CN206034753U - Light -duty lintel of precast reinforced concrete - Google Patents

Abstract

The utility model discloses a prefabricated reinforced concrete light-duty lintel, which comprises rib beams, "U" formed steel wire mesh pieces, stressed steel bars, rib beams on both sides form a "U"-shaped double-rib beam section, and the lintel is equipped with "U" forms a steel wire mesh sheet. The inner sides of the rib beams are inclined, and the corners are partially rounded. The lintel adopts a "U"-shaped double-rib beam section, factory production, stable quality, convenient construction and installation, high component surface strength, good durability, and can be reused.

Description

Prefabricated reinforced concrete lightweight lintel

Technical Field The utility model relates to light industrialized concrete building products, in particular to a prefabricated reinforced concrete light lintel.

Background Art The existing lintel adopts a solid rectangular reinforced concrete section, which requires a lot of concrete, heavy lintel weight, and difficult transportation and installation; construction site fabrication and maintenance need to occupy a large construction site; when the lintel encounters cast-in-place components, it needs to be modified It is a cast-in-place form, and the construction process is complicated.

SUMMARY OF THE INVENTION The utility model provides a prefabricated reinforced concrete light-duty lintel. The lintel adopts a "U"-shaped double-rib beam cross-section, factory-produced, stable in quality, convenient in construction and installation, with high component surface strength and good durability. reuse.

The technical scheme of the utility model is as follows:

A prefabricated reinforced concrete light-weight lintel, including rib beams, "U" forming product steel wire mesh sheets, stressed steel bars, rib beams on both sides form a "U"-shaped double rib beam section, and "U" forming products are arranged in the lintel Steel mesh.

Further, the inner side of the rib beam is inclined, and the corners are partially rounded.

Further, the inclination angle of the rib beam is 5-20°, and the rounding radius is 3-20mm.

Further, the lintel is made of high-strength concrete and high-strength steel bars.

Further, the prefabricated reinforced concrete light lintel is connected with the cast-in-place components through matching connectors.

The utility model has the advantages of: 1. The existing lintel adopts a solid rectangular reinforced concrete section, and the utility model adopts a "U"-shaped double-rib beam section form to effectively reduce the amount of concrete; 2. When the lintel in the filling wall is installed, the main structure The construction has been completed, and it is impossible to use large-scale hoisting equipment for hoisting. The existing lintel is heavy, and it is difficult to carry and install during construction. The utility model adopts the "U"-shaped double-rib beam section and the combined section to reduce the weight of the lintel; 3. When the existing lintel is cast-in-place components on one side or both sides of the opening, it needs to be changed to cast-in-situ construction together with the cast-in-place components or post-planting reinforcement pouring construction. The prefabricated light lintel of this patent can be connected with the existing 4. The utility model adopts the cross-section form of "U" double-rib beam. Compared with the existing lintel, it can obtain greater member rigidity and bearing capacity while using less concrete; 5. This utility model The utility model adopts high-strength concrete and high-strength steel bars to reduce the amount of materials and improve the strength and durability of the lintel; 6. The existing lintel is equipped with ring-shaped stirrups, which need to be processed and tied. The utility model adopts " U" formed steel wire mesh sheet, convenient construction, reduced labor consumption and stable quality; 7. The utility model can be produced in a factory, and the component size and steel bar positioning are accurate, ensuring quality; 8. The inner side of the "U" shaped rib beam of this patent is inclined , partial rounding, to solve the problem of mold demoulding; 9. The factory production is transported to the site for installation, and the construction site only needs to leave a stacking space, saving a lot of construction sites, which is more significant for some projects with tight land use; 10. The utility model has high strength and good durability. After the wall is dismantled, its appearance shape and load-bearing performance can still be guaranteed to be complete, and can be reused; 11. The utility model reduces the amount of lintel materials by more than 40% compared with the existing lintel material, and is energy-saving and environmentally friendly; 12. Compared with the existing lintel, the weight of the utility model is reduced by more than 40%, which is convenient for construction; 13. Compared with the existing lintel, the comprehensive cost of the utility model is reduced by more than 20%, which saves investment.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic diagram of the existing lintel structure;

Fig. 2 is the structural schematic diagram of existing lintel;

Fig. 3 is a schematic cross-sectional view of the utility model;

Fig. 4 is the schematic diagram of installation section of the utility model;

Fig. 5 is a schematic cross-sectional view of the combined installation of the utility model;

Figure 6 is a schematic diagram of the installation of the lintel when both sides of the hole are rear walls;

Figure 7 is a schematic diagram of the installation of the lintel when the side of the hole is a cast-in-place component;

Figure 8 is a schematic diagram of the installation of the lintel when both sides of the hole are cast-in-place components;

Figure 9 is a schematic diagram of the connection between the lintel and the cast-in-place component;

1. Rib beams; 2. "U" formed steel wire mesh; 3. Stressed steel bars; 4. Rounded corners; 5. Masonry mortar; 6. Plastering mortar; Reinforced concrete light-duty lintel; 9. Post-built wall; 10. Opening; 11. Connector; 12. Cast-in-place component; 13. Post-planted connecting bolts.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A prefabricated reinforced concrete light-duty lintel, comprising a rib beam 1, a "U" formed steel wire mesh sheet 2, and a stressed steel bar 3. The rib beams on both sides form a "U"-shaped double-rib beam section, and There are "U" formed steel wire mesh sheets 2, the inclination angle of the rib beam 1 is 5-20°, the radius of the rounded corner 4 is 3-20mm, and the lintel is made of high-strength concrete and high-strength steel bars.

Claims (5)

1. the light-duty lintel of a kind of prefabricated reinforced concrete, it is characterised in that：Including girt strip (1), " u "-shaped finished product steel fabric sheet (2), Steel bar stress (3), both sides girt strip form the double girt strip sections of " u "-shaped, are provided with " u "-shaped finished product steel fabric sheet in lintel.

2. the light-duty lintel of prefabricated reinforced concrete according to claim 1, it is characterised in that：Incline on the inside of the girt strip, Local rounding (4).

3. the light-duty lintel of prefabricated reinforced concrete according to claim 1, it is characterised in that：The girt strip angle of inclination is 5-20 °, rounding radii is 3-20mm.

4. the light-duty lintel of prefabricated reinforced concrete according to claim 1, it is characterised in that：The lintel is using high-strength mixed Solidifying soil, high tensile reinforcement are made.

5. the light-duty lintel of prefabricated reinforced concrete according to claim 1, it is characterised in that：Prefabricated reinforced concrete is light-duty Lintel is connected with site concrete (12) by supporting connector (13).