SUMMERY OF THE UTILITY MODEL
The utility model provides a steel reinforcing bar concrete beam supports connected node structure of steel construction post, as the strong point of steel construction post, effective load bearing guarantees stable in structure safety.
The utility model provides a technical scheme that above-mentioned technical problem adopted is:
a connection node structure of a steel reinforced concrete beam supporting steel structure column is arranged at the bottom of the steel structure column and used for supporting the steel structure column and comprises the steel reinforced concrete beam, connection nodes and a steel structure foundation, wherein the steel reinforced concrete beam is arranged in a crossed manner, the connection nodes are arranged at the crossed positions of the steel reinforced concrete beam, and the steel structure foundation is arranged on the connection nodes and is positioned right below the steel structure column;
the steel reinforced concrete beam comprises a steel keel and reinforced concrete on the outer side, the inner end of the steel keel is connected with the side face of the connecting node, and the steel structure foundation is connected to the top end of the connecting node;
the steel keel is of an I-shaped steel structure, and the connecting joint and the steel structure foundation are both of box-shaped steel structures.
Furthermore, the connecting node is a box body with an opening at the upper end, and comprises a box body panel and a cross inner support, wherein the cross inner support is arranged in the box body formed by the box body panel, and the side edge of the cross inner support is not contacted with the box body panel; the steel structure foundation comprises a box body panel, a cross web and a reinforcing rib plate, the cross web is vertically arranged in a box body formed by the box body panel, the reinforcing rib plate is horizontally arranged in the box body and comprises an upper rib plate and a lower rib plate, the cross web comprises a supporting portion on the upper portion and a connecting portion on the lower portion, the upper rib plate is arranged in the middle of the supporting portion, and the lower rib plate is arranged between the supporting portion and the connecting portion.
Further, the box panel of connected node is connected with the box panel of steel construction basis, the connecting portion and the cross internal stay of cross web are connected.
Furthermore, the size of the cross section of the box body of the connecting node is the same as that of the cross section of the box body of the steel structure foundation, and the connecting part of the cross web plate is the same as that of the cross inner support and is smaller than that of the cross web plate supporting part.
Further, the steel joist includes fossil fragments section and linkage segment, the fossil fragments section passes through the linkage segment to be connected on connected node's the box panel outside.
Further, the keel section is an I-shaped steel structure and comprises a straight web plate and panels, the panels are arranged on the upper side and the lower side of the straight web plate, and the connecting section comprises a cross web plate and the panels.
Furthermore, the lower part of the box body panel of the steel structure foundation is a transition section which is gradually increased from bottom to top in smooth transition to the adjacent box body panels which are connected with each other to form the box body.
Further, the top surface of connected node is less than the top surface of steel joist, and the bottom surface is parallel and level with the bottom surface of steel joist, lower floor and the top surface parallel and level of steel joist.
Furthermore, the outer side of the box body panel is provided with a stud, and the upper side surface of the steel keel is provided with a stud.
The utility model discloses beneficial effect as follows:
the steel structure column foundation is connected with the steel keel of the concrete beam through the conversion node to form an integral structure, so that the steel reinforced concrete beam of the steel-concrete structure building is connected with the steel structure column, the steel structure column and the steel-concrete structure building are stably connected into a whole, the supporting effect of the building roof on the steel structure column is ensured, and the safety of the structure of the building can be ensured;
the cross inner support and the box body panel are arranged to support the transverse load, so that the transverse load can be effectively borne and kept stable structurally, and the stability of the steel structure column is ensured; the utility model has the advantages of the connected mode is succinct firm, the stable state to the construction mode is succinct, and one-time construction is accomplished, effectively promotes the efficiency of construction.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
As shown in fig. 1, a connection node structure of a steel reinforced concrete beam supporting steel structure column is arranged at the bottom of the steel structure column 1 and used for supporting the steel structure column 1, and comprises steel reinforced concrete beams 2, connection nodes 3 and a steel structure foundation 4, wherein the steel reinforced concrete beams 2 are arranged in a cross shape, the connection nodes 3 are arranged at the cross positions of the steel reinforced concrete beams 2, and the steel structure foundation 4 is arranged on the connection nodes 3 and is positioned right below the steel structure column 1;
as shown in fig. 1, 2, 3 and 4, the steel reinforced concrete beam 2 comprises a steel keel 21 and reinforced concrete on the outer side, the inner end of the steel keel 21 is connected with the side surface of the connecting node 3, and the steel structure foundation 4 is connected to the top end of the connecting node 3;
the steel keel 21 is of an I-shaped steel structure, and the connecting node 3 and the steel structure foundation 4 are both of box-shaped steel structures.
Establish the steel structure column in the junction of the reinforcing bar concrete beam 2 of building roofing, utilize the structure of reinforcing bar concrete beam 2 to support steel structure column 1, utilize connected node 3 to be connected steel structure basis 4 and steel joist 21 structure as an organic whole, guarantee building roofing structure's stability and safety when guaranteeing the support effect.
The four steel skeleton concrete beams 2 are connected to the peripheral sides of the connecting nodes 3 through steel keels 21 to form a stable integrated structure with the connecting nodes, and the steel structure foundation 4 is supported through the connecting nodes 3; pour reinforced concrete with steel joist 21 and connected node 3 outside, form the building roofing, concrete placement is also carried out to steel structure basis 4 lower part, through the concrete parcel in inside steel construction connection and the outside, carries out the outrigger to steel structure basis 4, and then guarantees the support to steel structure post 1.
As shown in fig. 8, 9, 10, 11 and 12, further, the connection node 3 is a box body with an open upper end, and includes a box body panel 31 and a cross inner brace 32, where the cross inner brace 32 is arranged in the box body formed by the box body panel 31, and a side edge of the cross inner brace is not in contact with the box body panel 31; the steel structure foundation 4 comprises a box body panel 31, a cross web 41 and a reinforcing rib plate 42, wherein the cross web 41 is vertically arranged in a box body formed by the box body panel 31, the reinforcing rib plate 42 is horizontally arranged in the box body and comprises an upper rib plate 421 and a lower rib plate 422, the cross web 41 comprises a supporting portion at the upper part and a connecting portion at the lower part, the upper rib plate 421 is arranged in the middle of the supporting portion, and the lower rib plate 422 is arranged between the supporting portion and the connecting portion.
As shown in fig. 5, 6, 7, the box panel 31 of connected node 3 is connected with steel joist 21, connect four steel joists as a whole, form firm support foundation, the box panel 31 of steel construction basis 4 is connected with the box panel 31 of connected node 3, the inside cross internal stay 32 of connected node 3 is connected with the cross web 41 in the steel construction basis 4, and increase the cross-sectional dimension of cross steel construction through the reinforcing floor plate 42, be connected cross web 41 and box panel 31, strengthen structural strength, guarantee the support to steel construction post 1.
As shown in fig. 7, the cross inner brace 32 inside the connection node 3 is not connected with the box body panel 31, and is only used as an inner brace of a steel reinforced concrete structure, so that the concrete is not influenced to form a complete column, and the structural strength of the building body is not influenced; cross web 41 in the steel structure foundation 4 is connected with box panel 31, strengthens structural strength and stability, guarantees the structural strength of self to carry out the outrigger to steel structure post 1.
As shown in fig. 3, further, the box body panel 31 of the connection node 3 is connected with the box body panel 31 of the steel structure foundation 4, and the connection part of the cross web 41 is connected with the cross inner support 32.
Further, the bottom surface of the box panel 31 of the steel structure foundation 4 is connected with the top surface of the box panel 31 of the connection node 3, and the side surface of the box panel is connected with the inner end of the steel keel 21.
As shown in fig. 6, the joints of the connecting portions of the cross webs 41 and the cross inner braces 32, the joints of the box panels 31 of the steel structure foundation 4 and the box panels 31 of the connecting nodes 3, and the joints of the panels of the steel keels 21 and the box panels 31 of the steel structure foundation 4 are vertically divided into three parts and are arranged in a staggered manner, so that the transverse shear resistance after the structure connection is effectively enhanced.
Steel construction basis 4's box panel 31 is connected on connected node 3's box panel 31, the connecting portion and the cross internal stay 32 of cross web 41 are connected, cross internal stay 32 is connected on connected node 3 bottom plate, cross web 41 passes through reinforcing floor 42 and is connected with steel construction basis 4's box panel 31, when steel construction basis 4 bears vertical pressure load, be divided into inside cross web 41 and the box panel 31 of periphery and support, two part structures and the load that bears are connected as an organic wholely through reinforcing floor 42 again, strengthen the bearing capacity to the load, strengthen vertical compressive property.
Further, the box cross section of the connecting node 3 is the same as that of the steel structure foundation 4, and the connecting portion of the cross web 41 is the same as that of the cross inner support 32, and both are smaller than the cross section of the supporting portion of the cross web 41.
As shown in fig. 5 and 7, further, the steel keel 21 includes a keel section 211 and a connecting section 212, and the keel section 211 is connected to the outer side of the box body panel 31 of the connecting node 3 through the connecting section 212.
Set up fossil fragments section 211 and linkage segment 212 for strengthen the structural strength with connected node 3 junction, have convenient connection simultaneously for the characteristics of construction progress.
As shown in fig. 7, further, the keel segment 211 is an i-steel structure, and includes a straight web and a panel, the panel is disposed on the upper and lower sides of the straight web, and the connecting segment 212 includes a cross-shaped web and a panel.
Further, the lower part of the box body panel 31 of the steel structure foundation 4 is a transition section, and the transition section gradually increases from bottom to top in a smooth transition manner to the adjacent box body panels 31 which are connected with each other to form the box body.
Preferably, the transition section is poured with concrete and is poured with the steel reinforced concrete beam 2 into a whole, so that the steel structure foundation 4 and the steel reinforced concrete beam 2 form a stable integrated structure under the condition of ensuring the connection strength.
Preferably, the top surface of the connecting node 3 is lower than the top surface of the steel keel 21, the bottom surface of the connecting node is flush with the bottom surface of the steel keel 21, and the bottom surface of the steel structure foundation 4 is lower than the top surface of the connecting node 3; the top surface of the cross inner support 32 of the connecting node 3 is lower than the top surface of the box body panel 31 of the connecting node 3, the bottom surface of the connecting part of the cross web plate 41 is lower than the bottom surface of the box body panel 31 of the steel structure foundation 4, and the lower rib plate 422 is flush with the top surface of the steel keel 21.
Further, the outer side of the box body panel 31 is provided with a stud, and the upper side of the steel keel 21 is provided with a stud.
A construction method of a connection node structure of a steel reinforced concrete beam supporting steel structure column comprises the following steps:
s1, prefabricated structure: prefabricating the steel keel 21, the connecting node 3 and the steel structure foundation 4 according to the design construction requirement,
s2, erecting a template: erecting a roof concrete pouring template and a corresponding supporting system;
s3, installing a steel keel: installing a steel keel 21 and a connecting node 3 at the position of the steel skeleton beam of the roof, adjusting the position to meet the requirement, then carrying out welding connection, and carrying out position measurement and flaw detection after welding;
s4, mounting a steel structure foundation: mounting the steel structure foundation 4 according to the position and structure measurement result, mounting the steel structure foundation 4 on the connecting node 3, welding and connecting, and performing flaw detection after the completion;
s5, binding steel bars: binding the steel reinforced concrete beam 2 and the steel bars of the roof;
s6, pouring concrete: and pouring the roof concrete to the elevation, solidifying, and waiting for the subsequent construction of the steel structure column 1 after the roof construction is finished.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.