CN204876198U - Frame construction building based on take prefabricated lightweight aggregate concrete filling big -wall board assembly of recess - Google Patents

Abstract

The utility model provides a frame structure building assembled on the basis of prefabricated light aggregate concrete with grooves and filling large wall boards. Prefabricated lightweight aggregate concrete filled large wall panels are used as full-face filled wall elements. The frame structure building includes a cast-in-place space formwork system composed of prefabricated lightweight aggregate concrete filled large wall panels, wall column formwork and floor/roof formwork; the prefabricated lightweight aggregate concrete filled large wall panels are made of lightweight Aggregate concrete prefabrication, with the structure of end groove and two side grooves, and it can also have insulation layer and decorative layer according to needs; through the cavity including side grooves between wall panels and wall columns, it is connected by end grooves space, and placing steel bars and pouring concrete on the building/roof formwork to form a frame structure building with one-story building units; multi-storey building units can be formed by overlapping on the basis of the one-story building units. The frame structure building has the advantages of simple processing, less investment in production equipment, reduced construction procedures, accelerated construction speed, labor saving, and the like.

Description

Frame structure building based on the assembly of large wall panels filled with prefabricated lightweight aggregate concrete with grooves

technical field

The invention technology of the utility model belongs to the technical field of buildings and construction thereof, and relates to a frame structure building, in particular to a frame structure building assembled on the basis of prefabricated light aggregate concrete with grooves and filling large wallboards.

Background technique

Frame structure forms are widely used in architectural structural engineering. The traditional cast-in-place reinforced concrete frame structure needs to bind the steel bars on site, support the formwork, and then dismantle the formwork after pouring the concrete. The site requires a lot of labor and the construction period is long.

In order to overcome the above shortcomings and deficiencies of the traditional frame structure system, it is necessary to seek a more reasonable solution in terms of structural technology and construction methods, so as to form a frame structure building that saves investment, is simple to process, and is convenient to construct.

Contents of the invention

The invention technology of the utility model provides a frame structure building assembled on the basis of prefabricated light aggregate concrete with grooves and filling large wall boards.

The present invention improves the structure of the beam formwork on the basis of the existing frame support formwork, and adopts a structure in which end grooves and side grooves are arranged on the prefabricated large wall panels, so as to form a prefabricated lightweight aggregate concrete-filled large structure with grooves without demolition. Frame structure buildings assembled from wall panels. The prefabricated lightweight aggregate concrete filled large wallboard with grooves can be used as a component for filling the entire wall in a frame structure building.

The invention also improves the traditional reinforced concrete cast-in-place frame structure and construction method. The invention has the advantages of simple processing, less investment in production equipment, reduced construction procedures, accelerated construction speed and labor saving.

In one aspect, the present invention provides a frame structure building based on the assembly of grooved precast lightweight aggregate concrete filled large wall panels, which includes the use of end groove configurations of precast lightweight aggregate concrete filled large wall panels to connect adjacent wall panels A plurality of prefabricated lightweight aggregate concrete filling large wall panels and column formwork for the beam structure of the wall column without demolition.

Among them, the prefabricated lightweight aggregate concrete filled large wallboard with grooves is prefabricated with lightweight aggregate concrete, has a first surface and a second surface opposite to it, a first end and a second end opposite to it part and two opposite sides, the first surface and the second surface are parallel to each other, the first end corresponds to the top of the wall panel when the normal wall is constructed, and the second end corresponds to the normal wall The bottom end of the wallboard when the body is constructed; wherein, the first end is provided with an end groove parallel to the first surface and the second surface and extending along the end surface, and two parallel grooves are provided on the two sides respectively. A side groove extending along the side surface on the first surface and the second surface.

The prefabricated lightweight aggregate concrete filled large wallboard with grooves may further include an insulation layer and a decoration layer, wherein the insulation layer is arranged on the second surface, and the decoration layer is arranged on the insulation layer Above, grooves are respectively arranged on both sides of the insulation layer along the longitudinal direction, and the grooves are combined with the grooves of another prefabricated lightweight aggregate concrete-filled insulation layer of the large wallboard to form a cavity.

When constructing the connection relationship between the wall panel and the wall and other components, the side groove structure on both sides of the large wall panel is filled with the prefabricated lightweight aggregate concrete, and a large wall panel can be formed between the wall column and other components. The cavities comprising said side grooves are used for filling or plugging or sealing elements therein, if desired.

When constructing the connecting relationship between the wallboard and the wall, the groove structure on both sides of the insulation layer can be used to form a cavity including the groove between the sides of the insulation layer of the two wallboards. Install insulating or sealing inserts or inject suitable insulating or sealing material.

When constructing the space assembly structure of wall panels, wall columns and floors, the end groove structure at the end of the large wall panel can be filled with the prefabricated lightweight aggregate concrete, and reinforced concrete beams can be set to form a connection between multiple prefabricated lightweight bone structures. The fixed connection of the space formwork system of concrete filling large wall panels, column formwork and floor formwork. The space formwork system can form a single-story frame structure building through cast-in-place concrete.

With the one-story building unit as the basis, multi-layer building units can be formed through overlapping, so as to form a multi-layer building.

In another aspect, the present invention also relates to a construction method of a frame structure based on prefabricated lightweight aggregate concrete with grooves filled with large wall panels.

Features and effects of the present invention include:

1) Prefabricated lightweight aggregate concrete-filled large wall panels can be prepared in large quantities in the factory by using the existing technology to form industrialization; since the formwork is produced in the factory, its construction quality and layout flatness are easy to guarantee.

2) Since most of the steel bars of the stressed components are processed in the factory, the workload of binding steel bars at the construction site is greatly reduced, and the workload and construction difficulty of formwork support at the construction site are reduced, and the labor intensity of workers is reduced. The beam formwork and floor/roof formwork of each floor can be supported at one time, which speeds up the construction. The use of demolition-free prefabricated lightweight aggregate concrete groove formwork can save the formwork dismantling process and reduce labor and time costs.

3) Since the prefabricated lightweight aggregate concrete filled large wall panels are used as the entire surface filled wall components, the construction speed can be accelerated and the cost can be reduced.

Description of drawings

The foregoing brief introduction and the following detailed description of the present invention will be better understood in conjunction with the accompanying drawings.

1A-1E are schematic diagrams of prefabricated lightweight aggregate concrete with grooves used to fill large wallboard concrete components according to a specific embodiment of the present invention. Among them, Figures 1A, 1B, 1C, 1D and 1E are the front view, top view, section view, bottom view and perspective view respectively describing the prefabricated lightweight aggregate concrete filling large wall panel concrete member.

2A-2E are schematic diagrams of prefabricated lightweight aggregate concrete filled large wall panels with grooves including concrete components, insulation layers and decorative layers according to another embodiment of the present invention. Among them, Figures 2A, 2B, 2C, 2D and 2E are the front view, top view, section view, bottom view and perspective view respectively describing the prefabricated lightweight aggregate concrete filling large wall panel concrete member.

Fig. 3A is a cross-sectional view of a prefabricated lightweight aggregate concrete-filled large wall panel with grooves including concrete components, insulation layers and decorative layers according to another specific embodiment of the present invention, wherein the difference from Fig. 2C is this Fig. The concrete layer of the large wall panel shown further includes a sandwich layer.

Fig. 3B is a cross-sectional view of a prefabricated lightweight aggregate concrete filled large wall panel with grooves including concrete components, insulation layers and decorative layers according to another embodiment of the present invention, wherein, different from Fig. 2C, the Fig. The concrete layer of the large wall panel shown in 2C is poured with lightweight aggregate concrete, while the concrete layer of the large wall panel shown in this figure is poured with light aggregate mixed with fiber materials.

Fig. 4A is a schematic diagram of the connection relationship between the side with side grooves and the column formwork of the prefabricated lightweight aggregate concrete filled large wallboard with grooves described in Figs. 1A-1E.

Fig. 4B is a schematic diagram of the connection structure of the prefabricated lightweight aggregate concrete filled large wallboard with grooves described in Fig. 1A-1E through the end groove and the floor formwork.

Fig. 5 is a schematic diagram of a frame space formwork system according to an embodiment of the present invention.

Fig. 6A is a schematic diagram of a frame structure building assembled based on prefabricated lightweight aggregate concrete with grooves filled with large wall panels according to an embodiment of the present invention.

Fig. 6B is a cross-sectional view of the frame structure building assembled based on prefabricated lightweight aggregate concrete with grooves filled with large wall panels in Fig. 6A, which shows the plane layout relationship of wall formwork, column formwork, and floor/roof formwork.

Detailed ways

In order to make the technical solutions, innovative features, goals and effects of the present invention easy to understand, the present invention will be further elaborated and described below in combination with specific diagrams and through the following specific implementation methods.

1A-1E schematically illustrate a prefabricated lightweight aggregate concrete filled large wall panel 100 with grooves used in a frame structure building according to an embodiment of the present invention. The prefabricated lightweight aggregate concrete filled large wall panel 100 has a first surface 110a and an opposite second surface 110b, a first end 120a and an opposite second end 120b, and two opposite sides, Wherein, the first surface 110a and the second surface 110b are parallel to each other, the first end 120a corresponds to the top end of the wall panel used in normal wall construction, and the first end 120a is provided with parallel The end grooves 130 extending along the end surfaces on the first surface and the second surface are respectively provided on the two sides parallel to the first surface and the second surface and extending along the side surfaces. The side groove 140.

The prefabricated lightweight aggregate concrete filled large wall panel 100 vertically fixed on the base surface is connected with the column template or other wall components at the side through the steel bars in the cavity, thereby forming a wall structure.

The building/roof formwork is placed above the column formwork and the prefabricated lightweight aggregate concrete-filled large wall panel 100 horizontally, that is, parallel to the base surface, and passes through the steel bars set in the end grooves 130 The concrete components are connected to each other, so as to form a frame space formwork system composed of the column formwork, the prefabricated lightweight aggregate concrete-filled large wall panel 100 and the building/roof formwork.

The space formwork system forms a single-story frame structure building by pouring concrete in the cavity, the end groove 130 and the base surface.

In addition, Figures 2A-2E schematically illustrate a prefabricated lightweight aggregate concrete-filled large wall panel 200 with grooves and an insulating layer and a decorative layer used in a frame structure building according to another specific embodiment of the present invention . Here, in this specific embodiment, on the basis of the large wallboard 100 shown in FIGS. 1A-1E , layers including an insulating layer and a decorative layer are sequentially added on the second surface 110b. In Fig. 2A-2E, for the sake of brevity, the same or similar labels as those in Fig. 1A-1E (the last two digits of the labels are the same) are used for the same parts as shown in 100, and the corresponding structural relationship has been described in the previous text. The description will not be repeated. Here, only the heat insulation layer and the decoration layer added in this specific embodiment are described as follows.

The heat preservation layer 260 is disposed on the second surface 110b, and the decoration layer 270 is disposed on the heat preservation layer 260 . Grooves 265 are longitudinally arranged on both sides of the heat insulating layer 260 . The groove 265 is combined with adjacent components to form a cavity, and insulating, sealing or other suitable materials are inserted or injected into the cavity to improve the sealing performance and thermal insulation effect.

According to structural requirements, the end groove 130 can have different cross-sectional shapes, such as trapezoidal, rectangular, arc-shaped, trapezoidal or triangular gradually expanding from the inside to the outside, preferably a trapezoid gradually expanding from the inside to the outside. .

The side groove 140 can also have different cross-sectional shapes, such as trapezoidal, rectangular, arc-shaped, trapezoidal or triangular gradually expanding from the inside to the outside, preferably a trapezoid gradually expanding from the inside to the outside (as shown in Fig. 1E).

The end groove 130 and the side groove 140 can be set to have different widths and depths according to structural requirements. Preferably, the end groove 130 has a larger depth than the side groove 140 .

In a specific implementation manner, the end groove 130 runs through the first end portion 120a, and the side grooves 140 on both sides respectively pass through the two sides of the wallboard. Therefore, the end groove 130 and the The side grooves 140 communicate with each other to form a large wall panel with grooves.

The cross-sectional shape of the groove 265 in the thermal insulation layer 260 can be a semicircle (as shown in FIG. 3A ) or other shapes, such as rectangle, trapezoid or triangle.

The thermal insulation layer 260 can be made of heat-insulating or flame-retardant materials, preferably polystyrene, phenolic foam and other materials. The decoration layer 270 can be made of materials with decoration performance, decoration and heat preservation function, or other suitable performance.

According to a specific embodiment of the present invention, based on the needs of the building structure, the concrete layer filled with the prefabricated lightweight aggregate concrete with grooves can be poured from lightweight aggregate concrete (Figure 2C), or it can be It is poured into lightweight aggregate concrete mixed with fiber material (Fig. 3B). The fiber material is bamboo chips, wood chips, straw, cotton stalks, branches, bark, reed wood or a mixture thereof. Preferably wheat straw or rice straw fiber material. According to structural requirements and considering factors such as the type, shape and size of the fiber material, the content of the fiber material in the concrete is, for example, about 20% to 50% of the total volume of the concrete.

Fig. 4A schematically depicts the connection relationship between the grooved prefabricated lightweight aggregate concrete filled large wall panel 410 and the column formwork 450 on the side with side grooves. In the illustrated embodiment, steel bars can be passed through the cavity formed between the side channel and the column formwork 450 and concrete can be poured to form a firm connection.

Fig. 4B schematically depicts the connection relationship between the grooved prefabricated lightweight aggregate concrete filled large wall panel 410 and the floor template 470 through the end groove. In the illustrated embodiment, steel bars can be arranged in the end grooves and connected with the steel bars of the floor formwork by pouring concrete to form a firm connection.

In addition, according to the characteristics or needs of the building structure, a sandwich layer can be further provided in the concrete member of the above-mentioned prefabricated lightweight aggregate concrete with grooves filled with large wall panels (Fig. 3A). The sandwich core layer can be arranged to be sandwiched in the wall panel concrete member at the whole level or at a partial level. In the case of partially sandwiching the wall panel concrete member (Fig. 3A), for example, at the positions corresponding to the top and both sides of the wall panel, the three sides of the sandwich layer are buried in the Among the wallboard concrete members, that is, only the side of the sandwich layer relative to the bottom end of the wallboard concrete member exposes the concrete structure. The above layer layout of the sandwich layer can adopt different structural forms as required.

Preferably, the sandwich layer is provided with a plurality of dovetail grooves on its two opposite surfaces and, for example, along the longitudinal direction, so that concrete can be poured into the dovetail grooves to form a firm when it is used to prepare the concrete components of the wall panel. combined (not shown). In terms of materials, the sandwich layer is generally made of lightweight materials to reduce the overall weight of the components, preferably thermal insulation materials, such as polystyrene, phenolic foam and other materials.

In the above illustrations, some specific dimensions of the components are indicated as examples. For example, in the embodiments depicted in each of Figures 1A and 2A the width of the wall panels is 3000mm. However, other different sizes may be used according to actual needs, for example, the above width may be other suitable sizes. However, it should be understood that these dimensions are only for specific examples, and in practice, corresponding dimensions can be adjusted or changed as required.

Fig. 5 schematically depicts a specific implementation of the space formwork system, which is a space formwork system 500 composed of prefabricated lightweight aggregate concrete filling large wall panel members 510, column formwork 550 and floor/roof formwork 570 connected.

6A and 6B schematically illustrate the construction of large wall panels 610, column formwork 650 and floor/roof formwork 670 in a frame structure building 600 based on prefabricated lightweight aggregate concrete filling large wall panels 410 according to an embodiment of the present invention. Connections on the foundation/basal surface 680 form a frame space formwork system.

In some embodiments, the frame space formwork system, through the end grooves of the assembled prefabricated lightweight aggregate concrete-filled large wall panels, inserts steel bars and fills them with concrete, and combines the construction of column formwork and the construction of the building/ Steel bars are placed on the roof formwork and concrete is poured to form a single-story frame structure building.

The single-story frame structure building may be a one-story building unit or a single-story building. According to the needs of the building structure, the one-story building units can be used as the basis to form multi-layer building units through overlapping to form a multi-storey building (as shown in FIGS. 6A and 6B ).

In one embodiment, the construction method of the frame structure building based on the prefabricated lightweight aggregate concrete space formwork includes the following steps:

(1) Prefabricating multiple column formwork, multiple prefabricated lightweight aggregate concrete-filled large wall panels and multiple building/roof formwork, wherein the production of prefabricated lightweight aggregate concrete-filled large wall panels includes the preparation of lightweight aggregate concrete in the factory Prefabricated lightweight aggregate concrete filled large wall panels 100, including forming the end grooves 130 and the side grooves 140 using a mold, thereby forming the prefabricated lightweight aggregate concrete filled large wall panels 100 with grooves;

(2) Assembling the prefabricated lightweight aggregate concrete-filled large wallboard, which includes placing the prefabricated lightweight aggregate concrete-filled large wallboard 100 on the base surface for assembly at the construction site according to the design requirements, so that the prefabricated lightweight concrete The aggregate concrete filled large wall panel 100 is erected on the base surface (such as a floor) with the second end 120b facing downward, and the side of the prefabricated lightweight aggregate concrete filled large wall panel 100 is connected with the column formwork, Thus, the prefabricated lightweight aggregate concrete filled large wallboards respectively constitute the entire filled wall;

(3) Place the building/roof formwork, which includes placing the building/roof formwork horizontally above the column formwork and the prefabricated lightweight aggregate concrete filling large wallboard 100, forming a structure consisting of the column formwork, the A frame space formwork system composed of the prefabricated lightweight aggregate concrete filled large wall panels 100 and the building/roof formwork;

(4) Form the connection relationship between the wallboard and the wall column, which includes inserting steel bars in the cavity between the prefabricated lightweight aggregate concrete filled large wallboard 100 and the wall column, and inserting steel bars in the cavity Insulating or sealing inserts or injecting suitable insulating or sealing material into the wall, so as to form a composite wall structure including wall panels and wall studs;

(5) Set the channel beam structure in the combined wall structure, including in the combined wall and floor structure, on the top formed by combining the end grooves 130 of the large wall panels 300 filled with the prefabricated lightweight aggregate concrete Reinforcing bars are set in the grooves to form a frame space formwork system with a beam-body reinforcing bar structure; and

(6) pouring concrete, including pouring concrete for the cavity between the wall panel and the wall column and the steel bar of the beam respectively, and pouring concrete on the building/roof formwork at the same time to form a single-layer frame structure architecture.

In another embodiment, according to the needs of the building structure, the above construction method further includes:

(8) Using the single-story frame structure building as a basis, repeat the steps (2) to (6) to form a multi-layer frame structure building.

According to the needs of the building structure, the above-mentioned construction method of the frame structure building based on the prefabricated lightweight aggregate concrete space formwork may further include:

The (1) step of preparing the prefabricated lightweight aggregate concrete to fill the large wallboard also includes: preparing an insulation layer 360 with a groove 365 on its side, the material of which can be heat insulation or flame retardant material; preparing a decorative layer 370; The prefabricated lightweight aggregate concrete filled large wallboard 100, the thermal insulation layer 360 and the decorative layer 370 are sequentially assembled and combined, and appropriate bonding materials are applied between each layer as required, thereby forming a wall panel with thermal insulation layer and The prefabricated lightweight aggregate concrete with grooves of the decorative layer is filled with large wall panels 300;

The step of (2) assembling the prefabricated lightweight aggregate concrete to fill the large wallboard also includes: forming a cavity including the side groove 140 between the wallboard, the wall column and other components, and the insulation between the two wallboards A cavity comprising said groove 365 is formed between the sides of the layer 360;

The step (4) of forming the connection relationship between the wallboard and the wall stud further includes: arranging insulating or sealing inserts or injecting suitable insulating or sealing materials in the cavity.

In the above fabrication and installation methods, the sequence of specific steps can be adjusted appropriately according to actual needs, and in addition, different schemes may be adopted for the connection of components and the laying of steel bars according to the needs of design and construction.

In the description herein, the inventive technology of the present utility model is described as a special shape, material or process sequence, and some detailed parameters are provided for the purpose of illustration for some specific embodiments. However, it should be understood that these specific descriptions do not limit the technical solutions of the present invention; that is to say, changes and modifications related to shapes, materials or process sequences are still included in the spirit and scope of the present invention.

Claims (7)

1. A frame structure building based on prefabricated light aggregate concrete filled with grooves to fill large wall panels, characterized in that it includes a plurality of prefabricated light aggregate concrete filled large walls with grooves that are connected to each other to form a space formwork system that is exempt from dismantling Wall panels, column formwork and floor/roof formwork, where: The prefabricated lightweight aggregate concrete filled large wall panel is prefabricated with lightweight aggregate concrete, and has a first surface and a second surface opposite to it, a first end, a second end opposite to it, and two opposite sides , the first surface and the second surface are parallel to each other, the first end is corresponding to the top of the wallboard, and a An end groove extending along the end surface, and side grooves extending along the side surface are respectively provided on the two sides; The prefabricated lightweight aggregate concrete-filled large wallboard is used as a full-surface filled wall member, and is set to stand on the base surface with the second end facing downward, and the prefabricated lightweight aggregate concrete-filled large wallboard A cavity including the side groove is formed between the side and the column formwork, and the reinforcement members in the cavity are connected to each other, so that a plurality of the prefabricated lightweight aggregate concrete fills the large wallboard and the plurality of the column formwork The frame wall structure is formed through connection; The building/roof formwork is placed horizontally above the column formwork and the prefabricated lightweight aggregate concrete-filled large wall panels, and are connected to each other through the steel bars provided in the end grooves, thereby forming a structure composed of the column formwork , the frame space formwork system formed by the combination of the prefabricated lightweight aggregate concrete filling large wall panels and the building/roof formwork; The space formwork system forms a single-story frame structure building by pouring in-situ concrete on the cavity, the end groove and the base surface. 2. The frame structure building according to claim 1, wherein the prefabricated lightweight aggregate concrete filled large wall panels with grooves further comprise an insulation layer and a decorative layer, wherein the insulation layer is arranged on the second surface , the decorative layer is arranged on the thermal insulation layer, grooves are respectively arranged on both sides of the thermal insulation layer along the longitudinal direction, and the thermal insulation layer of the large wallboard is filled with another prefabricated lightweight aggregate concrete between the grooves The grooves combine to form a cavity. 3. The frame structure building according to claim 2, wherein insulating and sealing materials are inserted or injected into the cavity to improve the sealing performance and thermal insulation effect between adjacent thermal insulation boards. 4. The frame structure building according to claim 1 or 2, wherein the poured concrete is lightweight aggregate concrete or lightweight aggregate concrete mixed with fiber materials. 5. The frame structure building according to claim 1 or 2, wherein the cross-sectional shapes of the end slots and the side slots are each independently trapezoidal, rectangular, arc-shaped, tapered from the inside to the outside trapezoid or triangle. 6. The frame structure building according to claim 1 or 2, wherein the cross-sectional shape of the groove is semicircular, rectangular, trapezoidal or triangular. 7. The frame structure building according to claim 1, wherein the prefabricated lightweight aggregate concrete filled large wall panels become filling walls of the frame structure building.