CN215759900U - Assembled integral type flat slab - Google Patents

Abstract

An assembled integral flat slab belongs to the technical field of building structure engineering and comprises columns, rod-type column cap inclined rods, a steel pulling plate frame, a steel bearing plate, prefabricated plates A, prefabricated plates B, prefabricated plates C, steel bars and concrete. The prefabricated slab support structure provides a support for the prefabricated slab through the rod piece type column caps, the steel pulling plate frames and the supporting plates, all components form rigidity, no support is needed to be arranged in the construction process, no template is needed to be laid, the installation is convenient, and the time is saved.

Description

Assembled integral type flat slab

Technical Field

The utility model belongs to the technical field of building structure engineering, and particularly relates to an assembled integral flat slab.

Background

The flat slab is a structure in which the frame columns directly support the solid plate. The structure has the characteristics of simple and direct force transmission, simple structure and convenient construction, effectively reduces the structure height, increases the net height of the building, and is widely used in public buildings such as markets, basements and the like.

The traditional column cap of the flat slab structure has heavy thickness, large plate thickness, large difficulty in industrial production, transportation and assembly and poor structural stress integrity, so that the assembled type construction is slow in development and difficult to adapt to the development requirement of the assembled type building industry, and the application of the flat slab structure engineering is influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the assembled integral flat slab is suitable for industrial production, and may be assembled without mold plate and column cap to reduce the weight of the column cap and facilitate pipeline arrangement.

The utility model provides an assemble integral no roof beam superstructure, characterized by: comprises a column, a rod-type column cap inclined rod, a steel pulling plate frame, a steel bearing plate, a precast slab A, a precast slab B, a precast slab C, steel bars and concrete,

one end of the rod piece type column cap inclined rod is connected with the column, the other end of the rod piece type column cap inclined rod is connected with the top angle of the precast slab B through a steel pulling plate frame and a steel bearing supporting plate, and the plane projection direction of the rod piece type column cap inclined rod and the plane main shaft direction form an angle of 45 degrees;

the prefabricated slab A, the prefabricated slab B and the prefabricated slab C are spliced with one another to form a floor plane, the column is arranged in the center of the lower portion of the prefabricated slab B, the steel pull plate frame is arranged on the periphery of the prefabricated slab B, the steel bearing plates are arranged on the lower portion of the steel pull plate frame, and two opposite sides of the prefabricated slab C are supported and arranged on the periphery of the prefabricated slab B through the steel bearing plates; the precast slab A is connected with the two remaining edges of the precast slab C;

and the steel bars are laid on the top of the floor formed by the precast slabs A, B and C, and concrete is poured.

The sections of the steel bearing plate and the steel pulling plate frame are in an I shape or an inverted T shape, wherein the lower edge wing is wider than the upper edge wing.

The bottom of each of the precast slab A, the precast slab B and the precast slab C is provided with a beard steel bar, the beard steel bars at the slab joint of the precast slab C and the precast slab A are mutually tied, and the tie is provided with a hidden beam configuration steel bar.

And shear resistant ribs are arranged on the precast slabs A, B and C as required, and the steel bars are connected with the shear resistant ribs.

The precast slabs A, B and C are poured as templates, and the side faces and the top face are provided with shear resisting protrusions as required.

Through the design scheme, the utility model can bring the following beneficial effects: the integral assembled flat slab floor has support for prefabricated slab, rigidity formed by all the members, no need of setting support and laying formwork in the construction process, convenient installation and saving in time.

Furthermore, the plate top and the plate seam position adopt cast-in-place concrete, a special template is adopted during the manufacturing of the precast slab, the anti-shearing protrusions are reserved, the new concrete and the old concrete are firmly bonded, and the integral rigidity of the structure is fully ensured.

Drawings

The utility model is further described with reference to the following figures and detailed description:

FIG. 1 is a schematic view of a spatial structure of an assembled integral flat slab according to the present invention.

FIG. 2 is a plan view of a spliced plate of the prefabricated plate for assembling an integral flat slab.

FIG. 3 is a schematic diagram of the spatial structure of the assembled plate of the prefabricated plate for assembling an integral flat slab.

Fig. 4 is a schematic view of the installation space of the assembled integral type beamless floor column, the rod-type cap-post diagonal rod and the steel pull plate frame.

Fig. 5 is a schematic view of a connection structure between the assembled integral flat slab floor member-type cap-post diagonal rod and the steel pulling plate frame, the supporting plate and the precast slab of the utility model.

FIG. 6 is a schematic sectional view of a steel pulling plate frame and a supporting plate combination of an assembled integral flat slab floor of the present invention.

FIG. 7 is a schematic sectional view II of a steel pulling plate frame and a supporting plate combination for assembling an integral flat slab floor according to the present invention.

Fig. 8 is a schematic structural view of an assembled integral flat slab of the present invention.

Fig. 9 is a schematic sectional view of a prefabricated plate structure 1-1 for assembling an integral flat slab floor according to the present invention.

FIG. 10 is a schematic view showing the joint between an assembled integral type flat slab A and a prefabricated slab C according to the present invention.

FIG. 11 is a schematic view showing the joint between an assembled integral type flat slab B and a prefabricated slab C according to the present invention.

FIG. 12 is a schematic view illustrating a shear protrusion structure of an assembled integral type flat slab floor slab according to the present invention.

In the figure, 1-column, 2-rod type column cap inclined rod, 3-steel pulling plate frame, 4-precast plate A, 5-precast plate B, 6-precast plate C, 7-steel bar, 8-concrete, 9-steel bearing plate, 10-beard steel bar, 12-binding hidden beam, 13-shear resistant bar and 14-shear resistant projection.

Detailed Description

An assembled integral flat slab floor system is shown in figure 1 and comprises columns 1 and rod-type column cap inclined rods 2, wherein the tops of the inclined rods are connected with a steel pulling plate frame 3 in an annular mode, a steel bearing plate 9, a bearing precast slab A4, a precast slab B5 and a precast slab C6 are arranged below the steel pulling plate frame 3, and cast-in-situ slab gaps are reserved among the slabs. And steel bars 7 are laid on the upper parts of the precast slabs, and a layer of concrete 8 is poured.

As shown in fig. 4 and 5, the rod-type cap brace 2 is connected with the steel pulling plate frame 3 and the steel bearing plate 9. The plane projection direction of the rod piece type column cap inclined rod 2 and the plane main shaft direction form an angle of 45 degrees.

The steel pulling plate frame 3 and the precast slab B5 are intersected with each other at four edges to form a through long supporting plate 9, as shown in FIG. 6, the whole steel supporting plate 9 and the steel pulling plate frame 3 are realized in a mode of an I-shaped asymmetric section or an inverted T-shaped section with a widened lower flange.

As shown in fig. 1 to 12, the flat surface of the flat slab is divided into three areas, i.e., a precast slab a4, a precast slab B5, and a precast slab C6, according to the position of the column 1. The column 1 is positioned in the center of the precast slab B5, the steel pulling plate frame 3 is arranged around the precast slab B5, and the rod-type column cap inclined rods 2 are supported at four corners of the precast slab B5 and are connected with the steel pulling plate frame 3. The periphery of the plate B5 is supported on a steel supporting plate 9 below the steel pulling plate frame 3; two opposite sides of the precast slab C6 are supported on a steel bearing plate 9 below the steel pulling plate frame 3; the four corners of the prefabricated plate A4 are supported on the steel bearing plate 9 below the steel pulling plate frame 3.

The moustache steel bars 10 are thrown out of the bottoms of the precast slabs A4, B5 and C6, and when the steel pulling plate frame 3 is arranged at the joint position of the slabs, the moustache steel bars 10 can be mechanically connected through a welding sleeve; when the plate joint position has no steel pulling plate frame 3, the beard steel bars 10 are bent and mutually pulled, and the hidden beam 12 is arranged to configure the steel bars.

The stressed steel bars 7 on the top of the beam-free floor slab can be placed on site or produced in factories, are prefabricated into steel bar meshes, and are laid on the top of the prefabricated slab A4, the prefabricated slab B5 and the prefabricated slab C6 on site. The precast slab is provided with shear resistant ribs 13 as required, and the steel bars 7 are connected with the shear resistant ribs 13.

The precast slabs A4, B5 and C6 are poured by special formworks, and shear resistant bulges 14 can be arranged at the side and the top to connect new and old concrete.

A construction method for assembling an integral flat slab floor comprises the following steps,

firstly, prefabricating and mounting a column 1;

step two, installing rod piece type cap inclined rods 2 around the column 1, wherein the rod piece type cap inclined rods 2 and the column 1 form an angle of 45 degrees;

step three, assembling the steel pulling plate frame 3 and the steel bearing plate 9, wherein the section of the steel pulling plate frame is inverted T-shaped or I-shaped, and the lower edge wing of the steel pulling plate frame is wider than the upper edge wing of the steel bearing plate;

step four, mounting the structural part assembled in the step three at the end part of the rod-type cap inclined rod 2 to form a space body with rigidity;

step five, mounting the precast slab A4, the precast slab B5 and the precast slab C6 on a steel bearing plate 9, and fixing the precast slabs through embedded parts;

sixthly, connecting the beard steel bars 10 of the precast slabs A4, B5 and C6, and binding the steel bars of the hidden beam 12;

seventhly, laying the top steel bars 7 of the flat slab, connecting the shear ribs 13 with the prefabricated steel bar mesh 7 and performing auxiliary positioning;

and step eight, post-pouring concrete 8 at the tops and plate seams of the precast slabs A4, B5 and C6 to finish the construction of the assembled integral flat slab.

The method comprises the following steps that firstly, a prefabricated column is adopted, and the stability of subsequent construction is guaranteed after the prefabricated column is connected with a foundation;

and step three, the steel pulling plate frame 3 and the steel bearing plate 9 can be independently processed and then assembled, and can also be combined into a component to be manufactured into a special section form. The rod piece type column cap is installed by preferentially adopting high-strength bolts, so that subsequent positioning and adjustment are facilitated, and the rod piece type column cap inclined rod 2, the steel pulling plate frame 3, the steel bearing plate 9 and the column 1 form a spatial geometry which cannot be finally screwed before spatial rigidity is achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides an assemble integral no roof beam superstructure, characterized by: comprises a column (1), a rod-type column cap inclined rod (2), a steel pulling plate frame (3), a steel bearing plate (9), a precast slab A (4), a precast slab B (5), a precast slab C (6), a steel bar (7) and concrete (8),

one end of the rod piece type column cap inclined rod (2) is connected with the column (1), the other end of the rod piece type column cap inclined rod is connected with the vertex angle of the prefabricated plate B (5) through the steel pulling plate frame (3) and the steel bearing supporting plate (9), and the plane projection direction of the rod piece type column cap inclined rod (2) is 45 degrees to the plane main shaft direction;

the prefabricated slab A (4), the prefabricated slab B (5) and the prefabricated slab C (6) are spliced with one another to form a floor plane, the column (1) is arranged at the center of the lower part of the prefabricated slab B (5), the steel pull plate frame (3) is arranged around the prefabricated slab B (5), the steel bearing plate (9) is arranged at the lower part of the steel pull plate frame (3), and two opposite sides of the prefabricated slab C (6) are supported and arranged around the prefabricated slab B (5) through the steel bearing plate (9); the precast slab A (4) is connected with the two remaining opposite sides of the precast slab C (6);

and the steel bars (7) are laid on the top of the floor formed by the precast slabs A (4), B (5) and C (6), and concrete (8) is poured.

2. An assembled integral flat slab as claimed in claim 1, wherein: the sections of the steel bearing plate (9) and the steel pulling plate frame (3) are in an I shape or an inverted T shape with the lower edge wing wider than the upper edge wing.

3. An assembled integral flat slab as claimed in claim 1, wherein: beard steel bars (10) are arranged at the bottoms of the precast slabs A (4), the precast slabs B (5) and the precast slabs C (6), the beard steel bars (10) at the slab joints of the precast slabs C (6) and the precast slabs A (4) are mutually tied, and dark beams (12) are arranged at the tying positions and provided with steel bars.

4. An assembled integral flat slab as claimed in claim 1, wherein: and shear resistant ribs (13) are arranged on the precast slabs A (4), B (5) and C (6) according to requirements, and the steel bars (7) are connected with the shear resistant ribs (13).

5. An assembled integral flat slab as claimed in claim 1, wherein: the precast slabs A (4), B (5) and C (6) are poured as formworks, and shear protrusions (14) are arranged on the side faces and the top face according to requirements.

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