CN213115025U - Connection structure of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam - Google Patents
Connection structure of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam Download PDFInfo
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- CN213115025U CN213115025U CN202021369105.1U CN202021369105U CN213115025U CN 213115025 U CN213115025 U CN 213115025U CN 202021369105 U CN202021369105 U CN 202021369105U CN 213115025 U CN213115025 U CN 213115025U
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Abstract
The utility model discloses a connection structure of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam, it indulges the muscle to be equipped with the post in the circular concrete column of cross reinforcing bar, post stirrup and cross reinforcing bar, it indulges the muscle to be equipped with the roof beam in the slant reinforced concrete roof beam, still including setting up the post enlarged footing at handing-over beam column node department of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam, the interior top of post enlarged footing is equipped with on-ring muscle group of a plurality of rows of axial distribution, muscle group all includes on-ring muscle of a plurality of concentric distributions on every row of ring, the interior bottom of post enlarged footing is equipped with under-ring muscle group of a plurality of rows of axial distributions, muscle group all includes under-ring muscle of a plurality of concentric distributions under every row of ring, muscle and ring under-ring muscle of the most inner ring are located the post indulges between muscle and the cross. The utility model has the characteristics of reduce the construction degree of difficulty, guarantee engineering quality.
Description
Technical Field
The utility model relates to a reinforced concrete connection structure, especially a connection structure of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam.
Background
With the development of building structures, in order to achieve satisfactory building effects, the requirements on the section of the column are higher and higher, and the cross steel rib circular concrete column is adopted in projects more and more as an effective solution. The bearing capacity of the cross steel rib circular concrete column is greatly higher than that of a reinforced concrete column under the same cross section condition, the ductility is obviously improved compared with that of the reinforced concrete column, and the aspects of durability, fire resistance and the like are better than those of a steel structure.
The existing method is to adopt a welding sleeve or a welding reinforcing steel bar connecting plate to anchor the longitudinal beam reinforcing bars, but the method is only suitable for the situation that the plane grids of the conventional beam column are vertically distributed, when the reinforced concrete beam which is inclined on the plane is connected with the circular cross-steel-rib concrete column, because of the randomness of the inclined angle, the beam reinforcing bars often have no definite corresponding relation with flange plates of the cross-steel-rib, especially when a plurality of beams are crossed at the column position at a small angle, the reinforcing bars are difficult to stagger due to the insertion of the small angle, so the construction difficulty of the two methods is very large, and the engineering quality cannot be ensured.
Therefore, the existing connection mode of the cross steel rib circular concrete column and the oblique reinforced concrete beam has the problems of great construction difficulty and incapability of ensuring engineering quality especially when a plurality of beams are crossed at the column position at a small angle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cross reinforcing bar circular concrete column and slant reinforced concrete beam's connection structure. The utility model has the characteristics of reduce the construction degree of difficulty, guarantee engineering quality.
The technical scheme of the utility model: the circular concrete column of cross reinforcing bar and the connection structure of slant reinforced concrete roof beam, it indulges muscle, post stirrup and cross reinforcing bar to be equipped with the post in the circular concrete column of cross reinforcing bar, it indulges the muscle to be equipped with the roof beam in the slant reinforced concrete roof beam, including setting up the post enlarged footing at handing-over beam column node of the circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam, the interior top of post enlarged footing is equipped with on-ring muscle group of a plurality of rows of axial distribution, muscle group all includes on-ring muscle of a plurality of concentric distributions on every row of ring, the interior bottom of post enlarged footing is equipped with under-ring muscle group of a plurality of rows of axial distributions, muscle group all includes under the ring of a plurality of concentric distributions under every row of ring, muscle and ring under-ring muscle all are located between post longitudinal bar and the cross reinforcing bar on the ring of inner.
In the connection structure of the cross steel rib circular concrete column and the oblique reinforced concrete beam, the inner end of the beam longitudinal rib extends into the column expansion head and extends to the edge of the cross steel rib to be bent by 90 degrees, and the bent length is not less than 15 times of the diameter of the beam longitudinal rib.
In the connection structure of the circular cross steel rib concrete column and the oblique reinforced concrete beam, the beam longitudinal ribs comprise longitudinal ribs on the beam and longitudinal ribs below the beam, the longitudinal ribs on the beam are positioned above the rib groups on the rings on the uppermost row, and the longitudinal ribs below the beam are positioned above the rib groups on the rings on the lowermost row.
In the connection structure of the cross steel rib circular concrete column and the oblique reinforced concrete beam, the longitudinal rib on the beam is bent downwards, and the longitudinal rib under the beam is bent upwards.
In the connection structure of the cross steel rib circular concrete column and the oblique reinforced concrete beam, a plurality of longitudinal closed stirrups which are distributed along the circumferential direction and wrap the upper ring rib group and the lower ring rib group are further arranged in the column expansion head.
Among the aforementioned connection structure of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam, still be equipped with the hoop that a plurality of rows of axial distribute in the column enlarged footing and seal the stirrup group, every row of hoop seals the stirrup group and all includes the hoop that a plurality of concentric distributions and seals the stirrup, and the hoop seals between the stirrup group is located on the ring muscle group and the ring muscle group down, and the diameter and the interval of hoop seal the diameter and the interval of post stirrup are unanimous.
In the connection structure of the cross steel rib circular concrete column and the oblique reinforced concrete beam, the column expansion head is cylindrically sleeved outside the cross steel rib circular concrete column.
In the connection structure of the cross steel rib circular concrete column and the oblique reinforced concrete beam, the height of the column expansion head is consistent with the highest height of the oblique reinforced concrete beam.
Compared with the prior art, the utility model discloses a beam column node position that slant reinforced concrete roof beam and cross reinforcing bar circular concrete column are connected sets up annular post enlarged footing, has guaranteed the effective connection of structure atress demand and beam column, has reduced the construction degree of difficulty simultaneously, guarantees the engineering quality.
Specifically, the utility model discloses utilize muscle and ring lower muscle on a plurality of rings of post enlarged footing to guarantee that the roof beam of slant reinforced concrete roof beam indulges the muscle and effectively anchors, and muscle, ring lower muscle and vertically seal stirrup, ring seal stirrup have formed one ring beam in the beam column node region on the ring, can guarantee the effective transmission of beam column atress, have guaranteed the effective connection of structure atress demand and beam column.
The utility model discloses still reduce the welding volume of roof beam longitudinal bar and cross reinforcing bar, avoided welding sleeve or welded steel bar connecting plate to the interference of all the other reinforcing bars, reduce the roof beam and indulge the condition that the muscle collides each other in the circular concrete column of cross reinforcing bar, reduce the construction degree of difficulty for the construction progress, guarantee the construction quality of engineering.
Therefore, the utility model has the characteristics of reduce the construction degree of difficulty, guarantee engineering quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 2;
FIG. 4 is a schematic view of the connection structure between the longitudinal bars and the cross steel ribs on the beam.
The labels in the figures are: 1. a cross steel rib circular concrete column; 11. a column longitudinal bar; 12. a column stirrup; 13. a cross steel rib; 2. an oblique reinforced concrete beam; 21. longitudinal bars on the beam; 22. a beam lower longitudinal bar; 3. a column expansion head; 31. looping ribs; 32. looping a lower rib; 33. longitudinally closing the stirrup; 34. and (5) circumferentially closing the stirrup.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples
As shown in fig. 1-4, the connection structure of the circular cross steel reinforced concrete column 1 and the inclined reinforced concrete beam 2 is provided with a column longitudinal rib 11, a column hoop rib 12 and a cross steel rib 13 in the circular cross steel reinforced concrete column 1, a beam longitudinal rib in the inclined reinforced concrete beam 2, and further includes a column expansion head 3 arranged at a joint beam-column node of the circular cross steel reinforced concrete column 1 and the inclined reinforced concrete beam 2, the inner top of the column expansion head 3 is provided with a plurality of rows of axially distributed on-ring rib groups, each row of on-ring rib group includes a plurality of concentrically distributed on-ring ribs 31, the inner bottom of the column expansion head 3 is provided with a plurality of rows of axially distributed under-ring rib groups, each row of under-ring rib groups includes a plurality of concentrically distributed under-ring ribs 32, and the on-ring rib 31 and the under-ring rib 32 of the innermost ring are both located between the column longitudinal rib 11 and the cross steel rib 13.
The inner end of the beam longitudinal bar extends into the column expansion head 3 and extends to the edge of the cross steel rib 13 to be bent by 90 degrees, and the bending length is not less than 15 times of the diameter of the beam longitudinal bar.
The beam longitudinal ribs comprise an upper beam longitudinal rib 21 and a lower beam longitudinal rib 22, the upper beam longitudinal rib 21 is located above the uppermost row of ring upper rib groups, and the lower beam longitudinal rib 22 is located above the lowermost row of ring lower rib groups.
The beam upper longitudinal rib 21 is bent downward, and the beam lower longitudinal rib 22 is bent upward.
And a plurality of longitudinal closed stirrups 33 which are distributed along the circumferential direction and wrap the ring upper rib group and the ring lower rib group are also arranged in the column expansion head 3. The upper portion of the longitudinal closed stirrup 33 goes around the upper circumferential rib group at the uppermost row, and the lower portion of the longitudinal closed stirrup 33 goes around the lower circumferential rib group at the lowermost row.
Still be equipped with a plurality of rows of axially distributed's hoop closed hoop muscle group in the column expansion head 3, every row of hoop closed hoop muscle group all includes a plurality of concentric distributed hoop closed hoop muscle 34, hoop closed hoop muscle group is located on the ring between muscle group and the ring down muscle group, the diameter and the interval of hoop closed hoop muscle 34 are unanimous with the diameter and the interval of column hoop muscle 12 (two criss-cross rectangles and the rectangle circumcision circle are column hoop muscle 12 in figure 2, this structure is the common general knowledge in this field, consequently do not specifically set forth here).
The column expansion head 3 is sleeved outside the cross steel rib circular concrete column 1 in a cylindrical shape.
The height of the column expansion head 3 is consistent with the highest height of the oblique reinforced concrete beam 2.
The utility model discloses a beam column node position of being connected at slant reinforced concrete roof beam 2 and the circular concrete column of cross reinforcing bar 1 sets up annular post enlarged footing 3, has guaranteed the effective connection of structure atress demand and beam column, has reduced the construction degree of difficulty simultaneously, guarantees the engineering quality.
Specifically, the utility model discloses utilize muscle 31 and ring down muscle 32 on a plurality of rings of post enlarged footing 3 to guarantee the effective anchor of the roof beam longitudinal muscle of slant reinforced concrete roof beam 2, and muscle 31, ring down muscle 32 and vertically seal stirrup 33, ring down seal stirrup 34 have formed one ring beam in the beam column node region, can guarantee the effective transmission of beam column atress, have guaranteed the effective connection of structure atress demand and beam column.
The utility model discloses still reduce the roof beam of slant reinforced concrete roof beam 2 and indulge muscle and cross reinforcing bar 13's welding volume, avoided welding sleeve or welded steel bar connecting plate to the interference of all the other reinforcing bars, reduce the roof beam of slant reinforced concrete roof beam 2 and indulge the condition that the muscle collides each other in cross reinforcing bar circular concrete column 1, reduce the construction degree of difficulty, have positive meaning to the construction quality who accelerates the construction progress, guarantees the engineering.
The part of the utility model not detailed is prior art.
Claims (8)
1. Circular concrete column of cross reinforcing bar and slant reinforced concrete beam's connection structure is equipped with the post in the circular concrete column of cross reinforcing bar (1) and indulges muscle (11), post stirrup (12) and cross reinforcing bar (13), is equipped with the roof beam in slant reinforced concrete beam (2) and indulges muscle, its characterized in that: including setting up column expansion head (3) at handing-over beam column node of circular concrete column of cross reinforcing bar (1) and slant reinforced concrete roof beam (2), the interior top of column expansion head (3) is equipped with muscle group on the ring of a plurality of rows of axial distributions, muscle group all includes muscle (31) on the ring of a plurality of concentric distributions on every row of ring, the interior bottom of column expansion head (3) is equipped with muscle group under the ring of a plurality of rows of axial distributions, muscle group all includes muscle (32) under the ring of a plurality of concentric distributions under every row of ring, muscle (31) and ring are all located between muscle (11) and cross reinforcing bar (13) are indulged to the post under muscle (31) and the ring on the ring of inner ring.
2. The connection structure of the cross steel reinforced circular concrete column and the oblique reinforced concrete beam as claimed in claim 1, wherein: the inner ends of the beam longitudinal ribs extend into the column expansion head (3) and extend to the edges of the cross steel ribs (13) and are bent by 90 degrees.
3. The connection structure of the cross steel reinforced circular concrete column and the oblique reinforced concrete beam as claimed in claim 2, wherein: the beam longitudinal ribs comprise beam upper longitudinal ribs (21) and beam lower longitudinal ribs (22), the beam upper longitudinal ribs (21) are located above the ring upper rib groups on the uppermost row, and the beam lower longitudinal ribs (22) are located above the ring lower rib groups on the lowermost row.
4. The connection structure of the cross steel reinforced circular concrete column and the oblique reinforced concrete beam as claimed in claim 3, wherein: the beam upper longitudinal rib (21) is bent downwards, and the beam lower longitudinal rib (22) is bent upwards.
5. The connection structure of the cross steel reinforced circular concrete column and the oblique reinforced concrete beam as claimed in claim 1, wherein: and a plurality of longitudinal closed stirrups (33) which are distributed along the circumferential direction and wrap the ring upper rib group and the ring lower rib group are also arranged in the column expansion head (3).
6. The connection structure of the cross steel reinforced circular concrete column and the oblique reinforced concrete beam as claimed in claim 5, wherein: still be equipped with a plurality of rows of axially distributed's hoop closed hoop muscle group in the column expansion head (3), every row of hoop closed hoop muscle group all includes a plurality of concentric distributed's hoop closed hoop muscle (34), and hoop closed hoop muscle group is located on the ring muscle group and encircles down between the muscle group.
7. The connection structure of the cross steel reinforced circular concrete column and the oblique reinforced concrete beam as claimed in claim 1, wherein: the column expansion head (3) is sleeved outside the cross steel rib circular concrete column (1) in a cylindrical shape.
8. The connection structure of the cross steel reinforced circular concrete column and the oblique reinforced concrete beam as claimed in claim 1, wherein: the height of the column expansion head (3) is consistent with the highest height of the oblique reinforced concrete beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021369105.1U CN213115025U (en) | 2020-07-13 | 2020-07-13 | Connection structure of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam |
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| CN202021369105.1U CN213115025U (en) | 2020-07-13 | 2020-07-13 | Connection structure of circular concrete column of cross reinforcing bar and slant reinforced concrete roof beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115726392A (en) * | 2023-01-06 | 2023-03-03 | 中建八局第二建设有限公司 | Pile cap and section steel beam steel bar arrangement structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115726392A (en) * | 2023-01-06 | 2023-03-03 | 中建八局第二建设有限公司 | Pile cap and section steel beam steel bar arrangement structure and construction method |
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