CN212613041U - Modular ultra-low energy consumption concrete prefabricated building system - Google Patents
Modular ultra-low energy consumption concrete prefabricated building system Download PDFInfo
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- CN212613041U CN212613041U CN202021055003.2U CN202021055003U CN212613041U CN 212613041 U CN212613041 U CN 212613041U CN 202021055003 U CN202021055003 U CN 202021055003U CN 212613041 U CN212613041 U CN 212613041U
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Abstract
A modular ultra-low energy consumption concrete prefabricated building system is formed by connecting modular prefabricated sandwich external wall panels, modular prefabricated ribbed composite heat-insulation floor slabs and modular prefabricated concrete hollow shell internal wall panels into a whole through reinforced concrete cast-in-place wet; the prefabricated sandwich external wall panel consists of an inner leaf wall, a heat insulation layer and an outer leaf wall and is fixed by a metal tie piece with low thermal conductivity coefficient; the width of the prefabricated sandwich external wall panel is multiple of 610 x n-10; the width of the prefabricated ribbed composite heat-insulation floor slab is greater than that of the prefabricated sandwich external wall panel, and the width of the prefabricated concrete hollow shell internal wall panel corresponds to that of the prefabricated sandwich external wall panel one to one. The assembled component can accelerate the on-site construction progress, does not need to install a template or set up a scaffold, can integrate the exterior finish engineering at one time during production, can obviously save the construction period, and improves the engineering quality.
Description
Technical Field
The invention relates to a building, in particular to a modular concrete prefabricated house with ultralow energy consumption.
Background
At present, prefabricated houses which can meet various road transportation requirements and can be constructed in different regions of cities and countryside are more and more popular. However, most of the prefabricated components of the existing prefabricated houses have the defects of heavy weight, low strength, low installation and construction efficiency and the like, and enterprises have own design schemes and production processes, often need to manufacture a large number of different molds, cannot produce in a standardized manner, and cannot achieve product universality.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provide the modular ultra-low energy consumption concrete prefabricated house system which has the characteristics of light weight, high strength, quick installation, low cost and low energy consumption and can meet the requirements of various road transportation and construction in different regions of cities and countryside.
The technical scheme adopted by the invention for solving the technical problems is as follows: a modular ultra-low energy consumption concrete prefabricated building system is formed by connecting modular prefabricated sandwich external wall panels, modular prefabricated ribbed composite heat-insulation floor slabs and modular prefabricated concrete hollow shell internal wall panels into a whole through reinforced concrete cast-in-place wet;
the prefabricated sandwich external wall panel has a sandwich structure consisting of an inner leaf wall, a heat insulation layer and an outer leaf wall, and is fixedly connected into a whole through a metal tie piece with low thermal conductivity coefficient;
the width of the prefabricated sandwich external wall panel is multiple of 610 x n-10, wherein n is a positive integer;
the door and window openings on the prefabricated sandwich external wall panel are composed of door and window lintel walls, windowsill walls and corresponding door and window opening side columns, and the inner and outer leaf walls in the door and window openings are all connected by adopting adiabatic materials;
the lower ends of the inner leaf wall and the outer leaf wall of the prefabricated sandwich external wall panel are respectively provided with a pre-buried threaded sleeve and a tongue-and-groove;
cast-in-place concrete gaps are formed in two sides of the prefabricated sandwich external wall panel, adjacent wall bodies are combined to form a concrete bearing column template-free hollow shell, and the concrete is cast to form an integral bearing structure with the inner leaf wall;
the cast-in-place heat insulation layer of the prefabricated sandwich external wall panel is an EPS heat insulation layer, and the cast-in-place heat insulation layer is formed by compounding at least one layer of vacuum heat insulation plate and an XPS heat insulation plate or/and a PUR heat insulation plate;
the prefabricated sandwich external wall panel is manufactured by adopting a direct-beating production process, the outer leaf wall is upward, and the inner leaf wall is attached to the die table surface;
the inner leaf wall of the prefabricated sandwich external wall panel is provided with polyurethane foam pouring holes, and the heat-insulating layer forms an integral seamless structure after a polyurethane foaming agent is poured.
Furthermore, the thickness of the precast concrete hollow shell inner wall panel is 200mm, and the width of the precast concrete hollow shell inner wall panel corresponds to the width of the precast sandwich outer wall panel one to one.
Further, the prefabricated ribbed composite heat-insulation floor slab comprises an upper panel and a lower panel which are 40-60 mm in thickness, a middle rib beam which is 60-80 mm in width and an EPS heat-insulation layer or an inorganic material heat-insulation layer which is 50-100 mm in thickness, wherein the width of the prefabricated ribbed composite heat-insulation floor slab corresponds to the width of the inner wall panel and the width of the outer wall panel one to one.
Further, the ribbed beam in the prefabricated ribbed composite heat-insulation floor slab comprises stressed steel bars consisting of 1-2 groups of plane truss steel bars; both sides of the prefabricated ribbed composite heat-insulating floor slab are provided with a cast-in-place layer tongue-and-groove and a rough surface.
Furthermore, the external corner width of the prefabricated sandwich external wall panel is 600mm, and the internal corner width is 300 mm.
Further, the thickness of the non-cast-in-place heat insulation layer is 200mm, and the thickness of the cast-in-place heat insulation layer is 50-60 mm.
Compared with the prior art, the invention adopts modular high-heat-preservation-performance prefabricated sandwich external wall panels, modular prefabricated ribbed composite heat-preservation floor slabs and modular prefabricated concrete hollow shell internal wall panels, thereby reducing the mould manufacturing of a prefabrication factory, facilitating the standardized production, realizing the general product and lowering the production cost; the peripheral retaining wall body adopts a thicker heat-insulating layer and related technical means, achieves the building standard of ultra-low energy consumption, and has two functions of heat insulation and sound insulation as the upper floor and the lower floor adopt prefabricated ribbed composite heat-insulating floors; the assembled component can accelerate the on-site construction progress, does not need to install a template or set up a scaffold, can integrate the exterior finish engineering at one time during production, can obviously save the construction period and improve the engineering quality; the assembly type component has light weight and moderate size, can meet the requirements of various road transportation and construction in different urban and rural areas, and is particularly suitable for country villas and novel urbanization construction; all structural nodes are in wet connection of cast-in-place concrete, and the main bearing framework is in the cast-in-place concrete, so that the structure has good integrity, and the defects of poor connection quality, integrity and weak shock resistance of the fabricated concrete structure are overcome; the preferred scheme, assembled prefabricated component size is moderate, and assembly operation is convenient.
Drawings
FIG. 1 is a schematic structural view of a prefabricated sandwich external wall panel according to an embodiment of the present invention;
FIG. 2 is a side view of a prefabricated sandwich external wall panel according to an embodiment of the present invention;
FIG. 3 is a schematic view of a corner structure of a prefabricated sandwich external wall panel according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a prefabricated sandwich external wall panel including a windowsill structure according to an embodiment of the present invention;
FIG. 5 is a front view of a prefabricated sandwich external wall panel including a windowsill structure according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the structure of the prefabricated concrete hollow shell inner wall panel according to the embodiment of the present invention;
FIG. 7 is a schematic structural view of a prefabricated ribbed composite thermal insulation floor slab in the embodiment of the invention;
FIG. 8 is a schematic view of a connection structure of adjacent prefabricated ribbed composite heat-insulating floor slabs in the embodiment of the invention;
FIG. 9 is a schematic view of the connection structure of the prefabricated sandwich external wall panel and the prefabricated concrete hollow shell internal wall panel in the embodiment of the invention;
FIG. 10 is a schematic view of the connection structure of the prefabricated concrete hollow shell inner wall plate and the prefabricated ribbed composite heat-insulating floor slab in the embodiment of the invention.
In the figure: 1. the prefabricated sandwich external wall panel comprises a prefabricated sandwich external wall panel, 2, a prefabricated ribbed composite heat-insulation floor slab, 3, a prefabricated concrete hollow shell internal wall panel, 101, an internal leaf wall, 102, a heat-insulation layer, 103, an external leaf wall, 4, a metal tie piece, 5, a first concrete cast-in-place hole, 6, a second concrete cast-in-place hole, 7, a door and window lintel wall body, 8, a windowsill wall body, 9, a door and window opening side column, 10, an external wall panel column steel reinforcement cage, 1001, an internal wall panel column steel reinforcement cage, 11, a cast-in-place heat-insulation layer, 12, an external facing, 13, a second concrete cast-in-place hole, 201, an upper panel, 202, a lower panel, 203, a middle rib beam, 204 and a floor heat.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 8, in this embodiment, a modular prefabricated sandwich external wall panel 1, a modular prefabricated ribbed composite thermal insulation floor panel 2 and a modular prefabricated concrete hollow shell internal wall panel 3 are connected into a whole by reinforced concrete cast-in-place wet, the prefabricated ribbed composite thermal insulation floor panel 2 is laid on the top ends of the prefabricated sandwich external wall panel 1 and the prefabricated concrete hollow shell internal wall panel 3, the adjacent prefabricated ribbed composite thermal insulation floor panels 2 are connected by concrete, the prefabricated sandwich external wall panel 1 includes three different specifications with widths of 600mm, 900mm and 1210mm, the width of the prefabricated ribbed composite thermal insulation floor panel 2 is greater than the width of the prefabricated sandwich external wall panel 1, and the width of the prefabricated concrete hollow shell internal wall panel 3 corresponds to the width of the prefabricated sandwich external wall panel 1 one by one. The prefabricated sandwich external wall panel 1 with the door and window lintel plate and the window board, which has the widths of 1210mm, 1820mm and 2430mm, is combined and spliced by the prefabricated sandwich external wall panel with one or more specifications according to the design requirement sequence.
The prefabricated sandwich external wall panel 1 is provided with a sandwich structure consisting of an inner leaf wall 101, an insulating layer 102 and an outer leaf wall 103, the thickness of the prefabricated sandwich external wall panel 1 is generally 300mm, wherein the thickness of the inner leaf wall 101 is generally 50mm, the thickness of the insulating layer 102 is generally 100mm, the thickness of the outer leaf wall 103 is generally 50mm, and the inner leaf wall 101, the insulating layer 102 and the outer leaf wall 103 are fixed through a metal tie part 4 with low thermal conductivity; prefabricated sandwich external wall panel 1 still includes door and window lintel wall body 7 and windowsill wall body 8 and the corresponding door and window hole boundary column 9 of the door and window hole of modulization, and the interior outer leaf wall of door and window hole all adopts adiabatic material to connect, and door and window lintel wall body 7 and windowsill wall body 8 width generally divide into three kinds of different specification varieties of 1210mm, 1820mm, 2430mm, and highly generally is 900 mm. The first concrete cast-in-place hole 5 is formed after the adjacent prefabricated sandwich external wall panels 1 are spliced, namely the cast-in-place concrete gaps arranged on two sides of the two adjacent prefabricated sandwich external wall panels are spliced to form the first concrete cast-in-place hole 5, and the upper end and the lower end of each of the inner leaf wall 101 and the outer leaf wall 103 are provided with pre-buried threaded sleeves and tongue-and-grooves (not shown in the figure) for hoisting, connecting and sealing the wall body. The positioning holes at the lower end of the prefabricated sandwich external wall panel 1 are fixed with the foundation layer, the upper end of the prefabricated sandwich external wall panel 1 is fixed between the panels by adopting an upper end connecting piece, the side surface fixation of the prefabricated sandwich external wall panel 1 is the same as the fixation method of a common assembly type wall panel, the distance between two adjacent prefabricated sandwich external wall panels 1 is 10mm, after the prefabricated sandwich external wall panel is spliced, as shown in figure 1, connecting steel bars are reserved at the lower end of a first concrete cast-in-place hole 5 from the foundation layer, an external wall panel column steel bar cage 10 is placed from the upper end of the first concrete cast-in-place hole 5, and the external wall panel column steel bar cage 10 can also be placed at the first concrete cast-in. After a plurality of types and a plurality of modularized prefabricated sandwich external wall panels 1 are installed, the external wall of the whole house is formed.
The non-cast-in-place heat preservation layer part of the prefabricated sandwich external wall panel 1 is an EPS heat preservation layer with the thickness of 200mm, the cast-in-place heat preservation layer 11 is 55mm, and the prefabricated sandwich external wall panel is formed by compounding at least one layer of vacuum heat preservation plate and an XPS heat preservation plate or/and a PUR heat preservation plate, the prefabricated sandwich external wall panel 1 generally adopts a direct-beating production process, an outer leaf wall faces upwards, an inner leaf wall is attached to a mould table board, and components such as a wire box of an inner facing, a ceramic tile of an outer facing 12, a decoration piece and. The inner leaf wall 101 of the prefabricated sandwich external wall panel 1 is provided with polyurethane foam pouring holes (not shown in the figure), and the heat-insulating layer forms an integral seamless structure after being poured with a polyurethane foaming agent.
After the construction is completed, the prefabricated concrete hollow shell inner wall plate 3 is installed. The modularized prefabricated concrete hollow shell inner wall board 3 comprises four different specifications and varieties with the widths of 600mm, 700mm, 900mm and 1210mm respectively, one or more of the inner wall boards are used for combination and splicing according to the design requirement sequence, a positioning hole at the lower end is fixed with a foundation layer, the side surface fixing of the prefabricated concrete hollow shell inner wall board 3 is consistent with the fixing method of a common assembly type wall board, and the distance between two adjacent prefabricated concrete hollow shell inner wall boards 3 is 10 mm. After the two adjacent prefabricated concrete hollow shell interior wall panels 3 are spliced, a second concrete cast-in-place hole 13 is formed, connecting steel bars are reserved at the lower end of the second concrete cast-in-place hole 13 through a foundation layer, an interior wall panel column steel bar cage 1001 is placed from the upper end of the second concrete cast-in-place hole 13, and the interior wall panel column steel bar cage 1001 can also be placed at the position of the second concrete cast-in-place hole 13 and connected with the foundation layer reserved steel bars when the interior wall panels are installed. After a plurality of modular precast concrete hollow shell inner wall boards 3 are installed, the inner wall of the whole house is formed.
And after the construction is finished, the prefabricated ribbed composite heat-insulation floor slab 2 is installed. The prefabricated ribbed composite thermal insulation floor 2 is formed by combining an upper panel 201 and a lower panel 202 which are 50mm thick generally, a middle rib beam 203 which is 70mm wide generally and a floor thermal insulation layer 204 (namely an EPS thermal insulation layer or an inorganic material thermal insulation layer) which is 80mm thick generally. The width of the prefabricated ribbed composite thermal insulation floor slab 2 and the width of the prefabricated sandwich external wall slab form a one-to-one correspondence relationship, and the widths are generally respectively 610mm, 710mm, 910mm and 1220mm in four different specifications; the thickness is generally 160 mm; the middle rib beam 203 of the modular prefabricated ribbed composite heat-insulating floor slab 2 consists of 2 groups of plane truss steel bars to form stressed steel bars; both sides of the modularized prefabricated ribbed composite heat-insulating floor slab 2 are provided with a cast-in-place layer tongue-and-groove and a rough surface (not shown in the figure). The method is the same as the method for building the common fabricated composite floor slab. And carrying out combined close joint splicing on the modular prefabricated ribbed composite heat-insulation floor slabs by using one or more of the heat-insulation floor slabs with different widths according to a design sequence. After two adjacent prefabricated ribbed composite heat-insulating floor slabs are spliced and installed, the connection transition positions of the upper and lower panels are fixedly connected through poured concrete.
And after the construction work is finished, performing on-site binding of the wallboard connecting reinforcement cage and the floor connecting reinforcement cage at the reserved first concrete cast-in-place hole and the reserved second concrete cast-in-place hole. Reference may be made to fig. 9 and 10. The connection mode of the connecting device is in accordance with the relevant construction standard.
In the technical scheme, all modular prefabricated sandwich external wall panels 1, prefabricated concrete hollow shell internal wall panels 3 and prefabricated ribbed composite heat-insulating floor slabs 2 are processed and manufactured in a factory, transported to a construction site after the strength reaches the design requirement, hoisted to a construction position, installed and fixed, placed into a processed reinforcement cage in a cavity formed at a connection transition position, bound by reserved reinforcements at upper and lower floors and finally cast by concrete.
After the construction is finished, the concrete beam and the concrete column are cast in situ, so that the prefabricated sandwich external wall panel, the prefabricated concrete hollow shell internal wall panel and the prefabricated ribbed composite heat-insulation floor slab form an integral structure.
After the above construction is completed, the second and third floors can be constructed in the same manner as described above.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are also within the scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (9)
1. The utility model provides an ultra-low energy consumption concrete prefabricated building system of modulization, by the prefabricated sandwich external wall panel of modulization, the prefabricated ribbed composite insulation floor slab of modulization and the prefabricated concrete hollow shell interior wallboard of modulization through the reinforced concrete cast-in-place wet link into an organic whole, its characterized in that:
the prefabricated sandwich external wall panel is a sandwich structure consisting of an inner leaf wall, a heat insulation layer and an outer leaf wall and is fixed by a metal tie piece with low thermal conductivity coefficient;
the width of the prefabricated sandwich external wall panel is multiple of 610 x n-10;
the door and window openings on the prefabricated sandwich external wall panel are composed of door and window lintel walls, windowsill walls and corresponding door and window opening side columns, and the inner and outer leaf walls in the door and window openings are all connected by adopting adiabatic materials;
the lower ends of the inner leaf wall and the outer leaf wall of the prefabricated sandwich external wall panel are respectively provided with a pre-buried threaded sleeve and a tongue-and-groove;
cast-in-place concrete gaps are formed in two sides of the prefabricated sandwich external wall panel, adjacent wall bodies are combined to form a concrete bearing column template-free hollow shell, and the concrete is cast to form an integral bearing structure with the inner leaf wall;
the cast-in-place heat insulation layer of the prefabricated sandwich external wall panel is an EPS heat insulation layer, and the cast-in-place heat insulation layer is formed by compounding at least one layer of vacuum heat insulation plate and an XPS heat insulation plate or a PUR heat insulation plate;
the prefabricated sandwich external wall panel adopts a direct-beating production process, the outer leaf wall is upward, and the inner leaf wall is attached to the die table surface;
the inner leaf wall of the prefabricated sandwich external wall panel is provided with polyurethane foam pouring holes, and the heat-insulating layer forms an integral seamless structure after a polyurethane foaming agent is poured.
2. The modular ultra-low energy concrete prefabricated building system of claim 1, wherein: the thickness of the precast concrete hollow shell inner wall panel is 200mm, and the width of the precast concrete hollow shell inner wall panel corresponds to the width of the precast sandwich outer wall panel one to one.
3. The modular ultra-low energy consumption concrete prefabricated building system according to claim 1 or 2, characterized in that: the prefabricated ribbed composite heat-insulation floor slab comprises an upper panel and a lower panel which are 40-60 mm in thickness, a middle rib beam which is 60-80 mm in width and an EPS heat-insulation core layer or inorganic material heat-insulation core layer which is 50-100 mm in thickness, wherein the width of the prefabricated ribbed composite heat-insulation floor slab corresponds to the widths of the prefabricated concrete hollow shell inner wall plate and the prefabricated sandwich outer wall plate one by one.
4. The modular ultra-low energy consumption concrete prefabricated building system according to claim 1 or 2, characterized in that: the rib beam in the prefabricated ribbed composite heat-insulation floor slab comprises stressed steel bars consisting of 1-2 groups of plane truss steel bars; both sides of the prefabricated ribbed composite heat-insulating floor slab are provided with a cast-in-place layer tongue-and-groove and a rough surface.
5. The modular ultra-low energy concrete prefabricated building system of claim 3, wherein: the rib beam in the prefabricated ribbed composite heat-insulation floor slab comprises stressed steel bars consisting of 1-2 groups of plane truss steel bars; both sides of the prefabricated ribbed composite heat-insulating floor slab are provided with a cast-in-place layer tongue-and-groove and a rough surface.
6. The modular ultra-low energy consumption concrete prefabricated building system according to claim 1 or 2, characterized in that: the external corner width of the prefabricated sandwich external wall panel is 600mm, and the internal corner width is 300 mm.
7. The modular ultra-low energy consumption concrete prefabricated building system according to claim 1 or 2, characterized in that: the thickness of the non-cast-in-place heat preservation layer is 200mm, and the thickness of the cast-in-place heat preservation layer is 50-60 mm.
8. The modular ultra-low energy concrete prefabricated building system of claim 3, wherein: the thickness of the non-cast-in-place heat preservation layer is 200mm, and the thickness of the cast-in-place heat preservation layer is 50-60 mm.
9. The modular ultra-low energy concrete prefabricated building system of claim 4, wherein: the thickness of the non-cast-in-place heat preservation layer is 200mm, and the thickness of the cast-in-place heat preservation layer is 50-60 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115142553A (en) * | 2022-07-18 | 2022-10-04 | 山东大学 | Multi-layer assembled concrete plate type structure house and installation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142553A (en) * | 2022-07-18 | 2022-10-04 | 山东大学 | Multi-layer assembled concrete plate type structure house and installation method thereof |
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