CN217000290U

CN217000290U - ALC side fascia and floor carrier plate connection structure

Info

Publication number: CN217000290U
Application number: CN202220524217.2U
Authority: CN
Inventors: 顾强; 问泽兴; 张健
Original assignee: Baosheng System Integration Technology Co ltd
Current assignee: Baosheng System Integration Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-19
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a connecting structure of an ALC external wall panel and a floor support plate in the field of assembly type buildings, wherein the external wall panel comprises an upper ALC panel and a lower ALC panel, a PU foaming layer is clamped between the upper ALC panel and the lower ALC panel, a connecting plate is arranged on the inner side of the external wall panel and comprises a vertical plate and a transverse plate, the vertical plate is attached to the inner surfaces of the upper ALC panel and the lower ALC panel, the transverse plate vertically extends out from the outer surface of the vertical plate, the upper surface of the transverse plate is attached to the upper ALC panel, an I-shaped steel beam is arranged at the bottom of the outer end of the floor support plate, an L-shaped connecting beam is connected to the outer side of the I-shaped steel beam, the vertical edge of the L-shaped connecting beam is welded and fixed to the vertical plate, the transverse edge of the L-shaped connecting beam is welded and fixed to an upper wing plate of the I-shaped steel beam, a fine aggregate concrete filling part and a rock wool caulking part are sequentially arranged between the outer end of the floor support plate and the external wall panel from inside to outside, and the transverse edge of the L-shaped connecting beam extends into the fine aggregate concrete filling part. The ALC external wall panel and floor support plate connecting structure has the advantages of high connecting strength, good connecting reliability, good sealing, fire prevention and heat insulation performances and the like.

Description

ALC side fascia and floor carrier plate connection structure

Technical Field

The utility model relates to the field of assembly type buildings, in particular to a connecting structure of an ALC external wall panel and a floor support plate.

Background

In the field of buildings, the demands of people on building industrialization are changed silently, concepts such as green buildings, sustainable development, energy conservation and emission reduction are gradually deeply paid attention to, and the conversion from the traditional extensive building production mode to intensive building becomes a key problem facing the current building industry. Under the background of the large environment, the assembly type building not only breaks through the limitation in the traditional house construction process, provides effective guarantee for the construction quality of the building engineering by utilizing advanced technical means, but also can effectively solve the phenomenon of labor resource shortage in the building market. Currently, the structural forms of the prefabricated building are mainly classified into a prefabricated concrete building and a prefabricated steel structure building. Because the construction price of the fabricated concrete is relatively low, the fabricated concrete is widely applied to actual engineering.

At present, autoclaved aerated concrete (ALC) slabs are adopted in a large number of walls in fabricated buildings. The ALC board has the effects of heat preservation, heat insulation, sound insulation, earthquake resistance and the like, and is a novel building material with excellent performance. Among the prior art, ALC side fascia and building carrier plate hookup location bottom are equipped with the support girder steel usually, because the expend with heat and contract with cold characteristic etc. of panel, lead to side fascia and building carrier plate, support girder steel hookup location intensity and reliability limited, and hookup location's sealed, fire prevention, heat-proof quality etc. are not satisfactory yet, need further improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a connecting structure of an ALC external wall panel and a floor support plate, which has good connecting strength and connecting reliability and improves the sealing, fire-proof and heat-insulating properties of a connecting position.

The purpose of the utility model is realized as follows: a connecting structure of an ALC external wall panel and a floor support plate comprises an upper ALC panel and a lower ALC panel, a PU foaming layer is clamped between the upper ALC panel and the lower ALC panel, a connecting plate is arranged on the inner side of the external wall panel, the connecting plate comprises a vertical plate and a transverse plate, the vertical plate is arranged on the inner surfaces of the upper ALC panel and the lower ALC panel in an attaching mode, the transverse plate vertically extends out of the outer surface of the vertical plate, the upper surface of the transverse plate is attached to the upper ALC panel, the lower surface of the floor support plate is parallel to the lower surface of the PU foaming layer, an I-shaped steel beam is arranged at the bottom of the outer end of the floor support plate, an L-shaped connecting beam is connected to the outer side of the I-shaped steel beam, the vertical edge of the L-shaped connecting beam is welded and fixed to the vertical plate, an upper gib head bolt is arranged in the upper ALC panel, a gib head of the upper gib head bolt hooks the vertical edge of the L-shaped connecting beam and is welded and fixed to the lower ALC panel, a lower gib head bolt is welded and fixed to the upper panel, be equipped with pea gravel concrete portion of filling and rock wool scarf joint portion from inside to outside in proper order between building carrier plate outer end and the side fascia, the horizontal limit of L type tie-beam stretches into in the pea gravel concrete portion of filling. The ALC external wall panel and floor support plate connecting structure has the advantages of high connecting strength, good connecting reliability, good sealing, fire prevention and heat insulation performances and the like.

As a further improvement of the utility model, a gap is left between the outer side of the I-shaped steel beam and the external wall panel, so that the influence on the reliability of the connecting position due to different thermal expansion and cold contraction properties of various materials is further reduced.

As a further improvement of the utility model, the side fireproof plates and the bottom fireproof plate are arranged on the inner side and the bottom of the steel I-beam in a surrounding manner, so that the fireproof and heat-insulating properties of the connecting position are further improved.

As a further improvement of the utility model, two groups of L-shaped connecting pieces are arranged on the inner side of the side fireproof plate, the transverse edges of the L-shaped connecting pieces are welded and fixed with the upper wing plate or the lower wing plate of the I-shaped steel beam, and the vertical edges of the L-shaped connecting pieces are connected with the side fireproof plate through first self-tapping screws, so that the connection mode is simple and reliable.

As a further improvement of the utility model, a support piece is arranged between the bottom fireproof plate and the lower wing plate of the I-shaped steel beam, the middle of the bottom of the support piece is concave upwards, two sides of the bottom of the support piece are abutted against the bottom fireproof plate, the middle of the top of the support piece is open, two sides of the support piece are provided with inner bending edges, and a second self-tapping screw penetrates through the bottom fireproof plate and the support piece to be connected with the lower wing plate of the I-shaped steel beam. The supporting piece has a certain elastic deformation space, and the influence on the connection reliability caused by factors such as expansion with heat and contraction with cold, vibration and the like is reduced.

As a further improvement of the utility model, the outer side of the PU foaming layer close to the outer surface of the external wall panel is sequentially provided with a PE rod, sealant and caulking agent from inside to inside, and the inner side of the PU foaming layer close to the inner surface of the external wall panel is filled with the caulking agent, so that the heat preservation and insulation sealing performance of the splicing position of the external wall panel is further improved.

As a further improvement of the utility model, the outer surface of the vertical plate and the upper surface and the lower surface of the transverse plate are provided with adhesives, so that the connection efficiency and the connection reliability are improved.

As a further improvement of the utility model, alkali-resistant mesh cloth is adhered to the outer sides of the splicing positions of the upper ALC board and the lower ALC board, so that the heat-insulating and anti-cracking performance of the connecting position is further improved.

As a further improvement of the utility model, the outer side of the external wall panel is provided with a polymer waterproof mortar layer, a heat-insulating layer and a decorative layer, so that the heat-insulating property and the aesthetic property of the external wall body are further improved.

Drawings

FIG. 1 is a schematic view of the connection structure of the ALC external wall panel and floor deck of the present invention.

Wherein, 1 goes up the ALC board, 2 lower ALC boards, 3 PU foaming layer, 4 risers, 5 diaphragm, 6 building carrier plates, 7I-steel roof beam, 8L type tie-beam, 9 last gib head bolts, 10 lower gib head bolts, 11 fine aggregate concrete filling portion, 12 rock wool scarf joint portion, 13 side PLASTIC LAMINATED, 14 end PLASTIC LAMINATED, 15L type connecting piece, 16 first self-tapping screw, 17 support piece, 18 second self-tapping screw, 19 alkali-resisting net cloth, 20 waterproof mortar layer of polymer, 21 heat preservation, 22 finish coat.

Detailed Description

As shown in FIG. 1, the ALC external wall panel and floor deck connection structure, the external wall panel includes upper ALC board 1 and lower ALC board 2, and PU foaming layer 3 is clamped between upper ALC board 1 and lower ALC board 2. And an alkali-resistant mesh fabric 19 is adhered to the outer sides of the splicing positions of the upper ALC board 1 and the lower ALC board 2 so as to improve the heat-insulating and anti-cracking performance of the connecting position. The side fascia inboard is equipped with the connecting plate, and the connecting plate is including welded riser 4 and diaphragm 5 together. Riser 4 laminating sets up in last ALC board 1 and lower ALC board 2 internal surfaces, and diaphragm 5 stretches out perpendicularly from riser 4 external surfaces and upper surface and the laminating of last ALC board 1, and riser external surface, diaphragm upper surface and lower surface are equipped with the binder to improve connection efficiency.

The lower surface of the floor bearing plate 6 is level with the lower surface of the PU foaming layer 3, and the bottom of the outer end of the floor bearing plate 6 is provided with an I-shaped steel beam 7. A gap is reserved between the outer side of the I-shaped steel beam 7 and the external wall panel, and the influence on the reliability of the connecting position due to different expansion and contraction performances of various materials is reduced. The outer side of the I-shaped steel beam 7 is connected with an L-shaped connecting beam 8. The vertical edge of the L-shaped connecting beam 8 is welded and fixed with the vertical plate 4, and the transverse edge of the L-shaped connecting beam 8 is welded and fixed with the upper wing plate of the I-shaped steel beam 7. An upper hook head bolt 9 is arranged in the upper ALC plate 1, a hook head of the upper hook head bolt 9 hooks a vertical edge of the L-shaped connecting beam 8 and is welded and fixed, a lower hook head bolt 10 is arranged in the lower ALC plate 2, and a hook head of the lower hook head bolt 10 hooks the vertical plate 4 and is welded and fixed.

And a fine aggregate concrete filling part 11 and a rock wool caulking part 12 are sequentially arranged between the outer end of the floor bearing plate 6 and the external wall plate from inside to outside. The horizontal limit of L type tie-beam 8 stretches into in the fine aggregate concrete filling portion 11 to guarantee that the connection position has sufficient joint strength after the pouring of fine aggregate concrete filling portion 11 is accomplished. The thickness of the rock wool caulking part 12 is 30-50mm, and the influence of expansion with heat and contraction with cold on the connection reliability is reduced.

The I-shaped steel beam 7 is surrounded at the inner side and the bottom by a side fireproof plate 13 and a bottom fireproof plate 14. Wherein, the inboard of side PLASTIC LAMINATED 13 is equipped with two sets of L type connecting pieces 15, and the horizontal limit of L type connecting piece 15 and the last pterygoid lamina or the lower pterygoid lamina welded fastening of I-steel roof beam 7, the perpendicular limit of L type connecting piece 15 is connected with side PLASTIC LAMINATED 13 through first self-tapping screw 16, and the connected mode is simple reliable. A supporting piece 17 is arranged between the bottom fireproof plate 14 and the lower wing plate of the I-shaped steel beam 7, the supporting piece 17 is made of metal section, the middle of the bottom of the supporting piece is concave upwards, two sides of the supporting piece are abutted against the bottom fireproof plate 14, the middle of the top of the supporting piece 17 is provided with an opening, and two sides of the supporting piece are provided with inner bending edges. A second self-tapping screw 18 passes through the bottom fireproof plate 14 and the supporting piece 17 to be connected with the lower flange of the steel i-beam 7. The supporting piece 17 has a certain elastic deformation space, and the influence of factors such as expansion with heat and contraction with cold, vibration and the like on the connection reliability is reduced.

The outer side of the PU foaming layer 3 close to the outer surface of the external wall panel is provided with a PE rod, a sealant and a caulking agent in sequence from inside to inside, and the inner side of the PU foaming layer 3 close to the inner surface of the external wall panel is filled with the caulking agent, so that the heat preservation, heat insulation and sealing performance of the splicing position of the external wall panel is further improved.

The outer side of the outer wall panel is provided with a polymer waterproof mortar layer 20, a heat insulation layer 21 and a finish coat 22, so that the heat insulation performance and the aesthetic property of the outer wall body are further improved.

The ALC external wall panel and floor support plate 6 connection structure of this embodiment has joint strength height, and it is good to connect the reliability, and advantages such as sealed, fire prevention, heat-proof quality are good.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts based on the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. The utility model provides a ALC side fascia and floor carrier plate connection structure which characterized in that: the wall panel comprises an upper ALC panel and a lower ALC panel, a PU foaming layer is clamped between the upper ALC panel and the lower ALC panel, a connecting plate is arranged on the inner side of the wall panel and comprises a vertical plate and a transverse plate, the vertical plate is arranged on the inner surfaces of the upper ALC panel and the lower ALC panel in a laminating manner, the transverse plate vertically extends out of the outer surface of the vertical plate, the upper surface of the transverse plate is laminated with the upper ALC panel, the lower surface of the floor bearing plate is parallel to the lower surface of the PU foaming layer, an I-shaped steel beam is arranged at the bottom of the outer end of the floor bearing plate, an L-shaped connecting beam is connected to the outer side of the I-shaped steel beam, the vertical edge of the L-shaped connecting beam is welded and fixed with the vertical plate, the transverse edge of the L-shaped connecting beam is welded and fixed with the upper wing plate of the I-shaped steel beam, an upper gib head bolt is arranged in the upper ALC panel, the gib head of the upper gib head bolt hooks the vertical edge of the L-shaped connecting beam and is welded and fixed, a lower gib head bolt is arranged in the lower ALC panel, and welded and fixed with the gib head riser of the lower gib head bolt, be equipped with pea gravel concrete filling portion and rock wool scarf joint portion from inside to outside in proper order between floor carrier plate outer end and the side fascia, the horizontal limit of L type tie-beam stretches into in the pea gravel concrete filling portion.

2. The ALC external wall panel and floor deck connection structure of claim 1, characterized in that: and a gap is reserved between the outer side of the I-shaped steel beam and the external wall panel.

3. The ALC external wall panel and floor deck connection structure of claim 1, characterized in that: and the inner side and the bottom of the I-shaped steel beam are surrounded by a side fireproof plate and a bottom fireproof plate.

4. The ALC external wall panel and floor deck connection structure of claim 3, characterized in that: the side PLASTIC LAMINATED inboard is equipped with two sets of L type connecting pieces, the horizontal limit of L type connecting piece and the last pterygoid lamina or the lower pterygoid lamina welded fastening of I-steel roof beam, the perpendicular limit of L type connecting piece is connected with the side PLASTIC LAMINATED through first self-tapping screw.

5. The ALC external wall panel and floor deck connection structure of claim 3, characterized in that: the bottom fireproof plate is connected with the lower wing plate of the I-shaped steel beam through the second self-tapping screws, the two sides of the middle of the bottom of the supporting piece are provided with inner bending edges, and the second self-tapping screws penetrate through the bottom fireproof plate and the lower wing plate of the I-shaped steel beam and are connected with the lower wing plate of the I-shaped steel beam.

6. The ALC external wall panel and floor deck connection structure of any one of claims 1-5, characterized in that: the outer side of the PU foaming layer, which is close to the outer surface of the external wall panel, is provided with a PE rod, a sealant and a caulking agent in sequence from inside to inside, and the inner side of the PU foaming layer, which is close to the inner surface of the external wall panel, is filled with the caulking agent.

7. The ALC external wall panel and floor deck connection structure of any one of claims 1-5, wherein: and the outer surface of the vertical plate, the upper surface of the transverse plate and the lower surface of the transverse plate are provided with bonding agents.

8. The ALC external wall panel and floor deck connection structure of any one of claims 1-5, wherein: and alkali-resistant mesh cloth is adhered to the outer sides of the splicing positions of the upper ALC plate and the lower ALC plate.

9. The ALC external wall panel and floor deck connection structure of any one of claims 1-5, wherein: and a polymer waterproof mortar layer, a heat insulation layer and a decorative surface layer are arranged on the outer side of the external wall panel.