Low-rise energy-efficient heat-insulated concrete house capable of being rapidly constructed and construction method

Abstract

Disclosed in the present invention are a low-rise energy-efficient heat-insulated concrete house capable of being rapidly constructed and a construction method. The house comprises a concrete foundation, a plurality of prefabricated heat-insulated wall panels, and a plurality of prefabricated heat-insulated roof panels; and when the number of floors is larger than one, the house further comprises a plurality of prefabricated heat-insulated floor panels. Heat-insulated layers in all the prefabricated heat-insulated wall panels and prefabricated heat-insulated roof panels jointly form a continuous heat-insulated structure; and anchoring steel bars are inserted into and concrete is poured into all cavities, through-holes, and cast-in-situ holes to form concealed column structures, and transverse steel bars are provided in and concrete is poured into grooves in the tops and the bottoms of the prefabricated heat-insulated wall panels to form concealed beam structures or foundation connection structures. The concrete foundation, the prefabricated heat-insulated wall panels, and the prefabricated heat-insulated roof panels are fixed together, or the concrete foundation, the prefabricated heat-insulated wall panels, the prefabricated heat-insulated floor panels, and the prefabricated heat-insulated roof panels are fixed together.

Description

A low-rise energy-saving and heat-insulating concrete house that can be quickly constructed and its construction method Technical Field

[0001] The present invention relates to the technical field of concrete energy-saving and heat-insulating buildings, in particular to a low-rise energy-saving and heat-insulating concrete house that can be constructed quickly and a construction method thereof. Background Art

[0002] Prefabricated buildings shift much of the traditional on-site construction work to factories, where building components and accessories (such as floor slabs, wall panels, stairs, and balconies) are manufactured and transported to the construction site for assembly and installation using reliable connections. Prefabricated buildings primarily include prefabricated concrete structures, steel structures, and modern wood structures. They exemplify modern industrialized production methods due to their standardized design, factory-based production, prefabricated construction, information-based management, and intelligent applications.

[0003] CN201611181495.8 discloses a prefabricated concrete wall panel and an assembled building and a construction method thereof, wherein the sides of the prefabricated concrete wall panels with longitudinal side holes are butted together to form a plurality of large wall panels, and the sides of the plurality of large wall panels with longitudinal side holes are butted together to form a wall body; vertical steel mesh or steel cage is provided in the longitudinal holes of the wall body; "L"-shaped cast-in-place columns are provided at the corners of the wall body, and "T"-shaped cast-in-place columns are provided at the "T"-shaped intersections of the wall body; horizontal steel bars are passed through the through holes formed by the transverse holes of two adjacent prefabricated concrete wall panels; the prefabricated concrete wall Horizontal steel bars are passed through the through holes formed by the horizontal holes at the junction of the horizontal holes of the plate and the "L"-shaped cast-in-place columns or "T"-shaped cast-in-place columns, and the passed horizontal steel bars extend into the edges of the "L"-shaped or "T"-shaped cast-in-place columns; the horizontal steel bars passed through the through holes and the horizontal steel bars of the wall of the steel cage in the wall panel form a lap connection that meets the lap connection length required by high-rise buildings; the horizontal steel bars passed through the horizontal holes between the concrete prefabricated wall panel and the "L"-shaped cast-in-place columns or "T"-shaped cast-in-place columns and the horizontal steel bars of the steel cage in the prefabricated wall panel form a lap connection length that meets the requirements of high-rise buildings; concrete is poured in the holes.

[0004] The prefabricated wall panels and prefabricated buildings in the above-mentioned patent application are usually used for high-rise residential buildings and are not suitable for the rapid construction of low-rise houses. Moreover, the prefabricated wall panels do not contain insulation structures, and insulation decorative panels need to be separately installed on the exterior surface of the building after construction is completed.

[0005] Therefore, developing and designing a low-rise energy-saving and heat-insulating concrete house that can be built quickly has become one of the technical problems that need to be solved urgently in this field. Summary of the Invention

[0006] The purpose of the present invention is to provide a low-rise energy-saving and heat-insulating concrete house that can be built quickly and a construction method thereof.

[0007] To achieve the above purpose, the technical solutions adopted by the present invention are as follows:

[0008] A rapidly constructed low-rise energy-saving and heat-insulating concrete house, having 3 or fewer floors, comprising a concrete foundation, a plurality of prefabricated heat-insulating wall panels, and a plurality of prefabricated heat-insulating roof panels. When the number of floors is greater than one, the house further comprises a plurality of prefabricated heat-insulating floor panels. The prefabricated heat-insulating wall panels include L-shaped wall panels and flat wall panels. All the prefabricated heat-insulating wall panels and the heat-insulating layer of the prefabricated heat-insulating roof panels together form a continuous heat-insulating structure.

[0009] The edge of the concrete foundation is provided with a foundation fixing groove for placing the prefabricated insulation wall panel, and the top, bottom, left and right sides of the prefabricated insulation wall panel are all provided with grooves, and the grooves of two adjacent prefabricated insulation wall panels are connected to form a cavity. Anchor steel bars are pre-embedded in the concrete foundation, and one end of the anchor steel bar extends vertically upward into the cavity; the upper end of the cavity is opposite to the through hole on the prefabricated insulation floor slab or prefabricated insulation roof panel, and an anchor steel bar is inserted into the cavity;

[0010] The upper surface and lower surface of the prefabricated thermal insulation floor slab and the lower surface of the prefabricated thermal insulation roof slab are provided with wall panel fixing grooves for placing prefabricated thermal insulation wall panels;

[0011] All prefabricated insulation wall panels have transverse steel bars inserted into the grooves at the top and bottom;

[0012] According to the construction design requirements, the prefabricated insulation wall panels can also be provided with longitudinal concrete ribs, in which cast-in-place holes are provided. The cast-in-place holes are opposite to the through holes on the prefabricated insulation floor slabs or prefabricated insulation roof panels and have anchor steel bars inserted therein.

[0013] Furthermore, the prefabricated thermal insulation wall panels are composed of a concrete outer wall panel, an insulation layer, and a concrete inner wall panel from the outside to the inside, wherein the thickness of the insulation layer is greater than that of the concrete outer wall panel and the concrete inner wall panel; the thickness of the concrete outer wall panel and the concrete inner wall panel is ≤40 cm; the concrete outer wall panel and the concrete inner wall panel are both provided with steel mesh, and the prefabricated thermal insulation wall panel is pre-embedded with a plurality of evenly distributed non-metallic embedded fixings, and the ends of the non-metallic embedded fixings are respectively fixed to the steel mesh in the concrete outer wall panel and the concrete inner wall panel;

[0014] Thickened portions are formed on the upper, lower, left, and right edges of the concrete exterior wall panels and the concrete interior wall panels, and the inner side surfaces of the thickened portions contract toward the middle of the prefabricated thermal insulation wall panels, so that the thickness of the concrete exterior wall panels and the concrete interior wall panels at the thickened portions increases. The end surfaces of the thickened portions of the concrete exterior wall panels are inclined; and the angle between the inclined surfaces and the outer side surfaces of the concrete exterior wall panels is an obtuse angle.

[0015] The top and bottom of the prefabricated thermal insulation wall panel are both provided with grooves along the direction of the wall panel, and the left and right ends of the prefabricated thermal insulation wall panel are both provided with grooves in the vertical direction; the inner width of the vertical groove between the thickened portion on the upper edge and the thickened portion on the lower edge of the concrete inner wall panel is greater than the outer width; a plurality of non-metallic pre-embedded fixings uniformly distributed in the vertical direction and passing through the grooves are pre-embedded between the thickened portion on the left edge of the concrete outer wall panel and the opposite concrete inner wall panel, and a plurality of non-metallic pre-embedded fixings uniformly distributed in the vertical direction and passing through the grooves are pre-embedded between the thickened portion on the right edge of the concrete outer wall panel and the opposite concrete inner wall panel;

[0016] The two grooves of two adjacent prefabricated insulation wall panels are butted together to form a cavity, wherein anchor steel bars and U-shaped steel bars are inserted into the cavity, and the U-shaped steel bars are inserted from top to bottom to fix the non-metallic embedded fixings in the two grooves;

[0017] All cavities, through holes and cast-in-place holes are poured with concrete to form a hidden column structure, and the grooves at the top and bottom of the prefabricated insulation wall panels are poured with concrete to form a hidden beam structure or a foundation connection structure. The concrete foundation, prefabricated insulation wall panels and prefabricated insulation roof panels are fixed together, or the concrete foundation, prefabricated insulation wall panels, prefabricated insulation floor slabs and prefabricated insulation roof panels are fixed together; the height of the concrete poured in the prefabricated insulation roof panels is flush with the height of the concrete ribs of the roof panels, and insulation filling blocks are placed above the poured concrete to form an insulation continuous structure with the insulation layer in the prefabricated insulation roof panels.

[0018] Furthermore, a plurality of foundation ribs are evenly distributed on the bottom surface of the concrete foundation, and the thickness of the foundation ribs and the left and right edges of the concrete foundation are equal and greater than the thickness of the remaining parts; the concrete foundation is made of cast-in-place concrete or spliced ​​from prefabricated concrete foundation plates, and the concrete foundation contains a steel mesh.

[0019] Furthermore, one or more concrete ribs may be provided on the concrete inner wall panel of the prefabricated insulation wall panel, and the top surface of the concrete rib is flush with the bottom surface of the groove at the top of the prefabricated insulation wall panel; the bottom surface of the concrete rib is flush with the bottom surface of the groove at the bottom of the prefabricated insulation wall panel; longitudinal cast-in-place holes are provided in the concrete rib, and one end of a part of the anchoring steel bars in the concrete foundation extends vertically upward into the cast-in-place hole, and the cast-in-place hole is opposite to the through hole of the prefabricated insulation floor slab or the prefabricated insulation roof panel.

[0020] Furthermore, the upper and lower, left and right, front and back surfaces of the prefabricated thermal insulation roof panel are all concrete outer panels containing steel mesh, with an insulation layer wrapped in the middle, the thickness of the insulation layer is greater than the thickness of the concrete outer panel, and the thickness of the concrete outer panel is ≤40cm; the prefabricated thermal insulation roof panel is pre-embedded with a plurality of evenly distributed non-metallic embedded fixings, the two ends of the non-metallic embedded fixings are respectively fixed to the steel mesh in the upper and lower concrete outer panels, and the edge of the steel mesh in the lower concrete outer panel is connected to the steel truss; the height of the steel truss in the prefabricated thermal insulation roof panel is less than the height of the insulation layer; a plurality of evenly distributed roof panel concrete ribs are provided on the lower concrete outer panel, and the height of the roof panel concrete ribs is equal to the height of the steel truss in the prefabricated thermal insulation roof panel; the prefabricated thermal insulation roof panel is provided with a plurality of through holes that are directly opposite to the cavity or the cast-in-place holes; the length of the prefabricated thermal insulation roof panel is ≤12m.

[0021] Furthermore, the upper and lower, left and right, front and back surfaces of the prefabricated insulated floor slab are all concrete outer panels containing steel mesh, with an insulation layer wrapped in the middle, the thickness of the insulation layer is greater than the thickness of the concrete outer panel, and the thickness of the concrete outer panel is ≤40cm; the prefabricated insulated roof panel is pre-embedded with a plurality of evenly distributed non-metallic embedded fixings, the two ends of the non-metallic embedded fixings are respectively fixed to the steel mesh of the upper and lower concrete outer panels, and the edges of the steel mesh in the upper and lower concrete outer panels are connected together by steel trusses; the prefabricated insulated floor slab is provided with a plurality of floor slab concrete ribs evenly distributed along the length direction, and the floor slab concrete ribs divide the insulation layer into multiple parts; the prefabricated insulated floor slab is provided with a plurality of through holes that are directly opposite to the cavity or the cast-in-place hole; the length of the prefabricated insulated floor slab is ≤12m.

[0022] Furthermore, the inner side of the groove is a concrete inner wall panel, and the outer side is an insulation layer; the upper, lower, left and right edges of the concrete outer wall panel, the insulation layer and the concrete inner wall panel are all flush with each other.

[0023] Furthermore, the concrete inner wall panel of the L-shaped wall panel extends into the interior of the insulation layer at the corner to form a corner column, and the top surface of the corner column is flush with the bottom surface of the groove at the top of the L-shaped wall panel; the bottom surface of the corner column is flush with the bottom surface of the groove at the bottom of the L-shaped wall panel; a longitudinal cast-in-place hole is provided in the corner column, and the cast-in-place hole is opposite to the through hole on the prefabricated insulation floor slab or the prefabricated insulation roof panel, and anchor steel bars are inserted and concrete is poured.

[0024] Furthermore, the cross section of the groove located between the thickened portion on the left edge and the thickened portion on the right edge of the concrete inner wall panel is rectangular; the thickness of the insulation layer is 20~50cm.

[0025] Furthermore, the prefabricated thermal insulation roof panels are arranged horizontally, inclined or in a herringbone shape.

[0026] The construction method of the low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to the present invention specifically comprises: preparing a concrete foundation and pre-embedding anchor steel bars or splicing multiple precast concrete foundation slabs with pre-embedded anchor steel bars to obtain a concrete foundation; laying transverse steel bars in the center of the foundation fixing groove; and hoisting the precast heat-insulating wall panels into place in sequence; inserting U-shaped steel bars into the cavity enclosed by two adjacent precast heat-insulating wall panels; inserting anchor steel bars into the cast-in-place holes of the precast heat-insulating wall panels; and laying transverse steel bars in the grooves at the tops of the precast heat-insulating wall panels;

[0027] When the building has only one storey, the prefabricated insulated roof panels are hoisted into place in sequence, anchoring steel bars are inserted into the through holes, and cast-in-place concrete is poured into all cavities, grooves, through holes, and cast-in-place holes. The height of the concrete poured in the prefabricated insulated roof panels is flush with the height of the concrete ribs of the roof panels. Insulation filling blocks are placed above the poured concrete to form a continuous insulation structure with the insulation layer of the prefabricated insulated roof panels. Caulking glue is squeezed into all joints.

[0028] When the building has two or three floors, continue to hoist the prefabricated insulation floor slabs into place in sequence, insert anchor steel bars in the through holes, and pour cast-in-place concrete in all cavities, grooves, through holes and cast-in-place holes; then lay transverse steel bars in the wall panel fixing grooves on the upper surface of the prefabricated insulation floor slabs, and continue to hoist the upper prefabricated insulation wall panels into place in sequence; insert U-shaped steel bars into the cavity enclosed by two adjacent prefabricated insulation wall panels, insert anchor steel bars in the cast-in-place holes of the prefabricated insulation wall panels, and lay transverse steel bars in the grooves on the top of the prefabricated insulation wall panels. transverse reinforcement; repeat the construction in this order until the installation of all prefabricated insulated wall panels and prefabricated insulated floor slabs is completed; finally, the prefabricated insulated roof panels are hoisted into place in sequence, anchoring steel bars are inserted into the through holes, and cast-in-place concrete is poured in all cavities, grooves, through holes and cast-in-place holes; the height of the concrete poured in the prefabricated insulated roof panels is flush with the height of the concrete ribs of the roof panels, and insulation filling blocks are placed above the poured concrete to form an insulation continuous structure with the insulation layer in the prefabricated insulated roof panels; filler is squeezed into all joints.

[0029] Compared with the prior art, the outstanding effects of the present invention are:

[0030] (1) The low-rise energy-saving and heat-insulating concrete house of the present invention is suitable for building one to three-story houses. It can be built quickly, with a construction period of only 3 to 10 days and low cost.

[0031] (2) The wall panels, floor panels and roof panels of the entire house all contain insulation layers, especially the insulation layers of all prefabricated insulation wall panels and prefabricated insulation roof panels together form a continuous insulation structure, ensuring full insulation coverage and significant energy-saving effects; and the thickness of the insulation layer is greater than the thickness of the thin concrete outer panels, and the overall self-weight of the house is much less than the weight of a concrete house built using existing technology, which is low in cost and more cost-effective.

[0032] (3) The prefabricated thermal insulation wall panels, prefabricated thermal insulation roof panels, and prefabricated thermal insulation floor panels used in the present invention are all standardized components. Their structure and dimensions can be customized to standard standards, making them easy to promote and apply domestically and internationally. The embedded fixings used in the present invention are all made of non-metallic materials (FRP fiber reinforced composite materials), avoiding the thermal bridge effect caused by metal embedded fixings and ensuring the thermal insulation effect of the entire house.

[0033] (4) In the present invention, the inner width of the vertical groove between the thickened portion at the upper edge and the thickened portion at the lower edge of the concrete inner wall panel is greater than the outer width. After pouring concrete into the cavity enclosed by the grooves of two adjacent wall panels, it is ensured that the concrete is firmly connected to the prefabricated insulation wall panel after solidification.

[0034] (5) The edges of the concrete outer wall panels and the concrete inner wall panels of the prefabricated thermal insulation wall panels used in the present invention are formed with thickened portions, ensuring that the edges of the concrete outer wall panels and the inner wall panels are not easily damaged by bumps; and pre-embedded fixings are pre-embedded in the grooves on the left and right sides of the prefabricated thermal insulation wall panels. By inserting U-shaped steel bars, the pre-embedded fixings of the two wall panels are tightly locked, further ensuring the stability of the connection structure between the two adjacent wall panels.

[0035] (6) All the cavities, through holes and cast-in-place holes of the house of the present invention are inserted with anchoring steel bars, and then poured with concrete to form a hidden column structure; transverse steel bars are provided in the grooves at the top and bottom of the prefabricated insulation wall panels, and concrete is poured to form a hidden beam structure or a foundation connection structure, which fixes the concrete foundation, prefabricated insulation wall panels and prefabricated insulation roof panels together, or fixes the concrete foundation, prefabricated insulation wall panels, prefabricated insulation floor slabs and prefabricated insulation roof panels together, thereby ensuring the stability of the structure.

[0036] (7) The L-shaped wall panels used in the present invention are provided with cast-in-place holes, which can be used to insert anchoring steel bars and cast-in-place concrete to form a hidden column structure, ensuring balanced force and a stable building structure. According to the force requirements of different houses, the present invention can also add one or more evenly distributed cast-in-place holes in the middle of the flat wall panels, into which anchoring steel bars can be inserted and concrete can be cast-in-place to form a hidden column structure, ensuring balanced force and a stable building structure.

[0037] (8) The prefabricated thermal insulation roof panel of the present invention has a large span and a length of ≤12m. It adopts a structure in which a concrete outer panel is covered with an insulation layer. There is no need to add load-bearing inner walls for support, ensuring that the load requirements such as wind load and snow load are met.

[0038] (9) The prefabricated insulation floor slab of the present invention has a large span and a length of ≤12m. It adopts a structure of concrete outer plate and floor slab concrete ribs and a covering insulation layer. It does not need to add load-bearing inner walls for support and can meet the load-bearing requirements.

[0039] The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed and the construction method of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] FIG1 is a main cross-sectional view of a low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to the present invention (a two-story house with an obliquely arranged roof panel).

[0041] FIG2 is a top perspective view of a low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to the present invention.

[0042] FIG3 is a top view of a planar wall panel.

[0043] FIG4 is a horizontal cross-sectional view of a flat wall panel.

[0044] FIG5 is a top view of the L-shaped wall panel.

[0045] FIG6 is a horizontal cross-sectional view of an L-shaped wall panel.

[0046] FIG. 7 is a cross-sectional view taken along line “AA” in FIG. 4 .

[0047] FIG8 is a side view of a planar wall panel.

[0048] FIG9 is a cross-sectional view taken along line BB of FIG4 .

[0049] FIG10 is a longitudinal cross-sectional view of the prefabricated thermal insulation floor slab along the length direction.

[0050] Figure 11 is a horizontal cross-sectional view of the prefabricated insulated floor slab.

[0051] FIG12 is a cross-sectional view taken along line “CC” in FIG11 .

[0052] FIG13 is a longitudinal cross-sectional view of a horizontally arranged prefabricated thermal insulation roof panel along the length direction.

[0053] FIG14 is a horizontal cross-sectional view of a horizontally arranged prefabricated thermal insulation roof panel.

[0054] FIG15 is a cross-sectional view of the steel trusses of the horizontally arranged prefabricated thermal insulation roof panel.

[0055] FIG16 is a longitudinal cross-sectional view of the prefabricated thermal insulation floor slab along the width direction.

[0056] FIG17 is a longitudinal cross-sectional view of the prefabricated thermal insulation roof panel along the width direction.

[0057] Figure 18 is a longitudinal section view of the connection between two adjacent left and right wall panels and the concrete foundation.

[0058] Figure 19 is a longitudinal section view of the connection between two adjacent wall panels on the left and right and the floor slab.

[0059] FIG20 is a longitudinal cross-sectional view of the connection between two adjacent left and right wall panels and a horizontally arranged roof panel.

[0060] FIG21 is a horizontal cross-sectional view of the connection between the L-shaped wall panel and the flat wall panel.

[0061] FIG22 is a horizontal cross-sectional view of the connection between two adjacent planar wall panels.

[0062] FIG23 is a longitudinal section of a prefabricated thermal insulation roof panel arranged obliquely.

[0063] FIG24 is a main cross-sectional view of a low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to the present invention (a two-story house with a horizontally arranged roof panel).

[0064] FIG25 is a main cross-sectional view of a low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to the present invention (a one-story house with a roof panel arranged in a "human" shape).

[0065] Among them, 1-concrete foundation, 2-prefabricated insulated wall panels, 3-prefabricated insulated floor panels, 4-prefabricated insulated roof panels, 5-caulking glue;

[0066] 21-L-shaped wall panel, 22-flat wall panel, 23-concrete exterior wall panel, 24-concrete interior wall panel, 25-insulation layer, 26-concrete rib, 27-non-metallic embedded fixings, 28-cast-in-place hole, 29-groove, 30-reinforcement mesh;

[0067] 231- inclined surface, 232- thickened portion, 241- corner column;

[0068] 31 - concrete outer panel, 32 - wall panel fixing groove, 33 - through hole, 34 - floor slab concrete rib, 35 - steel truss; 36 - roof panel concrete rib; 37 - thermal insulation filling block;

[0069] 101-foundation fixing groove, 102-anchor steel bar, 103-U-shaped steel bar, 104-cast-in-place concrete, 105-transverse steel bar. DETAILED DESCRIPTION

[0070] The following describes an embodiment of the present invention with reference to the accompanying drawings, and further describes in detail the specific embodiments of the present invention, such as the shape, structure, relative positions and connection relationships between the various components involved, the functions and working principles of the various components.

[0071] As shown in Figures 2-22 and 24, taking a two-story house as an example, a low-rise energy-saving and heat-insulating concrete house that can be quickly constructed includes a concrete foundation 1, multiple prefabricated heat-insulating wall panels 2, multiple prefabricated heat-insulating roof panels 4, and multiple prefabricated heat-insulating floor slabs 3. The prefabricated heat-insulating wall panels 2 include L-shaped wall panels 21 and flat wall panels 22. All prefabricated heat-insulating wall panels 2 and the insulation layer in the prefabricated heat-insulating roof panels 4 together form a continuous heat-insulating structure.

[0072] The edge of the concrete foundation 1 is provided with a foundation fixing groove 101 for placing the prefabricated insulation wall panel 2, and the top, bottom, left and right sides of the prefabricated insulation wall panel 2 are provided with grooves 29. The grooves 29 of two adjacent prefabricated insulation wall panels 2 are connected to form a cavity. Anchor steel bars 102 are pre-embedded in the concrete foundation 1, and one end of the anchor steel bar 102 extends vertically upward into the cavity; the upper end of the cavity is opposite to the through hole 33 on the prefabricated insulation floor slab 3 or the prefabricated insulation roof panel 4, and the anchor steel bar 102 is inserted into the cavity;

[0073] The upper and lower surfaces of the prefabricated thermal insulation floor slab 3 and the lower surface of the prefabricated thermal insulation roof slab 4 are provided with wall panel fixing grooves 32 for placing the prefabricated thermal insulation wall panels 2;

[0074] Transverse steel bars 105 are inserted into the grooves 29 at the top and bottom of all prefabricated thermal insulation wall panels 2;

[0075] According to the construction design requirements, the prefabricated insulation wall panel 2 can also be provided with longitudinal concrete ribs, and the concrete ribs are provided with cast-in-place holes. The cast-in-place holes are opposite to the through holes 33 on the prefabricated insulation floor slab 3 or the prefabricated insulation roof panel 4, and anchor steel bars 102 are inserted.

[0076] There are multiple foundation ribs evenly distributed on the bottom surface of the concrete foundation 1. The thickness of the foundation ribs and the left and right edges of the concrete foundation 1 is equal and greater than the thickness of the rest of the parts; the concrete foundation 1 is made of cast-in-place concrete or spliced ​​from prefabricated concrete foundation plates with a width of 1m, and the concrete foundation 1 contains a steel mesh.

[0077] The prefabricated insulation wall panel 2 comprises, from the outside to the inside, a concrete outer wall panel 23, an insulation layer 25, and a concrete inner wall panel 24. The thickness of the insulation layer 25 is greater than that of the concrete outer wall panel 23 and the concrete inner wall panel 24. The thickness of the concrete outer wall panel 23 and the concrete inner wall panel 24 is ≤ 40 cm. A steel mesh 30 is provided in each of the concrete outer wall panel 23 and the concrete inner wall panel 24. A plurality of evenly distributed non-metallic embedded fixings 27 are pre-embedded in the prefabricated insulation wall panel 2. The ends of the non-metallic embedded fixings 27 are respectively fixed to the steel mesh 30 in the concrete outer wall panel 23 and the concrete inner wall panel 24.

[0078] Thickened portions 232 are formed on the upper, lower, left, and right edges of the concrete exterior wall panel 23 and the concrete interior wall panel 24. The inner side surfaces of the thickened portions 232 shrink toward the middle of the prefabricated thermal insulation wall panel 2, so that the thickness of the concrete exterior wall panel 23 and the concrete interior wall panel 24 at the thickened portions 24 increases. The end surface of the thickened portion 232 of the concrete exterior wall panel 23 is an inclined surface 231. The angle between the inclined surface 231 and the outer side surface of the concrete exterior wall panel 23 is an obtuse angle.

[0079] The top and bottom of the prefabricated thermal insulation wall panel 2 are provided with grooves 29 along the direction of the wall panel, and the left and right ends of the prefabricated thermal insulation wall panel 2 are provided with grooves 29 in the vertical direction; the inner width of the vertical groove 29 between the thickened portion 232 at the upper edge and the thickened portion 232 at the lower edge of the concrete inner wall panel 24 is greater than the outer width; a plurality of non-metallic embedded fixings 27 uniformly distributed in the vertical direction and passing through the grooves 29 are pre-embedded between the thickened portion 232 at the left edge of the concrete outer wall panel 23 and the opposite concrete inner wall panel 24; a plurality of non-metallic embedded fixings 27 uniformly distributed in the vertical direction and passing through the grooves 29 are pre-embedded between the thickened portion 232 at the right edge of the concrete outer wall panel 23 and the opposite concrete inner wall panel 24;

[0080] The two grooves 29 of two adjacent prefabricated insulation wall panels 2 are connected to form a cavity, and the anchor steel bars 102 and U-shaped steel bars 103 are inserted into the cavity. The U-shaped steel bars 103 are inserted from top to bottom to fix the non-metallic embedded fixing parts 27 in the two grooves 29.

[0081] All cavities, through holes 33 and cast-in-place holes are poured with concrete to form a hidden column structure, and the grooves 29 at the top and bottom of the prefabricated insulation wall panels 2 are poured with concrete to form a hidden beam structure or a foundation connection structure, fixing the concrete foundation 1, prefabricated insulation wall panels 2 and prefabricated insulation roof panels 4 together, or fixing the concrete foundation 1, prefabricated insulation wall panels 2, prefabricated insulation floor panels 3 and prefabricated insulation roof panels 4 together; the height of the concrete poured in the prefabricated insulation roof panels 4 is flush with the height of the roof panel concrete ribs 36, and an insulation filling block 37 is placed above the poured concrete to form an insulation continuous structure with the insulation layer 25 in the prefabricated insulation roof panels 4.

[0082] According to the stress requirements of the house, one or more concrete ribs 26 may be provided on the concrete inner wall panel 24 of the prefabricated insulation wall panel 2, and the top surface of the concrete rib 26 is flush with the bottom surface of the groove 29 at the top of the prefabricated insulation wall panel 2; the bottom surface of the concrete rib 26 is flush with the bottom surface of the groove 29 at the bottom of the prefabricated insulation wall panel 2; a longitudinal cast-in-place hole 28 is provided in the concrete rib 26, and one end of a part of the anchoring steel bar 102 in the concrete foundation 1 extends vertically upward into the cast-in-place hole 28, and the cast-in-place hole 28 is opposite to the through hole 33 on the prefabricated insulation floor slab 3 or the prefabricated insulation roof panel 4.

[0083] The upper and lower, left and right, front and back surfaces of the prefabricated insulated roof panel 4 are all concrete outer panels 31 containing steel mesh, with an insulation layer 25 wrapped in the middle. The thickness of the insulation layer 25 is greater than the thickness of the concrete outer panel 31, and the thickness of the concrete outer panel 31 is ≤40 cm; the prefabricated insulated roof panel 4 is pre-embedded with a plurality of evenly distributed non-metallic embedded fixings 27, the two ends of which are respectively fixed to the steel mesh in the upper and lower concrete outer panels 31, and the edge of the steel mesh in the lower concrete outer panel 31 is connected to the steel truss 35. The height of the steel truss 35 in the prefabricated insulated roof panel 4 is less than the height of the insulation layer 25; the lower concrete outer panel 31 is provided with a plurality of evenly distributed roof panel concrete ribs 36, the height of the roof panel concrete ribs 36 is equal to the height of the steel truss 35 in the prefabricated insulated roof panel 4; the prefabricated insulated roof panel 4 is provided with a plurality of through holes 33 that are directly opposite to the cavity or the cast-in-place holes 28. The length of the prefabricated thermal insulation roof panel 4 is ≤12m.

[0084] The upper and lower, left and right, and front and back surfaces of the prefabricated insulated floor slab 3 are all made of concrete outer panels 31 containing steel mesh, with an insulation layer 25 wrapped in the middle. The insulation layer 25 is thicker than the concrete outer panels 31, and the thickness of the concrete outer panels 31 is ≤40 cm. The prefabricated insulated roof panels 4 are pre-embedded with multiple, evenly distributed non-metallic pre-embedded fasteners 27. The ends of these non-metallic pre-embedded fasteners 27 are respectively fixed to the steel mesh in the upper and lower concrete outer panels 31. The edges of the steel mesh in the upper and lower concrete outer panels 31 are connected together by steel trusses 35. The prefabricated insulated floor slab 3 is equipped with multiple floor concrete ribs 34 evenly distributed along its length, which divide the insulation layer 25 into multiple sections. The prefabricated insulated floor slab 3 is provided with multiple through-holes 33 that directly correspond to the cavities or cast-in-place holes 28. The length of the prefabricated insulated floor slab 3 is ≤12 m.

[0085] The inner side of the groove 29 is the concrete inner wall panel 24, and the outer side is the insulation layer 25; the upper, lower, left and right edges of the concrete outer wall panel 23, the insulation layer 25 and the concrete inner wall panel 24 are all flush with each other.

[0086] The concrete inner wall panel 24 of the L-shaped wall panel 21 extends into the insulation layer 25 at the corner to form a corner column 241, and the top surface of the corner column 241 is flush with the bottom surface of the groove 29 at the top of the L-shaped wall panel 21; the bottom surface of the corner column 241 is flush with the bottom surface of the groove 29 at the bottom of the L-shaped wall panel 21; a longitudinal cast-in-place hole 28 is provided in the corner column 241, and the cast-in-place hole 28 is opposite to the through hole 33 on the prefabricated insulation floor slab 3 or the prefabricated insulation roof panel 4, and is inserted with anchor steel bars 102 and poured with concrete.

[0087] The cross section of the groove 29 located between the thickened portion 232 at the left edge and the thickened portion 232 at the right edge of the concrete inner wall panel 24 is rectangular; the thickness of the thermal insulation layer 25 is 20-50 cm.

[0088] As shown in Figure 24, the prefabricated insulated roof panels 4 are arranged horizontally. In other embodiments, they can also be arranged in an inclined manner as shown in Figures 1 and 23, or in a herringbone arrangement as shown in Figure 25. When using an inclined or herringbone arrangement of prefabricated insulated roof panels, the prefabricated insulated wall panels on the front and rear sides of the house are spliced ​​using rectangular panels, while the prefabricated insulated wall panels on the left and right sides are spliced ​​using right-angled trapezoidal panels.

[0089] The non-metal embedded fixing member 27 is made of FRP fiber reinforced composite material.

[0090] According to design requirements, the prefabricated thermal insulation wall panel 2 can be provided with door openings or window openings.

[0091] The construction method of the low-rise energy-saving and heat-insulating concrete house that can be quickly constructed specifically comprises the following steps: preparing a concrete foundation 1 and pre-embedding anchoring steel bars 102 or splicing multiple prefabricated concrete foundation slabs with pre-embedded anchoring steel bars 102 to obtain the concrete foundation 1; laying transverse steel bars 105 in the center of a foundation fixing groove 101; and hoisting prefabricated heat-insulating wall panels 2 into place in sequence; inserting U-shaped steel bars 103 into the cavity enclosed by two adjacent prefabricated heat-insulating wall panels 2; inserting anchoring steel bars 102 into cast-in-place holes 28 of the prefabricated heat-insulating wall panels 2; and laying transverse steel bars 105 in the grooves at the tops of the prefabricated heat-insulating wall panels 2.

[0092] When the building has only one floor, the prefabricated thermal insulation roof panels 4 are hoisted into place in sequence, anchoring steel bars 102 are inserted into the through holes 33, and cast-in-place concrete 104 is poured into all cavities, grooves 29, through holes 33, and cast-in-place holes 28; the height of the concrete poured in the prefabricated thermal insulation roof panels 4 is flush with the height of the roof panel concrete ribs 36, and thermal insulation filling blocks 37 are placed above the poured concrete to form a continuous thermal insulation structure with the thermal insulation layer 25 in the prefabricated thermal insulation roof panels 4; and caulking glue 5 is squeezed into all joints;

[0093] When the number of floors of a house is two or three, the prefabricated insulation floor slabs 3 are hoisted into place in sequence, anchoring steel bars 102 are inserted into the through holes 33, and cast-in-place concrete 104 is poured in all cavities, grooves 29, through holes 33 and cast-in-place holes 28; then transverse steel bars 105 are laid in the wall panel fixing grooves 32 on the upper surface of the prefabricated insulation floor slabs 3, and the prefabricated insulation wall panels 2 on the upper layer are hoisted into place in sequence; U-shaped steel bars 103 are inserted into the cavities enclosed by two adjacent prefabricated insulation wall panels 2, anchoring steel bars 102 are inserted into the cast-in-place holes 28 of the prefabricated insulation wall panels 2, and transverse steel bars 105 are laid in the wall panel fixing grooves 32 on the upper surface of the prefabricated insulation wall panels 3. Lay transverse steel bars 105; repeat the construction in this order until the installation of all prefabricated insulated wall panels 2 and prefabricated insulated floor panels 3 is completed; finally, the prefabricated insulated roof panels 4 are hoisted into place in sequence, anchor steel bars 102 are inserted into the through holes 33, and cast-in-place concrete 104 is poured into all cavities, grooves 29, through holes 33 and cast-in-place holes 28; the height of the concrete poured in the prefabricated insulated roof panels 4 is flush with the height of the roof panel concrete ribs 36, and insulation filling blocks 37 are placed above the poured concrete to form an insulation continuous structure with the insulation layer 25 in the prefabricated insulated roof panels 4; filler 5 is squeezed into all joints.

[0094] The embodiments described above are merely descriptions of preferred implementations of the present invention and are not intended to limit the scope of the present invention. Without departing from the spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention. Industrial Applicability

[0095] The low-rise energy-saving and heat-insulating concrete house of the present invention is suitable for houses with one to three floors and can be quickly constructed. The wall panels, floor panels and roof panels of the entire house all contain insulation layers. In particular, the insulation layers of all prefabricated insulation wall panels and prefabricated insulation roof panels together form a continuous insulation structure, ensuring full insulation coverage, significant energy-saving effects, and good practicality.

Claims

1. A low-rise, energy-saving, and heat-insulating concrete house that can be quickly constructed, characterized by: The number of floors of the house is ≤3; it comprises a concrete foundation (1), a plurality of prefabricated thermal insulation wall panels (2) and a plurality of prefabricated thermal insulation roof panels (4); when the number of floors is greater than 1, it further comprises a plurality of prefabricated thermal insulation floor panels (3); the prefabricated thermal insulation wall panels (2) comprise L-shaped wall panels (21) and flat wall panels (22); all the prefabricated thermal insulation wall panels (2) and the thermal insulation layer in the prefabricated thermal insulation roof panels (4) together form a continuous thermal insulation structure; The edge of the concrete foundation (1) is provided with a foundation fixing groove (101) for placing the prefabricated thermal insulation wall panel (2), the top, bottom, left side and right side of the prefabricated thermal insulation wall panel (2) are all provided with grooves (29), and the grooves (29) of two adjacent prefabricated thermal insulation wall panels (2) on the left and right are butted together to form a cavity, and an anchoring steel bar (102) is pre-embedded in the concrete foundation (1), and one end of the anchoring steel bar (102) extends vertically upward into the cavity; the upper end of the cavity is opposite to the through hole (33) on the prefabricated thermal insulation floor panel (3) or the prefabricated thermal insulation roof panel (4), and the anchoring steel bar (102) is inserted into the cavity; The upper surface and lower surface of the prefabricated thermal insulation floor slab (3) and the lower surface of the prefabricated thermal insulation roof slab (4) are both provided with wall panel fixing grooves (32) for placing the prefabricated thermal insulation wall panels (2); Transverse steel bars (105) are inserted into the grooves (29) at the top and bottom of all prefabricated thermal insulation wall panels (2); According to the construction design requirements, the prefabricated thermal insulation wall panel (2) may also be provided with longitudinal concrete ribs, wherein the concrete ribs are provided with cast-in-place holes, the cast-in-place holes being aligned with the through holes (33) on the prefabricated thermal insulation floor panel (3) or the prefabricated thermal insulation roof panel (4), and having anchoring steel bars (102) inserted therein; The prefabricated thermal insulation wall panel (2) comprises, from the outside to the inside, a concrete outer wall panel (23), an insulation layer (25), and a concrete inner wall panel (24); the thickness of the insulation layer (25) is greater than the thickness of the concrete outer wall panel (23) and the concrete inner wall panel (24); the thickness of the concrete outer wall panel (23) and the concrete inner wall panel (24) is ≤40 cm; the concrete outer wall panel (23) and the concrete inner wall panel (24) are both provided with steel mesh (30); the prefabricated thermal insulation wall panel (2) is pre-embedded with a plurality of uniformly distributed non-metallic pre-embedded fixings (27); the two ends of the non-metallic pre-embedded fixings (27) are respectively fixed to the steel mesh (30) in the concrete outer wall panel (23) and the concrete inner wall panel (24); Thickened portions (232) are formed on the upper, lower, left, and right edges of the concrete exterior wall panel (23) and the concrete interior wall panel (24). The inner side surfaces of the thickened portions (232) shrink toward the middle of the prefabricated thermal insulation wall panel (2), so that the thickness of the concrete exterior wall panel (23) and the concrete interior wall panel (24) at the thickened portions (24) increases. The end surface of the thickened portion (232) of the concrete exterior wall panel (23) is an inclined surface (231); the angle between the inclined surface (231) and the outer side surface of the concrete exterior wall panel (23) is an obtuse angle. The top and bottom of the prefabricated thermal insulation wall panel (2) are both provided with grooves (29) extending along the wall panel, and the left and right ends of the prefabricated thermal insulation wall panel (2) are both provided with grooves (29) extending in a vertical direction; the inner width of the vertical groove (29) between the thickened portion (232) at the upper edge and the thickened portion (232) at the lower edge of the concrete inner wall panel (24) is greater than the outer width; a plurality of non-metallic pre-embedded fixing members (27) uniformly distributed in a vertical direction and passing through the grooves (29) are pre-embedded between the thickened portion (232) at the left and right edges of the concrete outer wall panel (23) and the facing concrete inner wall panel (24); A U-shaped steel bar (103) is inserted into the cavity formed by the butt joint of the two grooves (29) of the two adjacent prefabricated thermal insulation wall panels (2), and the U-shaped steel bar (103) is inserted from top to bottom to fix the non-metallic embedded fixing parts (27) in the two grooves (29); Concrete is poured into all cavities, through holes (33) and cast-in-place holes to form a hidden column structure, and concrete is poured into the grooves (29) at the top and bottom of the prefabricated thermal insulation wall panel (2) to form a hidden beam structure or a foundation connection structure, and the concrete foundation (1), prefabricated thermal insulation wall panel (2) and prefabricated thermal insulation roof panel (4) are fixed together, or the concrete foundation (1), prefabricated thermal insulation wall panel (2), prefabricated thermal insulation floor slab (3) and prefabricated thermal insulation roof panel (4) are fixed together; the height of the concrete poured in the prefabricated thermal insulation roof panel (4) is flush with the height of the roof panel concrete rib (36), and a thermal insulation filling block (37) is placed above the poured concrete to form a thermal insulation continuous structure with the thermal insulation layer (25) in the prefabricated thermal insulation roof panel (4).

2. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 1 is characterized by: A plurality of foundation ribs are evenly distributed on the bottom surface of the concrete foundation (1); the thickness of the foundation ribs and the left and right edges of the concrete foundation (1) is equal and greater than the thickness of the remaining parts; the concrete foundation (1) is made of cast-in-place concrete or is spliced from prefabricated concrete foundation slabs; and the concrete foundation (1) contains a steel mesh.

3. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 2 is characterized by: One or more concrete ribs (26) may be provided on the concrete inner wall panel (24) of the prefabricated thermal insulation wall panel (2), and the top surface of the concrete rib (26) is flush with the bottom surface of the groove (29) at the top of the prefabricated thermal insulation wall panel (2); the bottom surface of the concrete rib (26) is flush with the bottom surface of the groove (29) at the bottom of the prefabricated thermal insulation wall panel (2); a longitudinal cast-in-place hole (28) is provided in the concrete rib (26), and one end of a portion of the anchoring steel bars (102) in the concrete foundation (1) extends vertically upward into the cast-in-place hole (28), and the cast-in-place hole (28) is opposite to the through hole (33) on the prefabricated thermal insulation floor panel (3) or the prefabricated thermal insulation roof panel (4).

4. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 3 is characterized by: The upper and lower, left and right, front and back surfaces of the prefabricated thermal insulation roof panel (4) are all concrete outer panels (31) containing steel mesh, and an insulation layer (25) is wrapped in the middle. The thickness of the insulation layer (25) is greater than that of the concrete outer panel (31), and the thickness of the concrete outer panel (31) is ≤40 cm. The prefabricated thermal insulation roof panel (4) is pre-embedded with a plurality of uniformly distributed non-metallic pre-embedded fixings (27). The two ends of the non-metallic pre-embedded fixings (27) are respectively fixed to the steel mesh in the upper and lower concrete outer panels (31). The inner surface of the lower concrete outer panel (31) is fixed with a steel mesh. The edges of the steel mesh are connected to the steel trusses (35), and the height of the steel trusses (35) in the prefabricated thermal insulation roof panel (4) is less than the height of the thermal insulation layer (25); a plurality of evenly distributed roof panel concrete ribs (36) are provided on the lower concrete outer plate (31), and the height of the roof panel concrete ribs (36) is equal to the height of the steel trusses (35) in the prefabricated thermal insulation roof panel (4); the prefabricated thermal insulation roof panel (4) is provided with a plurality of through holes (33) that are directly opposite to the cavity or the cast-in-place hole (28); the length of the prefabricated thermal insulation roof panel (4) is ≤12m.

5. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 4 is characterized by: The upper and lower, left and right, front and back surfaces of the prefabricated thermal insulation floor slab (3) are all concrete outer plates (31) containing steel mesh, and an insulation layer (25) is wrapped in the middle. The thickness of the insulation layer (25) is greater than that of the concrete outer plate (31), and the thickness of the concrete outer plate (31) is ≤40 cm. The prefabricated thermal insulation roof panel (4) is pre-embedded with a plurality of uniformly distributed non-metallic pre-embedded fixings (27). The two ends of the non-metallic pre-embedded fixings (27) are respectively connected to the steel mesh in the upper and lower concrete outer plates (31). The steel mesh sheets are fixed together, and the edges of the steel mesh sheets in the upper and lower concrete outer plates (31) are connected together by steel trusses (35); the prefabricated thermal insulation floor slab (3) is provided with a plurality of floor slab concrete ribs (34) evenly distributed along the length direction, and the floor slab concrete ribs (34) divide the thermal insulation layer (25) into a plurality of sections; the prefabricated thermal insulation floor slab (3) is provided with a plurality of through holes (33) facing the cavity or the cast-in-place hole (28); the length of the prefabricated thermal insulation floor slab (3) is ≤12m.

6. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 5 is characterized by: The inner side of the groove (29) is a concrete inner wall panel (24), and the outer side is a thermal insulation layer (25); the upper, lower, left, and right edges of the concrete outer wall panel (23), the thermal insulation layer (25), and the concrete inner wall panel (24) are all flush with each other.

7. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 6 is characterized by: The concrete inner wall panel (24) of the L-shaped wall panel (21) extends into the interior of the insulation layer (25) at the corner to form a corner column (241), the top surface of the corner column (241) is flush with the bottom surface of the groove (29) at the top of the L-shaped wall panel (21); the bottom surface of the corner column (241) is flush with the bottom surface of the groove (29) at the bottom of the L-shaped wall panel (21); a longitudinal cast-in-place hole (28) is provided in the corner column (241), the cast-in-place hole (28) is opposite to the through hole (33) on the prefabricated insulation floor panel (3) or the prefabricated insulation roof panel (4), and an anchor steel bar (102) is inserted and concrete is poured.

8. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 7 is characterized by: The cross section of the groove (29) between the thickened portion (232) at the left edge and the thickened portion (232) at the right edge of the concrete inner wall panel (24) is rectangular; the thickness of the thermal insulation layer (25) is 20 to 50 cm.

9. The low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to claim 8 is characterized by: The prefabricated thermal insulation roof panels (4) are arranged horizontally, inclined or in a herringbone shape.

10. The construction method of a low-rise energy-saving and heat-insulating concrete house that can be quickly constructed according to any one of claims 1 to 9, characterized in that: A concrete foundation (1) is prepared and anchoring steel bars (102) are pre-embedded, or a plurality of prefabricated concrete foundation plates with pre-embedded anchoring steel bars (102) are spliced together to obtain a concrete foundation (1), a transverse steel bar (105) is laid in the center of the foundation fixing groove (101), and the prefabricated thermal insulation wall panels (2) are hoisted into place in sequence; a U-shaped steel bar (103) is inserted into the cavity enclosed by two adjacent prefabricated thermal insulation wall panels (2), an anchoring steel bar (102) is inserted into the cast-in-place hole (28) of the prefabricated thermal insulation wall panel (2), and a transverse steel bar (105) is laid in the groove at the top of the prefabricated thermal insulation wall panel (2); When the number of floors of the building is one, the prefabricated thermal insulation roof panels (4) are hoisted into place in sequence, anchoring steel bars (102) are inserted into the through holes (33), and cast-in-place concrete (104) is poured into all cavities, grooves (29), through holes (33) and cast-in-place holes (28); the height of the concrete poured into the prefabricated thermal insulation roof panels (4) is flush with the height of the roof panel concrete ribs (36), and thermal insulation filling blocks (37) are placed above the poured concrete to form a thermal insulation continuous structure with the thermal insulation layer (25) in the prefabricated thermal insulation roof panels (4); and caulking glue (5) is squeezed into all joints; When the number of storeys of the building is two or three, the prefabricated insulation floor slabs (3) are hoisted into place in sequence, anchoring steel bars (102) are inserted into the through holes (33), and cast-in-place concrete (104) is poured into all cavities, grooves (29), through holes (33) and cast-in-place holes (28); then transverse steel bars (105) are laid in the wall panel fixing grooves (32) on the upper surface of the prefabricated insulation floor slabs (3), and the prefabricated insulation wall panels (2) on the upper layer are hoisted into place in sequence; U-shaped steel bars (103) are inserted into the cavity enclosed by two adjacent prefabricated insulation wall panels (2), anchoring steel bars (102) are inserted into the cast-in-place holes (28) of the prefabricated insulation wall panels (2), and the grooves on the top of the prefabricated insulation wall panels (2) are laid. The transverse reinforcement (105) is laid in the middle; the construction is repeated in this order until the installation of all prefabricated thermal insulation wall panels (2) and prefabricated thermal insulation floor panels (3) is completed; finally, the prefabricated thermal insulation roof panels (4) are hoisted into place in order, the anchor reinforcement (102) is inserted into the through holes (33), and cast-in-place concrete (104) is poured into all cavities, grooves (29), through holes (33) and cast-in-place holes (28); the height of the concrete poured in the prefabricated thermal insulation roof panels (4) is flush with the height of the roof panel concrete ribs (36), and thermal insulation filling blocks (37) are placed above the poured concrete to form a thermal insulation continuous structure with the thermal insulation layer (25) in the prefabricated thermal insulation roof panels (4); and the caulking glue (5) is squeezed into all joints.

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