CN106013432A - Joint connecting structure in high-ductility assembled integrated frame and construction method - Google Patents
Joint connecting structure in high-ductility assembled integrated frame and construction method Download PDFInfo
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- CN106013432A CN106013432A CN201610349356.5A CN201610349356A CN106013432A CN 106013432 A CN106013432 A CN 106013432A CN 201610349356 A CN201610349356 A CN 201610349356A CN 106013432 A CN106013432 A CN 106013432A
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- prefabricated
- post
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- node
- reserving hole
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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
- E04B1/18—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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
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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)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a joint connecting structure in a high-ductility assembled integrated frame and a construction method. Adopted components comprise a prefabricated column and a prefabricated beam. Joints for column-column connection of an assembled concrete frame structure are connected through a grouting sleeve injection connecting method at the positions of inflection points of each layer or inflection points of every two layers. Joints in the beam and the column are connected in a joint reserved hole channel grouting anchoring manner, upper tensile bars and lower U-shaped bars penetrate reversed hole channels, grouting is conducted, and an engineering fiber cement base composite material is adopted at the coinciding beam end to conduct casting in place to achieve beam and column connection. The joint connecting structure is applied to the assembled integrated frame structure, the anti-seismic design concept of the strong column and the weak beam, strong shearing and weak inflection and the strong joints and the weak components is achieved, and the anti-seismic performance of the assembled concrete frame structure is improved; and meanwhile, the vertical component is connected through a grouting sleeve conveniently and quickly, and the construction speed is increased.
Description
Technical field
The invention belongs to Structural Engineering field, relate to a kind of high ductility prefabricated integral frame interior joint attachment structure and construction
Method, is mainly used in prefabricated integral frame structure.
Background technology
The building trade of China is time-honored conventional industries, and building industry is not only to the contribution of national economy day by day
Highlight, and in promoting employment, other aspects such as Industrial Linkage have also played huge effect.
But, along with the development of society, the increasing contradiction of building trade has highlighted: building trade energy consumption is too high,
The filthy phenomenon in construction site is very universal, and construction quality is also difficult to ensure that, labor cost rise etc..All
These phenomenons, illustrate with tradition people many, the building trade of inefficient extensive construction is the most hard to carry on.In recent years
Coming, country and place all start to carry forward vigorously building industrialization and housing industrialization, make great efforts to advance Residential structure liter
Level and adjustment.
So-called housing industrialization, it is simply that at plant produced precast concrete, then by machineries such as automobile, cranes
Equipment is transported to job site and completes assembly.By the industrialized mode of production build house, be mechanization degree the highest and
The inevitable requirement of the mode of production upgrading that extensive style produces.Compared to traditional architecture, prefabrication has
Significantly advantage: prefabricated components industrialized production；Site operation is convenient, and construction speed is fast；Environment-friendly and energy-saving emission-reduction, has
It is beneficial to sustainable development；Remarkable in economical benefits.Promote prefabricated assembled concrete structure and be advantageously implemented " four joint one rings
Protect " Green Development requirement, it is achieved low energy consumption, the building course of low emission, it is possible to promote the strong of China building trade
Kang Fazhan, it is achieved predetermined target for energy-saving and emission-reduction, is the developing direction of China's future architecture.
Frame structure is the most widely used structural system, and itself and shear wall structure, and tube structure etc. can also combine
Become shear force of frame wall system, frame-tube system.Therefore, prefabricated assembly structural system to be promoted, study precast frame
Beam-to-column joint mode is the most necessary.It is known that frame structure can overall work, between frame column and Vierendeel girder
It is reliably connected the most crucial.Conventional concrete construction is arranged continuously due to concrete cast-in-situ, node region steel bar stress,
As long as configuring rational reinforcing bar, typically do not have continuous damage between component.But the reality at precast concrete
In the work progress of border, the construction location of prefabricated components junction is difficult to, and therefore reduces speed of application and efficiency；For
For precast concrete, whether the quality of connection of component can be guaranteed is that can total play design function
Key point, and shear-carrying capacity and the ductility of usual precast construction junction are poor, easily become in structural system
Weak part, thus the safety to total threatens；More existing achievements in research also indicate that, prefabricated
The anti-seismic performance of cast in place and precast construction is poor compared with cast-in-place concrete structure, improves prefabricated dress the most further
The anti-seismic performance joining monolithic construction is still worth carrying out in-depth study.
The bean column node of frame structure and near zone to bear the biggest internal force, existing assembled under geological process
In frame structure interconnection technique scheme, the big more options in node area are the most cast-in-place.Owing to new-to-old concrete interface glues
Knotting strength is not enough, inevitably results in beam-ends insufficient rigidity, weakens ductility and the bearing capacity of node, and node area coagulation
The inconvenience that soil scene construction brings, causes new-to-old concrete interface to be peeled off too early or node premature failure, can not realize
" strong column and weak beam ", " strong shear capacity and weak bending capacity " and the aseismic design concept of " the weak component of strong node " and requirement.
ECC (Engineered Cementitious Composites) material is a kind of novel concrete with superpower toughness
Based composites, this material, with cement and fine sand as filler, is subsequently adding synthetic fibers and is formed.Existing achievement in research
Showing, the ultimate tensile strength value of this material can stably reach 3%-5%, the most common concrete material 100～
About 300 times, for about 5～10 times of reinforcing bar.ECC material not only has the toughness of superelevation, and its many seam stable states are opened
The feature split, has the performance of excellence, can solve tradition well at aspects such as safety, durability, the suitabilitys
The many disadvantages that concrete causes due to fragility, weak draftability.ECC has stronger energy absorption energy simultaneously
Power, higher shearing strength, also provide new selection for seismic design of structures.Relative due to the price of ECC again
Higher, ECC material entirety replacement concrete is used for building structure and is clearly uneconomic and also there is no need.At dress
Join in integral frame structure, the superior function of ECC material can be made full use of, substituted concrete and be used for node
Crucial force part, place and connecting portion, to improve overall performance and the anti-seismic performance of prefabricated integral frame structure.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provide a kind of easy construction, scheme rationally,
Interior joint attachment structure and the construction method of prefabricated integral frame structural seismic performance can be improved.
Technical scheme: for achieving the above object, the invention provides a kind of high ductility prefabricated integral frame interior joint even
Connecing girder construction and construction method, the component that this technical scheme uses includes prefabricated post and precast beam.The post of frame structure-
The node that post connects, at the inflection point of every layer or the inflection point of every two-layer, uses grout sleeve slip casting method of attachment to enter
Row connects；The connection of beam column interior joint utilizes node reserves duct grouting to anchor, and the U-shaped muscle of top tension reinforcement and bottom is worn
Cross reserving hole channel anchoring of being in the milk, use the cast-in-place beam column that realizes of engineering fiber cement composites at overlapping beam-ends
Connect, a length of 400mm～500mm of join domain；Meanwhile, in order to weaken new-old concrete interface binding intensity not
The impact of foot, improves beam-ends rigidity, reaches the purpose of plastic hinge, to prefabricated post end node bonding pad concrete
Interface carries out frosting treatment, and arranges stiffener in beam column interior joint junction, and stiffener is also by reserving hole channel
And be in the milk.The present invention is applied in prefabricated integral frame structure, it is achieved that " strong column and weak beam ", " strong shear capacity and weak bending capacity " and
The aseismatic design concept of " the weak component of strong node ", improves the anti-seismic performance of assembly concrete frame structure；Meanwhile,
Vertical member uses grout sleeve to connect, convenient and swift, accelerates speed of application.
The technical solution used in the present invention is:
A kind of high ductility prefabricated integral frame interior joint attachment structure, including the prefabricated post of vertical direction and horizontal direction
Precast beam, described prefabricated post and precast beam lateral symmetry are provided with vertical muscle, internal along being provided with all with described vertical muscle vertical direction
Even parallel some stirrups；
Described prefabricated post is provided with node bonding pad, has been horizontally disposed with several reserving hole channels in described node bonding pad；
In described prefabricated post both sides, the end of two the described precast beams in left and right inserts described pre-by anchor bar correspondence respectively
In boxing out, it is connected with described prefabricated post.
Further, the top and the bottom of described precast beam end are respectively by the vertical muscle described reserving hole channel of insertion corresponding with U-shaped muscle
Upper and lower layer duct fix.
Further, the duct of the mid portion of described reserving hole channel arranges stiffener.
Further, use the cast-in-place connection realizing beam column of engineering fiber cement composites at overlapping beam-ends, connect
Zone length is 400mm～500mm.
Further, the node that the post of described prefabricated post-post connects at the inflection point of every layer or the inflection point of every two-layer,
Grout sleeve slip casting method of attachment is used to be attached.
Further, the concrete interface of the node bonding pad of described prefabricated post carries out frosting treatment.
The construction method of a kind of high ductility prefabricated integral frame interior joint attachment structure, comprises the following steps:
1) prefabricated post and the mould of precast beam are made, assembling reinforcement, position reserving hole channel, the position of grout sleeve, system
Standby prefabricated post and the prefabricated components of precast beam；
2), after prefabricated post and lower floor's post positioned in alignment are good, add lateral support in post side and fix, then by grout sleeve and under
Layer post couples together；
3) the U-shaped muscle of stiffener and bottom of centre is set by reserving hole channel, and it is closely knit to be in the milk；
4) precast beam lifting is in place, is arranged the vertical muscle on top by reserving hole channel, and it is closely knit to be in the milk；
5) stirrup of colligation node bonding pad；
6) engineering fiber cement composites is all poured in node bonding pad.
Beneficial effect: the high ductility prefabricated integral frame interior joint attachment structure of present invention offer and construction method, and
Existing prefabricated integral frame structure node interconnection technique scheme is compared, and has the advantage that
Many posts of the most existing fabricated construction split position and are selected at floor, but are positioned at floor near node area, interior
Power is complicated and relatively big, and component stitching portion is again the weak part of structure simultaneously, if the horizontal lotus such as earthquake or wind
Under the effect carried, structure may be made to be in the state being absolutely unsafe.Internal force analysis is carried out by finite element software,
Frame column, under vertical and horizontal loads, is moment of flexure smaller part away from styletable 1/3 to 1/2 place, and therefore the present invention carries
Go out and the position that splits of post is selected at the inflection point of every layer or the inflection point of every two-layer, weak part can be made to avoid internal force
Maximum, improves the safety of structural elements.Simultaneously on this height, it is beneficial to the most very much construction, brings to construction
Convenient.
2. post and post junction use grout sleeve slip casting method of attachment to be attached, and construct very convenient, can improve
Speed of application；And junction is positioned at the inflection point of every layer, under horizontal earthquake action, this method of attachment makes even
Connect the bearing capacity that district can provide enough.
The most existing fabricated construction many at node cast-in-place concrete realize the connection of precast beam and prefabricated post, therefore exist
During practice of construction, the construction location of prefabricated components junction is difficult to, and reduces speed of application and efficiency；And this kind
Way causes node area hooping bars layout overstocked, brings great difficulty to site operation, easily causes node or pass
Key position concrete vibrating leakiness, brings potential safety hazard.And node is realized in factory by the present invention with prefabricated shell of column
One-piece casting, had both improve speed of application and efficiency, in turn ensure that quality and the bearing capacity of node area.
4., if imbedding beam-ends top tension to indulge the U-shaped muscle of muscle and bottom when pouring prefabricated post, the making of template, peace can be given
Installation and dismantling are except bringing great difficulty.Therefore, the present invention uses the method for reserving hole channel, arranges when pouring prefabricated post
Duct, penetrates beam-ends top tension when in-site installation and indulges the U-shaped muscle of muscle and bottom, and it is closely knit to be in the milk, and can be effectively improved
The production efficiency of prefabricated post, is also convenient for lifting and transport simultaneously.
5. beam-ends cast-in-place ECC material and prefabricated post interface binding intensity are not enough, inevitably result in beam-ends insufficient rigidity, cut
The ductility of weak bus and bearing capacity.Arranging stiffener in node bonding pad, improve the rigidity of beam-ends, having reached will
The purpose of plastic hinge, thus improve the anti-seismic performance of node.
6. pair prefabricated post end node bonding pad concrete interface carries out frosting treatment, can improve new and old mixed to a certain extent
The cohesive force of solidifying Soil Interface, improves beam-ends rigidity, it is to avoid new-old concrete interface produces large fracture too early.
7. the crucial force part in joint cores and near zone structure, under geological process, mainly assume responsibility for inhaling
Receive and the effect of dissipation seismic energy, use ECC material rear part to show higher ductility and good power consumption property
Energy.Shown by ECC Joints, compared with the conventional steel bar concrete bean column node of the identical ratio of reinforcement,
Every antidetonation index of the present invention all shows clear superiority, and ECC node carries than the ultimate bearing capacity of common RC node
High by 20%, during destruction, displacement improves 15%；ECC node is after reaching the limit of load, and bearing capacity is the most fast
Speed declines, but has longer descending branch more stably, and this is owing to ECC material has high tenacity, can suppress crack
Carry out, it is ensured that node surrender after still there is bigger bearing capacity ability.
8. the present invention is by the beam-ends plastic hinge region being used in nearly core space of this for ECC material, under geological process,
These regions are by bigger moment of flexure, and first crack is to occur herein, develop, finally works as certain major fracture and extends to
During one fixed width, bearing capacity reduces rapidly, and component failure is destroyed.In this region, the microcrack of ECC material is carried out
Feature will be played, and this will delay major fracture time of occurrence, the time that member for prolonging works under relatively high-bearing capacity,
Improve the overall ductility of structure and energy-dissipating property.
9. comparing with cast-in-place armored concrete, the present invention uses prefabricated post and precast beam all to use industrialized production, labor
Dynamic production efficiency is high, production environment is stable, and the sizing of component and standardization are conducive to mechanization production, and by standard
Close inspection dispatches from the factory product, thus is easier to control and ensure quality.The use of ECC material, solves cast-in-place region
During construction, bar-mat reinforcement is intensive, the difficult problem that concreting is unreal, join domain good integrity.
10. for existing fabricated construction, bonding pad is the weak part in structure, the whether reliable relation of junction
The safety of total.And the shear-carrying capacity of ECC and ductility are all high than normal concrete, by bonding pad
Use ECC material, energy-dissipating property and the bearing capacity of existing assembling frame structure bonding pad can be effectively improved.
11. relatively costly due to ECC material, its price of every cubic metre is more than 4 times of normal concrete, therefore
The present invention proposes to use ECC material at the key position (prefabricated components junction) of structure so that it is at Practical Project
In application there is feasibility economically.
In 12.ECC material, 70% is above flyash, is mainly derived from the waste residue after the coal combustion of thermal power plant, and
The prefabricated components poured are the refuse reclamations to flyash, and therefore ECC is a kind of environmental friendliness shaped material,
While ensureing the performance that component is superior, arrive the recycling to resource, meet the thought of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the node schematic diagram of the present invention；
Fig. 2 is the prefabricated post front detail of construction of the present invention；
Fig. 3 is the prefabricated post side surface configurations detail drawing of the present invention；
Fig. 4 is the prefabricated post detail of construction after the vertical muscle of configuration of the present invention, U-shaped muscle and stiffener；
Fig. 5 is the precast beam detail of construction of the present invention；
Fig. 6 is the unitary construction detail drawing of the present invention.
Figure has: prefabricated post (1), precast beam (2), engineering fiber cement composites (3), grout sleeve
(4), reserving hole channel (5), vertical muscle (6), stirrup (7), U-shaped muscle (8) and stiffener (9).
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
As it is shown in figure 1, be a kind of high ductility prefabricated integral frame interior joint attachment structure, prefabricated including vertical direction
The precast beam 2 of post 1 and horizontal direction, described prefabricated post 1 and precast beam 2 lateral symmetry are provided with vertical muscle 6, internal edge
With some stirrups 7 that described vertical muscle 6 vertical direction is provided with uniform parallel；Prefabricated post 1 and precast beam 2 are all being adopted in factory
Pour with normal concrete, internal pre-buried vertical muscle 6 and stirrup 7.
As shown in Figure 2,3, described prefabricated post 1 is provided with node bonding pad, has been horizontally disposed with in described node bonding pad
Several reserving hole channels 5；
As shown in Figure 4,5, 6, in described prefabricated post 1 both sides, the end of the described precast beam 2 in two, left and right passes through respectively
Anchor bar correspondence is inserted in described reserving hole channel 5, is connected with described prefabricated post 1.Described precast beam 2 end upper and lower
Portion is fixed by the corresponding upper and lower layer duct inserting described reserving hole channel 5 of vertical muscle 6 and U-shaped muscle 8 respectively.Described reserved
The duct of the mid portion in duct 5 arranges stiffener 9.
As it is shown in figure 1, use the cast-in-place connection realizing beam column of engineering fiber cement composites 3 at overlapping beam-ends,
A length of 400mm～500mm of join domain.
As in figure 2 it is shown, the post of described prefabricated post 1-node that connects of post is in the inflection point of every layer or the recurvation of every two-layer
At Dian, grout sleeve 4 slip casting method of attachment is used to be attached.
Preferably, the concrete interface of the node bonding pad of described prefabricated post 1 carries out frosting treatment.
The construction method of a kind of high ductility prefabricated integral frame interior joint attachment structure, comprises the following steps:
1) prefabricated post 1 and the mould of precast beam 2 are made, assembling reinforcement 7, position reserving hole channel 5, the position of grout sleeve
Put, preparation prefabricated post 1 and the prefabricated components of precast beam 2；
2), after prefabricated post 1 is good with lower floor's post positioned in alignment, adds lateral support in post side and fix, then by grout sleeve and
Lower floor's post couples together；
3) the U-shaped muscle of stiffener 9 and bottom 8 of centre is set by reserving hole channel 5, and it is closely knit to be in the milk；
4) precast beam 2 lifts in place, is arranged the vertical muscle 6 on top by reserving hole channel 5, and it is closely knit to be in the milk；
5) stirrup 7 of colligation node bonding pad；
6) engineering fiber cement composites 3 is poured in node bonding pad.
Embodiment
Post-post is connected by grout sleeve 4 slip casting method of attachment and is attached.Save in beam column through reserving hole channel 5
Point connects junction and arranges stiffener 9 anchoring of being in the milk, and beam section top tension is indulged the U-shaped muscle of muscle 6 and bottom 8 and passed
Reserving hole channel 5 anchoring of being in the milk, use at overlapping beam-ends that engineering fiber cement composites 3 is cast-in-place realizes beam column
Connection, a length of 400mm～500mm of join domain.
A kind of high ductility prefabricated integral frame interior joint of the present invention connects the component of beam column and construction method and prepared
Journey and application process be:
1. require to determine the size of prefabricated integral frame precast beam, precast column unit, arrangement of reinforcement etc. according to actual design.
Then make mould, assembling reinforcement, position reserving hole channel, grout sleeve position.
Casting concrete prefabricated components the most as requested, and to shell of column node bonding pad concrete interface when close to final set
Carrying out frosting treatment, maintenance i.e. forms prefabricated components in 28 days.
3., during construction, first prefabricated post 1 is lifted in place, good with lower floor post positioned in alignment after, add in post side the most laterally
Support fixing, then coupled together by grout sleeve and lower floor post；Secondly, stiffener is set by reserving hole channel 5
9 and the U-shaped muscle in bottom 8, and it is closely knit to be in the milk；Then, precast beam 2 is lifted in place, fixes temporarily, by reserved
Duct 5 arranges top tension and indulges muscle 6, and it is closely knit to be in the milk, colligation stirrup 7, and arranges mould in side, beam-to-column joint district
Plate；Finally, pour ECC material in node bonding pad, one-piece casting together with the laminated floor slab arranged, reach one
It is collapsible die after determining intensity, completes the construction of beam-to-column joint district.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for those skilled in the art
For, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (7)
1. one kind high ductility prefabricated integral frame interior joint attachment structure, it is characterised in that: include the pre-of vertical direction
The precast beam (2) of post processed (1) and horizontal direction, described prefabricated post (1) and precast beam (2) lateral symmetry are provided with
Vertical muscle (6), internal along the some stirrups (7) being provided with uniform parallel with described vertical muscle (6) vertical direction；
Described prefabricated post (1) is provided with node bonding pad, has been horizontally disposed with several reserving hole channels in described node bonding pad
(5)；
In described prefabricated post (1) both sides, the end of two the described precast beams (2) in left and right is corresponding by anchor bar respectively
Insert in described reserving hole channel (5), be connected with described prefabricated post (1).
High ductility prefabricated integral frame interior joint the most according to claim 1 connects beam column, it is characterised in that: institute
Described reserving hole channel is inserted by vertical muscle (6) and U-shaped muscle (8) are corresponding respectively in the top and the bottom stating precast beam (2) end
(5) upper and lower layer duct is fixed.
High ductility prefabricated integral frame interior joint the most according to claim 2 connects beam column, it is characterised in that:
The duct of the mid portion of described reserving hole channel (5) arranges stiffener (9).
High ductility prefabricated integral frame interior joint the most according to claim 1 connects beam column, it is characterised in that:
Engineering fiber cement composites (3) the cast-in-place connection realizing beam column, join domain length is used at overlapping beam-ends
For 400mm～500mm.
High ductility prefabricated integral frame interior joint the most according to claim 1 connects beam column, it is characterised in that:
The node that the post of described prefabricated post (1)-post connects, at the inflection point of every layer or the inflection point of every two-layer, uses grouting
Sleeve (4) slip casting method of attachment is attached.
High ductility prefabricated integral frame interior joint the most according to claim 1 connects beam column, it is characterised in that:
The concrete interface of the node bonding pad of described prefabricated post (1) carries out frosting treatment.
7. one kind high ductility prefabricated integral frame interior joint connects the construction method of beam column, it is characterised in that: include with
Lower step:
1) prefabricated post (1) and the mould of precast beam (2) are made, assembling reinforcement (7), location reserving hole channel (5),
The position of grout sleeve, preparation prefabricated post (1) and the prefabricated components of precast beam (2)；
2), after prefabricated post (1) is good with lower floor's post positioned in alignment, adds lateral support in post side and fix, then pass through grout sleeve
Couple together with lower floor post；
3) stiffener (9) and bottom U-shaped muscle (8) of centre are set by reserving hole channel (5), and it is closely knit to be in the milk；
4) precast beam (2) lifts in place, is arranged the vertical muscle (6) on top by reserving hole channel (5), and it is closely knit to be in the milk；
5) stirrup (7) of colligation node bonding pad；
6) engineering fiber cement composites (3) is poured in node bonding pad.
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| CN201610349356.5A CN106013432B (en) | 2016-05-24 | 2016-05-24 | A kind of high ductility prefabricated integral frame interior joint connection structure and construction method |
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| CN108951847A (en) * | 2018-07-31 | 2018-12-07 | 同济大学 | A kind of Precast Concrete Frame system and its construction method based on UHPC |
| CN109356310A (en) * | 2018-11-15 | 2019-02-19 | 东南大学 | A kind of high-performance hollow floor slab-column connections |
| CN110080388A (en) * | 2019-06-06 | 2019-08-02 | 福建工程学院 | A kind of connection structure and its construction method improving PC frame joint anti-seismic performance |
| CN110512727A (en) * | 2019-07-23 | 2019-11-29 | 江苏晟功建设集团有限公司 | A kind of pre-buried insulation board post stretching anchorage node construction of assembled architecture lotus rhizome beam and its construction method |
| CN111395519A (en) * | 2020-03-31 | 2020-07-10 | 同济大学建筑设计研究院(集团)有限公司 | Construction method of assembled beam column |
| CN111910757A (en) * | 2020-08-14 | 2020-11-10 | 中国十七冶集团有限公司 | Strenghthened type keyway connected node beam column structure |
| CN112096116A (en) * | 2020-10-10 | 2020-12-18 | 福州大学 | Reinforcing structure for improving earthquake-proof performance of earthquake-damage assembled frame structure, construction method and testing method |
| CN112962807A (en) * | 2021-01-21 | 2021-06-15 | 北京交通大学 | Friction type self-resetting cast-in-situ beam column node |
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| CN110080388A (en) * | 2019-06-06 | 2019-08-02 | 福建工程学院 | A kind of connection structure and its construction method improving PC frame joint anti-seismic performance |
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| CN111395519A (en) * | 2020-03-31 | 2020-07-10 | 同济大学建筑设计研究院(集团)有限公司 | Construction method of assembled beam column |
| CN111910757A (en) * | 2020-08-14 | 2020-11-10 | 中国十七冶集团有限公司 | Strenghthened type keyway connected node beam column structure |
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