CN217580551U - Partially-assembled self-resetting friction energy dissipation node capable of being installed quickly - Google Patents
Partially-assembled self-resetting friction energy dissipation node capable of being installed quickly Download PDFInfo
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- CN217580551U CN217580551U CN202221599514.XU CN202221599514U CN217580551U CN 217580551 U CN217580551 U CN 217580551U CN 202221599514 U CN202221599514 U CN 202221599514U CN 217580551 U CN217580551 U CN 217580551U
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- 239000011513 prestressed concrete Substances 0.000 claims abstract description 16
- 238000005265 energy consumption Methods 0.000 claims abstract description 13
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Abstract
The utility model discloses a part-assembled self-resetting friction energy dissipation node which can be quickly installed, wherein high-strength concrete is poured inside a steel pipe to form a steel pipe concrete column; the outer side wall of the steel pipe is provided with a bracket, and a prestressed concrete beam is placed on the bracket; the front end of the bottom of the prestressed concrete beam is provided with a connection area perforated plate, a connection area side plate, a connection area fixed plate and a connection area upper end plate; the node area bolt penetrates through the connection area perforated plate and the connection area fixing plate; the rear side of the connecting area fixing plate is provided with a square front end plate, a side end plate, an upper end plate and a rear end plate; an energy consumption area force transfer plate is arranged between the square front end plate and the rear end plate; the bottom of the prestressed concrete beam is provided with lower longitudinal bars, a plurality of lower longitudinal bars are arranged side by side, both sides of the lower longitudinal bars are provided with prestressed bars, and the end parts of the prestressed bars penetrate through the rear end plate; and pouring concrete on the upper longitudinal bar at the top of the prestressed concrete beam through the open hole to form a floor slab composite part.
Description
Technical Field
The utility model belongs to the technical field of structural engineering, specifically belong to a but partial assembled self-resetting friction power consumption node of quick installation.
Background
The assembly type building is a novel building production mode which is characterized by taking component factory prefabricated production and field assembly type installation as modes, taking standardized design, factory production, assembly construction, integrated decoration and informatization management as characteristics, integrating various business fields such as research and development design, production and manufacture, field assembly and the like, and realizing sustainable development of building products with energy conservation, environmental protection and maximum full-period value. The fabricated node is of great importance to the overall performance and the earthquake-resistant performance of the whole building, and the unreasonable node design can cause the building to be seriously damaged or even toppled under the earthquake action. Common fabricated buildings mainly comprise prefabricated fabricated concrete structures, steel structures, modern wood structure buildings and the like, the traditional fabricated concrete structures are connected by adopting sleeve slurry or mechanical connection, the requirement on construction precision is high, the construction is complex, and the quality is difficult to guarantee; in a common assembly type structure, the problems of large steel consumption, high manufacturing cost, fire prevention, corrosion and the like are difficult to solve; the modern wood structure building has the problems of material corrosion, insufficient bearing capacity and the like, and is difficult to be suitable for high-rise buildings. Compared with the common assembly form, the rapid-installation high-strength concrete filled steel tubular column-precast concrete beam connecting node connecting frame is popularized and applied in the assembly type building, the construction efficiency and the industrialization level of the building can be obviously improved, and the industrial development requirement of the building in China is completely met.
At present, in common civil and industrial buildings, a concrete filled steel tube column and a concrete beam are usually connected in a cast-in-place mode or are completely assembled, the problems of large section design, low bearing capacity, low construction efficiency, long maintenance period, poor anti-seismic performance and the like of the concrete beam exist, and the overall performance and the anti-seismic performance of the structure are difficult to guarantee by the frame in the structural form.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a but partial assembled self-reset friction power consumption node of quick installation, this novel node can show the efficiency of construction, cross-section bearing capacity, the power consumption ability that promote assembly type structure and from the reset ability. The utility model discloses can effectively improve traditional cast-in-place formula or complete assembly type steel pipe concrete-concrete beam node by the not enough "thick Liang Panzhu" that causes of material strength, residual deformation is too big, the efficiency of construction is low, wholeness ability and anti-seismic performance subalternation problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a part assembling type self-resetting friction energy dissipation node capable of being rapidly installed comprises a prestressed concrete beam, brackets and steel pipes;
pouring high-strength concrete inside the steel tube to form a steel tube concrete column;
the outer side wall of the steel pipe is provided with a bracket, and a prestressed concrete beam is placed on the bracket;
the front end of the bottom of the prestressed concrete beam is provided with a connection area perforated plate, a connection area side plate, a connection area fixed plate and a connection area upper end plate; the connecting area perforated plate, the connecting area side plate, the connecting area fixing plate and the connecting area upper end plate form a rectangular structure; a node area bolt penetrates through the connection area perforated plate and the connection area fixing plate and is screwed and fixed by a nut;
the rear side of the connecting area fixing plate is provided with a square front end plate, a side end plate, an upper end plate and a rear end plate; the square front end plate, the side end plate, the upper end plate and the rear end plate form a rectangular structure; an energy consumption area force transfer plate is arranged between the square front end plate and the rear end plate;
the bottom of the prestressed concrete beam is provided with lower longitudinal bars, a plurality of lower longitudinal bars are arranged side by side, two sides of each lower longitudinal bar are provided with prestressed bars, and the end parts of the prestressed bars penetrate through the rear end plate;
and pouring concrete on the upper longitudinal bar at the top of the prestressed concrete beam through the open hole to form a floor slab composite part.
Preferably, the steel pipe is provided with a stiffening plate at the opening.
Preferably, the strength grade of the steel pipe is not lower than Q420.
Preferably, the strength grade of the high-strength concrete is not lower than C60.
Preferably, the lower longitudinal rib penetrates through the connecting part of the rear end plate and is provided with a gasket.
Preferably, the tendon is mounted to the spacer using a post-tensioning method.
Preferably, the steel pipe is connected with the bracket by welding.
Preferably, the lower longitudinal ribs are connected with the rear end plate by welding.
Preferably, brass plates are arranged on two sides of the energy consumption area force transmission plate and fixed on the energy consumption area force transmission plate through bolts.
Preferably, the square front end plate, the side end plate, the upper end plate and the rear end plate form a rectangular structure through welding.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a but partial assembled from restoring to throne friction power consumption node of quick installation sets up friction power consumption connecting piece and prestressing tendons through the position of being connected at prestressed concrete roof beam and steel pipe, and the friction power consumption connecting piece of rectangle structure can effectively overcome traditional cast-in-place formula or complete assembly formula steel core concrete column-concrete beam cross-sectional design great, the bearing capacity is low, the efficiency of construction is low, maintenance cycle is long and anti-seismic performance subalternation problem. The self-resetting friction energy dissipation device is arranged at the bottom of the precast concrete beam, and the anti-seismic performance of the frame is increased. By adopting the novel section form and the node construction scheme, the construction efficiency and the structural performance of the novel mixed structure of the concrete filled steel tubular column and the precast concrete beam can be effectively improved, and the concrete filled steel tubular column and the precast concrete beam have better economic benefit and technical advantage when being applied to modern civil buildings, industrial buildings, special buildings and other multi-layer important buildings.
The utility model discloses a partly assembled installation can improve the efficiency of construction, and the lapping effect of bracket can promote machinery's availability factor, can guarantee node or frame construction's anti-seismic performance from the connection form of the friction power consumption node that restores to the throne.
The high-strength steel and the high-strength concrete adopted by the high-strength steel pipe concrete can overcome the problem that the section is too large due to insufficient strength of the traditional material, and the high-strength steel has a large constraint effect on the core concrete, can fully exert the bearing capacity of the high-strength material, and is favorable for reducing the problems of use of building materials, overhigh construction cost and the like. This kind of node has the outsourcing steel corbel, can realize convenient construction after the quick hoist and mount, improves the efficiency of construction of on-the-spot machinery, opens the hole at node core area steel pipe, can realize that post inner concrete and post-cast section concrete once pour integrated into one piece, is favorable to promoting the wholeness ability of structure.
Drawings
FIG. 1 is a schematic diagram of a quick-install, partially assembled, self-resetting, friction dissipating node;
FIG. 2 is a schematic diagram of a high strength steel pipe concrete column and an externally wrapped corbel configuration;
FIG. 3 is a schematic view of a precast concrete beam construction;
FIG. 4 is a schematic cross-sectional view of a quick-install, partially assembled, self-resetting friction dissipating node;
FIG. 5 is a bottom plan view of a quick-install, self-resetting friction dissipating node;
FIG. 6 is a detailed view of the joint connection;
FIG. 7 is a schematic view of a force transfer plate in an energy consumption zone;
fig. 8 is a schematic view of a brass plate.
In the drawings: a floor slab overlapping section 1; prefabricating a concrete beam 2; wrapping a steel corbel 3; a brass plate 4; a bolt 5; 6, high-strength concrete; a steel pipe 7; a square front end plate 8; side end plates 9; an upper end plate 10; a rear end plate 11; a connecting region side plate 12; a spacer 13; the tendon 14; a nut 15; a power transmission plate 16 in the energy consumption area; a connection region fixing plate 17; an opening 18; node region bolts 19; a stiffening plate 20; a connection region opening plate 21; post-cast strip concrete 22; upper longitudinal ribs 23; lower longitudinal ribs 24; an upper end plate 25 at the connection region; bolt holes 26.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are intended to be illustrative rather than restrictive.
As shown in fig. 1, the utility model discloses a but partial assembled self-resetting friction power consumption node of quick installation comprises high strength steel core concrete column, precast concrete beam 2, outsourcing steel corbel 3, friction power consumption connecting piece and prestressing tendons 14. The high-strength steel pipe concrete consists of a steel pipe 7 and high-strength concrete 6; the precast concrete beam 2 is precast and formed in batches by a factory and shares an upper longitudinal bar 23 which passes through the opening 18 of the node core area with the cast-in-place floor slab superposed part 1; the steel bracket 3 and the steel pipe 7 are welded firmly and can be used as a template for casting the post-cast strip concrete 22.
The strength grade of the steel tube 7 of the high-strength square steel tube concrete column is not lower than Q420, and the strength grade of the high-strength concrete 6 is not lower than C60.
As shown in fig. 2, the stiffening plate 20 is disposed at the opening 18 of the upper longitudinal rib 23 in the node core region, so as to effectively reduce the adverse effect of the opening on the pipe wall.
The outsourcing steel corbel 3 adopts welded connection with the steel pipe 7, can act as the template of post-cast strip concrete, and the bottom plate of outsourcing steel corbel 3 can play the effect of placing precast concrete beam temporarily.
As shown in fig. 3 and 4, the precast concrete girder 2 effectively transfers the load of the lower longitudinal bar 24 of the girder to the square rear end plate 11 by welding, and then, welded to the rear end plate 11 are the upper end plate 10 and the energy consumption area force transfer plate 16. And a side end plate 9, a square front end plate 8, a connecting area fixing plate 17, a connecting area side plate 12, a connecting area upper end plate 25 and the like are welded at the bottom of the beam and are responsible for transmitting load to the node area bolts 19. The square front end plate 8, the side end plate 9, the upper end plate 10 and the rear end plate 11 form a rectangular structure.
As shown in fig. 5 to 8, the upper longitudinal bars 23 in the floor slab overlapped part 1 penetrate through the node core area openings 18, and the high-strength concrete 6 and the beam end post-cast strip concrete 22 can bear the upper load of the beam end together after casting.
The node area bolt 19 passes through the bolt hole 26 of the node core area, the connection area opening plate 21 and the connection area fixing plate 17 and is fastened and fixed by the nut 15.
The brass plate 4 is fixed on the energy consumption area force transfer plate 16 by bolts 5, and energy consumption is carried out through reciprocating sliding friction between the brass plate 4 and the energy consumption area force transfer plate 16, so that the energy consumption capacity of the whole structure is improved.
The bottom of the prestressed concrete beam 2 is provided with a lower longitudinal bar 24, a plurality of lower longitudinal bars 24 are arranged side by side, two sides of the lower longitudinal bar 24 are provided with prestressed bars 14, and the end parts of the prestressed bars 14 penetrate through the rear end plate 11; the prestressed tendons 14 are mounted on the spacers 13 by a post-tensioning method, so that residual deformation generated under the action of an earthquake is reduced.
The utility model discloses a partial assembled from friction power consumption node that restores to throne that can install fast, the construction order is that steel pipe 7 and 3 scene erections of outsourcing steel corbel, secondly hoist and mount precast concrete beam 2, then passes node area bolt 19 the regional bolt hole 26 of node core, joining region trompil board 21 and joining region fixed plate 17, can carry out the hoist and mount work of other components afterwards, does not influence hoist and mount machinery's availability factor. When waiting to install completely, can adopt nut 15 to screw up fixedly, indulge muscle 23 with upper portion again and pass bolt hole 16 to pour high-strength concrete 6 and post-cast strip concrete 22, pour cast-in-place floor coincide part 1 at last, this utility model is suitable for a structure that requires higher to build fast, mechanical utilization rate height, structure wholeness ability and anti-seismic performance.
The utility model provides a self-resetting node of a partially assembled high-strength steel pipe concrete column and a precast concrete beam, which can be quickly installed, and can meet the overall performance and the anti-seismic performance between the beams and the columns under the condition of quickly hoisting beam and column components; novel connected node adopts the thin wall square steel pipe concrete column that excels in, adopts square cross section form, and thin wall steel that excels in can show the restraint effect and the anti bucking ability that strengthen the steel pipe to at the inside high strength concrete that pours into of steel pipe, make the bearing capacity in cross-section obtain showing and promote.
The prestressed tendons 14 at the bottom of the precast concrete beam are installed by adopting a post-tensioning method, so that larger residual deformation can be recovered, and the building collapse caused by overlarge deformation under the action of an earthquake is avoided.
The U-shaped bracket is arranged at the connecting position of the steel pipe concrete column and the precast concrete beam 2, so that the beam is put on the bracket in the hoisting process, the beam column can be hoisted quickly, the bracket can replace a post-cast concrete formwork, and the overall building speed of the fabricated building is increased.
The bolts 5 are arranged at the joints and penetrate through the core area of the joints and the steel plates at the bottoms of the precast concrete beams, and the joints and the concrete filled steel tubular columns are firmly connected by screwing the bolts, so that the quick lap joint and installation of the whole frame are realized.
And a wet connection scheme is adopted at the upper part of the node, the upper longitudinal ribs 23 penetrate through the core area of the node, concrete is poured in situ, construction can be continued after short-term maintenance, and the integral performance of the structure is enhanced.
Claims (10)
1. A part assembling type self-resetting friction energy consumption node capable of being quickly installed is characterized by comprising a prestressed concrete beam (2), a bracket (3) and a steel pipe (7);
high-strength concrete (6) is poured inside the steel tube (7) to form a steel tube concrete column;
the outer side wall of the steel pipe (7) is provided with a bracket (3), and a prestressed concrete beam (2) is placed on the bracket (3);
the front end of the bottom of the prestressed concrete beam (2) is provided with a connecting area perforated plate (21), a connecting area side plate (12), a connecting area fixing plate (17) and a connecting area upper end plate (25); the connecting area hole opening plate (21), the connecting area side plate (12), the connecting area fixing plate (17) and the connecting area upper end plate (25) form a rectangular structure; a node area bolt (19) penetrates through the connection area perforated plate (21) and the connection area fixing plate (17) and is screwed and fixed by a nut (15);
the rear side of the connecting area fixing plate (17) is provided with a square front end plate (8), a side end plate (9), an upper end plate (10) and a rear end plate (11); the square front end plate (8), the side end plate (9), the upper end plate (10) and the rear end plate (11) form a rectangular structure; an energy consumption area force transfer plate (16) is arranged between the square front end plate (8) and the rear end plate (11);
the bottom of the prestressed concrete beam (2) is provided with lower longitudinal reinforcements (24), a plurality of lower longitudinal reinforcements (24) are arranged side by side, the two sides of the lower longitudinal reinforcements (24) are provided with prestressed reinforcements (14), and the end parts of the prestressed reinforcements (14) penetrate through the rear end plate (11);
and pouring concrete on the upper longitudinal bar (23) at the top of the prestressed concrete beam (2) through the open hole (18) to form a floor slab overlapping part (1).
2. The quick-mounting partially-assembled self-resetting friction energy dissipation node as claimed in claim 1, wherein a stiffening plate (20) is arranged at the opening (18) of the steel pipe (7).
3. A quick-install, partially-assembled, self-resetting, friction-dissipating node according to claim 1, characterized in that the steel tube (7) has a strength rating of not less than Q420.
4. A quick-install, partially assembled, self-resetting, friction and energy dissipating node according to claim 1, wherein the high strength concrete (6) has a strength rating of not less than C60.
5. A quick-install, partially-assembled, self-resetting, friction-dissipating node according to claim 1, characterized in that the lower longitudinal ribs (24) are provided with spacers (13) through the connection points of the rear end plate (11).
6. A quick-install, partially assembled, self-resetting, friction-dissipating node according to claim 5, characterized in that the tendon (14) is mounted to the spacer (13) by post-tensioning.
7. A quick-install self-resetting friction energy-consuming joint according to claim 1, wherein the steel pipe (7) and the bracket (3) are connected by welding.
8. A quick-install self-resetting friction and energy dissipating joint according to claim 1, wherein the lower longitudinal ribs (24) are connected to the rear end plate (11) by welding.
9. The quick-mounting self-resetting friction energy dissipation node capable of being partially assembled is characterized in that brass plates (4) are arranged on two sides of the energy dissipation area force transmission plate (16), and the brass plates (4) are fixed on the energy dissipation area force transmission plate (16) through bolts (5).
10. A quick-install, partially assembled, self-resetting, friction and energy dissipating node according to claim 1, characterized in that the square front end plate (8), the side end plates (9), the upper end plate (10) and the rear end plate (11) are formed into a rectangular structure by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221599514.XU CN217580551U (en) | 2022-06-22 | 2022-06-22 | Partially-assembled self-resetting friction energy dissipation node capable of being installed quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221599514.XU CN217580551U (en) | 2022-06-22 | 2022-06-22 | Partially-assembled self-resetting friction energy dissipation node capable of being installed quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217580551U true CN217580551U (en) | 2022-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221599514.XU Expired - Fee Related CN217580551U (en) | 2022-06-22 | 2022-06-22 | Partially-assembled self-resetting friction energy dissipation node capable of being installed quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217580551U (en) |
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2022
- 2022-06-22 CN CN202221599514.XU patent/CN217580551U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221014 |