CN209779864U - Assembly joint of reinforced concrete column - Google Patents
Assembly joint of reinforced concrete column Download PDFInfo
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- CN209779864U CN209779864U CN201920340795.9U CN201920340795U CN209779864U CN 209779864 U CN209779864 U CN 209779864U CN 201920340795 U CN201920340795 U CN 201920340795U CN 209779864 U CN209779864 U CN 209779864U
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Abstract
the utility model discloses an assembly joint of a reinforced concrete column, which comprises a prefabricated upper column, a prefabricated lower column and a prefabricated steel joint unit positioned between the prefabricated upper column and the prefabricated lower column; prefabricated steel node unit includes upper end plate, lower end plate and is located the upper end plate with connecting plate between the lower end plate, the connecting plate includes 4 webs and is located every the stiffening rib board of fixed plate lateral wall, 4 the web alternates the welding together, so that the web is "well" font, and "well" font the through-hole at web central authorities is the tongue-and-groove, every stiffening rib board's one end and corresponding the welding of web lateral wall middle part, the outside extension of the other end. The utility model discloses it is comparatively nimble to arrange the position, and it is convenient to overhaul, has stronger suitability.
Description
Technical Field
The utility model relates to a building field especially relates to an assembly node of reinforced concrete column.
Background
from the initial stage of building a country, the assembly node system of China is applied to multi-storey buildings successively, the assembly node has the advantages of short construction period, high construction efficiency and the like, and the assembly node has the advantages of less wet operation and environmental protection, and is a trend for the development of the building industry of China. The assembly node is a whole formed by transporting beam and column components to a construction site after prefabrication is completed in a prefabrication factory or on site, and hoisting and connecting. The column is an important component bearing horizontal load and vertical load in a frame structure, and the connection between the column and the column is particularly important for obtaining better mechanical property. The assembly node column-column connection form is classified into a dry connection and a wet connection according to different construction methods. The dry connection means that the connection between columns is mainly realized through steel plates or other embedded parts embedded in the prefabrication process, the connection form is mainly welding or bolt connection, and in addition, the on-site concrete pouring is not needed. The wet connection is also called as a cast-in-place connection mode, and means that after the steel bars extending out of the connection position of the upper column and the lower column are anchored, welded, mechanically connected or lapped and the like, concrete is poured or grouted at the connection position, and the two columns are connected into a whole. The existing assembly nodes mainly focus on a wet type column-column connection node form, while the research of a dry type column-column connection node form in the theoretical aspect is lagged and needs to be further discussed, while the existing dry type connection nodes greatly shorten the construction period, but have a certain difference with the seismic performance of cast-in-place nodes, and the requirements of 'strong nodes and weak components' are difficult to meet.
SUMMERY OF THE UTILITY MODEL
in view of this, the utility model aims at providing an assembly node of reinforced concrete column to the reinforcing bar is as bolt lug connection, and it is clear and definite to pass the power path, and prefabricated steel node unit is as solitary node unit, arranges the position comparatively nimble, and it is convenient to overhaul, has stronger suitability.
the utility model discloses an above-mentioned technical problem is solved to following technical means:
an assembly node of a reinforced concrete column comprises a prefabricated upper column, a prefabricated lower column and a prefabricated steel node unit positioned between the prefabricated upper column and the prefabricated lower column;
The prefabricated steel node unit comprises an upper end plate, a lower end plate and a connecting plate positioned between the upper end plate and the lower end plate, wherein the connecting plate comprises 4 webs and stiffening rib plates positioned on the side walls of each web, the 4 webs are interpenetrated and welded together so as to enable the webs to be in a 'well' -shaped shape, a through hole in the center of each web in the 'well' -shaped shape is a mortise, one end of each stiffening rib plate is welded with the middle part of the corresponding side wall of each web, and the other end of each stiffening rib plate extends outwards;
The upper end plate reaches all be provided with a plurality of locating holes on the lower end plate, the middle part of the bottom surface of prefabricated upper prop and the middle part of prefabricated lower prop top surface outwards protrusion is in order to form the column end tenon, prefabricated upper prop and all be provided with a plurality of location around the column end tenon of prefabricated lower prop and indulge the muscle, prefabricated upper prop and the column end tenon of prefabricated lower prop is followed the both ends of prefabricated steel node unit insert in the tongue-and-groove of web, just a plurality of location of prefabricated upper prop are indulged the muscle and are corresponded and are inserted in a plurality of locating holes of upper end plate and adopt bolted connection, a plurality of location of prefabricated lower prop are indulged the muscle and are corresponded and are inserted in a plurality of locating holes of lower end plate and adopt bolted connection.
preferably, the upper end and the lower end of each of the 4 fixing plates are respectively welded with the bottom surface of the upper end plate and the top surface of the lower end plate.
preferably, the positioning longitudinal rib extends inwards into the prefabricated upper column or the prefabricated lower column, and the positioning longitudinal rib extends out of the outer surface of the prefabricated upper column or the outer surface of the prefabricated lower column part and is provided with threads.
preferably, distributed steel bars, tenon longitudinal bars and tenon stirrups are arranged in the tenon at the column end and nearby the tenon, the distributed steel bars are distributed on the bottom surface of the prefabricated upper column or the top surface of the prefabricated lower column in a crossed manner, the tenon longitudinal bars longitudinally surround the tenon at the column end, and the tenon stirrups longitudinally surround the tenon longitudinal bars.
the utility model also provides an utilize assembly node assemble the method, include:
Laying a layer of sitting slurry on the top surface of the prefabricated lower column;
Inserting a column end tenon of the prefabricated lower column into a mortise of the prefabricated steel node unit, and matching a positioning hole in a lower end plate of the prefabricated steel node unit with a positioning longitudinal rib of the prefabricated lower column and connecting the positioning hole with the positioning longitudinal rib of the prefabricated lower column by using a bolt;
Filling mortar in the mortises of the prefabricated steel node units;
Inserting a column end tenon of the prefabricated upper column into a mortise of the prefabricated steel node unit, and matching a positioning hole in an upper end plate of the prefabricated steel node unit with the positioning longitudinal rib of the prefabricated upper column and connecting the positioning hole with the positioning longitudinal rib of the prefabricated upper column through a bolt.
The utility model has the advantages that:
(1) The mode of combining dry connection and wet connection is adopted, so that the advantages of the dry connection and the wet connection are achieved, the construction is simplified, and the good connection performance is ensured;
(2) the steel bars are directly connected as bolts, bending moment and shearing force are respectively transmitted by the steel bar bolts and the column end tenons, and a force transmission path is clear;
(3) the reinforcing steel bar directly replaces a bolt, and only the column end reinforcing steel bar needs to be connected with the prefabricated steel node unit through the bolt during field assembly, so that the construction process and cost are reduced;
(4) the prefabricated steel node units are used as independent node units, the arrangement positions are flexible, the overhaul is convenient, and the applicability is strong;
(5) the prefabricated steel node unit standardization and modular production are realized, and the industrial development is promoted.
drawings
fig. 1 is a schematic structural view of a prefabricated steel node unit of the present invention;
fig. 2 is another schematic structural view of the prefabricated steel node unit of the present invention;
Fig. 3 is a schematic view of the overall structure of the assembly joint of the present invention;
FIG. 4 is a schematic view of the internal structure of the column end tenon of the assembly joint of the present invention;
Fig. 5-7 are schematic structural views illustrating the assembly of the present invention by using the assembly node;
wherein, 1, prefabricating an upper column; 2, prefabricating a lower column; 3-prefabricating a steel node unit; 4-upper end plate; 5-a lower end plate; 6-a web; 7-a stiffening rib plate; 8-mortises; 9-positioning holes; 10-column end tenon; 11-positioning longitudinal bars; 12-column body hooping; 13-distributing reinforcing steel bars; 14-tenon longitudinal ribs; 15-tenon stirrup.
Detailed Description
The invention will be described in detail with reference to the following drawings and specific embodiments:
as shown in fig. 1-4, the assembly joint of the present invention comprises a prefabricated upper column 1, a prefabricated lower column 2, and a prefabricated steel joint unit 3 located between the prefabricated upper column 1 and the prefabricated lower column 2;
the prefabricated steel node unit 3 comprises an upper end plate 4, a lower end plate 5 and a connecting plate positioned between the upper end plate 4 and the lower end plate 5, wherein the connecting plate comprises 4 webs 6 and stiffening rib plates 7 positioned on the side walls of each web, the 4 webs 6 are interpenetrated and welded together, so that the webs 6 are in a shape like a Chinese character 'jing', a through hole in the center of each web 6 in the shape like a Chinese character 'jing' is a mortise 8, one end of each stiffening rib plate 7 is welded with the middle of the corresponding side wall of the web 6, and the other end of each stiffening rib plate extends outwards; the upper end plate 4, the lower end plate 5, the web 6 and the stiffening rib plate 7 are formed by right-angle seam welding, and the upper end and the lower end of the web 6 are respectively welded with the bottom surface of the upper end plate 4 and the top surface of the lower end plate 5.
The upper end plate 4 and the lower end plate 5 are provided with a plurality of positioning holes 9, the middle of the bottom surface of the prefabricated upper column 1 and the middle of the top surface of the prefabricated lower column 2 protrude outwards to form a column end tenon 10, a plurality of positioning longitudinal ribs 11 are arranged around the column end tenon 10 of the prefabricated upper column 1 and the prefabricated lower column 2, the prefabricated upper column 1 and the column end tenon 10 of the prefabricated lower column 2 are inserted into the tenon groove 8 of the web plate 6 from two ends of the prefabricated steel node unit 3, the plurality of positioning longitudinal ribs 11 of the prefabricated upper column 1 are correspondingly inserted into the plurality of positioning holes 9 of the upper end plate 4 and connected through bolts, and the plurality of positioning longitudinal ribs 11 of the prefabricated lower column 2 are correspondingly inserted into the plurality of positioning holes 9 of the lower end plate 5 and connected through bolts. The mortises 8 which are reserved on the upper end plate 4 and the lower end plate 5 and are inserted into the column end tenons 10 are square, the positioning holes 9 are bolt holes, a steel box with an inner flange is formed, and the effects of transmitting bending moment, shearing force and partial axial force between the prefabricated upper column 1 and the prefabricated lower column 2 are directly achieved.
The positioning longitudinal rib 11 extends inwards into the prefabricated upper column 1 or the prefabricated lower column 2, and the positioning longitudinal rib 11 extends out of the prefabricated upper column 1 or the outer surface of the prefabricated lower column 2 part is provided with threads for subsequent use in cooperation with bolts.
Preferably, the prefabricated upper column 1 and the prefabricated lower column 2 transmit bending moment through a screw rod processed by a positioning longitudinal rib 11, and transmit shearing force and partial axial force through a column end tenon 10, wherein a distribution steel bar 13, a tenon longitudinal rib 14 and a tenon stirrup 15 are arranged in the column end tenon 10, the distribution steel bar 13 is crisscross distributed on the bottom surface of the prefabricated upper column 1 or the top surface of the prefabricated lower column 2, the tenon longitudinal rib 14 longitudinally surrounds the column end tenon 10, and the tenon stirrup 15 surrounds the tenon longitudinal rib 14.
Based on this, as shown in fig. 5 to fig. 7, the present embodiment further provides a method for assembling by using the assembly node, including:
Step S1: a layer of setting slurry is thinly paved on the top surface of the prefabricated lower column 2;
Step S2: inserting a column end tenon 10 of the prefabricated lower column 2 into a mortise 8 of the prefabricated steel node unit 3, matching a positioning hole 9 on a lower end plate 5 of the prefabricated steel node unit 3 with a positioning longitudinal rib 11 of the prefabricated lower column 2 and connecting the prefabricated lower column 2 with the prefabricated steel node unit 3 by using a bolt;
Step S3: filling appropriate amount of high-performance mortar in the mortises 8 of the prefabricated steel node units 3;
step S4: inserting a column end tenon 10 of the prefabricated upper column 1 into a mortise 8 of the prefabricated steel node unit 3, enabling mortar to be just overflowed from a contact surface after the column end tenon 10 of the prefabricated upper column 1 is inserted, and finally matching a positioning hole 9 in an upper end plate 4 of the prefabricated steel node unit 3 with a positioning longitudinal rib 11 of the prefabricated upper column 1 and connecting the positioning hole with a bolt to form an integral assembly node.
although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (4)
1. an assembly node of a reinforced concrete column is characterized by comprising a prefabricated upper column, a prefabricated lower column and a prefabricated steel node unit positioned between the prefabricated upper column and the prefabricated lower column;
The prefabricated steel node unit comprises an upper end plate, a lower end plate and a connecting plate positioned between the upper end plate and the lower end plate, wherein the connecting plate comprises 4 webs and stiffening rib plates positioned on the side walls of each web, the 4 webs are interpenetrated and welded together so as to enable the webs to be in a 'well' -shaped shape, a through hole in the center of each web in the 'well' -shaped shape is a mortise, one end of each stiffening rib plate is welded with the middle part of the corresponding side wall of each web, and the other end of each stiffening rib plate extends outwards;
the upper end plate reaches all be provided with a plurality of locating holes on the lower end plate, the middle part of the bottom surface of prefabricated upper prop and the middle part of prefabricated lower prop top surface outwards protrusion is in order to form the column end tenon, prefabricated upper prop and all be provided with a plurality of location around the column end tenon of prefabricated lower prop and indulge the muscle, prefabricated upper prop and the column end tenon of prefabricated lower prop is followed the both ends of prefabricated steel node unit insert in the tongue-and-groove of web, just a plurality of location of prefabricated upper prop are indulged the muscle and are corresponded and are inserted in a plurality of locating holes of upper end plate and adopt bolted connection, a plurality of location of prefabricated lower prop are indulged the muscle and are corresponded and are inserted in a plurality of locating holes of lower end plate and adopt bolted connection.
2. The assembly node of claim 1, wherein the upper and lower ends of 4 of said webs are welded to the bottom surface of said upper end plate and the top surface of said lower end plate, respectively.
3. The assembly joint according to claim 2, wherein the positioning longitudinal rib extends inwards into the prefabricated upper column or the prefabricated lower column, and the outer surface of the part of the positioning longitudinal rib extending out of the prefabricated upper column or the prefabricated lower column is provided with threads.
4. the assembly node of claim 3, wherein distributed reinforcement, longitudinal tenon reinforcement and hoop tenon reinforcement are disposed in and near the tenon of the column end, the distributed reinforcement is criss-cross distributed on the bottom surface of the prefabricated upper column or the top surface of the prefabricated lower column, the longitudinal tenon reinforcement longitudinally surrounds the tenon of the column end, and the hoop tenon reinforcement longitudinally surrounds the longitudinal tenon reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340795.9U CN209779864U (en) | 2019-03-18 | 2019-03-18 | Assembly joint of reinforced concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340795.9U CN209779864U (en) | 2019-03-18 | 2019-03-18 | Assembly joint of reinforced concrete column |
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| Publication Number | Publication Date |
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| CN209779864U true CN209779864U (en) | 2019-12-13 |
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| CN201920340795.9U Active CN209779864U (en) | 2019-03-18 | 2019-03-18 | Assembly joint of reinforced concrete column |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811882A (en) * | 2019-03-18 | 2019-05-28 | 重庆大学 | A kind of assembly node and assembly method of reinforced column |
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2019
- 2019-03-18 CN CN201920340795.9U patent/CN209779864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109811882A (en) * | 2019-03-18 | 2019-05-28 | 重庆大学 | A kind of assembly node and assembly method of reinforced column |
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