CN108277887B - Prefabricated built-in insulation layer concrete composite wall-light steel frame connection node - Google Patents
Prefabricated built-in insulation layer concrete composite wall-light steel frame connection node Download PDFInfo
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- CN108277887B CN108277887B CN201810223407.9A CN201810223407A CN108277887B CN 108277887 B CN108277887 B CN 108277887B CN 201810223407 A CN201810223407 A CN 201810223407A CN 108277887 B CN108277887 B CN 108277887B
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
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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
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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Abstract
本发明属于建筑结构工程中墙体节点连接制作技术领域，具体涉及一种装配式内置保温层混凝土复合墙‑轻钢框架连接节点。复合墙采用半嵌入式安装，内置保温层、内页混凝土嵌入轻钢框架内，外页混凝土外包住轻钢框架梁柱，与传统装配式墙体相比，本发明的墙体可作为结构受力构件，与框架梁柱之间相互传递荷载，参与房屋结构受力，提高房屋承载力及抗震能力，而墙板外包钢框架梁柱，有效降低钢材腐蚀；复合墙‑框架节点通过复合墙内预埋螺栓，框架结构梁柱上焊接连接角钢，实现螺栓连接，节点构造形式简单，连接可靠，易于施工，运用于实际工程中，可有效缩短建设周期，适合在低多层轻钢框架结构中广泛推广应用。
The present invention belongs to the technical field of wall node connection production in building structure engineering, and specifically relates to an assembled built-in insulation layer concrete composite wall-light steel frame connection node. The composite wall adopts semi-embedded installation, the built-in insulation layer and the inner page concrete are embedded in the light steel frame, and the outer page concrete wraps the light steel frame beams and columns. Compared with the traditional assembled wall, the wall of the present invention can be used as a structural load-bearing component, and the load is transferred between the frame beams and columns, participating in the stress of the house structure, improving the bearing capacity and earthquake resistance of the house, and the wall panels are wrapped with steel frame beams and columns, which effectively reduces the corrosion of steel; the composite wall-frame node is bolted by pre-embedded bolts in the composite wall and welding connection angle steel on the frame structure beams and columns. The node structure is simple, the connection is reliable, and it is easy to construct. It can be used in actual projects to effectively shorten the construction period and is suitable for wide promotion and application in low-rise and multi-story light steel frame structures.
Description
Technical field:
The invention belongs to the technical field of manufacturing of wall connection nodes in building structure engineering, and particularly relates to an assembled concrete composite wall-light steel frame connection node with a built-in heat preservation layer and a manufacturing method thereof.
The background technology is as follows:
At present, china is in the rapid process of town, the comprehensive well-being is realized by 2020, the town level reaches about 60%, the town population is increased by about 3 hundred million, and the number of town houses is kept to be higher in a longer time. However, the current newly added building is still built in the traditional rough building mode with high energy consumption and high pollution. The method is an important measure for realizing the transformation of a residential building mode from a rough type to an intensive type, improving the quality of the residence and saving the energy consumption of the residence, is an important way for ensuring the sustainable development of the building industry, and has extremely profound significance for the economic and social development of China.
The light steel frame structure refers to a pure beam column frame structure or a beam column frame-supporting structure system which is composed of components such as hot rolled H-shaped steel with small cross section, high-frequency welded H-shaped steel, common welded H-shaped steel or profiled steel, cold rolled or hot rolled steel pipes and the like, and has the characteristics of simple structure construction, convenient disassembly and assembly and flexible layout. The assembled light steel frame structure is developed, the prefabrication of the components and the on-site installation can be realized, the resources can be effectively saved, the energy consumption is reduced, the construction time is greatly shortened, and the construction method has great promotion effects on realizing the industrialization of the building and the industrialization of the residence and the urban construction.
The beam column is used as a main structure, is mature in the assembled structure technology, but the research of an assembled wallboard structure system matched with the beam column is relatively lagged. One of the important indexes for checking the industrialization level of the assembled structure is the assembly degree of the wallboard, and the difference of the assembly connection forms of the wallboard and the main body frame has a great influence on the rigidity of the main body structure, and even the unreasonable arrangement can lead to the damage of the main body structure. The existing assembled wallboards are mostly assembled externally hung wallboards, and are mostly used as outer protective members of the structure, rigidity and bearing capacity are not provided for a main body structure, and conversely, the externally hung wallboards have certain mass, so that gravity load of structural stress members is increased, and the design strength and engineering cost of the main body structure are increased.
How to reliably realize the connection problem of the assembled wall body and the upper beam and column of the light steel frame, so that the problem that the wallboard becomes a structural stress member is not solved well, and the problem to be solved in the building system with the assembled structure is urgent to develop, popularize and apply, and is also an important reason that the building system with the assembled structure cannot be popularized in a large scale.
Disclosure of Invention
The invention provides an assembled type built-in heat-insulating layer concrete composite wall-light steel frame connecting node which is simple in structure, convenient to construct, safe and reliable in connection and a manufacturing method, so that the problem of connection between an assembled type wall body and a frame in a light steel frame structure is solved, meanwhile, beam column components of the light steel frame are effectively maintained, steel corrosion is reduced, fireproof is enhanced, and the assembled type light steel frame structure is suitable for being widely popularized and applied in a low-multilayer assembled type light steel frame structure.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The assembled built-in heat preservation concrete composite wall-light steel frame connecting node comprises outer leaf concrete (1), a built-in heat preservation (2), inner leaf concrete (3), a concrete frame (4), an outer leaf orthogonal steel bar mesh (5), a frame steel bar mesh (6), an inner leaf orthogonal steel bar mesh (7), embedded bolts (8), bolt connecting grooves (9), connecting angle steel (10), light steel frame columns (11) and light steel frame beams (12); the method comprises the steps of arranging an outer leaf orthogonal reinforcement mesh (5) in the middle of an outer leaf concrete (1), arranging a frame reinforcement mesh (6) and embedded bolts (8) at the position of a concrete frame (4), pouring the outer leaf concrete (1), arranging a built-in heat preservation layer (2) on the upper layer of the outer leaf concrete (1), pouring the concrete frame (4) around the built-in heat preservation layer (2), arranging an inner leaf orthogonal reinforcement mesh (7) in the middle of an inner leaf concrete (3), pouring the inner leaf concrete (3), reserving bolt connection grooves (9) at the position of the embedded bolts (8) of a composite wall during pouring, and curing a wallboard to form an assembled built-in heat preservation layer concrete composite wall; and connecting angle steel (10) with reserved bolt holes are welded on the light steel frame columns (11) and the light steel frame beams (12), and when the light steel frame columns are assembled, the embedded bolts (8) on the composite wall penetrate through the bolt holes on the connecting angle steel (10) and are connected with the light steel frames, so that an assembled built-in heat-insulating layer concrete composite wall-light steel frame connecting node is formed.
The assembled built-in heat preservation concrete composite wall-light steel frame connected node is characterized in that:
The casting thickness of the outer page concrete (1) and the inner page concrete (3) is 40-80 mm, the casting width of the concrete frame (4) is not less than 60mm, and the strength grade of the concrete is C30-C60. According to the actual engineering performance requirements and environmental protection requirements, high-performance materials such as steel fibers, carbon fibers and the like can be added into the outer-page concrete (1) and the inner-page concrete (3) or only into the concrete frame (4), and common coarse aggregate or different mixing amounts of recycled coarse aggregate can be selected to prepare the green high-performance concrete.
The built-in heat preservation layer (2) is made of heat preservation and insulation materials. The heat insulating material may be molded polystyrene foam board (EPS board), extruded polystyrene foam board (XPS board), rigid polyurethane board (PU board), rock wool, glass wool, etc. The heat preservation material sets up in the wall body middle part, guarantees the good energy-conserving heat preservation effect of wallboard, effectively prevents fires simultaneously.
The diameters of the steel bars used for the outer-page orthogonal steel bar mesh (5) and the inner-page orthogonal steel bar mesh (7) are not smaller than 4mm, the reinforcement intervals are not smaller than 50mm, the steel bars are vertically arranged to form orthogonal steel bar meshes, and the orthogonal steel bar meshes are respectively paved in the outer-page concrete (1) and the inner-page concrete (3) in a single piece.
The frame reinforcing steel bar net (6) is formed by vertical reinforcing steel bars and horizontal reinforcing steel bars in an orthogonal mode, the diameter of the vertical reinforcing steel bars is not smaller than 3mm, the number of the vertical reinforcing steel bars is not smaller than 2, meanwhile, the reinforcing steel bar intervals are not larger than 40mm, the diameter of the horizontal reinforcing steel bars is not larger than the diameter of the vertical reinforcing steel bars, and the intervals are not smaller than 40mm. The plane of the frame reinforcing steel bar net (6) is perpendicular to the plane of the outer page orthogonal reinforcing steel bar net (5), the vertical reinforcing steel bars of the frame reinforcing steel bar net (6) are encrypted, and the distance is smaller than the distance between the wall plates.
The wall board is characterized in that the periphery of the built-in heat preservation layer (2) is reinforced by the concrete frame and the frame reinforcing steel bar net is encrypted, so that the periphery strength of the built-in heat preservation layer (2) of the wall board is ensured.
The specification of the embedded bolts (8) is not smaller than M14, the required number is calculated according to the required connection strength of the structure, but the number of the connecting bolts on each connecting edge of the composite wall and the light steel frame column (11) is not smaller than 3; and part of the embedded bolts (8) are poured in the concrete frame (4), and the rest screw rods are exposed in the bolt connecting grooves (9) so as to be in bolt connection with the connecting angle steel (10) on the light steel frame column (11) during wallboard assembly.
The bolt connecting grooves (9) are rectangular grooves, the bottom surface is not lower than the upper surface of the built-in heat insulation layer (2), and the side length of each rectangular surface of each groove is not less than 50mm; the bolt connecting grooves (9) are arranged at corresponding positions of the embedded bolts (8) along four sides of the composite wall, so that the tail ends of the screw rods of the embedded bolts (8) can be exposed out of the foaming concrete for connecting the wall with the nodes of the frame, and the plane of the wallboard is not protruded; after the wall body is assembled, the bolt connection groove (9) is filled with building filling materials, so that the plane of the wall board is smooth. The building filler material comprises grouting material, cement mortar or fine stone concrete.
The thickness of the connecting angle steel (10) is not smaller than 4mm, and the size of one end connected with the wallboard is smaller than the size of the bottom surface of the bolt connecting groove (9), so that the collision of assembly nodes is prevented; the connecting angle steel (10) is provided with bolt holes corresponding to the apertures of the embedded bolts (8), and is welded on the light steel frame columns (11) and the light steel frame beams (12) before the composite wall is assembled, and the embedded bolts of the composite wall are penetrated and connected during the assembly, so that node connection is completed.
The light steel frame column (11) and the light steel frame beam (12) refer to beam and column members formed by hot rolled H-shaped steel with small cross section, high-frequency welded H-shaped steel, common welded H-shaped steel or profiled steel, cold rolled or hot rolled steel pipes and the like, and the light steel frame column (11) and the light steel frame beam (12) form a light steel frame structure together, and specific reference is made to the technical regulations of light steel structure residences.
Compared with the prior art, the assembled concrete composite wall with the built-in heat preservation layer and the light steel frame connecting node have the following advantages:
(1) The wallboard participates in structural stress, improves the anti-seismic performance of the structure. The existing assembly type building generally adopts an externally hung wallboard which is only used as a peripheral protection member of the structure, does not provide rigidity and bearing capacity for a main body structure, and on the contrary, has a certain mass, and increases the gravity load of a structural stress member, thereby increasing the design strength and the engineering cost of the main body structure. The built-in heat insulation layer and the inner page concrete of the wallboard are embedded into the frame, and mutually transmit load with the beam column of the frame, so that the wallboard can be used as a stress member to participate in stress of a main body structure, provide rigidity and bearing capacity for the main body structure, improve the shock resistance of the structure and reduce the design strength and cost of the beam column member.
(2) Strong node construction provides a secure and reliable fabricated connection. The built-in heat preservation is reinforced by the surrounding concrete frame and the frame reinforcing steel mesh is encrypted, so that the surrounding strength of the wall plate is guaranteed, the strength of the wall body-frame connecting node is further guaranteed, and the wall plate is prevented from being cracked in advance to influence the stress performance of the wall body when load is transferred between the wall plate and the frame column. The connecting bolts are pre-embedded in the concrete frames around the wallboard and are firmly connected with the wallboard; the connecting angle steel is welded on the light steel frame column and the light steel frame beam, and the connecting piece is reliably connected with the frame; finally, the wallboard and the light steel frame column are tightly bolted through the connecting bolts and the connecting angle steel, so that the assembled wallboard and the main body frame are firmly assembled.
(3) Reduce the corrosion of frame beam column steel and improve the fireproof performance of the structure. The steel frame beam column is wrapped outside the outer page concrete, so that the steel frame beam column is isolated from the outside, steel corrosion is reduced, meanwhile, the concrete has a good fireproof effect, and the disadvantage of poor fireproof capacity of the steel frame structure can be overcome.
(4) The integrity is good, and the structure keeps warm and integrates. The inner and outer page concrete of the wallboard forms a foaming concrete shell with higher strength for the wallboard together with the foaming concrete frame, so that the weakening of the wallboard strength by the built-in heat preservation layer in the middle part is relieved, and the component strength is improved. The built-in heat preservation layer is arranged in the middle of the concrete structural slab, so that inflammable heat preservation materials are isolated from the outside, and the heat preservation and fireproof effects are good.
(5) The wallboard is prefabricated in large-scale modularized production in a factory, is easy to manufacture, and is easy to realize high-efficiency industrialized manufacture on a production line. Meanwhile, the large modularized wallboard is convenient for assembly type installation on a construction site, has few and firm installation nodes, is simple to construct, remarkably reduces the operation intensity of workers, reduces the work amount of engineering, effectively shortens the construction time on the construction site, and is suitable for being widely popularized and applied in actual engineering.
Description of the drawings:
FIG. 1 is a schematic plan view of an assembled concrete composite wall with an insulation layer built-in and a light steel frame connecting node;
FIG. 2 is a partial detail view of the construction of the connecting node of the assembled concrete composite wall with the built-in heat insulation layer and the light steel frame;
FIG. 3 is a three-view of a connecting angle;
fig. 4 is a schematic diagram of the arrangement of the frame reinforcing mesh and the embedded bolts;
FIG. 5 is a partial detail view of a layered construction (excluding rebar) of an assembled composite wall-light steel frame joint with an insulation layer built in;
Fig. 6 is an effect diagram of the connecting node of the assembled concrete composite wall with the built-in heat insulation layer and the light steel frame.
In the figure: 1-outer page concrete; 2-arranging a heat preservation layer; 3-inner page concrete; 4-concrete frames; 5-an outer page orthogonal reinforcement mesh; 6-frame reinforcing steel bar net; 7-an inner page orthogonal reinforcement mesh; 8-embedding bolts; 9-a bolt connection groove; 10-connecting angle steel; 11-a light steel frame column; 12-light steel frame beams.
The specific embodiment is as follows:
The invention relates to an assembled concrete composite wall with an inner heat-insulating layer and a light steel frame connecting node, and the manufacturing method is explained by combining figures 3-6 and comprises the following steps:
The first step: according to the size of the wallboard, a template required for pouring wallboard components is manufactured, an outer leaf orthogonal reinforcing steel bar net is paved in the template, the outer leaf orthogonal reinforcing steel bar net is arranged in the middle of outer leaf foaming concrete, and a frame reinforcing steel bar net and embedded bolts are positioned and fixed in the position of a concrete frame.
And a second step of: and (3) configuring the concrete of the inner and outer pages of the wallboard and the concrete of the concrete frame part.
And a third step of: pouring the prepared outer-page concrete, compacting by vibrating, trowelling the surface layer according to the thickness of the outer-page concrete, paving a built-in heat-insulating layer on the outer-page concrete surface layer, and pouring concrete frames around the built-in heat-insulating layer;
fourth step: paving an inner leaf orthogonal reinforcement net, pouring wallboard inner leaf concrete, reserving a bolt connecting groove, and curing the wallboard;
Fifth step: welding connection angle steel on a light steel frame structure formed by light steel frame columns and light steel frame beams, embedding a composite wall into the light steel frame, enabling embedded bolts on the composite wall to pass through bolt holes on the connection angle steel, and screwing nuts;
sixth step: filling the assembled bolt connection grooves with filling materials to finish node connection, so as to form the assembled concrete composite wall with the built-in heat preservation layer and the light steel frame connection node.
The above is only one embodiment of the present invention, but the application of the present invention is not limited thereto. The dimensions and materials of the components listed in the implementation process of the present invention may be selected according to actual needs, and are not listed here.
Claims (6)
1. The assembled built-in heat preservation concrete composite wall-light steel frame connected node, its characterized in that: the light steel frame beam comprises outer leaf concrete (1), an inner insulation layer (2), inner leaf concrete (3), a concrete frame (4), an outer leaf orthogonal reinforcement mesh (5), a frame reinforcement mesh (6), an inner leaf orthogonal reinforcement mesh (7), embedded bolts (8), bolt connecting grooves (9), connecting angle steel (10), light steel frame columns (11) and light steel frame beams (12); the method comprises the steps of arranging an outer leaf orthogonal reinforcement mesh (5) in the middle of an outer leaf concrete (1), arranging a frame reinforcement mesh (6) and embedded bolts (8) at the position of a concrete frame (4), pouring the outer leaf concrete (1), arranging a built-in heat preservation layer (2) on the upper layer of the outer leaf concrete (1), pouring the concrete frame (4) around the built-in heat preservation layer (2), arranging an inner leaf orthogonal reinforcement mesh (7) in the middle of an inner leaf concrete (3), pouring the inner leaf concrete (3), reserving bolt connection grooves (9) at the position of the embedded bolts (8) of a composite wall during pouring, and curing a wallboard to form an assembled built-in heat preservation layer concrete composite wall; the method comprises the steps that connecting angle steels (10) with reserved bolt holes are welded on light steel frame columns (11) and light steel frame beams (12), and when the light steel frame columns are assembled, embedded bolts (8) on the composite wall penetrate through the bolt holes on the connecting angle steels (10) and are connected with a light steel frame, so that an assembled built-in heat-insulating layer concrete composite wall-light steel frame connecting node is formed; the manufacturing method comprises the following steps:
the first step: according to the size of the wallboard, a template required for pouring wallboard components is manufactured, and an outer leaf orthogonal reinforcing steel bar net, a frame reinforcing steel bar net and embedded bolts are positioned and arranged in the template;
and a second step of: configuring concrete of the inner and outer pages and concrete frame parts;
And a third step of: pouring the prepared outer-page concrete, compacting by vibrating, trowelling the surface layer according to the thickness of the outer-page concrete, paving a built-in heat-insulating layer on the outer-page concrete surface layer, and pouring concrete frames around the built-in heat-insulating layer;
fourth step: paving an inner leaf orthogonal reinforcement net, pouring wallboard inner leaf concrete, reserving a bolt connecting groove, and curing the wallboard;
Fifth step: welding connection angle steel on the beam column of the light steel frame, embedding the composite wall into the light steel frame, enabling embedded bolts on the composite wall to pass through bolt holes on the connection angle steel, and screwing nuts;
Sixth step: filling the assembled bolt connection grooves with filling materials to finish node connection, so as to form an assembled concrete composite wall with an inner heat preservation layer and a light steel frame connection node;
the casting thickness of the outer page concrete (1) and the inner page concrete (3) is 40 mm-80 mm, the casting width of the concrete frame (4) is not less than 60mm, and the strength grade of the concrete is C30-C60; the diameters of the steel bars used by the outer-page orthogonal steel bar meshes (5) and the inner-page orthogonal steel bar meshes (7) are not smaller than 4mm, the reinforcement intervals are not smaller than 50mm, the steel bars are vertically arranged to form orthogonal steel bar meshes, and the orthogonal steel bar meshes are respectively paved in the outer-page concrete (1) and the inner-page concrete (3) in a single piece.
2. The fabricated and built-in insulation concrete composite wall-light steel frame connection node of claim 1, wherein: the built-in heat preservation layer (2) is made of heat preservation and insulation materials.
3. The fabricated and built-in insulation concrete composite wall-light steel frame connection node of claim 1, wherein: the frame reinforcing steel bar net (6) is formed by vertical reinforcing steel bars and horizontal reinforcing steel bars in an orthogonal mode, the diameter of the vertical reinforcing steel bars is not smaller than 3mm, the number of the vertical reinforcing steel bars is not smaller than 2, meanwhile, the reinforcing steel bar intervals are not larger than 40mm, the diameter of the horizontal reinforcing steel bars is not larger than the diameter of the vertical reinforcing steel bars, and the intervals are not smaller than 40mm.
4. The fabricated and built-in insulation concrete composite wall-light steel frame connection node of claim 1, wherein: the specification of the embedded bolts (8) is not less than M14, and the number of the connecting bolts on each connecting edge of the composite wall and the light steel frame column (11) is not less than 3; and part of the embedded bolts (8) are poured in the concrete frame (4), and the rest screw rods are exposed in the bolt connecting grooves (9) so as to be in bolt connection with the connecting angle steel (10) on the light steel frame column (11) during wallboard assembly.
5. The fabricated and built-in insulation concrete composite wall-light steel frame connection node of claim 1, wherein: the bolt connecting grooves (9) are rectangular grooves, the bottom surface is not lower than the upper surface of the built-in heat insulation layer (2), and the side length of each rectangular surface of each groove is not less than 50mm; the bolt connecting grooves (9) are arranged at corresponding positions of the embedded bolts (8) along four sides of the composite wall, so that the tail ends of the screw rods of the embedded bolts (8) can be exposed out of concrete to connect the wall with the nodes of the frame without protruding out of the plane of the wallboard; after the wall body is assembled, the bolt connecting grooves (9) are filled with building filling materials.
6. The fabricated and built-in insulation concrete composite wall-light steel frame connection node of claim 1, wherein: the thickness of the connecting angle steel (10) is not smaller than 4mm, and the size of one end connected with the wallboard is smaller than the size of the bottom surface of the bolt connecting groove (9), so that the collision of assembly nodes is prevented; the connecting angle steel (10) is provided with bolt holes corresponding to the apertures of the embedded bolts (8), and the connecting angle steel is welded on the light steel frame column (11) and the light steel frame beam (12) before the composite wall is assembled.
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