CN210530135U

CN210530135U - Vertical concatenation node structure of partial cladding shaped steel concrete column

Info

Publication number: CN210530135U
Application number: CN201920736809.9U
Authority: CN
Inventors: 徐国军; 蒋路; 张孝栋; 施元强; 赵阳
Original assignee: Zhejiang Green Building Integration Technology Co Ltd
Current assignee: Zhejiang Green Building Integration Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-05-15
Anticipated expiration: 2029-05-22

Abstract

The utility model relates to a vertical splicing node structure of a partially-coated steel reinforced concrete column, which comprises an upper PEC column, a lower PEC column, a web splicing plate, a rear welding steel plate and fireproof and anticorrosive coating; wherein the upper and lower PEC columns are vertically spliced; the upper PEC column comprises H-shaped steel and concrete poured in the H-shaped steel; the H-shaped steel comprises a web plate and flanges welded to two sides of the web plate; concrete is not poured at the splicing position of the upper PEC column and the lower PEC column; the web splicing plate is connected with the web of the upper PEC column and the web of the lower PEC column in the area where no concrete is poured; the rear welding steel plate is welded between the upper PEC column and the lower PEC column, and the area where concrete is not poured is sealed; the fireproof and anticorrosive coating is coated on the outer surface of the post-welded steel plate. The utility model uses steel plates to replace post-cast concrete to ensure the strength rigidity and the vertical stress continuity of the PEC column vertical splicing node; and a certain distance is arranged between the rear welding steel plate and the outer edge of the flange of the column, so that a space is reserved for corrosion prevention and fire prevention.

Description

Vertical concatenation node structure of partial cladding shaped steel concrete column

[ technical field ] A method for producing a semiconductor device

The utility model relates to a connection structure between the building element, concretely relates to vertical concatenation node structure of partial cladding shaped steel concrete post belongs to building engineering technical field.

[ background of the invention ]

China vigorously pushes the traditional building to be transformed into an industrialized building. In the traditional building, a cast-in-place reinforced concrete structure is mainly used, most of the cast-in-place reinforced concrete structure needs to be bound on site by a site formwork, and the problems of long site construction period, serious environmental pollution, large stacking site, shortage of constructors and the like become barriers for inhibiting the progress and development of the building industry.

As an industrialized building system, the steel structure has the advantages of high construction speed, good earthquake resistance and recyclable materials, meets the building industrialization standard requirements of standardized design, factory manufacture, assembly construction and information management, but has prominent sound insulation and waterproof problems of the steel structure and the fireproof and anticorrosion problems of components.

The steel reinforced concrete (PEC) column is partially coated, so that the complete prefabrication of a factory can be realized, and the concrete is prevented from being poured in situ. The combination of the section steel and the concrete enables the PEC column to have larger bearing capacity and lateral rigidity, and the effect that 1+1 is larger than 2 is achieved.

Because the PEC column is partially coated with the section steel concrete (PEC) column and the coating concrete participates in the vertical stress of the structure, a node steel rib splicing space is required to be reserved during prefabrication at a PEC column vertical splicing node, no concrete is poured, after the steel ribs are spliced on site and aligned on site, the concrete is poured, the post-poured concrete needs to be poured compactly to ensure continuous force transmission of the structure, a pouring seam cannot be formed between the prefabricated concrete and the post-poured concrete, the ideal effect cannot be achieved by using the existing materials and pouring technologies, the wet operation is increased on site, and the post-pouring process of the node area is complicated.

Therefore, in order to solve the above technical problems, it is necessary to provide an innovative vertical splicing node structure of a partially-clad steel reinforced concrete column, so as to overcome the above drawbacks in the prior art.

[ Utility model ] content

In order to solve the problem, an object of the utility model is to provide a vertical concatenation node structure of part cladding shaped steel concrete post, it avoids the regional cast in situ concrete of node under the prerequisite of assurance intensity and rigidity to guarantee that the biography power of vertical concatenation node is continuous.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vertical splicing node structure of a partially-coated steel concrete column comprises an upper PEC column, a lower PEC column, a web splicing plate, a rear welding steel plate and fireproof anticorrosion coating; wherein the upper PEC column and the lower PEC column are vertically spliced; the upper PEC column comprises H-shaped steel and concrete poured in the H-shaped steel; the H-shaped steel comprises a web plate and flanges welded to two sides of the web plate; concrete is not poured at the splicing position of the upper PEC column and the lower PEC column; the web splicing plate is connected with the web of the upper PEC column and the lower PEC column in the area where no concrete is poured; the rear welding steel plate is welded between the upper PEC column and the lower PEC column, and the area where concrete is not poured is sealed; the fireproof and anticorrosive coating is coated on the outer surface of the post-welded steel plate.

The utility model discloses a partially wrap the vertical concatenation node structure of shaped steel concrete column and further set up to: a transverse clapboard is welded on the H-shaped steel at a position 300mm away from the splicing position; the diaphragm plate is positioned between the flanges and is vertical to the flanges and the web plate; the diaphragm plate divides a concrete area and an area where concrete is not poured.

The utility model discloses a partially wrap the vertical concatenation node structure of shaped steel concrete column and further set up to: the web splicing plate is connected with the webs of the upper H-shaped steel and the lower H-shaped steel through welding or high-strength bolts.

The utility model discloses a vertical concatenation node structure of part cladding shaped steel concrete post still sets up to: the rear welding steel plate is embedded into the upper PEC column and the lower PEC column, and the embedding depth is the thickness of fireproof anticorrosion coating.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a part covers the vertical concatenation node structure of shaped steel concrete column and welds the steel sheet behind the nodal region, adopts the calculation method of rigidity such as constant intensity to replace the concrete, guarantees the vertical and horizontal direction's of nodal region intensity and rigidity.

2. The vertical splicing node structure of the partially-coated steel reinforced concrete column of the utility model avoids the in-situ concrete casting, reduces the complex process brought by in-situ post-cast concrete and the casting common fault;

3. the utility model discloses a vertical concatenation node structure of part cladding shaped steel concrete column's upper and lower cross slab is prefabricated at the mill, and the web splice plate is good material area to scene under the mill, and the work on scene moves to the mill and accomplishes, improves construction quality reduction of erection time.

4. The utility model discloses a partial cladding shaped steel concrete column vertical concatenation node structure's node area replaces the concrete atress with the steel sheet, treats that PEC column vertical concatenation node edge of a wing welds the back and can weld the steel sheet, and the steel sheet welding does not receive concrete placement technology's influence, and construction speed is fast, and construction quality guarantees easily.

5. The utility model discloses a part covers vertical concatenation node structure of shaped steel concrete column welds the steel sheet and reserves anticorrosive fire prevention space outward behind the node district, guarantees the roughness of the outer facade of node district steel construction anticorrosive fire prevention construction rear structure.

[ description of the drawings ]

Fig. 1 is the utility model discloses a part cladding shaped steel concrete column vertical concatenation node structure's three-dimensional exploded view.

Fig. 2 is the utility model discloses a part covers vertical concatenation node structure of shaped steel concrete column and welds the stereogram of steel sheet after not welding.

Fig. 3 is the utility model discloses a part covers vertical concatenation node structure of shaped steel concrete column does not coat the stereogram of fire prevention anticorrosive application.

[ detailed description ] embodiments

Referring to the attached drawings 1 to 3 of the specification, the utility model relates to a vertical splicing tempering node of a part cladding type steel concrete (PEC) column, which is assembled by an upper PEC column 1, a lower PEC column 2, a web splicing plate 3, a rear welding steel plate 4, fireproof and anticorrosion coating 5 and the like.

Wherein the upper and lower PEC columns 1 and 2 are vertically spliced. The upper and lower PEC columns 1, 2 were not concreted at the splice.

In this embodiment, the upper and lower PEC columns 1 and 2 are identical in structure. The upper PEC column 1 is composed of H-shaped steel 11 and concrete 12 poured into the H-shaped steel 11. The H-section steel 11 includes a web 13 and flanges 14 welded to both sides of the web 13.

Further, a transverse clapboard 6 is welded on the H-shaped steel 11 at a position 300mm away from the splicing position; the diaphragms 6 are positioned between the flanges 14 and are perpendicular to the flanges 14 and the web 13. The diaphragm plate 6 divides a concrete area and a concrete area 7 which is not poured, and is used as a diaphragm plate in concrete and a vertical force transmission component in vertical splicing.

The web splice plate 3 connects the upper PEC column 1 and the lower PEC column 2. Specifically, the web splicing plate 3 is connected with the web 13 of the upper and lower H-shaped steel 11 through welding or high-strength bolts.

The post-welded steel plate 3 is welded between the upper and lower PEC columns 1, 2 and encloses an area 7 where no concrete is poured. And welding the steel plate 3 after welding the node area, wherein the steel plate 3 after welding adopts a calculation method of equal strength and equal rigidity to replace concrete, and the strength and the rigidity of the node area in the vertical direction and the horizontal direction are ensured. The rear welding steel plate 3 is embedded into the upper PEC column 1 and the lower PEC column 2, the embedding depth is the thickness of fireproof anticorrosion coating 5, and a space is reserved for anticorrosion and fireproof. The fireproof and anticorrosive coating 5 is coated on the outer surface of the post-welding steel plate 3, so that the flatness of the outer vertical surface of the structure after the steel structure in the node area is subjected to anticorrosive and fireproof construction is guaranteed.

The utility model discloses a part cladding shaped steel concrete column vertical concatenation node structure's preparation method as follows:

1) an upper PEC column 1 and a lower PEC column 2 are prefabricated, and transverse partition plates are additionally arranged in the range of 300mm above and below a node when the PEC columns are prefabricated in a factory;

2) before the PEC column 1 is hoisted, the web splicing plate 3 is connected with the lower PEC column 2;

3) hoisting and correcting the upper PEC column 1, then screwing a high-strength bolt on the web splicing plate 3 to splice the upper PEC column 1 and the lower PEC column 2,

4) the post-welded steel plate 3 is placed at a designated position for four-side welding, and a certain distance is arranged between the post-welded steel plate 3 and the outer edge of the flange 14, so that a space is reserved for corrosion prevention and fire prevention;

5) and coating fireproof and anticorrosive paint 5 on the outer surface of the post-welded steel plate 3 to finally finish the partially-coated steel reinforced concrete column vertical splicing node structure.

The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.

Claims

1. The utility model provides a vertical concatenation node structure of partial cladding shaped steel concrete column which characterized in that: the composite plate comprises an upper PEC column, a lower PEC column, a web splicing plate, a rear welding steel plate and fireproof anticorrosion coating; wherein the upper PEC column and the lower PEC column are vertically spliced; the upper PEC column comprises H-shaped steel and concrete poured in the H-shaped steel; the H-shaped steel comprises a web plate and flanges welded to two sides of the web plate; concrete is not poured at the splicing position of the upper PEC column and the lower PEC column; the web splicing plate is connected with the web of the upper PEC column and the lower PEC column in the area where no concrete is poured; the rear welding steel plate is welded between the upper PEC column and the lower PEC column, and the area where concrete is not poured is sealed; the fireproof and anticorrosive coating is coated on the outer surface of the post-welded steel plate.

2. The partially clad steel reinforced concrete column vertical splicing node structure of claim 1, wherein: a transverse clapboard is welded on the H-shaped steel at a position 300mm away from the splicing position; the diaphragm plate is positioned between the flanges and is vertical to the flanges and the web plate; the diaphragm plate divides a concrete area and an area where concrete is not poured.

3. The partially clad steel reinforced concrete column vertical splicing node structure of claim 1, wherein: the web splicing plate is connected with the webs of the upper H-shaped steel and the lower H-shaped steel through welding or high-strength bolts.

4. The partially clad steel reinforced concrete column vertical splicing node structure of claim 1, wherein: the rear welding steel plate is embedded into the upper PEC column and the lower PEC column, and the embedding depth is the thickness of fireproof anticorrosion coating.