CN209760549U

CN209760549U - One-way multi-ribbed sandwich self-insulation composite floor

Info

Publication number: CN209760549U
Application number: CN201821782817.9U
Authority: CN
Inventors: 杨红领
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2019-12-10
Anticipated expiration: 2028-10-31

Abstract

The utility model discloses an one-way close rib with filling self preservation temperature composite floor, the sandwich layer of light board die block as this floor, also as the exempt from form of tearing open of floor, remain certain clearance at two adjacent light board die blocks, this clearance bottom surface is the I-shaped section bar, two adjacent light board die blocks of joint, it is wedge-shaped slot to form the cross-section like this, accommodate steel reinforcement cage or steel bar truss in this slot, ligature reinforcing bar on the light board die block, become the reinforcing bar net, the reinforcing bar net passes through the stirrup with the reinforcing bar in wedge-shaped slot and links to each other, it is together to tie up, then pour the concrete, form one-way close rib composite floor. After the support is removed, mortar is coated on the bottom surface of the composite floor slab to form a protective layer, or self-tapping screws and shooting screws are used for fixing inorganic plates on the I-shaped section bars to form the protective layer, and finally the three-layer sandwich structure composite floor slab is formed.

Description

One-way multi-ribbed sandwich self-insulation composite floor

Technical Field

the utility model relates to a floor among the building structure, concretely relates to one-way close rib with filling self preservation temperature composite floor of assembled.

background

currently, in the field of application of building structure floor technology, the main types of floors include: cast-in-place concrete floor, concrete prefabricated floor, concrete composite floor, profiled steel sheet concrete floor and the like. The cast-in-place concrete floor slab has the advantages of good integrity, large rigidity and low manufacturing cost, but needs to be subjected to complicated field template and reinforcing steel bar construction processes, has the disadvantages of low construction speed, long period, difficulty in realizing industrial production and the like, particularly has obvious influence on the whole construction period due to the defect of long construction time of the cast-in-place concrete floor slab in the construction of a steel structure building, is difficult to adapt to factory production and assembly type construction of the steel structure building, and is also not beneficial to energy conservation and environmental protection; although the concrete precast floor slab has high construction speed and can avoid most of template support, the concrete precast floor slab has the fatal defects of poor floor slab integrity, unidirectional stress, easy generation of cracks, inapplicability to areas with higher seismic intensity and poor impermeability; although the profiled steel plate concrete floor slab has higher construction speed and better integral rigidity, the cost is high, the two-way rigidity in the plane is unequal, the bottom surface of the floor slab is uneven, and the ceiling decoration treatment is needed; the existing concrete composite floor slab has the following defects:

1. The laminated surface between the prefabricated layer and the cast-in-place layer needs to be strictly processed, the overall performance is much worse than that of one-step integration, 2, the prefabricated layer only plays the role of a bottom template, the span is not improved compared with a cast-in-place floor with equal thickness, 3, the laminated floor is limited by the conditions of transportation and the like, the width of the laminated floor is limited, the floor has a plurality of joint seams after installation, the floor is poor in compactness and impermeability, 4, the prestressed concrete laminated floor is complex in manufacturing process and high in cost, and the bottom of the plate is not flat due to reverse arching.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an one-way close rib with filling self preservation temperature composite floor is provided, mill's processing is simple, and site operation is convenient, can reduce formwork engineering volume, reduces floor dead weight and materials, improves the span of floor.

For solving the technical problem, the utility model provides an one-way close rib with filling self preservation temperature composite floor slab, including protective layer, light plate die block, I-shaped section bar and the one-way close rib superstructure of cast in situ concrete, the one-way close rib superstructure of cast in situ concrete includes cast in situ concrete close rib and cast in situ concrete slab, and wherein the cast in situ concrete close rib is located between two adjacent light plate die blocks, is located on the I-shaped section bar, and cast in situ concrete slab is located the top of light plate die block, adjacent two between the upper and lower wing limit that light plate die block border portion inserted the I-shaped section bar, form the wedge cross-section on their upper portion, the cross-section of cast in situ concrete close rib also is the wedge. After concrete pouring construction is finished and maintained, the support is detached, and finally, construction of a protective layer is carried out, wherein the protective layer is formed by net hanging and plastering, the protective layer can also be formed by fixing an inorganic plate on the bottom wing edge of the I-shaped section by using self-tapping nails or shooting nails, the protective layer is used for protecting a bottom die of a light plate and improving the fireproof and impact-resistant performance of the light plate, and meanwhile, the protective layer also provides certain hanging capacity and can also be used as a decorative base layer of a floor slab. The protective layer is a hard inorganic plate and comprises a cement fiberboard, a calcium silicate board, a glass fiber mesh cloth hanging net plastering layer, a metal net or a ribbed expanded net plastering layer; the bottom die of the light-weight board is a light-weight inorganic board or an organic material foaming board, wherein the light-weight inorganic board comprises an aerated concrete board, a foam concrete board, foam ceramic, foam glass, a fiber reinforced light-weight board and a light aggregate concrete board; the organic material foamed board includes various foamed boards such as a foamed polystyrene board, a foamed polyurethane board, a foamed phenol board and the like. The I-shaped section bars are plastic extruded section bars and metal section bars, wherein the plastic extruded section bars comprise PVC section bars, PP section bars and the like, and the metal section bars are thin-wall light steel extruded section bars, thin I-shaped steel and the like.

Preferably, the spacing between the cast-in-place concrete ribs is typically 600mm in modulus.

Preferably, the height of the cast-in-place concrete multi-ribbed structure is 50-250 mm according to the span.

In the structure, the bottom surface of the bottom die of the light plate material is flush with the bottom surface of the I-shaped section below the dense rib of the cast-in-place concrete.

In addition, steel bars or steel ribs or steel bar trusses are arranged in the cast-in-place concrete multi-ribbed structure; the cast-in-place concrete slab is provided with a single layer or double layers of steel bars.

The utility model discloses one-way close rib with filling self preservation temperature composite floor to light board die block and I section bar form the one-way close rib of cast in situ concrete as the construction template of floor, behind the cast in situ concrete, form the one-way close rib of cast in situ concrete on the I shape, form cast in situ concrete slab on the light board die block, and the two is that the pouring is in the same place, becomes a body structure, is exactly the one-way close rib superstructure of pouring in situ concrete.

Furthermore, the protective layer positioned at the lowest part of the floor slab and the I-shaped section bar are fixed together through self-tapping screws or shooting screws to protect the light plate bottom die on the upper side, particularly when the light plate bottom die is made of organic foaming materials, the fireproof grade is improved, the upper layer of the composite floor slab is a concrete floor slab, the middle layer of the composite floor slab is made of light heat insulation materials, and the lower layer of the composite floor slab is a hard plate protective layer, so that the composite floor slab is of a sandwich structure and has excellent heat insulation and sound insulation performance.

Furthermore, the upper side surface and the lower side surface of the bottom die of the light plate are provided with dovetail groove structures, so that the binding force between the bottom die and concrete is improved.

Furthermore, the upper wing edge and the lower wing edge of the I-shaped section also have dovetail grooves, so that the binding force with concrete is improved.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention;

Fig. 3 is a front view of the bottom mold of the light plate of the present invention;

Fig. 4 is a front view of the i-shaped section of the present invention;

In fig. 1-4, 1 is a cast-in-place concrete slab, 2 is a lightweight board bottom die, 3 is an i-shaped profile, 4 is cast-in-place concrete ribbed bars, 5 is a protective layer, 6 is floor slab reinforcing steel bars, 7 is ribbed reinforcing steel bars, 8 is a dovetail groove, 9 is a groove, and 10 is a dovetail groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-2, the present invention relates to an one-way multi-ribbed sandwich self-insulation composite floor slab, which comprises a cast-in-place concrete slab 1, wherein the cast-in-place concrete slab 1 is an upper stressed layer of the composite floor slab, and comprises a mesh-shaped horizontally laid floor slab steel bar 6, and some water and electricity pipelines can be pre-buried.

Referring to fig. 1-4, the utility model relates to a one-way multi-ribbed sandwich thermal insulation composite floor, which is characterized in that the opposite side edges of two adjacent light plate bottom moulds (2) are inserted into the gap formed by the upper and lower wing edges of an I-shaped section bar (3), and the three are clamped together; a groove (9) on the right side of the light plate bottom die (2), a groove (9) on the left side of the adjacent light plate bottom die (2) and the upper side surface of the I-shaped section (3) form a cavity groove with a wedge-shaped section, a ribbed steel bar (7) is accommodated in the groove, and concrete is poured in the groove to form a cast-in-place concrete ribbed bar (4); binding floor slab reinforcing steel bars (6) on the bottom die of the light bottom plate to form a net shape, and pouring concrete to form a cast-in-place concrete plate (1); the ribbed steel bars (7) and the floor slab steel bars (6) are tied together through stirrups; the cast-in-place concrete slab (1) and the cast-in-place concrete multi-ribbed slab (4) are formed by one-time casting, and the cast-in-place concrete slab and the cast-in-place concrete multi-ribbed slab form an integral concrete structure; after the construction and the form removal of the floor slab, a protective layer (5) is formed on the bottom side of the floor slab, namely the bottom die (2) of the light plate and the bottom surface of the I-shaped section bar (3), by hanging a net and plastering or fixing an inorganic plate

The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention are intended to be embraced therein.

Claims

1. The one-way multi-ribbed sandwich self-insulation composite floor slab is characterized by comprising a plurality of light plate bottom moulds (2), wherein the side edges of two adjacent light plate bottom moulds (2) are inserted into the middle of a gap formed by the upper wing edge and the lower wing edge of an I-shaped material (3), and the three parts are clamped together; a groove (9) on the right side of the light plate bottom die (2), a groove (9) on the left side of the adjacent light plate bottom die (2) and the upper side surface of the I-shaped section (3) form a cavity groove with a wedge-shaped section, and the groove is internally provided with a ribbed steel bar (7) and a cast-in-place concrete ribbed bar (4); a floor slab reinforcing steel bar (6) and a cast-in-place concrete slab (1) are arranged on the light plate bottom die (2); and a protective layer (5) is arranged below the bottom die (2) of the light plate and the bottom surface of the I-shaped section (3).

2. The self-insulation composite floor slab with the unidirectional multi-ribbed sandwich structure as claimed in claim 1, wherein dovetail grooves (8) are formed in the upper surface and the lower surface of the bottom die (2) of the light plate, and grooves (9) are formed in the left side surface and the right side surface of the bottom die.

3. The self-insulation composite floor slab with the unidirectional multi-ribbed sandwich structure as claimed in claim 1, wherein dovetail grooves (10) are formed in the upper surface and the lower surface of the I-shaped section (3), and gaps formed by the two wing edges are used for clamping the left edge and the right edge of the bottom formwork (2) of the light plate.

4. The unidirectional multi-ribbed sandwich self-insulation composite floor slab as claimed in claim 1, wherein the multi-ribbed steel bars (7) and the floor slab steel bars (6) are tied together by stirrups.