CN112878508A - Repairable assembly type reinforced concrete column-steel beam column joint and construction method thereof - Google Patents
Repairable assembly type reinforced concrete column-steel beam column joint and construction method thereof Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 213
- 239000010959 steel Substances 0.000 title claims abstract description 213
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 46
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000005265 energy consumption Methods 0.000 claims description 16
- 239000004567 concrete Substances 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 11
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000031877 prophase Effects 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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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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- Business, Economics & Management (AREA)
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Abstract
The invention discloses a repairable assembly type reinforced concrete column-steel beam column node and a construction method thereof. The method is suitable for the middle and high-intensity earthquake areas, and can realize quick restoration after the earthquake.
Description
Technical Field
The invention belongs to the technical field of civil engineering, and particularly relates to a repairable assembly type reinforced concrete column-steel beam column node suitable for a high-intensity earthquake area and a construction method thereof.
Background
In a reinforced concrete column-steel beam (RCS) structure, the RCS structure adopts a reinforced concrete column which has the advantages of high rigidity, corrosion resistance and the like, and the structural stability can be enhanced by utilizing the good compression performance of concrete; the RCS adopts the section steel beam, and the steel has the advantages of high strength and light weight, so that the size of a beam member can be effectively reduced, and the economical efficiency of the structure is improved; the RCS frame structure can fully and effectively utilize different advantages of two traditional building materials of steel and reinforced concrete, and has the advantages of assembly construction naturally.
Based on the advantages of the assembled RCS nodes, in the assembled RCS combined frame structure system, the reinforced concrete columns and the steel beam parts are all members which are mature in application in the aspects of actual engineering and academic research, however, in the existing assembled RCS structure, the steel beams usually do not extend out of the reinforced concrete columns, the connecting nodes are located on the cylindrical surfaces, corresponding to the steel beams, of the reinforced concrete columns, the connecting parts are weak links of the assembled structure system, and the stress performance and the anti-seismic performance of the whole assembled RCS frame structure are determined, so that the existing assembled RCS frame structure is mainly used in a multi-layer frame structure in a middle-low-intensity area. When the structure is damaged under the action of an earthquake, the plastic deformation and the energy consumption of the structure are mainly concentrated on the end part of the section steel beam, the residual displacement angle of the assembled RCS structure is large, and the repair is difficult.
Disclosure of Invention
In order to solve the problems of poor seismic performance and difficult repair of the existing assembled RCS beam-column joint, a repairable assembled reinforced concrete column-steel beam-column joint and a construction method thereof are provided, so that the joint is used for a medium-high-intensity earthquake area and can realize quick repair after an earthquake. The invention adopts the following technical scheme.
The repairable assembly type reinforced concrete column-steel beam column node comprises a reinforced concrete node column, wherein a vertical steel column and a transverse steel beam are arranged inside the reinforced concrete node column, the two ends of the transverse steel beam extend out of the column surface of the node column, the repairable assembly type reinforced concrete column-steel beam column node further comprises an energy consumption connecting piece, the extending end of the transverse steel beam is detachably connected with one end of the energy consumption connecting piece, and the other end of the energy consumption connecting piece is detachably connected with an external steel beam.
In order to improve the strength and the overall performance of the node column, a steel reinforcement cage made of steel reinforcements is arranged in the node column, the vertical steel columns are located in the steel reinforcement cage, and the transverse steel beams penetrate through the steel reinforcement cage.
For convenience of installation and disassembly, the vertical steel column, the transverse steel beam and the energy dissipation connecting piece are made of profile steel, the vertical steel column is welded with the transverse steel beam, a connecting steel plate is arranged at the extending end of the transverse steel beam, the two ends of the energy dissipation connecting piece are respectively provided with the connecting steel plate, each connecting steel plate is provided with a corresponding through hole, and the transverse steel beam and the energy dissipation connecting piece are fixedly connected by inserting bolts into the corresponding through holes and using matched nuts. Therefore, when the energy-consuming connecting piece is damaged due to an earthquake, the energy-consuming connecting piece can be conveniently replaced.
In order to improve the strength and the overall performance of the node column, the concrete of the node column is fiber concrete and is encrypted by stirrups.
In order to meet the overall performance and the shear-resistant bearing capacity of the beam-column joint, in the vertical direction, the height of the vertical steel column is more than 3 times of the height of the transverse steel beam, the length of the steel beam section of the transverse steel beam, which is positioned outside the joint column, is more than 0.5 times and less than 1.5 times of the height of the transverse steel beam, and the length of the energy-consuming connecting piece is more than 1 time and less than 1.5 times of the height of the transverse steel beam. After the arrangement, the energy-consuming connecting piece can form a plastic hinge, so that the deformation and energy consumption of the structure are concentrated, and the energy-consuming connecting piece can have sufficient plastic deformation capacity.
In order to protect the node columns and the steel beams after the energy-consuming connecting piece is damaged before the node columns and the steel beams are damaged after a high-intensity earthquake, the energy-consuming connecting piece is made of I-shaped steel with a web plate and flange plates, two side edges of the web plate are inwards concave to form an arc shape respectively, the flange plates are matched with the inwards concave web plate in an arc shape, the web plate and the flange plates are welded, the yield strength of the energy-consuming connecting piece is lower than that of a transverse steel beam, and the ductility of the energy-consuming connecting piece is. Therefore, after a high-intensity earthquake occurs, energy consumption and plastic deformation are mainly concentrated on the energy consumption connecting piece, and the node column and the steel beam basically keep elasticity or are slightly damaged, so that the protection effect is realized.
In order to further protect the node column and the steel beam, the bending moment bearing capacity of the energy-consuming connecting piece is 0.6-0.8 time of that of the transverse steel beam.
In order to improve the firmness of the transverse steel beam, the transverse steel beam is an I-shaped steel, and a rib plate is arranged on the I-shaped steel, and the bending moment bearing capacity of the rib plate is greater than that of the transverse steel beam.
The invention also provides a construction method of the repairable assembly type reinforced concrete column-steel beam column node, which comprises the following steps:
step one, manufacturing the node column and the energy-consuming connecting piece, and preparing an external steel beam detachably connected with one end of the energy-consuming connecting piece;
step two, pouring and connecting common concrete columns at the vertical two ends of the node columns to manufacture prefabricated reinforced concrete columns;
pouring the vertical lower end of the prefabricated reinforced concrete column on a cast-in-place foundation, and checking the verticality of the prefabricated reinforced concrete column through a horizontal laser instrument;
hoisting the energy-consuming connecting piece and the external steel beam, wherein one end of the energy-consuming connecting piece is detachably connected with the extending end of the transverse steel beam of the node column, the other end of the energy-consuming connecting piece is detachably connected with one end of the external steel beam, and meanwhile, the other end of the external steel beam is detachably connected with one end of another installed energy-consuming connecting piece;
and step five, when the energy-consuming connecting piece is damaged, the energy-consuming connecting piece is disassembled, and the step three is repeated to realize quick repair.
For convenience of construction and mounting and dismounting, the transverse steel beam, the energy-consuming connecting piece and the external steel beam are made of profile steel, connecting steel plates are arranged at the extending end of the transverse steel beam, the two ends of the energy-consuming connecting piece and the two ends of the external steel beam respectively, corresponding through holes are formed in the connecting steel plates, the transverse steel beam and the energy-consuming connecting piece are fixedly connected by inserting bolts into the corresponding through holes and using matched nuts, and the external steel beam and the energy-consuming connecting piece are fixedly connected by inserting bolts into the corresponding through holes and using matched nuts.
Has the advantages that: according to the invention, the situation that the transverse steel beam does not extend out of the cylindrical surface of the reinforced concrete column in the existing RCS beam column is changed into the situation that the transverse steel beam extends out of the cylindrical surface of the reinforced concrete column, and the energy-consuming connecting piece is added to connect the transverse steel beam and the external steel beam, so that the installation of the external steel beam avoids the weak link of the RCS beam column, the anti-seismic performance is improved, and the method is suitable for high-intensity seismic areas; meanwhile, the yield strength of the energy-consuming connecting piece is lower than that of the transverse steel beam, the ductility of the energy-consuming connecting piece is higher than that of the transverse steel beam, the energy-consuming connecting piece is detachable, under the action of an earthquake, energy consumption, damage, deformation and the like of the structure are basically concentrated at the energy-consuming connecting piece, the node column and the steel beam basically keep elasticity or small damage, and the assembled RCS frame structure can be quickly repaired by replacing the energy-consuming connecting piece after the earthquake.
Drawings
FIG. 1 is an elevation view of a repairable reinforced concrete column-steel beam column joint;
FIG. 2 is a front view of a concrete column after the repairable reinforced concrete column-steel beam column joint is installed;
FIG. 3 is a front view of a node post;
FIG. 4 is a side view of a node post;
FIG. 5 is a front view of an energy dissipating connector;
FIG. 6 is a load-displacement graph of a repairable reinforced concrete column-steel beam column node;
wherein: 1. a node post; 2. a vertical steel column; 3. a transverse steel beam; 4. fiber concrete; 5. an energy-consuming connector; 6. an outer steel beam; 7. a bolt; 8. bolt holes; 9. connecting steel plates; 91. a first connecting steel plate; 92. a second connecting steel plate; 93. a third connecting steel plate; 94. a fourth connecting steel plate; 10. a rib plate; 11. a first web; 12. a second web; 13. a flange plate; 14. a common concrete column.
Detailed Description
The technical solution of the present invention is described in detail by the following examples, but the scope of the present invention is not limited to the examples.
Examples
As shown in fig. 1-5, a repairable assembly type reinforced concrete column-steel beam (RCS) beam column node suitable for a high-intensity earthquake area comprises a node column 1 and energy dissipation connecting pieces 5 connected through connecting steel plates 9; the concrete of the node column 1 is fiber concrete 4 and is encrypted by stirrups; node post 1 embeds has steel reinforcement cage (not shown) of being made by the reinforcing bar, still is provided with a vertical steel column 2 and a horizontal girder steel 3 that has first web 11, vertical steel column 2 is the I-steel with horizontal girder steel 3, vertical steel column 2 passes horizontal girder steel 3 and welded connection, wherein vertical steel column 2 is located the steel reinforcement cage, horizontal girder steel 3 passes the steel reinforcement cage to stretch out node post 1's surface, the tip welding that stretches out the end at horizontal girder steel 3 has first connecting plate 91. In other embodiments, the transverse steel beam 3 may be multiple. The upper end and the lower end of the node column 1 can be connected with a common concrete column 14 to form a prefabricated reinforced concrete column.
The energy dissipation connecting piece 5 is a weakened I-shaped steel with a second web plate 12 and a flange plate 13, namely, two side edges of the second web plate 12 are inwards concave to form an arc shape respectively, the flange plate 13 is in an arc shape and matched with the second web plate 12, the second web plate 12 and the flange plate 13 are welded, and the related requirements of the existing industry standard 'energy dissipation and shock absorption for buildings' JGJ 297 are required to be met. And a second connecting steel plate 92 and a third connecting steel plate 93 are welded at two ends of the energy consumption connecting piece 5 respectively.
The first connecting steel plate 91, the second connecting steel plate 92 and the third connecting steel plate 93 are all provided with corresponding bolt holes 8; the energy-consuming connecting pieces 5 and the transverse steel beams 3 are connected in a fastening mode through inserting high-strength bolts 7 into bolt holes 8 of the second connecting steel plates 92 and the first connecting steel plates 91 and using matched nuts, and the number of the energy-consuming connecting pieces 5 is the same as that of the extending ends of the transverse steel beams 3.
The third connecting steel plate 93 is used for installing the external steel beam 6, the external steel beam 6 and the transverse steel beam 3 are made of the same material and are also made of I-shaped steel, the two ends of the external steel beam 6 are respectively welded with the connecting steel plates, bolt holes 8 are also formed in the connecting steel plates, one of the connecting steel plates is a fourth connecting steel plate 94, and the bolt holes 8 in the fourth connecting steel plate 94 correspond to the bolt holes 8 in the third connecting steel plate 93. The energy-consuming connecting piece 5 and the external steel beam 6 are fastened and connected by inserting high-strength bolts 7 into bolt holes 8 of the third connecting steel plate 93 and the fourth connecting steel plate 94 and using matched nuts. The design of each connecting steel plate needs to meet the relevant regulations of the existing 'design standard for steel structures' GB 50017, and the strength is more than 345 MPa.
In the vertical direction, the height of the vertical steel column 2H CS Is the height of the transverse steel beam 3H B More than 3 times, the length of the steel beam section of the transverse steel beam 3 outside the node column 1L B1 Is the height of the transverse steel beam 3H B Less than 0.5 times and less than 1.5 times of the length of the energy-consuming connecting piece 5L ED Is the height of the transverse steel beam 3H B 1 to 1.5 times of the total amount of the active ingredient; the bending moment bearing capacity of the energy consumption connecting piece 5 is 0.6-0.8 time of that of the transverse steel beam 3.
The transverse steel beam 3 is welded with a ribbed plate 10, and the bending moment bearing capacity of the ribbed plate is greater than that of the transverse steel beam 3.
The bending moment bearing capacity of a typical repairable fabricated RCS beam-column node is shown in FIG. 6, the stiffness of the prophase secant line is smaller than that of a common RCS beam-column node, but the ultimate bearing capacity is substantially equal to that of the common RCS beam-column node, and the designed control unit is an energy-consuming connecting piece 5.
The invention also provides a construction method of the repairable assembly type reinforced concrete column-steel beam (RCS) beam column joint suitable for the high-intensity earthquake area, which takes the figure 2 as an example and comprises the following steps.
The method comprises the following steps: firstly, a node column 1 and an energy-consuming connecting piece 5 are manufactured, an external steel beam 6 is prepared, connecting steel plates with corresponding bolt holes 8 are respectively welded at two extending ends of a transverse steel beam 3 of the node column 1, two ends of the energy-consuming connecting piece 5 and two ends of the external steel beam 6, and the processing precision of the transverse steel beam 3, the energy-consuming connecting piece 5 and the external steel beam 6 needs to meet the requirements of the existing regulations and assembly construction.
Step two: and (3) casting and connecting common concrete columns 14 at the vertical two ends of the node column 1 to manufacture the prefabricated reinforced concrete column.
Step three: and pouring the vertical lower end of the prefabricated reinforced concrete column on the cast-in-place foundation, and checking the verticality of the prefabricated reinforced concrete column through a horizontal laser instrument. When pouring, the vertical lower end of the prefabricated reinforced concrete column is connected with the steel bar extending out of the cast-in-place foundation through the grouting sleeve, and then concrete is poured.
Step four: after the performance of the prefabricated reinforced concrete column-foundation connection joint poured in the third step meets the subsequent construction requirements, hoisting the energy-consuming connecting piece 5 and the external steel beam 6, inserting the high-strength bolt 7 into the bolt hole 8 for connecting the second connecting steel plate 92 of the energy-consuming connecting piece 5 and the first connecting steel plate 91 at the extending end of the transverse steel beam 3 of the joint column 1 in a fastening manner by using a matched nut; inserting the high-strength bolt 7 into the bolt hole 8 and fastening and connecting the third connecting steel plate 93 at the other end of the energy-consuming connecting piece 5 and the fourth connecting steel plate 94 of the external steel beam 6 by using a matched nut; meanwhile, the other end of the external steel beam 6 is connected with the steel plate and one end of the other energy-consuming connecting piece in a fastening mode in the same mode, and therefore assembly construction is completed.
Step five: when the assembled RCS frame structure is damaged under the action of an earthquake, energy consumption and plastic deformation are mainly concentrated on the energy consumption connecting piece 5, the energy consumption connecting piece 5 is disassembled by loosening the nut and taking out the bolt 7, and then the step three is repeated to finish the quick repair of the assembled RCS frame structure.
The above-mentioned i-section steel may be replaced with, for example, square steel, etc., and other techniques not specifically mentioned refer to the prior art.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The repairable assembly type reinforced concrete column-steel beam column node is characterized by comprising a reinforced concrete node column, an energy consumption connecting piece and a connecting piece, wherein a vertical steel column and a transverse steel beam are arranged inside the reinforced concrete node column, the cylindrical surface of the node column extends out of two ends of the transverse steel beam, the extending end of the transverse steel beam is detachably connected with one end of the energy consumption connecting piece, and the other end of the energy consumption connecting piece is detachably connected with an external steel beam.
2. The repairable assembly type reinforced concrete column-steel beam column node as claimed in claim 1, wherein the node column has therein a reinforcement cage made of steel reinforcement, the vertical steel columns are located inside the reinforcement cage, and the transverse steel beams pass through the reinforcement cage.
3. The repairable assembly type reinforced concrete column-steel beam column joint as claimed in claim 2, wherein the vertical steel columns, the transverse steel beams and the energy dissipation connecting members are all made of steel sections, the vertical steel columns are welded with the transverse steel beams, the extending ends of the transverse steel beams are provided with connecting steel plates, the two ends of the energy dissipation connecting members are also provided with connecting steel plates respectively, each connecting steel plate is provided with a corresponding through hole, and the transverse steel beams and the energy dissipation connecting members are fixedly connected by inserting bolts into the corresponding through holes and using matched nuts.
4. The repairable assembled reinforced concrete column-steel beam column node as claimed in claim 3, wherein the concrete of the node column is fiber concrete and is reinforced by stirrups.
5. The repairable assembly type reinforced concrete column-steel beam column node as claimed in claim 4, wherein the height of the vertical steel column is more than 3 times of the height of the transverse steel beam in the vertical direction, the length of the steel beam section of the transverse steel beam outside the node column is more than 0.5 times and less than 1.5 times of the height of the transverse steel beam, and the length of the energy dissipation connecting member is more than 1 time and less than 1.5 times of the height of the transverse steel beam.
6. The repairable assembly type reinforced concrete column-steel beam column node as claimed in claim 5, wherein the energy dissipating connecting member is an I-beam having a web and flange plates, both side edges of the web are respectively inwardly concave in an arc shape, the flange plates are in an arc shape to be matched with the inwardly concave web, the web and the flange plates are welded, the yield strength of the energy dissipating connecting member is lower than that of the transverse steel beam, and the ductility is higher than that of the transverse steel beam.
7. The repairable assembly type reinforced concrete column-steel beam column node as claimed in claim 6, wherein the bending moment bearing capacity of the energy dissipating connection member is 0.6-0.8 times that of the transverse steel beam.
8. The repairable assembly type reinforced concrete column-steel beam column joint as claimed in claim 7, wherein the transverse steel beam is an i-steel, and a rib plate is provided on the i-steel, and the bending moment bearing capacity of the rib plate is greater than that of the transverse steel beam.
9. The repairable assembly type reinforced concrete column-steel beam column node construction method as claimed in any one of claims 1 to 8, comprising:
step one, manufacturing the node column and the energy-consuming connecting piece, and preparing an external steel beam detachably connected with one end of the energy-consuming connecting piece;
step two, pouring and connecting common concrete columns at the vertical two ends of the node columns to manufacture prefabricated reinforced concrete columns;
pouring the vertical lower end of the prefabricated reinforced concrete column on a cast-in-place foundation, and checking the verticality of the prefabricated reinforced concrete column through a horizontal laser instrument;
hoisting the energy-consuming connecting piece and the external steel beam, wherein one end of the energy-consuming connecting piece is detachably connected with the extending end of the transverse steel beam of the node column, the other end of the energy-consuming connecting piece is detachably connected with one end of the external steel beam, and meanwhile, the other end of the external steel beam is detachably connected with one end of another installed energy-consuming connecting piece;
and step five, when the energy-consuming connecting piece is damaged, the energy-consuming connecting piece is disassembled, and the step three is repeated to realize quick repair.
10. The construction method according to claim 9, wherein the transverse steel beams, the energy-consuming connecting members and the external steel beams are all profile steels, connecting steel plates are respectively arranged at the extending ends of the transverse steel beams, the two ends of the energy-consuming connecting members and the two ends of the external steel beams, corresponding through holes are respectively formed in the connecting steel plates, the transverse steel beams and the energy-consuming connecting members are fixedly connected by inserting bolts into the corresponding through holes and using matched nuts, and the external steel beams and the energy-consuming connecting members are fixedly connected by inserting bolts into the corresponding through holes and using matched nuts.
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| CN202110076998.3A CN112878508A (en) | 2021-01-20 | 2021-01-20 | Repairable assembly type reinforced concrete column-steel beam column joint and construction method thereof |
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| CN202110076998.3A CN112878508A (en) | 2021-01-20 | 2021-01-20 | Repairable assembly type reinforced concrete column-steel beam column joint and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323488A (en) * | 2021-06-04 | 2021-08-31 | 重庆大学 | Steel pipe concrete beam column connecting joint capable of being replaced after earthquake |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258800A (en) * | 2019-06-05 | 2019-09-20 | 南昌大学 | A kind of full assembled recoverable function RCS combined joint of band support connection |
| CN110359554A (en) * | 2019-07-31 | 2019-10-22 | 西安建筑科技大学 | A kind of assembling frame Structure Beam-column energy consumption connecting key |
-
2021
- 2021-01-20 CN CN202110076998.3A patent/CN112878508A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258800A (en) * | 2019-06-05 | 2019-09-20 | 南昌大学 | A kind of full assembled recoverable function RCS combined joint of band support connection |
| CN110359554A (en) * | 2019-07-31 | 2019-10-22 | 西安建筑科技大学 | A kind of assembling frame Structure Beam-column energy consumption connecting key |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323488A (en) * | 2021-06-04 | 2021-08-31 | 重庆大学 | Steel pipe concrete beam column connecting joint capable of being replaced after earthquake |
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