CN108571071A - Prefabricated PC beams of concrete column connected node and construction method - Google Patents
Prefabricated PC beams of concrete column connected node and construction method Download PDFInfo
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- CN108571071A CN108571071A CN201810758879.4A CN201810758879A CN108571071A CN 108571071 A CN108571071 A CN 108571071A CN 201810758879 A CN201810758879 A CN 201810758879A CN 108571071 A CN108571071 A CN 108571071A
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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
- E04B1/18—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
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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
Abstract
The present invention relates to a kind of prefabricated PC beams of concrete column connected node and construction method, interior joint includes concrete column and an at least beams of concrete, is fixedly connected by H profile steel between the beams of concrete and concrete column.Further, a column side steel plate is arranged in at least one side of the concrete column, the end set beam-ends steel plate of the beams of concrete, it is fixedly connected by the H profile steel between column side steel plate and the beam-ends steel plate, the present invention is easy to that construction, junction stress performance is superior and has stronger rigidity, solves the technical problem difficult in the connection of assembly concrete frame structure central sill Column border node.
Description
Technical field
The present invention relates to assembled arthitecutral structure dry type connecting node technical field, more particularly to a kind of prefabricated PCs
Beams of concrete column connected node and construction method.
Background technology
With the fast development of China's economy, living standards of the people are constantly promoted, and the requirement to house increasingly improves.Together
When, the cast-in-place construction mode and China's sustainable development idea of house are incompatible.Currently, China's house in the urgent need to address is built
If middle high energy consumption, high pollution, it is with high investment the problems such as, so house town and country construction portion of State Development and Reform Commission of China promulgates《Green is built
Build action scheme》, the buildings such as the prefabricated assembled concrete structure for being suitble to industrialized production, steel construction are promoted wherein specifically mentioning
System accelerates development the prefabricated and mounting technology of construction project, and it is horizontal to improve building industrialization Integration ofTechnology.
Prefabricated assembled concrete structure has the following advantages：
(1) green construction.Prefabricated concrete structure construction can more meet saving land, is energy saving, saving material, is water-saving for green construction
With the requirements such as environmental protection, the negative effect to environment is reduced, including reduces noise, prevents airborne dust, reduces environmental pollution, cleaning
Transport reduces place interference, saves resources and the energy such as water, electricity, material, it then follows the principle of sustainable development.
(2) short time limit.Since a large amount of assembly concrete component is all in plant produced and maintenance, what construction site carried out
Work is only to lift the prefabricated component of precast plant, assemble, joint reinforcing, is not only not necessarily to install scaffold and branch
Support, and reduces influence of the seasonal factor to the construction period, agent structure be molded laggard luggage repair, the work such as Hydroelectric Project Construction,
Workload is constructed much smaller than cast-in-place method, or even is eliminated and built by laying bricks or stones and plastering process, therefore substantially reduces the whole duration.
(3) component quality is good.Concrete in precast plant need not pump, and the water in concrete is less, concrete strength
Grade is higher than cast in situs.After precast plant has poured component, component is just subjected to steam curing, ensures concrete quality,
And construction site curing concrete can not only provide steam-cured excellent condition, but also be influenced by weather, maintenance quality without
Method is compared with precast plant.
But prefabricated assembled concrete structure also has some disadvantages of its own, such as node type of attachment complexity.Mesh
Preceding main connecting node form needs live assembling reinforcement, casting concrete, and need scaffold, template etc., this gives node
Quality bring hidden danger, to construction technical requirement height, limit the use of precast concrete to a certain extent.
Invention content
The purpose of the present invention is to provide a kind of prefabricated PC beams of concrete column connected node and construction method, this hairs
It is bright be easy to construction, junction stress performance it is superior and have stronger rigidity, solve in assembly concrete frame structure central sill
The difficult technical problem of Column border node connection.
To solve the above-mentioned problems, the present invention provides a kind of prefabricated PC beams of concrete column connected nodes, including
Concrete column and at least a beams of concrete, are fixedly connected between the beams of concrete and concrete column by H profile steel.
Preferably, a column side steel plate, the end set of the beams of concrete is arranged in at least one side of the concrete column
Beam-ends steel plate is fixedly connected between column side steel plate and the beam-ends steel plate by the H profile steel.
Preferably, presstressed reinforcing steel is each passed through column side steel plate in several columns in the concrete column, and pass through column
Interior presstressed reinforcing steel anchorage is by column side Interal fixation in the side of the concrete column；
Presstressed reinforcing steel is each passed through the beam-ends steel plate in several beams in the beams of concrete, and passes through prestressing force in beam
Muscle anchorage is by the beam-ends Interal fixation in the end of the beams of concrete.
Preferably, there are between site welding between presstressed reinforcing steel anchorage and the edge of a wing of the H profile steel in the column
Gap.
Preferably, presstressed reinforcing steel is vertical with the plane of column side steel plate in the column, the H profile steel and column side steel
The plane of plate is vertical；
Presstressed reinforcing steel is vertical with the plane of beam-ends steel plate in the beam, and the H profile steel is flat with the beam-ends steel plate
Face is vertical.
Preferably, peg in several columns is additionally provided in the concrete column, peg and column side steel in several columns
Plate welds；
Peg in several beams is additionally provided in the beams of concrete, peg is welded with the beam-ends steel plate in several beams.
Preferably, peg is vertical with the plane of column side steel plate in the column；
Peg is vertical with the plane of beam-ends steel plate in the beam.
Preferably, peg is connect with column side steel plate using nail solder or arc pulling type welding of peg in the column；
Peg is connect with beam-ends steel plate using nail solder or arc pulling type welding of peg in the beam.
Preferably, one end of the H profile steel is welded with column side steel plate, the other end is welded with the beam-ends steel plate.
Preferably, a beam-to-column joint steel plate is also welded on the steel plate of the column side, the beam-to-column joint steel plate and H profile steel web
Corresponding position on be all provided with hole, the beam-to-column joint steel plate is fixedly connected with the web of H profile steel by bolt.
Preferably, the beam-to-column joint steel plate is vertical with the plane of column side steel plate.
Preferably, the H profile steel be all made of respectively with the junction of column side steel plate and beam-ends steel plate melt groove welding or
Fillet weld seam；
The junction of the beam-to-column joint steel plate and column side steel plate, which is all made of, melts groove welding or fillet weld seam.
Preferably, a column side steel plate, the outside point of two column side steel plates is respectively set in the two sides of the concrete column
It is not fixedly connected with the end of a beams of concrete by a H profile steel, two column side steel plates are connected in the column answers in advance
The both sides of power muscle.
The present invention also provides a kind of construction method of prefabricated PC beams of concrete column connected node, including it is following
Step：
Step 1 makes concrete column：Make the perforative hole of presstressed reinforcing steel in column by being opened on the steel plate of column side, according to design code
Position column side steel plate is shelved in the template of concrete column, then discharge and indulge stirrup in muscle and column in column and form steel reinforcement cage, then
Peg in column and the welding of column side steel plate are placed in the template of concrete column, and presstressed reinforcing steel in column is passed through into concrete column mould
Plate and column side steel plate simultaneously carry out tensioning, reserve presstressed reinforcing steel duct in the column on the other two sides of column, and carry out tensioning, then bind column
Stirrup in interior vertical muscle and column, casting concrete wait after the completion of conserving, and leads in multicolumn prestressing force in presstressed reinforcing steel anchorage fixed column
Muscle finally welds beam column junction steel plate on the steel plate of column side；
Step 2 makes beams of concrete：Make the perforative hole of presstressed reinforcing steel in beam by being opened on beam-ends steel plate, according to design code
Position beam-ends steel plate is shelved in the template of beams of concrete, then discharge and indulge stirrup in muscle and beam in beam and form steel reinforcement cage, then
Peg in beam and the welding of beam-ends steel plate are placed in the template of beams of concrete, and presstressed reinforcing steel in beam is passed through into concrete beam form
Plate and beam-ends steel plate simultaneously carry out tensioning, bind and indulge stirrup in muscle and beam in beam, and then casting concrete, is waited after the completion of conserving, first
H profile steel and beam-ends steel plate are welded, then pass through presstressed reinforcing steel in presstressed reinforcing steel anchorage fixed beam in beam；
Step 3, factory's lifting：The concrete column made and beams of concrete are transported to construction site, it is solid by bolt
Determine H profile steel web and beam-to-column joint steel plate, then the welded H section steel edge of a wing and column side steel plate.
Step 1 and step 2 sequence in no particular order.
Compared with prior art, there are following technique effects by the present invention：
(1) present invention is linked and packed formula beam column built from concrete by H profile steel, greatly reduces assembly concrete bean column node
The difficulty of connection；
(2) present invention greatly reduces assembled by H profile steel and steel plate bolted and welded connection assembly concrete beam column
The difficulty of concrete beam and column node connection；
(3) this invention simplifies working procedures, accelerate speed of application, and the positioning of beam column is more accurate, are follow-up
Construction is brought convenience；
(4) present invention uses presstressed reinforcing steel, improves concrete column side built-in fitting and beams of concrete end face built-in fitting
Rigidity reduces deformation；
(5) present invention uses peg so that the shearing resistance effect of built-in fitting and concrete beam end embedded part is into one in concrete column
Step is promoted；
(6) in the present invention at concrete beam and column node, concrete column up and down, maintains the globality of concrete column.
(7) each present invention is mainly used in assembly concrete frame structure and frame-shear-wall structure, can be combined with
Kind supporting member uses.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it is therefore apparent that drawings in the following description are only some embodiments of the invention, for ability
For field technique personnel, without creative efforts, other drawings may also be obtained based on these drawings.It is attached
In figure：
Fig. 1 is the outside drawing of prefabricated PC beams of concrete column connected node of the present invention；
Fig. 2 is the schematic three dimensional views of prefabricated PC beams of concrete column connected node of the present invention；
Fig. 3 is the floor map of prefabricated PC beams of concrete column connected node of the present invention；
Fig. 4 is the A-A sectional views of prefabricated PC beams of concrete column connected node of the present invention；
Fig. 5 is the B-B sectional views of prefabricated PC beams of concrete column connected node of the present invention；
Fig. 6 is the C-C sectional views of prefabricated PC beams of concrete column connected node schematic diagram of the present invention.
Specific implementation mode
Prefabricated PC beams of concrete column connected node provided by the invention is carried out below with reference to Fig. 1 to Fig. 6 detailed
Thin description, the present embodiment are being implemented down based on the technical solution of the present invention, give detailed embodiment and tool
The operating process of body, but protection scope of the present invention is not limited to following embodiments, and those skilled in the art are not changing this hair
In the range of bright spirit and content, can it be modified and be polished.
It please refers to Fig.1 to Fig. 6, a kind of prefabricated PC beams of concrete column connected node, including concrete column 1 and at least
One beams of concrete 3, is fixedly connected between the beams of concrete 3 and concrete column 1 by H profile steel 2.In the present embodiment, coagulation
The end of native beam 3 can be set according to actual needs any position in the either side face of concrete column 1, can also be coagulation
The two sides of earth pillar 1 are separately connected a beams of concrete 3 simultaneously, and the present embodiment is not restricted this, i.e., the concrete column 1 is extremely
A column side steel plate 15, the end set beam-ends steel plate 31 of the beams of concrete 3, column side steel plate 15 and institute is arranged in few one side
It states and is fixedly connected by the H profile steel 2 between beam-ends steel plate 31.In the present embodiment, concrete column 1 and all beams of concretes 3
Connecting node structure all same, the specific knot of the connecting node of the side of the end of beams of concrete 3 and the concrete column 1
Structure is as follows：
It is equipped in concrete column 1 in column and indulges muscle 11, stirrup 12 in column, peg in presstressed reinforcing steel 13 and column in column, hoop in column
Muscle 12 is located at the outside that muscle 11 is indulged in column, and presstressed reinforcing steel 13 is each passed through the column side in several columns in the concrete column 1
Steel plate 15, and column side steel plate 15 is fixed on to by presstressed reinforcing steel anchorage 14 in column the side of the concrete column 1, i.e. column
Interior steel plate is located at the outside of stirrup 12 in column, and concordant with the outside face of concrete column 1.It is reserved with several holes on column side steel plate 15
Hole, presstressed reinforcing steel 13 is each passed through several holes and is fixed column side steel plate 15 by presstressed reinforcing steel anchorage 14 in column in column
In the side of the concrete column 1 to form built-in fitting in column, peg 16 is welded with column side steel plate 15 in column.
Further, there are for site welding between presstressed reinforcing steel anchorage 14 and the edge of a wing of the H profile steel 2 in the column
Gap, in column presstressed reinforcing steel 13 can the tensioning before casting concrete column 1, also or coagulation of the reserving hole after knot is hard
Tensioning on earth pillar 1 is fixed after tensioning using presstressed reinforcing steel anchorage 14 in column.
Stirrup 33 in beam is equipped in beams of concrete 3, peg 35 in presstressed reinforcing steel 32 and beam in beam, stirrup 33 is located at beam in beam
The outside of interior presstressed reinforcing steel 32, presstressed reinforcing steel 32 is each passed through beam-ends steel plate 31 in several beams in beams of concrete 3, and passes through beam
The beam-ends steel plate 31 is fixed on the end face of the beams of concrete 3 by interior presstressed reinforcing steel anchorage 34, i.e., steel plate is located in beam in beam
The outer end of stirrup 33, and it is concordant with the outer end face of beams of concrete 3.It is reserved with several holes on beam-ends steel plate 31, prestressing force in beam
Muscle 32 is each passed through several holes and the beam-ends steel plate 31 is fixed on the concrete by presstressed reinforcing steel anchorage 34 in beam
The end of beam 3 is to form built-in fitting in beam, and peg 35 is welded with the beam-ends steel plate 31 in beam.
Further, presstressed reinforcing steel 13 is vertical with the plane of column side steel plate 15 in the column, and muscle 11 and column are indulged in column
The plane of side steel plate 15 is parallel, and the H profile steel 2 is vertical with the plane of column side steel plate 15；
Presstressed reinforcing steel 32 is vertical with the plane of the beam-ends steel plate 31 in the beam, the H profile steel 2 and the beam-ends steel plate
31 plane is vertical.
Further, peg 16 is vertical with the plane of column side steel plate 15 in the column；
Peg 35 is vertical with the plane of the beam-ends steel plate 31 in the beam.
Further, peg 16 is connect with column side steel plate 15 using nail solder or arc pulling type welding of peg in the column；
Peg 35 is connect with beam-ends steel plate 31 using nail solder or arc pulling type welding of peg in the beam.
In the present embodiment, one end of the H profile steel 2 is welded with column side steel plate 15, i.e. the upper limb of 2 one end of H profile steel
Edge, web and lower flange are welded with column side steel plate 15 respectively, and the other end is welded with the beam-ends steel plate 31, i.e. 2 other end of H profile steel
Top flange, web and lower flange respectively with beam-ends steel plate 31 weld.
A beam-to-column joint steel plate 4 is also welded on column side steel plate 15,2 web of the beam-to-column joint steel plate 4 and H profile steel
It is all provided with hole on corresponding position, is fixedly connected with the beam-to-column joint steel plate 4 with the web of H profile steel 2 by bolt 5.
Further, the beam-to-column joint steel plate 4 is vertical with the plane of column side steel plate 15.
Further, the H profile steel 2 is all made of with the junction of column side steel plate 15 and beam-ends steel plate 31 respectively melts groove
Welding or fillet weld seam；
The junction of the beam-to-column joint steel plate 4 and column side steel plate 15, which is all made of, melts groove welding or fillet weld seam.
As a kind of embodiment, a column side steel plate 15, two column side steel are respectively set in the two sides of the concrete column 1
The outside of plate 15 is fixedly connected by a H profile steel 2 with the end of a beams of concrete 3 respectively, and two column side steel plates 15 connect respectively
It is connected on the both sides of presstressed reinforcing steel 13 in the column.In the present embodiment, 15 structure pair of column side steel plate of 1 two sides of concrete column
Claim.
In the present invention, the junction of H profile steel 2 is not necessarily to casting concrete.
The present invention also provides a kind of construction method of prefabricated PC beams of concrete column connected node, including it is following
Step：
Step 1 makes concrete column：Make the perforative hole of presstressed reinforcing steel in column by being opened on the steel plate of column side, according to design code
Position column side steel plate is shelved in the template of concrete column, then discharge and indulge stirrup in muscle and column in column and form steel reinforcement cage, then
Peg in column and the welding of column side steel plate are placed in the template of concrete column, and presstressed reinforcing steel in column is passed through into concrete column mould
Plate and column side steel plate simultaneously carry out tensioning, reserve presstressed reinforcing steel duct in the column on the other two sides of column, and carry out tensioning, then bind column
Stirrup in interior vertical muscle and column, casting concrete wait after the completion of conserving, and leads in multicolumn prestressing force in presstressed reinforcing steel anchorage fixed column
Muscle finally welds beam column junction steel plate on the steel plate of column side；
Step 2 makes beams of concrete：Make the perforative hole of presstressed reinforcing steel in beam by being opened on beam-ends steel plate, according to design code
Position beam-ends steel plate is shelved in the template of beams of concrete, then discharge and indulge stirrup in muscle and beam in beam and form steel reinforcement cage, then
Peg in beam and the welding of beam-ends steel plate are placed in the template of beams of concrete, and presstressed reinforcing steel in beam is passed through into concrete beam form
Plate and beam-ends steel plate simultaneously carry out tensioning, bind and indulge stirrup in muscle and beam in beam, and then casting concrete, is waited after the completion of conserving, first
H profile steel and beam-ends steel plate are welded, then pass through presstressed reinforcing steel in presstressed reinforcing steel anchorage fixed beam in beam；
Step 3, factory's lifting：The concrete column made and beams of concrete are transported to construction site, it is solid by bolt
Determine H profile steel web and beam-to-column joint steel plate, then the welded H section steel edge of a wing and column side steel plate.
Step 1 and step 2 sequence in no particular order.
The present invention proposes a kind of prefabricated PC beams of concrete column connected node form, is held in the design according to structure
It carries power and deformation requirements determines section and the arrangement of reinforcement of assembly concrete component.Pre-embedded steel slab plate thickness, the diameter of peg, length
Degree, quantity, presstressed reinforcing steel specification etc. are designed according to the ultimate bearing capacity of beam and column.
Explanation uses process, the assembly for being connected below by way of prefabricated PC concrete frame structure bean column node
Formula prestressed concrete frame middle frame beam section size be 200mm × 400mm, cross-section of frame column size be 400mm ×
400mm.Tensile region arrangement of reinforcement is the prestressing force spiral of 3AT18 in Vierendeel girder, and compressive region arrangement of reinforcement is the prestressing force screw thread of 2AT18
Reinforcing bar is fixed using nut anchor, and stirrup is C8@100/200 (2).The vertical muscle of frame column is 4C18, and stirrup is C8@100/200
(2).Presstressed reinforcing steel is 4AT18, level interval 114mm, vertical spacing 360mm in frame column.Concrete beam end steel plate length is
400mm, width 200mm, thickness 20mm.Peg totally 6 in beams of concrete, peg a diameter of 13mm, length 120mm,
Along beam section height direction totally 3 row, spacing 80mm, along beam section width direction totally 2 row, spacing 80mm.Concrete column side
Steel plate length is 450mm, width 200mm, thickness 20mm.Peg totally 8 in concrete column, a diameter of 13mm of peg are long
Degree is 80mm, along column longitudinal axis totally 4 row, spacing 80mm, perpendicular to column longitudinal axis totally 2 row, spacing 80mm.Work
Word steel a length of 300mm, a height of 240mm, width 160mm, web thickness are 12mm, and edge of a wing thickness is 16mm.Beam-to-column joint steel plate is a length of
160mm, width 80mm, thick 12mm.Bolt uses M16.
Disclosed above is only the specific embodiment of the application, and however, this application is not limited to this, any this field
Technical staff can think variation, should all fall in the protection domain of the application.
Claims (14)
1. a kind of prefabricated PC beams of concrete column connected node, which is characterized in that including concrete column and an at least coagulation
Tu Liang is fixedly connected between the beams of concrete and concrete column by H profile steel.
2. prefabricated PC beams of concrete column connected node as described in claim 1, which is characterized in that the concrete column
At least one side be arranged a column side steel plate, the end set beam-ends steel plate of the beams of concrete, column side steel plate with it is described
It is fixedly connected by the H profile steel between beam-ends steel plate.
3. prefabricated PC beams of concrete column connected node as claimed in claim 2, which is characterized in that the concrete column
Presstressed reinforcing steel is each passed through column side steel plate in interior several columns, and by presstressed reinforcing steel anchorage in column by column side steel plate
It is fixed on the side of the concrete column；
Presstressed reinforcing steel is each passed through the beam-ends steel plate in several beams in the beams of concrete, and passes through presstressed reinforcing steel anchor in beam
Tool is by the beam-ends Interal fixation in the end of the beams of concrete.
4. prefabricated PC beams of concrete column connected node as claimed in claim 3, which is characterized in that answered in advance in the column
There are the gaps for site welding between power muscle anchorage and the edge of a wing of the H profile steel.
5. prefabricated PC beams of concrete column connected node as claimed in claim 3, which is characterized in that answered in advance in the column
Power muscle is vertical with the plane of column side steel plate, and the H profile steel is vertical with the plane of column side steel plate；
Presstressed reinforcing steel is vertical with the plane of beam-ends steel plate in the beam, and the H profile steel and the plane of the beam-ends steel plate are hung down
Directly.
6. prefabricated PC beams of concrete column connected node as claimed in claim 3, which is characterized in that the concrete column
It is inside additionally provided with peg in several columns, peg is welded with column side steel plate in several columns；
Peg in several beams is additionally provided in the beams of concrete, peg is welded with the beam-ends steel plate in several beams.
7. prefabricated PC beams of concrete column connected node as claimed in claim 6, which is characterized in that peg in the column
It is vertical with the plane of column side steel plate；
Peg is vertical with the plane of beam-ends steel plate in the beam.
8. prefabricated PC beams of concrete column connected node as claimed in claim 6, which is characterized in that peg in the column
It is connect using nail solder or arc pulling type welding of peg with column side steel plate；
Peg is connect with beam-ends steel plate using nail solder or arc pulling type welding of peg in the beam.
9. prefabricated PC beams of concrete column connected node as claimed in claim 2, which is characterized in that the H profile steel
One end is welded with column side steel plate, and the other end is welded with the beam-ends steel plate.
10. prefabricated PC beams of concrete column connected node as claimed in claim 9, which is characterized in that column side steel
It also welds a beam-to-column joint steel plate on plate, hole is all provided on the corresponding position of the beam-to-column joint steel plate and H profile steel web, lead to
Bolt is crossed to be fixedly connected with the beam-to-column joint steel plate with the web of H profile steel.
11. prefabricated PC beams of concrete column connected node as claimed in claim 10, which is characterized in that the beam column connects
It is vertical with the plane of column side steel plate to connect steel plate.
12. prefabricated PC beams of concrete column connected node as claimed in claim 9, which is characterized in that the H profile steel point
It is not all made of with the junction of column side steel plate and beam-ends steel plate and melts groove welding or fillet weld seam；
The junction of the beam-to-column joint steel plate and column side steel plate, which is all made of, melts groove welding or fillet weld seam.
13. prefabricated PC beams of concrete column connected node as claimed in claim 3, which is characterized in that the concrete
A column side steel plate is respectively set in the two sides of column, and the outside of two column side steel plates passes through a H profile steel and a beams of concrete respectively
End be fixedly connected, two column side steel plates are connected to the both sides of presstressed reinforcing steel in the column.
14. a kind of construction method of prefabricated PC beams of concrete column connected node, which is characterized in that including following step
Suddenly：
Step 1 makes concrete column：Make the perforative hole of presstressed reinforcing steel in column by being opened on the steel plate of column side, according to the position of design code
It sets and column side steel plate is shelved in the template of concrete column, then discharge and indulge stirrup in muscle and column in column and form steel reinforcement cage, then by column
Interior peg is placed on the welding of column side steel plate in the template of concrete column, and by presstressed reinforcing steel in column pass through concrete column template and
Column side steel plate simultaneously carries out tensioning, reserves presstressed reinforcing steel duct in the column on the other two sides of column, and carry out tensioning, then binds in column and indulges
Stirrup in muscle and column, casting concrete wait after the completion of conserving, and leads in multicolumn presstressed reinforcing steel in presstressed reinforcing steel anchorage fixed column, most
Beam column junction steel plate is welded on the steel plate of column side afterwards；
Step 2 makes beams of concrete：Make the perforative hole of presstressed reinforcing steel in beam by being opened on beam-ends steel plate, according to the position of design code
It sets and beam-ends steel plate is shelved in the template of beams of concrete, then discharge and indulge stirrup in muscle and beam in beam and form steel reinforcement cage, then by beam
The welding of interior peg and beam-ends steel plate is placed in the template of beams of concrete, and by presstressed reinforcing steel in beam pass through concrete beam mould board and
Beam-ends steel plate simultaneously carries out tensioning, binds and indulges stirrup in muscle and beam in beam, then casting concrete, is waited after the completion of conserving, first by H-type
Steel and beam-ends steel plate weld, then pass through presstressed reinforcing steel in presstressed reinforcing steel anchorage fixed beam in beam；
Step 3, factory's lifting：The concrete column made and beams of concrete are transported to construction site, H is bolted
Shape steel web and beam-to-column joint steel plate, then the welded H section steel edge of a wing and column side steel plate.
Step 1 and step 2 sequence in no particular order.
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| CN109881778A (en) * | 2019-04-15 | 2019-06-14 | 上海应用技术大学 | A kind of Prefabricated steel construction hidden bracket node and its construction method |
| CN110016968A (en) * | 2019-04-18 | 2019-07-16 | 合肥工业大学 | A kind of unilateral assembled connecting node of prefabricated overlapping coupled column of precast concrete beam- |
| CN110318478A (en) * | 2019-05-21 | 2019-10-11 | 宁波工程学院 | A kind of Self-resetting assembly concrete girder construction |
| CN110485630A (en) * | 2019-07-30 | 2019-11-22 | 武汉理工大学 | The concrete assembled beam column component of prestressing force GFRP tendons and installation method |
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| WO2023279680A1 (en) * | 2021-07-08 | 2023-01-12 | 海南大学 | Fabricated concrete beam-column joint and construction method therefor |
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| CN113529946A (en) * | 2021-08-24 | 2021-10-22 | 西安建筑科技大学 | Beam column energy consumption connecting piece based on U-shaped plate and construction method thereof |
| CN114319583A (en) * | 2021-12-20 | 2022-04-12 | 宁波市电力设计院有限公司 | Connecting structure of prefabricated frame beam and prefabricated frame column |
| CN115126320A (en) * | 2022-05-24 | 2022-09-30 | 福建工程学院 | Assembled replaceable beam-column connecting node structure |
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