CN207244960U - A kind of Prefabricated stacking floor with tool-typed formwork for being used to drop plate region - Google Patents

Abstract

The utility model relates to a prefabricated laminated floor slab with a tool-type formwork used in the lowering area, comprising an upper prefabricated laminated floor, a lower prefabricated laminated floor, a steel bar skeleton, a first side formwork, a second side formwork; an upper prefabricated laminated floor The composite floor and the lower prefabricated laminated floor are pre-embedded with formwork bolts near the lowering slab area; the first side formwork is in a right-angled Z shape, and its upper end is fixed to the upper prefabricated laminated floor by embedded bolts, and its lower end is pre-embedded by embedded bolts It is fixed with the lower prefabricated laminated floor; the side of the second side formwork is attached to the upper prefabricated laminated floor, and the lower part is against the lower prefabricated laminated floor. In the utility model, fixing bolt holes for the first side formwork are reserved at the bottom of the upper and lower prefabricated laminated slabs, and the first side formwork is directly installed on the floor in the form of a finished product, which reduces the workload of on-site supporting formwork and greatly Greatly improved the construction efficiency on site.

Description

A prefabricated laminated floor slab with tooled formwork for lowering slab areas

technical field

The utility model relates to a prefabricated laminated floor slab, specifically, a prefabricated laminated floor slab with a tool formwork used in a lowering area, and belongs to the technical field of prefabricated laminated floor slabs.

Background technique

With the rapid development of the construction industry, the quality standards of construction projects and the requirements for energy conservation and environmental protection are getting higher and higher. The traditional wooden formwork at the lower board of the bathroom cannot meet the requirements of energy saving, environmental protection and efficiency. How can the formwork at the lower board of the bathroom meet both requirements? The country is green, energy-saving and environmentally friendly, and it can be assembled and constructed to improve construction efficiency. Therefore, this method must have new breakthroughs and innovations.

The pouring quality of the toilet lowering board concrete directly affects the follow-up toilet engineering practice and the height difference between the inside and outside of the toilet. Almost all toilet lowering constructions have defects such as swelling of lowering boards, missing edges and corners, holes for grout leakage, formwork deviation, and insufficient height of lowering boards. In order to effectively reduce the probability of the above problems, it is necessary to analyze the causes, main influencing factors and take improvement measures according to specific conditions.

Contents of the invention

The technical problem to be solved by the utility model is: in the existing floor slab in the lowering slab area, the construction of the lowering slab often has the problems of expansion of the lowering slab hanging mold, missing edges and corners, leakage holes, formwork deviation, insufficient height of the lowering slab, high construction difficulty, Defects such as low construction efficiency.

The utility model takes the following technical solutions:

A prefabricated laminated floor slab with a tool-type formwork for the lowering area, including an upper prefabricated laminated floor 10, a lower prefabricated laminated floor 15, a steel bar skeleton, a first side formwork 12, and a second side formwork 14; The prefabricated laminated floor 10 and the lower prefabricated laminated floor 15 are pre-embedded with formwork bolts 13 near the lowering slab area; the first side formwork 12 is in a right-angled Z shape, and its upper end surface is connected with the upper prefabricated laminated plate through the prefabricated bolts 13. The composite floor 10 is fixed, and its lower end surface is fixed to the lower prefabricated laminated floor 10 through the embedded bolts 13; the side of the second side formwork 14 is attached to the upper prefabricated laminated floor 10, and the lower part is against the lower prefabricated laminated floor 12.

Further, the reinforcement skeleton includes the longitudinal reinforcement 4 at the upper part of the beam, the waist reinforcement 5 at the middle part of the beam, the stirrup reinforcement 6 and the longitudinal reinforcement 11 at the lower part of the beam.

Further, the upper prefabricated laminated floor 10 and the lower prefabricated laminated floor 12 are in the form of lifting slabs when installed.

Furthermore, the beam upper longitudinal reinforcement 4 , beam middle waist reinforcement 5 , beam stirrup 6 , and beam lower longitudinal reinforcement 11 are pre-embedded and arranged near the first side formwork 12 of the lower prefabricated laminated floor 15 .

Further, prefabricated laminated floor slabs with tool formwork are used in the bathroom.

Further, the first side formwork 12 is a finished metal component, which supports the upper prefabricated laminated floor 10 .

The beneficial effects of the utility model are:

1) Pre-buried the steel bar skeleton in the lower laminated floor, and produced it on the factory assembly line. There is no need to tie the steel bar on site, which reduces the workload of supporting the floor formwork and binding the steel bar of the upper turning beam on site;

2) Bolt holes for the first side formwork are reserved at the bottom of the upper and lower prefabricated laminated slabs, and the first side formwork is directly installed on the floor in the form of finished parts, which reduces the workload of on-site support formwork and greatly improves The construction efficiency on site is improved, and the quality problems caused by cast-in-place formwork are solved at the same time.

3) The first side formwork is an integrated component of factory production, with good appearance quality, reliable material performance, and accurate component size, which can solve the problems of mold expansion, missing edges and corners, etc. in the lowering construction.

4) The first side formwork has a reliable structure and strong rigidity, and can also support the upper prefabricated formwork.

5) The second side formwork is installed on the bottom of the upper and lower prefabricated laminated floors in the form of a finished product, and the second side formwork can also be used as a vertical support for the upper laminated floor.

Description of drawings

Fig. 1 is a schematic diagram of prefabricated laminated floor slabs used in the lowering area in the prior art. Among them, the upper prefabricated laminated floor slab is prefabricated, and the entire descending slab area is poured through formwork.

Fig. 2 is a schematic diagram of the prefabricated laminated floor slab with tool formwork used in the lowering slab area of the present invention. In the figure, only the second side formwork 14 is set by supporting the formwork, the upper prefabricated laminated floor and the lower prefabricated laminated floor with steel skeleton are all prefabricated in the factory, and the first side formwork 12 is installed and fixed on site.

In the figure, 1. Truss reinforcement; 2. Upper stress reinforcement; 3. Upper distribution reinforcement; 4. Upper longitudinal reinforcement of beam; 5. Waist reinforcement in beam middle; 6. Beam stirrup; Stress reinforcement; 9. Bottom distribution reinforcement; 10. Upper prefabricated laminated floor; 11. Beam lower longitudinal reinforcement; 12. Second side formwork; 13. Formwork bolts; 14. Second side formwork, 15. Lower prefabricated laminated floor.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

Referring to Fig. 2, a prefabricated laminated floor slab with a tool-type formwork for the lowering area, including an upper prefabricated laminated floor 10, a lower prefabricated laminated floor 15, a steel skeleton, a first side formwork 12, and a second side formwork 14 ; The upper prefabricated laminated floor 10 and the lower prefabricated laminated floor 15 are pre-embedded formwork bolts 13 at the positions near the lowering plate area; the first side formwork 12 is in a right-angle Z shape, and its upper end surface passes through the embedded bolts 13 It is fixed with the upper prefabricated laminated floor 10, and its lower end surface is fixed with the lower prefabricated laminated floor 10 through the embedded bolts 13; the side of the second side formwork 14 is attached to the upper prefabricated laminated floor 10, and the lower part is against the lower part Prefabricated laminated floor 12.

Referring to FIG. 2 , in this embodiment, the reinforcement skeleton includes the upper longitudinal reinforcement 4 of the beam, the waist reinforcement 5 in the middle of the beam, the stirrup 6 of the beam, and the longitudinal reinforcement 11 of the lower beam.

Referring to Fig. 2, in this embodiment, the upper prefabricated laminated floor 10 and the lower prefabricated laminated floor 12 are in the form of lifting slabs when installed.

Referring to Fig. 2, in this embodiment, the beam upper longitudinal reinforcement 4, the beam middle waist reinforcement 5, the beam stirrup 6, and the beam lower longitudinal reinforcement 11 are pre-embedded and arranged near the first The position of the side formwork 12.

Referring to Fig. 2, in this embodiment, the prefabricated laminated floor slab with tool formwork is used in the toilet.

Referring to FIG. 2 , in this embodiment, the first side formwork 12 is a finished metal component, which supports the upper prefabricated laminated floor 10 .

During specific construction, the first side formwork 12 is first fixed on the lower prefabricated laminated floor 15 through embedded bolts 13, and the lower prefabricated laminated floor 15 with steel skeleton is installed and vertically supported, then the upper prefabricated floor is hoisted. Laminated floor slab 10, the bottom of the upper prefabricated laminated floor slab 10 rests on the upper end surface of the first side formwork 12, and the upper prefabricated laminated floor slab 10 and the upper end surface of the first side formwork 12 are fixed by embedded bolts 13; After the floor slab is fixed, the second side formwork 14 is fixed, then concrete is poured, and finally the second side formwork 14 is removed.

Above is the preferred embodiment of the present utility model, those skilled in the art can also carry out various transformations or improvements on this basis, without departing from the general idea of the present utility model, these transformations or improvements all belong to the present utility model within the scope of protection.

Claims (5)

1. A prefabricated laminated floor slab with a tool formwork for the lowering slab area, characterized in that: It includes an upper prefabricated laminated floor slab (10), a lower prefabricated laminated floor slab (15), a steel bar skeleton, a first side formwork (12), and a second side formwork (14); The upper prefabricated laminated floor (10) and the lower prefabricated laminated floor (15) are pre-embedded formwork bolts (13) at the respective positions near the lowering plate area; The first side formwork (12) is in a right-angled Z shape, its upper end surface is fixed to the upper prefabricated laminated floor (10) by the embedded bolts (13), and its lower end surface is fixed by the embedded bolts (13) and The lower prefabricated laminated floor slab (10) is fixed; The side of the second side template (14) is attached to the upper prefabricated laminated floor (10), and the lower part is against the lower prefabricated laminated floor (12). 2. The prefabricated laminated floor slab with tool formwork for the lowering slab area as claimed in claim 1, It is characterized in that: the steel bar skeleton comprises longitudinal bars (4) at the upper part of the beam, waist bars (5) at the middle part of the beam, stirrup bars (6) and longitudinal bars (11) at the lower part of the beam. 3. The prefabricated laminated floor slab with tool formwork for the lowering slab area as claimed in claim 1, It is characterized in that: the upper prefabricated laminated floor (10) and the lower prefabricated laminated floor (12) are in the form of lifting plates when installed. 4. The prefabricated laminated floor slab with tool formwork for the lowering slab area as claimed in claim 2, It is characterized in that: the longitudinal reinforcement (4) at the upper part of the beam, the waist reinforcement (5) at the middle part of the beam, the stirrup reinforcement (6) and the longitudinal reinforcement at the lower part of the beam (11) are pre-embedded and arranged on the lower prefabricated laminated floor (15) The position near the first side template (12). 5. The prefabricated laminated floor slab with tool formwork for the lowering slab area as claimed in claim 1, It is characterized in that: the first side formwork (12) is a finished metal component, which plays a role of rigid support for the upper prefabricated laminated floor (10).