CN210238900U

CN210238900U - Cavity haunching large plate structure

Info

Publication number: CN210238900U
Application number: CN201920762399.5U
Authority: CN
Inventors: Zixin Du; 杜子新; Wen Zhao; 赵文
Original assignee: Hainan Hualei Building Design Consultation Co ltd
Current assignee: Hainan Hualei Building Design Consultation Co ltd
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-04-03
Anticipated expiration: 2029-05-25

Abstract

The utility model relates to the technical field of buildings, in particular to a cavity haunched large plate structure; the floor slab comprises a support (namely a beam), a floor slab and armpit parts, wherein the floor slab is arranged at the top of the support, the armpit parts are arranged between the bottom surface of the floor slab and the upper part of the support, and cavities are arranged at the armpit parts and at two sides of the upper part of the support; the weight of the haunching large plate is reduced by placing the hollow template in construction, and under the condition that the bearing capacity of the haunching large plate is not reduced basically, the adverse effect of the weight is reduced so as to reduce the basic cost and the earthquake effect, and the economy of the haunching large plate is improved.

Description

Cavity haunching large plate structure

Technical Field

The utility model belongs to the technical field of the building technique and specifically relates to a cavity haunches large plate structure.

Background

The haunching is that the section of the slab is thickened at the position (slab support) where the slab is connected with the beam, and the haunching is usually used for large slab structure, and has the advantage of reducing secondary beams. The haunching large plate is used in a large number of basement top plate structures in recent years, but although the calculated span of a floor slab is reduced by the haunching large plate, the excessively thick haunching enables the mass (weight) of the floor slab to be increased in multiples, the earthquake action is also obviously increased, and in order to improve the economy of the haunching large plate, the cavity haunching large plate structure is provided.

Disclosure of Invention

The utility model provides a cavity adds armpit macrostructure, through setting up the cavity with the weight that reduces building overall structure in hope.

The technical scheme of the utility model is that:

the utility model provides a cavity haunches large plate structure which characterized in that: it includes support (also be roof beam), floor and adds the armpit, the support top is provided with the floor, be provided with between floor bottom surface and the support upper portion and add the armpit, it just is located support upper portion both sides and is provided with the cavity to add the armpit.

Further, the arrangement of reinforcement in the floor is divided into two layers, wherein the upper layer arrangement of reinforcement is located the top of cavity, and the lower floor arrangement of reinforcement is higher than the cavity bottom but is less than the cavity top, and the position that the lower floor arrangement of reinforcement corresponds the cavity is provided with the breach. The cavity mold is required to be inserted into the cavity, so that reinforcing bars cannot be arranged.

Further, the cavity side view is a right trapezoid, and the inclined edge of the cavity side view is located at the bottom.

Furthermore, a tie bar which penetrates through the floor slab, the haunched part and the support is arranged below the cavity, and the strength and the toughness of the haunched part are ensured through the tie bar.

Furthermore, the lacing wire is crossed with the upper layer reinforcing bar and the lower layer reinforcing bar and is welded and fixed.

Furthermore, the support, the floor slab and the haunch are formed by pouring cement at one time, and the overall strength is improved.

The utility model has the advantages that: the weight of the haunching large plate is reduced by placing the hollow template in construction, and under the condition that the bearing capacity of the haunching large plate is not reduced basically, the adverse effect of the weight is reduced so as to reduce the basic cost and the earthquake effect, and the economy of the haunching large plate is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of fig. 1 (partially broken away due to limitations in drawing, and therefore fig. 1 is enlarged on its side).

In the figure, 1, a support; 2. a floor slab; 3. adding armpit parts; 4. a cavity; 21. reinforcing bars on the upper layer; 22. lower layer reinforcing bars; 31. and (6) stretching the ribs.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1 or 2, a cavity haunched large plate structure comprises a support 1, a floor slab 2 and haunched parts 3, wherein the floor slab 2 is arranged at the top of the support 1, the haunched parts 3 are arranged between the bottom surface of the floor slab 2 and the upper part of the support 1, and the haunched parts 3 are arranged on two sides of the upper part of the support 1 and provided with cavities 4.

The reinforcement in the floor 2 is divided into two layers, wherein the upper layer reinforcement 21 is positioned above the cavity 4, the lower layer reinforcement 22 is higher than the bottom of the cavity 4 but lower than the top of the cavity 4, and the position of the lower layer reinforcement 22 corresponding to the cavity 4 is provided with a notch. The cavity mold is required to be inserted into the cavity, so that reinforcing bars cannot be arranged.

The cavity 4 is right trapezoid in side view, with the hypotenuse at the bottom.

And a lacing wire 31 which traverses the floor slab 2, the haunched part 3 and the support 1 is arranged below the cavity 4, and the strength and the toughness of the haunched part are ensured through the lacing wire.

The lacing wire 31 is crossed with the upper layer reinforcing bar 21 and the lower layer reinforcing bar 22 and is welded and fixed.

The support 1, the floor slab 2 and the armpit 3 are formed by pouring cement at one time, and the overall strength is improved.

The manufacturing process of the embodiment is roughly as follows:

1) the design is carried out according to the conventional haunching large plate, and the hollow part is subjected to detailed shear-resistant design (namely, the hollow part is arranged into a right-angled trapezoid) after the design is finished, so that the bearing capacity of the hollow part is ensured.

2) And (3) normally supporting a formwork during construction, placing and fixing a hollow formwork at the root of the haunching, and arranging a lacing wire below the hollow formwork.

3) And (5) pouring concrete for molding.

4) And (5) removing the mold for use.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a cavity haunches large plate structure which characterized in that: it includes support, floor and adds the armpit, the support top is provided with the floor, be provided with between floor bottom surface and the support upper portion and add the armpit, it just is located support upper portion both sides and is provided with the cavity to add the armpit.

2. A cavity haunched stracture as claimed in claim 1, wherein: the reinforcing bars in the floor slab are divided into two layers, wherein the upper layer reinforcing bars are positioned above the cavity, the lower layer reinforcing bars are higher than the bottom of the cavity but lower than the top of the cavity, and the positions of the lower layer reinforcing bars, corresponding to the cavity, are provided with notches.

3. A cavity haunched stracture as claimed in claim 2, wherein: the cavity side view is a right trapezoid, and the bevel edge of the cavity side view is located at the bottom.

4. A cavity haunched stracture as claimed in claim 3, wherein: and a lacing wire which traverses the floor slab, the haunched part and the support is arranged below the cavity.

5. A cavity haunched large panel structure according to claim 4, characterized in that: the lacing wire is crossed with the upper layer reinforcing bar and the lower layer reinforcing bar and is welded and fixed.

6. A cavity haunched stracture as claimed in claim 5, wherein: the support, the floor slab and the armpit are formed by pouring cement at one time.