, which comprises: the device comprises a rubber shock insulation support, an upper flange plate, a lower flange plate, bolt holes, a shock insulation lower buttress, a shock insulation layer terrace, a spherical hinge support, an elastic steel cable, fastening bolts, springs, pull rings, dampers, a sling chain, pull rods, a shock insulation upper buttress and a shock insulation upper buttress connecting beam; wherein:
the lower shock insulation buttress is provided with 4 rubber shock insulation supports, the lower sides of the rubber shock insulation supports are connected with the lower shock insulation buttress through lower flange plates provided with a circle of bolt holes, the upper sides of the rubber shock insulation supports are connected with the upper shock insulation buttress through upper flange plates provided with a circle of bolt holes, and fastening bolts are installed in the bolt holes;
adjacent rubber shock insulation supports are connected through springs; a circle of 8 spherical hinge supports are pre-embedded on the ground level of the seismic isolation layer around the lower seismic isolation buttress, and the outer edge of the upper flange plate is connected with the spherical hinge supports through elastic steel cables;
the shock insulation upper pier connecting beam and the shock insulation upper pier are arranged vertically, a plurality of symmetrically arranged springs are arranged on two sides of the shock insulation upper pier connecting beam, and the springs are fixed on a shock insulation layer terrace through pull rings; the lower part of the upper seismic isolation buttress connecting beam is provided with a plurality of dampers, the upper parts of the dampers are fixed with the lower parts of the upper seismic isolation buttress connecting beam through the suspension chains, and the lower parts of the dampers are fixed with the ground of the seismic isolation layer through the pull rods.
Furthermore, the internal structure of the rubber shock-insulation support is formed by repeatedly overlapping steel plates, rubber, steel plates and rubber up and down, and the lead core vertical to the direction of the steel plates is arranged in the center of the internal structure.
Furthermore, the upper flange plate and the lower flange plate of the invention are integrated with the rubber shock-insulation support into a whole, are made of steel plates with the thickness of 20mm, and are square or circular.
Furthermore, the shock insulation lower buttress is of a reinforced concrete structure, belongs to a building foundation part, is positioned right above a bearing platform and is used for providing a platform for installing a rubber shock insulation support; the shock insulation layer terrace is a construction platform surface formed by pouring after the ground beam is backfilled, and an operation surface is provided for pouring a shock insulation lower buttress, installing a rubber shock insulation support and constructing an upper structure.
Furthermore, the seismic isolation upper buttress is of a reinforced concrete structure, belongs to a building main body part, is positioned below the column and right above the seismic isolation lower buttress, and has the vertical projection size equal to that of the seismic isolation lower buttress; the upper shock-isolating buttress connecting beam is of a reinforced concrete structure, belongs to a building main body part, is a layer of bottom plate structure beam and connects the upper shock-isolating buttress with a layer of bottom plate.
Furthermore, the ball hinge support is a pear-shaped component with a thick lower part and a thin upper part, is embedded in a floor of a shock insulation layer, can horizontally rotate for 360 degrees along the gravity center line of the ball hinge support, can vertically swing for a certain radian along the gravity center line, and is provided with a hole at the upper end for a flexible steel cable to pass through.
Furthermore, the elastic steel cable is a steel cable with certain elasticity, one end of the steel cable penetrates through an opening at the upper end of the spherical hinge support, and the other end of the steel cable penetrates through the edge of the lower surface of the upper flange plate of the rubber shock insulation support.
Furthermore, the damper is a strip-shaped component with a damping device arranged inside, the upper surface of the strip-shaped component is connected to the lower surface of the shock insulation upper pier connecting beam through a hanging chain, and the lower surface of the strip-shaped component is connected with a shock insulation floor through a pull rod.
Furthermore, the suspension chain is formed by serially connecting metal rings and is used for connecting the damper with the vibration isolation upper buttress connecting beam; the pull rod lower extreme passes through the hinged-support to be connected on the shock insulation layer terrace, can swing certain limit, and the upper end is connected on the attenuator lower surface, and upper end and lower extreme are connected through the spring for the pull rod has certain elasticity.
The invention provides a construction method of a distributed composite anti-seismic device system based on rubber shock-insulation supports, which comprises the following steps:
preparation: in the construction stage of a building foundation, after concrete of ground beams and a bearing platform is poured, earth is backfilled between the ground beams and tamped to serve as a condition for pouring a terrace of a shock insulation layer; according to the technical scheme, the method comprises the following steps that the periphery of a positioning axis of a lower seismic isolation buttress extends by 50cm outwards, the vertical projection line of a connecting beam of an upper seismic isolation buttress on a ground level of a seismic isolation layer extends by 50cm towards two sides, a spherical hinge support and a pull ring are pre-embedded into the ground level of the seismic isolation layer, meanwhile, a connecting piece of a pull rod is pre-embedded at the ground level of the seismic isolation layer corresponding to the position under the lower surface of the connecting beam of the upper seismic isolation buttress to form a pull node of a seismic isolation system, and finally the ground level of the seismic isolation layer is poured to provide an operation surface for pouring the lower seismic isolation buttress, installing a rubber seismic isolation support and constructing an upper structure;
installing an anti-seismic device: after the floor of the shock insulation layer is constructed, flushing and cleaning the steel bars of the shock insulation lower buttress, and then erecting a formwork and pouring to finish the shock insulation lower buttress; cleaning bolt holes in the upper surface of the lower seismic isolation pier, transporting the rubber seismic isolation support to the lower seismic isolation pier through a trailer or a hoisting and hoisting machine, aligning the bolt holes in the lower flange plate of the rubber seismic isolation support with the bolt holes in the upper surface of the lower seismic isolation pier, screwing fastening bolts after the rubber seismic isolation support is installed in place, and sequentially installing the rubber seismic isolation support on the same lower seismic isolation pier;
the method comprises the following steps that the lower end of an elastic steel cable penetrates through an upper end hole of a spherical hinge support embedded in a seismic isolation layer terrace outside a rubber seismic isolation support, the upper end of the elastic steel cable penetrates through a pull ring at the edge of the lower surface of a flange plate on the rubber seismic isolation support, and the rubber seismic isolation support and the seismic isolation layer terrace are connected through the pull ring, the elastic steel cable and the spherical hinge support; in the inner side of the rubber shock insulation support, a spring penetrates through pull rings at the edges of the lower surfaces of the upper flange plates of two adjacent rubber shock insulation supports to connect the two adjacent rubber shock insulation supports;
and (3) upper structure construction: after the installation of rubber isolation bearing is accomplished, pier steel reinforcement cage on the prefabricated shock insulation of last flange board top installation of rubber isolation bearing to seal with the template, pour and form superstructure: the shock insulation upper buttress is connected with the beam; before pouring the shock insulation upper pier connecting beam, embedding pull rings on two sides and the bottom surface of the shock insulation upper pier connecting beam to be used as pull nodes;
and (3) perfecting the anti-seismic device: after the upper structure is poured, when the strength of concrete meets the construction requirement, dismantling the template and cleaning up the embedded pull rings on the two sides and the bottom surface of the seismic isolation upper pier connecting beam; one end of a spring penetrates through pre-embedded pull rings on two sides of the shock insulation upper buttress connecting beam, the other end of the spring penetrates through a pull ring pre-embedded on a shock insulation layer terrace, and the shock insulation upper buttress connecting beam and the shock insulation layer terrace are connected through the pull ring-spring-pull ring; installing the lower end of a pull rod at a corresponding shock insulation layer terrace right below the lower surface of the shock insulation upper pier connecting beam, and connecting the upper end of the pull rod to the lower surface of the damper; the upper surface of the damper is connected to the lower end of the sling chain, the upper end of the sling chain is connected to a pre-embedded pull ring on the bottom surface of the seismic isolation upper buttress connecting beam, and the seismic isolation upper buttress connecting beam and a seismic isolation layer terrace are connected through the pull ring, the sling chain, the damper and the pull rod to form a complete seismic isolation device system.
The invention has the following beneficial effects: the invention provides a distributed composite anti-seismic device system based on rubber shock-insulation supports and a construction method, wherein a ball hinge support is pre-embedded into a shock-insulation floor when the shock-insulation floor is constructed, pull rings are pre-embedded at the peripheral positions of shock-insulation upper buttress connecting beams on the shock-insulation floor correspondingly, the rubber shock-insulation supports and the ball hinge supports are connected through elastic steel cables, adjacent rubber shock-insulation supports are connected through springs, the shock-insulation upper buttress connecting beams and the shock-insulation floor are connected through the springs, the upper surfaces of dampers and the lower surfaces of the shock-insulation upper buttress connecting beams are connected through hanging chains, the lower parts of the dampers are connected with the shock-insulation floor through the pull rods, and the whole device forms a set of anti-seismic device system with a self-repairing function.
(1) The small-size rubber shock insulation support adopted by the invention has the characteristics of small size and light weight, is convenient for operators to carry, reduces the construction difficulty and the construction cost of installation and replacement, greatly improves the construction efficiency, ensures the construction period and has economical efficiency.
(2) According to the invention, the adjacent rubber shock insulation supports are connected through the springs, so that the relative displacement of the adjacent rubber shock insulation supports 1 is reduced, and the stability is maintained.
(3) According to the invention, the rubber shock insulation support is connected with the shock insulation layer terrace through the elastic steel cable, and the upper pier connecting beam of the shock insulation layer is connected with the shock insulation layer terrace through the spring, so that the capability of the shock insulation system for resisting horizontal displacement of a seismic load is improved.
(4) The invention adopts the application of the damper to the shock insulation upper pier connecting beam, thereby improving the shock resistance of the structure.
(5) The replacement difficulty of the elastic steel cable, the spring, the damper, the sling chain and the pull rod adopted in the invention is far less than that of the rubber shock insulation support, the later maintenance is convenient, the maintenance cost is reduced, the construction of operators is convenient, and the construction period is fast.
(6) The device system of the invention adopts flexible connection modes such as an elastic steel cable, a spring, a pull rod and the like to ensure the anti-seismic effect and has a self-repairing function, thereby reducing the working frequency of later maintenance and overhaul and lowering the maintenance cost.
(7) The spherical hinge support of the device can rotate (swing) in any direction, and meets the requirement of limitation on uncertain displacement generated by seismic load.
(8) The construction method is simple and convenient to operate, high in construction efficiency, low in equipment and personnel investment, cost-saving and high in safety.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a rubber-vibration-isolating support structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a seismic isolation lower buttress according to an embodiment of the invention;
FIG. 3 is a schematic view of a rubber-vibration-isolating support mounting structure 1 according to an embodiment of the present invention;
FIG. 4 is a schematic view of a rubber-vibration-isolating support mounting structure of an embodiment of the invention 2;
in the figure: the shock insulation support comprises a rubber shock insulation support 1, an upper flange plate 2, a lower flange plate 3, bolt holes 4, a shock insulation lower support pier 5, a shock insulation layer terrace 6, a spherical hinge support 7, an elastic steel cable 8, fastening bolts 9, springs 10, pull rings 11, dampers 12, a lifting chain 13, pull rods 14, a shock insulation upper support pier 15 and a shock insulation upper support pier connecting beam 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-4, in the dispersed composite anti-seismic device system based on rubber isolation bearing of the embodiment of the invention:
the rubber shock-isolation support 1 is a main building shock-resistant component, the internal structure of the rubber shock-isolation support is formed by repeatedly overlapping a steel plate, rubber, a steel plate and rubber, and a lead core perpendicular to the direction of the steel plate can be arranged in the center of the rubber shock-isolation support to increase rigidity, improve yield stress of the rubber shock-isolation support and reduce displacement caused by earthquakes. The action principle is as follows: the flexibility of the structure is increased to prolong the natural vibration period of the structure, so that the earthquake load generated by an earthquake is reduced; or increasing the damping or energy dissipation of the structure to reduce the displacement of the structure increased due to the prolonged period of the natural vibration of the structure;
the upper flange plate 2 is an integral component of the rubber shock-insulation support, is integrally processed with the rubber shock-insulation support in a factory, can be regarded as fixedly connected in a connecting mode, is mainly made of a steel plate with the thickness of 20mm, is generally square or circular, and has the functions of protecting the lower rubber shock-insulation support and bearing and transmitting upper structural load;
the lower flange plate 3 is a rubber shock-insulation support integrated component, is processed into a whole with the rubber shock-insulation support in a factory, can be regarded as fixedly connected in a connecting mode, is mainly made of a steel plate with the thickness of 20mm, has the same shape as the upper flange plate, and has the functions of protecting the upper rubber shock-insulation support and bearing and transmitting upper structure load;
the bolt hole positions 4 are positioned on an upper flange plate, a lower flange plate and a lower shock insulation buttress of the rubber shock insulation support, and fastening bolts penetrate through bolt holes of the upper flange plate to be connected with shock insulation upper buttress steel bars to form a whole; fastening bolts penetrate through bolt holes of the lower flange plate and bolt holes of the shock insulation lower buttress to form a whole;
the lower shock insulation buttress 5 is of a reinforced concrete structure, belongs to a building foundation part, is positioned right above a bearing platform and is used for providing a platform for mounting a rubber shock insulation support;
the shock insulation layer terrace 6 is a construction platform surface formed by pouring after backfilling a ground beam, and provides an operation surface for pouring a shock insulation lower buttress, installing a rubber shock insulation support and constructing an upper structure;
the spherical hinge support 7 is also called a universal rotating spherical hinge support, is a pear-shaped component with a thick lower part and a thin upper part, is embedded in a floor of a shock insulation layer, can horizontally rotate for 360 degrees along the gravity center line of the pear-shaped component, can vertically swing for a certain radian along the gravity center line, and is provided with a hole at the upper end for a flexible steel cable to pass through;
the elastic steel cable 8 is a steel cable with certain elasticity, one end of the steel cable passes through the upper end opening of the spherical hinge support, and the other end of the steel cable passes through the pull ring on the edge of the lower surface of the flange plate on the rubber shock insulation support, and has the function of applying a force opposite to the horizontal displacement direction of the rubber shock insulation support through the elastic steel cable when the rubber shock insulation support generates horizontal displacement, so that the horizontal displacement of a building is reduced, and the shock resistance effect is achieved;
the fastening bolt 9 is a connecting piece for connecting the rubber vibration isolation support with the vibration isolation upper buttress and the vibration isolation lower buttress, and is generally a high-strength bolt;
the spring 10 is made of high-strength materials, has a large elastic modulus, is arranged between adjacent rubber shock-insulation supports and between the shock-insulation upper buttress connecting beam and a shock-insulation layer terrace, and has the functions of limiting the horizontal displacement of the rubber shock-insulation supports and the shock-insulation upper buttress connecting beam and dispersing the horizontal acting force of a seismic load so as to achieve the shock-proof effect;
the pull rings 11 are arranged on the edge of the lower surface of an upper flange plate of the rubber shock-insulation support, two sides of a shock-insulation layer terrace and a shock-insulation upper buttress connecting beam and the ground and are made of metal materials, and the function of the pull rings is to connect the rubber shock-insulation support and the shock-insulation layer terrace through pull rings, elastic steel cables and spherical hinge supports, connect the shock-insulation upper buttress connecting beam and the shock-insulation layer terrace through pull rings, springs and pull rings, and connect the shock-insulation upper buttress connecting beam and a damper through pull rings and a hanging chain;
the damper 12 is a long-strip-shaped component with a damping device arranged inside, the upper surface of the long-strip-shaped component is connected to the lower surface of the seismic isolation upper buttress connecting beam through a 'lifting chain-pulling ring', the lower surface of the long-strip-shaped component is connected with a seismic isolation layer terrace through a pulling rod, and the effect of the long-strip-shaped component is that when seismic load enables a building to generate horizontal displacement, force opposite to the horizontal displacement direction of the building is applied through the effect of the damper, so that the horizontal displacement of the building is reduced, and the seismic effect is achieved;
the suspension chain 13 is formed by serially connecting metal rings and is used for connecting the damper with the shock insulation upper buttress connecting beam;
the lower end of the pull rod 14 is connected to a seismic isolation layer terrace through a hinged support and can swing within a certain range, the upper end of the pull rod is connected to the lower surface of the damper, and the upper end of the pull rod is connected with the lower end of the damper through a spring, so that the pull rod has certain flexibility;
the upper shock insulation buttress 15 is of a reinforced concrete structure, belongs to a building main body part, is generally positioned below a column and above the lower shock insulation buttress, and has a vertical projection size equal to that of the lower shock insulation buttress;
the upper seismic isolation buttress connecting beam 16 is of a reinforced concrete structure, belongs to a building main body part, and is generally a layer of bottom plate structure beam, and connects the upper seismic isolation buttress with a layer of bottom plate.
The construction method of the distributed composite anti-seismic device system based on the rubber shock-insulation support comprises the following steps:
preparation: in the construction stage of the building foundation, after concrete of the ground beams and the bearing platform is poured, earthwork is backfilled between the ground beams and tamped to serve as conditions for pouring the ground level of the shock insulation layer. According to about 50cm of down buttress 5's location axis of shock insulation down all around toward outer extension, the shock insulation is gone up the buttress and is linked roof beam 16 perpendicular projection line on shock insulation layer terrace 6 and extend about 50cm toward both sides, with pre-buried entering shock insulation layer terrace 6 of ball pivot support 7 and pull ring 11, simultaneously in the shock insulation is gone up the buttress and is linked the connecting piece of the pre-buried pull rod 14 of 6 departments of the shock insulation layer terrace that correspond under 16's the lower surface of roof beam, form the pulling point of shock insulation system, pour shock insulation layer terrace 6 at last, for pouring the construction of lower buttress 5 of shock insulation and installation rubber shock insulation support 1 and superstructure provide the operation face
Installing an anti-seismic device: after the seismic isolation layer terrace 6 is constructed, the steel bars of the seismic isolation lower buttress 5 are washed and deashed, and then the seismic isolation lower buttress 5 is finished by formwork pouring. Cleaning up the bolt holes 4 on the upper surface of the lower isolation buttress 5, carrying the rubber isolation bearing 1 to the lower isolation buttress 5 through a trailer or a hoisting machine, aligning the bolt holes 4 on the lower flange plate 3 of the rubber isolation bearing 1 to the bolt holes 4 on the upper surface of the lower isolation buttress 5, screwing the fastening bolts 9 after the installation is in place, and sequentially installing the rubber isolation bearing 1 on the same lower isolation buttress 5.
In the outside of rubber shock insulation support 1, pass the upper end trompil of pre-buried ball pivot support 7 in shock insulation layer terrace 6 with the lower extreme of elasticity steel cable 8, the pull ring 11 at 2 lower surface edges of flange plate on rubber shock insulation support 1 is passed to the upper end of elasticity steel cable 8, couples together rubber shock insulation support 1 and shock insulation layer terrace 6 through "pull ring 11-elasticity steel cable 8-ball pivot support 7". In the inner side of the rubber shock-insulation support 1, the spring 10 penetrates through the pull ring 11 at the lower surface edge of the upper flange plate 2 of the two adjacent rubber shock-insulation supports 1 to connect the two adjacent rubber shock-insulation supports 1.
And (3) constructing an upper structure: after 1 installation of rubber isolation bearing is accomplished, 15 steel reinforcement cages of prefabricated shock insulation upper buttress are installed to 2 tops of last flange plate of rubber isolation bearing 1 to seal with the template, pour and form superstructure: a seismic isolation upper pier 15 and a seismic isolation upper pier connecting beam 16. Before pouring the shock insulation upper pier connecting beam 16, pull rings 11 are pre-buried on two sides and the bottom surface of the shock insulation upper pier connecting beam 16 to serve as pull nodes.
And (3) perfecting the anti-seismic device: after the upper structure is poured, when the strength of concrete meets the construction requirement, the templates are dismantled and the pull rings 11 are embedded in the two sides and the bottom surface of the seismic isolation upper pier connecting beam 16. One end of a spring 10 penetrates through pull rings 11 embedded in two sides of an upper support pier connecting beam 16 of the shock insulation layer, the other end of the spring penetrates through pull rings 11 embedded in the floor 6 of the shock insulation layer, and the upper support pier connecting beam 16 of the shock insulation layer is connected with the floor 6 of the shock insulation layer through the pull rings 11-the spring 10-the pull rings 11'. The lower end of a pull rod 14 is installed at the corresponding shock insulation layer terrace 6 right below the lower surface of the shock insulation upper pier connecting beam 16, and the upper end of the pull rod 14 is connected to the lower surface of the damper 12. The upper surface of the damper 12 is connected to the lower end of the sling chain 13, the upper end of the sling chain 13 is connected to a pull ring 11 pre-buried in the bottom surface of the upper seismic isolation pier connecting beam 16, and the upper seismic isolation pier connecting beam 16 and the seismic isolation layer terrace 6 are connected through the pull ring 11, the sling chain 13, the damper 12 and the pull rod 14 to form a complete seismic isolation device system.
The device principle is as follows: when an earthquake occurs, the earthquake load is transmitted to the building foundation from the foundation, and the anti-seismic device system starts to bear the force to work.
Because the earthquake damages the building structure mainly under the action of horizontal load, when the rubber shock insulation support 1 is subjected to the horizontal earthquake load, because the rubber layers of the internal structure of the rubber shock insulation support have the hysteresis property, the multi-layer rubber layers resist the horizontal displacement generated by the horizontal earthquake load, the displacement of the upper building structure is reduced, and the possibility of structural damage is reduced.
The adjacent rubber shock insulation support seats 1 are connected through the springs 10, so that the relative displacement of the adjacent rubber shock insulation support seats 1 is reduced, and the stability is kept.
Rubber isolation bearing 1 is adjacent with isolation layer terrace 6 through elasticity steel cable 8, and the buttress even roof beam 16 links to each other with isolation layer terrace 6 through spring 10 on the isolation, and elasticity steel cable 8 and spring 10 provide respectively with rubber isolation bearing 1 and the isolation on the pier even roof beam 16 horizontal displacement opposite direction's power, have restricted the horizontal displacement of pier even roof beam 16 on rubber isolation bearing 1 and the isolation.
In addition, the damper 12, the sling chain 13 and the pull rod 14 connect the vibration-isolating upper pier connecting beam 16 with the vibration-isolating layer terrace 6, and the damper also provides a force opposite to the horizontal displacement direction of the vibration-isolating upper pier connecting beam 16, so that the horizontal displacement of the vibration-isolating upper pier connecting beam 16 is limited.
The device plays a role in limiting the displacement of the building structure integrally, reduces the damage caused by earthquake, and ensures the safety of the building structure.
According to the invention, the installation and replacement difficulty is reduced by adopting the small-size rubber shock insulation support, and the shock resistance effect of the small-size rubber shock insulation support is enhanced by connecting the adjacent rubber shock insulation supports through springs and connecting the rubber shock insulation support with a shock insulation layer terrace through an elastic steel cable; the damper is applied to the shock insulation upper pier connecting beam, the structural shock resistance is improved, the self-repairing function is achieved when the shock insulation effect is guaranteed by the aid of the device system in flexible connection modes such as springs, elastic steel cables and pull rods, the working frequency of later-period maintenance is reduced, and the maintenance cost is reduced. The device and the construction method adopted by the invention effectively reduce the investment of materials, manpower and machinery, shorten the construction period and save the cost.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a distributed compound antidetonation device system based on rubber shock insulation support which characterized in that includes: the device comprises a rubber shock insulation support (1), an upper flange plate (2), a lower flange plate (3), bolt holes (4), a shock insulation lower buttress (5), a shock insulation layer terrace (6), a ball hinge support (7), an elastic steel cable (8), fastening bolts (9), springs (10), pull rings (11), dampers (12), a hanging chain (13), pull rods (14), a shock insulation upper buttress (15) and a shock insulation upper buttress connecting beam (16); wherein:
4 rubber shock insulation supports (1) are arranged on the shock insulation lower buttress (5), the lower portion of each rubber shock insulation support (1) is connected with the shock insulation lower buttress (5) through a lower flange plate (3) provided with a circle of bolt holes (4), the upper portion of each rubber shock insulation support (1) is connected with a shock insulation upper buttress (15) through an upper flange plate (2) provided with a circle of bolt holes (4), and fastening bolts (9) are arranged in the bolt holes (4);
the adjacent rubber shock insulation supports (1) are connected through a spring (10); a circle of 8 spherical hinge supports (7) are embedded on the shock insulation layer terrace (6) around the shock insulation lower buttress (5), and the outer edge of the upper flange plate (2) is connected with the spherical hinge supports (7) through an elastic steel cable (8);
the shock insulation upper pier connecting beam (16) and the shock insulation upper pier (15) are perpendicular to each other, a plurality of symmetrically arranged springs (10) are arranged on two sides of the shock insulation upper pier connecting beam (16), and the springs (10) are fixed on a shock insulation layer terrace (6) through pull rings (11); the lower part of the shock insulation upper pier connecting beam (16) is provided with a plurality of dampers (12), the upper parts of the dampers (12) are fixed with the lower part of the shock insulation upper pier connecting beam (16) through a hanging chain (13), and the lower parts of the dampers (12) are fixed with a shock insulation layer terrace (6) through a pull rod (14).
2. The distributed composite anti-seismic device system based on rubber isolation bearings according to claim 1, wherein the internal structure of the rubber isolation bearing (1) is formed by repeatedly overlapping steel plate-rubber-steel plate-rubber up and down, and a lead core perpendicular to the direction of the steel plate is arranged in the center of the inside.
3. The distributed composite earthquake-proof device system based on rubber isolation bearing according to claim 1, wherein the upper flange plate (2) and the lower flange plate (3) are integrated with the rubber isolation bearing (1) into a whole, are made of steel plates with the thickness of 20mm, and are square or circular.
4. The distributed composite earthquake-proof device system based on rubber isolation bearing according to claim 1, wherein the isolation lower buttress (5) is of reinforced concrete structure, belongs to the building foundation part, is positioned right above the bearing platform and is used for providing a platform for installing the rubber isolation bearing (1); the shock insulation layer terrace (6) is a construction platform surface formed by pouring after backfilling a ground beam, and provides an operation surface for pouring the shock insulation lower buttress (5), installing the rubber shock insulation support (1) and constructing an upper structure.
5. The distributed composite earthquake-proof device system based on rubber vibration-isolating supports as claimed in claim 1, wherein the vibration-isolating upper buttress (15) is of a reinforced concrete structure, belongs to a building main body part, is positioned under the column and directly above the vibration-isolating lower buttress (5), and has a vertical projection size equal to that of the vibration-isolating lower buttress (5); the shock insulation upper buttress connecting beam (16) is of a reinforced concrete structure, belongs to a building main body part, is a layer of bottom plate structure beam, and connects the shock insulation upper buttress (15) with a layer of bottom plate.
6. The distributed composite anti-seismic device system based on the rubber shock-insulation support according to claim 1, wherein the spherical hinge support (7) is a pear-shaped component with a thick lower part and a thin upper part, is embedded in the shock-insulation layer terrace (6), can horizontally rotate for 360 degrees along the gravity center line of the pear-shaped component, can vertically swing for a certain radian along the gravity center line, is provided with a hole at the upper end, and is penetrated by an elastic steel cable (8).
7. The distributed composite earthquake-proof device system based on rubber isolation bearing according to claim 6, wherein the elastic steel cable (8) is a steel cable with certain elasticity, one end of the steel cable passes through the upper opening of the spherical hinge bearing (7), and the other end of the steel cable passes through the lower surface edge of the upper flange plate (2) of the rubber isolation bearing (1).
8. The distributed composite earthquake-proof device system based on rubber shock-insulation supports according to claim 1, wherein the damper (12) is an elongated member with a damping device inside, the upper surface of the elongated member is connected to the lower surface of the upper pier-connected beam through a suspension chain (13), and the lower surface of the elongated member is connected to the terrace (6) of the shock-insulation layer through a pull rod (14).
9. The distributed composite anti-seismic device system based on rubber shock-insulation supports according to claim 1, wherein the suspension chain (13) is formed by serially connecting metal rings and is used for connecting the damper (12) with the shock-insulation upper pier connecting beam (16); the lower end of the pull rod (14) is connected to the shock insulation layer terrace (6) through a hinged support, the lower end of the pull rod can swing within a certain range, the upper end of the pull rod is connected to the lower surface of the damper (12), and the upper end and the lower end of the pull rod are connected through a spring, so that the pull rod (14) has certain flexibility.
10. A construction method of a distributed composite anti-seismic device system based on rubber shock-insulation supports is characterized by comprising the following steps:
preparation: in the construction stage of a building foundation, after concrete of ground beams and bearing platforms is poured, earth is backfilled between the ground beams and tamped to serve as a condition for pouring the ground level of the shock insulation layer; according to the technical scheme, the method comprises the following steps that the periphery of a positioning axis of a lower seismic isolation buttress extends by 50cm outwards, the vertical projection line of a connecting beam of an upper seismic isolation buttress on a ground level of a seismic isolation layer extends by 50cm towards two sides, a spherical hinge support and a pull ring are pre-embedded into the ground level of the seismic isolation layer, meanwhile, a connecting piece of a pull rod is pre-embedded at the ground level of the seismic isolation layer corresponding to the position under the lower surface of the connecting beam of the upper seismic isolation buttress to form a pull node of a seismic isolation system, and finally the ground level of the seismic isolation layer is poured to provide an operation surface for pouring the lower seismic isolation buttress, installing a rubber seismic isolation support and constructing an upper structure;
installing an anti-seismic device: after the floor of the shock insulation layer is constructed, flushing and cleaning the steel bars of the shock insulation lower buttress, and then erecting a formwork and pouring to complete the shock insulation lower buttress; cleaning bolt holes in the upper surface of the shock insulation lower support pier, carrying the rubber shock insulation support to the shock insulation lower support pier through a trailer or a hoisting and hoisting machine, aligning bolt holes in a lower flange plate of the rubber shock insulation support with bolt holes in the upper surface of the shock insulation lower support pier, screwing fastening bolts after the installation is in place, and sequentially installing the rubber shock insulation support on the same shock insulation lower support pier;
the method comprises the following steps that the lower end of an elastic steel cable penetrates through an upper end hole of a spherical hinge support embedded in a seismic isolation layer terrace outside a rubber seismic isolation support, the upper end of the elastic steel cable penetrates through a pull ring at the edge of the lower surface of a flange plate on the rubber seismic isolation support, and the rubber seismic isolation support and the seismic isolation layer terrace are connected through the pull ring, the elastic steel cable and the spherical hinge support; in the inner side of the rubber shock insulation support, a spring penetrates through pull rings at the edges of the lower surfaces of the upper flange plates of two adjacent rubber shock insulation supports to connect the two adjacent rubber shock insulation supports;
and (3) constructing an upper structure: after the installation of rubber isolation bearing is accomplished, pier steel reinforcement cage on the prefabricated shock insulation of last flange board top installation of rubber isolation bearing to seal with the template, pour and form superstructure: the shock insulation upper buttress is connected with the beam; before pouring the shock insulation upper pier connecting beam, embedding pull rings on two sides and the bottom surface of the shock insulation upper pier connecting beam to be used as pull nodes;
and (3) perfecting the anti-seismic device: after the upper structure is poured, when the strength of concrete meets the construction requirement, dismantling the template and cleaning up the embedded pull rings on the two sides and the bottom surface of the seismic isolation upper pier connecting beam; one end of a spring penetrates through pull rings pre-embedded on two sides of the shock insulation upper buttress connecting beam, the other end of the spring penetrates through pull rings pre-embedded on the shock insulation layer terrace, and the shock insulation upper buttress connecting beam is connected with the shock insulation layer terrace through the pull ring-spring-pull ring; installing the lower end of a pull rod at a corresponding shock insulation layer terrace right below the lower surface of the shock insulation upper pier connecting beam, and connecting the upper end of the pull rod to the lower surface of the damper; the upper surface of the damper is connected to the lower end of the sling chain, the upper end of the sling chain is connected to a pre-embedded pull ring on the bottom surface of the seismic isolation upper buttress connecting beam, and the seismic isolation upper buttress connecting beam and a seismic isolation layer terrace are connected through the pull ring, the sling chain, the damper and the pull rod to form a complete seismic isolation device system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211307044.XA CN115652775A (en) | 2022-10-25 | 2022-10-25 | Distributed composite anti-seismic device system based on rubber shock insulation support and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211307044.XA CN115652775A (en) | 2022-10-25 | 2022-10-25 | Distributed composite anti-seismic device system based on rubber shock insulation support and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115652775A true CN115652775A (en) | 2023-01-31 |
Family
ID=84991017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211307044.XA Pending CN115652775A (en) | 2022-10-25 | 2022-10-25 | Distributed composite anti-seismic device system based on rubber shock insulation support and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115652775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117988460A (en) * | 2024-04-03 | 2024-05-07 | 河南珏峻建筑装饰有限公司 | Assembled building structure for earthquake resistance and construction process |
| CN117988460B (en) * | 2024-04-03 | 2024-06-11 | 河南珏峻建筑装饰有限公司 | Assembled building structure for earthquake resistance and construction process |
-
2022
- 2022-10-25 CN CN202211307044.XA patent/CN115652775A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117988460A (en) * | 2024-04-03 | 2024-05-07 | 河南珏峻建筑装饰有限公司 | Assembled building structure for earthquake resistance and construction process |
| CN117988460B (en) * | 2024-04-03 | 2024-06-11 | 河南珏峻建筑装饰有限公司 | Assembled building structure for earthquake resistance and construction process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105672517B (en) | One kind waves Self-resetting self-supporting tall and slender structure | |
| CN210288752U (en) | Damping grounding type fabricated reinforced concrete tuned mass damping wall | |
| JP2009144494A (en) | Base-isolating work method for existing buildings | |
| CN107882055A (en) | A kind of construction method of blower fan cushion cap | |
| CN210768050U (en) | Assembled building cantilever wall formula mild steel attenuator connection structure | |
| CN113136853A (en) | Assembly type drilling platform and process for reservoir bare rock group pile foundation | |
| CN115653373A (en) | Double-spherical hinge support beam column anti-seismic structure system and construction method | |
| CN211898502U (en) | High-position conversion foundation of construction elevator | |
| CN106437261B (en) | A kind of concrete frame seismic reinforcing structure using expanded metal lath | |
| CN115652775A (en) | Distributed composite anti-seismic device system based on rubber shock insulation support and construction method | |
| CN208563658U (en) | A kind of prefabricated lattice compound shear wall assembly monomer | |
| CN206941372U (en) | Concrete-filled steel tube with dumbbell sections assembled pier and the attachment structure with cushion cap | |
| CN208105023U (en) | Assembling type girder bridge | |
| CN210013237U (en) | Combined assembly type damping floating platform | |
| CN213391361U (en) | Color steel plate prefabricated house capable of improving wind resistance | |
| CN212742169U (en) | Steel stand and concrete cushion cap connection structure | |
| CN211257759U (en) | Truss type heavy suspension scaffold | |
| CN111576478A (en) | Elevator well foundation structure | |
| CN109339475B (en) | Additional lateral force cable resistant structure for reinforcing masonry structure and reinforcing method | |
| CN111622347A (en) | Cross-shaped node connecting structure of assembled frame structure and construction method thereof | |
| CN108894111A (en) | A kind of heavy-duty steel anchor beam and steel corbel integral hoisting device for rapid and hanging method | |
| CN218758507U (en) | Elevartor shaft supporting construction among deep basal pit | |
| CN213868325U (en) | Shear-resistant prefabricated floor slab and steel plate shear wall connecting structure | |
| CN117005995B (en) | Manufacturing method of assembled tough defending jacket offshore wind turbine | |
| CN220334466U (en) | Side wall attached type elevator additionally installed structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |