CN112709372A - Assembled reinforced concrete column unit of dry-type connection - Google Patents
Assembled reinforced concrete column unit of dry-type connection Download PDFInfo
- Publication number
- CN112709372A CN112709372A CN202011641444.5A CN202011641444A CN112709372A CN 112709372 A CN112709372 A CN 112709372A CN 202011641444 A CN202011641444 A CN 202011641444A CN 112709372 A CN112709372 A CN 112709372A
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- connecting plate
- node
- concrete column
- column unit
- 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
Classifications
-
- 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
-
- 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
-
- 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
- E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
Abstract
The invention discloses a dry-type connected assembly type reinforced concrete column unit, wherein overhanging longitudinal ribs at the upper end and the lower end of the assembly type reinforced concrete column unit can be connected with connecting devices through mounting holes of column connecting plates, and the connecting devices at the upper end and the lower end of the assembly type reinforced concrete column unit can be connected with vertical longitudinal ribs of nodes at the upper end and the lower end through mounting holes of node connecting plates, so that the assembly type reinforced concrete column unit and the nodes are vertically connected into a whole through a dry method.
Description
Technical Field
The invention belongs to the field of assembly type buildings, and particularly relates to a dry-type connected assembly type reinforced concrete column unit.
Background
The connection mode along the building height direction in the existing prefabricated building field mainly comprises a grouting sleeve connection technology, a preformed hole slurry anchor lap joint connection technology and a cast-in-place belt connection mode. The grouting sleeve connection is one of more applications and mature construction technology in actual engineering, but the problems of difficult field butt joint, difficult guarantee of grouting quality in the sleeve and difficult later quality inspection still exist; in addition, the sleeve diameter is great, and in order to guarantee the position of the interior longitudinal reinforcement of reinforced concrete column, the concrete protective layer thickness outside the sleeve reduces relatively, probably influences the long-term durability performance of structure. Therefore, there is a need for a dry-joined fabricated reinforced concrete column unit that is easy to connect, reliable in stress, and easy to later test.
Disclosure of Invention
The invention aims to solve the problems of difficult quality detection and low installation efficiency of grouting sleeve connection in the existing assembly type reinforced concrete column.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an overhanging vertical muscle at both ends can be connected with connecting device through the mounting hole of post connecting plate about the assembled reinforced concrete post unit for dry-type connection becomes an organic whole between assembled reinforced concrete post unit and the node through the vertical muscle of indulging of both ends node about the assembled reinforced concrete post unit upper and lower both ends connecting device can be connected through the mounting hole of node connecting plate.
Further, connecting device includes node connecting plate, post connecting plate and steel core concrete short column, and the vertical muscle that the node connecting plate set up the node can pass through and the mounting hole rather than being connected, and the post connecting plate sets up the mounting hole that the vertical muscle of assembled reinforced concrete post unit can pass through and rather than being connected, and steel core concrete short column is with node connecting plate and post connecting plate fixed connection.
Further, the concrete filled steel tube stub may be replaced by: steel pipes, i-steel, steel reinforced concrete or other elements capable of fixedly connecting the joint webs and the column webs, preferably by welding, and at least capable of being in tension and compression.
Furthermore, the overhanging longitudinal ribs of the reinforced concrete column unit are fixedly connected with the column connecting plate through welding or nuts.
Furthermore, the vertical longitudinal ribs of the nodes are fixedly connected with the node connecting plates through welding or nuts.
Furthermore, the steel pipe concrete short column is geometrically centered and connected with the node connecting plate or the column connecting plate through a welding seam by one end of the hollow steel pipe, then concrete is poured, a port is ground flat or high-strength cement mortar is filled after the concrete is cured, and the column connecting plate or the node connecting plate is geometrically centered and connected with the steel pipe through the welding seam.
Further, when installing this connecting device, the vertical muscle of indulging of node and the overhanging length of the muscle tip of indulging of reinforced concrete post must satisfy the requirement of welding or being connected with the nut.
Further, the node connecting plates or the column connecting plates are rectangular, circular or special-shaped. The shape of the node connecting plates and the column connecting plates may be different.
Further, the cross section of the concrete filled steel tube short column is rectangular, circular or irregular.
Further, the concrete filled steel tube short column is a single cavity body, or a plurality of cavities formed by steel plates in an isolation mode.
Furthermore, the vertical longitudinal ribs of the nodes expand the sectional areas of the end parts of the longitudinal ribs through cold heading, and are threaded to form threads, and the bottom diameter of the threads is not smaller than the diameter of the original longitudinal ribs; the longitudinal bar of the reinforced concrete column expands the sectional area of the end part of the longitudinal bar through cold heading, and is threaded into threads, and the diameter of the bottom of the threads is not smaller than the diameter of the original longitudinal bar.
Furthermore, the node connecting plate of the upper end connecting device is matched with the bottom surface of the node through a seat slurry layer or a gasket, the node connecting plate of the lower end connecting device is matched with the top surface of the node or a prefabricated floor slab unit arranged on the top surface of the node through the seat slurry layer or the gasket, and the column connecting plate is matched with the top surface or the bottom surface of the assembled reinforced concrete column unit through the seat slurry layer or the gasket.
Furthermore, the node connecting plate of the upper end connecting device is matched with the bottom surface of the node through the base slurry layer or the gasket, and the node connecting plate of the lower end connecting device is matched with the top surface of the node or the prefabricated floor slab unit arranged on the top surface of the node through the base slurry layer or the gasket.
Further, the steel pipe concrete short column is connected with the node connecting plate and the column connecting plate through welding seams.
Furthermore, the strength of the welding seams between the joint connecting plates and the column connecting plates and the steel pipes is greater than that of the base metal.
Furthermore, the arrangement mode and the number of the vertical longitudinal ribs of the node can be different from those of the longitudinal ribs of the reinforced concrete column unit. The tensile bearing capacity of the steel pipe concrete short column is smaller than that of the vertical longitudinal bar of the node and larger than that of the outward extending longitudinal bar of the assembled reinforced concrete column unit.
And furthermore, stiffening ribs are arranged between the steel pipes of the concrete-filled steel pipe short columns and the node connecting plates or the column connecting plates.
Description of the drawings: the invention relates to a node which is an assembly type reinforced concrete node.
Compared with the existing assembling technology of the reinforced concrete column, the technical scheme of the invention has the following beneficial effects:
1. the invention uses the concrete filled steel tube short column for the connection between the assembled reinforced concrete column unit and the node, provides reliable vertical connection between the assembled reinforced concrete column unit and the node, and avoids the defects caused by using a grouting sleeve connection technology, a reserved hole slurry anchor lap joint technology and a cast-in-place belt connection mode. Meanwhile, the good tensile and compressive properties of the steel pipe concrete short column can be fully exerted, and the structural bearing capacity of the fabricated building is improved.
2. According to the invention, the problem of difficult quality detection in the existing sleeve grouting connection mode is solved, and the vertical longitudinal ribs of the nodes are fixedly connected with the node connection plates through welding or nuts, and the longitudinal ribs of the reinforced concrete column units are fixedly connected with the column connection plates through welding or nuts, so that the reliable connection of the steel bars is ensured, the detection efficiency is improved, and the detection difficulty is reduced.
3. The invention ensures that the stress path of the structure is simple and clear and realizes dry connection. Therefore, the construction in winter can be realized without considering the environmental temperature during the structural construction, and compared with the grouting sleeve connection depending on the environmental temperature, the construction period of the integral assembly type building structure is greatly shortened.
Drawings
The invention can be further illustrated by the non-limiting embodiments presented in the figures of the accompanying drawings:
FIG. 1 is an isometric view of an assembled reinforced concrete column unit of rectangular cross section in an embodiment of the present invention;
FIG. 2 is an isometric view of a circular cross-section fabricated reinforced concrete column unit in an embodiment of the present invention;
FIG. 3 is an isometric view of a rectangular section connection device in an embodiment of the invention;
FIG. 4 is an isometric view of a circular cross-section connection device in an embodiment of the present invention;
FIG. 5 is an isometric view of a node in an embodiment of the invention (condition 1);
FIG. 6 is an isometric view of a node in an embodiment of the invention (condition 2);
FIG. 7 is a schematic combination diagram of a fabricated building according to an embodiment of the present invention (condition 1);
fig. 8 is a schematic combination diagram (condition 2) of the prefabricated building in the embodiment of the present invention.
In the figure:
1-a connecting device; 2-node connecting plates; 3-column connection plate; 4-a steel pipe concrete short column; 5-mounting holes; 6-welding seams; 7-reinforced concrete column unit; 8-overhanging longitudinal bars of the reinforced concrete column unit; 9-node; 10-vertical longitudinal ribs; 11-beam element connection end; 12-transverse longitudinal ribs.
Detailed Description
In order that those skilled in the art may better understand the present invention, the following detailed description of the invention is provided in conjunction with the accompanying drawings.
Embodiment mode 1:
the overhanging longitudinal ribs 8 at the upper end and the lower end of the prefabricated reinforced concrete column unit 7 can be connected with a connecting device 1 through mounting holes 5 of column connecting plates 3 (shown in figures 1 and 2), and the connecting devices 1 at the upper end and the lower end of the prefabricated reinforced concrete column unit 7 can be connected with vertical longitudinal ribs 10 of nodes 9 at the upper end and the lower end through mounting holes 5 of the node connecting plates 2 (shown in figures 3 to 6), so that the prefabricated reinforced concrete column unit 7 and the nodes 9 are vertically connected into a whole through a dry method (shown in figures 7 and 8).
Further, connecting device 1 includes node connecting plate 2, post connecting plate 3 and steel pipe concrete short column 4, and node connecting plate 2 sets up the vertical muscle 10 of node 9 can pass through and be connected mounting hole 5 with it, and post connecting plate 3 sets up overhanging vertical muscle 8 of assembled reinforced concrete post unit 7 can pass through and be connected mounting hole 5 with it, and steel pipe concrete short column 4 is with node connecting plate 2 and post connecting plate 3 fixed connection.
Further, the overhanging longitudinal rib 8 of the reinforced concrete column unit 7 is fixedly connected with the column connecting plate 3 through welding or nuts.
Further, the vertical longitudinal ribs 10 of the nodes are fixedly connected with the node connecting plates 2 through welding or nuts.
Further, the node connecting plate 2 is matched with the node 9 through a seat grout layer or a gasket, and the column connecting plate 3 is matched with the assembly type reinforced concrete column unit 7 through the seat grout layer or the gasket.
Embodiment mode 2:
the overhanging longitudinal ribs 8 at the upper end and the lower end of the prefabricated reinforced concrete column unit 7 can be connected with a connecting device 1 through mounting holes 5 of column connecting plates 3 (shown in figures 1 and 2), and the connecting devices 1 at the upper end and the lower end of the prefabricated reinforced concrete column unit 7 can be connected with vertical longitudinal ribs 10 of nodes 9 at the upper end and the lower end through mounting holes 5 of the node connecting plates 2 (shown in figures 3 to 6), so that the prefabricated reinforced concrete column unit 7 and the nodes 9 are vertically connected into a whole through a dry method (shown in figures 7 and 8).
Further, the steel pipe concrete short column 4 is geometrically centered with the node connecting plate 2 or the column connecting plate 3 by one end of the hollow steel pipe and is connected through the welding seam 6, then concrete is poured, a port is ground flat or high-strength cement mortar is filled after the concrete is cured, and the column connecting plate 3 or the node connecting plate 2 is geometrically centered with the steel pipe and is connected through the welding seam 6.
Further, when the connecting device 1 is installed, the vertical longitudinal ribs 10 of the nodes 9 and the overhanging longitudinal ribs 8 of the reinforced concrete column 7 have to meet the requirement of welding or connection with nuts in the overhanging length.
Embodiment mode 3:
the overhanging longitudinal ribs 8 at the upper end and the lower end of the prefabricated reinforced concrete column unit 7 can be connected with a connecting device 1 through mounting holes 5 of column connecting plates 3 (shown in figures 1 and 2), and the connecting devices 1 at the upper end and the lower end of the prefabricated reinforced concrete column unit 7 can be connected with vertical longitudinal ribs 10 of nodes 9 at the upper end and the lower end through mounting holes 5 of the node connecting plates 2 (shown in figures 3 to 6), so that the prefabricated reinforced concrete column unit 7 and the nodes 9 are vertically connected into a whole through a dry method (shown in figures 7 and 8).
Further, the node connecting plates 2 and the column connecting plates 3 are rectangular, circular or irregular.
Further, the cross section of the concrete filled steel tube stub 4 is rectangular, circular or irregular.
Further, the concrete filled steel tube short column 4 is a single cavity, or a plurality of cavities formed by steel plates in an isolation mode.
Further, the vertical longitudinal ribs 10 of the nodes 9 are cold-headed to enlarge the sectional areas of the end parts of the longitudinal ribs, and are threaded to form threads, and the bottom diameters of the threads are not smaller than the diameters of the original longitudinal ribs; the overhanging longitudinal rib 8 of the reinforced concrete column unit expands the sectional area of the end part of the longitudinal rib through cold heading, and is threaded and processed into threads, and the diameter of the bottom of each thread is not smaller than the diameter of the original longitudinal rib.
Further, the concrete filled steel tube short column 4 is connected with the node connecting plate 2 and the column connecting plate 3 through welding seams (as shown in fig. 3 and 4).
Furthermore, the strength of the welding seam 6 between the node connecting plate 2 and the column connecting plate 3 and the steel pipe is greater than that of the base metal.
Further, the tensile bearing capacity of the steel pipe concrete short column 4 is smaller than that of the node vertical longitudinal bar 10 and larger than that of the overhanging longitudinal bar 8 of the assembled reinforced concrete column unit.
Furthermore, a stiffening rib is arranged between the steel pipe of the steel pipe concrete short column 4 and the node connecting plate 2 or the column connecting plate 3.
Further, the node connecting plate 2 of the upper end connecting device 1 of the assembly type reinforced concrete column unit 7 is matched with the bottom surface of the node 9 through a seat grout layer or a gasket, the node connecting plate 2 of the lower end connecting device 1 is matched with the top surface of the node 9 or a prefabricated floor slab unit installed on the top surface of the node 9 through a seat grout layer or a gasket, and the column connecting plate 3 is matched with the top surface or the bottom surface of the assembly type reinforced concrete column unit 7 through a seat grout layer or a gasket.
Further, the beam unit connection end 11 and the transverse longitudinal bar 12 are connected with the reinforced concrete beam unit through a transverse connection device.
Description of the drawings: to simplify the drawing, the stirrups in the reinforced concrete column unit are not represented by the reinforcing bars, and the stirrups of the vertical longitudinal bars and the horizontal longitudinal bars in the assembled reinforced concrete beam column node are not represented by the reinforcing bars.
Claims (10)
1. The utility model provides an assembled reinforced concrete column unit of dry-type connection which characterized in that: the vertical longitudinal ribs at the nodes at the upper end and the lower end can be connected into a whole through the dry type connection between the assembled reinforced concrete column unit and the nodes.
2. A dry-connect assembled reinforced concrete column unit as claimed in claim 1, wherein: the connecting device comprises a node connecting plate, a column connecting plate and a concrete filled steel tube short column, wherein the node connecting plate is provided with a vertical longitudinal rib of a node and can pass through and be connected with a mounting hole, the column connecting plate is provided with a longitudinal rib of an assembly type reinforced concrete column unit and can pass through and be connected with the mounting hole, and the concrete filled steel tube short column is fixedly connected with the node connecting plate and the column connecting plate.
3. A dry-connect assembled reinforced concrete column unit as claimed in claim 1, wherein: the overhanging longitudinal rib of reinforced concrete column unit is through welding or nut and post connecting plate fixed connection, and the vertical longitudinal rib of node is through welding or nut and node connecting plate fixed connection.
4. A dry-connected fabricated reinforced concrete column unit as claimed in claim 2, wherein: the tensile bearing capacity of the steel pipe concrete short column is smaller than that of the vertical longitudinal bar of the node and larger than that of the outward extending longitudinal bar of the assembled reinforced concrete column unit.
5. A dry-connected fabricated reinforced concrete column unit as claimed in claim 1 or 4, wherein: when installing this connecting device, the vertical muscle of indulging of node and the overhanging length of the muscle tip of indulging of reinforced concrete post must satisfy the requirement of welding or being connected with the nut.
6. A dry-connect assembled reinforced concrete column unit as claimed in claim 1, wherein: the node connecting plate or the column connecting plate is rectangular, circular or special-shaped.
7. A dry-connected fabricated reinforced concrete column unit as claimed in claim 2, wherein: the cross section of the concrete filled steel tube short column is rectangular, circular or special-shaped.
8. A dry-connect assembled reinforced concrete column unit as claimed in claim 1, wherein: the vertical longitudinal ribs of the overhanging longitudinal ribs and the joints of the reinforced concrete column expand the sectional area of the end part through cold heading, and are screwed into threads, and the diameter of the bottom of the threads is not less than the diameter of the original longitudinal ribs.
9. A dry-connect assembled reinforced concrete column unit as claimed in claim 1, wherein: the joint connecting plate of the upper end connecting device is matched with the bottom surface of the joint through a seat slurry layer or a gasket, the joint connecting plate of the lower end connecting device is matched with the top surface of the joint or a prefabricated floor slab unit arranged on the top surface of the joint through the seat slurry layer or the gasket, and the column connecting plate is matched with the top surface or the bottom surface of the assembled reinforced concrete column unit through the seat slurry layer or the gasket.
10. A dry-connected fabricated reinforced concrete column unit as claimed in claim 2, wherein: the steel pipe concrete short column is connected with the node connecting plate and the column connecting plate through welding seams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641444.5A CN112709372A (en) | 2020-12-31 | 2020-12-31 | Assembled reinforced concrete column unit of dry-type connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011641444.5A CN112709372A (en) | 2020-12-31 | 2020-12-31 | Assembled reinforced concrete column unit of dry-type connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112709372A true CN112709372A (en) | 2021-04-27 |
Family
ID=75548038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011641444.5A Pending CN112709372A (en) | 2020-12-31 | 2020-12-31 | Assembled reinforced concrete column unit of dry-type connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112709372A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381926A (en) * | 2016-10-28 | 2017-02-08 | 湖南大学 | Detachable assembly type splicing node for reinforced concrete columns |
| CN110258783A (en) * | 2019-07-02 | 2019-09-20 | 广东工业大学 | A kind of assembly concrete frame joint |
| CN111364679A (en) * | 2020-04-16 | 2020-07-03 | 浙江大学建筑设计研究院有限公司 | Assembled reinforced concrete structure post and connected node |
| CN211774635U (en) * | 2020-02-21 | 2020-10-27 | 北京矿冶科技集团有限公司 | Assembly and splicing structure for reverse bending points between precast concrete columns |
-
2020
- 2020-12-31 CN CN202011641444.5A patent/CN112709372A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381926A (en) * | 2016-10-28 | 2017-02-08 | 湖南大学 | Detachable assembly type splicing node for reinforced concrete columns |
| CN110258783A (en) * | 2019-07-02 | 2019-09-20 | 广东工业大学 | A kind of assembly concrete frame joint |
| CN211774635U (en) * | 2020-02-21 | 2020-10-27 | 北京矿冶科技集团有限公司 | Assembly and splicing structure for reverse bending points between precast concrete columns |
| CN111364679A (en) * | 2020-04-16 | 2020-07-03 | 浙江大学建筑设计研究院有限公司 | Assembled reinforced concrete structure post and connected node |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200102751A1 (en) | Precast column base joint and construction method therefor | |
| CN107060140B (en) | Prefabricated double-steel-tube concrete shear wall and assembling method thereof | |
| CN208533868U (en) | A kind of novel arrangement of reinforcement hollow steel pipe high-strength concrete column | |
| CN110593486A (en) | Assembled concrete column node connection structure | |
| CN111851737A (en) | Assembled concrete frame beam column trunk type connecting joint | |
| CN112609822A (en) | Assembled reinforced concrete beam column node | |
| CN108729541B (en) | Connect beam type Building block construction method | |
| CN214657706U (en) | Connecting device between assembled reinforced concrete column unit and node | |
| CN112709372A (en) | Assembled reinforced concrete column unit of dry-type connection | |
| CN216041287U (en) | Assembled spiral anchor foundation | |
| CN112647589A (en) | Connecting device between assembled reinforced concrete column unit and node | |
| CN212336419U (en) | Assembled composite wall based on steel pipe | |
| CN108678164A (en) | Connect beam type Building block structure | |
| CN112832385A (en) | Round steel tube concrete longitudinal connecting device of assembled shear wall | |
| CN112709349A (en) | Assembled shear force wall of longitudinal tie bar in both sides of circular steel tube concrete | |
| CN210238860U (en) | Horizontal splicing joint connecting device for upper and lower prefabricated shear walls | |
| CN114263093A (en) | Fully-prefabricated assembled bridge and construction method | |
| CN111749366A (en) | Steel pipe-based fabricated composite wall and construction method thereof | |
| CN214614565U (en) | Assembled reinforced concrete beam column node | |
| CN218933193U (en) | Tower foundation and anemometer tower assembly | |
| CN217027757U (en) | Precast beam bottom rib anchorage device, precast beam formed by same, and beam column joint and primary and secondary beam joints formed by same | |
| CN219033790U (en) | Grouting sleeve and round platform concrete connecting pipe pile | |
| CN220814406U (en) | Prefabricated assembled formwork shear wall | |
| CN220100211U (en) | Reinforced concrete column changes steel core concrete column node | |
| CN217027441U (en) | Connecting joint of concrete-filled steel tubular column and precast beam |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210427 |