CN109322388A - A kind of assembled beam-column node structure positioned at plastic zone energy dissipation - Google Patents
A kind of assembled beam-column node structure positioned at plastic zone energy dissipation Download PDFInfo
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- CN109322388A CN109322388A CN201811346519.XA CN201811346519A CN109322388A CN 109322388 A CN109322388 A CN 109322388A CN 201811346519 A CN201811346519 A CN 201811346519A CN 109322388 A CN109322388 A CN 109322388A
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- precast beam
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- angle steel
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 230000002787 reinforcement Effects 0.000 claims abstract description 25
- 239000003292 glue Substances 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 11
- 235000010627 Phaseolus vulgaris Nutrition 0.000 abstract description 4
- 244000046052 Phaseolus vulgaris Species 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 229910052742 iron Inorganic materials 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The present invention discloses a kind of assembled beam-column node structure positioned at plastic zone energy dissipation, including precast beam and styletable precast beam；Precast beam lower end is equipped with node lower rebar, is equipped with pre-buried T-steel above node lower rebar, pre-buried T-steel side is set in precast beam；It is equipped with node upper reinforcement on styletable precast beam, pre-buried angle steel is installed below node upper reinforcement, pre-buried angle steel side is set in styletable precast beam；The end face of the pre-buried angle steel other side is fixedly connected with the end face of the pre-buried T-steel other side；Engineering glue concrete has been poured at pre-buried T-steel and the pre-buried angle steel between precast beam and the styletable precast beam.Assembled beam-column node structure provided by the invention positioned at plastic zone energy dissipation, the contradiction of bean column node is transferred to beam, the lesser region of column member stress, it reduces the dosage of exposed reinforcement and effectively avoids exposed reinforcement position conflict between different prefabricated components, construction is facilitated to overlap.
Description
Technical field
The present invention relates to assembled beam technical fields, more particularly to a kind of assembled beam positioned at plastic zone energy dissipation
Column node structure.
Background technique
Prefabricated assembled concrete structure has the advantages that cast-in-place concrete structure is incomparable: production environment is stablized, no
It is influenced by weather condition；High production efficiency, short construction period；Component regularization, standardization and generalization make structural quality
Controllability is strong；The problem for avoiding the cast-in-place concrete early strength coefficient of variation larger effectively controls the deformation crack of concrete.
But above-mentioned fabricated construction joints are complicated: the surrender of beam-ends longitudinal direction node lower rebar, compressive region concrete
Crushing forms plastic hinge (nearly cylinder) by curved destruction；For styletable under moment of flexure and axis pressure collective effect, styletable Bending Concrete is broken
Bad, column muscle is buckled, and stirrup snaps to form plastic hinge；Beam muscle and concrete binding are destroyed, are slid；Core space is in horizontal force action
Under, it generates diagonal crack or diagonally intersects diagonal crack.I.e. node is one of position most weak, easily damaged in frame.
Node region construction is complicated, in order to realize the Aseismic Design of " the strong weak component of node " " strong shear capacity and weak bending capacity " " strong column and weak beam "
It is required that node region beam bars anchorage, stirrup encrypt, cause constructional difficulties, concrete cast-in-situ quality uncontrollable.Existing whole assembly
Formula node technology, that is, reserved space and impervious seam at bean column node, and carry out reinforcing bar and staggeredly overlap, then carry out monoblock type
It is cast-in-place.During the technology is constructed at the scene, it is easy to affect the correct placement of beam and column position because of the staggeredly overlap joint of reinforcing bar, influences to imitate
Rate and feasibility frequently occur worker and beam, column are placed to designated position for convenience, show to what exposed reinforcement was bent
As, therefore will be cannot be guaranteed using the reliability and safety of the prior art.
Summary of the invention
The object of the present invention is to provide a kind of assembled beam-column node structures positioned at plastic zone energy dissipation, on solving
Problem of the existing technology is stated, the contradiction of bean column node is transferred to beam, the lesser region of column member stress, reduces exposed steel
The dosage of muscle and exposed reinforcement position conflict between different prefabricated components is effectively avoided, construction is facilitated to overlap.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of assembled beam-column node structure positioned at plastic zone energy dissipation, including precast beam and styletable
Precast beam；The precast beam lower end is equipped with node lower rebar, is equipped with pre-buried T-steel above the node lower rebar,
The pre-buried T-steel side is set in the precast beam；Node upper reinforcement, the section are equipped on the styletable precast beam
Pre-buried angle steel is installed below point upper reinforcement, the pre-buried angle steel side is set in the styletable precast beam；It is described pre-buried
The end face of the angle steel other side is fixedly connected with the end face of the pre-buried T-steel other side；Positioned at the precast beam and the styletable
Engineering glue concrete has been poured at the pre-buried T-steel and the pre-buried angle steel between precast beam.
Optionally, the pre-buried angle steel exposed end be smooth inclined surface structure, the pre-buried T-steel exposed end for institute
State the matched inclined surface structure in end face of pre-buried angle steel.
Optionally, the vertical section of the pre-buried angle steel is two symmetrical L-shaped structures.
Optionally, pass through welded lap with the node upper reinforcement at the top of the pre-buried angle steel；The pre-buried T-steel bottom
Portion and the node lower rebar pass through welded lap.Specifically, the pre-buried T-steel of the prefabricated beam-ends by wing plate with
Node upper reinforcement carries out welded lap；The prefabricated beam-ends of styletable carries out welding with node lower rebar by manomelia and takes
It connects；The pre-buried T-steel and the prefabricated girder connection upper reinforcement of styletable in the cast-in-place area between the precast beam and styletable precast beam
Carry out welded lap；Pre-buried angle steel and precast beam node lower rebar carry out welded lap.
Optionally, multiple bolts hole are offered respectively on the pre-buried angle steel and the pre-buried T-steel.
Optionally, the pre-buried angle steel and the pre-buried T-steel using build-in, be welded or be bolted.
Optionally, the precast beam lower end is equipped with the node lower rebar of more levels and spaced set.
Optionally, the node upper reinforcement of more levels and spaced set is equipped on the styletable precast beam.
The present invention achieves following technical effect compared with the existing technology:
The present invention combines connection with pre-buried fashioned iron and reinforcement welding power transmission, the various ways of fashioned iron, and utilizing works glue is mixed
Material of the solidifying soil as cast-in-place node, prefabricated components increase bond area using inclined-plane processing, and more measure reinforced assembly nodes connect
Stability is connect to build globality.Insufficient, construction inconvenience that the present invention overcomes existing overlapped joints globalities, reinforcing bar are pliable
The problem of folding, cast-in-place area's easy to leak, realizes live quick-assembling, convenient construction and energy dissipation ability.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the assembled pre-structure schematic diagram of the present invention；
Fig. 2 is structural schematic diagram after the present invention is assembled；
Fig. 3 is styletable precast beam of the present invention and pre-buried angle cross section schematic diagram；
Fig. 4 is precast beam of the present invention and pre-buried T-steel schematic cross-section；
Fig. 5 is cast-in-place area's schematic cross-section of the invention；
Wherein, 1 it is precast beam, 2 be styletable precast beam, 3 be node lower rebar, 4 be pre-buried T-steel, 5 is node top
Reinforcing bar, 6 be pre-buried angle steel, 7 be bolt hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of assembled beam-column node structures positioned at plastic zone energy dissipation, on solving
Problem of the existing technology is stated, the contradiction of bean column node is transferred to beam, the lesser region of column member stress, reduces exposed steel
The dosage of muscle and exposed reinforcement position conflict between different prefabricated components is effectively avoided, construction is facilitated to overlap.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
The present invention provides a kind of assembled beam-column node structure positioned at plastic zone energy dissipation, as Figure 1-Figure 5, packet
Include precast beam 1 and styletable precast beam 2；1 lower end of precast beam is equipped with node lower rebar 3, is equipped with above node lower rebar 3
Pre-buried T-steel 4, pre-buried 4 side of T-steel are set in precast beam 1；It is equipped with node upper reinforcement 5 on styletable precast beam 2, saves
Styletable is fixed on after wearing styletable precast beam 2 in point 5 one end of upper reinforcement, and bends downward 90 degree in styletable, so that styletable is pre-
Beam 2 processed is connect with styletable more to be fastened.Pre-buried angle steel 6 is installed below 5 other end of node upper reinforcement, pre-buried 6 side of angle steel is set
It is placed in styletable precast beam 2；Pre-buried T-steel 4 and pre-buried angle steel 6 are between precast beam 1 and styletable precast beam 2.Pre-buried angle steel 6
The end face of the other side is fixedly connected with the end face of pre-buried 4 other side of T-steel；It is pre- between precast beam 1 and styletable precast beam 2
It buries for cast-in-place area at T-steel 4 and pre-buried angle steel 6, which has poured engineering glue concrete.
It is further preferred that pre-buried 6 exposed end of angle steel be smooth inclined surface structure, pre-buried 4 exposed end of T-steel be with it is pre-
Bury the matched inclined surface structure in end face of angle steel 6.The vertical section of pre-buried angle steel 6 is two symmetrical L-shaped structures, pre-buried T-type
The vertical edge of steel 4 is connected between two symmetrical L-shaped structures of the vertical section of pre-buried angle steel 6, and is passed through at bolt hole 7
Bolt is fixedly connected.Pre-buried 6 embedded section bottom of angle steel and node lower rebar 3 pass through welded lap；Pre-buried T-steel 4 is pre-
It buries and passes through welded lap with upper reinforcement 5 at the top of section.Multiple bolts hole 7 are offered on pre-buried angle steel 6 and pre-buried T-steel 4 respectively.
Pre-buried angle steel 6 uses build-in with pre-buried T-steel 4, is welded or is bolted.Between 1 lower end of precast beam is equipped with more levels and waits
Node lower rebar 3 away from setting.The node upper reinforcement 5 of more levels and spaced set is equipped on styletable precast beam 2.
When the present invention constructs, first by pre-buried angle steel 6 and 3 welded lap of node lower rebar, pre-buried T-steel 4 and precast beam
5 welded lap of node upper reinforcement of compressive region；Pre-buried T-steel 4 is burn-on shear stud, beats bolt hole, and by pre-buried T-steel 4
It is connect with pre-buried angle steel 6, the cast-in-place area formed later to the junction pours engineering glue concrete.With pre-buried fashioned iron and reinforcing bar
Power transmission is welded, the various ways of fashioned iron combine connection, and material of the utilizing works glue concrete as cast-in-place node, prefabricated components are adopted
It is handled with inclined-plane and increases bond area, more measure reinforced assembly node connective stabilities and building globality.It overcomes existing
The problem of overlapped joints globalities is insufficient, construction is inconvenient, reinforcing bar is pliable, easy to leak is realized live quick-assembling, convenient is applied
Work and energy dissipation ability.
Engineering glue concrete performance is more outstanding in terms of antidetonation, deformation, can improve the utilization rate of waste old；Springform
Measure low, compared with normal concrete height, the ability of adaptive deformation is strong for ductility, toughness；Damping ratio is big, reduces the vibration of concrete structure,
Be conducive to the damping energy-absorbing of material.
Therefore, with the node mounting technology, the difficulty of construction of assembly node can be not only reduced, but also node can be improved
Energy dissipation ability, enhance the globality and reliability of fabricated construction as a result,.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (9)
1. a kind of assembled beam-column node structure positioned at plastic zone energy dissipation, it is characterised in that: including precast beam and styletable
Precast beam；The precast beam lower end is equipped with node lower rebar, is equipped with pre-buried T-steel above the node lower rebar,
The pre-buried T-steel side is set in the precast beam；Styletable precast beam upper end is equipped with node upper reinforcement, described
Pre-buried angle steel is installed below node upper reinforcement, the pre-buried angle steel side is set in the styletable precast beam；It is described pre-
The end face for burying the angle steel other side is fixedly connected with the end face of the pre-buried T-steel other side；Positioned at the precast beam and the column
Engineering glue concrete has been poured at the pre-buried T-steel and the pre-buried angle steel between the precast beam of end.
2. the assembled beam-column node structure according to claim 1 positioned at plastic zone energy dissipation, it is characterised in that: institute
Stating the exposed end face of pre-buried angle steel is smooth inclined surface structure, and the pre-buried exposed end face of T-steel is and the pre-buried angle steel
The matched inclined surface structure in end face.
3. the assembled beam-column node structure according to claim 2 positioned at plastic zone energy dissipation, it is characterised in that: institute
The vertical section for stating pre-buried angle steel is two symmetrical L-shaped structures.
4. the assembled beam-column node structure according to claim 3 positioned at plastic zone energy dissipation, it is characterised in that: institute
It states pre-buried angle steel bottom and the node lower rebar passes through welded lap；At the top of the pre-buried T-steel and top
Reinforcing bar passes through welded lap.
5. the assembled beam-column node structure according to claim 4 positioned at plastic zone energy dissipation, it is characterised in that: institute
The pre-buried T-steel for stating prefabricated beam-ends carries out welded lap by wing plate and node upper reinforcement；The prefabricated beam-ends of styletable
Welded lap is carried out by manomelia and node lower rebar；Cast-in-place area between the precast beam and styletable precast beam
Pre-buried T-steel and the prefabricated girder connection upper reinforcement of styletable carry out welded lap；Pre-buried angle steel and precast beam node lower part
Reinforcing bar carries out welded lap.
6. the assembled beam-column node structure according to claim 1 positioned at plastic zone energy dissipation, it is characterised in that: institute
It states and offers multiple bolts hole respectively on pre-buried angle steel and the pre-buried T-steel.
7. the assembled beam-column node structure according to claim 6 positioned at plastic zone energy dissipation, it is characterised in that: institute
State pre-buried angle steel and the pre-buried T-steel using build-in, be welded or be bolted.
8. the assembled beam-column node structure according to claim 1 positioned at plastic zone energy dissipation, it is characterised in that: institute
State the node lower rebar that precast beam lower end is equipped with more levels and spaced set.
9. the assembled beam-column node structure according to claim 1 positioned at plastic zone energy dissipation, it is characterised in that: institute
State the node upper reinforcement that more levels and spaced set are equipped on styletable precast beam.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346519.XA CN109322388B (en) | 2018-11-13 | 2018-11-13 | Assembly type beam column node structure located in plastic area for earthquake resistance and energy consumption |
| PCT/CN2019/112176 WO2020098452A1 (en) | 2018-11-13 | 2019-10-21 | Anti-seismic and energy-consuming fabricated beam-column joint structure located in plastic zone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811346519.XA CN109322388B (en) | 2018-11-13 | 2018-11-13 | Assembly type beam column node structure located in plastic area for earthquake resistance and energy consumption |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109322388A true CN109322388A (en) | 2019-02-12 |
| CN109322388B CN109322388B (en) | 2024-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811346519.XA Active CN109322388B (en) | 2018-11-13 | 2018-11-13 | Assembly type beam column node structure located in plastic area for earthquake resistance and energy consumption |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109322388B (en) |
| WO (1) | WO2020098452A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098452A1 (en) * | 2018-11-13 | 2020-05-22 | 深圳大学 | Anti-seismic and energy-consuming fabricated beam-column joint structure located in plastic zone |
| CN112814151A (en) * | 2020-12-30 | 2021-05-18 | 南京航空航天大学 | Connecting method of basic magnesium sulfate cement concrete assembled frame nodes |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638487B (en) * | 2021-05-10 | 2024-06-25 | 中国建筑第五工程局有限公司 | Staggered connection structure of local superposed beam and prefabricated column node steel bar and construction method thereof |
| CN113863494A (en) * | 2021-09-30 | 2021-12-31 | 广东普发建筑有限公司 | Assembly type concrete beam column connecting node and mounting method thereof |
| CN114876059B (en) * | 2022-05-19 | 2024-06-28 | 上海师范大学 | Multi-layer anchoring connection structure for fiber reinforced concrete beam column joints |
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| CN112814151A (en) * | 2020-12-30 | 2021-05-18 | 南京航空航天大学 | Connecting method of basic magnesium sulfate cement concrete assembled frame nodes |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020098452A1 (en) | 2020-05-22 |
| CN109322388B (en) | 2024-03-22 |
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