CN114508172A - Prefabricated assembled column-beam joint core area and construction method thereof - Google Patents
Prefabricated assembled column-beam joint core area and construction method thereof Download PDFInfo
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- CN114508172A CN114508172A CN202210139010.8A CN202210139010A CN114508172A CN 114508172 A CN114508172 A CN 114508172A CN 202210139010 A CN202210139010 A CN 202210139010A CN 114508172 A CN114508172 A CN 114508172A
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- 238000010276 construction Methods 0.000 title claims abstract description 59
- 238000009415 formwork Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 43
- 239000010959 steel Substances 0.000 claims description 43
- 238000003825 pressing Methods 0.000 claims description 17
- 239000004567 concrete Substances 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000011440 grout Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000011376 self-consolidating concrete Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
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- 230000035939 shock Effects 0.000 description 1
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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
-
- 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
- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
- E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
- E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
- E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
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- 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
-
- 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/02—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for columns or like pillars; Special tying or clamping means therefor
-
- 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
- E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
- E04G13/04—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for lintels, beams, or transoms to be encased separately; Special tying or clamping means therefor
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
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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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/065—Tying means, the tensional elements of which are threaded to enable their fastening or tensioning
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
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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
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
- E04G21/123—Wire twisting tools
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a prefabricated assembled column-beam joint core area and a construction method thereof.A strut connecting cylinder is arranged on a segment strut; the column side supporting plate is firmly connected with the assembled upright column through the column side hoop, and the spatial position of the assembled beam can be adjusted through the transverse position control bolt, the vertical position control body and the longitudinal position control body; the distance between the vertical columns is adjusted through the diagonal bracing positioning bolts, and the position of a column stirrup can be limited through a stirrup clamping groove; a position-correcting baffle and a counter-pull screw rod are arranged between the assembled cross beams, and the pull rod fastening bolt can be firmly connected with a column top anchor plate in the assembled upright column through a pull rod connecting groove and a bracing rib connecting rod; the first sleeve and the second sleeve with the same height are used for connecting the longitudinal ribs of the cross beam; the formwork cross brace and the beam stirrup are respectively provided with a stirrup clamping groove and a cross brace clamping groove, and the position of the core area formwork is controlled through the formwork position control bolt. The invention can improve the construction efficiency, improve the stress performance of the node core area and reduce the difficulty of site construction.
Description
Technical Field
The invention relates to the field of constructional engineering, in particular to a prefabricated assembled column-beam joint core area capable of improving construction efficiency, node stress performance and connection strength and a construction method thereof, and is suitable for assembled constructional engineering.
Background
The fabricated building has the advantages of high construction efficiency, small pollution and the like, and is widely applied to civil engineering. When the prefabricated building is constructed, how to improve the stress performance of the prefabricated node, reduce the difficulty of member connection construction and improve the field construction efficiency is always the key and difficult point of engineering control.
In the prior art, an assembly beam and assembly column connecting structure is provided, wherein a column top reinforcing plate and a joint shock absorption layer are arranged on the top surface of a lower assembly column, and a vertical connecting rib is arranged on the column top reinforcing plate; presetting a beam bottom reinforcing plate at the joint of the lower surface of the assembly beam and the lower assembly column; a reinforcing angle plate, an interface bonding layer and a mortar protective layer are sequentially arranged in a reinforcing body distribution groove at the joint of the upper surface of the assembly beam and the upper assembly column; a connecting steel plate is arranged between two adjacent sections of the assembling beams; and filling post-cast concrete in a gap at the intersection of the upper assembly column and the assembly beam, and arranging a transverse hoop plate and a vertical hoop plate. Although this technique can improve assembled beam column node to a certain extent, atress property, reduce the degree of difficulty of site assembly construction, nevertheless be difficult to solve assembled crossbeam accurate positioning, construction platform and conveniently set up, nuclear core zone stirrup accurate positioning, with the same elevation longitudinal reinforcement collision connection scheduling problem.
In view of this, in order to improve the construction quality of the prefabricated column-beam joint engineering and reduce the construction difficulty, the invention of the prefabricated column-beam joint core area construction method capable of enhancing the bearing capacity of the joint core area, improving the integrity of the structure and reducing the field construction difficulty is urgently needed.
Disclosure of Invention
The invention aims to provide a prefabricated assembled column-beam node core area and a construction method thereof, wherein the prefabricated assembled column-beam node core area can enhance the effectiveness of node connection, can improve the bearing capacity of a node core area and can improve the structural integrity.
In order to realize the technical purpose, the invention adopts the following technical scheme:
a construction method for a core area of a prefabricated column-beam joint comprises the following construction steps:
1) construction preparation: preparing an assembly type upright post and an assembly type cross beam; surveying and determining the plane position of the assembled upright post, and mounting the assembled upright post; preparing materials and devices required by construction;
2) laying a construction platform: segment brackets are sequentially arranged on the platform bottom plate, the segment brackets which are connected up and down are connected through a bracket connecting cylinder, and the platform bottom plate is connected with the segment brackets through a bracket bottom connecting cylinder; the lower part of the platform bottom plate is provided with a shifting roller, so that the platform fastening bolt is connected with the platform bottom plate through a screw hole, and the bottom end of the platform fastening bolt is provided with a platform bottom supporting plate; connecting a plate bottom connecting tenon on the lower surface of the platform top plate with a support frame connecting cylinder on the lower part, and arranging a platform guardrail on the platform top plate; a platform fastening cable is arranged between the platform top plate and the lower floor slab;
3) hoisting and positioning the assembled beam: sleeving a column side hoop on the fabricated upright column, and firmly connecting the column side supporting plate with the fabricated upright column through the column side hoop; the upper surface of the column side supporting plate is provided with a vertical control body and a supporting vertical plate, and the top end of the vertical control body is provided with a beam falling limiting groove; connecting bottom plates and connecting pressure plates at two ends of the position correcting baffle are respectively arranged at the lower part and the upper part of the assembled cross beam, and the connecting pressure plates are firmly connected with the assembled cross beam through cross beam fastening bolts; a longitudinal control body is arranged between the position correction baffle and the supporting vertical plate; hoisting the assembled cross beam to the beam falling limiting groove by using external hoisting equipment, and respectively placing beam end shear tenons at two ends of the assembled cross beam at the top ends of the assembled upright columns; firstly, adjusting the transverse position and the vertical elevation of the assembled cross beam through a transverse position control bolt and a vertical position control body respectively, and then adjusting the longitudinal position of the assembled cross beam through a longitudinal position control body;
4) the stirrup in the core area is arranged: the upright column reinforcement cage is formed by binding upright column longitudinal reinforcements and upright column stirrups; correcting the verticality and the spatial position of the vertical column longitudinal rib of the extension section of the assembled vertical column; determining the distance between stirrup clamping grooves on the vertical plates according to the vertical distance between the stirrups of the stand column, firstly adjusting the distance between the two vertical plates with opposite mirror images through a diagonal bracing positioning bolt, then embedding the stirrups of the stand column into the stirrup clamping grooves, and respectively limiting the positions of the stirrups of the stand column through a clamping groove bottom plate and a clamping groove pressing plate; firstly, inserting a counter-pull screw connected with a pull rod embedded plate into a gap of a stand column stirrup, then inserting a vertical plate and the stand column stirrup into a gap of an assembled cross beam, inserting the pull rod embedded plate and the counter-pull screw into a pull rod connecting groove, and firmly connecting a stand column longitudinal rib and the stand column stirrup;
5) the assembled beam is connected: firstly, connecting the bottom end of a brace connecting rod with a column top connecting bolt, arranging a pull rod connecting groove at the top end of the brace connecting rod, applying fastening tension on a counter-pull screw rod through a pull rod fastening bolt, and then firmly connecting the pull rod fastening bolt at the lower layer with the pull rod connecting groove; vertically welding second sleeves on two sides of a first sleeve of the steel bar connector, and respectively inserting longitudinal bars of the cross beams of the two vertically connected assembled cross beams into the first sleeve and the second sleeve; grouting connectors into the first sleeve and the second sleeve through sleeve grouting holes in a pressure grouting mode, and firmly connecting sleeve reinforcing ribs with the beam longitudinal ribs; grouting the gap between the pull rod embedded plate and the pull rod connecting groove to form a grout filler;
6) core area concrete pouring construction: firstly, arranging a formwork cross brace above an installed fabricated cross beam, respectively arranging a stirrup clamping groove and a cross brace clamping groove on the formwork cross brace and a cross beam stirrup on the upper part of the fabricated cross beam, and arranging a clamping groove connecting bolt between the stirrup clamping groove and the cross brace clamping groove; sequentially arranging a formwork vertical plate and a formwork position control bolt on the side of the formwork cross brace facing the assembled upright post, and connecting a position control bolt connecting plate at the other end of the formwork position control bolt with a formwork positioning groove on the side surface of the core area formwork; the position of tying control formwork stull through the draw-in groove earlier, the position of core region template is tied in rethread template accuse position control, then carries out core region concrete pouring construction.
Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:
(1) the section strut is provided with the strut connecting cylinder, so that the laying efficiency of the construction platform and the connection strength of the section strut can be effectively improved; meanwhile, the platform fastening cable is arranged between the platform top plate and the lower floor slab, and the platform bottom plate is provided with the platform fastening cable and the platform bottom supporting plate which are connected with the lower floor slab, so that the stability of the supporting platform can be effectively improved.
(2) According to the invention, the column side supporting plate and the assembled upright post are firmly connected through the column side hoop, so that the difficulty in building a beam falling platform can be effectively reduced, and the engineering measure cost is saved; meanwhile, the transverse position and the vertical elevation of the assembled cross beam are adjusted through the transverse position control bolt and the vertical position control body respectively, and the longitudinal position of the assembled cross beam is adjusted through the longitudinal position control body, so that the three-way fixation of the assembled cross beam is realized.
(3) According to the invention, the distance between the two vertical plates with opposite mirror images is adjusted by the pair of the support positioning bolts, and the position of the upright post stirrup is limited by the clamping groove bottom plate and the clamping groove pressing plate of the stirrup clamping groove, so that synchronous suspension positioning of a plurality of upright post stirrups is realized, and the difficulty in installing and positioning the stirrups in a core area is reduced.
(4) According to the invention, the position-correcting baffle and the counter-pull screw are arranged between the opposite assembled cross beams, the fastening tension can be applied to the assembled cross beams through the pull rod fastening bolts, and the pull rod fastening bolts are firmly connected with the column top anchor plate in the assembled upright column through the pull rod connecting grooves and the bracing rib connecting rods, so that the connecting strength of the assembled cross beams and the assembled upright column is improved; meanwhile, the first sleeve and the second sleeve which are the same in height are used for connecting the connected transverse beams and longitudinal bars, so that the problem of collision optimization of the transverse beams and the longitudinal bars of the assembled transverse beams is solved.
(5) According to the invention, the stirrup clamping grooves and the cross beam clamping grooves are respectively arranged on the cross beam stirrups at the upper parts of the formwork support cross brace and the fabricated cross beam, the position of the formwork support cross brace is controlled through the clamping groove connecting bolt, the position of the core area template is controlled through the template position control bolt, and then the core area concrete pouring construction is carried out, so that the difficulty of the core area concrete pouring construction is reduced.
Drawings
FIG. 1 is a construction flow chart of a construction method of a prefabricated column-beam joint core area according to the present invention;
FIG. 2 is a schematic view of a beam-column core construction of the prefabricated frame structure of FIG. 1;
FIG. 3 is a schematic plan view of the overall stirrup deployment device in the core area of FIG. 1;
FIG. 4 is a schematic elevation view of the integral stirrup laying device in the core area of FIG. 3;
FIG. 5 is a schematic view of the connection structure of the reinforcing bar connecting body and the longitudinal bars of the cross beam in FIG. 2;
fig. 6 illustrates concrete pouring in the core area of fig. 1.
In the figure: 1-assembled upright posts; 2, assembling type cross beams; 3-a platform floor; 4-section strut; 5-a strut connecting cylinder; 6-shifting rollers; 7-platform fastening bolt; 8-platform bottom supporting plate; 9-a platform top plate; 10-platform guardrail; 11-lower floor slab; 12-a platform fastening cable; 13-column side cuff; 14-column side plates; 15-vertical control body; 16-supporting a vertical plate; 17-beam falling limiting groove; 18-a connection backplane; 19-connecting the press plate; 20-a cross beam fastening bolt; 21-a position correction baffle; 22-longitudinal control body; 23-connecting the bottom of the support frame with a cylinder; 24-vertical column longitudinal ribs; 25-column stirrups; 26-vertical plates; 27-stirrup clamping grooves; 28-oppositely supporting positioning bolts; 29-card slot bottom plate; 30-a card slot pressing plate; 31-bar embedded fixing plate; 32-counter-pulling screw; 33-a tie bar connecting slot; 34-a rib-bracing connecting rod; 35-column top connecting bolt; 36-a tie rod fastening bolt; 37-a rebar junction; 38-a first sleeve; 39-a second sleeve; 40-sleeve grouting holes; 41-grouting connecting body; 42-sleeve reinforcing ribs; 43-beam longitudinal ribs; 44-slurry-solid filler; 45-supporting a formwork cross brace; 46-beam stirrups; 47-cross brace clamping groove; 48-card slot connecting bolt; 49-erecting a formwork vertical plate; 50-template position control bolts; 51-position control bolt connecting plate; 52-core region template; 53-template positioning grooves; 54-core zone concrete; 55-column top anchor plate; 56-pole setting of a support frame; 57-a strut cross tube; 58-bracing of the strut; 59-lateral position control pin; 60-beam end shear falcon; 61-a template containment zone; 62-connecting falcon at the bottom of the plate; 63-column reinforcement cage.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
The construction technology of the core area of the prefabricated assembled column-beam joint requires a concrete pouring construction technology, a formwork erecting construction technology, a profile steel rolling and welding construction technology, a bolt fastening construction technology and the like, and details are not repeated in the embodiment, and the embodiment of the method related to the invention is mainly explained.
Fig. 1 is a flow chart of construction of a core area of a prefabricated assembled column-beam joint, and referring to fig. 1, a construction method of the core area of the prefabricated assembled column-beam joint includes the following construction steps:
1) construction preparation: preparing an assembly type upright post (1) and an assembly type cross beam (2); surveying and determining the plane position of the assembled upright post (1), and installing the assembled upright post (1); preparing materials and devices required by construction;
2) laying a construction platform: the multi-section supporting frames (4) are sequentially arranged on the platform bottom plate (3), the lower part of the platform bottom plate (3) is provided with a shifting roller (6), the platform fastening bolt (7) penetrates through the platform bottom plate (3), the bottom end of the platform fastening bolt (7) is provided with a platform bottom supporting plate (8), and the platform bottom supporting plate (8) is arranged on the lower floor slab (11); a platform top plate (9) is fixed on the top of the section strut (4) at the top, a platform guardrail (10) is arranged on the platform top plate (9), and a platform fastening cable (12) is arranged between the platform top plate (9) and a lower floor slab (11);
the segment brackets (4) connected up and down are connected through bracket connecting cylinders (5), and the platform base plate (3) is connected with the segment brackets (4) through bracket bottom connecting cylinders (23). Namely, the section strut (4) at the bottommost part is connected with the platform bottom plate (3) through a strut bottom connecting cylinder (23) inserted on the platform bottom plate (3). The platform fastening bolt (7) is connected with the platform bottom plate (3) through a screw hole, and a platform bottom supporting plate (8) is arranged at the bottom end of the platform fastening bolt (7). It is worth mentioning that when the platform fastening bolt (7) is fixed on the platform bottom support plate (8), the shifting roller (6) is arranged far away from the lower floor slab (11). A plate bottom connecting falcon (62) on the lower surface of the platform top plate (9) is connected with a bracket connecting cylinder (5) on the lower part.
Platform fastening cables (12) which are respectively arranged on two sides of the section support frame (4) are in a splayed shape so as to connect a platform top plate (9) with a lower floor slab (11).
3) Hoisting and positioning the assembled beam: sleeving a column side hoop (13) on the fabricated upright column (1), and connecting a column side supporting plate (14) with the fabricated upright column (1) through the column side hoop (13); the upper surface of a column side supporting plate (14) is provided with a vertical control body (15) and a supporting vertical plate (16), and the top end of the vertical control body (15) is provided with a beam falling limiting groove (17); connecting bottom plates (18) and connecting pressure plates (19) at two ends of a position correction baffle (21) are respectively arranged at the lower part and the upper part of the assembled cross beam (2), the connecting pressure plates (19) are firmly connected with the assembled cross beam (2), and a longitudinal position control body (22) is arranged between the position correction baffle (21) and a supporting vertical plate (16); the assembly type cross beam (2) is hung on the beam falling limiting groove (17) by adopting external hoisting equipment, and beam end shearing falcons (60) at two ends of the assembly type cross beam (2) are respectively placed at the top ends of the assembly type upright columns (1); firstly, the transverse position and the vertical elevation of the assembled cross beam (2) are adjusted through a transverse position control bolt (59) and a vertical position control body (15) on a beam falling limiting groove (17), and then the longitudinal position of the assembled cross beam (2) is adjusted through a longitudinal position control body (22);
the column side supporting plates (14) are arranged on two sides of the assembly type upright column (1), one side of each column side supporting plate (14) is arranged between the column side hoop (13) and the assembly type upright column (1) and fastened, and the other side of each column side supporting plate is perpendicular to the assembly type upright column (1) and is respectively arranged on two sides of the assembly type upright column (1). The connecting pressure plate (19) is firmly connected with the assembled cross beam (2) through a cross beam fastening bolt (20).
4) The stirrup in the core area is arranged: the upright column reinforcement cage (63) is formed by binding upright column longitudinal bars (24) and upright column stirrups (25), and the vertical degree and the spatial position of the extending sections of the assembled upright columns (1) relative to the upright column longitudinal bars (24) are corrected; the method comprises the steps that the distance between stirrup clamping grooves (27) on vertical plates (26) is determined according to the vertical distance between upright stirrups (25), the distance between the two vertical plates (26) with opposite mirror images is adjusted through a diagonal bracing positioning bolt (28), the upright stirrups (25) are embedded into the stirrup clamping grooves (27), and the positions of the upright stirrups (25) are limited through a clamping groove bottom plate (29) and a clamping groove pressing plate (30); firstly, inserting a split screw (32) connected with a pull rod embedded plate (31) into a gap of an upright column stirrup (25), then inserting a vertical plate (26) and the upright column stirrup (25) into a gap of an assembled cross beam (2), inserting the pull rod embedded plate (31) and the split screw (32) into a pull rod connecting groove (33) of a rib supporting connecting rod (34), and firmly connecting an upright column longitudinal rib (24) with the upright column stirrup (25);
at least two vertical column longitudinal bars (24) are arranged at intervals and wrapped on the side of the assembled vertical column (1), at least two vertical column stirrups (25) are arranged at intervals in parallel, and the vertical column longitudinal bars (24) and the vertical column stirrups (25) are arranged in a staggered mode.
The vertical plate (26) is perpendicular to the vertical column stirrups (25), and a stirrup clamping groove (27) is formed in the vertical plate (26). The clamping groove bottom plate (29) and the clamping groove pressing plate (30) are respectively arranged at the upper side and the lower side of the upright post stirrup (25) to limit the position of the upright post stirrup (25).
5) The assembled beam is connected: firstly, the bottom end of a rib supporting connecting rod (34) is connected with a column top connecting bolt (35) at the top of an assembly type upright column (1), a pull rod connecting groove (33) is arranged at the top end of the rib supporting connecting rod (34), then a fastening pulling force is applied to a counter pull screw rod (32) through a pull rod fastening bolt (36), and then the pull rod fastening bolt (36) at the lower layer is firmly connected with the pull rod connecting groove (33); vertically welding second sleeves (39) on two sides of a first sleeve (38) of a steel bar connecting body (37), and respectively inserting a transverse beam longitudinal bar (43) of two vertically connected assembled transverse beams (2) into the first sleeve (38) and the second sleeve (39); grouting a grout connecting body (41) into the first sleeve (38) and the second sleeve (39) through sleeve grouting holes (40) in the first sleeve (38) and the second sleeve (39), and firmly connecting sleeve reinforcing ribs (42) with cross beam longitudinal ribs (43); grouting the gap between the pull rod embedded and fixed plate (31) and the pull rod connecting groove (33) at the two sides of the counter-pull screw rod (32) to form a grout and fixed filling body (44);
6) core area concrete pouring construction: firstly, arranging a formwork cross brace (45) above an installed fabricated cross beam (2), respectively arranging a stirrup clamping groove (27) and a cross brace clamping groove (47) on the formwork cross brace (45) and a cross beam stirrup (46) at the upper part of the fabricated cross beam (2), and arranging a clamping groove connecting bolt (48) between the stirrup clamping groove (27) and the cross brace clamping groove (47); a formwork supporting vertical plate (49) and a template position control bolt (50) are sequentially arranged on the side, facing the assembled upright post (1), of the formwork supporting cross brace (45), and a position control bolt connecting plate (51) at the other end of the template position control bolt (50) is connected with a template positioning groove (53) on the side face of the core area template (52); the position of a formwork supporting cross brace (45) is controlled through a clamping groove connecting bolt (48), the position of a core area formwork (52) is controlled through a formwork position control bolt (50), and then pouring construction of core area concrete (54) is conducted.
Step 1) the fabricated upright post (1) is made of reinforced concrete materials, and a post top anchor plate (55) and a post top connecting bolt (35) are preset at the top of the fabricated upright post (1); the column top connecting bolt (35) adopts a nut or a grouting sleeve, and the bottom end of the column top connecting bolt is welded with the column top anchor plate (55).
Step 2) the section strut (4) comprises strut vertical rods (56), strut transverse tubes (57) and strut inclined struts (58) which are rolled by steel pipes, the connected strut vertical rods (56), strut transverse tubes (57) and strut inclined struts (58) are connected by welding, and strut connecting cylinders (5) are arranged at the top ends of the strut vertical rods (56); the inner diameter of the connecting cylinder (5) of the support frame is the same as the outer diameter of the vertical rod (56) of the support frame. The strut vertical rods (56) are vertically arranged on two sides, the strut transverse tube (57) is vertically connected with the strut vertical rods (56) on the two sides, and the strut inclined strut (58) is obliquely connected with the strut vertical rods (56) on the two sides.
Step 3), the vertical control body (15) adopts a hydraulic jack; the beam falling limiting groove (17) is formed by rolling a steel plate, the cross section of the beam falling limiting groove is U-shaped, and a screw hole connected with the transverse position control bolt (59) is formed in a vertical plate of the beam falling limiting groove (17); the vertical control body (15) and the longitudinal control body (22) both adopt hydraulic jacks; the connecting bottom plate (18), the connecting pressing plate (19) and the position correcting baffle (21) are formed by rolling steel plates, two ends of the position correcting baffle (21) are respectively connected with the connecting bottom plate (18) and the connecting pressing plate (19) in a vertical welding mode, and a screw hole connected with the cross beam fastening bolt (20) is preset in the connecting pressing plate (19).
Step 4), the oppositely-supporting positioning bolt (28) comprises a screw rod and a nut, the fastening directions of the screw rods on the two sides of the nut are opposite, and the two ends of the oppositely-supporting positioning bolt are vertically welded and connected with the vertical plate (26); the stirrup clamping groove (27) comprises a clamping groove bottom plate (29) and a clamping groove pressing plate (30), and the clamping groove bottom plate (29) and the clamping groove pressing plate (30) are respectively and vertically welded with the vertical plate (26); the upper surface of the clamping groove bottom plate (29) is preset with a channel connected with the upright post stirrup (25), and the clamping groove pressing plate (30) adopts a rigid elastic sheet.
Step 5), adopting grouting sleeves for the first sleeve (38) and the second sleeve (39), and enabling the second sleeve (39) to be vertically welded on two sides of the first sleeve (38); the fastening directions of the opposite pull screws (32) on the two sides of the pull rod fastening bolt (36) are opposite, and the opposite pull screws are connected with the pull rod connecting groove (33) in a welding way; the grout solid filling body (44) adopts grouting material or self-compacting concrete.
Step 6), the stirrup clamping grooves (27) and the cross brace clamping grooves (47) are formed by rolling steel plates, the cross section of each steel plate is U-shaped, and the side walls of the steel plates are welded with the clamping groove connecting bolts (48); the clamping groove connecting bolt (48) comprises a screw rod and a nut, and the fastening directions of the screw rods on the two sides of the nut are opposite; the core area template (52) adopts a steel mould or an alloy template, the cross section of the core area template is L-shaped, and a template sealing belt (61) is arranged at the joint of the core area template and the assembled beam (2); the template positioning groove (53) is formed by rolling a steel plate and is welded with the core area template (52), and a channel connected with the position control bolt connecting plate (51) is arranged on the template positioning groove (53).
Fig. 2 is a schematic diagram of a construction structure of a core area of a beam column of the prefabricated frame structure of fig. 1, fig. 3 is a schematic diagram of a plane of an overall arrangement device of stirrups of the core area of fig. 1, fig. 4 is a schematic diagram of a vertical plane of the overall arrangement device of stirrups of the core area of fig. 3, fig. 5 is a schematic diagram of a connection structure of a reinforcing steel bar connector and a longitudinal beam of fig. 2, and fig. 6 is a schematic diagram of concrete pouring construction of the core area of fig. 1. Referring to fig. 2 to 6, in the construction method of the core area of the prefabricated assembled column-beam node, a column side support plate (14) is firmly connected with an assembled column (1) through a column side hoop (13), and the spatial position of an assembled beam (2) can be adjusted through a transverse position control bolt (59), a vertical position control body (15) and a longitudinal position control body (22); the distance between the vertical plates (26) is adjusted through the diagonal bracing positioning bolts (28), and the position of the upright post stirrup (25) can be limited through the stirrup clamping groove (27); a position-correcting baffle plate (21) and a counter-pull screw rod (32) are arranged between the assembled cross beams (2), and a pull rod fastening bolt (36) can be firmly connected with a column top anchor plate (55) in the assembled upright column (1) through a pull rod connecting groove (33) and a bracing connecting rod (34); the cross beam longitudinal ribs (43) are connected through a first sleeve (38) and a second sleeve (39) which are the same in height; the formwork supporting cross brace (45) and the beam stirrup (46) are respectively provided with a stirrup clamping groove (27) and a cross brace clamping groove (47), and the position of the core area formwork (52) is controlled through a formwork position control bolt (50).
The fabricated upright post (1) is made of reinforced concrete, the strength grade of concrete is C35, and the cross section dimension is 400 multiplied by 400 mm; a column top anchor plate (55) and a column top connecting bolt (35) are preset at the top of the assembly type column (1). The column top anchor plate (55) is formed by rolling a steel plate with the thickness of 10mm, has the diameter of 250mm, and is connected with the column top connecting bolt (35) in a welding mode.
The column top connecting bolt (35) adopts a nut with a screw hole diameter of 30mm, the height of the nut is 6cm, and the bottom end of the nut is connected with the column top anchor plate (55) in a welding mode.
The post top anchor plate (55) is formed by rolling a steel plate with the thickness of 2 mm.
The fabricated beam (2) is made of reinforced concrete material with the strength grade of C35, the cross section of the fabricated beam is rectangular, the width of the fabricated beam is 25cm, and the height of the fabricated beam is 50 cm.
The platform bottom plate (3) is formed by rolling a steel plate with the thickness of 10mm, and the plane size is 1500 multiplied by 1500 mm.
The section strut (4) comprises strut vertical rods (56), a strut transverse tube (57) and strut inclined struts (58) which are all formed by rolling steel pipes with the outer diameter of 60mm, the connected strut vertical rods (56), the strut transverse tube (57) and the strut inclined struts (58) are connected through welding, and strut connecting cylinders (5) are arranged at the top ends of the strut vertical rods (56).
The connecting cylinder (5) of the bracket is formed by rolling a steel plate with the thickness of 10mm, and the inner diameter of the connecting cylinder is the same as the outer diameter of the vertical rod (56) of the bracket.
The shifting roller (6) adopts a six-inch stainless steel roller.
The platform fastening bolt (7) is formed by rolling a screw rod with the diameter of 60 mm.
The platform bottom supporting plate (8) is formed by rolling a steel plate with the thickness of 10mm and the diameter of 100 mm.
The platform top plate (9) is formed by rolling a steel plate with the thickness of 3 mm.
The platform guardrail (10) adopts a temporary safety barrier to move an isolation guardrail net, and the height is 60 cm.
The lower floor slab (11) is made of reinforced concrete material with the strength grade of C35 and the thickness of 100 mm.
The platform fastening cable (12) adopts a steel wire rope with the diameter of 20 mm.
The column side hoop (13) is formed by rolling a steel plate with the thickness of 3 mm.
The column side supporting plate (14) is formed by rolling a steel plate with the thickness of 10mm and the width of 30 cm.
The vertical control body (15) adopts a hydraulic jack with the stroke of 20 cm.
The supporting vertical plate (16) is formed by rolling a steel plate with the thickness of 20mm, has the width of 20cm, and is vertically welded and connected with the column side supporting plate (14).
The beam falling limiting groove (17) is formed by rolling a steel plate with the thickness of 10mm, the cross section of the beam falling limiting groove is U-shaped, and a screw hole connected with the transverse position control bolt (59) is formed in a vertical plate of the beam falling limiting groove (17).
The transverse position control bolt (59) is formed by rolling a screw rod with the diameter of 30 mm.
The connecting bottom plate (18), the connecting pressing plate (19) and the position correcting baffle (21) are formed by rolling steel plates with the thickness of 10mm, two ends of the position correcting baffle (21) are respectively connected with the connecting bottom plate (18) and the connecting baffle in a vertical welding mode, and a screw hole connected with the cross beam fastening bolt (20) is preset in the connecting pressing plate (19).
The beam fastening bolt (20) is composed of a high-strength screw rod with the diameter of 30mm and a bolt.
The longitudinal aligning bodies (22) adopt hydraulic jacks.
The support frame bottom connecting cylinder (23) is rolled into a concave shape by adopting a steel plate with the thickness of 10mm and is welded and connected with the segment support frame (4).
The vertical column longitudinal bar (24) adopts a threaded ribbed steel bar with the diameter of 25 mm.
The column stirrup (25) adopts a twisted steel bar with the diameter of 8 mm.
The oppositely-supporting positioning bolt (28) comprises a screw rod and a nut, the diameter of the screw rod is 30mm, the fastening directions of the screw rods on the two sides of the nut are opposite, and the two ends of the nut are vertically welded and connected with the vertical plate (26).
The vertical plate (26) is formed by rolling a steel plate with the thickness of 10mm, and the width of the vertical plate is 5 cm.
The stirrup clamping groove (27) comprises a clamping groove bottom plate (29) and a clamping groove pressing plate (30), and the clamping groove bottom plate (29) and the clamping groove pressing plate (30) are respectively and vertically welded with the vertical plate (26); the clamping groove bottom plate (29) is formed by presetting a channel connected with the upright post stirrups (25) on the upper surface of the clamping groove bottom plate (29) with the thickness of 10 mm; the clamping groove pressing plate (30) is made of a 301 stainless steel elastic sheet.
The cross section of the cross-brace clamping groove (47) is in a U shape, and the side wall of the cross-brace clamping groove is welded with the clamping groove connecting bolt (48).
The clamping groove connecting bolt (48) comprises a screw rod with the diameter of 30mm and a nut, and the fastening directions of the screw rods on the two sides of the nut are opposite.
The pull rod embedded and fixed plate (31) is rolled by a steel plate with the thickness of 10mm, and the width of the pull rod embedded and fixed plate is 8 cm.
A screw rod with the diameter of 30mm is adopted for the pulling screw rod (32). The opposite pull screw rods (32) at the two sides of the pull rod fastening bolt (36) are opposite in fastening direction and are connected with the pull rod connecting groove (33) in a welding way.
The pull rod connecting groove (33) is formed by rolling a steel plate with the thickness of 10mm, and the groove depth is 1.5 cm.
The rib supporting connecting rod (34) is formed by rolling a screw rod with the diameter of 30 mm.
The steel bar connecting body (37) comprises a first sleeve (38) and a second sleeve (39), wherein grouting sleeves matched with the transverse beam longitudinal bars (43) are adopted, and the second sleeve (39) is vertically welded on two sides of the first sleeve (38).
The sleeve grouting hole (40) adopts a steel pipe with the diameter of 20 mm.
The grouting connector (41) adopts epoxy resin grouting material.
The sleeve reinforcing rib (42) is formed by rolling a steel plate with the thickness of 10mm and the width of 2 cm.
The transverse beam longitudinal bar (43) adopts a threaded ribbed steel bar with the diameter of 25 mm.
The slurry-solid filling body (44) adopts self-compacting concrete with the strength grade of C50.
The formwork supporting cross brace (45) is formed by rolling a steel plate with the thickness of 10mm, and the width of the steel plate is 10cm.
The beam stirrups (46) adopt twisted steel with the diameter of 8 mm.
The supporting die vertical plate (49) is formed by rolling a steel plate with the thickness of 10mm, and the width is 5 cm.
The template position control bolt (50) is composed of a high-strength screw rod with the diameter of 30mm and a bolt, and the fastening directions of the screw rods on the two sides of the bolt are opposite.
The position control bolt connecting plate (51) is a steel plate with the thickness of 10mm and the width of 40 mm.
The core area template (52) is an alloy template with the thickness of 4mm, the cross section of the core area template is L-shaped, and a template sealing belt (61) is arranged at the joint of the core area template and the assembly type cross beam (2).
The template sealing belt (61) is formed by cutting a rubber sheet with the thickness of 2 mm.
The template positioning groove (53) is formed by rolling a steel plate with the thickness of 2mm and is welded with the core area template (52), and a channel connected with the position control bolt connecting plate (51) is arranged in the template positioning groove (53).
The core area concrete (54) is self-compacting concrete with a strength grade of C50.
The transverse position control bolt (59) is formed by rolling a screw rod with the diameter of 30 mm.
The cross section of the beam end shearing falcon (60) is in an isosceles trapezoid shape, the height is 5cm, and the top width is 10cm.
The plate bottom connecting falcon (62) adopts a steel pipe with the outer diameter of 60 mm.
The upright column reinforcement cage (63) is formed by binding upright column longitudinal reinforcements (24) and upright column stirrups (25).
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. A construction method for a core area of a prefabricated column-beam joint is characterized by comprising the following steps:
1) construction preparation: preparing an assembly type upright post (1) and an assembly type cross beam (2); surveying and determining the plane position of the assembled upright post (1), and installing the assembled upright post (1); preparing materials and devices required by construction;
2) laying a construction platform: the multi-section supporting frames (4) are sequentially arranged on the platform bottom plate (3), the lower part of the platform bottom plate (3) is provided with a shifting roller (6), the platform fastening bolt (7) penetrates through the platform bottom plate (3), the bottom end of the platform fastening bolt (7) is provided with a platform bottom supporting plate (8), and the platform bottom supporting plate (8) is arranged on the lower floor slab (11); a platform top plate (9) is fixed on the top of the section strut (4) at the top, a platform guardrail (10) is arranged on the platform top plate (9), and a platform fastening cable (12) is arranged between the platform top plate (9) and a lower floor slab (11);
3) hoisting and positioning the assembled beam: sleeving a column side hoop (13) on the fabricated upright column (1), and connecting a column side supporting plate (14) with the fabricated upright column (1) through the column side hoop (13); the upper surface of a column side supporting plate (14) is provided with a vertical control body (15) and a supporting vertical plate (16), and the top end of the vertical control body (15) is provided with a beam falling limiting groove (17); connecting bottom plates (18) and connecting pressure plates (19) at two ends of a position correction baffle (21) are respectively arranged at the lower part and the upper part of the assembled cross beam (2), the connecting pressure plates (19) are firmly connected with the assembled cross beam (2), and a longitudinal position control body (22) is arranged between the position correction baffle (21) and a supporting vertical plate (16); the assembly type cross beam (2) is hung on the beam falling limiting groove (17) by adopting external hoisting equipment, and beam end shearing falcons (60) at two ends of the assembly type cross beam (2) are respectively placed at the top ends of the assembly type upright columns (1); firstly, the transverse position and the vertical elevation of the assembled cross beam (2) are adjusted through a transverse position control bolt (59) and a vertical position control body (15) on a beam falling limiting groove (17), and then the longitudinal position of the assembled cross beam (2) is adjusted through a longitudinal position control body (22);
4) the stirrup in the core area is arranged: the upright post reinforcement cage (63) is formed by binding upright post longitudinal reinforcements (24) and upright post stirrups (25), and the vertical degree and the spatial position of the extending section of the assembled upright post (1) relative to the upright post longitudinal reinforcements (24) are corrected; the method comprises the steps that the distance between stirrup clamping grooves (27) on vertical plates (26) is determined according to the vertical distance between upright stirrups (25), the distance between the two vertical plates (26) with opposite mirror images is adjusted through a diagonal bracing positioning bolt (28), the upright stirrups (25) are embedded into the stirrup clamping grooves (27), and the positions of the upright stirrups (25) are limited through a clamping groove bottom plate (29) and a clamping groove pressing plate (30); firstly, inserting a split screw (32) connected with a pull rod embedded plate (31) into a gap of an upright column stirrup (25), then inserting a vertical plate (26) and the upright column stirrup (25) into a gap of an assembled cross beam (2), inserting the pull rod embedded plate (31) and the split screw (32) into a pull rod connecting groove (33) of a rib supporting connecting rod (34), and firmly connecting an upright column longitudinal rib (24) with the upright column stirrup (25);
the assembled beam is connected: firstly, the bottom end of a rib supporting connecting rod (34) is connected with a column top connecting bolt (35) at the top of the assembly type upright column (1), a pull rod connecting groove (33) is arranged at the top end of the rib supporting connecting rod (34),
5) then, a fastening tension is applied to the counter-pulling screw rod (32) through the pull rod fastening bolt (36), and then the lower-layer pull rod fastening bolt (36) is firmly connected with the pull rod connecting groove (33); vertically welding second sleeves (39) on two sides of a first sleeve (38) of a steel bar connecting body (37), and respectively inserting a transverse beam longitudinal bar (43) of two vertically connected assembled transverse beams (2) into the first sleeve (38) and the second sleeve (39); grouting a grout connecting body (41) into the first sleeve (38) and the second sleeve (39) through sleeve grouting holes (40) in the first sleeve (38) and the second sleeve (39), and firmly connecting sleeve reinforcing ribs (42) with cross beam longitudinal ribs (43); grouting the gap between the pull rod embedded and fixed plate (31) and the pull rod connecting groove (33) at the two sides of the counter-pull screw rod (32) to form a grout and fixed filling body (44);
6) core area concrete pouring construction: firstly, arranging a formwork cross brace (45) above an installed fabricated cross beam (2), respectively arranging a stirrup clamping groove (27) and a cross brace clamping groove (47) on the formwork cross brace (45) and a cross beam stirrup (46) at the upper part of the fabricated cross beam (2), and arranging a clamping groove connecting bolt (48) between the stirrup clamping groove (27) and the cross brace clamping groove (47); a formwork supporting vertical plate (49) and a template position control bolt (50) are sequentially arranged on the side, facing the assembled upright post (1), of the formwork supporting cross brace (45), and a position control bolt connecting plate (51) at the other end of the template position control bolt (50) is connected with a template positioning groove (53) on the side face of the core area template (52); the position of a formwork supporting cross brace (45) is controlled through a clamping groove connecting bolt (48), the position of a core area formwork (52) is controlled through a formwork position control bolt (50), and then pouring construction of core area concrete (54) is conducted.
2. The prefabricated assembled column beam node core area construction method according to claim 1, wherein in the step 2), the section brackets (4) connected with each other from top to bottom are connected through bracket connecting cylinders (5), the platform bottom plate (3) and the section brackets (4) are connected through bracket bottom connecting cylinders (23), and plate bottom connecting tenons (62) on the lower surface of the platform top plate (9) are connected with the lower bracket connecting cylinders (5).
3. The method for constructing the core area of the prefabricated assembled column-beam joint according to claim 1, wherein column side plates (14) are arranged at both sides of the assembled column (1), one side of each column side plate (14) is arranged between the column side hoop (13) and the assembled column (1) and fastened, and the other side is perpendicular to the assembled column (1) and arranged at both sides of the assembled column (1).
4. The construction method of the core area of the prefabricated assembled column-beam joint as claimed in claim 1, wherein at least two vertical column longitudinal ribs (24) are arranged at intervals to wrap the sides of the assembled column (1), at least two vertical column stirrups (25) are arranged at intervals in parallel, and the vertical column longitudinal ribs (24) and the vertical column stirrups (25) are arranged in a staggered manner.
5. The construction method of the prefabricated assembly type column-beam joint core area according to claim 1, wherein a column top anchor plate (55) and a column top connecting bolt (35) are preset at the top of the assembly type column (1), and the bottom end of the column top connecting bolt (35) is connected with the column top anchor plate (55).
6. The method as claimed in claim 1, wherein the segment bracers (4) include vertical bracer poles (56), horizontal bracer pipes (57) and diagonal bracers (58), the vertical bracer poles (56) are vertically disposed on both sides, the horizontal bracer pipes (57) are vertically connected to the vertical bracer poles (56) on both sides, and the diagonal bracers (58) are obliquely connected to the vertical bracer poles (56) on both sides.
7. The prefabricated assembled column-beam joint core area construction method as claimed in claim 1, wherein the second sleeves (39) are perpendicular to both sides of the first sleeves (38), and the fastening directions of the counter-pulling screws (32) on both sides of the rod fastening bolts (36) are opposite.
8. The construction method of the core area of the prefabricated assembled column-beam joint according to claim 1, wherein the cross sections of the stirrup clamping grooves (27) and the cross brace clamping grooves (47) are U-shaped, and the side walls of the stirrup clamping grooves are connected with the clamping groove connecting bolts (48).
9. The method for constructing the core area of the prefabricated assembled column-beam joint as claimed in claim 1, wherein the platform fastening cables (12) respectively arranged at both sides of the section supporting frame (4) are in a shape of a Chinese character 'ba'.
10. A prefabricated assembled column beam node core area, which is obtained by construction according to the construction method of the prefabricated assembled column beam node core area of any one of claims 1 to 9.
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