CN205776780U - Integrated assembled type dwelling house system - Google Patents

Abstract

The utility model discloses an integrated assembly type housing system. The integrated prefabricated housing system includes at least one room surrounded by multiple walls, each room has at least one wall with a door opening; each wall is composed of at least one integrated wall, and each integrated wall includes vertically arranged The skeleton and the internal filling wall arranged between the skeletons, wherein the skeleton includes end columns arranged at both ends of the wall and section steel as a beam at the top or bottom of the wall; two adjacent integrated walls The end columns are fixedly connected with each other, and the section steel is fixedly connected with the end columns; the side wall of the section steel has a recessed part, and the recess part is embedded with a floor slab or a bottom form that is inherently arranged horizontally, and the section steel An integral structure is formed with the floor slab or an integral structure is formed between the section steel and the integral cast-in-place concrete layer cast on the bottom formwork. The utility model has the advantages of low cost, high construction efficiency and high degree of repeated utilization.

Description

Integrated prefabricated housing system

technical field

The utility model relates to an integrated assembly type housing system, which belongs to the field of housing industrialization (building).

Background technique

At present, the systems in the field of prefabricated low-rise residential buildings (the names of the following systems are summarized by the applicant) mainly include the densely spaced light steel skeleton structure system - "Beixin Housing System" (for example, Chinese patent CN201410738494.3), light-weight steel skeleton embedded Wall panel system - "Jidong housing system", wood structure system, container structure system, thin aluminum plate structure system, PC structure system, etc. These systems all have their own advantages, but they have a common shortcoming that the cost is very high.

The above structural system has problems such as many on-site assembly processes, heavy internal filling and decoration workload after structural construction, and certain limitations in the scope of application. Therefore, it is urgent to combine the advantages of the above systems to highly integrate profiled steel, infill wall panels, and PC exterior decoration, and to embed floors to form a new low-cost integrated prefabricated residential system.

Utility model content

The utility model aims to provide an integrated prefabricated residential system. The components of the integrated prefabricated residential system are highly integrated in the factory, and the structural skeleton layer, thermal insulation layer and decorative layer are connected reliably, which can ensure the tightness and no peeling between the layers. , delamination. The connection method of each component is simple, the workload is less, and the structural mechanical properties and waterproof requirements can be guaranteed. There should be less wet work on site, and dry work should be used as far as possible for the connection of various components. The construction speed should be fast, the installation process should be simple, and the labor cost should be reduced. The system structure should be flexible. Materials for decoration layer, insulation layer, infill wall layer and section steel skeleton can be selected according to the construction and structure needs of the project and the requirements of the owner, so that it can meet the safety requirements of the number of structural layers and low, medium and high-grade buildings. comfort requirements.

In order to achieve the above object, the technical solution adopted in the utility model is:

An integrated prefabricated residential system, including at least one room surrounded by multiple walls, each room has at least one wall with a door opening; its structural feature is that each wall is composed of at least one integrated wall, and each integrated The wall consists of a vertically arranged skeleton and an internal filling wall arranged between the skeletons, wherein the skeleton includes end columns arranged at both ends of the wall and shaped steel as a beam at the top or bottom of the wall; The end columns of two adjacent integrated walls are fixedly connected, and the section steel is fixedly connected with the end columns; the side wall of the section steel has a recessed part, and the recessed part is embedded with an inherently horizontally arranged floor or profile A bottom form, an integral structure is formed between the profiled steel and the floor slab or an integral structure is formed between the profiled steel and an integral cast-in-situ concrete layer cast on the bottom formwork.

The framework of the integrated wall body of the utility model is firmly connected with the internal filling wall, and at the same time, the connection between the framework and the framework is convenient, which facilitates the control of building quality. At the same time, the section steel is firmly connected to the floor, and can realize the overall mechanical performance of the floor. The section steel is used as the embedded end of the floor slab to realize the formwork-free technology. The web of section steel is used to block the upper cast-in-place concrete, the site has a good wet working environment, there are no quality defects such as mold expansion and runaway, and the investment in civilized construction is low.

Therefore, the utility model takes the shaped steel with the recessed part as the basic element, and uses the advantages of the recessed part as the embedded end of the floor. The shaped steel can be used as a part of the integrated wall and also serves as a supporting structure, which is convenient for the operation above the shaped steel and the floor. operation, significantly improving the ability of parallel construction.

According to the embodiments of the present invention, the present invention can also be further optimized, and the following is the technical scheme formed after optimization:

In order to facilitate the docking of the upper and lower wallboards, the bottom of the end column is provided with a docking column leg for connecting with the top of the next layer of end column.

According to an embodiment of the present invention, a cast-in-place concrete layer is provided above the floor slab, and the cast-in-place concrete layer connects the section steel and the floor slab to form an integral structure. Preferably, a shear stud is fixed on the web of the section steel, and the shear stud is partially arranged in the cast-in-place concrete layer; a rib is provided on the floor, and the protruding part of the rib is located in the cast-in-place concrete layer; The end of the rib is in the shape of a hook, which is used to hook the reinforcing rib in the cast-in-place concrete layer. As a result, the section steel is used as a supporting structure to make the upper wall panel, and at the same time, it is convenient for floor construction. The laminated floor and section steel can be connected as a whole by using the cast-in-place concrete layer. The problem of synchronous construction of the floor slab and the upper wall slab. Further, the reinforcement is used to firmly connect the cast-in-place concrete and the floor slab.

In order to ensure the reliability of the floor slab installation, the two ends of the floor slab are respectively arranged in the recessed parts of the corresponding section steels of the two opposite integrated walls.

According to another embodiment of the present utility model, a cast-in-place end portion is provided between the end portion of the floor slab and the corresponding recessed portion of the section steel. Preferably, the floor is a fully prefabricated floor. Preferably, the floor slab is a hollow slab with a slab cavity, and the hollow slab is fixedly connected with the section steel through a retaining ring pre-embedded in the cast-in-place end.

Preferably, for the external wall, a waterproof strip is provided between the bottom end of the shaped steel and the lower integrated wall.

Preferably, the shaped steel is one of I-shaped steel, H-shaped steel and C-shaped steel.

Preferably, each integrated wall also includes an insulation layer arranged on the outer side of the inner filling wall and a decorative layer located outside the insulation layer; the insulation layer and the decoration layer are fixedly connected to the inner filling wall through connecting ribs, which can avoid the insulation layer And the decorative layer peeled off.

It is preferable that the top of the thermal insulation layer and the decorative layer of each integrated wall move down and stagger a certain distance relative to the top of the internal filling wall, and the bottom of the thermal insulation layer and decorative layer of each integrated wall move downward and stagger a certain distance relative to the top of the internal filling wall distance. As a result, the decorative layer and thermal insulation layer of the integrated wall panel are staggered by a certain distance from the internal filling wall within the range of floor height, which serves as the first line of defense for the waterproofing of the horizontal joints. The bottom of the basic wall is pasted with waterproof adhesive strips as the second waterproof defense line for the horizontal connection of the components, which can significantly improve the waterproof effect.

Preferably, the connection nodes formed between the end columns of two adjacent integrated walls are in the shape of a straight line, an L shape or a T shape; the side walls of the end columns facing the inner filling wall are provided with a plurality of tie knots The tendon head and the tie tendon head can firmly connect the end column and the internal filling wall; the same wall is connected by multiple integrated walls, and a word is formed between the end columns of two adjacent integrated walls. type node. At the in-line joints, paraffin (or asphalt) is filled between the end columns, and there is a sealant filled between the end columns on the outside of the paraffin (or asphalt), and there is a sealant on the inside of the paraffin (or asphalt). Expandable waterstop between end columns. On the inner side of the wall, connect the two end columns with a straight connector.

When the end column of the integrated wall on the upper layer is fixedly connected to the end column of the adjacent lower integrated wall through the butt column leg, it is welded and connected by welding, and at the same time, the fastener is used to pass through the end column and the butt column leg. The two are connected by secondary fastening.

The construction method of the above-mentioned integrated prefabricated housing system includes the following steps:

S1. Prefabricate the integrated wall and floor in the factory, including the integrated wall including two vertically arranged end columns, and an internal filling wall between the two end columns; the top or bottom surface of the internal filling wall There is a section steel fixedly connected with the end column as a beam; when prefabricating an integrated wall, the decorative layer is poured first, and the insulating layer is covered on the decorative layer before the concrete is initially set, and the connecting rib is inserted, and the connecting rib is partially extended into the Go to the pouring area of the inner infill wall, then fix the skeleton and seal the pouring area, and finally pour the lightweight infill wall concrete. The inserted connecting bars are preferably basalt bars.

S2. Cast-in-place foundation beams on the construction site, and reserve insertion cup openings on the foundation beams.

S3. Hoist the prefabricated integrated wall so that the lower end of the integrated wall is inserted into the reserved insertion cup on the foundation beam, and the connecting column leg is firmly connected with the foundation beam through the connecting piece to form the first floor. After the installation on the same floor is completed, connect the vertical joints between the two integrated walls with connectors on the inner side of the integrated walls on the corresponding floor, and do waterproof treatment on the vertical joints.

S4. The top of the integrated wall on the next floor is hoisted as a plurality of integrated walls on the previous floor, and the lower end of the end column of the integrated wall on the previous floor passes through the upper end of the end column of the integrated wall on the next floor. The butt column legs are fixedly connected; at the same time, hoisting the floor slab or the bottom mold to make the end embedded in the concave part of the profiled steel, an integral structure is formed between the profiled steel and the floor, or the profiled steel and the cast-in-place bottom mold are formed. The overall structure is formed between the integral cast-in-place concrete layers above.

S2. Repeat S4 to gradually assemble each floor until the construction of the housing frame is completed.

Compared with the prior art, the beneficial effects of the utility model are:

1. Sectional steel is used as the end of the basic wall. Compared with concrete materials, the quality and precision of steel production and assembly are easier to control, and the on-site docking work is easier, and the components are not easily damaged;

2. The skeleton forms a stable beam-column structure by connecting up and down and connecting left and right. The steel columns are connected up and down through the column legs, and the left and right are connected through connectors. The construction speed is fast, and no support or outer frame is required;

3. The recessed structure of the H-shaped steel beam at the bottom of the skeleton can be used as the fulcrum of the floor, which can make the floor work and the upper wall work be carried out at the same time, shortening the construction period;

4. The H-shaped steel at the bottom of the skeleton can be used as the support point of the floor slab and the side form of the post-cast concrete, which simplifies the construction on site;

5. In the bathroom or other parts where the board needs to be lowered, the position of the H-shaped steel can be adjusted up and down or an H-shaped steel can be added to cleverly realize the problem of lowering the board at any height;

6. The H-shaped steel at the bottom of the skeleton can be designed in any part of the wall according to the needs on the first floor, so as to achieve the purpose of realizing the overhead floor, and the moisture-proof effect is obvious;

7. Most of the whole system components are integrated in the factory, and the wall panel components are all dry-connected by welding or bolted joints. The on-site workload is small, the labor cost is greatly reduced, the wet work is less, and the social benefits are obvious;

8. The structural system of this utility model takes the skeleton of the basic wall as the design idea. According to the structural safety requirements and the building functional requirements of the owner, materials can be replaced and the amount of integration can be controlled so that the system can meet the requirements of low, medium, high-grade and one-story buildings. , multi-tiered market supply;

9. The system of the utility model has superior structural, thermal insulation and waterproof properties through the integration of basic walls, thermal insulation boards and decorative walls;

10. The skeleton can be used as the formwork for the filling wall production and pouring, and only the upper formwork is required for the production of the basic wall part;

11. Since the wall panels of this structure are all dry-connected, the wall panel components can be reused after being removed, and the floor part can be reused after reasonable cutting because it is built-in.

Description of drawings

Fig. 1 is a schematic diagram of room splitting according to an embodiment of the present invention;

Fig. 2 is the structural representation of U-shaped skeleton wall;

Fig. 3 is a structural schematic diagram of the application of the wall lowering plate;

Fig. 4 is a structural schematic diagram of four U-shaped skeleton walls after butt joint assembly;

Fig. 5 is a schematic diagram of the connection between the end column and the butt column leg;

Fig. 6 is a schematic diagram of wall vertical node connections;

Figure 7 is a top view of Figure 6;

Fig. 8 is a schematic structural view of a single integrated wall;

Fig. 9 is the right side view of Fig. 8;

Fig. 10 is a schematic diagram of the utility model installed on the foundation beam of the construction site;

Fig. 11 is a schematic diagram of an embodiment of a section steel support floor;

Fig. 12 is a schematic diagram of another embodiment of the shaped steel support floor;

Fig. 13 is a schematic diagram of another embodiment of a section steel supporting floor.

In the picture

1, 2-integrated wall; 3-cast-in-place floor; 4-pressure bottom mold; 5-shaped steel; Nail; 10-laminated floor; 12-waterproof strip; 13-cast-in-place end; 14-retaining ring; 15-board cavity; 100-inner filling wall; 101-insulation layer; 102-decorative layer; Department column; 104- tie tendon head; 105-butt column leg; 106-connecting rib; 107-fastener; 108-bolt hole; 109-sealant; Connecting piece; 113-foundation beam; 114-angle steel; 115-anchor bolt; 116-concrete; L-the distance that the top of the insulation layer and the decoration layer moves downward relative to the top of the inner filling wall or the bottom of the insulation layer and the decoration layer The staggered distance that the end is moved down relative to the top of the interior fill wall.

detailed description

The utility model will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. For the convenience of description, if the words "up", "down", "left" and "right" appear in the following, it only means that the directions of up, down, left and right are consistent with the drawings themselves, and do not limit the structure.

The end column 103 with hollow section steel as U-shaped steel skeleton or inverted U-shaped steel skeleton, the beam with H-shaped steel 5 as skeleton, and the internal filling wall are prefabricated by lightweight concrete. The insulation layer 101 is extruded board and the decorative layer 102 is imitation wood Concrete, the floor slabs 10 are laminated slabs as an example to illustrate in detail the utility model, an integrated assembly residential system, as shown in Figure 1-7, the main structural components are: several integrated wall panels, several laminated floor slabs 10, and several connectors and water-tight sealing filling; each integrated wall panel is composed of an inner basic wall, a thermal insulation board and an imitation wood grain decorative board; the basic wall is composed of a skeleton and an internal filling wall; The lower part is composed of H-shaped steel beams. According to the connection nodes of the straight, L and T shapes, the column can be designed into the straight, L and T shapes accordingly. The inner side of the end column 103 is welded with a steel bar head to facilitate the connection between the skeleton and the filling wall. The bottom of the end column 103 is provided with connecting column legs for up and down butt joints. In order to ensure that the basic wall, insulation board and wood-like concrete are firmly connected as a whole, basalt steel bars are inserted in the middle of the integrated board at a certain interval for connection. As shown in Figure 8, the decorative layer and thermal insulation layer of the integrated wall panel are staggered by a certain distance from the inner basic wall within the range of floor height, and serve as the first line of defense for horizontal seam waterproofing. The bottom of the basic wall is pasted with waterproof adhesive strips as the second waterproof defense line for the horizontal connection of the components.

The skeleton assembled by section steel is used as the main force-bearing member, and the filler wall is embedded in the skeleton to form the inner basic wall. The inner basic wall is hung with an insulation layer and a decorative wall (the decorative layer can be a new type of imitation stone, imitation wood grain concrete, or a mortar layer and paint, etc.). The floor slab (the floor slab can be made of profiled steel plate for concrete poured on the bottom formwork, it can be concrete poured on a laminated slab, or it can be fully prefabricated partial hollow concrete, etc.) embedded in the steel beam at the lower end of the skeleton. The wall panel components (including skeleton, infill wall, insulation layer, and decorative layer) are highly integrated through the construction sequence and process connection of the factory. The on-site simple dry connection is assembled, and the floor slab is embedded according to the structure type, and finally a stable structure is formed on site.

The construction method of the above prefabricated housing system is as follows:

As shown in Figures 8 and 9, the factory integrates the production of wall panels: step 1, adopts the anti-beating process to pour the decorative layer (taking imitation wood-grain concrete as an example), and puts an insulation board on the top of the concrete before the initial setting, and according to Insert the basalt steel bars at the designed interval, and leave the steel bar head to connect the standard wall concrete; step 2, after the imitation wood-grain concrete reaches the specified strength, fix the skeleton and the upper part of the mold on it, and pour the lightweight concrete for the filling wall; the laminated slab is prefabricated Synchronized with integrated wall panels.

On-site construction part: Step 1, as shown in Figure 10, the cast-in-place foundation beam 113, the insertion cup and pre-embedded anchor bolts are reserved on the foundation beam; Step 2, after the components are transported to the site, the hoisting wallboard is inserted into the foundation beam In the mouth of the cup, connect the connecting column leg and the foundation beam firmly through the connecting piece; step 3, connect the vertical joints of the two walls on the inner side of the wall with the connecting piece, and do waterproof treatment for the vertical joint; step 4 , hoisting the laminated floor slab (the floor slab can be hoisted after all the wall panels of each layer are hoisted and constructed); step 5, pouring the cast-in-place layer of the laminated floor slab; step 6, after all the wall panels of the first floor are hoisted and connected, hoist the upper wall panel and floor slabs to finally form a stable structure, repeat the above steps until all floors are constructed.

The above-mentioned embodiments should be understood that these embodiments are only used to illustrate the utility model more clearly, and are not intended to limit the scope of the utility model. After reading the utility model, those skilled in the art will understand each aspect of the utility model Modifications in various equivalent forms all fall within the scope defined by the appended claims of this application.

Claims (10)

1. An integrated prefabricated residential system, comprising at least one room surrounded by multiple walls, each room has at least one wall with a door opening; it is characterized in that each wall is composed of at least one integrated wall, each The integrated wall consists of a vertically arranged skeleton and an internal filling wall (100) arranged between the skeletons, wherein the skeleton includes end columns (103) arranged at both ends of the wall and The shaped steel (5) used as a beam; the end columns (103) of two adjacent integrated walls are fixedly connected, and the shaped steel (5) is fixedly connected with the end columns (103); the side walls of the shaped steel There is a recessed part (8), the recessed part (8) is embedded with the floor (10) or the bottom mold (4) which is inherently arranged horizontally, and an integral structure is formed between the section steel (5) and the floor (10) Or an integral structure is formed between the section steel (5) and the integral cast-in-place concrete layer (3) cast on the bottom formwork (4). 2. The integrated prefabricated housing system according to claim 1, characterized in that a cast-in-place concrete layer (7) is provided above the floor slab (10), and the cast-in-place concrete layer (7) combines the profiled steel ( 5) and the floor (10) are connected to form an integral structure. 3. The integrated prefabricated housing system according to claim 2, characterized in that, a shear stud (9) is fixed on the web of the section steel (5), and the shear stud is partially set on the cast-in-place concrete layer ( 7) inside; the floor (10) is provided with ribs (6, 11), and the protruding part of the ribs (11) is located in the cast-in-situ concrete layer (7); the end of the ribs (6) It is in the shape of a hook and is used to hook the reinforcing ribs in the cast-in-place concrete layer (7). 4. The integrated prefabricated residential system according to claim 1, characterized in that, the two ends of the floor (10) are respectively set in the recessed parts (8) of the corresponding section steel (5) of the two opposite integrated walls Inside. 5. The integrated prefabricated housing system according to claim 1, characterized in that there is a cast-in-place end between the end of the floor (10) and the corresponding recess (8) of the section steel (5) (13). 6. The integrated prefabricated housing system according to claim 5, characterized in that, the floor slab (10) is a hollow slab with a slab cavity (15), and the hollow slab is pre-embedded in the cast-in-place end (13 ) inside the retaining ring (14) is fixedly connected with the section steel (5). 7. The integrated prefabricated housing system according to any one of claims 1-6, characterized in that, the profiled steel (5) is one of I-shaped steel, H-shaped steel and C-shaped steel. 8. The integrated prefabricated housing system according to any one of claims 1-6, characterized in that each integrated wall also includes an insulation layer (101) arranged on the outer side of the inner filling wall (100) and an insulation layer located on the outer side of the insulation layer (101) an outer decorative layer (102); the thermal insulation layer (101) and the decorative layer (102) are fixedly connected to the inner filling wall (100) through connecting ribs (106). 9. The integrated prefabricated residential system according to claim 8, characterized in that, the tops of the insulation layer (101) and the decorative layer (102) of each integrated wall move downward and stagger relative to the top of the inner filling wall (100) For a certain distance, the bottom ends of the thermal insulation layer (101) and the decorative layer (102) of each integrated wall body move downward relative to the top of the inner filling wall (100) and stagger for a certain distance. 10. The integrated prefabricated residential system according to any one of claims 1-6, characterized in that the connection nodes formed between the end columns (103) of two adjacent integrated walls are in the shape of a straight line and an L shape or T-shaped; the end column (103) is provided with a plurality of tie bars (104) on the side wall facing the inner filling wall (100); the same wall is connected by a plurality of integrated walls, and two adjacent An in-line node is formed between the end columns of the integrated wall.