CN217299271U - Assembled reinforced concrete post canopy structure system with from reset function - Google Patents

Assembled reinforced concrete post canopy structure system with from reset function Download PDF

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Publication number
CN217299271U
CN217299271U CN202120211194.5U CN202120211194U CN217299271U CN 217299271 U CN217299271 U CN 217299271U CN 202120211194 U CN202120211194 U CN 202120211194U CN 217299271 U CN217299271 U CN 217299271U
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China
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self
cantilever beam
single column
resetting
steel
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Expired - Fee Related
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CN202120211194.5U
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Chinese (zh)
Inventor
皮骁汗
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Southwest Jiaotong University
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Southwest Jiaotong University
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Abstract

The utility model discloses an assembled reinforced concrete post canopy structure system with from reset function, including base, from reset single-column, power consumption component, cantilever beam and assembled roofing. The bases are arranged in an array mode, and self-resetting single columns are connected to the bases. The lower ends of a plurality of prestressed finish-rolled deformed steel bars in the self-resetting single column are fixed on the base, and the upper ends of the prestressed finish-rolled deformed steel bars are anchored at the top of the self-resetting single column. An energy dissipation component is also arranged between the lower end of the self-resetting single column and the base. An assembled cantilever beam is installed at the upper end of the self-resetting single column, and an assembled roof is installed on the cantilever beam. The base and the self-resetting single column of the utility model are connected by adopting an inner prestressed tendon and an outer prestressed tendon, which can effectively eliminate the load generated by earthquake and improve the function recoverability of the structure after earthquake; and the main components are prefabricated in a factory, construction can be completed only by a small amount of welding and cast-in-place during field assembly, the assembly degree is high, the construction process is simplified, the construction period is saved, and the construction method is suitable for and promotes the industrial development of buildings.

Description

Assembled reinforced concrete post canopy structure system with from reset function
Technical Field
The utility model relates to a construction field, concretely relates to have from reset function assembled reinforced concrete post canopy structure system.
Background
The reinforced concrete column, the reinforced concrete beam and the reinforced concrete slab canopy structure system is one of single-column canopy structure systems mainly adopted at present, but cast-in-place construction is mostly adopted. Along with the gradual improvement of the road network construction requirements in the new era, the service requirements of passengers are rapidly improved, the development of intelligent railways is orderly promoted, the environmental protection consciousness is continuously enhanced, and the railway construction in China needs to be developed towards the direction of being more intelligent, more advanced, safer and more green. The assembly of the construction site is an important way for realizing green construction, and the prefabricated and assembled single-column canopy structure system is adopted, so that the labor quantity and the construction period of the site are effectively reduced and shortened, and the delay of traffic and transportation in the construction process is reduced. Therefore, the development requirement of railway construction in China is effectively met by the research and development of the assembled single-column canopy structure system.
In addition, in recent years, the structural earthquake-proof design concept gradually develops from collapse-resistant design to function-recoverable design, even if the structure has a self-resetting function under the action of small earthquake, the damage of the structure can be controlled under the action of large earthquake, and the using function of the structure can be recovered through quick repair.
Therefore, there is a need to develop a rainshed structural system having a damage-controlled self-righting structure.
Disclosure of Invention
The utility model aims at providing a can accelerate construction speed, improve the degree of assemblization, promote the canopy structure system of function restorability after the structure shakes.
The technical scheme who adopts for realizing the utility model aims at so, a have from reset function assembled reinforced concrete post canopy structure system, include the base, from reset single-column, power consumption component, cantilever beam and assembled roofing.
A plurality of the bases are arranged on the same straight line and are arranged at equal intervals, and each base is connected with a self-resetting single column. A plurality of pore channels for the prestressed finish rolling deformed steel bars to pass through are arranged in the self-resetting single column, and the pore channels penetrate through the upper end and the lower end of the self-resetting single column.
And a plurality of the pre-stress finish-rolled deformed steel bars pass through the pore channels in the self-resetting single column, the lower ends of the pre-stress finish-rolled deformed steel bars are fixed on the base, and the upper ends of the pre-stress finish-rolled deformed steel bars are anchored at the top of the self-resetting single column.
The lower end of each self-resetting single column is provided with an energy dissipation component, each energy dissipation component comprises a cross and a prestressed tendon, the cross is embedded in the self-resetting single column, the center of the cross is overlapped with the axis of the self-resetting single column, and four limbs of the cross extend out of the self-resetting single column. The four prestressed tendons are respectively fixed on four limbs of the cross, and the lower ends of the prestressed tendons are fixed on the base.
The upper end of each self-resetting single column is provided with a cantilever beam, the length direction of the cantilever beam is perpendicular to the arrangement direction of the bases, and the cantilever beam comprises a cantilever beam body and a cantilever beam extension part. The middle part of the cantilever beam body is fixed at the upper end of the self-resetting single column, and the two ends of the cantilever beam body are connected with the cantilever beam extension part through the assembly type connecting nodes to form the cantilever beam.
The upper surface of two adjacent cantilever beams is provided with an assembled roof, the assembled roof comprises a plurality of prefabricated plates which are spliced with each other, and the splicing positions of the prefabricated plates are connected by wet joints.
Furthermore, a shear key is installed on the lower end face of the self-resetting single column, and the shear key extends into the base.
Furthermore, a plurality of sleeves are pre-embedded in the base, and the lower ends of the pre-stressed finish-rolled deformed steel bars and the lower ends of the pre-stressed tendons are fixed on the base through the sleeves.
Furthermore, assembled connected node includes pre-buried shaped steel I, pre-buried shaped steel II, bolted steel board and welding steel plate. Pre-buried shaped steel I and pre-buried shaped steel II are the I-steel, and pre-buried this internal at the cantilever beam of one end of pre-buried shaped steel I, the other end stretches out the cantilever beam body. One end of the embedded section steel II is embedded in the cantilever beam extension part, and the other end of the embedded section steel II extends out of the cantilever beam extension part.
Two the bolted steel board sets up respectively in the web both sides of pre-buried shaped steel I, and the web of pre-buried shaped steel I, the web of pre-buried shaped steel II and two bolted steel boards adopt a plurality of bolted connection as an organic whole.
The two welding steel plates are respectively arranged on the outer sides of two flanges of the embedded section steel I, and the flange of the embedded section steel I, the flange of the embedded section steel II and the welding steel plates are welded into a whole.
Concrete is cast in each assembly type connecting node.
Furthermore, the cross-section of prefabricated plate is pi shape, and the prefabricated plate includes roof and two risers, and roof and riser are the rectangular plate, and the length direction of roof and riser all is unanimous with the array direction of a plurality of bases.
The roof level sets up, and two riser interval arrangements are connected to the lower surface of roof, and the both ends of riser are fixed respectively on two adjacent cantilever beams.
The prefabricated plates are arranged along the length direction of the cantilever beam, and the joints of two adjacent top plates are connected by wet joints.
The technical effect of the utility model is undoubted, the base and the self-reset single column of the utility model are connected by adopting two kinds of internal and external prestressed tendons, which can effectively eliminate the load generated by earthquake and improve the function recoverability of the structure after earthquake; furthermore, the utility model discloses an essential element all can be accomplished at mill's prefabrication, only needs a small amount of welding and cast-in-place can accomplish the construction during on-the-spot assembly, and the level of assemblability is high, has retrencied the work progress greatly, saves the time limit for a project, adapts to and promotes the building industrialization development.
Drawings
FIG. 1 is a schematic view of the canopy structure of the present invention;
FIG. 2 is a schematic view of a power consuming component;
fig. 3 is a schematic view of an assembled connection node.
In the figure: the self-resetting single column type self-aligning prestressed rib steel plate comprises a base 1, a self-resetting single column 2, an energy dissipation component 3, a cross 301, prestressed ribs 302, a cantilever beam body 4, a cantilever beam extension portion 5, an assembly type connecting node 6, pre-embedded section steel I601, pre-embedded section steel II 602, a bolted steel plate 603, a welded steel plate 604, a precast slab 7 and pre-stressed finish-rolled deformed steel 8.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical idea of the invention and according to the common technical knowledge and the conventional means in the field, and all the substitutions and modifications are included in the protection scope of the invention.
Example 1:
the embodiment discloses an assembly type reinforced concrete column canopy structure system with a self-resetting function, which comprises a base 1, a self-resetting single column 2, an energy dissipation component 3, a cantilever beam and an assembly type roof.
Referring to fig. 1, a plurality of bases 1 are arranged on the same straight line and are arranged at equal intervals, a plurality of sleeves are embedded in the bases 1, and upper ports of the sleeves are flush with the upper surface of the bases 1.
Each base 1 is connected with a self-resetting single column 2, and a shear key is installed on the lower end face of each self-resetting single column 2 and extends into the base 1. A plurality of pore channels for the prestressed finish rolling deformed steel bars 8 to pass through are arranged in the self-resetting single column 2 and penetrate through the upper end and the lower end of the self-resetting single column 2.
And a plurality of the prestress finish-rolled deformed steel bars 8 pass through the pore channels in the self-resetting single column 2, the lower ends of the prestress finish-rolled deformed steel bars 8 are fixed on the base 1 through sleeves, and the upper ends of the prestress finish-rolled deformed steel bars are anchored at the top of the self-resetting single column 2.
The lower end of each self-resetting single column 2 is provided with an energy consumption component 3, referring to fig. 2, each energy consumption component 3 comprises a cross 301 and a prestressed tendon 302, the cross 301 is embedded in the self-resetting single column 2, the center of the cross 301 is overlapped with the axis of the self-resetting single column 2, and four limbs of the cross 301 extend out of the self-resetting single column 2. The four prestressed tendons 302 are respectively fixed on four limbs of the cross 301, and the lower ends of the prestressed tendons 302 are fixed on the base 1 through sleeves.
And a cantilever beam is arranged at the upper end of each self-resetting single column 2, the length direction of the cantilever beam is vertical to the arrangement direction of the bases 1, and the cantilever beam comprises a cantilever beam body 4 and a cantilever beam extension part 5. Referring to fig. 1, the middle part of the cantilever beam body 4 is fixed at the upper end of the self-resetting single column 2, and two ends of the cantilever beam body 4 are connected with the cantilever beam extension part 5 through the assembly type connection node 6 to form a cantilever beam.
Referring to fig. 3, the fabricated connecting node 6 includes an embedded section steel i 601, an embedded section steel ii 602, a bolting steel plate 603, and a welding steel plate 604. The embedded section steel I601 and the embedded section steel II 602 are I-shaped steel, one end of the embedded section steel I601 is embedded in the cantilever beam body 4, and the other end of the embedded section steel I601 extends out of the cantilever beam body 4. One end of the embedded steel II 602 is embedded in the cantilever beam extension part 5, and the other end of the embedded steel II extends out of the cantilever beam extension part 5.
The two bolting steel plates 603 are respectively arranged on two sides of a web plate of the embedded steel I601, and the web plate of the embedded steel I601, the web plate of the embedded steel II 602 and the two bolting steel plates 603 are connected into a whole through a plurality of bolts.
The two welding steel plates 604 are respectively arranged on the outer sides of two flanges of the embedded section steel I601, and the flanges of the embedded section steel I601, the flanges of the embedded section steel II 602 and the welding steel plates 604 are welded into a whole. Concrete is cast in each fabricated connecting node 6.
And the upper surfaces of two adjacent cantilever beams are provided with an assembled roof, and the assembled roof comprises a plurality of prefabricated plates 7 which are spliced with each other.
The cross section of the prefabricated plate 7 is pi-shaped, the prefabricated plate 7 comprises a top plate and two vertical plates, the top plate and the vertical plates are rectangular plates, and the length directions of the top plate and the vertical plates are consistent with the arrangement directions of the bases 1.
Roof level sets up, and two riser interval arrangements are connected to the lower surface of roof, and the both ends of riser are fixed respectively on two adjacent cantilever beams.
The precast slabs 7 are arranged along the length direction of the cantilever beam, and the joints of two adjacent top plates are connected by wet joints.
Before construction, the self-resetting single column 2, the cantilever beam body 4, the cantilever beam extension part 5 and the precast slab 7 are processed in a factory, then the precast slabs are transported to a construction site, after the base 1 is poured and meets the strength requirement, a plurality of pre-stress finish-rolled deformed steel bars 8 and pre-stressed tendons 302 are fixed on the base 1, the upper ends of the pre-stressed tendons 302 are tensioned and then anchored on the cross 301, and the pre-stress finish-rolled deformed steel bars 8 penetrate through the self-resetting single column 2 and are tensioned and anchored at the top of the self-resetting single column 2. And then the cantilever beam body 4 is arranged on the self-resetting single column 2, and the fabricated connecting node 6 is assembled, welded and poured to complete the construction of the cantilever beam. And installing a plurality of precast slabs 7 between two adjacent cantilever beams, and finally pouring a wet joint.
Example 2:
the embodiment discloses an assembly type reinforced concrete column canopy structure system with a self-resetting function, which comprises a base 1, a self-resetting single column 2, an energy dissipation component 3, a cantilever beam and an assembly type roof.
Referring to fig. 1, a plurality of bases 1 are arranged on the same straight line and are arranged at equal intervals, and each base 1 is connected with a self-resetting single column 2. A plurality of pore channels for the prestressed finish rolling deformed steel bars 8 to pass through are arranged in the self-resetting single column 2 and penetrate through the upper end and the lower end of the self-resetting single column 2.
And a plurality of the prestress finish-rolled deformed steel bars 8 pass through the pore channels in the self-resetting single column 2, the lower ends of the prestress finish-rolled deformed steel bars 8 are fixed on the base 1, and the upper ends of the prestress finish-rolled deformed steel bars are anchored at the top of the self-resetting single column 2.
The lower end of each self-resetting single column 2 is provided with an energy consumption component 3, referring to fig. 2, each energy consumption component 3 comprises a cross 301 and a prestressed tendon 302, the cross 301 is embedded in the self-resetting single column 2, the center of the cross 301 is overlapped with the axis of the self-resetting single column 2, and four limbs of the cross 301 extend out of the self-resetting single column 2. The four prestressed tendons 302 are respectively fixed on four limbs of the cross 301, and the lower ends of the prestressed tendons 302 are fixed on the base 1.
And a cantilever beam is arranged at the upper end of each self-resetting single column 2, the length direction of the cantilever beam is vertical to the arrangement direction of the bases 1, and the cantilever beam comprises a cantilever beam body 4 and a cantilever beam extension part 5. Referring to fig. 1, the middle part of the cantilever beam body 4 is fixed at the upper end of the self-resetting single column 2, and two ends of the cantilever beam body 4 are connected with the cantilever beam extension part 5 through the assembly type connection node 6 to form a cantilever beam.
The upper surfaces of two adjacent cantilever beams are provided with an assembled roof, the assembled roof comprises a plurality of prefabricated plates 7 which are spliced with each other, and the splicing positions of the prefabricated plates 7 are connected by wet joints.
Example 3:
the main structure of this embodiment is the same as embodiment 2, and further, a shear key is installed on the lower end surface of the self-resetting single column 2, and the shear key extends into the base 1.
Example 4:
the main structure of this embodiment is the same as that of embodiment 3, further, a plurality of sleeves are embedded in the base 1, and the lower end of the finish pre-stressed rolled deformed steel bar 8 and the lower end of the tendon 302 are fixed on the base 1 through the sleeves.
Example 5:
the main structure of this embodiment is the same as that of embodiment 4, and further, referring to fig. 3, the fabricated connecting node 6 includes embedded steel i 601, embedded steel ii 602, a bolting steel plate 603, and a welding steel plate 604. The embedded section steel I601 and the embedded section steel II 602 are I-shaped steel, one end of the embedded section steel I601 is embedded in the cantilever beam body 4, and the other end of the embedded section steel I601 extends out of the cantilever beam body 4. One end of the embedded steel II 602 is embedded in the cantilever beam extension part 5, and the other end of the embedded steel II extends out of the cantilever beam extension part 5.
The two bolting steel plates 603 are respectively arranged on two sides of a web plate of the embedded steel I601, and the web plate of the embedded steel I601, the web plate of the embedded steel II 602 and the two bolting steel plates 603 are connected into a whole through a plurality of bolts.
The two welding steel plates 604 are respectively arranged on the outer sides of two flanges of the embedded section steel I601, and the flange of the embedded section steel I601, the flange of the embedded section steel II 602 and the welding steel plates 604 are welded into a whole.
Concrete is cast in the position of each assembly type connecting node 6.
Example 6:
the main structure of this embodiment is the same as that of embodiment 5, further, the cross section of the prefabricated slab 7 is pi-shaped, the prefabricated slab 7 includes a top plate and two vertical plates, the top plate and the vertical plates are rectangular plates, and the length directions of the top plate and the vertical plates are all consistent with the arrangement direction of the bases 1.
The roof level sets up, and two riser interval arrangements are connected to the lower surface of roof, and the both ends of riser are fixed respectively on two adjacent cantilever beams.
The precast slabs 7 are arranged along the length direction of the cantilever beam, and the joints of two adjacent top plates are connected by wet joints.

Claims (5)

1. The utility model provides a have from reset function assembled reinforced concrete post canopy structure system which characterized in that: the energy-saving roof comprises a base (1), a self-resetting single column (2), an energy-consuming component (3), a cantilever beam and an assembled roof;
the bases (1) are arranged on the same straight line and are arranged at equal intervals, and each base (1) is connected with a self-resetting single column (2); a plurality of pore channels for the prestressed finish-rolled deformed steel bar (8) to pass through are arranged in the self-resetting single column (2), and the pore channels penetrate through the upper end and the lower end of the self-resetting single column (2);
the plurality of pre-stress finish-rolled deformed steel bars (8) penetrate through a pore channel in the self-resetting single column (2), the lower end of each pre-stress finish-rolled deformed steel bar (8) is fixed on the base (1), and the upper end of each pre-stress finish-rolled deformed steel bar is anchored at the top of the self-resetting single column (2);
the energy dissipation member (3) is arranged at the lower end of each self-resetting single column (2), each energy dissipation member (3) comprises a cross (301) and a prestressed tendon (302), the cross (301) is embedded in the self-resetting single column (2), the center of the cross (301) is overlapped with the axis of the self-resetting single column (2), and four limbs of the cross (301) extend out of the self-resetting single column (2); the four prestressed tendons (302) are respectively fixed on four limbs of the cross (301), and the lower ends of the prestressed tendons (302) are fixed on the base (1);
the upper end of each self-resetting single column (2) is provided with a cantilever beam, the length direction of the cantilever beam is vertical to the arrangement direction of the bases (1), and the cantilever beam comprises a cantilever beam body (4) and a cantilever beam extension part (5); the middle part of the cantilever beam body (4) is fixed at the upper end of the self-resetting single column (2), and two ends of the cantilever beam body (4) are connected with the cantilever beam extension part (5) through an assembly type connecting node (6) to form a cantilever beam;
the upper surface of two adjacent cantilever beams is provided with an assembled roof, the assembled roof comprises a plurality of prefabricated plates (7) which are spliced with each other, and the spliced parts of the prefabricated plates (7) are connected by wet joints.
2. The assembled reinforced concrete column canopy structure system with the self-resetting function of claim 1, wherein: and a shear key is arranged on the lower end surface of the self-resetting single column (2), and the shear key extends into the base (1).
3. The assembled reinforced concrete column canopy structure system with the self-resetting function of claim 1, wherein: a plurality of sleeves are pre-embedded in the base (1), and the lower end of the pre-stressed finish-rolled deformed steel bar (8) and the lower end of the pre-stressed tendon (302) are fixed on the base (1) through the sleeves.
4. The assembled reinforced concrete column canopy structure system with the self-resetting function of claim 1, wherein: the assembly type connecting node (6) comprises an embedded section steel I (601), an embedded section steel II (602), a bolted steel plate (603) and a welded steel plate (604); the embedded section steel I (601) and the embedded section steel II (602) are both I-shaped steel, one end of the embedded section steel I (601) is embedded in the cantilever beam body (4), and the other end of the embedded section steel I (601) extends out of the cantilever beam body (4); one end of the embedded section steel II (602) is embedded in the cantilever beam extension part (5), and the other end of the embedded section steel II extends out of the cantilever beam extension part (5);
the two bolting steel plates (603) are respectively arranged on two sides of a web plate of the embedded section steel I (601), and the web plate of the embedded section steel I (601), the web plate of the embedded section steel II (602) and the two bolting steel plates (603) are connected into a whole by a plurality of bolts;
the two welding steel plates (604) are respectively arranged on the outer sides of two flanges of the embedded section steel I (601), and the flange of the embedded section steel I (601), the flange of the embedded section steel II (602) and the welding steel plates (604) are welded into a whole;
concrete is cast in place at each assembly type connecting node (6).
5. The assembled reinforced concrete column canopy structure system with the self-resetting function of claim 1, wherein: the section of the prefabricated plate (7) is pi-shaped, the prefabricated plate (7) comprises a top plate and two vertical plates, the top plate and the vertical plates are rectangular plates, and the length directions of the top plate and the vertical plates are consistent with the arrangement direction of the bases (1);
the top plate is horizontally arranged, the two vertical plates are arranged at intervals and connected to the lower surface of the top plate, and two ends of each vertical plate are respectively fixed on the two adjacent cantilever beams;
the precast slabs (7) are arranged along the length direction of the cantilever beam, and the joints of two adjacent top plates are connected by wet joints.
CN202120211194.5U 2021-01-26 2021-01-26 Assembled reinforced concrete post canopy structure system with from reset function Expired - Fee Related CN217299271U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120211194.5U CN217299271U (en) 2021-01-26 2021-01-26 Assembled reinforced concrete post canopy structure system with from reset function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120211194.5U CN217299271U (en) 2021-01-26 2021-01-26 Assembled reinforced concrete post canopy structure system with from reset function

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Publication Number Publication Date
CN217299271U true CN217299271U (en) 2022-08-26

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Application Number Title Priority Date Filing Date
CN202120211194.5U Expired - Fee Related CN217299271U (en) 2021-01-26 2021-01-26 Assembled reinforced concrete post canopy structure system with from reset function

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