CN218292425U - Autoclaved aerated concrete heat-preservation ribbed floor - Google Patents

Abstract

The utility model discloses an autoclaved aerated concrete heat-preservation ribbed floor, which belongs to the field of constructional engineering and comprises a main beam, a prefabricated ribbed beam, an autoclaved aerated concrete block and a cast-in-place concrete layer; the prefabricated multi-ribbed beams are arranged at intervals, and two ends of each prefabricated multi-ribbed beam are lapped on the two main beams arranged at intervals; the autoclaved aerated concrete blocks are tightly arranged between two adjacent prefabricated multi-ribbed beams, so that gaps between the adjacent prefabricated multi-ribbed beams are filled, and a bottom layer structure is formed; and the cast-in-place concrete layer is poured on the upper surface of the bottom structure. The utility model discloses use substructure for pouring of pouring die block completion cast in situ concrete layer, need not formwork and form removal in the work progress, reducible construction cost with shorten construction cycle, evaporate the characteristic that presses aerated concrete piece itself to possess light and heat insulating ability, the superstructure dead weight reduces, thermal insulation performance is good.

Description

An autoclaved aerated concrete thermal insulation dense rib floor

technical field

The utility model belongs to the field of construction engineering, in particular to an autoclaved aerated concrete thermal insulation dense rib floor.

Background technique

In the construction industry, the traditional densely ribbed floor or densely ribbed floor needs to use a large number of wooden formwork or steel formwork or formwork of various materials in the construction method of cast-in-place, and the formwork needs to be removed after construction. For example, the application publication number is CN112982777A, which discloses a light-duty prefabricated space grid ribbed slab construction process, which comprises the following steps: S1) prefabricating the densely ribbed slab template; S2) making the densely ribbed slab In the process of formwork, synchronously build the steel pipe support frame and the main keel; S3) hoist the prefabricated ribbed floor formwork on the main keel in step S1), and the metal keel is perpendicular to the main keel Place; S4) seal the edge gap between the densely ribbed slab formwork and the shear wall, beam or column with the edge formwork; S5) lay plate distribution reinforcement and structural reinforcement on the described densely ribbed slab formwork; S6) pouring Concrete fills the ribbed grooves, and wraps the slab distribution steel bars to form a densely ribbed floor; S7) Concrete curing, demoulding, and the forming of the densely ribbed floor is completed. Due to the need for formwork and formwork removal during the construction process, the construction period is long.

In view of the above problems, the Chinese patent with the authorized announcement number CN210685110U discloses a new assembled double-sided ribbed steel plate composite floor. Two-way densely ribbed profiled steel plate and the underlying steel mesh, the two-way densely ribbed profiled steel plate is used as the formwork for the prefabricated densely ribbed bottom slab concrete pouring, on which there are reserved holes for the profiled steel plate and bolt sleeves, and the underlying steel mesh is laid on the two-way In the rib groove of densely ribbed profiled steel plate; the cast-in-place concrete layer is located on the prefabricated densely-rib bottom plate, and the upper layer of steel mesh is laid in the cast-in-place concrete layer. In this structure, two-way densely ribbed profiled steel plate is used as the formwork for prefabricated densely ribbed concrete pouring, and no additional formwork is required when pouring the concrete layer, but this structure leads to increased steel consumption and high construction costs, and the steel plate has good thermal conductivity. Poor sex.

Utility model content

The purpose of the utility model is to provide an autoclaved aerated concrete thermal insulation dense ribbed floor to solve the problems of prolonging the construction period and poor thermal insulation performance of the dense ribbed floor due to the need for supporting formwork in the construction of the existing dense ribbed floor.

In order to achieve the purpose, the technical solution provided by the utility model is:

The utility model relates to an autoclaved aerated concrete thermal insulation dense-ribbed floor, which includes a main beam, a prefabricated dense-ribbed beam, an autoclaved aerated concrete block and a cast-in-place concrete layer; the prefabricated dense-ribbed beams are arranged at intervals, Both ends of the prefabricated densely ribbed beams are lapped on two main beams arranged at intervals; the autoclaved aerated concrete blocks are tightly arranged between two adjacent prefabricated densely ribbed beams, and then fill the adjacent The gaps between the prefabricated ribbed beams form the substructure; the cast-in-situ concrete layer is poured on the upper surface of the substructure.

Preferably, the bottom surface of the autoclaved aerated concrete block is provided with two sets of strip-shaped grooves at the edge positions on both sides, and the two ends of the autoclaved aerated concrete block are lapped on two adjacent prefabricated ribbed beams , and the prefabricated ribbed beams are embedded in the corresponding grooves, making the connection between the autoclaved aerated concrete block and the prefabricated densely ribbed beams more stable and reliable.

Preferably, the thickness of the autoclaved aerated concrete block is greater than the overall thickness of the prefabricated ribbed beam.

Preferably, slopes are provided on both sides of the autoclaved aerated concrete blocks, so that the gap between two adjacent groups of autoclaved aerated concrete blocks is in a "Y" shape, which helps to increase the cast-in-place concrete layer The contact area with the autoclaved aerated concrete blocks can further strengthen the integrity of the autoclaved aerated concrete insulation ribbed floor.

Preferably, the prefabricated ribbed beam is a semi-exposed inverted T beam, which includes a precast concrete layer and a triangular truss, the lower half of the triangular truss is buried in the precast concrete layer, and the upper half of the triangular truss is exposed to the precast concrete top surface of the layer.

Preferably, the prefabricated densely ribbed beam is an all-inclusive inverted T beam, which includes a precast concrete layer, a triangular truss and a precast concrete bulge, the section of the precast concrete bulge is trapezoidal, and the width of the bottom surface of the precast concrete bulge is smaller than that The width of the precast concrete bulge is set on the upper surface of the precast concrete layer, and the precast concrete layer and the precast concrete bulge adopt an integrated structure, the bottom of the triangular truss is buried in the precast concrete layer, and the upper part of the triangular truss is buried in the precast concrete bulge from within.

Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

1. In the autoclaved aerated concrete thermal insulation ribbed floor of the utility model, the autoclaved aerated concrete block is tightly arranged between two adjacent prefabricated densely ribbed beams, and then fills up the space between the adjacent prefabricated densely ribbed beams. The gap between them forms the substructure, and the substructure is used as the bottom formwork to complete the pouring of the cast-in-situ concrete layer. During the construction process, there is no need for formwork support and formwork removal, which can reduce construction costs and shorten the construction period.

2. The autoclaved aerated concrete thermal insulation ribbed floor related to the utility model uses autoclaved aerated concrete blocks and prefabricated densely ribbed beams as the bottom form to pour the cast-in-place concrete layer and then forms the densely ribbed floor, and the autoclaved aerated concrete blocks If it is not removed later, the autoclaved aerated concrete block itself has the characteristics of light weight and thermal insulation, which reduces the weight of the floor and improves the thermal insulation performance.

Description of drawings

Fig. 1 is the schematic diagram of the three-dimensional structure of the autoclaved aerated concrete thermal insulation ribbed floor related to embodiment 1;

Fig. 2 is the top view of the autoclaved aerated concrete thermal insulation ribbed floor related to embodiment 1;

Fig. 3 is a cross-sectional view along the width direction of the autoclaved aerated concrete thermal insulation ribbed floor involved in embodiment 1;

Fig. 4 is the perspective view of the prefabricated densely ribbed beam that embodiment 1 relates to;

Fig. 5 is the perspective view of the prefabricated ribbed girder involved in embodiment 2;

Fig. 6 is a front view of an autoclaved aerated concrete block.

Labeling instructions: 1-main beam, 2-prefabricated ribbed beam, 21-precast concrete layer, 22-triangular truss, 23-precast concrete protrusion, 3-autoclaved aerated concrete block, 31-groove, 32-incline , 4- cast-in-place concrete layer.

detailed description

The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1

Referring to appendixes 1 to 3, an autoclaved aerated concrete insulation ribbed floor covering in this embodiment includes a main beam 1, a prefabricated densely ribbed beam 2, an autoclaved aerated concrete block 3 and a cast-in-place concrete layer 4 .

The main girder 1 is an I-shaped steel beam (of course, it can also be a concrete cast-in-place beam), and the prefabricated densely ribbed beams 2 are arranged at intervals, and the two ends of the prefabricated densely ribbed beams 2 are all lapped on two intervally arranged on main beam 1. The prefabricated ribbed beam 2 of this embodiment is a semi-exposed inverted T-beam, and its structure is shown in Figure 4, including a precast concrete layer 21 and a triangular truss 22, and the lower half of the triangular truss 22 is buried in the precast concrete layer 21 , the upper half of the triangular truss 22 is exposed on the upper surface of the precast concrete layer 21 .

The autoclaved aerated concrete block 3 is closely arranged between two adjacent prefabricated densely ribbed beams 2, and then fills the gap between the adjacent prefabricated densely ribbed beams 2 to form an underlying structure, autoclaved and aerated The thickness of the concrete block 3 is greater than the overall thickness of the prefabricated ribbed beam 2 . The structure of the autoclaved aerated concrete block 3 is as shown in accompanying drawing 6, the bottom surface of the autoclaved aerated concrete block 3 is located at the edge positions on both sides to be provided with two groups of strip-shaped grooves 31, and the two sides of the autoclaved aerated concrete block 3 The ends are overlapped on two adjacent prefabricated densely ribbed beams 2, and the prefabricated densely ribbed beams 2 are embedded in the corresponding grooves 31, so that the connection between the autoclaved aerated concrete block and the prefabricated densely ribbed beams is more stable and reliable; The two sides of the autoclaved aerated concrete blocks 3 are provided with inclined surfaces 32, so that the gap between two adjacent groups of autoclaved aerated concrete blocks 3 is in the shape of "Y". The cast-in-place concrete layer 4 takes the underlying structure as the bottom form and is poured on the upper surface of the underlying structure. When the cast-in-place concrete layer 4 is poured, the concrete flows into the pores between the two sets of autoclaved aerated concrete blocks 3 to form the existing concrete layer 4. Poured dense ribs, since the two sides of the autoclaved aerated concrete block 3 are provided with inclined surfaces 32, after the cast-in-place concrete layer 4 is formed, the contact area between the cast-in-place concrete layer 4 and the autoclaved aerated concrete block 3 increases, thereby ensuring It guarantees the integrity of the autoclaved aerated concrete insulation ribbed floor.

The construction method of the above-mentioned autoclaved aerated concrete thermal insulation dense-rib floor is: first construct the main girder 1; The autoclaved aerated concrete block 3 is assembled between the prefabricated densely ribbed beams 2, and the assembled autoclaved aerated concrete block 3 ensures that two adjacent assembled autoclaved aerated concrete blocks 3 are in seamless contact, thereby forming the bottom structure; The bottom structure is the base form, and the cast-in-situ concrete layer 4 is poured, and the autoclaved aerated concrete thermal insulation ribbed floor is formed by curing.

Example 2

Compared with Embodiment 1, this embodiment differs only in the structure of the prefabricated ribbed beam 2 .

With reference to shown in accompanying drawing 5, the prefabricated densely ribbed beam 2 in the present embodiment is all-inclusive inverted T beam, and it comprises prefabricated concrete layer 21, triangular truss 22 and prefabricated concrete protrusion 23, and the cross section of prefabricated concrete protrusion 23 is trapezoidal, the width of the bottom surface of the precast concrete protrusion 23 is smaller than the width of the precast concrete layer 21, the precast concrete protrusion 23 is arranged on the upper surface of the precast concrete layer 21, and the precast concrete layer 21 and the precast concrete protrusion 23 adopt an integrated structure, triangular The bottom of the truss 22 is buried in the precast concrete layer 21 , and the upper part of the triangular truss 22 is buried in the precast concrete protrusion 23 .

The present utility model has been described in detail above in conjunction with the embodiments, but the content described is only a preferred embodiment of the present utility model, and cannot be considered as limiting the implementation scope of the present utility model. All equal changes and improvements made according to the application scope of the utility model should still belong to the scope covered by the patent of the utility model.

Claims (6)

1. An autoclaved aerated concrete thermal insulation dense-rib floor, is characterized in that: it comprises main girder, prefabricated dense-rib beam, autoclaved aerated concrete block and cast-in-situ concrete layer; described prefabricated dense-rib beam is arranged at intervals , both ends of the prefabricated densely ribbed beam are lapped on two main beams arranged at intervals, the prefabricated densely ribbed beam includes a prefabricated concrete layer and a triangular truss, and the lower half of the triangular truss is buried in the prefabricated concrete layer; The autoclaved aerated concrete block is closely arranged between two adjacent prefabricated densely ribbed beams, and then fills the gap between the adjacent prefabricated densely ribbed beams to form the underlying structure; the cast-in-place concrete layer is poured on the upper surface of the underlying structure. 2. The autoclaved aerated concrete thermal insulation ribbed floor according to claim 1, characterized in that: the bottom surface of the autoclaved aerated concrete block is located at the edges of both sides and is provided with two sets of strip-shaped grooves, The two ends of the autoclaved aerated concrete block are overlapped on two adjacent prefabricated densely ribbed beams, and the prefabricated densely ribbed beams are embedded in corresponding grooves. 3. The autoclaved aerated concrete thermal insulation dense ribbed floor according to claim 1, characterized in that: the thickness of the autoclaved aerated concrete block is greater than the overall thickness of the prefabricated dense ribbed beam. 4. The autoclaved aerated concrete thermal insulation ribbed floor according to claim 1, characterized in that: both sides of the autoclaved aerated concrete block are provided with inclined surfaces, so that two adjacent groups of autoclaved aerated concrete The gaps between the concrete blocks are in the shape of a "Y". 5. The autoclaved aerated concrete thermal insulation ribbed floor according to claim 1 is characterized in that: the prefabricated dense ribbed beam is a semi-exposed inverted T beam, and the upper half of the triangular truss is exposed on the precast concrete layer of the upper surface. 6. The autoclaved aerated concrete thermal insulation ribbed floor according to claim 1, characterized in that: the prefabricated dense ribbed beam is an all-inclusive inverted T beam, which also includes precast concrete protrusions, precast concrete protrusions The cross-section is trapezoidal, the width of the bottom surface of the precast concrete bulge is smaller than the width of the precast concrete layer, the precast concrete bulge is set on the upper surface of the precast concrete layer, and the precast concrete layer and the precast concrete bulge adopt an integrated structure, and the upper part of the triangular truss is buried in precast concrete protrusions.

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