CN110952825B - Prefabricated anti-seismic tough reinforced concrete frame structure and construction method - Google Patents

Prefabricated anti-seismic tough reinforced concrete frame structure and construction method Download PDF

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CN110952825B
CN110952825B CN201911162583.7A CN201911162583A CN110952825B CN 110952825 B CN110952825 B CN 110952825B CN 201911162583 A CN201911162583 A CN 201911162583A CN 110952825 B CN110952825 B CN 110952825B
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reinforced concrete
column
concrete column
frame structure
hole
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CN110952825A (en
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陈云
禹文华
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Hainan University
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings

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  • Business, Economics & Management (AREA)
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Abstract

The invention discloses a prefabricated anti-seismic tough reinforced concrete frame structure and a construction method thereof, wherein the frame structure is constructed on a concrete foundation and comprises a reinforced concrete column, an anchor rod, a reinforced concrete beam, a pull rod and a damper; the reinforced concrete column and the beam are provided with holes, the disc spring group is arranged in the holes, the disc spring group is fixedly connected with the beam and the column joints through the pull rod, the disc spring group is fixedly connected with the column and the foundation joints through the anchor rod, the reinforced concrete beam end and the column end are provided with the encrypted stirrups or the spiral stirrups or the outer wrapping steel plates, the lower side of the beam end is provided with the damper, and the periphery of the gap of the reserved groove of the reinforced concrete column and the concrete foundation is filled with the elastic scalability material.

Description

Prefabricated anti-seismic tough reinforced concrete frame structure and construction method
Technical Field
The invention relates to the technical field of earthquake-resistant structural systems, in particular to a prefabricated assembly type earthquake-resistant tough reinforced concrete frame structure and a construction method.
Background
In recent years, prefabricated structures are more and more concerned by the industry as an energy-saving and environment-friendly building mode with convenient construction. The prefabricated structure has the advantages of high efficiency, high industrialization degree, high standardization degree, high building earthquake resistance, high energy-saving performance and the like. However, the prefabricated reinforced concrete structure is usually small in ductility and large in plastic deformation of the beam-column self-reset node when a strong earthquake occurs, so that concrete members are cracked, broken or even collapsed, and repair work after the earthquake is difficult or even impossible.
Therefore, how to provide a prefabricated anti-seismic tough reinforced concrete frame structure with strong energy consumption capability and a certain self-resetting function and a construction method thereof is a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides a prefabricated anti-seismic tough reinforced concrete frame structure and a construction method thereof, and aims to solve the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a prefabricated assembled antidetonation toughness reinforced concrete frame structure builds on the concrete foundation, includes: the concrete anchor rod is arranged on the steel reinforced concrete column;
the reinforced concrete columns are vertically arranged, the bottom ends of the reinforced concrete columns are inserted into grooves formed in the top surface of the concrete foundation, and elastic telescopic materials are filled between the reinforced concrete columns and the grooves; one end of the reinforced concrete column, which is close to the concrete foundation, is provided with a hole;
the anchor rod axially penetrates through the reinforced concrete column, the top end of the anchor rod penetrates through the hole of the reinforced concrete column and is fixed after being sleeved with the disc spring group, and the other end of the anchor rod penetrates through the bottom of the reinforced concrete column and is fixed with the inside of the concrete foundation;
the reinforced concrete beam is horizontally and correspondingly arranged on the side wall of the reinforced concrete column, and a hole is formed at one end close to the reinforced concrete column;
the pull rod axially penetrates through the reinforced concrete beam, one end of the pull rod penetrates through the side wall of the reinforced concrete column to be fixed, and the other end of the pull rod penetrates through the corresponding side wall of the reinforced concrete column, the end head of the reinforced concrete beam and the hole in the reinforced concrete beam and is sleeved with a disc spring set for fixing;
the damper is located on the bottom surface of the reinforced concrete beam and connected with the reinforced concrete beam and the reinforced concrete column.
According to the technical scheme, the holes are formed in the reinforced concrete column and the beam, the disc spring group is installed in the holes, the disc spring group is fixedly connected with the beam and the column through the pull rod, the disc spring group is fixedly connected with the column and the foundation through the anchor rod, the damper is arranged on the lower side of the beam end, elastic telescopic materials are filled around the gap between the reinforced concrete column and the reserved groove of the concrete foundation, the ductility of the anti-seismic toughness frame structure is large, the residual displacement after earthquake is small, the main body structure after earthquake basically keeps elasticity, and the anti-seismic toughness frame structure can be widely applied to building structures.
It should be noted that the elastic telescopic material plays a role in protecting a concrete foundation near the bottom of the reinforced concrete column from being damaged, when the reinforced concrete column tilts under the action of an earthquake, the pressure stress on one side of the column bottom disappears, and the elastic telescopic material generates horizontal deformation to transmit shearing force and provides buffer protection, so that the structure has larger deformation but is not damaged.
Preferably, in the prefabricated aseismatic tough reinforced concrete frame structure, a reinforced stirrup or a spiral stirrup is fixed inside the reinforced concrete column between the bottom end of the reinforced concrete column and the hole of the reinforced concrete column. The ductility of the anti-seismic toughness frame structure is improved, and the anti-seismic elastic recovery effect is stronger.
Preferably, in the prefabricated aseismatic tough reinforced concrete frame structure, a reinforcing stirrup or a spiral stirrup is fixed inside the reinforced concrete beam between the end close to the reinforced concrete column and the hole of the reinforced concrete column. The ductility of the anti-seismic toughness frame structure is improved, and the anti-seismic elastic recovery effect is stronger.
Preferably, in the prefabricated assembly type aseismatic tough reinforced concrete frame structure, the bottom end and the side wall of the reinforced concrete column in the concrete foundation are wrapped with steel plates. The protection effect on the reinforced concrete column is improved.
Preferably, in the prefabricated assembly type anti-seismic tough reinforced concrete frame structure, an embedded steel plate is horizontally fixed in the concrete foundation; the anchor rod penetrates through the bottom end of the reinforced concrete column and the embedded steel plate and is fixed with the bottom surface of the embedded steel plate. The prefabricated connection of being convenient for, and the structural stability who improves the connection.
Preferably, in the prefabricated assembly type anti-seismic tough reinforced concrete frame structure, protection angle steels are arranged at four corners of one end, close to the reinforced concrete column, of the reinforced concrete beam, or protection steel plates are arranged around the reinforced concrete column. Avoiding the beam ends from being crushed by concrete when rotating.
Preferably, in the prefabricated assembly type aseismatic tough reinforced concrete frame structure, the reinforced concrete column and the reinforced concrete beam are provided with reserved holes for the anchor rods and the pull rods to pass through. The pull rod and the anchor rod can be conveniently connected and installed.
Preferably, in the prefabricated assembly type anti-seismic tough reinforced concrete frame structure, the damper is a rotary friction damper, a C-shaped damper or energy dissipation angle steel. The selection requirement of the damper can be adapted to the vibration change of the reinforced concrete beam, and the anti-seismic effect can be further improved.
Preferably, in the prefabricated assembly type aseismatic tough reinforced concrete frame structure, one end of the pull rod, which is far away from the hole in the reinforced concrete beam, is fixedly connected with the side wall of the reinforced concrete column through a high-strength bolt, and a cushion plate is arranged between the pull rod and the reinforced concrete column. The connection is convenient, and the stability and the wear resistance of the connection are improved.
It should be noted that the superposition and involution modes and the number of the disc spring groups need to calculate the load value and the deformation borne by the structure through actual conditions, the optimal combination mode and the number are calculated through finite element program simulation, when the frame structure swings under the action of an earthquake, the disc spring groups on the beam end and the column end of the damper can jointly consume energy, the frame structure can be rapidly restored to the initial state after the earthquake, the self-resetting is realized, and the growth effect of the beam can be reduced.
A construction method of an anti-seismic tough reinforced concrete column and a steel reinforced concrete beam frame comprises the following steps:
s1, arranging reserved holes and holes on the reinforced concrete beam and the reinforced concrete column during prefabrication;
s2, pre-burying and fixing one end of an anchor rod in a concrete foundation, designing and reserving the size of a groove, then pouring the concrete foundation for molding, and filling elastic telescopic materials around the groove in sequence after the concrete foundation reaches a final setting stage;
s3, the reinforced concrete column penetrates through the end, extending out of the embedded anchor rod, of the embedded anchor rod and is placed into a reserved groove of a concrete foundation, and the disc spring group is fixedly installed at the top end of the anchor rod extending into the hole;
s4, inserting a pull rod at the position of the beam column node into a reserved hole in the reinforced concrete column in advance, fixing one end of the pull rod on a base plate on the outer side of the reinforced concrete column, inserting the other end of the pull rod into a sleeve in the reinforced concrete beam after the reinforced concrete beam is placed, and installing and fixing a disc spring set at the end part of the pull rod in the hole of the reinforced concrete beam and then installing a damper.
According to the technical scheme, compared with the prior art, the invention discloses and provides a prefabricated anti-seismic tough reinforced concrete frame structure and a construction method thereof, and the prefabricated anti-seismic tough reinforced concrete frame structure has the following beneficial effects:
1. the reinforced concrete column and the beam are provided with holes, the disc spring group is arranged in the holes, the disc spring group is fixedly connected with the beam and the column joints through the pull rod, the disc spring group is fixedly connected with the column and the foundation joints through the anchor rod, the reinforced concrete beam end and the column end are provided with the encrypted stirrups or the spiral stirrups or the outer wrapping steel plates, the lower side of the beam end is provided with the damper, and the periphery of the gap of the reserved groove of the reinforced concrete column and the concrete foundation is filled with the elastic scalability material.
2. The prefabricated anti-seismic tough reinforced concrete frame structure can dissipate seismic energy and realize automatic reset of the structure, can realize column base swing and beam column node corner displacement under the action of strong shock, can realize self-reset and simultaneously dissipate seismic energy under the action of the disc spring group and the damper system, and ensures that the residual deformation of a main body structure is very small; the self-resetting and the damper of the frame structure are both arranged outside the main body structure, and the frame structure is convenient to replace and maintain after being damaged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic vertical section of a frame structure provided by the invention.
Wherein:
the concrete anchor is composed of the following components, by weight, 1-a reinforced concrete beam, 2-a reinforced concrete column, 3-a concrete foundation, 4-holes, 5-a disc spring set, 6-reserved holes, 7-a pull rod, 8-a backing plate, 9-a high-strength bolt, 10-protection angle steel, 11-a spiral stirrup, 12-a damper, 13-a steel plate, 14-elastic scalability materials, 15-an embedded steel plate and 16-an anchor rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to the attached drawing 1, the embodiment of the invention discloses a prefabricated aseismic tough reinforced concrete frame structure which is constructed on a concrete foundation 3 and comprises the following components: the concrete-reinforced concrete column 2, the anchor rod 16, the reinforced concrete beam 1, the pull rod 7 and the damper 12;
the reinforced concrete column 2 is vertically arranged, the bottom end of the reinforced concrete column is inserted into a groove formed in the top surface of the concrete foundation 3, and an elastic telescopic material 14 is filled between the reinforced concrete column 2 and the groove; one end of the reinforced concrete column 2 close to the concrete foundation 3 is provided with a hole 4;
the anchor rod 16 axially penetrates through the interior of the reinforced concrete column 2, the top end of the anchor rod penetrates through the hole 4 of the reinforced concrete column 2 and is fixed after being sleeved with the disc spring group 5, and the other end of the anchor rod penetrates through the bottom of the reinforced concrete column 2 and is fixed with the interior of the concrete foundation 3;
the reinforced concrete beam 1 is horizontally and correspondingly arranged on the side wall of the reinforced concrete column 2, and a hole 4 is formed at one end close to the reinforced concrete column 2;
the pull rod 7 axially penetrates through the reinforced concrete beam 1, one end of the pull rod penetrates through the side wall of the reinforced concrete column 2 to be fixed, and the other end of the pull rod penetrates through the corresponding side wall of the reinforced concrete column 2, the end of the reinforced concrete beam 1 and a hole 4 on the reinforced concrete beam and is then sleeved with the disc spring group 5 to be fixed;
the damper 12 is located on the bottom surface of the reinforced concrete beam 1, and is connected to the reinforced concrete beam 1 and the reinforced concrete column 2.
In order to further optimize the technical scheme, a reinforced stirrup or a spiral stirrup 11 is fixed inside the reinforced concrete column 2 between the bottom end thereof and the hole 4.
In order to further optimize the technical scheme, a reinforced concrete beam 1 is fixedly provided with a reinforced stirrup or a spiral stirrup 11 between the end close to the reinforced concrete column 2 and the hole 4.
In order to further optimize the technical scheme, the bottom end and the side wall of the reinforced concrete column 2 in the concrete foundation 3 are wrapped with steel plates 13.
In order to further optimize the technical scheme, an embedded steel plate 15 is horizontally fixed in the concrete foundation 3; the anchor rod 16 penetrates through the bottom end of the reinforced concrete column 2 and the embedded steel plate 15 and is fixed with the bottom surface of the embedded steel plate 15.
In order to further optimize the technical scheme, the four corners of one end, close to the reinforced concrete column 2, of the reinforced concrete beam 1 are provided with protective angle steels 10, or the periphery of the reinforced concrete beam is provided with protective steel plates.
In order to further optimize the technical scheme, the reinforced concrete column 2 and the reinforced concrete beam 1 are provided with reserved holes 6 for the anchor rods 16 and the pull rods 7 to penetrate through.
In order to further optimize the above technical solution, the damper 12 is a rotational friction damper, a C-type damper or an energy dissipating angle steel.
In order to further optimize the technical scheme, one end of the pull rod 7, which is far away from the hole 4 in the reinforced concrete beam 1, is fixedly connected with the side wall of the reinforced concrete column 2 through a high-strength bolt 9, and a backing plate 8 is arranged between the pull rod and the reinforced concrete column.
The invention is characterized in that holes 4 are arranged on a reinforced concrete column 2 and a reinforced concrete beam 1, a disc spring group 5 is arranged in the holes 4, the disc spring group 5 is fixedly connected with the beam and column joints through a pull rod 7, the disc spring group 5 is fixedly connected with the column and foundation joints through an anchor rod 16, a reinforced concrete beam 1 end and a reinforced concrete column 2 end are provided with a reinforced stirrup or spiral stirrup 11 or an outer coated steel plate 13, a damper 12 is arranged at the lower side of the beam end, and elastic scalability materials 14 are filled around the gap of a reserved groove of the reinforced concrete column 2 and the concrete foundation 3.
The disc spring group 5 is a composite combined disc spring, when the disc springs are overlapped, compared with the same deformation, the more the number of the springs is, the larger the load is, the better the deformation and the self-recovery capability can be born, and 20% -80% of initial pre-compression strain should be applied to the composite combined spring.
The damper 12 is fixed under the reinforced concrete beam 1 by a high-strength bolt, when the reinforced concrete column 2 swings and inclines under the action of earthquake, a beam column node is opened, the damper 12 can rotate along with the node, and energy is consumed by friction during rotation.
Example 2:
the present embodiment is different from embodiment 1 in that: the positions of holes 4 formed in the column base end part of the reinforced concrete column 2 are different, the positions of the holes are the left side and the right side of the column base end part, and the positions of the holes 4 formed in the end part of the reinforced concrete beam 1 are the front side and the rear side of the beam end part; the end part of the reinforced concrete column 2 is not damaged by bending, and the encrypted stirrups arranged at the end part of the reinforced concrete column 2 can be replaced by externally arranging steel pipe protection. During construction, adaptability selection can be carried out according to specific conditions, and the purpose is to enable the construction mode to be more convenient.
Example 3:
the embodiment of the invention discloses a construction method of an anti-seismic tough reinforced concrete column and a steel reinforced concrete beam frame, which comprises the following steps:
s1, arranging a reserved hole 6 and a reserved hole 4 on the reinforced concrete beam 1 and the reinforced concrete column 2 during prefabrication;
s2, pre-burying and fixing one end of the anchor rod 16 in the concrete foundation 3, designing and reserving the size of a groove, then pouring the concrete foundation 3 for molding, and filling elastic telescopic materials 14 around the groove in sequence after the concrete foundation 3 reaches a final setting stage;
s3, the reinforced concrete column 2 penetrates through one end, extending out of the embedded anchor rod 16, of the embedded anchor rod and is placed into a reserved groove of the concrete foundation 3, and the disc spring set 5 is fixedly installed at the top end of the anchor rod 16 extending into the hole 4;
s4, inserting a pull rod 7 at a beam column node into a reserved hole 6 in a reinforced concrete column 2 in advance, fixing one end of the pull rod 7 on a base plate 8 on the outer side of the reinforced concrete column 2, inserting the other end of the pull rod 7 into a sleeve in the reinforced concrete beam 1 after the reinforced concrete beam 1 is placed, and installing and fixing a disc spring group 5 at the end part of the pull rod 7 in the hole 4 of the reinforced concrete beam 1 and then installing a damper 12.
The disc spring group 5 in the holes 4 of the reinforced concrete beam 1 and the reinforced concrete column 2 is sleeved and fixed by a steel pipe with the diameter size larger than that of the disc spring group 5 after the installation is finished, and then the holes 4 are filled with mortar.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. The utility model provides a prefabricated assembled antidetonation toughness reinforced concrete frame structure which characterized in that builds on concrete foundation (3), includes: the concrete-reinforced concrete beam comprises a reinforced concrete column (2), an anchor rod (16), a reinforced concrete beam (1), a pull rod (7) and a damper (12);
the reinforced concrete columns (2) are vertically arranged, the bottom ends of the reinforced concrete columns are inserted into grooves formed in the top surfaces of the concrete foundations (3), and elastic telescopic materials (14) are filled between the reinforced concrete columns (2) and the grooves; one end of the reinforced concrete column (2) close to the concrete foundation (3) is provided with a hole (4); a reinforced stirrup or a spiral stirrup (11) is fixed inside the reinforced concrete column (2) between the bottom end and the hole (4);
the anchor rod (16) axially penetrates through the reinforced concrete column (2), the top end of the anchor rod penetrates through the hole (4) of the reinforced concrete column (2) and is fixed after being sleeved with the disc spring group (5), and the other end of the anchor rod penetrates through the bottom of the reinforced concrete column (2) and is fixed with the inside of the concrete foundation (3);
the reinforced concrete beam (1) is horizontally and correspondingly arranged on the side wall of the reinforced concrete column (2), and a hole (4) is formed at one end close to the reinforced concrete column (2); a reinforced stirrup or a spiral stirrup (11) is fixed inside the reinforced concrete beam (1) between the end close to the reinforced concrete column (2) and the hole (4) of the reinforced concrete column;
the pull rod (7) axially penetrates through the reinforced concrete beam (1), one end of the pull rod penetrates through the side wall of the reinforced concrete column (2) to be fixed, and the other end of the pull rod penetrates through the corresponding side wall of the reinforced concrete column (2), the end of the reinforced concrete beam (1) and the hole (4) in the end of the reinforced concrete beam and then is sleeved with a disc spring group (5) for fixing;
the damper (12) is located on the bottom surface of the reinforced concrete beam (1) and connected with the reinforced concrete beam (1) and the reinforced concrete column (2).
2. A prefabricated aseismatic tough reinforced concrete frame structure according to claim 1, wherein the bottom end and the side wall of the reinforced concrete column (2) in the concrete foundation (3) are wrapped with steel plates (13).
3. The prefabricated aseismatic tough reinforced concrete frame structure according to claim 1, wherein an embedded steel plate (15) is horizontally fixed in the concrete foundation (3); the anchor rod (16) penetrates through the bottom end of the reinforced concrete column (2) and the embedded steel plate (15) and is fixed with the bottom surface of the embedded steel plate (15).
4. The prefabricated aseismatic tough reinforced concrete frame structure according to claim 1, wherein the four corners of one end of the reinforced concrete beam (1) close to the reinforced concrete column (2) are provided with protection angle steels (10) or protection steel plates.
5. The prefabricated aseismatic tough reinforced concrete frame structure according to claim 1, wherein the reinforced concrete column (2) and the reinforced concrete beam (1) are provided with a reserved hole (6) for the anchor rod (16) and the pull rod (7) to pass through.
6. A prefabricated aseismatic tough reinforced concrete frame structure according to claim 1, wherein the damper (12) is a rotational friction damper, a C-type damper or an energy dissipating angle steel.
7. A prefabricated aseismatic tough reinforced concrete frame structure according to claim 1, wherein one end of the tie rod (7) far away from the hole (4) on the reinforced concrete beam (1) is fixedly connected with the side wall of the reinforced concrete column (2) through a high-strength bolt (9), and a backing plate (8) is padded therebetween.
8. A construction method of a prefabricated aseismatic tough reinforced concrete frame structure according to any one of claims 1 to 7, comprising the steps of:
s1, forming reserved holes (6) and holes (4) in the reinforced concrete beam (1) and the reinforced concrete column (2) during prefabrication;
s2, pre-burying and fixing one end of an anchor rod (16) in a concrete foundation (3), designing and reserving the size of a groove, then pouring the concrete foundation (3) for forming, and filling elastic scalable materials (14) around the groove in sequence after the concrete foundation (3) reaches a final setting stage;
s3, the reinforced concrete column (2) penetrates through one end, extending out of the embedded anchor rod (16), and is placed into a reserved groove of the concrete foundation (3), and the disc spring group (5) is fixedly installed at the top end of the anchor rod (16) extending into the hole (4);
s4, inserting a pull rod (7) at a beam column node into a reserved hole (6) in a reinforced concrete column (2) in advance, fixing one end of the pull rod (7) on a base plate (8) on the outer side of the reinforced concrete column (2), inserting the other end of the pull rod (7) into a middle sleeve of the reinforced concrete beam (1) after the reinforced concrete beam (1) is put in place, and installing a damper (12) at the end part of the pull rod (7) which is fixedly arranged in the hole (4) of the reinforced concrete beam (1) in a disc spring group (5).
CN201911162583.7A 2019-11-25 2019-11-25 Prefabricated anti-seismic tough reinforced concrete frame structure and construction method Active CN110952825B (en)

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CN114182840B (en) * 2021-11-11 2022-10-04 中国矿业大学(北京) Large-deformation anchoring device suitable for building structure anti-seismic node
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CN103243814B (en) * 2013-05-29 2015-06-03 吕西林 Function recoverable prefabricate column base node
JP2015140600A (en) * 2014-01-29 2015-08-03 株式会社ハウジング・ソリューションズ Residual deformation suppression structure of framework joining part
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