CN214696055U - Beam column connected node structure among shaped steel concrete structure - Google Patents
Beam column connected node structure among shaped steel concrete structure Download PDFInfo
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- CN214696055U CN214696055U CN202022745954.9U CN202022745954U CN214696055U CN 214696055 U CN214696055 U CN 214696055U CN 202022745954 U CN202022745954 U CN 202022745954U CN 214696055 U CN214696055 U CN 214696055U
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Abstract
The invention discloses a beam column connecting node structure in a section steel concrete structure, which solves the problems of how to ensure the integral penetration of longitudinal steel bars and the strength of a section steel beam when the longitudinal steel bars and a section steel beam flange plate interfere in the conventional section steel concrete combined structure. The grooves for the longitudinal steel bars in the steel section concrete composite structure to pass through are formed in the upper flange plate and the lower flange plate of the steel section beam in advance, so that the longitudinal steel bars interfering with the upper flange plate and the lower flange plate of the steel section beam can vertically pass through the upper flange plate and the lower flange plate of the steel section beam, and the pressure bearing performance of the whole longitudinal steel bars in the vertical direction is ensured; a semi-cylindrical support sleeve is fixedly welded between the upper flange plate and the lower flange plate of the section steel beam at the groove position so as to make up the reduction of the strength of the section steel beam caused by the groove of the section steel beam and ensure the integral strength of the section steel beam; the strength of the beam column joint is ensured, the construction efficiency is improved, and construction materials are saved.
Description
Technical Field
The invention relates to a section steel concrete composite structure, in particular to a structure of a connecting node of a beam and a column in the section steel concrete composite structure and a construction method thereof.
Background
The section steel concrete composite structure is an independent structural form for embedding section steel into reinforced concrete, and the structure is as follows: the section steel, the steel bar and the concrete are combined together; compared with the traditional reinforced concrete structure, the section steel concrete composite structure has the characteristics of large bearing capacity, large rigidity and excellent anti-seismic performance, and compared with the traditional steel structure, the section steel concrete composite structure has the advantages of good fireproof performance, good structure local and overall stability and steel saving. The construction sequence of the connecting joints between the beams and the columns of the steel reinforced concrete composite structure is as follows: accomplish the installation of the shaped steel stand on current layer, around the outside of shaped steel stand earlier, carry out arranging and the ligature of the longitudinal reinforcement of shaped steel concrete column, the node position department of shaped steel stand is hoisted to the shaped steel girder on current layer again, be connected the roof beam with the post butt joint together, at this in-process, because the longitudinal reinforcement that sets up the shaped steel concrete column at the node can take place to interfere with the upper and lower flange board of shaped steel girder, hinder the butt joint of shaped steel girder and shaped steel post, in order to solve this problem, current construction method is: the method comprises the steps of shortening longitudinal steel bars of the profile steel concrete column interfering with upper and lower flange plates of a profile steel beam in a butt joint mode, firstly completing butt joint connection of the profile steel beam and the profile steel column, then welding an upper welding sleeve with threads on the upper top surface of the upper flange plate of the profile steel beam, welding a lower sleeve with threads on the lower bottom surface of the lower flange plate of the profile steel beam, taking a section of short steel bar with screw buckles, connecting the threaded end of the short steel bar with the welding sleeve in a screw joint mode, welding the other end of the short steel bar with the shortened longitudinal steel bars of the profile steel concrete column together, and completing connection of longitudinal steel bars of the profile steel concrete column at an interference position and the profile steel beam so as to guarantee longitudinal supporting strength of overall rigidity of the longitudinal steel bars in the profile steel concrete column. The structure and the construction method have the following problems: (1) the longitudinal steel bars are cut off at the flange plates of the section steel beams, so that the longitudinal steel bars of the section steel columns cannot be continuously communicated up and down, and the integral pressure bearing performance of the longitudinal stressed steel bars is directly reduced; (2) the method for arranging the sleeves on the flange plates and splicing the flange plates by using the short steel bars is influenced by the process construction sequence and the construction space, and has the defects of complicated field construction process, time-consuming waste and serious waste of the steel bars.
Disclosure of Invention
The invention provides a beam-column connecting node structure in a steel reinforced concrete composite structure and a construction method thereof, and solves the technical problems of how to ensure the integral penetration of longitudinal steel bars and considering the strength of a steel reinforced beam when the longitudinal steel bars and a flange plate of the steel reinforced beam interfere in the conventional steel reinforced concrete composite structure.
The invention solves the technical problems by the following technical scheme:
the general concept of the invention is: the grooves for the longitudinal steel bars in the steel section concrete composite structure to pass through are formed in the upper flange plate and the lower flange plate of the steel section beam in advance, so that the longitudinal steel bars interfering with the upper flange plate and the lower flange plate of the steel section beam can vertically pass through the upper flange plate and the lower flange plate of the steel section beam, and the pressure bearing performance of the whole longitudinal steel bars in the vertical direction is ensured; a semi-cylindrical support sleeve is fixedly welded between the upper flange plate and the lower flange plate of the section steel beam at the groove position so as to make up the reduction of the strength of the section steel beam caused by the groove of the section steel beam and ensure the integral strength of the section steel beam; the strength of the beam column joint is ensured, the construction efficiency is improved, and construction materials are saved.
A beam column connection node structure in a section steel concrete structure comprises a section steel column foundation, a section steel column and a section steel beam, wherein a section steel column embedded part is arranged in the section steel column foundation, the section steel column is fixedly connected on the section steel column embedded part, a longitudinal steel bar is arranged in the section steel column foundation on the left side of the section steel column, an upper flange plate front side groove is arranged on the upper flange plate front side of the section steel beam, a lower flange plate front side groove is arranged on the lower flange plate front side of the section steel beam, a semi-cylindrical support steel cylinder is fixedly connected between the lower bottom surface of the upper flange plate outside the upper flange plate front side groove and the upper top surface of the lower flange plate outside the lower flange plate front side groove, the upper end of the longitudinal steel bar sequentially penetrates through the lower flange plate front side groove, the inner cavity of the semi-cylindrical support steel cylinder and the upper flange plate front side groove from bottom to top in the vertical direction, the steel section column is arranged above the section steel beam, and the section steel beam is connected with the section steel column in a butt joint mode and then welded together.
An upper welding threaded sleeve is arranged on the section steel upright above the butt welding position of the section steel beam and the section steel upright, a lower welding threaded sleeve is arranged on the section steel upright below the butt welding position of the section steel beam and the section steel upright, the stress steel bar on the upper side of the beam above the section steel beam is connected with the upper welding threaded sleeve, and the stress steel bar on the lower side of the beam below the section steel beam is connected with the lower welding threaded sleeve; be provided with the stand bolt nail on the shaped steel stand, be provided with the roof beam selection nail on the shaped steel roof beam.
A construction method of a beam-column connection node structure in a section steel concrete structure comprises the following steps:
firstly, pre-embedding a profile steel upright post embedded part, installing steel bars and supporting a template, forming a profile steel upright post foundation after pouring concrete, and installing a profile steel upright post on an exposed foundation plate of the profile steel upright post foundation;
and secondly, processing the section steel beam in a processing plant, wherein the specific processing process is as follows: processing a lower flange plate front groove on a lower flange plate of a section steel beam through which a longitudinal steel bar at the joint of the section steel beam and the section steel upright column pre-passes, processing an upper flange plate front groove on an upper flange plate of the section steel beam through which the longitudinal steel bar pre-passes, welding a semi-cylindrical support steel cylinder between the lower bottom surface of the upper flange plate outside the upper flange plate front groove and the upper top surface of the lower flange plate outside the lower flange plate front groove, so that the semi-cylindrical support steel cylinder forms a support for the upper flange plate and the lower flange plate at the joint of the section steel beam and the section steel upright column, and the strength of the semi-cylindrical support steel cylinder is enhanced;
thirdly, hoisting the section steel beam processed in the second step to the butt joint position of the section steel upright column by using hoisting equipment, butt-welding the section steel beam and the section steel upright column together, and enabling the upper end of a longitudinal steel bar to sequentially penetrate through the front side groove of the lower flange plate, the inner cavity of the semi-cylindrical support steel cylinder and the front side groove of the upper flange plate along the vertical direction from bottom to top and be arranged above the section steel beam, so that the longitudinal steel bar interfering with the flange plate of the section steel beam is longitudinally and continuously communicated after vertically penetrating through the flange plate of the section steel beam;
fourthly, welding a welding threaded sleeve above the section steel beam subjected to butt welding, and connecting a stress steel bar on the upper side of the beam on the upper welding threaded sleeve; welding a lower welding threaded sleeve below the section steel beam subjected to butt welding, and connecting a stressed steel bar at the lower side of the beam on the lower welding threaded sleeve;
and fifthly, pouring concrete after finishing binding all longitudinal steel bars on the outer side of the section steel upright and binding all beam stressed steel bars on the outer side of the section steel beam, and forming the connecting beam column of the steel concrete composite structure.
The invention has simple structure, is convenient for field construction, can save a large amount of main reinforcement steel bars, and the strength of the formed section steel concrete composite structure can meet the design requirement, thereby greatly improving the construction efficiency of beam column connection points.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
a beam column connection node structure in a section steel concrete structure comprises a section steel column foundation 4, a section steel column 2 and a section steel beam 3, wherein a section steel column embedded part 1 is arranged in the section steel column foundation 4, the section steel column 2 is fixedly connected to the section steel column embedded part 1, a longitudinal steel bar 5 is arranged in the section steel column foundation 4 on the left side of the section steel column 2, an upper flange plate front side groove 7 is arranged on the upper flange plate front side of the section steel beam 3, a lower flange plate front side groove 6 is arranged on the lower flange plate front side of the section steel beam 3, a semi-cylindrical support steel cylinder 9 is fixedly connected between the lower bottom surface of the upper flange plate outside the upper flange plate front side groove 7 and the upper top surface of the lower flange plate outside the lower flange plate front side groove 6, and the upper end of the longitudinal steel bar 5 sequentially penetrates through the lower flange plate front side groove 6 from bottom to top along the vertical direction, The inner cavity of the semi-cylindrical support steel cylinder 9 and the front side groove 7 of the upper flange plate are arranged above the section steel beam 3, and the section steel beam 3 is connected with the section steel upright post 2 in a butt joint mode and then welded together.
An upper welding threaded sleeve 12 is arranged on the section steel upright post 2 above the butt welding position of the section steel beam 3 and the section steel upright post 2, a lower welding threaded sleeve 10 is arranged on the section steel upright post 2 below the butt welding position of the section steel beam 3 and the section steel upright post 2, an upper beam side stress steel bar 13 above the section steel beam 3 is connected with the upper welding threaded sleeve 12, and a lower beam side stress steel bar 11 below the section steel beam 3 is connected with the lower welding threaded sleeve 10; be provided with stand bolt nail 14 on shaped steel stand 2, be provided with roof beam bolt nail 8 on shaped steel roof beam 3.
A construction method of a beam-column connection node structure in a section steel concrete structure comprises the following steps:
firstly, pre-embedding a profile steel upright post embedded part 1, installing steel bars and supporting a template, pouring concrete to form a profile steel upright post foundation 4, and installing a profile steel upright post 2 on an exposed foundation plate of the profile steel upright post foundation 4;
and secondly, processing the section steel beam 3 in a processing plant, wherein the specific processing process is as follows: processing a lower flange plate front groove 6 on a lower flange plate of a section steel beam pre-penetrated by a longitudinal steel bar 5 at the joint of the section steel beam 3 and the section steel upright post 2, processing an upper flange plate front groove 7 on an upper flange plate of the section steel beam pre-penetrated by the longitudinal steel bar 5, welding a semi-cylindrical support steel cylinder 9 between the lower bottom surface of the upper flange plate outside the upper flange plate front groove 7 and the upper top surface of the lower flange plate outside the lower flange plate front groove 6, and enabling the semi-cylindrical support steel cylinder 9 to form a support for the upper flange plate and the lower flange plate at the joint of the groove and enhance the strength of the semi-cylindrical support steel cylinder;
thirdly, hoisting the section steel beam 3 processed in the second step to the butt joint position of the section steel upright post 2 by using hoisting equipment, butt-welding the section steel beam 3 and the section steel upright post 2 together, and enabling the upper end of a longitudinal steel bar 5 to sequentially penetrate through a lower flange plate front side groove 6, an inner cavity of a semi-cylindrical support steel cylinder 9 and an upper flange plate front side groove 7 along the vertical direction from bottom to top and be arranged above the section steel beam 3, so that the longitudinal steel bar 5 interfering with the flange plate of the section steel beam 3 is realized, and the longitudinal continuous penetration is realized after the longitudinal steel bar vertically penetrates through the flange plate of the section steel beam 3;
fourthly, welding a welding threaded sleeve 12 above the section steel beam 3 after butt welding, and connecting a stress steel bar 13 on the upper side of the beam on the upper welding threaded sleeve 12; welding a lower welding threaded sleeve 10 below the section steel beam 3 after butt welding, and connecting a stress steel bar 11 at the lower side of the beam on the lower welding threaded sleeve 10;
and fifthly, pouring concrete after finishing binding all longitudinal steel bars on the outer side of the section steel upright 2 and binding all beam stressed steel bars on the outer side of the section steel beam 3 to form the connecting beam column of the steel concrete composite structure.
Claims (2)
1. A beam column connection node structure in a section steel concrete structure comprises a section steel column foundation (4), a section steel column (2) and a section steel beam (3), wherein a section steel column embedded part (1) is arranged in the section steel column foundation (4), the section steel column (2) is fixedly connected on the section steel column embedded part (1), and a longitudinal steel bar (5) is arranged in the section steel column foundation (4) on the left side of the section steel column (2), the beam column connection node structure is characterized in that an upper flange plate front side groove (7) is arranged on the upper flange plate front side surface of the section steel beam (3), a lower flange plate front side groove (6) is arranged on the lower flange plate front side surface of the section steel beam (3), a semi-cylindrical support steel cylinder (9) is fixedly connected between the lower surface of the upper flange plate outside the upper flange plate front side groove (7) and the upper top surface of the lower flange plate outside the lower flange plate front side groove (6), the upper end of the longitudinal steel bar (5) sequentially penetrates through the lower flange plate front side groove (6), the inner cavity of the semi-cylindrical support steel cylinder (9) and the upper flange plate front side groove (7) from bottom to top along the vertical direction, and is arranged above the section steel beam (3), and the section steel beam (3) is connected with the section steel upright post (2) in a butt joint mode and then is welded together.
2. The beam-column connection node structure in a section steel concrete structure according to claim 1, wherein an upper welding threaded sleeve (12) is provided on the section steel column (2) above the butt-joint welding of the section steel beam (3) and the section steel column (2), a lower welding threaded sleeve (10) is provided on the section steel column (2) below the butt-joint welding of the section steel beam (3) and the section steel column (2), the beam upper side stress reinforcement (13) above the section steel beam (3) is connected with the upper welding threaded sleeve (12), and the beam lower side stress reinforcement (11) below the section steel beam (3) is connected with the lower welding threaded sleeve (10); the section steel upright post (2) is provided with an upright bolt (14), and the section steel beam (3) is provided with a beam bolt nail (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022745954.9U CN214696055U (en) | 2020-11-24 | 2020-11-24 | Beam column connected node structure among shaped steel concrete structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022745954.9U CN214696055U (en) | 2020-11-24 | 2020-11-24 | Beam column connected node structure among shaped steel concrete structure |
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| CN214696055U true CN214696055U (en) | 2021-11-12 |
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