CN215166487U - Node in steel-pipe column suitable for long-span open cut underground structure - Google Patents
Node in steel-pipe column suitable for long-span open cut underground structure Download PDFInfo
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- CN215166487U CN215166487U CN202120003676.1U CN202120003676U CN215166487U CN 215166487 U CN215166487 U CN 215166487U CN 202120003676 U CN202120003676 U CN 202120003676U CN 215166487 U CN215166487 U CN 215166487U
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Abstract
The utility model discloses a node in steel-pipe column suitable for stride open cut underground structure greatly relates to underground structure engineering field, including steel-pipe column cylinder, upper strata outer crown plate, upper strata inner ring plate, bearing round pin, lower floor's outer crown plate and stiffening rib, the bearing round pin mainly comprises bearing round pin edge of a wing, board reinforcing bar connecting plate, annular bracket lower crown plate, bearing round pin web and gusset plate. The utility model discloses a node at steel-pipe column and board and roof beam sets up upper and lower floor's crown plate and bearing round pin device, provides the welding steel sheet, can strengthen the wholeness of node position, and the shear force of beam column node has been disperseed to the bearing round pin device, has avoided because stress concentration and the destruction that causes. The adoption of the steel pipe column middle joint suitable for the long-span open cut underground structure can effectively improve the bearing capacity of the joint and improve the overall stability and the safety of the underground structure.
Description
Technical Field
The utility model discloses a node in steel-pipe column suitable for stride open cut underground structure especially relates to in underground structure engineering field.
Background
The middle nodes of the steel pipe column, the plate and the beam are frequently found in the construction process of the underground structure, and the steel pipe column is not easy to become a firm whole due to small cohesive force between the steel material and the reinforced concrete.
The traditional method is that steel corbels are added under a beam or an encrypted steel bar is added between columns, local stress concentration is caused by the addition of the steel corbels, although tight fixation of beam-column joints can be realized by adding a steel bar mesh, the construction of an annular steel bar mesh is difficult, the requirement for concrete formwork pouring is high, the quality of the joints is difficult to guarantee, the construction progress is easily delayed, and the bearing capacity of the joints is limited. The above conventional methods are not suitable for large span open cut underground structures.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that exists among the correlation technique, the utility model discloses an embodiment provides a steel-pipe column well node suitable for long-span open cut underground structure. The technical scheme is as follows:
according to the utility model discloses a first aspect of embodiment provides a node means in steel-pipe column suitable for greatly stride open cut underground structure, including steel-pipe column cylinder, upper strata outer crown plate, upper strata inner ring plate, bearing round pin, lower floor outer crown plate and stiffening rib, the bearing round pin includes that bearing round pin edge of a wing, board reinforcing bar connecting plate, annular bracket lower crown plate, bearing round pin web and gusset plate constitute, bearing round pin edge of a wing, board reinforcing bar connecting plate and annular bracket lower crown plate all are perpendicular with steel-pipe column cylinder, and all are connected with steel-pipe column cylinder.
In one embodiment, the plate web comprises:
a plate steel bar connecting plate annular portion;
the flange part of the plate steel bar connecting plate is symmetrically fixed at two ends of the annular part of the plate steel bar connecting plate.
In one embodiment, the lower annular bracket plate comprises:
the annular bracket lower annular plate is an annular part;
the flange part of the lower annular plate of the annular bracket is symmetrically fixed at two ends of the annular part of the lower annular plate of the annular bracket.
In one embodiment, the bearing pin web is perpendicular to the steel pipe column body and embedded in the steel pipe column body, the bearing pin flange, the plate steel bar connecting plate and the annular bracket lower ring plate are all arranged in parallel with each other and are vertically inserted into the steel pipe column body, and the bearing pin web is perpendicular to the bearing pin flange, the plate steel bar connecting plate and the annular bracket lower ring plate respectively.
In one embodiment, the gusset plate is vertically fixed to the mutually parallel bearing pin flange, the plate web and the lower ring plate of the ring bracket, and the gusset plate is vertically fixed to the bearing pin web.
In one embodiment, the stiffening rib is positioned between the plate steel bar connecting plate and the annular bracket lower ring plate and is perpendicular to the plate steel bar connecting plate and the annular bracket lower ring plate
In one embodiment, the upper layer outer ring plate, the upper layer inner ring plate, the bearing pin flange, the plate steel bar connecting plate, the annular bracket lower ring plate and the lower layer outer ring plate are provided with exhaust holes.
The utility model discloses a technical scheme that embodiment provided can include following beneficial effect:
the middle nodes of the steel pipe column, the plate and the beam are frequently found in the construction process of the underground structure, and the steel pipe column is not easy to become a firm whole due to small cohesive force between the steel material and the reinforced concrete.
The traditional method is that steel corbels are added under a beam or an encrypted steel bar is added between columns, local stress concentration is caused by the addition of the steel corbels, although tight fixation of beam-column joints can be realized by adding a steel bar mesh, the construction of an annular steel bar mesh is difficult, the requirement for concrete formwork pouring is high, the quality of the joints is difficult to guarantee, the construction progress is easily delayed, and the bearing capacity of the joints is limited. The above conventional methods are not suitable for large span open cut underground structures.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of the node in the steel pipe column of the present invention.
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the upper layer outer ring plate of the present invention;
FIG. 4 is a schematic view of the flange of the bearing pin of the present invention;
FIG. 5 is a schematic view of the plate-reinforced joint plate of the present invention;
FIG. 6 is a schematic view of the lower ring plate of the annular bracket of the present invention;
FIG. 7 is a schematic view of the lower outer ring plate of the present invention;
fig. 8 is a schematic view of an embodiment of the present invention;
fig. 9 is a top view of an embodiment of the present invention.
Reference numerals:
1. a steel pipe column body; 2. An upper outer ring plate;
21. an upper inner ring plate; 3. A load bearing pin;
31. a bearing pin flange; 32. A plate steel bar connecting plate;
321. a plate steel bar connecting plate annular portion; 322. The plate steel bar is connected with the flange part of the plate;
33. a lower ring plate of the annular bracket; 331. The annular bracket lower annular plate is an annular part;
332. the flange part of the lower ring plate of the annular bracket; 34 load bearing pin webs;
3501. a first gusset plate; 4. A lower outer ring plate;
5. a stiffening rib; 6. Longitudinal ribs on the upper layer of the plate;
7. beam upper layer longitudinal bars; 8. Longitudinal ribs on the lower layer of the plate;
9. the lower layer longitudinal bars of the beam; 10. Node longitudinal ribs;
11. a node stirrup; 12. A beam;
1301. a first exhaust port; 1302. a first exhaust hole
1303. A third vent hole; 1304. A fourth vent hole;
1305. a fifth exhaust vent; 1306. A sixth vent hole;
3502. a second gusset plate.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The utility model discloses a technical scheme that provides relates to and is applicable to a stride greatly and openly digs steel-pipe column well node of underground structure, especially relates to the underground structure engineering field. In the related technology, the middle nodes of the steel pipe column, the plate and the beam are frequently found in the construction process of the underground structure, and the steel pipe column is not easy to become a firm whole due to the small cohesive force between the steel material and the reinforced concrete.
The traditional method is that steel corbels are added under a beam or an encrypted steel bar is added between columns, local stress concentration is caused by the addition of the steel corbels, although tight fixation of beam-column joints can be realized by adding a steel bar mesh, the construction of an annular steel bar mesh is difficult, the requirement for concrete formwork pouring is high, the quality of the joints is difficult to guarantee, the construction progress is easily delayed, and the bearing capacity of the joints is limited. The above conventional methods are not suitable for large span open cut underground structures. Based on this, the node device in the steel-pipe column suitable for long-span open cut underground structure that this disclosed technical scheme provided sets up upper strata and lower floor's crown plate and bearing pin device through the node at steel-pipe column and board and roof beam, provides the welded steel plate, can strengthen the wholeness of node position, and the bearing pin device has disperseed the shear force of beam column node, has avoided the destruction that causes because stress concentration. The adoption of the steel pipe column middle joint suitable for the long-span open cut underground structure can effectively improve the bearing capacity of the joint and improve the overall stability and the safety of the underground structure.
Fig. 1 exemplarily shows the schematic diagram of the node in the steel pipe column suitable for the large span open cut underground structure provided by the technical scheme of the present invention. According to fig. 1 to 9, the node device in the steel pipe column suitable for the large-span open cut underground structure comprises a steel pipe column body 1, an upper layer outer ring plate 2, an upper layer inner ring plate 21, a bearing pin 3, a lower layer outer ring plate 4 and a stiffening rib 5, wherein the bearing pin 3 comprises a bearing pin flange 31, a plate steel bar connecting plate 32, an annular bracket lower ring plate 33, a bearing pin web 34 and a node plate 35, and the bearing pin flange 31, the plate steel bar connecting plate 32 and the annular bracket lower ring plate 33 are all perpendicular to the steel pipe column body 1 and are all connected with the steel pipe column body 1.
The upper outer ring plate 2 is provided with a first exhaust hole 1301, the upper inner ring plate 21 is provided with a second exhaust hole 1302, 12 upper outer ring plates and 8 upper inner ring plates are uniformly arranged in a ring shape.
The bearing pin flanges 31 are embedded into the steel pipe column body 1, the two bearing pins are symmetrically arranged, the number of the exhaust holes is 12, and the third exhaust holes 1303 are formed in the bearing pin flanges 31.
In one embodiment, the web-to-web 32 includes:
plate-web annular portion 321;
plate reinforcing bar connecting plate flange part 322, plate reinforcing bar connecting plate flange part 322 symmetry is fixed in the both ends of plate reinforcing bar connecting plate annular part 322.
The plate steel bar connecting plate 32 is provided with a plurality of fourth vent holes 1304, and the plate steel bar connecting plate has 28 vent holes, wherein 16 annular parts are provided, and 12 flange parts are provided.
In one embodiment, the lower annular bracket plate 33 includes:
an annular lower bracket ring plate annular portion 331;
the flange part 332 of the lower ring plate of the annular bracket is symmetrically fixed at two ends of the annular part 331 of the lower ring plate of the annular bracket, and the lower ring plate 33 of the annular bracket is provided with fifth exhaust holes 1305, wherein the number of the exhaust holes of the lower ring plate of the annular bracket is 32, the number of the annular parts is 16, and the number of the flange parts is 16.
In one embodiment, the bearing pin web 34 is perpendicular to the steel pipe column body 1 and embedded in the steel pipe column body 1, the bearing pin flange 31, the plate steel bar connecting plate 32 and the annular bracket lower ring plate 33 are all arranged in parallel and perpendicular to the steel pipe column body 1, and the bearing pin web 34 is perpendicular to the bearing pin flange 31, the plate steel bar connecting plate 32 and the annular bracket lower ring plate 33 respectively.
In one embodiment, the upper end of the first gusset plate 3501 is secured perpendicular to the surface of the load bearing pin flange 31 and the lower end of the first gusset plate 3501 is secured perpendicular to the upper surface of the web plate 32; the lower surface of the upper end plate steel bar connecting plate 32 of the second node plate 3502 is vertically fixed, the lower end of the second node plate 3502 is vertically fixed with the surface of the annular bracket lower ring plate 33, the first node plate 3501 and the second node plate 3502 are respectively vertical to the surface of the bearing pin web plate 34, and the lower outer ring plate 4 is provided with a sixth exhaust hole 1306.
As shown in fig. 8, the present embodiment further provides a construction method for a node in a steel pipe column suitable for a long-span open cut underground structure, including the following steps:
s1: grooving a round pipe of the steel pipe column, and fixing and welding a bearing pin 3 on a cylinder body 1 of the steel pipe column; the upper layer outer ring plate 2, the upper layer inner ring plate 21, the plate steel bar connecting plate 32, the annular bracket lower ring plate 33, the lower layer outer ring plate 4 and the stiffening ribs 5 are welded on the steel pipe column body 1; the above work needs to be done in the factory.
S2: after the steel pipe column body 1 is positioned on the construction site, beam and plate steel bar welding is carried out, wherein a middle plate upper layer longitudinal rib 6 and a beam upper layer longitudinal rib 7 are welded on an upper layer outer ring plate 2, a plate lower layer longitudinal rib 8 is welded on a plate steel bar connecting plate 32, and a beam lower layer longitudinal rib is welded on a lower layer outer ring plate 4.
S3: and the node longitudinal ribs 10 and the node stirrups 11 are welded.
S4: beam 12, slab casting.
S5: concrete pouring in steel pipe column body 1
The utility model provides a welded steel plate by arranging the upper and lower ring plates and the bearing pin devices at the nodes of the steel pipe column, the plate and the beam, which can enhance the integrity of the node position and effectively improve the bearing capacity of the node; the utility model disperses the shearing force of the beam column node through the bearing pin device welded on the steel pipe column, avoids the damage caused by stress concentration, and improves the integral stability and the safety of the underground structure; the middle node of the steel pipe column in the utility model is a prefabricated component, the manufacture is simple, and the structure is reliable; the utility model discloses construction method is simple, need not to add other equipment, and construction cost is low.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (7)
1. The utility model provides a node in steel-pipe column suitable for open cut underground structure of striding greatly, includes steel-pipe column cylinder, upper strata outer crown plate, upper strata inner crown plate, bearing pin, lower floor outer crown plate and stiffening rib, its characterized in that, the bearing pin includes that bearing pin edge of a wing, board reinforcing bar connecting plate, annular bracket lower crown plate, bearing pin web and gusset plate constitute, bearing pin edge of a wing, board reinforcing bar connecting plate and annular bracket lower crown plate all are perpendicular with steel-pipe column cylinder, and all are connected with steel-pipe column cylinder.
2. The node in the steel pipe column suitable for large-span open cut underground structure of claim 1, wherein the slab-reinforced connecting plate comprises:
a plate steel bar connecting plate annular portion;
at least one pair of plate steel bar connecting plate flange parts, and at least one pair of plate steel bar connecting plate flange parts are symmetrically fixed at two ends of the annular part of the plate steel bar connecting plate.
3. The middle joint of a steel pipe column suitable for a large-span open cut underground structure according to claim 1, wherein the lower annular bracket plate comprises:
the annular bracket lower annular plate is an annular part;
the flange parts of the lower ring plate of at least one pair of annular brackets are symmetrically fixed at two ends of the annular part of the lower ring plate of the annular brackets.
4. The steel pipe column middle node suitable for the large-span open cut underground structure according to claim 1, wherein the bearing pin web is perpendicular to the steel pipe column body and embedded in the steel pipe column body, the bearing pin flange, the plate steel bar connecting plate and the annular bracket lower ring plate are all arranged in parallel and are vertically inserted into the steel pipe column body, and the bearing pin web is perpendicular to the bearing pin flange, the plate steel bar connecting plate and the annular bracket lower ring plate respectively.
5. The middle node of a steel pipe column suitable for a large-span open cut underground structure according to claim 1, wherein the node plate is vertically fixed with a bearing pin flange, a plate steel bar connecting plate and a lower annular plate of an annular bracket which are parallel to each other, and the node plate is vertically fixed with a bearing pin web plate.
6. The middle node of a steel pipe column suitable for a large-span open-cut underground structure according to claim 1, wherein the stiffening rib is located between the plate steel bar connecting plate and the annular bracket lower ring plate and is perpendicular to the plate steel bar connecting plate and the annular bracket lower ring plate.
7. The middle node of a steel pipe column suitable for a large-span open cut underground structure according to claim 1, wherein the upper layer outer ring plate, the upper layer inner ring plate, the bearing pin flange, the plate steel bar connecting plate, the annular bracket lower ring plate and the lower layer outer ring plate are provided with exhaust holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120003676.1U CN215166487U (en) | 2021-01-04 | 2021-01-04 | Node in steel-pipe column suitable for long-span open cut underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120003676.1U CN215166487U (en) | 2021-01-04 | 2021-01-04 | Node in steel-pipe column suitable for long-span open cut underground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215166487U true CN215166487U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120003676.1U Active CN215166487U (en) | 2021-01-04 | 2021-01-04 | Node in steel-pipe column suitable for long-span open cut underground structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN215166487U (en) |
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2021
- 2021-01-04 CN CN202120003676.1U patent/CN215166487U/en active Active
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