CN111549903A - Super large entrance to a cave ALC board assembly steel frame structure - Google Patents

Abstract

The invention discloses a super-large opening ALC plate assembling steel frame structure, comprising upper and lower floors of a building structure, a window opening is arranged between the upper and lower floors, and an upper window ALC plate and a lower window ALC are respectively laid between the window opening and the upper and lower floors. Square tube columns are respectively arranged on both sides of the width of the window opening, and the upper and lower ends of the square tube columns are welded and fixed with the pre-embedded parts of the upper floor and the pre-embedded parts of the lower floor respectively. The upper beam of the window opening and the lower beam of the window opening, the two ends of the upper beam of the window opening and the lower beam of the window opening are respectively welded and fixed with the square tube columns on both sides, and the upper end surface of the upper beam of the window opening is provided with a U-shaped card by screws, and the upper window ALC board card The U-shaped card is assembled between the upper beam and the upper floor at the opening of the window, the end face of the upper window ALC board and the upper floor are extruded and fixed by the adhesive, and the upper and lower ends of the lower window ALC board are extruded and assembled on the upper floor by the adhesive. Between the lower beam and the lower floor of the window opening.

Description

A super-large hole ALC plate assembly steel frame structure

technical field

The invention relates to a steel frame structure for assembling an ALC plate with a super large opening.

Background technique

The steel structure frame building adopts prefabricated ALC autoclaved aerated concrete products. According to the requirements of function and appearance, the size of the hole exceeds the current specifications. How to ensure the use of functions and eliminate hidden dangers in quality? The traditional concrete frame cannot meet the current prefabricated requirements, which is obviously labor-intensive Time-consuming is not a good method; according to the current specification, ALC autoclaved aerated concrete cannot firmly fix the door or window frame. Repeated loading will cause problems such as loosening of doors and windows, water leakage around openings, and cracking of interior decorative surfaces. Changing the design and reducing the size of the opening cannot meet the people's desire for an increasingly better living environment. It is necessary to consider how to increase the firmness, safety and economy of the opening. Obviously, it is necessary to seriously consider how to combine the current prefabricated trend to solve the ALC autoclaved aerated concrete strip. The problem of the oversized hole in the board.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a kind of super large opening ALC plate assembly steel frame structure; The angle steel is fastened to the lower ALC autoclaved aerated concrete slats, and the door frame or the window attachment frame is welded to the steel frame, which overcomes the problems of loose doors and windows, water leakage around the opening, and cracking of the interior decoration surface caused by repeated loads.

In order to achieve the above object, the technical scheme of the present invention is: a super-large opening ALC plate assembling steel frame structure, including the upper and lower floors of the building structure, between the upper and lower floors, a window opening is provided, and the width of the window opening is not less than 2400mm. The upper window ALC board and the lower window ALC board are respectively laid between the upper and lower floors. Among them, square tube columns are arranged on both sides of the width of the window opening, and the upper and lower ends of the square tube columns are respectively embedded with the pre-embedded parts of the upper floor and the lower floor. The upper beam of the window opening and the lower beam of the window opening are respectively set between the two square tube columns. A U-shaped card is provided by screws, and the upper window ALC board is inserted into the U-shaped card and assembled between the upper beam and the upper floor of the window opening, and the end face of the upper window ALC board and the upper floor are extruded and fixed by adhesive. The upper and lower ends of the ALC plate of the lower window are extruded and assembled between the lower beam of the window opening and the lower floor slab through adhesive extrusion.

The scheme is further as follows: the square tube column is a steel square tube column with a cross-section of 150mm×200mm and a steel plate thickness of 6mm, and the upper beam of the window opening is a steel square tube with a cross-section of 150mm×200mm and a steel plate thickness of 6mm. The lower beam of the window opening is an angle steel lower beam with a thickness of 110mm×110mm and a steel plate thickness of 8mm.

The plan is further as follows: the embedded parts include steel plates with a thickness of 280mm×200mm and a thickness of 8mm, at least 4 protruding bolts are pre-embedded on the upper and lower floor slabs, and the steel plates are provided with through holes corresponding to the 4 bolts, and the through holes of the steel plates are provided. Set the bolts to fix the steel plate against the floor plate through nuts, and the upper and lower ends of the square tube column are respectively welded and fixed with the pre-embedded steel plate of the upper floor and the pre-embedded steel plate of the lower floor.

The solution is further as follows: the adhesive is building foam glue or cement slurry.

The plan is further as follows: there is a gap of at least 5mm between the upper end of the upper window ALC board and the upper floor slab, the 5mm gap is filled with adhesive and compacted, and the upper and lower ends of the lower window ALC board are respectively connected with the lower beam of the window opening and the lower floor slab. Leave a gap of at least 5mm between them, and the gap of 5mm is filled and compacted with adhesive.

The beneficial effects of the present invention are as follows: the upper and lower ALC pressurized aerated concrete strips are fixed by the square steel beam, the upper U-shaped card and the angle steel beam to prevent it from falling off due to excessive self-weight or horizontal load; the door frame or the window is attached to the frame Welding with the steel frame transfers the load to the upper and lower floor decks through the beams and columns, avoiding the wall directly bearing the load, and overcoming the problems of loose doors and windows, water leakage around the opening, and cracking of the interior decorative surface caused by repeated loads.

The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Figure 2 is a schematic diagram of the steel plate structure of the embedded part.

Detailed ways

A super-large opening ALC board assembled steel frame structure, as shown in Figure 1 and Figure 2, includes the upper floor 1 and the lower floor 2 of the building structure, and there is a window opening 3 between the upper and lower floors. The ALC board is used for assembling the steel frame structure. For the window opening whose width is not less than 2400mm, the upper window ALC board 4 and the lower window ALC board 5 are respectively laid between the window opening and the upper and lower floor slabs. The upper and lower ends of the tube column are welded and fixed with the upper floor embedded part 7 and the lower floor embedded part 8 respectively, and between the two square tube columns are respectively provided with window opening upper beam 9 and window opening lower beam 10, window opening upper beam and window opening The two ends of the lower beam of the opening are respectively welded and fixed with the square tube columns on both sides, and the upper end surface of the upper beam of the window opening is provided with a U-shaped card 11 through screws. Between the upper floor slabs, the upper end face of the upper window ALC board 4 and the upper floor slab are extruded and fixed by adhesive, and the upper and lower ends of the lower window ALC board are extruded and assembled between the lower beam and the lower floor slab at the window opening, The adhesive can be building foam glue or cement slurry. In order to facilitate installation, there is a gap of at least 5mm between the upper end of the upper window ALC board 4 and the upper floor 1, and the 5mm gap is filled and compacted with adhesive. The upper and lower ends of the lower window ALC board 5 are respectively connected with the lower beam 10 of the window opening There should be at least a 5mm gap between it and the lower floor slab 2, and the 5mm gap should be filled and compacted with adhesive.

Wherein: the square tube column is a steel square tube column with a cross section of 150mm×200mm and a steel plate thickness of 6mm, and the upper beam of the window opening is a steel square tube upper beam with a cross section of 150mm×200mm and a steel plate thickness of 6mm, The lower beam of the window opening is an angle steel lower beam with a thickness of 110mm×110mm and a steel plate thickness of 8mm.

As shown in FIG. 2 , the embedded parts include steel plates 701 and 801 with a thickness of 280 mm×200 mm and a thickness of 8 mm, and at least four protruding bolts are pre-embedded on the upper and lower floor slabs. It can also be an expansion bolt set by drilling holes after pouring. The steel plate is provided with through holes corresponding to 4 bolts. The through holes of the steel plate are inserted into the bolts to fix the steel plate against the floor through nuts. The upper and lower ends of the square tube column It is welded and fixed with the pre-embedded steel plate of the upper floor and the pre-embedded steel plate of the lower floor respectively. Area A in Figure 2 is the welding area of the square tube column. The square tube column can be positioned in the welding area by setting a raised frame, which is convenient for positioning. Welding, the verticality of the square tube column is adjusted by setting the through hole as a long hole and matching with the bolt.

Claims (5)

1. A super-large opening ALC plate assembly steel frame structure, including the upper and lower floors of the building structure, a window opening is arranged between the upper and lower floors, the window opening width is not less than 2400mm, and the upper window ALC is laid between the window opening and the upper and lower floors respectively. The panel and the lower window ALC panel are characterized in that square tube columns are respectively arranged on both sides of the width of the window opening, and the upper and lower ends of the square tube columns are respectively welded and fixed with the pre-embedded parts of the upper floor and the pre-embedded parts of the lower floor. The upper beam of the window opening and the lower beam of the window opening are respectively arranged between the pipe uprights. Both ends of the upper beam of the window opening and the lower beam of the window opening are respectively welded and fixed with the square tube uprights on both sides. The upper window ALC board is clamped into a U-shaped card and assembled between the upper beam and the upper floor slab at the window opening, the upper window ALC board end surface and the upper floor slab are extruded and fixed by an adhesive, and the lower window ALC board upper and lower ends pass through. The adhesive is extruded and assembled between the lower beam and the lower floor of the window opening. 2. The super-large opening ALC plate assembling steel frame structure according to claim 1, wherein the square tube column is a steel square tube column with a cross section of 150mm×200mm and a steel plate thickness of 6mm, and the window opening is The beam is a steel square tube upper beam with a cross section of 150mm×200mm and a steel plate thickness of 6mm, and the window opening lower beam is an angle steel lower beam with a steel plate thickness of 110mm×110mm and a steel plate thickness of 8mm. 3. The super-large opening ALC plate assembly steel frame structure according to claim 1 or 2, wherein the embedded part comprises a steel plate with a thickness of 280mm×200mm and a thickness of 8mm, and the upper and lower floor slabs are pre-embedded and provided with protrusions. There are at least 4 bolts in the steel plate, and the steel plate is provided with through holes corresponding to the 4 bolts. The through holes of the steel plate are inserted into the bolts to fix the steel plate against the floor through nuts. The embedded steel plate is welded and fixed. 4 . The super-large hole ALC board assembly steel frame structure according to claim 1 , wherein the adhesive is building foam or cement slurry. 5 . 5. super-large opening ALC plate assembly steel frame structure according to claim 1, is characterized in that, between the upper end of upper window ALC plate and the upper floor slab, a gap of at least 5mm is left, and the gap of 5mm is filled and compacted with adhesive , There is a gap of at least 5mm between the upper and lower ends of the ALC plate of the lower window and the lower beam of the window opening and the lower floor slab, and the gap of 5mm is filled and compacted with adhesive.

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