CN114482276B - Modularized unit frame column-column connection node and house building system thereof - Google Patents
Modularized unit frame column-column connection node and house building system thereof Download PDFInfo
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- CN114482276B CN114482276B CN202210236563.5A CN202210236563A CN114482276B CN 114482276 B CN114482276 B CN 114482276B CN 202210236563 A CN202210236563 A CN 202210236563A CN 114482276 B CN114482276 B CN 114482276B
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2484—Details of floor panels or slabs
Abstract
The invention relates to a modularized unit frame column-column connecting node and a house building system thereof, comprising two frame side columns, a connecting steel plate frame for horizontally connecting the frame side columns and an embedded part for longitudinally connecting the frame side columns; the connecting steel plate frame comprises a long steel plate strip, short steel plate strips welded at the two end parts of the long steel plate strip, and a plurality of steel plate strips longitudinally welded on the long steel plate strip and the short steel plate strips, wherein the steel plate strips are provided with through holes which correspond to each other and are convenient for penetrating steel bars; the end face of the frame side column is provided with a notch which is shaped like a Chinese character 'ao', and one side opposite to the frame side column is provided with a through groove which is convenient for a steel plate sheet to pass through; a plurality of grouting holes are formed in the frame side columns; the method solves the problems that the existing assembly type building column connection adopts the modes of mechanical sleeve connection, bolt connection, welding and the like, the connection construction is complex, the manual operation amount is large, the difficulty is large, and the construction efficiency is low.
Description
Technical Field
The invention belongs to the technical field of modular assembly type buildings, and relates to a modular unit frame column-column connection node and a house building system thereof.
Background
The assembled building is one of the focuses of modern building industry development, and because most of building components can be prefabricated and maintained in factories, such as prefabricated floors, beams, columns, walls and the like, the components are only required to be transported to the site for assembly during construction, and the assembled building has the characteristics of high construction speed, high construction efficiency, short construction period, high industrialization degree and the like, and also has the advantages of energy conservation, environmental protection and reduction of the influence of on-site operation on the surrounding environment. The building components are segmented in the assembled building, when local damage occurs, maintenance can be performed by only disassembling and replacing the same components, and the durability and the service life of the building are improved. The assembled building is a novel construction mode which accords with the industrialization of modern buildings, the assembled modularized frame building is a prefabricated whole box frame in a factory, comprises components such as a floor slab, a column, a beam, a wall body and the like, comprises integration of decoration, water heating ventilation and the like, carries the whole modularized box frame structure to a construction site, and is overlapped and assembled according to a designated position. The fabricated modular frame building differs from the traditional component-fabricated building in that: while early assembly forms a unitary structure by only assembling components on site, modular tank frames are fabricated by assembling modular tanks on site with higher prefabrication, assembly and construction efficiency.
The traditional building has the problems of large field wet workload, need of templates, high manufacturing cost, easiness in environmental influence in the construction process, low construction efficiency and the like, and the component-type assembled building has the problems of easiness in occurrence of construction quality problems, local or poor integrity and the like due to the large number of connecting nodes between components. For example, the connection between the columns adopts the modes of mechanical sleeve connection, bolt connection, welding and the like at present, but the mechanical sleeve connection is not suitable for the steel bars with smaller diameters, the bolt connection construction is complex, the manual operation amount is large, the difficulty is large, and the construction efficiency is lower. Particularly in high-rise and super-high-rise buildings, stability and safety problems easily occur when the structure is subjected to horizontal forces such as earthquake or wind load. The number of nodes is greatly reduced by adopting the prefabricated modularized frame structure, the integrity between the components is well ensured, but the connection between the modules in the transverse and longitudinal directions is the key of the structural system. Therefore, aiming at the problems in the prior art, a modularized unit frame column-column connection node which is safe, reliable, simple in manufacturing process and capable of meeting design requirements in mechanical properties and a house building system thereof are needed to be provided.
Disclosure of Invention
In view of the above, the invention provides a modularized unit frame column-column connection node and a house building system thereof, which aim to solve the problems that the connection construction is complex, the manual operation amount is large, the construction efficiency is low, and the existing assembly type building column connection adopts the modes of mechanical sleeve connection, bolt connection, welding and the like.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a modularized unit frame column-column connection node comprises two frame side columns, a connection steel plate frame for horizontally connecting the frame side columns and an embedded part for longitudinally connecting the frame side columns; the connecting steel plate frame comprises a long steel plate strip, short steel plate strips welded at the two end parts of the long steel plate strip, and a plurality of steel plate strips longitudinally welded on the long steel plate strip and the short steel plate strips, wherein the steel plate strips are provided with through holes which correspond to each other and are convenient for penetrating steel bars; the end face of the frame side column is provided with a notch which is shaped like a Chinese character 'ao', and one side opposite to the frame side column is provided with a through groove which is convenient for a steel plate sheet to pass through; a plurality of grouting holes are formed in the frame side columns.
The beneficial effect of this basic scheme lies in: the connecting steel plate frame is used for horizontally connecting two frame side columns, a long steel plate strip welded with a steel plate sheet penetrates from one frame side column, the corresponding steel plate sheet penetrates into a through groove of the other frame side column after penetrating out of a through groove of the frame side column, and the steel bar penetrates through the corresponding steel plate sheet to realize the horizontal connection of the two frame side columns. The embedded part is used for longitudinally connecting the two frame side columns, and grouting holes in the frame side columns are convenient for pouring concrete in the frame side columns, so that the concrete flows mutually and is evenly poured.
Further, wing plates are arranged at two sides of the notch end of the frame side column, through grooves are formed in the wing plates and are waist-shaped holes matched with the steel plates, and a lacing plate is connected between the wing plates of the same frame side column; a baffle serving as an embedded part is connected between the wing plate and the inner wall of the frame side column, one end of the baffle extends out of the frame side column, the other end of the baffle is sunken into the frame side column, and grouting holes are uniformly formed in the baffle. The beneficial effects are that: waist hole and steel sheet looks adaptation can improve the connection stability who connects steel grillage and frame side post, and the batten board plays the effect of connecting frame side post pterygoid lamina, and the slip casting hole plays the effect of being convenient for the interior concrete circulation of frame side post, and the baffle plays the effect of two frame side posts of longitudinal connection.
Further, one side of the frame side column notch is a supporting plate, and the through groove is formed in the supporting plate and is a rectangular frame which is convenient for a plurality of groups of steel plates to penetrate out simultaneously; a baffle is connected between the support plate and the inner wall of the frame side column, one end of the support plate and one end of the baffle serving as embedded parts extend out of the frame side column, the other end of the support plate and one end of the baffle are sunken into the frame side column, and grouting holes are uniformly formed in the support plate and the baffle. The beneficial effects are that: a plurality of groups of steel sheets penetrate out of the rectangular frame and are connected with a corresponding group of frame side columns, connection stability of the connecting steel plate frame and the frame side columns is improved, grouting holes play a role in facilitating concrete circulation in the frame side columns, and the supporting plate and the baffle play a role in longitudinally connecting the two frame side columns.
Further, the embedded part comprises a connecting steel plate, a clamping block welded at the end part of the connecting steel plate and a shearing resistant part penetrating through the middle part of the connecting steel plate. The beneficial effects are that: the clamping blocks welded on the embedded part are correspondingly clamped in the two upper and lower corresponding frame side columns to realize the longitudinal connection of the two frame side columns, and the shearing resistant part plays a role in enhancing the shearing resistance of the upper and lower frame side columns.
Further, a partition plate with a through hole is welded in the frame side column corresponding to the short steel plate strip. The beneficial effects are that: the baffle plays a role in supporting and connecting the steel plate frame.
Further, the shearing resistant member is a channel steel, a square steel pipe or a section steel which are uniformly welded with the bolts. The beneficial effects are that: the peg plays a role in enhancing the shearing resistance of channel steel, square steel pipes or section steel.
The utility model provides a house building system based on modularization unit frame post-post connected node, includes core section of thick bamboo and fixed connection at core section of thick bamboo modularization unit frame all around, and modularization unit frame includes above-mentioned frame side post, prefabricated floor and connects long roof beam and the short roof beam between the frame side post, realizes the horizontal connection of frame side post through connecting the steel grillage, realizes the longitudinal connection of frame side post through the built-in fitting, and the junction of adjacent prefabricated floor is cast-in-place area.
Further, the embedded steel plates are embedded around the core tube, short I-shaped steel plates are welded on the embedded steel plates, long I-shaped steel plates are welded on frame side columns on one side, connected with the embedded steel plates, of the modularized unit frames, and the long I-shaped steel plates are fixedly connected with the corresponding short I-shaped steel plates through bolt fasteners. The beneficial effects are that: the design of pre-buried steel sheet and short I steel plays the effect of being convenient for constructor assembly.
Further, a square steel pipe or I-steel welded and fixed with the long beam or the short beam is arranged below the cast-in-situ belt. The beneficial effects are that: the square steel pipe or the I-steel is used for supporting the cast-in-situ belt, so that the casting stability of the cast-in-situ belt is improved.
The invention has the beneficial effects that:
1. according to the modularized unit frame column-column connecting joint disclosed by the invention, the hollow two frame side columns are horizontally connected through the connecting steel plate frame, the long steel plate strip welded with the steel plate sheet penetrates from one frame side column, the corresponding steel plate sheet penetrates into a waist-shaped hole or a rectangular frame of the other frame side column after penetrating out from the through groove of the frame side column, and the horizontal connection of the two frame side columns is realized through the steel bar penetrating through the corresponding steel plate sheet. The embedded part is used for longitudinally connecting two frame side columns, the mode that one end of the baffle extends out of one end of the frame side column and the other end of the baffle is sunken in the frame side column can enable the longitudinal connection of the frame side column to be more convenient and quicker, rapid assembly of the frame side column is facilitated, assembly procedures are simplified, and construction efficiency is improved.
2. According to the modularized unit frame column-column connecting joint disclosed by the invention, the clamping blocks welded on the embedded part are correspondingly clamped in the two upper and lower corresponding frame side columns to realize the longitudinal connection of the two frame side columns, and the shearing resistant parts of the channel steel, square steel pipes or section steel play a role in enhancing the shearing resistance of the upper and lower frame side columns. And the frame side columns after the concrete pouring molding realize perfect bonding of steel and concrete, so that the strength and rigidity of the joints are improved while the frame side columns are assembled, and the industrial production efficiency of the building is improved.
3. According to the house building system based on the modularized unit frame column-column connection node, disclosed by the invention, through the cooperation of the embedded steel plates and the short I-shaped beams, the rapid assembly of the modularized unit frame house and the core tube can be realized, the modular unit frame house and the core tube can be rapidly hoisted on site, the construction is conveniently carried out, the construction difficulty and the labor cost are greatly reduced, the construction efficiency is improved, and the good mechanical property of a structural member can be well ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in the following preferred detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic view of a column-column horizontal connection structure of a modular unit frame according to embodiment 1 of the present invention;
fig. 2 is a column-column horizontal connection explosion diagram of a modular unit frame according to embodiment 1 of the present invention;
fig. 3 is a schematic view of a column-column horizontal connection structure of a modular unit frame according to embodiment 2 of the present invention;
fig. 4 is a column-column horizontal connection explosion diagram of a modular unit frame according to embodiment 2 of the present invention;
fig. 5 is a schematic diagram of a modular unit frame column-column connection member building architecture of example 1 of the present invention;
fig. 6 is a schematic diagram of a modular unit frame column-column connection member building architecture of example 2 of the present invention;
FIG. 7 is a schematic side column structure of a modular unit frame according to embodiment 3 of the present invention;
fig. 8 is a schematic diagram of a channel steel embedded part structure for longitudinal connection of modular unit frame columns according to embodiment 3 of the present invention;
fig. 9 is a schematic diagram II of a channel steel embedded part for longitudinal connection of modular unit frame columns according to embodiment 3 of the present invention;
fig. 10 is a schematic diagram of a square steel tube embedded part for column-column longitudinal connection of a modular unit frame according to embodiment 4 of the present invention;
fig. 11 is a schematic diagram II of a square steel tube embedded part for longitudinal connection of a modular unit frame column-column according to embodiment 4 of the present invention;
fig. 12 is a schematic diagram of a structural view of a section steel embedded part for column-column longitudinal connection of a modular unit frame according to embodiment 5 of the present invention;
fig. 13 is a schematic diagram II of a section steel embedded part for column-column longitudinal connection of a modular unit frame according to embodiment 5 of the present invention;
fig. 14 is a schematic diagram of a modular unit frame column-column connection member building architecture of example 1 of the present invention;
FIG. 15 is an enlarged view of FIG. 14A in accordance with the present invention;
fig. 16 is a schematic diagram of a modular unit frame column-column connection member building architecture of example 1 of the present invention;
FIG. 17 is an enlarged view of FIG. 16B in accordance with the present invention;
fig. 18 is a schematic diagram of a modular unit frame column-column connection member building architecture of example 1 of the present invention;
fig. 19 is an enlarged view of fig. 18 at C in accordance with the present invention.
Reference numerals: the steel plate comprises a frame side column 1, a waist-shaped hole 11, a grouting hole 12, a lacing plate 13, a rectangular frame 14, a supporting plate 15, a connecting steel plate frame 2, a long steel plate 21, a short steel plate 22, a partition plate 23, a through hole 24, steel bars 25, a steel plate 26, an embedded part 3, channel steel 31, square steel pipes 32, profile steel 33, clamping blocks 34, connecting steel plates 35, precast floor slabs 41, cast-in-situ belts 42, short I-steel 43, long I-steel 44 and a core tube 5.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the illustrations provided in the following embodiments merely illustrate the basic idea of the present invention by way of illustration, and the following embodiments and features in the embodiments may be combined with each other without conflict.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to limit the invention; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if there are terms such as "upper", "lower", "left", "right", "front", "rear", etc., that indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but not for indicating or suggesting that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and should not be construed as limiting the present invention, and that the specific meaning of the above terms may be understood by those of ordinary skill in the art according to the specific circumstances.
In modern modular building, the building is modularized, each module is prefabricated in a factory and then hoisted on site, the connection between the modules is often the key for guaranteeing the safety of the whole structure, and the connection between the columns is more the key in the building. Therefore, how to connect modules quickly and firmly is a technical problem to be solved by the technicians in the field, however, at present, no good solution exists, and most of the connection between the columns is realized through a large number of field welding, however, the field welding has various defects, and the construction site requires a large amount of manpower, so that the construction manpower cost is high, the efficiency is low, the industry development enthusiasm of the modularized building is greatly reduced, and the popularization and the application of the modularized building are not facilitated. In the invention, the key point is to put forward a new connection scheme for horizontal connection and longitudinal connection between columns, so that the columns can be quickly hoisted on site, the construction is convenient, the construction difficulty and labor cost are greatly reduced, the construction efficiency is improved, and the good mechanical property of the structural member can be well ensured.
Example 1
The modularized unit frame column-column connecting node shown in fig. 1 and 2 comprises two frame side columns 1, a connecting steel plate frame 2 for horizontally connecting the frame side columns 1 and an embedded part 3 for longitudinally connecting the frame side columns 1; the connecting steel plate frame 2 is used for horizontally connecting the two frame side columns 1, and the embedded part 3 is used for longitudinally connecting the two frame side columns 1.
The connecting steel plate frame 2 comprises a long steel plate strip 21, short steel plate strips 22 welded at the two end parts of the long steel plate strip 21 and a plurality of steel plate strips 26 uniformly and longitudinally welded on the long steel plate strip 21 and the short steel plate strips 22, wherein the steel plate strips 26 are provided with through holes which correspond to each other and are convenient for threading steel bars 25; the end face of the frame side column 1 is provided with a notch and is shaped like a Chinese character 'kou', two sides of the notch end of the frame side column 1 are wing plates, waist-shaped holes 11 formed in the wing plates are matched with the steel plate pieces 26, and a lacing plate 13 is connected between the wing plates of the same frame side column 1; a baffle is connected between the wing plate and the inner wall of the frame side column 1, and grouting holes 12 are uniformly formed in the baffle. The waist-shaped holes 11 and the steel plate pieces 26 are matched to improve the connection stability of the connecting steel plate frame 2 and the frame side column 1, the batten plates 13 play a role in connecting wing plates of the frame side column 1, and the grouting holes 12 play a role in facilitating concrete circulation in the frame side column 1. One end of the baffle extends out of the frame side column 1, and the other end of the baffle is sunken into the frame side column 1. The baffle plate plays a role of longitudinally connecting the two frame side posts 1.
The building construction system based on the modular unit frame column-column connection node shown in fig. 5 comprises a core tube 5 and a modular unit frame fixedly connected around the core tube 5, wherein the modular unit frame comprises the frame side columns 1, prefabricated floor slabs 41 and long beams and short beams connected between the frame side columns 1, the horizontal connection of the frame side columns 1 is realized through a connection steel plate frame 2, the longitudinal connection of the frame side columns 1 is realized through an embedded part 3, and the connection part of the adjacent prefabricated floor slabs 41 is a cast-in-place belt 42. The periphery of the core tube 5 is embedded with an embedded steel plate, short I-shaped steel 43 is welded on the embedded steel plate, long I-shaped steel 44 is welded on the frame side column 1 on one side of the modularized unit frame connected with the embedded steel plate, and the long I-shaped steel 44 is fixedly connected with the corresponding short I-shaped steel 43 through a bolt fastener. The design of the pre-buried steel plate and the short I-shaped steel 43 has the effect of being convenient for constructors to assemble. Square steel pipes 32 or I-steel welded and fixed with the long beams or the short beams are arranged below the cast-in-situ belt 42. The square steel tube 32 or the I-steel is used for supporting the cast-in-situ belt 42, so that the casting stability of the cast-in-situ belt is improved.
When the modularized unit frame column-column horizontal combination is carried out, firstly, a long steel plate strip 21 welded with a steel plate 26 is penetrated from one frame side column 1, the corresponding steel plate 26 penetrates into a waist-shaped hole 11 of the other frame side column 1 after penetrating out of a waist-shaped hole 11 of the frame side column 1, then a short steel plate strip 22 welded with the steel plate 26 is welded at the end part of the long steel plate strip 21, then a partition plate 23 with a penetrating hole 24 is welded in the frame side column 1 where the short steel plate is positioned, the steel plate strips formed by the long steel plate strip 21 and the short steel plate strip 22 are supported and fixed, and then a steel bar 25 penetrates through the penetrating hole 24 on the partition plate 23 and a through hole on the corresponding steel plate 26 to realize horizontal connection of the two frame side columns 1. And finally, pouring concrete in the frame side columns 1 to realize the horizontal assembly of the modular unit frame columns.
When the modular unit frame column-column horizontal combination is needed to be longitudinally combined, one end of a baffle serving as an embedded part 3 extends out of the frame side column 1, and the other end of the baffle is sunken into the frame side column 1, so that the baffle can be directly used for longitudinal combination assembly of the modular unit frame column-column.
When the house building system based on the modular unit frame column-column connection node is assembled, the long beam and the short beam are overlapped according to requirements after the modular unit frame column-column is combined, the prefabricated floor slabs 41 are overlapped on the corresponding long beam and short beam, and the connection positions of the adjacent prefabricated floor slabs 41 are cast in situ. After the modular unit frame house is prepared, the long I-shaped steel 44 welded on the side columns is fixedly connected with the short I-shaped steel 43 on the corresponding core tube 5 through bolt fasteners, and the assembly of the house building system based on the modular unit frame column-column connection nodes is completed.
Example 2
The modular unit frame column-column connection node shown in fig. 3 and 4 is different from embodiment 1 in that the connection steel plate frame 2 includes a long steel plate strip 21, a short steel plate strip 22 welded at both end portions of the long steel plate strip 21, and 12 steel plate strips 26 uniformly welded longitudinally on the long steel plate strip 21 and the short steel plate strip 22, and through holes corresponding to and facilitating the penetration of the steel bars 25 are formed in the steel plate strips 26; the support plate 15 is arranged at one side of the notch of the frame side column 1, and the rectangular frame 14 on the support plate 15 is convenient for 4 groups of steel plates 26 to penetrate out simultaneously; baffle plates are connected between the supporting plates 15 and the inner walls of the frame side columns 1, and grouting holes 12 are uniformly formed in the supporting plates 15 and the baffle plates. One end of the supporting plate 15 and one end of the baffle extend out of the frame side column 1, the other end of the supporting plate is sunken in the frame side column 1, and the supporting plate 15 and the baffle play a role of longitudinally connecting the two frame side columns 1. The 4 steel plates 26 penetrate out of the rectangular frame 14 to be connected with a corresponding group of frame side columns 1, so that the connection stability of the connecting steel plate frame 2 and the frame side columns 1 is improved, and the grouting holes 12 play a role in facilitating concrete circulation in the frame side columns 1.
In the building construction system based on the connection node of the modular unit frame column and the column shown in fig. 6, when the modular unit frame column and the column are combined horizontally and then are required to be combined longitudinally, one end of the supporting plate 15 and the baffle serving as the embedded part 3 extends out of the frame side column 1, and the other end of the supporting plate is recessed into the frame side column 1, so that the building construction system can be directly used for assembling the longitudinal combination of the modular unit frame column and the column.
Example 3
The modular unit frame column-column connection node shown in fig. 7, 8 and 9 comprises two frame side column connection steel plate frames 2, wherein each frame side column connection steel plate frame 2 comprises a long steel plate strip 21, short steel plate strips 22 welded at two end parts of the long steel plate strip 21, and a plurality of steel plate strips 26 uniformly and longitudinally welded on the long steel plate strip 21 and the short steel plate strips 22, and through holes which correspond to each other and are convenient for penetrating steel bars 25 are formed in the steel plate strips 26; the end face of the frame side column 1 is provided with a notch and is shaped like a Chinese character 'kou', two sides of the notch end of the frame side column 1 are wing plates, waist-shaped holes 11 formed in the wing plates are matched with the steel plate pieces 26, and a lacing plate 13 is connected between the wing plates of the same frame side column 1; a baffle is connected between the wing plate and the inner wall of the frame side column 1, and grouting holes 12 are uniformly formed in the baffle. The waist-shaped holes 11 and the steel plate pieces 26 are matched to improve the connection stability of the connecting steel plate frame 2 and the frame side column 1, the batten plates 13 play a role in connecting wing plates of the frame side column 1, and the grouting holes 12 play a role in facilitating concrete circulation in the frame side column 1. Both ends of the baffle plate do not extend out of the frame side column 1.
The embedded part 3 comprises a connecting steel plate 35, a clamping block 34 welded at the end part of the connecting steel plate 35 and a shearing resistant part penetrating through the middle part of the connecting steel plate 35, wherein the shearing resistant part is a channel steel 31 uniformly welded with studs.
When the modular unit frame columns are combined horizontally and then are required to be combined longitudinally, connecting steel plates 35 with proper specifications are selected according to the requirements, when only one frame side column 1 is required to extend longitudinally, rectangular connecting steel plates 35 are selected, clamping blocks 34 with through holes 24 are welded on the upper side and the lower side of the two ends of each connecting steel plate 35, channel steel 31 with bolts is welded in the middle of each connecting steel plate 35, and the upper free end and the lower free end of each channel steel 31 penetrate into different frame side columns 1 respectively. When only two frame side columns 1 are required to longitudinally extend, square connecting steel plates 35 are selected, clamping blocks 34 with through holes 24 are welded on the upper side and the lower side of the four end parts of the connecting steel plates 35, two groups of channel steel 31 with studs are welded in the middle of the connecting steel plates 35, and the upper free ends and the lower free ends of the channel steel 31 respectively penetrate into the inner shearing resistance of different frame side columns 1. A housing construction system based on modular unit frame column-column connection nodes is shown in fig. 14, 15.
Example 4
As shown in fig. 10 and 11, the embedded part for modular unit frame column-column longitudinal connection is different from embodiment 1 in that the shear resistant part is a square steel tube 32 uniformly welded with pegs. A housing construction system based on modular unit frame column-column connection nodes is shown in fig. 16, 17.
Example 5
As shown in fig. 12 and 13, the embedded part for modular unit frame column-column longitudinal connection is different from embodiment 1 in that the shear member is a section steel 33 uniformly welded with pegs. A housing construction system based on modular unit frame column-column connection nodes is shown in fig. 18, 19.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention, which is intended to be covered by the claims of the present invention.
Claims (9)
1. The modularized unit frame column-column connecting node is characterized by comprising two frame side columns, a connecting steel plate frame for horizontally connecting the frame side columns and an embedded part for longitudinally connecting the frame side columns; the connecting steel plate frame comprises a long steel plate strip, short steel plate strips welded at the two end parts of the long steel plate strip, and a plurality of steel plate strips longitudinally welded on the long steel plate strip and the short steel plate strips, wherein the steel plate strips are provided with through holes which correspond to each other and are convenient for penetrating steel bars; the end face of the frame side column is provided with a notch which is shaped like a Chinese character 'ao', and one side opposite to the frame side column is provided with a through groove which is convenient for a steel plate sheet to pass through; a plurality of grouting holes are formed in the frame side columns.
2. The modular unit frame column-column connection node of claim 1, wherein wing plates are arranged on two sides of the notch end of the frame side column, through grooves are formed in the wing plates and are waist-shaped holes matched with the steel plates, and lacing plates are connected between the wing plates of the same frame side column; a baffle serving as an embedded part is connected between the wing plate and the inner wall of the frame side column, one end of the baffle extends out of the frame side column, the other end of the baffle is sunken into the frame side column, and grouting holes are uniformly formed in the baffle.
3. The modular unit frame column-column connection node of claim 1, wherein the frame side column notch side is a support plate, the through slot is formed on the support plate and is a rectangular frame which is convenient for a plurality of groups of steel plates to simultaneously pass out; a baffle is connected between the support plate and the inner wall of the frame side column, one end of the support plate and one end of the baffle serving as embedded parts extend out of the frame side column, the other end of the support plate and one end of the baffle are sunken into the frame side column, and grouting holes are uniformly formed in the support plate and the baffle.
4. The modular unit frame column-column connection node of claim 1, wherein the embedment comprises a connection steel plate, a clamping block welded at an end of the connection steel plate, and a shear member penetrating through a middle of the connection steel plate.
5. A modular unit frame column-column connection node as claimed in claim 2, wherein a spacer plate with a through hole is welded in the frame side column corresponding to the short steel strip.
6. The modular unit frame column-column connection node of claim 4, wherein the shear elements are uniformly bolted channel steel, square steel tube or section steel.
7. The house building system based on the modularized unit frame column-column connection node is characterized by comprising a core tube and modularized unit frames fixedly connected around the core tube, wherein each modularized unit frame comprises a frame side column, prefabricated floor slabs and long beams and short beams connected between the frame side columns according to any one of claims 1-6, the horizontal connection of the frame side columns is realized through connecting steel plate frames, the longitudinal connection of the frame side columns is realized through embedded parts, and the connection positions of adjacent prefabricated floor slabs are cast-in-place belts.
8. The building construction system based on the modular unit frame column-column connection node according to claim 7, wherein the embedded steel plates are embedded around the core tube, short-length steel plates are welded on the embedded steel plates, long-length steel plates are welded on the frame side columns on the side where the modular unit frame is connected with the embedded steel plates, and the long-length steel plates are fixedly connected with the corresponding short-length steel plates through bolt fasteners.
9. The modular unit frame column-column connection node based building construction system of claim 8, wherein square steel pipes or i-beams welded and fixed with the long beams or the short beams are arranged below the cast-in-place belt.
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