CN113653076B - Assembly type intelligent frame node with damping particles and construction method - Google Patents
Assembly type intelligent frame node with damping particles and construction method Download PDFInfo
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- CN113653076B CN113653076B CN202111012739.0A CN202111012739A CN113653076B CN 113653076 B CN113653076 B CN 113653076B CN 202111012739 A CN202111012739 A CN 202111012739A CN 113653076 B CN113653076 B CN 113653076B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
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Abstract
The invention discloses an assembled intelligent frame node with damping particles and a construction method, relating to the technical field of frame nodes and comprising the following steps: a node post; the four I-shaped steels are arranged in a circumferential array, and each I-shaped steel is connected with the node column by adopting an energy dissipation mechanism; one end of the telescopic device is connected with the I-shaped steel through the mounting seat, the other end of the telescopic device is connected to the top disc, and the top disc is fixed on the node column; a plurality of pressure sensors are embedded in the node columns, and the pressure sensors and the expansion pieces are controlled by a controller in a unified manner; and when the two I-beams in the same direction have pressure towards the direction of the node column and the pressure exceeds a preset threshold value, the controller controls one of the two retractors corresponding to the two I-beams to slightly extend and the other to slightly retract.
Description
Technical Field
The invention relates to the technical field of frame nodes, in particular to an assembled intelligent frame node with damping particles and a construction method.
Background
In the side slope protection process, thereby need to construct the frame and form the support on the domatic slope that has leveled, the frame often includes horizontal frame and longitudinal frame and is used for connecting the frame node of horizontal frame and longitudinal frame, and the frame on the side slope can absorb the produced instantaneous impact energy of earthquake to a certain extent, and this also causes the frame to produce deformation and move a little, and then influences the frame node for the frame node suffers destruction, and then follow-up change node post is then comparatively loaded down with trivial details.
Therefore, it is necessary to provide a fabricated smart frame node with damping particles and a construction method thereof to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an assembled smart frame node with dampening particles, comprising:
a node post;
the four I-beams are arranged in a circumferential array, and each I-beam is connected with the node column by adopting an energy dissipation mechanism; and
one end of the expansion piece is connected with the I-shaped steel through the mounting seat, the other end of the expansion piece is connected to the top disc, and the top disc is fixed on the node column;
a plurality of pressure sensors are embedded in the node columns, and the pressure sensors and the expansion pieces are controlled by a controller in a unified manner;
and when the two I-beams in the same direction have pressure towards the direction of the node column and the pressure exceeds a preset threshold value, the controller controls one of the two retractors corresponding to the two I-beams to slightly extend and the other to slightly retract.
Further, preferably, a plurality of upper limiting plates arranged in a circumferential array and a plurality of lower limiting plates arranged in a circumferential array are fixed on the node column;
gaps for placing energy dissipation mechanisms are formed between every two adjacent upper limiting plates and between every two adjacent lower limiting plates.
Further, preferably, the upper limiting plate and the lower limiting plate are arranged in a one-to-one correspondence manner.
Preferably, the upper and lower limiting plates have the same shape and size, and the gaps formed by the upper and lower limiting plates are both open trapezoidal groove-shaped.
Further, preferably, the energy dissipation mechanism includes:
the outer surface of the outer cylinder corresponds to the gap, and the inner part of the outer cylinder is of a cylindrical groove structure;
the inner cylinder is arranged in the outer cylinder in a sliding manner; and
the connecting rod penetrates through the outer cylinder in a sliding mode so that one end of the connecting rod is connected with the inner cylinder, and the other end of the connecting rod is connected with the damping particle mechanism;
still the cover is equipped with the spring on the connecting rod, the one end of spring is connected to on the lateral wall of urceolus, and the other end is connected to on the connecting rod.
Further, preferably, a plug body is further arranged in the inner cylinder, the plug body is fixed in the inner cylinder in a suspending mode through a rod body, the rod body penetrates through the inner cylinder in a sliding mode and is fixed to the side wall of the outer cylinder, and a shear thickening agent is filled in the inner cylinder.
Preferably, the inner cylinder is symmetrically provided with a first ring body and a second ring body, the inner surfaces of the first ring body and the second ring body form a circular truncated cone shape, the plug body is provided with two resistance increasing surfaces, and the two resistance increasing surfaces are correspondingly arranged with the first ring body and the second ring body in a wedge-shaped matching mode respectively.
Further, preferably, the particle damping mechanism includes:
the vibration damping groove is fixed on the connecting rod;
the connecting plate is fixed at the notch of the damping groove; and
one end of each first spring is connected with the connecting plate, the other end of each first spring is connected with the vibration-damping cylinder assembly, each vibration-damping cylinder assembly comprises at least four vibration-damping cylinders which are sequentially connected through second springs and form a rectangle, and the vibration-damping cylinders are filled with shear thickening agents and damping particles.
Further, preferably, a chassis is fixed to the bottom of the node column, and an anchor rod is arranged at the bottom of the chassis.
A construction method of an assembled intelligent frame node with damping particles comprises the following steps:
s1, constructing a frame groove on a leveled slope, and presetting and pouring a frame in the frame groove;
s2, placing a node column at a node of the frame, and presetting an upper limiting plate and a lower limiting plate on the node column;
s3, the node columns are anchored in the slope surface through anchor rods, meanwhile, steel bars reserved on the side portions of the frame are placed on the side surfaces of I-shaped steel in a staggered mode, and energy dissipation mechanisms are preset on the I-shaped steel;
s4, clamping and embedding the energy dissipation mechanism into a gap formed between the upper limiting plate and the lower limiting plate; then concrete is poured at the positions of the frame nodes;
s5, mounting a telescopic device on the top of each I-shaped steel, and connecting the other end of the telescopic device to the top disc.
Compared with the prior art, the invention provides an assembled intelligent frame node with damping particles and a construction method, and the assembled intelligent frame node with the damping particles has the following beneficial effects:
in the embodiment of the invention, when the two I-beams in the same direction have pressure towards the direction of the node column and the pressure exceeds a preset threshold value, the controller controls one of the two retractors corresponding to the two I-beams to perform micro-extension action and the other one of the two retractors to perform micro-contraction action, so that the two pressure directions are staggered, the degree of extrusion damage of the node column is reduced at the cost of micro-inclination of the node column, and the later-stage straightening and grouting repair are facilitated.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a fabricated smart frame node with damping particles;
FIG. 2 is a schematic diagram of a first embodiment of a fabricated smart frame node with dampening particles;
FIG. 3 is a schematic diagram of a second embodiment of a fabricated smart frame node with dampening particles;
FIG. 4 is a schematic structural diagram of an energy dissipation mechanism in an assembled smart frame node with damping particles;
in the figure: 1. a node post; 2. an upper limiting plate; 3. a lower limiting plate; 4. i-shaped steel; 5. an energy dissipation mechanism; 6. a mounting seat; 7. a chassis; 8. an anchor rod; 9. a top tray; 10. a retractor; 51. an outer cylinder; 52. an inner barrel; 53. a connecting rod; 54. a vibration damping tank; 55. a connecting plate; 56. a first spring; 57. a vibration damping cylinder; 58. a second spring; 59. a plug body; 510. a first ring body; 511. a second ring body.
Detailed Description
Referring to fig. 1 to 4, the present invention provides an assembled smart frame node with damping particles, including:
a node post 1;
the I-beams 4 are configured into four in circumferential array arrangement, and each I-beam 4 is connected with the node column 1 by adopting an energy dissipation mechanism 5; and
one end of the expansion piece 10 is connected with the I-shaped steel 4 through the mounting seat 6, the other end of the expansion piece is connected to the top disc 9, and the top disc 9 is fixed on the node column 1;
moreover, a plurality of pressure sensors are embedded in the node column 1, and the pressure sensors and the expansion pieces 10 are controlled by a controller in a unified manner;
when the two i-beams in the same direction have pressure towards the direction of the node column 1 and the pressure exceeds a preset threshold value, the controller controls one of the two retractors 10 corresponding to the two i-beams to perform micro-extension action and the other to perform micro-contraction action, it needs to be explained that a frame on a side slope can absorb instantaneous impact energy generated by an earthquake to a certain extent, and meanwhile, the frame is deformed and slightly moved to further influence the frame node, so that the frame node is damaged, wherein when the two i-beams in the same direction have force in the same direction on the node column 1, the two i-beams in the same direction can cause micro-deflection or micro-inclination of the whole node column 1, the influence is small, and the later-stage correction and grouting repair can be performed;
in the embodiment of the invention, when the two I-beams in the same direction have the pressure towards the direction of the node column 1, the node column is possibly extruded and damaged, and the subsequent node column replacement is complicated, and when the two I-beams in the same direction have the pressure towards the direction of the node column 1 and the pressure exceeds a preset threshold value, the controller controls one of the two expansion devices 10 corresponding to the two I-beams to perform micro-extension action and the other one to perform micro-contraction action, as shown in fig. 3, so that the two pressure directions are staggered, the extrusion and damage degree of the node column is reduced at the cost of micro-inclination of the node column, and the later-stage straightening and grouting repair are facilitated.
As a preferred embodiment, a plurality of upper limiting plates 2 arranged in a circumferential array and a plurality of lower limiting plates 3 arranged in a circumferential array are further fixed on the node column 1;
gaps for placing energy dissipation mechanisms 5 are formed between every two adjacent upper limiting plates 2 and between every two adjacent lower limiting plates 3;
the upper limiting plate 2 and the lower limiting plate 3 are arranged in a one-to-one correspondence manner.
So can make energy dissipation mechanism can install on nodal column 1 with the assembled, convenient and fast.
In a preferred embodiment, the upper limiting plate 2 and the lower limiting plate 3 have the same shape and size, and the gaps formed by the upper limiting plate 2 and the lower limiting plate 3 are all in an open trapezoid groove shape, that is, a dovetail groove-shaped gap can be formed between the upper limiting plate 2 and the lower limiting plate 3, and the dovetail groove-shaped gap is convenient to install and can improve the overall firmness.
In this embodiment, as shown in fig. 4, the energy dissipation mechanism 5 includes:
an outer cylinder 51 having an outer surface corresponding to the gap and an inner cylindrical groove structure;
an inner cylinder 52 slidably disposed in the outer cylinder 51; and
a connecting rod 53 slidably penetrating the outer cylinder 51 so that one end thereof is connected to the inner cylinder 52 and the other end thereof is connected to a damped particle mechanism connected to the i-beam;
still the cover is equipped with the spring on the connecting rod 53, on the one end of spring was connected to the lateral wall of urceolus 51, on the other end was connected to connecting rod 53, the spring was high strength reset spring.
In this embodiment, the inner cylinder 52 is further provided with a plug body 59, the plug body 59 is suspended and fixed in the inner cylinder 52 by adopting a rod body, the rod body slides through the inner cylinder 52 and is fixed on the side wall of the outer cylinder, the shear thickening agent is further filled in the inner cylinder 52, when the outer frame drives the connecting rod 53 to slightly move through the i-steel, the inner cylinder 52 moves relative to the plug body 59, the plug body can effectively push the shear thickening agent, and at this time, the shear thickening agent can fully realize energy consumption.
As a preferred embodiment, the inner cylinder 52 is symmetrically provided with a first ring 510 and a second ring 511, the inner surfaces of the first ring and the second ring form a circular truncated cone, and the plug 59 has two resistance-increasing surfaces, and the two resistance-increasing surfaces are respectively arranged in a wedge-shaped fit with the first ring and the second ring, so that a friction energy-consuming mechanism is added between the inner cylinder and the plug, and the overall energy-consuming effect is improved.
In addition, the dampening particle mechanism includes:
a damper groove 54 fixed to the connecting rod 53;
a connection plate 55 fixed at a notch of the damping groove 54; and
and one end of each of the at least two first springs 56 is connected with the connecting plate 55, the other end of each of the at least two first springs 56 is connected with the vibration-damping cylinder assembly, the vibration-damping cylinder assembly comprises at least four vibration-damping cylinders 57 which are sequentially connected by adopting second springs 58 and form a rectangle, and the vibration-damping cylinders 57 are filled with shear thickening agents and damping particles.
Through the arrangement of the vibration absorption cylinder, the shear thickening agent and the damping particles are placed in the vibration absorption cylinder, and the vibration energy from the I-steel can be effectively absorbed.
In this embodiment, a chassis 7 is fixed to the bottom of the node column 1, and an anchor rod 8 is disposed at the bottom of the chassis 7.
A construction method of an assembled intelligent frame node with damping particles comprises the following steps:
s1, constructing a frame groove on a leveled slope, and presetting and pouring a frame in the frame groove;
s2, placing a node column 1 at a node of the frame, and presetting an upper limiting plate and a lower limiting plate on the node column;
s3, the node column 1 is anchored in a slope surface through an anchor rod 8, meanwhile, the steel bars reserved on the edge of the frame are placed on the side surface of the I-shaped steel in a staggered mode, and an energy dissipation mechanism 5 is preset on the I-shaped steel;
s4, clamping and embedding the energy dissipation mechanism 5 into a gap formed between the upper limiting plate and the lower limiting plate; then concrete is poured at the positions of the frame nodes;
s5, mounting a telescopic device 10 at the top of each I-shaped steel, and connecting the other end of the telescopic device 10 to the top disc 9.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. The utility model provides an assembled intelligent frame node with damping granule which characterized in that: the method comprises the following steps:
a node post (1);
the node column comprises I-shaped steels (4) which are arranged in a circumferential array, wherein each I-shaped steel (4) is connected with the node column (1) through an energy dissipation mechanism (5); and
one end of the expansion piece (10) is connected with the I-shaped steel (4) through the mounting seat (6), the other end of the expansion piece is connected to the top disc (9), and the top disc (9) is fixed on the node column (1);
moreover, a plurality of pressure sensors are embedded in the node column (1), and the pressure sensors and the expansion pieces (10) are controlled by a controller in a unified manner;
when the two I-beams in the same direction have pressure towards the direction of the node column (1) and the pressure exceeds a preset threshold value, the controller controls one of the two retractors (10) corresponding to the two I-beams to perform micro-extension action and the other one of the two retractors to perform micro-contraction action;
a plurality of upper limiting plates (2) which are arranged in a circumferential array and a plurality of lower limiting plates (3) which are arranged in a circumferential array are also fixed on the node column (1);
gaps for placing the energy dissipation mechanism (5) are formed between every two adjacent upper limiting plates (2) and between every two adjacent lower limiting plates (3);
the energy dissipation mechanism (5) comprises:
an outer cylinder (51) with an outer surface corresponding to the gap and an inner cylindrical groove structure;
an inner cylinder (52) slidably provided in the outer cylinder (51); and
a connecting rod (53) slidably penetrating the outer cylinder (51) so that one end thereof is connected to the inner cylinder (52) and the other end thereof is connected to the damping particle mechanism;
a spring is further sleeved on the connecting rod (53), one end of the spring is connected to the side wall of the outer cylinder (51), and the other end of the spring is connected to the connecting rod (53);
the damped particle mechanism includes:
a vibration damping groove (54) fixed to the connecting rod (53);
a connection plate (55) fixed at the notch of the vibration damping groove (54); and
one end of each first spring (56) is connected with the connecting plate (55), the other end of each first spring is connected with the vibration-damping cylinder assembly, each vibration-damping cylinder assembly comprises at least four vibration-damping cylinders (57) which are sequentially connected by adopting second springs (58) and form a rectangle, and shear thickening agents and damping particles are filled in the vibration-damping cylinders (57);
still set up cock body (59) in inner tube (52), cock body (59) adopt the body of rod unsettled to be fixed in inner tube (52), the body of rod slides and passes inner tube (52) and fix on the lateral wall of urceolus, still fill in inner tube (52) and have the shear thickening agent.
2. The fabricated intelligent frame node with damping particles of claim 1, wherein: the upper limiting plate (2) and the lower limiting plate (3) are arranged in a one-to-one correspondence manner.
3. The fabricated intelligent frame node with damping particles of claim 1, wherein: the upper limiting plate (2) and the lower limiting plate (3) are the same in shape and size, and gaps formed by the upper limiting plate and the lower limiting plate are all in an open type trapezoid groove shape.
4. The fabricated intelligent frame node with damping particles of claim 1, wherein: the inner cylinder (52) is symmetrically provided with a first ring body (510) and a second ring body (511), the inner surfaces of the first ring body and the second ring body form a circular truncated cone shape, the plug body (59) is provided with two resistance increasing surfaces, and the two resistance increasing surfaces are correspondingly arranged with the first ring body and the second ring body in a wedge-shaped matching mode respectively.
5. The fabricated intelligent frame node with damping particles of claim 1, wherein: a chassis (7) is fixed to the bottom of the node column (1), and an anchor rod (8) is arranged at the bottom of the chassis (7).
6. A construction method of the fabricated intelligent frame node with the damping particles according to any one of claims 1 to 5, wherein the construction method comprises the following steps: the method comprises the following steps:
s1, constructing a frame groove on a leveled slope, and presetting and pouring a frame in the frame groove;
s2, placing a node column (1) at a node of the frame, and presetting an upper limiting plate and a lower limiting plate on the node column;
s3, the node columns (1) are anchored in a slope surface through anchor rods (8), meanwhile, steel bars reserved on the side portions of the frame are placed on the side surfaces of I-shaped steel in a staggered mode, and energy dissipation mechanisms (5) are preset on the I-shaped steel;
s4, clamping and embedding the energy dissipation mechanism (5) into a gap formed between the upper limiting plate and the lower limiting plate; then concrete is poured at the positions of the frame nodes;
s5, mounting a telescopic device (10) at the top of each I-shaped steel, and connecting the other end of the telescopic device (10) to the top disc (9).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111012739.0A CN113653076B (en) | 2021-08-31 | 2021-08-31 | Assembly type intelligent frame node with damping particles and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111012739.0A CN113653076B (en) | 2021-08-31 | 2021-08-31 | Assembly type intelligent frame node with damping particles and construction method |
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| CN113653076A CN113653076A (en) | 2021-11-16 |
| CN113653076B true CN113653076B (en) | 2022-10-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113895565B (en) * | 2021-11-24 | 2022-11-11 | 应急管理部国家自然灾害防治研究院 | A toughness energy dissipation cable wire structure for marine floating foundation is connected with seabed |
| CN114809467B (en) * | 2022-07-01 | 2022-09-13 | 江苏禹润水务研究院有限公司 | Siphon rainwater fill for building drainage |
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| CN101787737A (en) * | 2010-01-15 | 2010-07-28 | 大连市建筑设计研究院有限公司 | Structure node meeting spatial constraint requirements in different directions simultaneously |
| CN208267101U (en) * | 2018-05-16 | 2018-12-21 | 西安建筑科技大学 | A kind of half packet Combined concrete frame structure of corrugated web I-steel |
| CN209211678U (en) * | 2018-09-13 | 2019-08-06 | 西京学院 | A Semi-Active Control Assembled Steel Structure Arc Energy Dissipating Node |
| CN110805129A (en) * | 2019-09-10 | 2020-02-18 | 上海大学 | A kind of prefabricated concrete structure energy dissipation node |
| CN113123454A (en) * | 2021-03-06 | 2021-07-16 | 河北工业大学 | Column-connected double-energy-consumption assembled concrete frame system and construction method |
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2021
- 2021-08-31 CN CN202111012739.0A patent/CN113653076B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396421A (en) * | 1972-05-17 | 1975-06-04 | Bilstein August | Hydraulic shock absorber |
| CN101787737A (en) * | 2010-01-15 | 2010-07-28 | 大连市建筑设计研究院有限公司 | Structure node meeting spatial constraint requirements in different directions simultaneously |
| CN208267101U (en) * | 2018-05-16 | 2018-12-21 | 西安建筑科技大学 | A kind of half packet Combined concrete frame structure of corrugated web I-steel |
| CN209211678U (en) * | 2018-09-13 | 2019-08-06 | 西京学院 | A Semi-Active Control Assembled Steel Structure Arc Energy Dissipating Node |
| CN110805129A (en) * | 2019-09-10 | 2020-02-18 | 上海大学 | A kind of prefabricated concrete structure energy dissipation node |
| CN113123454A (en) * | 2021-03-06 | 2021-07-16 | 河北工业大学 | Column-connected double-energy-consumption assembled concrete frame system and construction method |
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