CN210562612U - Hinged nondestructive energy-consumption prefabricated frame beam-column joint - Google Patents
Hinged nondestructive energy-consumption prefabricated frame beam-column joint Download PDFInfo
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- CN210562612U CN210562612U CN201920896898.3U CN201920896898U CN210562612U CN 210562612 U CN210562612 U CN 210562612U CN 201920896898 U CN201920896898 U CN 201920896898U CN 210562612 U CN210562612 U CN 210562612U
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Abstract
The utility model discloses a hinged nondestructive energy consumption prefabricated frame beam column node, which comprises a prefabricated column, a pre-buried steel pipe arranged in the prefabricated column, a prefabricated beam, a first pre-buried ear plate, a second pre-buried ear plate and a damper, wherein the free end of the pre-buried steel pipe extends out of the prefabricated column; the lower part of one side of the precast beam close to the precast column is provided with a lap joint notch, a pre-buried connecting piece is arranged in the lap joint notch, the pre-buried connecting piece is U-shaped, the opening of the pre-buried connecting piece is downward, and the pre-buried connecting piece comprises an anchor plate, rib plates arranged at two sides of the anchor plate and anchor bars arranged on the upper end surface of the anchor plate; the lap joint notch is lapped on the free end of the embedded steel pipe, and the rib plate is connected with the free end through bolts; the first embedded ear plate is arranged in the middle of the outer side face of the prefabricated column and right below the free end, and the middle point of the lower end face of the prefabricated beam is provided with a second embedded ear plate. No rib is formed at the beam end, so that the construction and the installation are convenient; the steel pipe replaces a steel corbel and has the connecting and shearing resisting functions; the mechanics is clear and the anti-seismic performance is excellent.
Description
Technical Field
The utility model relates to an assembled concrete frame structure technical field, especially a prefabricated frame beam column node of articulated not damaged power consumption.
Background
The fabricated concrete frame structure system is widely applied to fabricated buildings, the structural integrity and reliability of the fabricated concrete frame structure system are mainly realized through connection between prefabricated parts, and prefabricated beam column node connection is the key of the fabricated concrete frame structure.
The connection of prefabricated beam column at present adopts cast-in-place in node district or prefabricated beam to indulge the muscle and stretch into and grout or mechanical connection in the prefabricated column more, and this kind of node form can lead to following problem under the earthquake effect: firstly, the structure suffers damage that is difficult to repair; secondly, the energy consumption of the node is mainly realized through the plastic deformation of the common steel bar, and the energy consumption capability is poor; thirdly, the field installation relates to the cast-in-place operation of partial cast-in-place or crack pouring and the like, so that the construction difficulty is easy to occur; fourth, the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated frame beam column node of articulated not damaged power consumption, the structural damage who will solve present assembled concrete frame beam column node existence is big, the power consumption ability is poor, the construction difficulty, be difficult for technical problem such as modification.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a hinged nondestructive energy consumption prefabricated frame beam column node, which comprises a prefabricated column 1, a pre-buried steel pipe arranged in the prefabricated column 1, a prefabricated beam, a first pre-buried ear plate 13, a second pre-buried ear plate 44 and a damper 5, wherein the free end of the pre-buried steel pipe extends out of the prefabricated column 1; the lower part of one side of the precast beam close to the precast column 1 is provided with an overlapping notch 14, a pre-buried connecting piece 4 is arranged in the overlapping notch 14, the pre-buried connecting piece 4 is U-shaped and provided with a downward opening, and the pre-buried connecting piece 4 comprises an anchor plate 41, rib plates 42 arranged on two sides of the anchor plate 41 and anchor bars 43 arranged on the upper end surface of the anchor plate 41;
the lap joint notch 14 is erected on the free end of the embedded steel pipe, and the ribbed plate 42 is connected with the free end through bolts;
the first embedded lug plate 13 is arranged in the middle of the outer side surface of the precast column 1 and right below the free end, and a second embedded lug plate 44 is arranged at the middle point of the lower end surface of the precast beam; a damper 5 is arranged between the first embedded ear plate 13 and the second embedded ear plate 44.
Further, the embedded steel pipes are cross-shaped, the embedded steel pipes comprise a transverse embedded steel pipe 11 and a longitudinal embedded steel pipe 12 which are arranged in the precast column 1 in a penetrating mode, the transverse embedded steel pipe 11 and the longitudinal embedded steel pipe 12 are on the same plane, and the longitudinal embedded steel pipes 12 are two and symmetrically arranged at the middle point of the transverse embedded steel pipe 11; the cross section of the transverse embedded steel pipe 11 and the cross section of the longitudinal embedded steel pipe 12 are both rectangular, and the free end of the transverse embedded steel pipe 11 and the free end of the longitudinal embedded steel pipe 12 extend out of the precast column 1;
the precast beams comprise precast main beams 2 arranged on the transverse direction and precast secondary beams 3 arranged on the longitudinal direction;
the section of the prefabricated main beam 2 is rectangular, the lap joint notch 14 of the prefabricated main beam 2 is erected on the free end of the transverse embedded steel pipe 11, and the ribbed plate 42 is connected with the free end through bolts; the lap joint notches 14 of the prefabricated secondary beams 3 are erected on the free ends of the longitudinal embedded steel pipes 12, and the ribbed plates 42 are connected with the free ends through bolts.
Further, the embedded steel pipe is L-shaped.
Further, the embedded steel pipe is T-shaped.
Further, round-head studs 6 are uniformly arranged on the surfaces of the transverse embedded steel pipe 11 and the longitudinal embedded steel pipe 12.
Further, a second oblique sizing block 10 is arranged in a gap between the ribbed slab 42 of the embedded connecting piece 4 and the free end.
Further, the second oblique sizing block 10 is rectangular, at least one corner of the rectangle is a rounded corner, and a hole for passing a bolt is formed in the middle of the rectangle.
The utility model provides a hinged nondestructive energy-consumption prefabricated frame beam column joint, which comprises a prefabricated column 1, a pre-buried steel pipe arranged in the prefabricated column 1, a prefabricated beam, an inserting steel pipe, a first pre-buried ear plate 13, a second pre-buried ear plate 44 and a damper 5,
the splicing steel pipe is arranged in the embedded steel pipe, and the free end of the splicing steel pipe extends out of the prefabricated column 1;
the lower part of one side of the precast beam close to the precast column 1 is provided with an overlapping notch 14, a pre-buried connecting piece 4 is arranged in the overlapping notch 14, the pre-buried connecting piece 4 is U-shaped and provided with a downward opening, and the pre-buried connecting piece 4 comprises an anchor plate 41, rib plates 42 arranged on two sides of the anchor plate 41 and anchor bars 43 arranged on the upper end surface of the anchor plate 41;
the lap joint notch 14 is erected on the free end of the inserted steel pipe, and the ribbed plate 42 is connected with the free end through bolts;
the first embedded lug plate 13 is arranged in the middle of the outer side surface of the precast column 1 and right below the free end, and a second embedded lug plate 44 is arranged at the middle point of the lower end surface of the precast beam; a damper 5 is arranged between the first embedded ear plate 13 and the second embedded ear plate 44.
Further, the embedded steel pipes are cross-shaped, the free ends of the embedded steel pipes are flush with the outer surface of the prefabricated column, each embedded steel pipe comprises a transverse embedded steel pipe 11 and a longitudinal embedded steel pipe 12, the transverse embedded steel pipes 11 are arranged in the prefabricated column 1 in a penetrating mode, the longitudinal embedded steel pipes 12 are arranged in the prefabricated column 1 in a penetrating mode and on the lower portion of the transverse embedded steel pipes 11, and the cross sections of the transverse embedded steel pipes 11 and the cross sections of the longitudinal embedded steel pipes 12 are both rectangular;
the section of the splicing steel pipe is rectangular, the splicing steel pipe comprises a transverse splicing steel pipe 8 arranged in a transverse embedded steel pipe 11 and a longitudinal splicing steel pipe 9 arranged in a longitudinal embedded steel pipe 12, and the free end of the transverse splicing steel pipe 8 and the free end of the longitudinal splicing steel pipe 9 extend out of the prefabricated column 1;
the precast beams comprise precast main beams 2 arranged on the transverse direction and precast secondary beams 3 arranged on the longitudinal direction;
the section of the prefabricated girder 2 is rectangular, the lap joint notch 14 of the prefabricated girder 2 is erected on the free end of the transverse splicing steel pipe 8, and the ribbed plate 42 is connected with the free end through bolts; the lap joint notches 14 of the prefabricated secondary beams 3 are erected on the free ends of the longitudinal inserting steel pipes 9, and the rib plates 42 are connected with the free ends through bolts.
Further, a first oblique sizing block 7 is arranged between the transverse embedded steel pipe 11 and the transverse splicing steel pipe 8; and a first oblique sizing block 7 is arranged in the longitudinal embedded steel pipe 12 and the longitudinal splicing steel pipe 9.
Further, the distance between two adjacent rib plates 42 is 2-5 mm; the rib 42 is rounded on one side.
Further, the depth of the overlapping notch 14 is 100-400 mm.
Further, the first oblique sizing block 7 is trapezoidal; the first oblique sizing block 7 is made of Q235 steel; the first oblique sizing block 7 is provided with a hole for passing through a bolt.
The beneficial effects of the utility model are embodied in:
1, the utility model provides a pair of articulated not damaged prefabricated frame beam column node of power consumption, the structure of prefabricated frame beam column node is ingenious, simple structure, reasonable in design, component processing convenience. Arranging embedded parts on the prefabricated beam columns, and performing node connection by adopting friction type high-strength bolts, namely, the prefabricated beam columns are in a hinged connection mode; the bending resistance and the energy consumption of the node adopt a damper. The utility model discloses reach "strong post weak beam" of antidetonation theory from the design, improve the power consumption performance of node, prefabricated component does not have overhanging reinforcing bar simultaneously and can realize high-efficient assembly.
2, the hinged nondestructive energy consumption prefabricated frame beam column joint provided by the utility model has the advantages that no rib is arranged at the beam end, and the construction and installation are convenient; the steel pipe replaces a steel corbel and has the connecting and shearing resisting functions; the mechanics is clear and the anti-seismic performance is excellent.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the basic composition of a hinged nondestructive energy-consuming prefabricated frame beam-column edge node;
FIG. 2 is a schematic view of the basic composition of a node in a hinged nondestructive energy-consuming prefabricated frame beam column in example 1;
FIG. 3 is a schematic view of a prefabricated main beam and prefabricated column joint;
FIG. 4 is a schematic illustration of the position of the precast main beams and precast columns;
FIG. 5 is a schematic view of a precast secondary beam and precast column joint;
FIG. 6 is a schematic view of the connection between the transverse splicing steel pipe and the transverse embedded steel pipe;
FIG. 7 is a schematic view of the structure of the pre-buried steel pipe in embodiment 1;
FIG. 8 is a schematic view of the structure of the pre-buried steel pipe in embodiment 4;
FIG. 9 is a schematic view of a pre-buried connector structure;
FIG. 10 is a schematic view of an energy dissipating wedge arrangement;
fig. 11 is a schematic view of a second wedge.
FIG. 12 is a schematic view of an adjustable energy consumer;
FIG. 13 is a schematic view of a first wedge shim;
FIG. 14 is a schematic structural view of a pre-buried steel pipe according to embodiment 2;
FIG. 15 is a schematic view of the structure of the pre-buried steel pipe in embodiment 3;
FIG. 16 is a schematic view of the structure of an embedded steel pipe according to embodiment 5;
fig. 17 is a schematic structural view of an embedded steel pipe in embodiment 6.
Reference numerals: 1-prefabricated column, 11-transverse embedded steel pipe, 12-longitudinal embedded steel pipe, 13-first embedded lug plate, 14-lap joint notch,
2-prefabricated main beam, 3-prefabricated secondary beam, 4-embedded connecting piece, 41-anchor plate, 42-ribbed plate, 43-anchor bar, 44-second embedded lug plate,
5-a damper, 6-a stud, 7-a first oblique sizing block, 8-a transverse splicing steel pipe, 9-a longitudinal splicing steel pipe and 10-a second oblique sizing block.
Detailed Description
The technical solutions of the present invention are described in detail below by way of examples, which are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not for explaining the limitations of the technical solutions of the present invention.
The fabricated concrete frame structure system is widely applied to fabricated buildings, the structural integrity and reliability of the fabricated concrete frame structure system are mainly realized through connection between prefabricated parts, and prefabricated beam column node connection is the key of the fabricated concrete frame structure. The utility model provides a following embodiment: arranging embedded parts on the prefabricated beam columns, and performing node connection by adopting friction type high-strength bolts, namely, the prefabricated beam columns are in a hinged connection mode; the bending resistance and the energy consumption of the node adopt a damper.
Example 1
As shown in fig. 2, the utility model provides a prefabricated frame beam column node of articulated not damaged power consumption, this prefabricated frame beam column node is well node. The prefabricated post comprises a prefabricated post 1, an embedded steel pipe arranged in the prefabricated post 1, a prefabricated beam, a first embedded lug plate 13, a second embedded lug plate 44 and a damper 5, wherein the free end of the embedded steel pipe extends out of the prefabricated post 1; the lower part of one side of the precast beam close to the precast column 1 is provided with an overlapping notch 14, and the overlapping notch 14 is internally provided with a pre-embedded connecting piece 4.
Referring to fig. 9, the pre-buried connecting member 4 is U-shaped and has a downward opening, and the pre-buried connecting member 4 includes an anchor plate 41, rib plates 42 disposed on both sides of the anchor plate 41, and anchor bars 43 disposed on the upper end surface of the anchor plate 41; the lap joint notch 14 is erected on the free end of the embedded steel pipe, and the ribbed plate 42 is connected with the free end through bolts. A second oblique sizing block 10 is arranged in a gap between the rib plate 42 of the embedded connecting piece 4 and the free end, the second oblique sizing block 10 is rectangular, at least one corner of the rectangle is a rounded corner, and a hole for passing a bolt is formed in the middle of the rectangle.
The first embedded lug plate 13 is arranged in the middle of the outer side surface of the precast column 1 and right below the free end, and a second embedded lug plate 44 is arranged at the middle point of the lower end surface of the precast beam; the damper 5 is arranged between the first embedded ear plate 13 and the second embedded ear plate 44, and the damper 5 which is obliquely arranged can well realize bending resistance and energy consumption of the node.
As shown in fig. 7, in this embodiment, the embedded steel pipes are cross-shaped, each embedded steel pipe includes a transverse embedded steel pipe 11 and a longitudinal embedded steel pipe 12 which are arranged in the precast column 1 in a penetrating manner, the transverse embedded steel pipes 11 and the longitudinal embedded steel pipes 12 are on the same plane, and two longitudinal embedded steel pipes 12 are symmetrically arranged at the midpoint of the transverse embedded steel pipes 11; the cross section of the transverse embedded steel pipe 11 and the cross section of the longitudinal embedded steel pipe 12 are both rectangular, and the free end of the transverse embedded steel pipe 11 and the free end of the longitudinal embedded steel pipe 12 extend out of the precast column 1; round-head studs 6 are uniformly arranged on the surfaces of the transverse embedded steel pipe 11 and the longitudinal embedded steel pipe 12. And the embedded steel pipe and the concrete of the precast column 1 are ensured to form a whole.
The precast beams comprise precast main beams 2 arranged on the transverse direction and precast secondary beams 3 arranged on the longitudinal direction; the section of the prefabricated main beam 2 is rectangular, the lap joint notch 14 of the prefabricated main beam 2 is erected on the free end of the transverse embedded steel pipe 11, and the ribbed plate 42 is connected with the free end through bolts; the lap joint notches 14 of the prefabricated secondary beams 3 are erected on the free ends of the longitudinal embedded steel pipes 12, and the ribbed plates 42 are connected with the free ends through bolts. The precast beam and the precast column 1 are connected to form a fixed hinged support and transfer shearing force.
The top surfaces of the lap joint notches 14 on the prefabricated main beams 2 do not exceed the center line of the sections of the prefabricated main beams 2 generally, the top surfaces of the rectangular notches of the prefabricated secondary beams 3 can exceed the center line of the sections of the prefabricated secondary beams, but the shear bearing capacity of the sections of the beam ends is ensured to meet the design requirement.
The construction method of the hinged nondestructive energy-consumption prefabricated frame beam-column joint comprises the following specific steps:
step one, pouring a prefabricated beam column component by a formwork: when a formwork is erected, arranging a transverse embedded steel pipe 11, a longitudinal embedded steel pipe 12, a first embedded lug plate 13 and a second embedded lug plate 44 in the prefabricated column 1; a lap joint notch 14 is reserved at the lower part of one side of the prefabricated main beam 2 close to the prefabricated column 1, a lap joint notch 14 is reserved at the lower part of one side of the prefabricated secondary beam 3, and a pre-buried connecting piece 4 is arranged;
step two, mounting the prefabricated column 1 and adjusting the verticality;
thirdly, hoisting the prefabricated secondary beam 3, adjusting the position of the prefabricated secondary beam to enable the prefabricated secondary beam to be centered on the free end of the longitudinal embedded steel pipe 12, inserting a second inclined sizing block 10 into a gap between the longitudinal embedded steel pipe 12 and a rib plate 42 of the embedded connecting piece 4, and connecting the embedded connecting piece 4 and the longitudinal embedded steel pipe 12 by adopting friction type high-strength bolts;
step four, hoisting the prefabricated main beam 2, adjusting the position of the prefabricated main beam to enable the prefabricated main beam to be centered on the free end of the transverse embedded steel pipe 11, inserting a second inclined sizing block 10 into a gap between the transverse embedded steel pipe 11 and a rib plate 42 of the embedded connecting piece 4, and connecting the embedded connecting piece 4 and the transverse embedded steel pipe 11 by adopting a friction type high-strength bolt;
and step five, installing the damper 5 between the first embedded ear plate 13 and the second embedded ear plate 44 respectively. Hot rolled rectangular steel pipes or steel plates can be used for welding. In order to reduce the weight, under the condition that the mechanical property meets the requirement, a groove or a hole can be formed on a middle web plate or a flange of the steel plate.
The lower part of one side of the precast beam close to the precast column 1 is provided with an overlapping notch 14, a pre-buried connecting piece 4 is arranged in the overlapping notch 14, the pre-buried connecting piece 4 is U-shaped and provided with a downward opening, and the pre-buried connecting piece 4 comprises an anchor plate 41, rib plates 42 arranged on two sides of the anchor plate 41 and anchor bars 43 arranged on the upper end surface of the anchor plate 41; the clear width between the two ribbed plates 42 is 2-5mm wider than that of the inserted steel pipe, and the ribbed plate corners close to the corners of the lap joint notches 14 are rounded.
The lap notch 14 is erected on the free end of the inserted steel pipe, and the ribbed plate 42 is connected with the free end through bolts. The depth of the overlapping notch 14 is 100-400 mm.
The first embedded lug plate 13 is arranged in the middle of the outer side surface of the precast column 1 and right below the free end, and a second embedded lug plate 44 is arranged at the middle point of the lower end surface of the precast beam; a damper 5 is arranged between the first embedded ear plate 13 and the second embedded ear plate 44. As shown in fig. 12.
As shown in fig. 8, the embedded steel pipe is cross-shaped, the free end of the embedded steel pipe is flush with the outer surface of the prefabricated column, the embedded steel pipe comprises a transverse embedded steel pipe 11 and a longitudinal embedded steel pipe 12, the transverse embedded steel pipe 11 is arranged in the prefabricated column 1 in a penetrating manner, the longitudinal embedded steel pipe 12 is arranged in the prefabricated column 1 in a penetrating manner and below the transverse embedded steel pipe 11, and the cross section of the transverse embedded steel pipe 11 and the cross section of the longitudinal embedded steel pipe 12 are both rectangular.
The section of the splicing steel pipe is rectangular, the splicing steel pipe comprises a transverse splicing steel pipe 8 arranged in a transverse embedded steel pipe 11 and a longitudinal splicing steel pipe 9 arranged in a longitudinal embedded steel pipe 12, and the free end of the transverse splicing steel pipe 8 and the free end of the longitudinal splicing steel pipe 9 extend out of the prefabricated column 1.
As shown in fig. 13, a first oblique sizing block 7 is arranged between the transverse embedded steel pipe 11 and the transverse splicing steel pipe 8; and a first oblique sizing block 7 is arranged in the longitudinal embedded steel pipe 12 and the longitudinal splicing steel pipe 9. The size and thickness of the transverse splicing steel pipe 8 and the longitudinal splicing steel pipe 9 can meet the requirement of node shearing bearing capacity. And a 10-20mm gap is reserved between one end of the transverse splicing steel pipe 8 and one end of the longitudinal splicing steel pipe 9 and the deep end face of the notch at the beam end, and the other end of the middle node penetrates through the embedded steel pipe to be connected with the beam end at the other side of the column. The transverse embedded steel pipes 11 and the longitudinal embedded steel pipes 12 are arranged in a vertically staggered manner, and grooving treatment can be performed on the longitudinal embedded steel pipes 12 and the splicing steel pipes 9 when necessary.
The precast beams comprise precast main beams 2 arranged on the transverse direction and precast secondary beams 3 arranged on the longitudinal direction; the section of the prefabricated girder 2 is rectangular, the lap joint notch 14 of the prefabricated girder 2 is erected on the free end of the transverse splicing steel pipe 8, and the ribbed plate 42 is connected with the free end through bolts; the lap joint notches 14 of the prefabricated secondary beams 3 are erected on the free ends of the longitudinal inserting steel pipes 9, and the rib plates 42 are connected with the free ends through bolts. The pre-buried steel pipe and the splicing steel pipe are provided with orifices and are connected by friction type high-strength bolts.
The construction method of the hinged nondestructive energy-consumption prefabricated frame beam-column joint comprises the following specific steps:
step one, pouring a prefabricated beam column component by a formwork: when a formwork is erected, arranging a transverse embedded steel pipe 11, a longitudinal embedded steel pipe 12, a first embedded lug plate 13 and a second embedded lug plate 44 in the prefabricated column 1; a lap joint notch 14 is reserved at the lower part of one side of the prefabricated main beam 2 close to the prefabricated column 1, a lap joint notch 14 is reserved at the lower part of one side of the prefabricated secondary beam 3, and a pre-buried connecting piece 4 is arranged;
step two, mounting the prefabricated column 1 and adjusting the verticality;
thirdly, installing a longitudinal inserting steel pipe 9, adjusting the position, plugging a first steel inclined sizing block 7 into a gap between the longitudinal embedded steel pipe 12 and the longitudinal inserting steel pipe 9, and fixing the longitudinal inserting steel pipe 9;
step four, installing a transverse splicing steel pipe 8, adjusting the position, plugging a first steel inclined sizing block 7 into a gap between a transverse embedded steel pipe 11 and the transverse splicing steel pipe 8, and fixing the transverse splicing steel pipe 8;
fifthly, hoisting the prefabricated secondary beam 3, adjusting the position to enable the prefabricated secondary beam to be centered on the free end of the longitudinal inserting steel pipe 9, inserting a second inclined sizing block 10 into a gap between the longitudinal inserting steel pipe 9 and a rib plate 42 of the embedded connecting piece 4, and connecting the embedded connecting piece 4 with the longitudinal inserting steel pipe 9 by adopting a friction type high-strength bolt; the second oblique sizing block 10 is provided with an orifice for penetrating the friction type high-strength bolt, and the size design of the orifice should consider the diameter of the high-strength bolt and the installation error. The second inclined sizing block 10 is in a shape of a Chinese character 'hui' and adopts Q235 mild steel end part width and steel pipe gap. See fig. 10 and 11.
Hoisting the prefabricated main beam 2, adjusting the position of the prefabricated main beam to enable the prefabricated main beam to be centered on the free end of the transverse inserting steel pipe 8, inserting a second inclined sizing block 10 into a gap between the transverse inserting steel pipe 8 and a rib plate 42 of the embedded connecting piece 4, and connecting the embedded connecting piece 4 and the transverse inserting steel pipe 8 by adopting a friction type high-strength bolt;
seventhly, installing dampers 5 between the first embedded lug plates 13 and the second embedded lug plates 44 respectively;
and step eight, checking the first oblique sizing block 7 to ensure that the position of the transverse inserting steel pipe 8 is fixed. The first inclined sizing block 7 is in a trapezoid shape; the first oblique sizing block 7 is made of Q235 steel; the first oblique sizing block 7 is provided with a hole for passing through a bolt.
The free end of the embedded steel pipe is flush with the outer surface of the prefabricated column, the embedded steel pipe comprises a transverse embedded steel pipe 11 and a longitudinal embedded steel pipe 12, and the transverse embedded steel pipe 11 and the longitudinal embedded steel pipe 12 are not in the same plane. The transverse embedded steel pipe 11 is arranged in the prefabricated column 1 in a penetrating mode, and the longitudinal embedded steel pipe 12 is arranged in the middle position of the upper end face of the transverse embedded steel pipe 11. The transverse splicing steel pipe 8 penetrates through the transverse embedded steel pipe 11, one end of the longitudinal splicing steel pipe 9 is welded with the longitudinal embedded steel pipe 12, and the other end of the longitudinal splicing steel pipe extends out of the prefabricated column 1.
Of course, the longitudinal embedded steel pipes 12 may be disposed at the midpoint of the lower end surface of the transverse embedded steel pipe 11.
In the above embodiments 1 to 7, the inclination angle of the damper 5 is set according to the building design requirements and the node force requirements. The damper 5 is provided with a length adjusting structure, one end of the damper is divided into two sections, the two sections are connected through a steel sleeve with screw threads, and the length of the damper can be changed by rotating the steel sleeve. And after the installation of the energy dissipater is finished, two sections of the energy dissipater are welded to form a whole. As shown in fig. 12.
The utility model discloses reach "strong post weak beam" of antidetonation theory from the design, improve the power consumption performance of node, prefabricated component does not have overhanging reinforcing bar simultaneously and can realize high-efficient assembly. The structure is simple, and the processing of the components is convenient. The steel pipe is adopted to replace a steel bracket, and the connecting and shearing resisting effects are achieved. The mechanics is clear and the anti-seismic performance is excellent.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a prefabricated frame beam column node of articulated not damaged power consumption which characterized in that: the prefabricated post comprises a prefabricated post (1), a pre-buried steel pipe arranged in the prefabricated post (1), a prefabricated beam, a first pre-buried ear plate (13), a second pre-buried ear plate (44) and a damper (5), wherein the free end of the pre-buried steel pipe extends out of the prefabricated post (1); the lower part of one side, close to the precast column (1), of the precast beam is provided with a lap joint notch (14), a pre-embedded connecting piece (4) is arranged in the lap joint notch (14), the pre-embedded connecting piece (4) is U-shaped, the opening of the pre-embedded connecting piece is downward arranged, and the pre-embedded connecting piece (4) comprises an anchor plate (41), rib plates (42) arranged on two sides of the anchor plate (41) and anchor bars (43) arranged on the upper end surface of the anchor plate (41);
the lap joint notch (14) is erected on the free end of the embedded steel pipe, and the ribbed plate (42) is connected with the free end through a bolt;
the first embedded lug plate (13) is arranged in the middle of the outer side surface of the prefabricated column (1) and right below the free end, and a second embedded lug plate (44) is arranged at the middle point of the lower end surface of the prefabricated beam; a damper (5) is arranged between the first embedded ear plate (13) and the second embedded ear plate (44).
2. The hinged non-damage energy-consumption prefabricated frame beam-column joint as claimed in claim 1, wherein the embedded steel pipes are cross-shaped, the embedded steel pipes comprise a transverse embedded steel pipe (11) and a longitudinal embedded steel pipe (12) which are arranged in the prefabricated column (1) in a penetrating manner, the transverse embedded steel pipe (11) and the longitudinal embedded steel pipe (12) are in the same plane, and the longitudinal embedded steel pipes (12) are provided with two and symmetrically arranged at the midpoint of the transverse embedded steel pipe (11); the cross section of the transverse embedded steel pipe (11) and the cross section of the longitudinal embedded steel pipe (12) are both rectangular, and the free end of the transverse embedded steel pipe (11) and the free end of the longitudinal embedded steel pipe (12) extend out of the prefabricated column (1);
the precast beams comprise precast main beams (2) arranged on the transverse direction and precast secondary beams (3) arranged on the longitudinal direction;
the section of the prefabricated girder (2) is rectangular, the lap joint notch (14) of the prefabricated girder (2) is erected on the free end of the transverse embedded steel pipe (11), and the ribbed plate (42) is connected with the free end through bolts; the lap joint notches (14) of the prefabricated secondary beams (3) are erected on the free ends of the longitudinal embedded steel pipes (12), and the ribbed plates (42) are connected with the free ends through bolts.
3. The hinged non-destructive energy-consuming prefabricated frame beam-column joint as claimed in claim 2, wherein round-head studs (6) are arranged on the surfaces of the transverse embedded steel pipe (11) and the longitudinal embedded steel pipe (12).
4. The hinged nondestructive energy-consuming prefabricated frame beam-column joint as claimed in claim 1, wherein a second oblique sizing block (10) is arranged in a gap between the rib plate (42) of the embedded connecting piece (4) and the free end.
5. The hinged atraumatic energy dissipating prefabricated frame beam-column joint of claim 4, wherein the second angle pad (10) is rectangular with at least one corner rounded off and a hole for passing a bolt is provided in the middle of the rectangle.
6. A hinged nondestructive energy-consumption prefabricated frame beam column joint is characterized by comprising a prefabricated column (1), pre-buried steel pipes arranged in the prefabricated column (1), a prefabricated beam, inserted steel pipes, a first pre-buried lug plate (13), a second pre-buried lug plate (44) and a damper (5),
the splicing steel pipe is arranged in the embedded steel pipe, and the free end of the splicing steel pipe extends out of the prefabricated column (1);
the lower part of one side, close to the precast column (1), of the precast beam is provided with a lap joint notch (14), a pre-embedded connecting piece (4) is arranged in the lap joint notch (14), the pre-embedded connecting piece (4) is U-shaped, the opening of the pre-embedded connecting piece is downward arranged, and the pre-embedded connecting piece (4) comprises an anchor plate (41), rib plates (42) arranged on two sides of the anchor plate (41) and anchor bars (43) arranged on the upper end surface of the anchor plate (41);
the lap joint notch (14) is erected on the free end of the splicing steel pipe, and the rib plate (42) is connected with the free end through a bolt;
the first embedded lug plate (13) is arranged in the middle of the outer side surface of the prefabricated column (1) and right below the free end, and a second embedded lug plate (44) is arranged at the middle point of the lower end surface of the prefabricated beam; a damper (5) is arranged between the first embedded ear plate (13) and the second embedded ear plate (44).
7. The hinged non-damage energy-consumption prefabricated frame beam-column joint as claimed in claim 6, wherein the embedded steel pipes are cross-shaped, the free ends of the embedded steel pipes are flush with the outer surface of the prefabricated column, each embedded steel pipe comprises a transverse embedded steel pipe (11) and a longitudinal embedded steel pipe (12), the transverse embedded steel pipes (11) are arranged in the prefabricated column (1) in a penetrating manner, the longitudinal embedded steel pipes (12) are arranged in the prefabricated column (1) in a penetrating manner and at the lower parts of the transverse embedded steel pipes (11), and the cross sections of the transverse embedded steel pipes (11) and the longitudinal embedded steel pipes (12) are both rectangular;
the section of the splicing steel pipe is rectangular, the splicing steel pipe comprises a transverse splicing steel pipe (8) arranged in a transverse embedded steel pipe (11) and a longitudinal splicing steel pipe (9) arranged in a longitudinal embedded steel pipe (12), and the free end of the transverse splicing steel pipe (8) and the free end of the longitudinal splicing steel pipe (9) extend out of the prefabricated column (1);
the precast beams comprise precast main beams (2) arranged on the transverse direction and precast secondary beams (3) arranged on the longitudinal direction;
the section of the prefabricated girder (2) is rectangular, the lap joint notch (14) of the prefabricated girder (2) is erected on the free end of the transverse splicing steel pipe (8), and the rib plate (42) is connected with the free end through bolts; the lap joint notches (14) of the prefabricated secondary beams (3) are erected on the free ends of the longitudinal splicing steel pipes (9), and the rib plates (42) are connected with the free ends through bolts.
8. The hinged non-destructive energy-consuming prefabricated frame beam-column joint as claimed in claim 6, wherein a first inclined sizing block (7) is arranged between the transverse embedded steel pipe (11) and the transverse splicing steel pipe (8); a first oblique sizing block (7) is arranged in the longitudinal embedded steel pipe (12) and the longitudinal splicing steel pipe (9).
9. The hinged atraumatic energy dissipating prefabricated frame beam-column joint of claim 6, wherein the distance between two adjacent ribs (42) is 2-5 mm.
10. The hinged atraumatic energy dissipating prefabricated frame beam-column joint of claim 6, wherein the overlapping notches (14) have a depth of 100-400 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920896898.3U CN210562612U (en) | 2019-06-14 | 2019-06-14 | Hinged nondestructive energy-consumption prefabricated frame beam-column joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920896898.3U CN210562612U (en) | 2019-06-14 | 2019-06-14 | Hinged nondestructive energy-consumption prefabricated frame beam-column joint |
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| CN210562612U true CN210562612U (en) | 2020-05-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258791A (en) * | 2019-06-14 | 2019-09-20 | 中国建筑股份有限公司 | A kind of hingedly not damaged energy consumption precast frame bean column node and its construction method |
| CN112854478A (en) * | 2021-01-14 | 2021-05-28 | 宿迁学院 | Energy-consuming and shock-absorbing beam-column node structure for prefabricated building |
| CN114909011A (en) * | 2022-05-11 | 2022-08-16 | 重庆大学 | Floor damage-free replaceable assembled beam column node |
-
2019
- 2019-06-14 CN CN201920896898.3U patent/CN210562612U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258791A (en) * | 2019-06-14 | 2019-09-20 | 中国建筑股份有限公司 | A kind of hingedly not damaged energy consumption precast frame bean column node and its construction method |
| CN110258791B (en) * | 2019-06-14 | 2024-04-26 | 中国建筑股份有限公司 | Hinged nondestructive energy consumption prefabricated frame beam column node and construction method thereof |
| CN112854478A (en) * | 2021-01-14 | 2021-05-28 | 宿迁学院 | Energy-consuming and shock-absorbing beam-column node structure for prefabricated building |
| CN112854478B (en) * | 2021-01-14 | 2022-02-08 | 宿迁学院 | Energy-consuming and shock-absorbing beam-column node structure for prefabricated building |
| CN114909011A (en) * | 2022-05-11 | 2022-08-16 | 重庆大学 | Floor damage-free replaceable assembled beam column node |
| CN114909011B (en) * | 2022-05-11 | 2024-06-11 | 重庆大学 | Replaceable assembled beam column node free of floor damage |
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