CN116856571A - Assembled beam column flexible damping node assembly, node structure and construction method - Google Patents
Assembled beam column flexible damping node assembly, node structure and construction method Download PDFInfo
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- CN116856571A CN116856571A CN202310209534.4A CN202310209534A CN116856571A CN 116856571 A CN116856571 A CN 116856571A CN 202310209534 A CN202310209534 A CN 202310209534A CN 116856571 A CN116856571 A CN 116856571A
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 238000013016 damping Methods 0.000 title claims abstract description 14
- 239000004567 concrete Substances 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 64
- 239000010959 steel Substances 0.000 claims description 64
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000035939 shock Effects 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 239000011178 precast concrete Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application discloses an assembled beam column flexible damping node assembly, a node structure and a construction method, wherein the node structure comprises a column end connecting piece, a beam end connecting piece and a hydraulic support assembly for connecting two parts; the column end connecting piece is sleeved outside the concrete column, and a plurality of first hydraulic supporting pieces and second hydraulic supporting pieces are arranged between the column end connecting piece and the beam end connecting piece. The beam column node can move a little along the transverse direction of the beam, and can also convert the vertical displacement generated when the beam column node is subjected to shearing force into the transverse beam displacement to a certain extent, so that the energy consumption during the earthquake can be realized, and the node can have better reliability than the common beam column node during the earthquake.
Description
Technical Field
The application relates to the technical field of concrete structure connection of building structures, in particular to an assembled beam column flexible damping node assembly, a node structure and a construction method.
Background
At present, the building industry gradually goes to industrialization, prefabricated and fabricated concrete structural members are prefabricated in factories, and then assembled and connected in a construction site in a specific connection mode, so that the method is a main method for realizing the building industrialization. Compared with the cast-in-place concrete structure, the assembled concrete structure can save energy, save templates, improve the construction efficiency of workers, accelerate the overall construction speed and the like when in site construction.
As can be known from a great deal of early experience, the fabricated concrete structure has poor integrity and shock resistance, and one of the main reasons is the problem of beam column node connection during site construction. Nowadays, high-rise buildings are more and more, the anti-seismic performance of the assembled concrete structure is greatly dependent on the anti-seismic performance of beam column joints of the assembled building, and when an earthquake occurs, the earthquake force can cause the high-rise buildings to swing greatly, and finally the buildings are inclined and damaged.
Disclosure of Invention
Aiming at the problems, in view of the defects and shortcomings of the prior art, the application provides an assembled beam column flexible damping node assembly, a node structure and a construction method, which are reasonable in structural design and convenient to construct, can realize standardization and productization of beam column connecting nodes, can translate the beam in a transverse direction to a certain extent when an earthquake occurs, and can convert the vertical displacement generated when the beam column nodes are sheared into the beam transverse displacement to a certain extent, thereby achieving the effects of energy consumption and damping and reducing the damage to a building.
An assembled beam column flexible damping node assembly comprises a column end connecting piece, a beam end connecting piece and a hydraulic support assembly for connecting two components; the column end connecting piece is sleeved outside the concrete column, and a plurality of first hydraulic supporting pieces are arranged on each side face of the column end connecting piece; the beam end connecting piece is of a transversely-arranged pi-shaped structure, and comprises an upper transverse plate, a vertical plate and a lower transverse plate which are sequentially connected, wherein the vertical plate is connected with a first hydraulic support piece, the upper transverse plate and the lower transverse plate are respectively and rotationally connected with a second hydraulic support piece, the other ends of the second hydraulic support pieces are respectively and rotationally connected with a post end auxiliary connecting sleeve, the upper end and the lower end of the post end connecting piece are respectively connected with a concrete post through two post end auxiliary connecting sleeves, the first hydraulic support piece and the second hydraulic support piece are mutually communicated through a guide pipe, and the telescopic states of the two hydraulic support pieces are opposite through the conveying of hydraulic oil.
Further, each side of the post end connector is provided with a spring connection assembly that is connected with the riser of the corresponding side.
Further, the spring coupling assembling includes the bracing piece, the outside cover of bracing piece is equipped with the spring, the both ends of bracing piece all are provided with the bellying, and wherein, first bellying is located post end connecting piece inside, and the second bellying is located the outside of riser.
Further, the bracing piece includes two parts of detachable connection, and every part is a protruding font structure, and the thinner end of two protruding font structures passes through mortise and tenon fourth of the twelve earthly branches structure connection.
Further, the spring connecting assembly further comprises an outer sleeve with an opening at one end, the outer sleeve is sleeved outside the spring and the second protruding portion, and the length of the outer sleeve is larger than the distance between the second protruding portion and the vertical plate.
Further, the open end of the outer sleeve is threadedly connected to the riser.
Further, the upper surface of the upper transverse plate and the lower surface of the lower transverse plate are respectively provided with a rotating seat, a rotating shaft is rotationally connected to the rotating seats, and the left end and the right end of the rotating shaft are respectively connected with a second hydraulic supporting piece.
Further, the lower surface of the upper transverse plate and the upper surface of the lower transverse plate are respectively provided with a U-shaped steel bar connecting piece, and the opening end of the U-shaped steel bar connecting piece is connected with the upper transverse plate or the lower transverse plate.
Further, the upper end of the inner surface of the column end connecting piece is provided with grooves, and all the grooves are internally clamped with the inner reinforcing support.
Further, the column end connecting piece is of a hollow quadrangular prism structure formed by four steel plates, and adjacent steel plates are connected through the corner plates.
Further, the angle plate is the same as the steel plate in height, and the angle plate is connected with the steel plate through a screw.
Further, a group of first hydraulic supporting pieces are arranged at the upper end and the lower end of each steel plate, and the spring connecting assembly is positioned between the upper group of first hydraulic supporting pieces and the lower group of first hydraulic supporting pieces.
Further, the axis of the first hydraulic support is arranged to intersect with the axis of the concrete column.
Further, the first hydraulic support piece comprises an I-shaped component, a plurality of hydraulic supports are embedded on the I-shaped component, five mounting grooves matched with the shapes of the hydraulic supports are respectively arranged at corresponding positions of the upper end and the lower end of the steel plate, and I-shaped grooves matched with the shapes of the I-shaped component are respectively arranged at the upper end and the lower end of the vertical plate.
Further, two ends of the second hydraulic support piece are connected with the rotating shaft through screws.
Further, two ends of the second hydraulic support piece are provided with a through hole, and the end part of the rotating shaft is fixed through a screw or a pin shaft after being inserted into the through hole.
Further, the auxiliary connecting sleeve at the column end is of an octagonal structure, connecting rib plates are arranged between two opposite connecting edges connected with the second hydraulic support piece, and the two connecting rib plates are mutually crossed to form a cross structure.
The application also discloses an assembled beam column flexible damping node which comprises the node assembly, wherein a precast concrete column is poured inside an end connecting piece of the node assembly, and a precast concrete beam is poured outside a beam end connecting piece of the node assembly.
The application also discloses a construction method of the assembled beam column flexible damping joint, which comprises the following steps:
the first step: customizing beam end connecting pieces, rotating seats, rotating shafts, U-shaped steel bar connecting pieces, spring connecting assemblies, steel plates, angle plates, first hydraulic supporting pieces, second hydraulic supporting pieces, outer sleeves, post end auxiliary connecting sleeves and inner reinforcing brackets in factories, and reserving holes required by connection at corresponding positions of vertical plates and the steel plates;
and a second step of: the four steel plates and the four corner plates are connected into a quadrangular prism structure through bolts;
and a third step of: fixing each five hydraulic supports on an I-shaped component, fixing the I-shaped component on an I-shaped groove of a vertical plate through bolts, and connecting each hydraulic support with a corresponding steel plate;
fourth step: the thinner end of the supporting rod with a half-convex structure passes through the corresponding round hole on the steel plate, so that the convex part of the supporting rod is arranged at the inner side of the quadrangular prism, and the spring is sleeved into the thinner end; the thinner ends of the support rods of the other half of the convex-shaped structures are sleeved with springs, the thinner ends of the support rods of the convex-shaped structures penetrate out of each round hole of the vertical plate, at the moment, the thinner ends of the support rods of the two half of the convex-shaped structures are connected between the steel plate and the vertical plate through the mortise and tenon structures, and the mortise and tenon structures are fixed through bolts;
fifth step: inserting the internal reinforcing bracket into the groove of the steel plate and fixing the internal reinforcing bracket by bolts;
sixth step: the outer sleeve is sleeved on the spring connecting assembly and connected with the vertical plate through threads;
seventh step: each U-shaped steel bar connecting piece fixing piece is arranged on the upper transverse plate or the lower transverse plate and is fixed through bolts respectively;
eighth step: connecting the rotating seat with the upper transverse plate and the lower transverse plate, inserting the rotating shaft into the rotating seat, connecting one end of the second hydraulic support piece with the rotating shaft, and connecting the other end of the second hydraulic support piece with the auxiliary connecting sleeve at the column end through a bolt;
ninth step: the whole device is in a normal state, concrete is cast in place on post-pouring strips, longitudinal ribs extending out of a precast beam are sleeved into U-shaped steel bar connecting pieces of an upper transverse plate and a lower transverse plate after the strength of the concrete meets the requirement, the precast beam is bent manually, and finally the concrete is cast in place on post-pouring strips of the beam;
tenth step: and connecting the guide pipe on the first hydraulic support piece and the second hydraulic support piece after the strength of the cast-in-place concrete meets the requirement.
The application has the beneficial effects that:
(1) According to the application, the spring connecting components are arranged between the column end connecting pieces and the two end connecting pieces, so that the beams and the columns can slightly move transversely along the beams during an earthquake, the energy consumption during the earthquake can be realized, and the node has better reliability than the common beam-column node during the earthquake;
(2) According to the application, the hydraulic support piece is arranged, according to hydraulic balance, the vertical displacement of the beam due to shearing can be converted into the transverse displacement of the beam to a certain extent when an earthquake occurs, and the system ensures the shearing resistance of the node and simultaneously creatively realizes the elastic translation between the beam and the column;
(3) The angle plate can be connected with each steel plate through bolts, so that the integrity of the node is improved;
(4) All the components of the application can be processed and manufactured in factories, and are all connected in the field through bolts and mortise and tenon structures, so that the complete assembly construction is realized, the quality problems and air pollution caused by field welding can be avoided, the construction speed can be increased, the labor productivity can be improved, and the application has important significance for the development of the earthquake-resistant node of the push-assembly concrete structure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description and description will be made below of the drawings used in the embodiments or the description of the prior art, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a general block diagram of the present application;
FIG. 2 is an exploded view of the overall structure of the present application;
FIG. 3 is a block diagram of a shock node assembly;
FIG. 4 is a block diagram of FIG. 3 with the internal reinforcing brackets removed;
FIG. 5 is a block diagram of FIG. 3 with the auxiliary connection sleeve at the column end removed;
FIG. 6 is a block diagram of FIG. 5 with the swivel mount removed and a second hydraulic support member;
FIG. 7 is a block diagram of FIG. 6 with the outer sleeve removed;
FIG. 8 is a block diagram of FIG. 7 with the beam-end connectors and the first hydraulic support removed;
FIG. 9 is a structural view of a steel plate;
FIG. 10 is a block diagram of a support bar;
fig. 11 is a structural diagram of a pi-type structure;
FIG. 12 is a block diagram of an outer sleeve;
FIG. 13 is a diagram of a second hydraulic support connected to a swivel base;
FIG. 14 is a block diagram of a swivel base;
FIG. 15 is a block diagram of an "I" shaped slot and groove of a pi-shaped structure;
FIG. 16 is a block diagram of an "I" shaped member;
FIG. 17 is a schematic view of a post-cast strip.
Fig. 18 is a diagram of conduit communication between a first hydraulic support and a second hydraulic support.
In the figure, 1-an internal reinforcing support 2-a column end auxiliary connecting sleeve 3-an outer sleeve 4-a rotating seat 5-a second hydraulic support piece 6-a first hydraulic support piece 7-a corner plate 8-a U-shaped steel bar connecting piece 9-a steel plate 10-a pi-shaped structure 11-a supporting rod, 12-a concrete column, 13-a concrete beam, 14 and a guide pipe.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present application are included in the protection scope of the present application.
In the description of the present application, it should be understood that the terms "inner", "outer", "left", "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for purposes of describing the present application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The application discloses an assembled beam column flexible damping node structure shown in figures 1-17, which effectively enhances the anti-seismic performance by applying a hydraulic part and a spring to the beam column node structure. The structure comprises a concrete precast column, a concrete precast beam and a beam column connecting assembly for connecting the concrete precast column and the concrete precast beam. The beam column connecting assembly comprises a transversely arranged n-shaped structure 10, four steel plates 9 forming a quadrangular structure, a corner plate 7 connecting adjacent steel plates, a U-shaped steel bar connecting piece 8, a spring connecting assembly formed by combining a supporting rod 11 and a spring, a first hydraulic supporting piece 6, a second hydraulic supporting piece 5, a rotating seat 4, an outer sleeve 3, a column end auxiliary connecting sleeve 2, an inner reinforcing support 1, a 6mm bolt, a 10mm bolt, a 20mm bolt, a spring and a guide pipe. All parts are connected through a mortise and tenon structure or by bolts.
The pi-shaped structure comprises an upper transverse plate, a vertical plate and a lower transverse plate which are sequentially connected, four first round through holes are formed in the vertical plate, the thickness of the upper transverse plate and the thickness of the lower transverse plate are larger than that of the vertical plate, first concave grooves are formed in the upper surface of the upper transverse plate and the lower surface of the lower transverse plate, vertical grooves are formed in the left side surface and the right side surface of the upper transverse plate and the right side surface of the lower transverse plate, and bolt holes are formed in the vertical grooves for bolt fixing. The rotating seat 4 is arranged in the first groove, and the rotating seat 4 is fixed in the groove by bolts; the length of the U-shaped steel bar connecting piece 8 is the same as the widths of the upper transverse plate and the lower transverse plate, the sizes of the two ends of the U-shaped steel bar connecting piece 8 are the same as the sizes of the vertical grooves, and the opening ends of the U-shaped steel bar connecting piece 8 can be fixed in the vertical grooves through bolts. The upper and lower ends of the outer side of the vertical plate are respectively provided with an H-shaped groove, and the H-shaped component with the first hydraulic support piece 6 can be fixed in the H-shaped groove through bolts.
The longitudinal ribs extending out of the end parts of the precast beams can penetrate into the U-shaped frame of the U-shaped steel bar connecting piece 8 and manually bend the exceeding part extending to the outer part of the U-shaped steel bar connecting piece 8, so that a certain fixing effect is realized.
The rotatable seat 4 comprises a semi-cylindrical seat with a through hole and a rectangular plate, a bolt hole is formed in the rectangular plate, the rotatable seat 4 is connected with the upper transverse plate or the lower transverse plate, the rotating shaft is rotationally connected with the rotatable seat, two ends of the rotating shaft protrude out of the rotatable seat, through holes are formed in protruding parts at two ends of the cylinder, and the rotating shaft is connected with the second hydraulic support piece 5 through the through holes.
Two ends of the hydraulic cylinder at the middle part of the second hydraulic support piece 5 are connected with the rotating shaft through bolts, and two ends of the rotating shaft are respectively connected with the two rotating seats 4 through bolts.
The hydraulic cylinder is characterized in that two ends of the hydraulic cylinder are connected with the hydraulic cylinder through bolts at one end, a through hole is formed in the other end of the hydraulic cylinder, the diameter of the round hole is the same as that of a rotating shaft in the rotating seat 4, the hydraulic cylinder can be connected through bolts, and the hydraulic cylinder can rotate by taking the axis of the rotating shaft on the rotating seat 4 as the axis after connection.
The supporting rod 11 is dumbbell-shaped with thin middle and thick two ends, and has the specific structure that: the structure comprises a first convex-shaped structure and a second convex-shaped structure which are connected through mortise and tenon joints, wherein the thinner end of each convex-shaped structure can pass through holes in a steel plate 9 and a vertical plate, but the thicker end can not pass through the through holes in the two plates. The end of the thin part of the first convex-shaped structure is concave, the end of the thin part of the second convex-shaped structure is convex, bolt holes are formed in the concave part and the convex part, and the convex part of the second convex-shaped structure can be inserted into the concave part of the first convex-shaped structure and can be fixed through bolts.
The diameter of the spring is larger than that of the thinner part of the convex structure, but smaller than that of the thicker part of the convex structure, so that the spring can not pass through the two ends of the supporting rod 11 and can be just sleeved in the middle part of the supporting rod 11.
Four second through holes are formed in the front and rear faces of the steel plate 9, and the diameters of the second through holes are smaller than the diameter of the thicker part of the first convex-shaped structure but slightly larger than the diameter of the thinner part of the first convex-shaped structure so that the thinner part of the first convex-shaped structure can be inserted from inside to outside. Three bolt holes are provided from top to bottom on the left and right sides of the steel plate 9, so that the steel plates 9 on four sides of the column are connected into a quadrangular prism-shaped whole by the corner plates 7 and the bolts. Second grooves are formed in the upper end and the lower end of the steel plate 9, and the cross-shaped inner reinforcing support 1 can be inserted into and fixed through bolts.
The angle plate 7 is the same as the steel plate 9 in height, and the angle plate 7 is provided with countersunk holes at the same position as the side hole digging height of the steel plate 9, so that the four steel plates 9 are fixed together through the angle plate 7 by using screws.
The initial length value of the first hydraulic supports 6 is the same as the distance value between the vertical plate and the steel plate 9, and the five first hydraulic supports 6 are a group and are fixed on one I-shaped member through bolts. Five circular grooves with the same diameter as the first hydraulic support piece 6 are respectively arranged at the corresponding positions of the upper end and the lower end of the steel plate 9, the first hydraulic support piece can be fixed, I-shaped grooves are respectively arranged on the inner side surfaces of the upper end and the lower end of the vertical plate, and a group of prefabricated first hydraulic support pieces can be fixed on the vertical plate through bolts. As shown in fig. 18, the left and right ends of each hydraulic support are respectively connected with a conduit, and the other ends of the conduits are connected with the two ends of the second hydraulic support on the same side of the connecting assembly in a one-to-one correspondence manner, specifically: the first hydraulic support piece extension direction end is communicated with the second hydraulic support piece shortening direction end through the first guide pipe, and the first hydraulic support piece shortening direction end is communicated with the second hydraulic support piece extension direction end through the second guide pipe, so that hydraulic balance between the first hydraulic support piece and the second hydraulic support piece is realized, namely: when the second hydraulic support is compressed, hydraulic oil pushed out by the movement of the piston is delivered to the extension end of the first hydraulic support through the first conduit, stretching the piston rod in the first hydraulic support from the hydraulic cylinder, and the whole extension of the first hydraulic support is performed, and vice versa.
After the installation of the two hydraulic supports is completed, when the beam end is stressed and the downward displacement occurs: the n-shaped structure at the beam end can generate a downward corner along the rotating seat 4 in the vertical direction, the second hydraulic support above the beam stretches under tension, the second hydraulic support below the beam contracts under pressure, and hydraulic oil pushed out by the piston stretching motion of the second hydraulic support above the beam is conveyed to the first hydraulic support above the beam through the second guide pipe, so that the first hydraulic support above the beam is promoted to contract; the hydraulic oil pushed out by the contraction movement of the piston of the second hydraulic support piece under the beam is conveyed to the first hydraulic support piece under the beam through the first conduit, so that the first hydraulic support piece under the beam is promoted to extend; therefore, the corner displacement of the n-shaped structure can be limited to a certain extent due to the hydraulic balance at the position of the first hydraulic support piece.
The outer sleeve 3 is sleeved outside the dumbbell-shaped supporting rod 11, so that the dumbbell-shaped supporting rod 11 loses a moving space for preventing post-pouring concrete. One end of the outer sleeve 3 is closed, the other end is an opening, and the opening is provided with threads and can be fixedly connected with the vertical plate.
The post end auxiliary connecting sleeve 2 is arranged at the post pouring zone of the post and is connected with four rotating seats 4 on the post through bolts.
The four ends of the inner reinforcing bracket 1 are respectively provided with a flange, and the flanges can be inserted into second grooves preset in the steel plate 9 and fixed through bolts.
The installation method of the flexible damping node structure of the assembled hydraulic spring comprises the following steps:
the first step: the method comprises the steps of customizing a pi-shaped structure arranged at a beam end, a steel plate 9 arranged at a column edge, a U-shaped steel bar connecting piece 8, a dumbbell-shaped spring connecting piece, a corner plate 7 (connecting the steel plates with holes in the column edge), a first hydraulic support piece 6, a second hydraulic support piece 5, a rotating seat 4, an outer sleeve 3, an auxiliary connecting sleeve 2 at the column end, an internal reinforcing support 1, a 6mm bolt, a 10mm bolt, a 20mm bolt, a spring and a guide pipe in a factory. Bolt holes required by connection are reserved at corresponding positions of various steel plates and connecting pieces;
and a second step of: the hole digging steel plates 9 of the four column edges are connected with the four corner plates 7 in pairs through bolts;
and a third step of: five first hydraulic supports 6 are fixed to one of the "i" shaped members, and the "i" shaped member is fixed to the riser at the beam end by bolts.
Fourth step: and (3) enabling one half of the dumbbell-shaped spring connecting piece to pass through each round hole in the hole digging steel plate at the column side, enabling one end with a larger diameter of the dumbbell-shaped spring connecting piece to be arranged at the inner side of the column, sleeving the spring into the other half of the dumbbell-shaped spring connecting piece, enabling the dumbbell-shaped spring connecting piece to pass out of each round hole of the vertical plate of the n-shaped structure 10 at the beam end, and enabling the connecting part of the two half of the dumbbell-shaped spring connecting pieces to be positioned between the steel plate 9 at the column side and the n-shaped structure 10 at the beam end. Aligning the first hydraulic support 6 with the concave groove of the steel plate 9 at the column edge, sleeving the other spring into a dumbbell-shaped spring connector part between the two plates, and connecting each two half dumbbell-shaped spring connectors together by using bolts;
fifth step: inserting the cross-shaped supporting piece into the inverted T-shaped groove of the steel plate 9 at the column edge, and fixing the cross-shaped supporting piece by using a bolt;
sixth step: the outer sleeve 3 is sleeved on the dumbbell-shaped spring connecting piece and is fixed on the n-shaped structure 10 at the beam end through bolts;
seventh step: each U-shaped steel bar connecting piece 8 is arranged in a vertical groove of a pi-shaped structure 10 at the beam end and is fixed by bolts respectively;
eighth step: the rectangular plate of the rotatable seat 4 is fixed on the upper and lower transverse of the n-shaped structure 10 at the beam end through bolts, and the end hole of the second hydraulic support 5 is sleeved into the cylindrical component of the rotatable seat 4 and is fixed through bolts. The other end of the second hydraulic support 5 is assembled in the same manner, but the rectangular plate at the other end is connected with the octagonal support 2 placed on the post-cast strip by bolts.
Ninth step: the whole device is in a normal state, concrete is cast in place on post-pouring strips, longitudinal ribs extending out of a precast beam are sleeved into U-shaped steel bar connectors 8 of the n-shaped structure 10 after the strength of the concrete meets the requirement, the steel bars are bent manually, and finally the concrete is cast in place on post-pouring strips of the beam.
Tenth step: and after the strength of the cast-in-place concrete meets the requirement, connecting the guide pipe to the first hydraulic support 6 and the second hydraulic support 5.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application will not be limited to the embodiments shown herein.
Claims (10)
1. The assembled beam column flexible damping node assembly is characterized by comprising a column end connecting piece, a beam end connecting piece and a hydraulic support assembly for connecting the two components; the column end connecting piece is sleeved outside the concrete column, and a plurality of first hydraulic supporting pieces are arranged on each side face of the column end connecting piece; the beam end connecting piece is of a transversely-arranged pi-shaped structure, and comprises an upper transverse plate, a vertical plate and a lower transverse plate which are sequentially connected, wherein the vertical plate is connected with a first hydraulic support piece, the upper transverse plate and the lower transverse plate are respectively and rotationally connected with a second hydraulic support piece, the other ends of the second hydraulic support pieces are respectively and rotationally connected with a post end auxiliary connecting sleeve, the upper end and the lower end of the post end connecting piece are respectively connected with a concrete post through two post end auxiliary connecting sleeves, the first hydraulic support piece and the second hydraulic support piece are mutually communicated through a guide pipe, and the telescopic states of the two hydraulic support pieces are opposite through the conveying of hydraulic oil.
2. The fabricated beam-column flexible shock absorbing node assembly of claim 1, wherein each side of the column end connector is provided with a spring connector assembly that connects with a riser on the corresponding side.
3. The fabricated beam-column flexible shock absorbing joint assembly according to claim 2, wherein the spring connection assembly comprises a support rod, the support rod is externally sleeved with a spring, two ends of the support rod are provided with protruding portions, wherein the first protruding portion is located inside the column end connection piece, and the second protruding portion is located outside the riser.
4. A fabricated beam column flexible shock absorbing joint assembly according to claim 3, wherein the supporting rod comprises two detachably connected parts, each part having a convex structure, and the thinner ends of the two convex structures are connected by a mortise and tenon structure.
5. A fabricated beam column flexible shock absorbing node assembly according to claim 3, wherein the spring connector assembly further comprises an outer sleeve having an opening at one end, the outer sleeve being sleeved outside the spring and the second boss, the outer sleeve having a length greater than a distance between the second boss and the riser.
6. The flexible damping node assembly for the fabricated beam column according to claim 2, wherein the upper surface of the upper transverse plate and the lower surface of the lower transverse plate are respectively provided with a rotating seat, the rotating seats are rotatably connected with rotating shafts, and the left end and the right end of each rotating shaft are respectively connected with a second hydraulic supporting piece.
7. The flexible shock absorbing node assembly of claim 2, wherein the upper end of the inner surface of the post end connector is provided with grooves, and all grooves are commonly clamped with the inner reinforcing bracket.
8. The flexible shock absorbing node assembly of claim 2, wherein each of the steel plates has a set of first hydraulic supports at its upper and lower ends, and the spring connection assembly is located between the upper and lower sets of first hydraulic supports.
9. A fabricated beam-column flexible shock absorbing node, the node comprising a node assembly according to any one of claims 1-8, a precast concrete column being cast inside an end connector of the node assembly, and a precast concrete beam being cast outside a beam end connector of the node assembly.
10. The construction method of the assembled beam column flexible damping joint according to claim 4, comprising the following steps:
the first step: customizing beam end connecting pieces, rotating seats, rotating shafts, U-shaped steel bar connecting pieces, spring connecting assemblies, steel plates, angle plates, first hydraulic supporting pieces, second hydraulic supporting pieces, outer sleeves, post end auxiliary connecting sleeves and inner reinforcing brackets in factories, and reserving holes required by connection at corresponding positions of vertical plates and the steel plates;
and a second step of: the four steel plates and the four corner plates are connected into a quadrangular prism structure through bolts;
and a third step of: fixing each five hydraulic supports on an I-shaped component, fixing the I-shaped component on an I-shaped groove of a vertical plate through bolts, and connecting each hydraulic support with a corresponding steel plate;
fourth step: the thinner end of the supporting rod with a half-convex structure passes through the corresponding round hole on the steel plate, so that the convex part of the supporting rod is arranged at the inner side of the quadrangular prism, and the spring is sleeved into the thinner end; the thinner ends of the support rods of the other half of the convex-shaped structures are sleeved with springs, the thinner ends of the support rods of the convex-shaped structures penetrate out of each round hole of the vertical plate, at the moment, the thinner ends of the support rods of the two half of the convex-shaped structures are connected between the steel plate and the vertical plate through the mortise and tenon structures, and the mortise and tenon structures are fixed through bolts;
fifth step: inserting the internal reinforcing bracket into the groove of the steel plate and fixing the internal reinforcing bracket by bolts;
sixth step: the outer sleeve is sleeved on the spring connecting assembly and connected with the vertical plate through threads;
seventh step: each U-shaped steel bar connecting piece fixing piece is arranged on the upper transverse plate or the lower transverse plate and is fixed through bolts respectively;
eighth step: connecting the rotating seat with the upper transverse plate and the lower transverse plate, inserting the rotating shaft into the rotating seat, connecting one end of the second hydraulic support piece with the rotating shaft, and connecting the other end of the second hydraulic support piece with the auxiliary connecting sleeve at the column end through a bolt;
ninth step: the whole device is in a normal state, concrete is cast in place on post-pouring strips, longitudinal ribs extending out of a precast beam are sleeved into U-shaped steel bar connecting pieces of an upper transverse plate and a lower transverse plate after the strength of the concrete meets the requirement, the precast beam is bent manually, and finally the concrete is cast in place on post-pouring strips of the beam;
tenth step: and connecting the guide pipe on the first hydraulic support piece and the second hydraulic support piece after the strength of the cast-in-place concrete meets the requirement.
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| CN202310209534.4A CN116856571A (en) | 2023-03-07 | 2023-03-07 | Assembled beam column flexible damping node assembly, node structure and construction method |
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| CN202310209534.4A CN116856571A (en) | 2023-03-07 | 2023-03-07 | Assembled beam column flexible damping node assembly, node structure and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117605148A (en) * | 2024-01-22 | 2024-02-27 | 成都中品建设工程有限公司 | Green building and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117605148A (en) * | 2024-01-22 | 2024-02-27 | 成都中品建设工程有限公司 | Green building and construction method thereof |
| CN117605148B (en) * | 2024-01-22 | 2024-04-30 | 成都中品建设工程有限公司 | Green building and construction method thereof |
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