CN216616571U - Steel shell composite cement board dismounting-free mould column - Google Patents

Abstract

The utility model discloses a disassembly-free mould column of a steel shell composite cement board, which is formed by encircling four steel shell composite cement boards, wherein upright post structural steel bars are arranged in the mould column and are used for pouring cement concrete; the upright post structural steel bars comprise spiral stirrups formed by spirally winding steel bars and a plurality of upright post steel bars which are vertically arranged; the steel shell composite cement board comprises a cement board and a composite steel shell compounded on the outer surface of the cement board, a plurality of hexagonal holes arranged according to a honeycomb structure are punched on the composite steel shell, the aperture ratio of the composite steel shell is 35% -45%, and the composite steel shell is tightly compounded on the cement board through triangular edge teeth. The advantages are that: the self weight is light, the production efficiency is greatly improved, the delivery quality is easy to control, the construction loss is small, and the transportation is convenient; the integral bending resistance and shearing resistance are greatly enhanced, and the elastic modulus is larger; the aperture ratio of the composite steel shell is scientific, the anti-pulling strength of the composite steel shell is increased by the arrangement mode of the honeycomb-shaped apertures, and the anti-falling performance is high.

Description

Steel shell composite cement board dismounting-free mould column

Technical Field

The utility model relates to the field of house construction, in particular to a cement board disassembly-free mold column.

Background

In the field of building construction, a support column serving as a load-bearing support column is formed by arranging upright structural steel bars in a support column template and pouring cement concrete, wherein the laid upright structural steel bars are combined by steel bars of a hoop structure. The common detachable pillar templates of the pillar templates, such as the wood pillar templates, have pillar templates which do not need to be detached, such as the detachment-free templates of the cement boards; the cement board disassembly-free template is combined with a building into a whole after the building is completed, and is used as a part of the building, so that the process of disassembling a strut template is omitted, and the speed of building construction is accelerated. However, the support column formed by the cement board non-dismantling formwork has the following defects: in order to ensure various performances such as strength and the like, the concrete has the disadvantages of thick structure, large volume, heavy weight and inconvenient construction; the material is easy to crack when colliding in the transportation and construction processes; the field installation is complicated, and the construction speed is slow.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the existing cement board non-dismantling mold of the building support column, the utility model provides the steel shell composite cement board non-dismantling mold column which is lighter in weight and better in performance.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a steel shell composite cement board disassembly-free mold column comprises an upright post which is surrounded by four steel shell composite cement boards and is hollow inside, and upright post structural steel bars are arranged inside the upright post and are used for pouring cement concrete; the method is characterized in that: the steel shell composite cement board comprises a cement board and a composite steel shell, and the composite steel shell is compounded on the outer side surface of the cement board; the composite steel shell is punched outwards to form a plurality of hexagonal holes arranged according to a honeycomb structure, the inner side of the composite steel shell is provided with triangular side teeth perpendicular to the inner side of the composite steel shell on the edge below the hexagonal holes, each side of the hexagonal hole corresponds to one triangular side tooth, each triangular side tooth is embedded in the cement board, and the composite steel shell is tightly compounded on the outer surface of the cement board through each triangular side tooth.

Further, the total area of all hexagonal holes of the composite steel shell accounts for 35% -45% of the total area of the whole composite steel shell.

Further, stand structural reinforcement includes a plurality of stand reinforcing bars of the spiral stirrup that forms and vertical setting by reinforcing bar spiral winding, and the inboard of spiral stirrup is provided with a plurality of fixed set posts, and the stand reinforcing bar passes fixed set post and fixes in the spiral stirrup inboard, and the bottom inboard of spiral stirrup is equipped with the fixed cover of a plurality of reinforcing bars, and the lower extreme of stand reinforcing bar is worn in the fixed cover of reinforcing bar.

Further, the thickness of the composite steel shell is 0.3 mm. The thickness of the steel shell composite cement plate 8 is less than 60 mm.

When the steel shell composite cement board is used, the steel shell composite cement board can be cut into a required shape in a factory, the steel shell composite cement board disassembly-free mold column can be spliced on site, then cement concrete is poured in the steel shell composite cement board disassembly-free mold column, the construction of a building can be completed, and the steel shell composite cement board does not need to be disassembled. The steel shell composite cement board is assembled on site, so that the transportation process is more convenient. When the device is installed on site, the self weight is relatively light, the labor intensity is relatively low, and manual laying operation is convenient; fixed connection is convenient simple, and fixed back connection is more firm, and overall structure can not take place the aversion phenomenon in the work progress, improves the security of construction greatly.

From the above, the present invention also has the following advantages over the prior art: the method can be applied to any assembled building and is not limited by external conditions; the composite cement board has the advantages of easy processing, simple structure and easy manufacture, under the condition of unchanged performance indexes and the action of the composite steel shell, the whole thickness of the steel shell composite cement board is thinner, the self weight is lighter, the production efficiency is greatly improved, the outgoing quality is easy to control, the construction loss is small, and the large-scale production in a factory can be realized; the transportation is also convenient; the performance is stronger, and due to the clamping of the composite steel shell, the bending resistance and the shearing resistance of the integral non-dismantling mold column of the composite cement board are greatly enhanced, and the elastic modulus is larger; due to the existence of the composite steel shell, the composite steel shell can be spliced with other beams, walls and the like formed by steel shell composite cement plates into a whole through processes such as welding and the like, so that the auxiliary fixation is completed, and concrete is poured to form a building with an integral structure; the installation is convenient, the field installation is simple, and the construction speed is high.

Drawings

Fig. 1 is a schematic view of a steel-shell composite cement board mold-dismantling-free column in a preferred embodiment of the utility model.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view of a post and helical stirrup.

Fig. 4 is a schematic view of a steel-clad composite cement panel.

Fig. 5 is a cross-sectional view of fig. 4.

The reference numbers illustrate: 1-steel shell composite cement plate non-dismantling mold column, 8-steel shell composite cement plate, 81-cement plate, 83-composite steel shell, 84-hexagonal hole and 85-triangular edge tooth; 12-column structural steel bars, 13-spiral stirrups, 14-column steel bars, 15-fixed sleeve columns, 16-steel bar fixed sleeves and 17-beam grooves.

Detailed Description

The utility model and its advantageous technical effects are explained in further detail below with reference to the drawings and preferred embodiments.

Referring to fig. 1 to 3, the demolition-free mold column for the steel-shell composite cement slab of the preferred embodiment of the utility model comprises an upright column which is hollow inside and is surrounded by four steel-shell composite cement slabs 8, and an upright column structural steel bar 12 is arranged inside the upright column; referring to fig. 4-5, the steel-shell composite cement board 8 comprises a cement board 81 and a composite steel shell 83, wherein the composite steel shell 83 is compounded on the outer side surface of the cement board 81; the outward side of the composite steel shell 83 is punched with a plurality of hexagonal holes 84 arranged according to a honeycomb structure, the inward side of the composite steel shell 83 is provided with triangular side teeth 85 perpendicular to the inward side of the composite steel shell 83 on the edge below the hexagonal holes 84, each side of the hexagonal holes 84 corresponds to one triangular side tooth 85, when the triangular side teeth 85 downwards punch the hexagonal holes 84 through the composite steel shell 83, the hexagonal holes 84 are formed by splitting natural flanging along the diagonal line from the center point of the hexagonal holes 84, each triangular side tooth 85 is embedded in the cement board 81, and the composite steel shell 83 is tightly compounded on the outer side surface of the cement board 81 through each triangular side tooth 85. The thickness of the steel shell composite cement plate 8 is less than 60 mm.

Referring to fig. 4, the total area of all hexagonal holes 84 of the composite steel shell 83 preferably accounts for 35% to 45% of the total area of the whole composite steel shell 83. That is, the aperture ratio of the composite steel shell 83 is 35% to 45%, preferably 35%, 40% or 45%, and most preferably 40%. The hexagonal holes on the composite steel shell 83 are arranged in a honeycomb manner, so that the pulling resistance between the composite steel shell 83 and the cement board 81 is multiplied, all parts of the composite steel shell 83 are uniformly stressed, the weak point of stress damage is avoided to the greatest extent, and the pulling resistance of the composite steel shell 83 is greatly improved. The aperture ratio of the composite steel shell 83 is 35% -45%, so that the matching between the pulling resistance of the composite steel shell 83 and the plate main body and the overall strength of the composite steel shell cement plate 8 of the composite steel shell 8 is in an optimal state. If the aperture ratio is too low, the combination state between the composite steel shell 83 and the cement plate 81 is not ideal enough, the thermal expansion and cold contraction resistance is reduced, and the integral strength of the steel shell composite cement plate 8 is increased; if the aperture ratio is too high, the combination between the composite steel shell 83 and the plate is tight, the thermal expansion and cold contraction resistance is also reduced, and the overall strength of the steel shell composite cement plate 8 is reduced.

Referring to fig. 2, preferably, the column structural steel bars 12 include a spiral stirrup 13 formed by spirally winding steel bars and a plurality of vertically arranged column steel bars 14, the inner side of the spiral stirrup 13 is provided with a plurality of fixed sleeve columns 15, the column steel bars 14 pass through the fixed sleeve columns 15 and are fixed on the inner side of the spiral stirrup 13, the inner side of the bottom of the spiral stirrup 13 is provided with a plurality of steel bar fixing sleeves 16, and the lower end of the column steel bars 14 passes through the steel bar fixing sleeves 16. The column structural steel bar 12 formed by the spiral stirrups 13 has a buffering characteristic, and the steel shell composite cement plate mould-removal-free column 1 is ensured to have better mechanical property.

Referring to fig. 2, the upper end of the steel-shell composite cement slab non-demolition mold column 1 is preferably provided with a beam groove 17 for mounting a building beam.

Preferably, the composite steel shell 83 has a thickness of 0.3 mm.

The steel shell composite cement board dismounting-free mold column provided by the utility model has the advantage that the overhead area in the steel shell composite cement board dismounting-free mold column can meet the requirement of embedding the electromechanical pipeline of the building equipment. The method of the common precast concrete laminated slab and the steel bar truss floor bearing plate in the prior art can be referred, and concrete is poured in the disassembly-free mould column of the steel shell composite cement plate. From the integral structural performance, under the same stress condition, the average thickness of the steel shell composite cement board can be reduced by more than 30 percent.

When the steel shell composite cement plate is used, the steel shell composite cement plate can be cut into a required shape in a factory, the steel shell composite cement plate disassembly-free mold column can be spliced and fixed on site, then cement concrete is poured in the steel shell composite cement plate disassembly-free mold column, and then construction of a building can be completed. After the construction is completed, the steel shell composite cement board disassembly-free mold column is connected with the building body into a whole, the steel shell composite cement board is connected with the steel shell composite cement board disassembly-free mold column into a whole, and the steel shell composite cement board does not need to be disassembled. When the composite cement plate is installed on site, the steel shell composite cement plate has relatively light self weight and relatively low labor intensity, so that manual laying operation is facilitated; fixed connection is convenient simple, and fixed back connection is more firm, and overall structure can not take place the aversion phenomenon in the work progress, improves the security of construction greatly.

In the above description, the conventional fixing and supporting devices and processes in the prior art, such as field installation, are not described in detail for the sake of brevity. Processing technique and parts which are not disclosed are processed according to the conventional technology in the prior art. The utility model is characterized in that the unique structure of the steel shell composite cement board non-dismantling mold column, compared with the prior art, the composite structure with the special design also reduces the thickness of the steel shell composite cement board non-dismantling mold column on the premise of achieving higher strength; the field operation is more convenient and faster, the field construction speed is improved, the pollution to various environments is reduced, and the production cost and the construction cost are reduced.

The utility model is not limited in any way by the above description and the specific examples, which are not limited to the specific embodiments disclosed and described above, but rather, several modifications and variations of the utility model are possible within the scope of the utility model as defined in the claims.

Claims (4)

1. A steel shell composite cement board disassembly-free mold column comprises an upright post which is surrounded by four steel shell composite cement boards and is hollow inside, and upright post structural steel bars are arranged inside the upright post and are used for pouring cement concrete; the method is characterized in that: the steel shell composite cement board comprises a cement board and a composite steel shell, and the composite steel shell is compounded on the outer side surface of the cement board; the composite steel shell is punched outwards to form a plurality of hexagonal holes arranged according to a honeycomb structure, the inner side of the composite steel shell is provided with triangular side teeth perpendicular to the inner side of the composite steel shell on the edge below the hexagonal holes, each side of the hexagonal hole corresponds to one triangular side tooth, each triangular side tooth is embedded in the cement board, and the composite steel shell is tightly compounded on the outer surface of the cement board through each triangular side tooth.

2. The steel-shell composite cement plate mold-disassembly-free column as claimed in claim 1, wherein: the total area of all hexagonal holes of the composite steel shell accounts for 35% -45% of the total area of the whole composite steel shell.

3. The steel-shell composite cement plate mold-dismantling-free column as claimed in claim 1 or 2, wherein: the stand structural reinforcement includes a plurality of stand reinforcing bars of the spiral stirrup that is formed by reinforcing bar spiral coiling and vertical setting, and the inboard of spiral stirrup is provided with a plurality of fixed set posts, and the stand reinforcing bar passes fixed set post to be fixed in the spiral stirrup inboard, and the bottom inboard of spiral stirrup is equipped with a plurality of fixed covers of reinforcing bar, and the lower extreme of stand reinforcing bar is worn in fixed cover of reinforcing bar.

4. The steel-shell composite cement plate mold-dismantling-free column as set forth in claim 3, wherein: and the upper end of the steel shell composite cement plate non-dismantling mold column is provided with a beam groove for mounting a building beam.

Images