CN118704601B - Full prefabricated low-rise assembled reinforced concrete frame and node structure - Google Patents
Full prefabricated low-rise assembled reinforced concrete frame and node structure Download PDFInfo
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- CN118704601B CN118704601B CN202311587228.0A CN202311587228A CN118704601B CN 118704601 B CN118704601 B CN 118704601B CN 202311587228 A CN202311587228 A CN 202311587228A CN 118704601 B CN118704601 B CN 118704601B
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- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 49
- 239000010959 steel Substances 0.000 claims abstract description 49
- 238000010276 construction Methods 0.000 claims abstract description 30
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 18
- 239000004568 cement Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 238000009415 formwork Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- 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
-
- 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
-
- 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
-
- 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
- E04C5/04—Mats
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Bridges Or Land Bridges (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
本发明公开了一种全预制低层装配式钢筋混凝土框架和节点结构，包括预制独立基础底盘部和上部的预制独立基础墩身部，预制独立基础底盘部的内部设置有预制独立基础钢筋，预制独立基础底盘部上插接有预埋柱连接筋，预制独立基础墩身部上插接有预埋梁连接筋，预制独立基础墩身部的两侧均设置有预制梁，预制独立基础墩身部顶部设置有预制柱；本发明通过对所有的结构构件进行优化设计，可以实现全部基础构件和上部主体结构构件的拼装，该结构体系的应用可以减少上部主体结构施工过程的临时支撑数量，缩减了模板支撑工序，而且省略了大量现行装配式建筑存在的现浇作业，从而有助于预制构件实现快速拼装成型。
The present invention discloses a fully prefabricated low-rise assembled reinforced concrete frame and node structure, comprising a prefabricated independent foundation chassis portion and an upper prefabricated independent foundation pier portion, wherein the interior of the prefabricated independent foundation chassis portion is provided with prefabricated independent foundation steel bars, the prefabricated independent foundation chassis portion is plugged with embedded column connecting bars, the prefabricated independent foundation pier portion is plugged with embedded beam connecting bars, both sides of the prefabricated independent foundation pier portion are provided with prefabricated beams, and the top of the prefabricated independent foundation pier portion is provided with prefabricated columns; the present invention can realize the assembly of all foundation components and upper main structure components by optimizing the design of all structural components, and the application of this structural system can reduce the number of temporary supports in the construction process of the upper main structure, shorten the formwork support process, and omit a large number of cast-in-place operations existing in current prefabricated buildings, thereby facilitating the rapid assembly and forming of prefabricated components.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a fully prefabricated low-layer assembly type reinforced concrete frame and a node structure.
Background
The existing cast-in-situ industrialized structural system is few, most engineering developers only use laminated plates and prefabricated wall (column) prefabricated stairways to meet the established green building standard requirements in the aspect of building assembled houses, the prefabrication rate of the structural main body is very low, more wet operations are still carried out on site, the labor, the cost and the construction period of most engineering are higher than those of a complete cast-in-situ structure, part of node structures are complex and cumbersome, and the cracking phenomenon often occurs due to improper node treatment. There is also a large space left in the research of the assembly type structure system suitable for construction capability and economy level, in particular to an industrial construction method with template removal, high prefabrication rate, economy and safety and low material loss rate for assembly type house construction.
Disclosure of Invention
The invention aims to provide a fully prefabricated low-rise assembled reinforced concrete frame and a node structure, which are used for solving the problems in the background technology.
The prefabricated independent foundation chassis part is provided with embedded column connecting ribs, the prefabricated independent foundation chassis part is inserted with embedded beam connecting ribs, the two sides of the prefabricated independent foundation pier body part are provided with prefabricated beams, the top of the prefabricated independent foundation pier body part is provided with prefabricated columns, the prefabricated independent foundation pier body part is provided with embedded slurry anchor sleeves, the embedded column connecting ribs penetrate through the embedded slurry anchor sleeves, the two embedded column connecting ribs are fixedly connected through sealing stirrups, and the prefabricated independent foundation chassis part is formed by assembling multiple layers of prefabricated independent chassis up and down.
Preferably, the inside of the independent chassis of multilayer prefabrication is provided with first construction reinforcing bar net and second construction reinforcing bar net respectively, and first construction reinforcing bar net and second construction reinforcing bar net are by the formation network structure that the construction reinforcing bar crossed, and prefabricated independent basis reinforcing bar net is by atress reinforcing bar crossing formation network structure.
Preferably, the multilayer prefabricated independent chassis is provided with a first reserved tie bar grouting hole and a second reserved tie bar grouting hole respectively, the interface of the upper and lower layers of the chassis is subjected to rough surface treatment, the multilayer prefabricated independent chassis is provided with a pre-buried hoop penetrating hole, and the pre-buried column connecting bars penetrate through the pre-buried hoop penetrating hole.
The utility model provides a node structure of full prefabricated low-rise assembled reinforced concrete frame, one side of precast beam is provided with the steel tongue-and-groove, and the precast column includes upper column and lower floor's post, and it has upper column to reserve the connecting bar to peg graft on the upper column, and it has lower column to reserve the connecting bar to peg graft on the lower floor's post.
Preferably, the bottom of the upper column is provided with an upper column supporting leg, the bottom of the lower column is provided with a lower column connecting interface key slot, and the upper column supporting leg and the lower column connecting interface key slot are correspondingly arranged.
Preferably, the steel rabbet comprises steel plates, the two steel plates are connected by adopting a bolt welding mode, the bottoms of the steel rabbet are flush with the bottoms of the precast beams, and member steel bars on the precast columns are connected by adopting sleeve grouting.
Preferably, precast slabs are arranged on the precast beams and the precast columns, the precast slabs in the middle are welded with the precast slabs on the two sides, reserved reinforcing steel bars on the precast slabs are extruded or welded through sleeves, and the connecting parts of the precast slabs are poured by adopting high-strength shrinkage-free cement-based grouting materials.
Preferably, a groove is formed at the plate end between the precast plate and the precast beam at the side, reserved steel bars on the precast plate are welded with reserved steel bars on the precast beam, and the connection part of the groove is poured by adopting cement-based grouting materials.
Preferably, a reserved slot is reserved between the precast slab and the precast beam in the middle through the slab ends on two sides of the beam, slab reinforcing steel bars are reserved at the reserved slot positions, the overlapped slab reinforcing steel bars are connected through welding, and the reserved slot connecting positions are poured by adopting cement-based grouting materials.
Preferably, a steel bar joint is reserved between the precast slab and the precast column at the end plate surface, a bearing steel plate is arranged at the bottom of the precast column and the corresponding precast slab, and a joint part of the steel bar joint is poured by adopting cement-based grouting materials.
Compared with the prior art, the invention has the beneficial effects that:
The invention provides a low-layer assembled reinforced concrete frame structure system, which can realize the assembly of all base components and upper main body structural components by optimally designing all structural components, and the application of the structure system can reduce the temporary support quantity in the construction process of the upper main body structure, reduce the template support procedure, and omit the cast-in-situ operation existing in a large number of existing assembled buildings, thereby being beneficial to the rapid assembly and molding of prefabricated components.
Drawings
FIG. 1 is a schematic view of the structure of the connection of the independent foundation and the base beam of the present invention.
FIG. 2 is a schematic diagram of the structure between the independent foundations of the present invention.
Fig. 3 is a schematic view of the structure between the prefabricated independent foundation chassis parts of the present invention.
Fig. 4 is a schematic structural view of the column-beam joint assembly of the present invention.
Fig. 5 is a schematic view of the structure of the steel tongue-and-groove joint of the present invention.
Fig. 6 is a schematic structural view of a column-beam interface layer node connection of the present invention.
FIG. 7 is a schematic diagram of the structure of a column-beam top-level node connection of the present invention.
Fig. 8 is a schematic structural view of the beam-slab connection of the present invention.
Fig. 9 is a schematic view showing the structure of the connection between prefabricated panels according to the present invention.
Fig. 10 is a schematic view of the structure of the connection between the column plates of the present invention.
In the figure, a prefabricated independent foundation chassis part 1, prefabricated independent foundation reinforcements 11, closed stirrups 12, a first construction reinforcing steel bar net 13, a pre-embedded through hoop hole 14, a first reserved drawstring grouting hole 15, a second reserved drawstring grouting hole 16, a second construction reinforcing steel bar net 17, a prefabricated beam 2, a pre-embedded beam connecting rib 21, a prefabricated independent foundation pier body part 3, pre-embedded column connecting ribs 31, pre-embedded slurry anchor sleeves 32, prefabricated columns 4, upper column supporting legs 41, upper column reserved connecting reinforcements 42, steel rabbets 51, lower column connecting interface keyways 61, lower column reserved connecting reinforcements 62, prefabricated plates 7, notch 71, steel plates 72, bolts 73, reserved slots 74 and supporting steel plates 8.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the invention provides a technical scheme that a fully prefabricated low-rise assembled reinforced concrete frame comprises a prefabricated independent foundation chassis part 1 and a prefabricated independent foundation pier body part 3 at the upper part, wherein prefabricated independent foundation reinforcements 11 are inserted into the prefabricated independent foundation chassis part 1, embedded column connecting ribs 31 are inserted into the prefabricated independent foundation chassis part 1, embedded beam connecting ribs 21 are inserted into the prefabricated independent foundation pier body part 3, prefabricated beams 2 are arranged on two sides of the prefabricated independent foundation pier body part 3, and prefabricated columns 4 are arranged at the top of the prefabricated independent foundation pier body part 3.
The prefabricated independent foundation pier body 3 is provided with an embedded slurry anchor sleeve 32, embedded column connecting ribs 31 penetrate through the embedded slurry anchor sleeve 32, two embedded column connecting ribs 31 are fixedly connected through a sealing stirrup 12, the prefabricated independent foundation pier body 1 is formed by assembling a plurality of layers of prefabricated independent foundations up and down, the inside of each layer of prefabricated independent foundations is respectively inserted with a first construction reinforcing steel mesh 13 and a second construction reinforcing steel mesh 17, the first construction reinforcing steel mesh 13 and the second construction reinforcing steel mesh 17 are crossed by construction reinforcing steel bars to form a net structure, the prefabricated independent foundation reinforcing steel bars 11 are crossed by stress reinforcing steel bars to form a net structure, a first reserved drawknot rib grouting hole 15 and a second reserved drawknot rib grouting hole 16 are respectively formed in each layer of prefabricated independent foundations, the multilayer prefabricated independent foundations are provided with embedded hooping holes 14, and the embedded column connecting ribs 31 penetrate through the embedded hooping holes 14.
The prefabricated independent foundation is divided into a prefabricated independent foundation chassis part 1 and a prefabricated independent foundation pier body part 3, the chassis and the pier body parts can be prefabricated respectively according to transportation and hoisting construction conditions, the main function of the pier body is to serve as a connecting node core area of a connecting upper column and a horizontal connecting beam, the cross section area is larger than that of the prefabricated column 4 on the upper part, the pier body can also adjust the length according to the depth of a bearing layer so as to meet the design elevation of the connecting beam top, and corresponding connecting steel bars are embedded in the pier body part.
After the independent foundation positioning construction is finished, when the precast beam 2 is connected with the independent foundation, brick blocks or cement building blocks are used as support pads, reinforcement grouting anchor lap joint or welded connection is carried out after the elevation of the connecting beam is adjusted, then a construction precast column is connected with the foundation, the construction is finished, the precast column 4 on the upper part is effectively supported, and grouting filling is carried out on a gap between the precast beam 2 and the independent foundation.
The gaps around the foundation are in slurry or grouting mode, which not only ensures the firm connection of the nodes, but also can prevent the invasion of groundwater or moisture, the steel bars are protected from being rusted, so that the durability of the concrete structure is improved. The grouting and seam building adopts a high-strength non-shrinkage cement-based grouting material, and the grouting material has the characteristics of good fluidity, high bonding strength, high early strength and the like, and is prepared by adopting a dead weight grouting method.
The steel tongue-and-groove 51 is installed to one side of precast beam 2, and precast column 4 includes upper column and lower floor's post, and upper column reservation connecting reinforcement 42 has been pegged graft on the upper column, and lower column reservation connecting reinforcement 62 has been pegged graft on the lower floor's post, and upper column landing leg 41 is fixedly connected with to the bottom of upper column, and lower column connection interface keyway 61 has been seted up to the bottom of lower column, corresponds the setting between upper column landing leg 41 and the lower column connection interface keyway 61.
The steel rabbet 51 comprises steel plates 72, the two steel plates 72 are welded and connected by adopting a bolt 73, the bottom of the steel rabbet 51 is flush with the bottom of the precast beam 2, the component steel bars on the precast column 4 are connected by adopting an extrusion sleeve, and the component steel bars on the precast column 4 are connected by adopting sleeve grouting.
In the node structure of the precast column 4 and the precast beam 2, the paired steel plates 72 are pre-buried at the bottom of the precast beam 2 as the steel rabbets 51, and the steel rabbets 51 bear construction loads by the two steel plates 72, so that the number of temporary support use in the beam construction process can be reduced.
The middle of two steel plates 72 is welded and connected by adopting a stud 73, the bottom of a steel rabbet 51 of a precast beam 2 is flush with the bottom of the precast beam 2, the precast beam 2 is hoisted to a pre-buried rigid pad of a precast column 4 during site construction, the elevation of the precast beam 2 is adjusted to a designed elevation, then a temporary support for preventing toppling is erected on the precast beam 2, the arrangement condition of a beam bottom reinforcing steel bar before anchoring is checked, if the arrangement condition is in conflict with an upper column supporting leg, the reinforcing steel bar is wound around the supporting leg in the site in a reinforcing steel bar bending mode, finally the upper precast column is installed, after the supporting leg is embedded into a key slot, the plane positioning and the verticality of an upper vertical component are adjusted, and the vertical reinforcing steel bar connection is carried out after the installation in place.
The member reinforcing steel bar connection mode is to adopt the reinforcing steel bar with the diameter not less than 20mm for the prefabricated column 4, and can adopt the extrusion sleeve connection or sleeve grouting connection, and the connection mode with the diameter less than 20mm can adopt welding or sleeve grouting connection.
Precast beam 2 and precast column 4 are all provided with precast slab 7, welded connection between precast slab 7 in the middle and precast slab 7 of both sides, and the reserved reinforcing bar on precast slab 7 passes through sleeve extrusion or welded connection, and precast slab 7's junction adopts high-strength non-shrink cement-based grouting material to pour.
The connection of the steel bars between the middle precast slab 7 and the precast slabs 7 at the two sides adopts 10d single-sided welding or 5d double-sided welding, the reserved steel bar length ensures that the on-site welding or sleeve extrusion connection can be met, and after the connection is finished, the connection part is poured by adopting high-strength non-shrinkage cement-based grouting materials.
The plate end between the precast slab 7 and the precast beam 2 at the side is reserved with a notch 71, the reserved steel bars on the precast slab 7 are welded and connected at the notch, a longitudinal through-length structural rib is arranged between the reserved U-shaped steel bars in the notch 71 on the precast beam 2, the longitudinal through-length structural rib is arranged above the plate steel bars, and the connection part of the notch 71 is poured by adopting cement-based grouting materials.
The precast slab 7 is connected with the precast beams 2 on the side edges by reserving a certain size of groove 71 at the slab end, a certain length of slab ribs at the position of the groove 71 are reserved, the welding mode is 10d single-sided welding or 5d double-sided welding, and after the welding is finished, the connecting part of the groove 71 is poured by adopting high-strength non-shrinkage cement-based grouting materials.
Reserved slots 74 are reserved between the precast slabs 7 and the precast beams 2 in the middle through reserved slab ends on two sides of the beams, slab face reinforcing steel bars are reserved at the positions of the reserved slots 74, the overlapped slab face reinforcing steel bars are connected through welding, and the connecting parts of the reserved slots 74 are poured by adopting cement-based grouting materials.
The precast slab 7 connected with the precast beam 2 in the middle is formed by reserving grooves 74 at slab ends at two sides of the beam, reserving slab surface reinforcing steel bars at the positions of the reserved grooves 74, welding or sleeve extrusion connection is carried out on the overlapped slab surface reinforcing steel bars after the precast slabs at two sides above the beam are hoisted in place, and pouring is carried out on the grooved connection parts by adopting high-strength non-shrinkage cement-based grouting materials after connection is completed.
Reinforcing steel bar joints are reserved between the precast slabs 7 and the precast columns 4 on the end plate surfaces, supporting steel plates 8 are arranged at the bottoms of the precast columns 4 and the corresponding precast slabs 7, and cement-based grouting materials are adopted for pouring at joint positions of the reinforcing steel bar joints.
The precast slab 7 is connected with the vertical component between the precast columns 4, a reinforcing steel bar joint with a certain length is reserved on the surface of the end part, meanwhile, a bearing steel plate 8 is pre-buried at the bottom of the precast slab 7 corresponding to the precast columns 4, and after connection is completed, the joint connection part is poured by adopting high-strength non-shrinkage cement-based grouting materials.
The invention provides a low-layer assembled reinforced concrete frame structure system, which can realize the assembly of all base components and upper main body structural components by optimally designing all structural components, and the application of the structure system can reduce the temporary support quantity in the construction process of the upper main body structure, reduce the template support procedure, and omit the cast-in-situ operation existing in a large number of existing assembled buildings, thereby being beneficial to the rapid assembly and molding of prefabricated components.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The full prefabricated low-layer assembled reinforced concrete frame comprises a prefabricated independent foundation chassis part (1) and a prefabricated independent foundation pier body part (3) on the upper part, and is characterized in that the prefabricated independent foundation chassis part (1) is internally provided with prefabricated independent foundation reinforcements (11), the prefabricated independent foundation chassis part (1) is inserted with embedded column connecting reinforcements (31), the prefabricated independent foundation pier body part (3) is inserted with embedded beam connecting reinforcements (21), the two sides of the prefabricated independent foundation pier body part (3) are respectively provided with a prefabricated beam (2), the top of the prefabricated independent foundation pier body part (3) is provided with a prefabricated column (4), the prefabricated independent foundation pier body part (3) is provided with an embedded slurry anchor sleeve (32), the embedded column connecting reinforcements (31) penetrate through the embedded slurry anchor sleeve (32), the two embedded column connecting reinforcements (31) are fixedly connected through sealing hoops (12), one side of the prefabricated independent foundation chassis part (1) is provided with a steel rabbet (51) formed by assembling the upper and lower prefabricated independent chassis layers, one side of the prefabricated beam (2) is provided with a prefabricated pier body (4), the prefabricated pier body (4) comprises an upper layer and a lower layer of a prefabricated support leg (62), the upper layer is provided with a reserved column interface (41) and the lower layer is provided with a reserved column connecting reinforcement (41), the upper column supporting leg (41) and the lower column are correspondingly arranged between the upper column and the lower column are connected with the key groove (61), the steel tongue-and-groove (51) comprises steel plates (72), two steel plates (72) are connected by welding, a groove (71) is formed in the plate end between the precast plate (7) and the precast beam (2), sleeve grouting is adopted for connecting member steel bars on the precast column (4), precast plates (7) are arranged on the precast beam (2) and the precast column (4), precast bars (7) in the middle are connected with precast plates (7) on two sides by welding, reserved steel bars on the precast plates (7) are extruded or welded through sleeves, a connecting part of the precast plates (7) is poured by adopting high-strength non-shrinkage cement-based grouting material, a groove (71) is formed in the plate end between the precast plates (7) and the precast beams (2) on the side, a cement-based grouting material is adopted for pouring the connecting part of the groove (71), a reserved steel bar on the precast plate (7) and the precast beam (2) are connected by welding, a reserved plate surface (74) is formed in the lap joint position between the precast plate (74) and the reserved plate surface (74) by adopting the reserved plate surface of the reserved steel bars, the steel bar joint is reserved between the precast slab (7) and the precast column (4) at the end plate surface, a bearing steel plate (8) is arranged at the bottom of the precast column (4) and the corresponding precast slab (7), and a joint part of the steel bar joint is poured by adopting cement-based grouting materials.
2. The fully prefabricated low-rise assembled reinforced concrete frame of claim 1, wherein the inside of the multi-layer prefabricated independent chassis is respectively provided with a first construction reinforcing steel bar net (13) and a second construction reinforcing steel bar net (17), the interface of the upper and lower-rise chassis is subjected to rough surface treatment, the first construction reinforcing steel bar net (13) and the second construction reinforcing steel bar net (17) are crossed by construction reinforcing steel bars to form a net structure, and the prefabricated independent foundation reinforcing steel bars (11) are crossed by stress reinforcing steel bars to form a net structure.
3. The fully prefabricated low-rise assembled reinforced concrete frame of claim 1, wherein the multi-layer prefabricated independent chassis is provided with a first reserved tie bar grouting hole (15) and a second reserved tie bar grouting hole (16) respectively, the multi-layer prefabricated independent chassis is provided with a pre-buried hoop penetrating hole (14), and the pre-buried column connecting bars (31) penetrate through the pre-buried hoop penetrating hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311587228.0A CN118704601B (en) | 2023-11-24 | 2023-11-24 | Full prefabricated low-rise assembled reinforced concrete frame and node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108547311A (en) * | 2018-04-28 | 2018-09-18 | 四川省文物管理委员会（四川省文物考古研究院） | Isolated footing under a kind of prefabricated assembled profile steel concrete column |
| CN217027668U (en) * | 2022-03-14 | 2022-07-22 | 重庆市建筑科学研究院有限公司 | Assembly type plate free of cast-in-place laminated layer and connecting node structure |
| CN219710374U (en) * | 2023-05-04 | 2023-09-19 | 重庆市建筑科学研究院有限公司 | Full precast concrete pile foundation in assembled building |
| CN219992750U (en) * | 2023-03-22 | 2023-11-10 | 重庆市建筑科学研究院有限公司 | Prefabricated post of assembled, shear force wall and beam joint connection structure |
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| JP3527718B2 (en) * | 2001-07-02 | 2004-05-17 | 黒沢建設株式会社 | Prestressed concrete structure |
| CN107299641A (en) * | 2017-06-02 | 2017-10-27 | 中国建筑股份有限公司 | A kind of assembled heel join node and its construction method |
| CN108951870B (en) * | 2018-07-26 | 2020-04-17 | 陕西建筑产业投资集团有限公司 | Construction method of low-rise fully-assembled concrete shear wall structure system |
| CN113123214A (en) * | 2020-01-10 | 2021-07-16 | 中国国家铁路集团有限公司 | Large-beam and high-upright-column prefabricated assembled frame pier and construction method |
| CN215166455U (en) * | 2021-01-13 | 2021-12-14 | 山东海龙建筑科技有限公司 | Low, multi-layer fully prefabricated assembled concrete structure |
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| CN108547311A (en) * | 2018-04-28 | 2018-09-18 | 四川省文物管理委员会（四川省文物考古研究院） | Isolated footing under a kind of prefabricated assembled profile steel concrete column |
| CN217027668U (en) * | 2022-03-14 | 2022-07-22 | 重庆市建筑科学研究院有限公司 | Assembly type plate free of cast-in-place laminated layer and connecting node structure |
| CN219992750U (en) * | 2023-03-22 | 2023-11-10 | 重庆市建筑科学研究院有限公司 | Prefabricated post of assembled, shear force wall and beam joint connection structure |
| CN219710374U (en) * | 2023-05-04 | 2023-09-19 | 重庆市建筑科学研究院有限公司 | Full precast concrete pile foundation in assembled building |
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| CN118704601A (en) | 2024-09-27 |
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