CN111379354A - A light-weight steel mesh wall and a building body constructed therefrom - Google Patents

Abstract

The invention discloses a light steel mesh wall and a building house constructed by the same. The light steel mesh wall comprises a wall framework arranged in an area defined by steel columns and steel beams, the wall framework comprises a plurality of triangular steel structure units, expansion nets or calcium silicate boards are covered on the inner side and the outer side of each triangular steel structure unit, and concrete is poured in the wall framework; every triangle steel constitutional unit is including first reinforcing bar, second reinforcing bar and the third reinforcing bar of each other angulation, first reinforcing bar and second reinforcing bar to and first reinforcing bar and third reinforcing bar all are through a plurality of web member steel bar connection. The invention solves the problem of expansion caused by heat and contraction caused by cold of the steel structure, protects the joints of the wall column and the wall body as well as the beam and the floor slab from cracking and falling off, enables the outer wall to be beautiful and smooth, does not need to be repaired permanently, and saves trouble; the earthquake resistance, the fire resistance and the heat insulation are improved, and the building cost of the house body is reduced.

Description

A light-weight steel mesh wall and a building body constructed therefrom

technical field

The invention relates to the field of construction, in particular to a light-weight steel mesh wall body and a building body constructed therefrom.

Background technique

Prefabricated buildings refer to the transfer of a large number of on-site operations in traditional construction methods to factories, where building components and accessories (such as floors, wall panels, stairs, balconies, etc.) are processed and fabricated, and transported to the construction site. Reliable connections A building assembled and installed on site.

Prefabricated buildings mainly include prefabricated concrete structures, steel structures, modern wooden structures, etc. Because of the use of standardized design, factory production, prefabricated construction, information management, and intelligent applications, they are the representatives of modern industrial production methods. However, the strength of light steel in the existing steel structure prefabricated building body is low, and the seismic performance and fire performance are poor. Moreover, due to the thermal expansion and contraction of the steel structure, the columns and beams are easily cracked with the wall, and the structural stability is poor, and the existing light steel cost is high, which increases the construction cost.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the present invention provides a light-weight steel mesh wall and a building body constructed thereof, which is not easy to crack, has good shock resistance and is low in cost.

In order to solve the above-mentioned technical problems, the technical scheme of the present invention is as follows: a light-weight steel mesh wall body, comprising a wall body skeleton, the wall body skeleton is arranged in the area enclosed by the steel column and the steel beam, and concrete is poured in the wall body skeleton; The wall skeleton includes a plurality of triangular steel structure units, and the inner and outer sides of the plurality of triangular steel structure units are fixed with expansion nets or on one side with expansion nets, and on the other side with plates;

Each triangular steel structural unit includes first, second and third reinforcing bars forming a triangle, and the first and second reinforcing bars, and the first and third reinforcing bars are all connected by a plurality of web bars. The material of the triangular steel structure unit can be light steel or rebar, or other materials can be selected according to the situation.

Further, the outer circumference of the steel column is provided with a tie rod, the tie rod is welded with the steel column and the steel beam by a plurality of threaded steel bars, the tie rod and the wall skeleton are located on the same line, and are connected with the wall skeleton through the expansion mesh to form an integral body. Structure; the tie rod is angle steel, channel steel, square tube or steel bar, and the structure is designed so that the steel column can be poured into the concrete wall during pouring to avoid cracking and falling off.

Further, the distance between adjacent triangular steel structural units is 5-100 cm; the height of the wall skeleton formed by the triangular steel structural units is 2.7-5 meters, and the adjacent web bars are parallel or angled to each other.

Further, the board is a calcium silicate board, a metal board, a wood board, a pine board, a polyurethane board, a polystyrene foam board, a rock wool board or a laminate; the interior and/or ends of the wall skeleton are fixed with steel bead.

Further, the wall skeleton is filled with corrugated steel mesh or fixed filling board, and the filling board is a foam board, a polyurethane board or a rock wool board, preferably a foam board; the foam board can be perforated or not. Holes are punched. If punched, the hole diameters can be the same or different, and the holes on the foam board are connected inside and outside;

Further, the adjacent triangular steel structural units are welded by rice-shaped steel bars, X-shaped steel bars or straight-line steel bars.

On the other hand, the present invention also provides a building body constructed with the light-weight steel mesh wall.

Further, the inner side of the steel beam of the building body is fixed with angle steel or square tube to form an L shape, and the angle steel or square tube is used for the sinking installation of the floor slab, so that the floor slab is flush with the steel beam.

Further, the skeleton of the floor slab and the skeleton of the roof slab are the same as the wall skeleton, and both include a plurality of triangular steel structure units. One side is an expansion net or blank (without any material); the skeleton of the floor slab and the roof slab is poured with polystyrene particle foam concrete or sandstone concrete to form a concrete slab.

The floor slabs or roof slabs are laid with light-weight foamed concrete slabs, or cast-in-place in the skeleton, and the pouring materials are selected from polystyrene particle concrete or sandstone concrete.

Further, several square columns are fixed between adjacent steel columns, and below the steel columns is installed a pedestal that supports the building as a whole to form an empty bottom; the steel columns and steel beams are galvanized steel columns and galvanized steel columns. Zinc steel beams, steel columns and steel beams, square columns and steel beams, and steel beams and steel beams are all welded with triangular diagonal braces; the triangular diagonal braces are triangular plates, threaded steel bars or square pipes;

The floor slab and the roof slab are both welded and installed on the square steel used for support by 7-shaped steel bars;

Asphalt shingles are installed above the roof panels, and a solar photovoltaic panel group is installed on the asphalt shingles.

The characteristics of the present invention are as follows: the present invention welds tie rods around the steel column according to the thickness of the wall, and the tie rods are welded to the columns and beams through a plurality of threaded steel bars. , The two sides of the wall are welded in the same way, and then the expansion mesh is welded on the outside, and the concrete is poured in the middle. The wall is integrated with the steel column and steel beam, and the seismic effect is greatly improved.

The invention adopts the fixed expansion nets on the inner and outer sides of a plurality of triangular steel structural units to form a wall frame, the triangular steel structural unit has a stable structure, and is composed of steel bars with low cost. In addition, the steel frame of the wall is made of square steel, which is easy to weld to form a whole. Expanded steel mesh sheets are welded on both sides of the wall. Lightweight and high-strength concrete is preferably poured in the middle. The concrete has good fire resistance. The formula is developed by the inventor. The test proves that the front is burned with oxygen at a high temperature of 3000 degrees for about 30 minutes, the back is constant temperature, and the burning part is slight. If a fire occurs, it will only burn on the spot and will not spread to the neighbors. It has good sound insulation, anti-theft, waterproof and fireproof. , insect-proof and other functions, and the light weight is one-fifth of the sand and gravel concrete. If the heat insulation effect is super good, then the cold insulation effect is very good, and the cold insulation is insulated. An iron box house is warm and insulated, warm in winter and cold in summer, and earthquakes will not fall apart. This wall can also be used in concrete frames. For the structure, the upper, lower, left and right are drilled with electric drills, the gong-shaped steel bars are inserted as embedded parts, the upper and lower, left and right are welded firmly with angle steel or square steel, and then the lightweight wall of the present invention is installed, and the structure is stable.

In the invention, the floor slab is installed in a sinking manner, which is stable and does not shake. When the self-going wire and the 7-shaped steel bar are connected and welded with the steel pipe below the slab, the floor slab is integrated with the square steel, and the seismic performance is enhanced. That is, the sinking floor is installed with the beam surface parallel to the beam surface, the wall is installed on the beam surface, and the upper and lower fixed steel skeletons are firmly welded and integrated with the steel columns on both sides of the upper and lower steel beams. The iron box is placed on the face, no matter how it shakes, it is the house. For thousands of years, people have said that the earthquake will run away. The house I designed is an earthquake running to the home, and the home is the shelter. If it is not firm, it will hurt people, and the buildings will fall and fall apart and hurt people.

Compared with the prior art, the present invention has the following beneficial effects: the present invention solves the thermal expansion and cold contraction of the steel structure, protects the junction between the wall column and the wall and the beam and the floor slab from cracking and falling off, making the outer wall beautiful and permanently unnecessary. Repair, save trouble; improve earthquake resistance, fire resistance and heat insulation, reduce the cost of the house.

The wall provided by the invention has excellent fireproof function, and in the fire resistance test, it can burn at a high temperature of 3000° for about 1 hour without burning out, which is similar in performance to refractory materials, and is economical. Wall panels and floor panels made of polystyrene foam concrete are used, and the back side is burned with a fire at 3000 degrees for half an hour, and the front side has no heat, which is a constant temperature type. Among them, the wall panels, roof panels and floor panels have the functions of heat insulation, heat preservation, sound insulation, anti-theft, waterproof, fireproof, insect-proof, and earthquake resistance; the floor panels have the functions of strong bearing capacity, sound insulation, fire prevention, waterproof, heat preservation, and insect resistance. , Anti-seismic function. The house structure with such a structure can directly install the doors and windows on the square steel structure, which is very firm, will not shake, and has earthquake resistance protection.

Description of drawings

Figure 1 is a skeleton diagram of a lightweight steel mesh wall;

Figure 2 is a top view of the positional relationship between the wall and the steel column and steel beam;

Figure 3 is a diagram of one of the connection methods between the triangular steel structural unit and the steel bar;

Fig. 4 is the structural representation of filling corrugated steel mesh sheet or fixed filling plate;

Fig. 5 is the top view that the steel spacer is arranged inside the wall skeleton;

Fig. 6 is the structural representation of steel spacer;

Figure 7 is a frame diagram of the first floor of the building body;

Figure 8 is a frame diagram of the base of the building body;

Figure 9 is a frame diagram of a high-rise building body;

Figure 10 is a structural perspective view of a roof panel of a building body;

Figure 11 is a schematic diagram of the asphalt shingle structure on the roof panel;

Figure 12 is a skeleton diagram of a roof panel or floor panel;

Marked in the figure: 1-steel column, 2-steel beam, 3-triangular steel structure unit, 31-first steel bar, 32-second steel bar, 33-third steel bar, 34-web bar steel bar, 4-expansion mesh, 5-tie rod, 6-rebar, 7-wavy steel mesh, 8-filler plate, 9-floor slab, 10-square column, 11-square steel, 12-plate, 13-steel bar, 14-steel partition Sheet, 15-7-shaped rebar, 16-base, 17-triangle brace, 18-roof slab, 19-asphalt shingle, 20-transverse reinforcement, 21-longitudinal reinforcement.

Detailed ways

The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following technical solutions.

Example 1

As shown in Figures 1 and 2, the lightweight steel mesh wall includes a wall skeleton, the wall skeleton is set in the area enclosed by the steel column 1 and the steel beam 2, and concrete is poured in the wall skeleton; the steel column 1 There is a tie rod 5 on the outer periphery of the steel column, and the position of the tie rod is about 5-10cm away from the steel column. You can choose where to set the tie rod according to the actual situation. The inner wall can choose whether to set the tie rod near the steel column according to the actual situation. Tie rods must be set on the outer circumference of the steel column. The tie rod 5 is welded with the steel column 1 and the steel beam 2 by a plurality of threaded steel bars 6. The tie rod 5 and the wall skeleton are located on the same line, and are connected with the wall skeleton through the expansion mesh 4 to form an integrated structure, in which the pouring is carried out. The concrete wraps the steel column inside, and it is not easy to crack and fall off; the tie rod 5 is an angle steel, a channel steel, a square tube or a steel bar.

The wall skeleton includes a plurality of triangular steel structure units 3, the inner and outer sides of the plurality of triangular steel structure units 3 are fixed with expansion nets 4 or outside fixed expansion nets 4, and the inner side is fixed with plates, and the plates can be calcium silicate boards, rock wool. board or polyurethane board; the distance between adjacent triangular steel structural units 3 is 40 to 100 cm; the height of the triangular steel structural unit 3 to form a wall skeleton is 2.7 to 5 meters, and each triangular steel structural unit 3 includes The first rebar 31, the second rebar 32 and the third rebar 33, the first rebar 31 and the second rebar 32, and the first rebar 31 and the third rebar 33 are connected by a plurality of web bars 34, adjacent webs. The bars 34 are parallel or at an angle to each other to form a triangle. The shape of the triangular steel structural unit can be varied, and it can be placed vertically or horizontally. The structural units can be the same or different. The opening direction of the triangular steel structural unit It can be consistent or inconsistent, as shown in Figure 2 and Figure 3.

Adjacent triangular steel structural units 3 are welded by M-shaped steel bars, X-shaped steel bars or straight-shaped steel bars 13, as shown in Figure 2, which shows that the triangular steel structural units are placed horizontally, and the two sides are welded and fixed by several steel bars. Then the expansion mesh can be welded to form the wall skeleton. The triangular steel structural units can also be placed vertically, and welded by rice-shaped steel bars, X-shaped steel bars or straight-line steel bars.

As shown in Figure 4, according to the situation, the wall skeleton is filled with corrugated steel mesh sheet 7 or fixed filler plate 8. The filler plate is preferably a polystyrene foam board, and the foam board is provided with small holes, and the aperture size can be the same or not. different. Due to the light weight of the foam board, it is easy to shake between the triangular steel structural units, so it is necessary to use steel bars to fix it in the wall skeleton, fill the corrugated steel mesh 7 or fix the filling board, and then pour the polystyrene particle foam concrete or sand. stone concrete. In addition, steel spacers 14 may be fixed inside and/or at the ends of the wall frame according to circumstances, and the structure of the steel spacers is shown in FIG. 6 . The fixed position and number of the steel spacers are variable, as shown in Figures 2, 5 and 6.

The installation process of the wall body is as follows: firstly, the triangular steel structural unit is produced in the factory, and the triangular steel structural unit is welded on the beam in the factory or on-site construction. Expansion mesh is welded on the surface of the tie rods around the wall skeleton and the steel column, and the corrugated steel mesh or filler plate is filled as required, and then concrete is poured. , and save powder wall material. The wall can continue to be well integrated with the wall skeleton, without delamination and high strength.

The wall provided by the invention is characterized by light weight, high strength, and functions such as anti-theft, fire prevention, heat insulation, heat preservation, sound insulation, and shock resistance. The test used a 3000 ℃ fire to burn the back for half an hour, and the front temperature basically did not rise, and it did not burn out. It was close to the function of refractory bricks. Compared with the traditional light steel solid wall, it has higher strength and stronger fire resistance, and can be well integrated between the wall and the wall without delamination and high strength. The thickness of the wall can be increased according to the requirements, and the thickness can be made from ten centimeters to fifty centimeters, and can meet the national standard requirements for walls of different thicknesses.

Example 2

As shown in FIGS. 7 to 11 , several square columns 10 are fixed between adjacent steel columns in the building body constructed by using the light-weight steel mesh wall, and below the steel columns are installed to lift the building body as a whole from the ground. Support the base 16 that forms the empty bottom; Described steel column 1 and steel beam 2 are galvanized steel columns and galvanized steel beams, and the junctions of steel columns and steel beams, steel beams and steel beams, and vertical columns and steel beams are all A triangular diagonal brace 17 is welded, and the welding position and size of the triangular diagonal bracing can be determined according to the actual situation. Due to the uneven water absorption of the columns, beams and walls of the concrete frame structure of the outer wall and the steel structure frame, the thermal expansion and contraction to the point of cracking and falling off cause safety hazards. Can improve seismic performance.

An L-shaped angle steel is fixed on the inner side of the steel beam 2 , which is used to fix the floor slab 9 for sinking installation, so that the floor slab is flush with the steel beam 2 . The floor slabs are laid with lightweight foam concrete slabs, the joints are staggered during laying, and the joints are fixed on the square steel 11 used for support. On the square steel 11 used for support. It can also be cast in situ in the floor skeleton, and the pouring material is selected from polystyrene particle concrete or sandstone concrete. In addition, an asphalt shingle 19 is installed above the roof panel 18 , and a solar photovoltaic panel group is installed on the asphalt shingle 19 .

The skeleton of the floor slab and the skeleton of the roof slab are the same as the above-mentioned wall skeleton, including a plurality of triangular steel structural units. Both sides of the triangular steel structural unit are expanded meshes. ) are expanded nets or blanks (not covered with any material). The board 12 can be selected from calcium silicate board, metal board (which can be steel skin, etc.), wood board, European pine board or laminate board. The floor slab skeleton and the internal skeleton of the roof slab are poured with polystyrene particle foam concrete or sandstone concrete, and after solidification, it is painted and polished to form a concrete slab.

The triangular steel structural units of the roof and floor panels are the same as those in the wall skeleton, the difference is that the distance can be adjusted as needed. As shown in Figure 12, taking the roof panel skeleton as an example, the bottom is iron sheet or steel sheet, and there are several triangular steel structural units in the middle. The upper side of the triangular steel structural unit is an expansion mesh or blank. The transverse steel bar 20 and the vertical steel bar 21 can be used for fixing to increase the stability. The roof slab can be cast in place on the roof, when the polystyrene foam concrete or sandstone concrete is poured in the skeleton, it is poured from top to bottom, and the cement slurry flowing out of the holes of the expansion mesh is leveled to make the roof flat, and then paste the asphalt tile after solidification. That's it.

It should be understood that the above-mentioned specific embodiments of the present invention are only used to illustrate or explain the principle of the present invention, but not to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention should be included within the protection scope of the present invention. Furthermore, the appended claims of this invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalents of such scope and boundaries.

Claims (10)

1. A light steel mesh wall comprises a wall framework arranged in an area enclosed by a steel column (1) and a steel beam (2), wherein concrete is poured in the wall framework; the wall body framework is characterized by comprising a plurality of triangular steel structure units (3), expansion nets (4) are fixed on the inner side and the outer side of the triangular steel structure units (3) or expansion nets (4) are fixed on one side of each triangular steel structure unit, and plates are fixed on the other side of each triangular steel structure unit;

every triangle steel constitutional unit (3) are including first reinforcing bar (31), second reinforcing bar (32) and third reinforcing bar (33) that constitute the triangle, first reinforcing bar (31) and second reinforcing bar (32) to and first reinforcing bar (31) and third reinforcing bar (33) all connect through a plurality of web member reinforcing bars (34).

2. The light steel mesh wall body as claimed in claim 1, wherein the steel column (1) is provided with a pull rod (5) at the periphery thereof, the pull rod (5) is welded with the steel column (1) and the steel beam (2) through a plurality of twisted steel bars (6), the pull rod (5) and the wall skeleton are positioned on the same straight line and connected with the wall skeleton through an expansion net (4) to form an integral structure; the pull rod (5) is an angle steel, a channel steel, a square tube or a steel bar.

3. The lightweight steel mesh wall body as claimed in claim 1, wherein the triangular steel structure units (3) form a framework of the wall body with a height of 2.7-5 m, and adjacent web members (34) are parallel or at an angle to each other.

4. The lightweight steel mesh wall as claimed in claim 1, wherein said plate is a calcium silicate board, a metal board, a wood board, an europa board, a polyurethane board, a polyphenyl foam board, a rock wool board or a laminate board; and a steel spacer (14) is fixed inside the wall framework and/or at the end head.

5. The lightweight steel mesh wall body as claimed in claim 1, wherein the adjacent triangular steel structure units (3) are welded by a reinforcing bar in a shape of a Chinese character mi, an X-shaped reinforcing bar or a straight reinforcing bar.

6. The lightweight steel mesh wall body as claimed in any one of claims 1 to 5, wherein the wall skeleton is filled with wave-shaped steel wire mesh sheets (7) and/or fixed filling plates (8); polystyrene particle foam concrete or sand stone concrete is poured in the wall framework.

7. A building room constructed using the lightweight steel mesh wall of claim 6.

8. The building house according to claim 7, characterized in that the steel beams (2) of the building house are fixed with angle steel or square tubes at the inner side to form an L shape, and the angle steel or square tubes are used for the sinking installation of the floor plates (9) to enable the floor plates (9) to be flush with the steel beams (2).

9. The building house according to claim 8, wherein the framework of the floor slab and the framework of the roof slab are the same as the wall framework and comprise a plurality of triangular steel structure units, and both sides of the triangular steel structure units are expanded nets, or one side of each triangular steel structure unit is a plate, and the other side of each triangular steel structure unit is an expanded net or a blank; and polystyrene particle foam concrete or sand stone concrete is poured into the frameworks of the floor plates and the roof plates to form the concrete slabs.

10. The building house as claimed in claim 7, wherein a plurality of square columns (10) are fixed between adjacent steel columns (1), and a base which is integrally supported to form a hollow bottom is arranged below the steel columns (1); the steel column (1) and the steel beam (2) are galvanized steel columns and galvanized steel beams, and triangular inclined struts are welded at the joints of the steel column (1) and the steel beam (2), the square column and the steel beam and the joints of the steel beam (2) and the steel beam (2); the triangular inclined strut is a triangular plate, a twisted steel bar, a channel steel or a square tube;

the floor plate (9) and the roof plate are welded and installed on square steel (11) for supporting through 7-shaped steel bars; an asphalt tile is arranged above the roof panel, and a solar photovoltaic panel group is arranged on the asphalt tile.

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