CN213329673U - Novel narrow-flange I-shaped steel concrete transfer beam - Google Patents
Novel narrow-flange I-shaped steel concrete transfer beam Download PDFInfo
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- CN213329673U CN213329673U CN202021870772.8U CN202021870772U CN213329673U CN 213329673 U CN213329673 U CN 213329673U CN 202021870772 U CN202021870772 U CN 202021870772U CN 213329673 U CN213329673 U CN 213329673U
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Abstract
The utility model relates to a novel narrow edge of a wing I-steel concrete conversion roof beam, it includes that the level is fixed at the peripheral steel framework between two frame pillars, be provided with narrow edge of a wing I-steel member in the peripheral steel framework, narrow edge of a wing I-steel member is followed in peripheral steel framework length direction extends and both ends anchor respectively go into two frame pillars, narrow edge of a wing I-steel member includes two flange boards parallel with the horizontal plane and the web between two flange boards of vertical fixation. This application has the effect of improving the problem that engineering cost promoted by a wide margin.
Description
Technical Field
The application relates to the field of building structures, in particular to a novel narrow-flange I-shaped steel concrete conversion beam.
Background
At present, because of the requirement of building functions, the lower part of the vertical member is large in space, the vertical member of the upper part cannot directly and continuously run through and fall to the ground, but the vertical member of the upper part needs to be connected with the vertical member of the lower part through a horizontal conversion structure such as a conversion beam, when the arranged conversion beam supports the shear wall of the upper part, the conversion beam is called a frame support beam, and a column for supporting the frame support beam is called a frame support column.
In the related technology, a section steel concrete composite beam is used as a conversion beam, a section steel concrete structure is a composite structure formed by embedding section steel into reinforced concrete, and the section steel concrete structure is an organic whole formed by pouring concrete after a proper amount of transverse and longitudinal reinforcing steel bars are arranged on the periphery of the section steel and finally concrete, the section steel, the reinforcing steel bars and column stirrups. The section steel has inherent strength and ductility due to the addition of the section steel to the reinforced concrete.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the shaped steel flange width, in order to realize being connected of post and girder steel part, need also make shaping steel concrete combination post with the post to make the cost promote by a wide margin.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that engineering cost promoted by a wide margin, this application provides a novel narrow edge of a wing I-steel concrete conversion roof beam.
The application provides a novel narrow edge of a wing I-steel concrete conversion roof beam adopts following technical scheme:
the utility model provides a novel narrow edge of a wing I-steel concrete conversion roof beam, includes that the level is fixed at the peripheral steel framework between two frame pillars, be provided with narrow edge of a wing I-steel member in the peripheral steel framework, narrow edge of a wing I-steel member is followed in peripheral steel framework length direction extends and both ends anchor respectively go into two frame pillars, narrow edge of a wing I-steel member includes two flange boards parallel with the horizontal plane and the web between two flange boards of vertical fixation.
By adopting the technical scheme, the I-shaped steel member with the over-narrow flange is embedded into the peripheral steel bar framework, the conversion beam is made into the I-shaped steel beam, the two ends of the I-shaped steel member with the narrow flange and the two ends of the peripheral steel bar framework are anchored into the frame pillar together, so that the connection between the steel beam and the frame pillar is realized, meanwhile, the flange plate of the I-shaped steel member with the narrow flange is parallel to the horizontal plane, the web plate is used for shearing resistance, and the bending resistance of the beam is realized by completely utilizing the bending resistance of reinforced concrete without utilizing the flange of the I-shaped steel. Under the premise, the flange width of the narrow-flange I-shaped steel component is greatly reduced, and the pure shear anchoring requirement of the I-shaped steel beam is much lower than the bending anchoring requirement, so that the narrow-flange I-shaped steel component can be anchored into a reinforced concrete column, a frame pillar does not need to be made into a formed steel concrete combined column, and the problem that the engineering cost is greatly improved is solved.
Preferably, a plurality of first transverse steel bars which are horizontally arranged are arranged in the peripheral steel bar framework, the first transverse steel bars are perpendicular to the length direction of the peripheral steel bar framework, and the plurality of first transverse steel bars are distributed along the length direction of the peripheral steel bar framework; the narrow flange I-shaped steel member is erected on the first transverse steel bars.
By adopting the technical scheme, the first transverse steel bar supports the narrow-flange I-shaped steel member, the first steel bar provides supporting force for the narrow-flange I-shaped steel member, so that a constructor can fix the narrow-flange I-shaped steel member in subsequent operation conveniently, and the first transverse steel bar is also favorable for improving the rigidity of the I-shaped steel beam.
Preferably, the upper end face of the narrow-flange I-shaped steel member is provided with a plurality of limiting rings distributed along the length direction of the narrow-flange I-shaped steel member, and a plurality of second transverse steel bars respectively penetrating through the limiting rings are arranged in the peripheral steel bar framework.
Through adopting above-mentioned technical scheme, pass the spacing ring that corresponds with the horizontal reinforcing bar of second to the accessible is fixed the horizontal reinforcing bar of second on peripheral steel framework, thereby restricts the removal of narrow edge of a wing I-steel component on peripheral I-steel length direction, is favorable to fixing a position narrow edge of a wing I-steel component.
Preferably, a plurality of vertical stiffening ribs are fixed between the two flange plates and arranged on two sides of the web plate respectively, the vertical stiffening ribs are fixed with the web plate, and the flange plates, the web plate and the vertical stiffening ribs are arranged in a pairwise perpendicular mode.
Through adopting above-mentioned technical scheme, be fixed in between two flange boards vertical stiffening rib, be favorable to improving the stability and the antitorque performance of narrow edge of a wing I-shaped steel member.
Preferably, a plurality of longitudinal steel bars are respectively arranged on two sides of the web plate, and the longitudinal steel bars positioned on the same side are distributed along the vertical direction; two ends of the longitudinal steel bar are respectively anchored into the two frame struts; the longitudinal steel bars penetrate through a plurality of vertical stiffening ribs on the same side along the length direction parallel to the narrow flange I-shaped steel member.
By adopting the technical scheme, the longitudinal steel bars on two sides of the web plate firstly penetrate through the vertical stiffening ribs and then are anchored into the frame support, so that the movement of the narrow-flange I-shaped steel component in the width direction of the peripheral I-shaped steel is limited, and the narrow-flange I-shaped steel component is favorably positioned. The longitudinal steel bars extend along the length direction of the peripheral steel bar frame, and the bending resistance of the I-shaped steel beam is improved.
Preferably, a plurality of tie bars distributed along the length direction of the narrow-flange I-shaped steel member are arranged between each longitudinal steel bar and the peripheral steel bar framework.
By adopting the technical scheme, the longitudinal steel bars and the peripheral steel bar framework are connected through the tie bars, the stability of the narrow-flange I-shaped steel member is further improved, the situation that the position of the narrow-flange I-shaped steel member deviates when concrete is poured is favorably reduced, and meanwhile, the tie bars are embedded into the I-shaped steel concrete beam together, so that the rigidity of the I-shaped steel concrete beam is favorably improved.
Preferably, a plurality of through holes for column hoops to penetrate are formed in the two ends of the web anchoring frame support, and the end portion of the web and the frame support are bound and fixed through the column hoops.
Through adopting above-mentioned technical scheme, the post stirrup winding ligature that will pass the through-hole setting is fixed in the frame pillar outside, is favorable to improving the connectivity of narrow edge of a wing I-steel member and frame pillar, is favorable to improving the narrow edge of a wing I-steel member steadiness.
Preferably, a plurality of tie bars connected to the same longitudinal bar are distributed at equal intervals along the length direction of the longitudinal bar.
Through adopting above-mentioned technical scheme to make drawknot muscle rational distribution in peripheral steel framework, reduced the condition that appears connecting weak area between peripheral steel framework and the vertical reinforcing bar, be favorable to improving the stability of I-steel.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the narrow-flange I-shaped steel members in the peripheral steel bar framework are anchored into the frame support columns, webs of I-shaped steel are used for shearing resistance, and the flange widths of the narrow-flange I-shaped steel members are greatly reduced, so that the narrow-flange I-shaped steel members can be anchored into the reinforced concrete columns, the frame support columns do not need to be made into formed steel concrete combined columns, and the problem of great improvement of engineering construction cost is solved;
2. after the longitudinal steel bars penetrate through the stiffening ribs on the web plate and are anchored into the frame pillars, the longitudinal steel bars and the peripheral steel bar frames are connected through the tie bars, so that the position of the narrow-flange I-shaped steel member is reduced when the narrow-flange I-shaped steel member is subjected to deviation during concrete pouring, and the rigidity of the I-shaped steel-coupled concrete beam is improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 2 is a schematic structural diagram of a narrow-flange I-shaped steel member in the embodiment of the application.
Fig. 3 is an enlarged schematic view at a in fig. 1.
Fig. 4 is an enlarged schematic view at B in fig. 1.
Description of reference numerals: 1. a peripheral steel bar frame; 2. a frame support; 3. a narrow flange I-shaped steel member; 31. a flange plate; 311. a limiting ring; 32. a web; 321. a through hole; 33. a stiffening rib; 34. longitudinal reinforcing steel bars; 4. a column stirrup; 5. stretching the ribs; 6. a second transverse reinforcement bar; 7. a first transverse reinforcement bar; 8. and (4) beam stirrups.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a novel narrow-flange I-steel concrete conversion beam. Referring to fig. 1 and 2, the novel narrow-flange i-steel concrete conversion beam comprises a peripheral steel reinforcement frame 1 horizontally fixed between two frame struts 2, and a plurality of beam stirrups 8 are bound and fixed on the outer side of the peripheral steel reinforcement frame 1. A narrow flange I-shaped steel component 3 is arranged in the peripheral steel bar framework 1, the narrow flange I-shaped steel component 3 extends along the length direction of the peripheral steel bar framework 1, and two ends of the narrow flange I-shaped steel component are respectively anchored into the two frame pillars 2. The narrow flange i-steel member 3 includes two flange plates 31 parallel to a horizontal plane and a web 32 vertically fixed between the two flange plates 31. The width of the flange plate 31 is 120mm and the height of the web plate 32 is 800 mm. The distance between the upper flange plate 31 and the upper end of the peripheral reinforcing frame 1 is 150mm, and the distance between the lower flange plate 31 and the lower end of the peripheral reinforcing frame 1 is also 150 mm. Therefore, the flange width of the narrow flange I-shaped steel component 3 is greatly reduced, the narrow flange I-shaped steel component can be anchored into a reinforced concrete column, the frame support 2 does not need to be a formed steel concrete combined column, and the problem that the construction cost is greatly improved is favorably solved.
Referring to fig. 2 and 3, a plurality of first horizontal steel bars 7 horizontally arranged are arranged in the peripheral steel bar framework 1, the first horizontal steel bars 7 are perpendicular to the length direction of the peripheral steel bar framework 1, and the first horizontal steel bars 7 are bound on the peripheral steel bar framework 1. The plurality of first transverse steel bars 7 are distributed at equal intervals along the length direction of the peripheral steel bar framework 1. The narrow flange I-shaped steel component 3 is erected on a plurality of first transverse reinforcing steel bars 7. The distance between the first transverse steel bars 7 and the lower end of the peripheral steel bar framework 1 is 150mm, the first steel bars are used for erecting the narrow-flange I-shaped steel member 3, so that a constructor can conveniently fix the narrow-flange I-shaped steel member 3 in subsequent operation, and the rigidity of the I-shaped steel beam is improved by the first transverse steel bars 7.
Referring to fig. 2 and 3, a plurality of limiting rings 311 are fixed on the upper end surface of the upper flange plate 31 of the narrow flange i-steel member 3 and are distributed at equal intervals along the length direction of the narrow flange i-steel member 3. A plurality of second transverse steel bars 6 horizontally arranged through the limiting rings 311 are arranged in the peripheral steel bar framework 1. The second transverse steel bar 6 is parallel to the first transverse steel bar 7, the second transverse steel bar 6 is bound on the peripheral steel bar framework 1, and the distance between the second transverse steel bar 6 and the upper end of the peripheral steel bar framework 1 is 150 mm. Through the grafting of second transverse reinforcement 6 with spacing ring 311, and then carry out peripheral steel framework 1 length direction's removal restriction to narrow edge of a wing I-steel component 3, be favorable to fixing a position narrow edge of a wing I-steel component 3.
Referring to fig. 2 and 3, a plurality of vertical stiffeners 33 are welded and fixed between the two flange plates 31 and are respectively arranged at two sides of the web plate 32. The vertical stiffeners 33 are located at the junction of the frame struts 2 and the peripheral steel frames 1. Vertical stiffener 33 is towards one side of web 32 and web 32 full weld fixed, and two liang of perpendicular settings of flange board 31, web 32 and vertical stiffener 33 three, the setting of stiffener 33 has improved the stability and the anti-torque performance of narrow flange I-steel member 3.
Referring to fig. 2 and 3, a plurality of longitudinal steel bars 34 are respectively arranged on two sides of the web 32, and the longitudinal steel bars 34 extending in the length direction and located on the same side are distributed along the vertical direction; two ends of the longitudinal steel bar 34 are respectively anchored into the two frame struts 2 and welded with the steel bar frameworks of the frame struts 2; the longitudinal steel bars 34 are arranged through the vertical stiffening ribs 33 on the same side along the length direction parallel to the narrow flange I-shaped steel member 3. There is a gap between the longitudinal rebars 34 and the web 32. A plurality of tie bars 5 distributed along the length direction of the narrow-flange I-shaped steel component 3 are connected between each longitudinal steel bar 34 and the peripheral steel bar frame 1, and one end of each tie bar 5 is hooked on the longitudinal steel bar 34 and fixed by spot welding. The other end is hooked on the longitudinal steel bar of the peripheral steel bar frame 1 and fixed by spot welding. The plurality of tie bars 5 of the same longitudinal steel bar 34 are distributed at equal intervals along the length direction of the longitudinal steel bar 34. The stability of the narrow-flange I-shaped steel component 3 is further improved, the situation that the position of the narrow-flange I-shaped steel component 3 deviates when concrete is poured is favorably reduced, and meanwhile, the tie bars 5 are embedded into the I-shaped steel concrete beam together, so that the rigidity of the I-shaped steel concrete beam is favorably improved.
Referring to fig. 2 and 4, the web 32 penetrates through a plurality of through holes 321 for the column stirrups 4 to pass through along the thickness direction of the web, the through holes 321 are uniformly distributed at two ends of the web 32 anchored in the frame support column 2, and the column stirrups 4 penetrate through the through holes 321 of the web 32 and are bound around the outside steel bars of the frame support column 2. The diameter dimension of the through hole 321 is larger than that of the column stirrup 4 by 1 cm. Facilitating the passage of the post stirrup 4 through the through hole 321.
The implementation principle of the novel narrow-flange I-steel concrete conversion beam provided by the embodiment of the application is as follows:
when the conversion beam is constructed, firstly, bottom surface steel bars and side surface steel bars of the peripheral steel bar framework 1 are anchored and bound and fixed in the two frame upright columns, then, the plurality of first transverse steel bars 7 are bound and fixed on the side surface steel bars of the peripheral steel bar framework 1, and then, two ends of the narrow-flange I-shaped steel component 3 are respectively anchored into the two frame upright columns and are simultaneously erected on the first transverse steel bars 7, so that the subsequent positioning construction process of the narrow-flange I-shaped steel component 3 is facilitated.
Then, the longitudinal steel bars 34 pass through the openings in the vertical stiffening ribs 33 and are anchored to the frame struts 2, the longitudinal steel bars 34 and the steel bars of the frame struts 2 are fixed in a butt welding mode, and meanwhile, a plurality of second transverse steel bars 6 pass through the corresponding limiting rings 311 and are bound and fixed with the side steel bars of the peripheral frame, so that the narrow-flange I-shaped steel member 3 is positioned and installed. The stability of the narrow flange I-shaped steel component 3 is improved.
And then, the tie bars 5 are used for connecting and fixing the side reinforcing steel bars of the peripheral reinforcing steel bar frame 1 and the longitudinal reinforcing steel bars 34 on the narrow-flange I-shaped steel component 3 in a spot welding manner, so that the stability of the narrow-flange I-shaped steel component 3 is improved.
Then, the top surface reinforcing steel bars of the peripheral reinforcing steel bar framework 1 are anchored, bound and fixed on the frame support posts 2, and bound and fixed at the outer side of the formed peripheral reinforcing steel bar framework 1 by beam stirrups 8.
Finally, the column hooping 4 is inserted into the through hole 321 of the web plate 32 and bound and fixed on the outside steel bar of the frame pillar 2, which is beneficial to improving the connection stability of the narrow-flange I-steel member 3 and the frame pillar 2, the narrow-flange I-steel member 3 in the peripheral steel frame 1 is anchored and bound and fixed in the frame pillar 2, and the flange width of the narrow-flange I-steel member 3 is greatly reduced compared with the width of the steel flange, so that the narrow-flange I-steel member can be anchored into the reinforced concrete column, the frame pillar 2 is not required to be a formed steel concrete combined column, and the problem of greatly improving the engineering cost is facilitated.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a novel narrow edge of a wing I-steel concrete transfer beam which characterized in that: fix peripheral steel framework (1) between two frame posts (2) including the level, be provided with narrow flange I-shaped steel member (3) in peripheral steel framework (1), narrow flange I-shaped steel member (3) are followed in peripheral steel framework (1) length direction extends and both ends anchor respectively go into two frame posts (2), narrow flange I-shaped steel member (3) include two flange boards (31) parallel with the horizontal plane and web (32) between two flange boards (31) of vertical fixation.
2. The novel narrow-flange I-steel concrete transfer beam of claim 1, characterized in that: a plurality of first transverse steel bars (7) which are horizontally arranged are arranged in the peripheral steel bar framework (1), the first transverse steel bars (7) are vertical to the length direction of the peripheral steel bar framework (1), and the plurality of first transverse steel bars (7) are distributed along the length direction of the peripheral steel bar framework (1); the narrow flange I-shaped steel member (3) is erected on the first transverse steel bars (7).
3. The novel narrow-flange I-steel concrete transfer beam of claim 2, characterized in that: narrow edge of a wing I-shaped steel member (3) up end is provided with spacing ring (311) that a plurality of distributes along narrow edge of a wing I-shaped steel member (3) length direction, be provided with in peripheral steel framework (1) a plurality of roots and wear to locate second transverse reinforcement (6) that a plurality of spacing ring (311) set up respectively.
4. The novel narrow-flange I-steel concrete transfer beam of claim 1, characterized in that: two be fixed with a plurality of roots between flange board (31) and put vertical stiffening rib (33) of web (32) both sides, vertical stiffening rib (33) are fixed with web (32), flange board (31), web (32) and two liang of perpendicular settings of vertical stiffening rib (33) three.
5. The novel narrow-flange I-steel concrete transfer beam of claim 4, characterized in that: a plurality of longitudinal steel bars (34) are respectively arranged on two sides of the web plate (32), and the longitudinal steel bars (34) positioned on the same side are distributed along the vertical direction; two ends of the longitudinal steel bar (34) are respectively anchored into the two frame struts (2); the longitudinal steel bars (34) penetrate through the vertical stiffening ribs (33) on the same side along the length direction parallel to the narrow flange I-shaped steel member (3).
6. The novel narrow-flange I-steel concrete transfer beam of claim 5, characterized in that: a plurality of tie bars (5) distributed along the length direction of the narrow-flange I-shaped steel member (3) are arranged between each longitudinal steel bar (34) and the peripheral steel bar framework (1).
7. The novel narrow-flange I-steel concrete transfer beam of claim 1, characterized in that: the both ends of web (32) anchor income frame pillar (2) are run through and are had through-hole (321) that a plurality of supplied post stirrup (4) to pass, the tip of web (32) is fixed through post stirrup (4) ligature with frame pillar (2).
8. The novel narrow-flange I-steel concrete transfer beam of claim 6, characterized in that: and a plurality of tie bars (5) connected to the same longitudinal steel bar (34) are distributed at equal intervals along the length direction of the longitudinal steel bar (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870772.8U CN213329673U (en) | 2020-08-31 | 2020-08-31 | Novel narrow-flange I-shaped steel concrete transfer beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870772.8U CN213329673U (en) | 2020-08-31 | 2020-08-31 | Novel narrow-flange I-shaped steel concrete transfer beam |
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| Publication Number | Publication Date |
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| CN213329673U true CN213329673U (en) | 2021-06-01 |
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| CN202021870772.8U Active CN213329673U (en) | 2020-08-31 | 2020-08-31 | Novel narrow-flange I-shaped steel concrete transfer beam |
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