CN217537490U - Sandwich heat-insulation floor - Google Patents

Abstract

The utility model discloses a sandwich insulation floor includes in proper order along the first direction: the first floor slab, the connecting piece, the heat insulation assembly, the second floor slab and the truss steel bar; the connecting piece extends along a first direction and is used for connecting a first floor slab, a heat insulation assembly and a second floor slab, the connecting piece comprises a first end and a second end, the first end is connected and anchored into the first floor slab, and the second end of the connecting piece extends out of the second floor slab; the heat insulation assembly is arranged between the first floor slab and the second floor slab along the first direction; the truss reinforcing steel bars extend along the second direction, the truss reinforcing steel bars are arranged on one side of the second floor slab at intervals along the third direction, the truss reinforcing steel bars comprise truss connecting bars, and the truss connecting bars are anchored into the second floor slab; the first direction, the second direction and the third direction cross each other. The utility model can realize the industrial production, and is convenient and fast; the tight seam splicing is realized, the labor cost is reduced, and the construction period is shortened.

Description

Sandwich heat-insulation floor

Technical Field

The utility model relates to an assembly type structure technical field, in particular to sandwich heat preservation floor.

Background

In the assembly type building industry in China at present, a floor slab is generally assembled and constructed by adopting a truss steel bar laminated slab, the thickness of the truss steel bar laminated slab is thick, the thickness of a general precast concrete slab is more than 60mm, the thickness of post-cast concrete is more than 70mm, and the total thickness is not less than 130mm; the thickness of the floor slab in the cast-in-place construction technology is generally about 100 mm. Because the floor becomes thicker, the total dead weight of the building is heavier, the seismic force is increased, and the concrete amount and the steel bar content of the building, which are influenced by the seismic force, are greatly improved. And because the bottom ribs of the floor slab of the laminated slab are pre-buried in the precast concrete, when the laminated slab is installed and spliced on site, the national standard requires that a post-pouring belt is required to be reserved at the splicing part of the two-way slab, structural gluten and a template sealing plate are required to be configured on the post-pouring belt, and thus the labor amount of the construction site is increased.

In addition, the other type of floor slab product is an assembled floor slab product formed by combining truss steel bars and profiled steel plates, and has the advantages that the casting thickness is completely equal to the thickness of a cast-in-place floor slab, the self weight is lower, the profiled steel plates are exposed in a room after casting is completed, ceiling treatment is needed for later-stage decoration, and the decoration cost is also increased.

At present, residential projects in many areas require a heat preservation process for a floor slab, and at present, no matter a cast-in-place floor slab of a cast-in-place construction method or a laminated slab or a metal floor bearing plate of an assembly construction method, the heat preservation method needs to be carried out after a structural main body of the floor slab is cast in a construction site and then the site is subjected to heat preservation, so that more labor is needed in the site, and more working procedures are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the heat preservation way of present floor and all need do the heat preservation behind the scene, the manual work that the scene needs is more, and the more problem of process. The utility model provides a sandwich heat preservation floor slab, which can realize close joint splicing, reduce labor cost and shorten construction period; the industrialized production is realized, and the production is convenient and fast.

In order to solve the technical problem, the utility model discloses an embodiment discloses a sandwich heat preservation floor slab includes along the first direction in proper order: the first floor slab, the connecting piece, the heat insulation assembly, the second floor slab and the truss steel bars; the connecting piece extends along a first direction, is used for connecting a first floor slab, a heat insulation assembly and a second floor slab, and comprises a first end and a second end, the first end is anchored into the first floor slab, and the second end of the connecting piece extends out of the second floor slab; the heat insulation assembly is arranged between the first floor slab and the second floor slab along a first direction; the truss reinforcing steel bars extend along a second direction, the truss reinforcing steel bars are arranged on one side of the second floor slab at intervals along a third direction, the truss reinforcing steel bars comprise truss connecting steel bars, and the truss connecting steel bars are anchored into the second floor slab; the first direction, the second direction and the third direction are mutually crossed.

By adopting the technical scheme, the cost can be effectively reduced, the labor is reduced, the work efficiency is improved, and the assembly type building is more beneficial to popularization and application. Compared with a laminated slab, the self-weight of the structural product is lighter, so that the concrete amount and the steel bar amount of a building are further reduced, a post-pouring belt is not required to be additionally arranged during splicing, the manufacturing cost is lower, and the work efficiency is higher. Compare in truss reinforcing bar + profiled sheet product, this structure product later stage need not to carry out the furred ceiling and handles.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich insulation floor, first floor includes the rib, the rib is located in the first floor.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich heat preservation floor, the second floor includes the rib, the rib is located in the second floor.

According to another specific embodiment of the utility model, the embodiment of the utility model discloses a sandwich thermal insulation floor slab, the truss reinforcing steel bar also comprises truss structure reinforcing steel bars; the truss structure rib extends along the second direction and comprises a first structure gluten and a first structure bottom rib; the first structural gluten is connected with one end, far away from the second floor, of the truss connecting rib; the first structure bottom rib and the truss connecting rib are close to one end of the second floor and connected, and the first structure bottom rib is arranged at a set distance above the second floor.

According to another embodiment of the invention, the set distance is 15mm to 20mm.

According to another specific embodiment of the utility model, the embodiment of the utility model discloses a sandwich thermal insulation floor slab, the number of the first structural surface ribs comprises 1; the number of the first structural bottom ribs comprises 2.

According to another specific embodiment of the present invention, the embodiment of the present invention discloses a sandwich thermal insulation floor slab, wherein the truss reinforcement further comprises a second structural gluten and a second structural bottom rib, the second structural gluten is disposed at one end of the truss connection rib away from the second floor slab, and the second structural gluten extends along the third direction; the second structure bottom rib is arranged at the position, close to one end of the second floor, of the truss connection rib, and the second structure bottom rib extends in the third direction.

According to another specific embodiment of the present invention, an embodiment of the present invention discloses a sandwich insulation floor slab, wherein two rows of the truss connecting ribs are arranged on both sides of the truss reinforcing steel bars along the third direction; each truss connection rib of every row is V type structure, every two stabilizer blade anchors of truss connection rib are gone into in the second floor, every the top region of truss connection rib is for keeping away from second floor one end, two rows the truss connection rib collects at the top region.

According to another specific embodiment of the present invention, the embodiment of the present invention discloses a sandwich thermal insulation floor slab, wherein the first structural bottom rib is arranged on both sides of the two rows of truss connecting ribs and is located at one end of the two support legs of each truss connecting rib, which is close to the second floor slab; two rows the truss connection muscle is through the connection of first structure end muscle fixed, first structure gluten follows the below of first direction passes two rows of truss connection muscle's top and collects the region, follows the second direction extends.

According to another specific embodiment of the utility model, the embodiment of the utility model discloses a sandwich thermal insulation floor slab, wherein the second structural gluten is erected above the first structural gluten along a third direction; the second structure bottom rib is erected above the first structure bottom rib along the third direction.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich insulation floor, the truss connection muscle is followed second direction interval is located second floor one side.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich heat preservation floor, the connecting piece is followed the second direction with the third direction interval sets up for connect first floor, insulation component and second floor.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich insulation floor, the rib is anti-crack fibre web.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich heat preservation floor, first floor with the second floor is the cement-based material sheet metal.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich insulation floor, cement-based material includes cement-based composite, metal and synthetic combined material.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich insulation floor, anti-crack fibre web includes polyester fiber net, basalt fibre net and steel fibre net.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich heat preservation floor, the heat preservation subassembly includes A, B level fire-retardant rating's insulation material.

According to another embodiment of the present invention, the thickness of the first floor and the second floor is between 5mm and 20mm.

According to the utility model discloses a concrete embodiment, the utility model discloses an embodiment discloses a sandwich insulation floor, first direction, second direction and third direction mutually perpendicular.

Drawings

Fig. 1 shows the utility model discloses a sandwich insulation floor's perspective.

Fig. 2 shows a side view of the sandwich heat preservation floor slab of the embodiment of the present invention.

Fig. 3 shows a partial enlarged view of a first side view of a sandwich insulation floor slab according to an embodiment of the present invention.

Fig. 4 shows second side view of sandwich heat preservation floor slab of the embodiment of the utility model.

Fig. 5 shows a plan view of a reinforced part of a sandwich insulation floor slab according to an embodiment of the present invention.

Figure 6 shows the utility model discloses a concatenation stereogram of sandwich insulation floor.

Fig. 7 shows the utility model discloses sandwich insulation floor's concatenation side view.

Detailed Description

The following description is given for illustrative embodiments of the invention, and other advantages and effects of the invention will be apparent to those skilled in the art from the disclosure of the present invention. While the invention will be described in conjunction with the preferred embodiments, it is not intended to limit the features of the invention to that embodiment. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1, the present application provides a sandwich insulation floor 1, which comprises a first floor 10, a connecting member 20, an insulation assembly 30, a second floor 40 and a truss reinforcement 50 in sequence along a first direction (shown as Z direction in fig. 1).

Referring to fig. 2, the connecting member 20 extends along a first direction (as shown in a direction Z in fig. 1), the connecting member 20 is used for connecting the first floor 10, the thermal insulation assembly 30 and the second floor 40, and the connecting member 20 can firmly fix the first floor 10 and the thermal insulation assembly 30 to prevent them from falling off.

Illustratively, referring to FIG. 3, in a first direction (shown in the Z direction in FIG. 3), the connector 20 includes a connecting first end 21 and a second end 22. The connecting first end 21 is anchored into the first floor 10 and the connecting member second end 22 passes through the insulation assembly 30 and the second floor 40 and extends out of the second floor 40 in order to anchor into the subsequent cast-in-place concrete and increase the anchoring force of the connecting member 20. Heat preservation subassembly 30 lays between first floor 10 and second floor 40 along first direction (as shown in figure 3Z direction) the utility model discloses an it has heat preservation subassembly 30 to integrate in sandwich heat preservation floor 1, need not to do the heat preservation behind the job site.

With continued reference to fig. 1, the truss reinforcement 50 extends in a second direction (indicated by the direction Y in fig. 1), and the truss reinforcement 50 is spaced apart from the insulation assembly 30 on a side 41 of the second floor 40 in a third direction (indicated by the direction X in fig. 1). That is, the side 41 of the second floor 40 away from the insulation assembly 30 is provided with a plurality of truss bars 50 spaced apart in the third direction. Each truss reinforcement 50 includes a truss connector rib 51, and a bottom region of the truss connector rib 51 is anchored into the second floor 40.

Illustratively, two rows of truss attachment bars 51 are provided on either side of each truss reinforcement 50 in a third direction (shown as the X-direction in fig. 1). Each truss connecting rib 51 of each row is V-shaped, two legs (bottom regions) of each truss connecting rib 51 are anchored into the second floor 40, the top region (i.e., the end 511 far away from the second floor) of each truss connecting rib 51 is far away from the second floor 40, and the two rows of truss connecting ribs 51 are converged at the top region. The two rows of truss attachment ribs 51 are arranged in series along a second direction (shown as the Y-direction in fig. 1). The first structural bottom rib 522 is disposed on both sides of the two rows of truss connection ribs 51, and is located at one end 512 of the two legs of each truss connection rib 51, which is close to the second floor 40. The two rows of truss connection ribs 51 are fixedly connected through a first structural bottom rib 522, and the first structural rib 521 passes through the top convergence area of the two rows of truss connection ribs 51 from the lower part of a first direction (shown as the Z direction in fig. 1) and extends along a second direction (shown as the Y direction in fig. 1).

Illustratively, the first direction (as shown in the Z direction in fig. 1), the second direction (as shown in the Y direction in fig. 1), and the third direction (as shown in the X direction in fig. 1) intersect with each other. Illustratively, the first direction (shown as the Z direction in fig. 1), the second direction (shown as the Y direction in fig. 1), and the third direction (shown as the X direction in fig. 1) are perpendicular to each other.

In the construction of the fabricated floor slab of the sandwich insulation floor 1, the first floor slab 10 and the second floor slab 40 are thin and have a thickness of 5mm to 20mm, including 5mm and 20mm. And the prefabricated second floor 40 is only used as a non-structural member and does not participate in structural stress, and the concrete participating in the structural stress is cast in situ at the construction site, so that the thickness of the structural floor is 20-40 mm thinner than the finished surface thickness of the traditional laminated slab, and the self weight of the building is reduced.

In some possible embodiments, referring to fig. 4, exemplarily, the first floor 10 and the second floor 40 include the reinforced part 11, and the reinforced part 11 is provided inside the first floor 10 and the second floor 40; according to the difference of the mechanical property of the materials of the first floor slab 10 and the second floor slab 40, the reinforced part can be optionally not arranged inside.

Illustratively, according to the difference of the mechanical properties of the materials of the first floor slab 10 and the second floor slab 40, the reinforced part 11, i.e. the anti-crack fiber net, can be added inside. Referring to fig. 4 and 5, the anti-crack fiber net alternately extends in the second direction (as shown in Y direction in fig. 5) and the third direction (as shown in X direction in fig. 5) and is disposed in the first floor 10 and the second floor 40 in a woven shape, so that the first floor 10 and the second floor 40 can be effectively prevented from cracking, and the anti-crack fiber net should have a strong tensile property. The materials of the crack-resistant fiber net used in the present application include polyester fiber net, basalt fiber net, steel fiber net, etc. Meanwhile, if the first floor slab 10 and the second floor slab 40 use cement-based material plates with higher mechanical properties, the anti-crack fiber mesh may not be arranged inside the floor slabs.

In some possible embodiments, with continued reference to fig. 4, the truss rebar 50 also includes truss structure rebar 52. The truss structure ribs 52 extend in a second direction (shown as Y-direction in fig. 4), and the truss structure ribs 52 include a first structure face rib 521 and a first structure bottom rib 522. The first structural ribs 521 are connected to the ends 511 (i.e., the top regions) of the truss attachment ribs 51 away from the second floor. The first structural bottom rib 522 is connected to the truss connecting rib 51 near the second floor end 512, and the first structural bottom rib 522 is located a set distance (as indicated by the distance h in fig. 4) above the second floor. Illustratively, the set distance is 15mm to 20mm, including 15mm and 20mm. Since the first structural bottom rib 522 is spaced apart from the second floor 40, the first structural bottom rib 522 is not disposed in the second floor 40. After the arrangement, a post-cast strip is not required to be reserved when the subsequent cast-in-place concrete is poured, and the adjacent sandwich heat-insulating floor slabs 1 can be mutually attached to be in sealing connection (as shown in fig. 6).

And, in the above-mentioned distance scope, pour the concrete to the surface of second floor 40 according to the design requirement, make truss reinforcing bar 50 wrap up in the cast in situ concrete completely, make the floor shaping, the structure is firm. The prefabricated second floor 40 can be thinned, only non-structural members are made, structural stress is not participated, and concrete participating in the structural stress is cast in situ at a construction site, so that the thickness of the structural floor is 20-40 mm thinner than the finished surface of the traditional laminated slab, and the self weight of a building is reduced.

It should be noted that the bottom area of the truss attachment rib 51 is anchored into the second floor 40, and the first structural bottom rib 522 is spaced a set distance (indicated by distance h in fig. 4) from the second floor 40 side 41 in order to provide a sufficient protective layer thickness for the first structural bottom rib 522. In some possible embodiments, referring to fig. 3, the number of the first structural gluten 521 is 1, but the application is not limited thereto, and the number of the first structural gluten 521 may also be 2. The number of first structural bottom ribs 522 is 2. The polygonal section of the truss connecting rib 51 can play a beneficial role in the bearing capacity of the stressed reinforcing steel bar of the floor slab.

In some possible embodiments, referring to fig. 1, 2 and 4, the truss reinforcement bar 50 further includes a second structural rib 523 and a second structural bottom rib 524, the second structural rib 523 is disposed at an end 511 of the truss connection rib 51 far away from the second floor, and the second structural rib 523 is disposed above the first structural rib 521 along a third direction (as shown in the X direction in fig. 2). The second structural bottom rib 524 is disposed at the end 512 of the truss connecting rib 51 near the second floor, and the second structural bottom rib 524 is erected above the first structural bottom rib 522 along a third direction (as shown in the X direction in fig. 2). The first structural surface rib 521 and the second structural surface rib 523 as well as the first structural bottom rib 522 and the second structural bottom rib 524 are respectively and vertically arranged, so that the two rows of truss connection ribs 51 are stably connected.

The second structural gluten 523 and the second structural bottom rib 524 both extend in a third direction (as shown in the X-direction in fig. 2). Referring to fig. 6, truss attachment ribs 51 are provided at intervals in the second floor side 41 in the second direction (as indicated by Y-direction in fig. 6). In the in-service use, with sandwich insulation floor 1 of this application transportation scene to the back of taking one's place according to the hoist and mount of design requirement, install second structure gluten 523 and second structure end muscle 524 etc. according to the design requirement, toward second floor 40 surface concreting, make truss reinforcing bar 50 and the second structure gluten 523 and the second structure end muscle 524 of field installation wrap up in cast in situ concrete completely, make the floor shaping.

In some possible embodiments, referring to fig. 1 and 2, the connecting members 20 are provided at intervals in the second direction (as indicated by Y direction in fig. 1) and the third direction (as indicated by X direction in fig. 2) on the sandwich insulation floor 1. The first floor 10, the heat preservation assembly 30 and the second floor 40 are connected into a whole through the connecting piece 20. It should be noted that, by adding the connecting member 20, the heat insulating assembly 30 and the first floor slab 10 can be firmly fixed to prevent the falling-off. The connecting second end 22 extends beyond the second floor 40 in order to anchor into the cast in place concrete, increasing the anchoring force of the connecting element 20.

In some possible embodiments, the first floor 10 and the second floor 40 are cement-based material sheets. The cement-based material plate is used as a non-dismantling template of a building floor plate, has certain anti-bending performance to resist side pressure generated during concrete pouring, and is made of cement-based composite materials, metals and artificially synthesized composite materials. Illustratively, the prefabricated first floor slab 10 or the prefabricated second floor slab 40 of the present application is made of a high-strength concrete material independently developed by the applicant, specifically, a method disclosed in the chinese patent application No. 202110864048.7.

With continued reference to fig. 3, the thermal insulation assembly 30 is sandwiched between the first floor 10 and the second floor 40, and is fixedly connected with the first floor 10 by the connecting member 20, so that the thermal insulation assembly 30 is firmly fixed in the sandwich thermal insulation floor. The heat preservation assembly 30 mainly plays a role in heat preservation, sound insulation and heat insulation. The materials used in the insulating assembly 30 in the present application include A, B fire-rated insulating materials commonly available on the market, and illustratively, the insulating materials include vitrified beads, aerogel felt, foamed cement, inorganic active wall insulating materials, and the like.

It should be noted that the utility model discloses it has heat preservation subassembly 30 to integrate, need not to do the heat preservation behind the job site. Referring to fig. 6, when the floors are spliced, sealing splicing can be performed only by tightly attaching one side 101 of the first sandwich heat-insulating floor 1 to the other side 102 of the second sandwich heat-insulating floor 1. Meanwhile, referring to fig. 6 and 7, when the floor slab is spliced, the reinforcing steel bars 525 are arranged at the splicing positions of the second structural gluten 523 on the two sides of the sandwich heat-insulating floor slab 1, so that the floor slab can be spliced more firmly, and the problem of cracks at the splicing seams is solved. Illustratively, the reinforcing steel bars 525 extend along a third direction (shown as an X direction in fig. 7), and the first floor slab 10, the insulation assembly 30, the second floor slab 40 and the truss steel bars 50 in the first and second integrated insulation boards 1 are correspondingly spliced and tightly combined with each other. And a post-cast strip is not required to be left when the cast-in-place concrete is poured subsequently.

Compared with a laminated slab, the self-weight of the structural product is lighter, so that the concrete amount and the steel bar amount of a building are further reduced, a post-pouring belt is not required to be additionally arranged during splicing, the manufacturing cost is lower, and the work efficiency is higher. Compare in the product of truss reinforcing bar pressurization shaped steel board, this structure product later stage need not to carry out the furred ceiling and handles. In conclusion, the product with the structure can effectively reduce the cost, reduce the labor, improve the work efficiency and is more beneficial to the popularization and the application of the fabricated building.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (19)

1. The utility model provides a sandwich insulation floor which characterized in that includes in proper order along first direction: the first floor slab, the connecting piece, the heat insulation assembly, the second floor slab and the truss steel bar; wherein the content of the first and second substances,

the connecting piece extends along a first direction, the connecting piece is used for connecting a first floor slab, a heat insulation assembly and a second floor slab, the connecting piece comprises a first end and a second end, the first end is anchored into the first floor slab, and the second end of the connecting piece extends out of the second floor slab;

the heat insulation assembly is arranged between the first floor slab and the second floor slab along a first direction;

the truss reinforcing steel bars extend along a second direction, the truss reinforcing steel bars are arranged on one side of the second floor slab at intervals along a third direction, the truss reinforcing steel bars comprise truss connecting steel bars, and the truss connecting steel bars are anchored into the second floor slab;

the first direction, the second direction and the third direction are mutually crossed.

2. The sandwich insulated floor of claim 1, wherein the first floor includes a reinforcement portion, the reinforcement portion being disposed within the first floor.

3. The sandwich insulation floor slab of claim 1, wherein the second floor slab comprises a reinforcement portion, the reinforcement portion being disposed within the second floor slab.

4. The sandwich insulation floor slab according to claim 1, wherein the truss reinforcement further comprises truss structural reinforcement;

the truss structure rib extends along the second direction and comprises a first structure gluten and a first structure bottom rib;

the first structural gluten is connected with one end, far away from the second floor, of the truss connecting rib;

the first structure bottom rib and the truss connecting rib are close to one end of the second floor and connected, and the first structure bottom rib is arranged at a set distance above the second floor.

5. The sandwich insulation floor slab of claim 4, wherein the set distance is 15mm to 20mm.

6. The sandwich insulation floor slab of claim 4, wherein the number of the first structural face ribs comprises 1; the number of the first structural bottom ribs comprises 2.

7. The sandwich insulation floor slab of claim 4, wherein the truss reinforcement further comprises a second structural gluten and a second structural bottom reinforcement, the second structural gluten is disposed at an end of the truss connection reinforcement away from the second floor slab, and the second structural gluten extends in the third direction; the second structure bottom rib is arranged at the position, close to one end of the second floor, of the truss connection rib, and the second structure bottom rib extends in the third direction.

8. The sandwich insulation floor slab according to claim 4 or 7, wherein two rows of the truss connection ribs are arranged on both sides of the truss reinforcement in the third direction;

each truss connection rib of every row is V type structure, every two stabilizer blade anchors of truss connection rib are gone into in the second floor, every the top region of truss connection rib is for keeping away from second floor one end, two rows the truss connection rib collects at the top region.

9. The sandwich insulation floor slab of claim 8, wherein the first structural bottom rib is disposed on both sides of the two rows of truss ties, at one end of the two legs of each truss tie adjacent to the second floor slab; two rows the truss connection muscle is through the connection of first structure end muscle fixed, first structure gluten follows the below of first direction passes two rows of truss connection muscle's top and collects the region, follows the second direction extends.

10. The sandwich thermal floor slab of claim 8, wherein the second structural gluten is arranged above the first structural gluten along a third direction; the second structure bottom rib is erected above the first structure bottom rib along a third direction.

11. The sandwich insulation floor slab according to claim 1, wherein the truss connection ribs are provided at intervals on one side of the second floor slab along the second direction.

12. The sandwich insulation floor slab of claim 1, wherein the connectors are spaced apart in the second direction and the third direction for connecting the first floor slab, the insulation assembly and the second floor slab.

13. The sandwich insulation floor slab according to claim 2 or 3, wherein the reinforcement is a crack resistant fiber mesh.

14. The sandwich insulation floor slab of claim 1, wherein the first floor slab and the second floor slab are sheets of cement-based material.

15. The sandwich insulation floor slab of claim 14, wherein the cement-based material comprises any one of cement-based composite materials, metals, and synthetic composite materials.

16. The sandwich thermal insulation floor slab according to claim 13, wherein the crack-resistant fiber net comprises any one of a polyester fiber net, a basalt fiber net, and a steel fiber net.

17. The sandwich insulation floor slab of claim 1, wherein the insulation assembly comprises A, B grade fire rated insulation.

18. The sandwich insulation floor slab according to any one of claims 1 to 7, 9 to 12, 14 to 17, wherein the thickness of the first floor slab and the second floor slab is between 5mm and 20mm.

19. The sandwich insulation floor slab according to any one of claims 1 to 7, 9 to 12, 14 to 17, wherein the first direction, the second direction and the third direction are perpendicular to each other.

Images