CN216194957U

CN216194957U - Basement outer wall post-cast strip precast slab

Info

Publication number: CN216194957U
Application number: CN202122524383.0U
Authority: CN
Inventors: 文鹏; 丁德成; 王晨媛; 曾华力; 方窍
Original assignee: China Railway Construction Engineering Group Co Ltd; China Railway Construction Engineering Group South China Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd; China Railway Construction Engineering Group South China Co Ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-05
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a precast slab for a post-cast strip of an outer wall of a basement, which at least comprises a concrete main body and a steel bar main body, wherein the steel bar main body is arranged in the concrete main body, the steel bar main body comprises a plurality of first steel bars and a plurality of second steel bars, the first steel bars and the second steel bars are arranged in a cross mode, a first pre-treatment draw hook and a second pre-treatment draw hook are arranged on the concrete main body, the first pre-treatment draw hook and the second pre-treatment draw hook are both connected to the steel bar main body, the first pre-treatment draw hook and the second pre-treatment draw hook both at least comprise a first rod body and a second rod body, the first rod body is approximately vertical to the concrete main body, and the second rod body is approximately parallel to the concrete main body.

Description

Basement outer wall post-cast strip precast slab

Technical Field

The utility model relates to the technical field of prefabricated slabs, in particular to a prefabricated slab of a post-cast strip of a basement outer wall.

Background

When the engineering project is carried out, the red line of the individual engineering project is the side line of the occlusion pile of the basement, a temporary turnover field is not arranged in the red line range of the field, and in order to ensure the organization and the arrangement of the whole construction, the earth backfill work of the outer wall of the basement is urgently needed to be organized after the construction of the basement is completed. In order to accelerate backfill work and finish quality and quantity guarantee, the prefabricated cover plate of the basement outer wall post-cast strip is used for replacing the original bricklaying construction process. The prefabricated cover plate is simple in structure and easy to manufacture, the surface layer is smooth, the waterproof process can be directly carried out, the prefabricated plate is time-saving and labor-saving in installation, safe and reliable, the labor intensity is reduced, the construction safety is improved, and good economic benefits and social benefits are obtained. Therefore, the application aims to provide the precast slab for the post-cast strip of the basement exterior wall.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a precast slab for a post-cast strip of an outer wall of a basement.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a basement outer wall post-cast strip prefabricated plate, includes concrete body and reinforcing bar main part at least, the reinforcing bar main part set up in the concrete body, the reinforcing bar main part includes a plurality of first reinforcing bar and a plurality of second reinforcing bar, and first reinforcing bar and second reinforcing bar are cross arrangement each other, be provided with first preliminary treatment drag hook and second preliminary treatment drag hook in the concrete body, first preliminary treatment drag hook and the pre-buried drag hook of second all are connected to the reinforcing bar main part, first pre-buried drag hook and second preliminary treatment drag hook all include the first body of rod and the second body of rod at least, the first body of rod with the concrete body is roughly perpendicular, the second body of rod with the concrete body is roughly parallel.

Preferably, the first reinforcing steel bar and the second reinforcing steel bar are bent, and in the thickness direction of the concrete main body, the distance between the first reinforcing steel bar and the surface of the concrete main body is increased and then decreased, and the distance between the second reinforcing steel bar and the surface of the concrete main body is increased and then decreased.

Preferably, the first side wall of the concrete body is provided with an insertion hole, and the second side wall of the concrete body is provided with an insertion body.

Preferably, the first side wall and the second side wall are both provided with mortar filling grooves, and the mortar filling grooves are through in the width direction of the concrete body.

The utility model has the following advantages:

(1) the construction process of the post-cast strip precast slab can be widely applied to the construction of the post-cast strip of the basement outer wall, compared with the original masonry construction method, the construction progress is remarkably accelerated, three-fourths of labor and materials are saved, and potential safety hazards in the construction process are eliminated.

(2) When the concrete main part is bent, the first reinforcing steel bars and the second reinforcing steel bars are bent, so that the bending strength of the concrete main part can be improved, and the overall structural strength of the concrete main part is further improved.

(3) When two adjacent concrete main parts are spliced for use, the splicing bodies can be nested in the splicing holes, so that the splicing difficulty of the concrete main parts is reduced, and the structural strength of the concrete main parts can be improved.

(4) The mortar is injected into the mortar filling groove, so that the problem of leakage is avoided, and meanwhile, the flatness of the joint can be improved.

Drawings

FIG. 1 is a schematic plan view of a prefabricated slab of a post-cast strip of a basement exterior wall, which is preferred by the utility model;

FIG. 2 is a cross-sectional view of a prefabricated slab of a post-cast strip of a basement exterior wall, which is preferred by the utility model;

FIG. 3 is a schematic view of the installation mode of the precast slab of the post-cast strip of the basement exterior wall in the preferred embodiment of the utility model;

FIG. 4 is a schematic view of an installation elevation of a post-cast strip precast slab of the basement exterior wall according to the preferred embodiment of the utility model;

FIG. 5 is a side view of the installation of the precast slab of the post-cast strip of the basement exterior wall according to the preferred embodiment of the utility model;

FIG. 6 is a cross-sectional view of another preferred prefabricated slab of the basement exterior wall post-cast strip according to the utility model;

FIG. 7 is a schematic view of a first reinforcement bar in section A-A in a curved configuration;

fig. 8 is a schematic view of the bending form of the first steel bar in the section B-B.

In the figure, 1-concrete body, 2-steel bar body, 2 a-first steel bar, 2 b-second steel bar, 3-first pre-buried pull structure, 4-second pre-treatment pull hook, 5-first rod body, 6-second rod body, 1 a-first side wall, 1 b-second side wall, 7-splicing hole, 8-splicing body and 9-mortar filling groove.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, without limiting the scope of the utility model to the following:

as shown in fig. 1 to 8, the present application provides a precast slab for a post-cast strip of an exterior wall of a basement, which at least comprises a concrete body 1 and a steel bar body 2. The steel bar body 2 is disposed in the concrete body 1. Set up reinforcing bar main part 2 and can improve concrete body 1's structural strength. The reinforcement body 2 includes a plurality of first reinforcements 2a and a plurality of second reinforcements 2 b. The first reinforcing bar 2a and the second reinforcing bar 2b are arranged to cross each other. The arrangement of crossing each other means that: the extending direction of the first reinforcing bars 2a can be consistent with the length direction of the concrete body 1, and the extending direction of the second reinforcing bars 2b can be consistent with the width direction of the concrete body 1, so that the projections of the first reinforcing bars and the second reinforcing bars in the same plane have intersection points. The concrete body 1 is provided with a first embedded draw hook 3 and a second embedded draw hook 4. The first embedded draw hook 3 and the second embedded draw hook 4 are both connected to the steel bar main body 2. First pre-buried drag hook 3 and the pre-buried drag hook 4 of second all include the first body of rod 5 and the second body of rod 6 at least, and the first body of rod 5 is roughly perpendicular with the concrete body, and the second body of rod 6 is roughly parallel with concrete body 1. A portion of the first rod 5 and the entire second rod 6 are exposed outside the concrete body 1. When using, first pre-buried drag hook 3 and the pre-buried drag hook 4 of second can support with the reinforcing bar main part on the outer wall and lean on the contact, and then can realize connecting between them through the welded mode. Through the arrangement mode, the connection strength of the basement outer wall post-cast strip precast slab and the outer wall can be improved.

Preferably, the first reinforcing bars 2a and the second reinforcing bars 2b are curved, and in the thickness direction of the concrete body 1, the distance between the first reinforcing bars 2a and the surface of the concrete body 1 increases and then decreases, and the distance between the second reinforcing bars 2 and the surface of the concrete body 1 increases and then decreases. Through above-mentioned mode of setting up, when concrete main part 1 is crooked, first reinforcing bar 2a and second reinforcing bar 2b are the curved form, can improve concrete main part 1's bending strength, and then improve concrete main part 1's overall structure intensity.

Preferably, the first side wall 1a of the concrete body 1 is provided with an insertion hole 7, and the second side wall 1b of the concrete body 1 is provided with an insertion body 8. When two adjacent concrete main parts 1 are spliced and used, the inserting bodies 8 can be arranged in the inserting holes 7 in an embedded mode, the splicing difficulty of the concrete main parts 1 is further reduced, and the structural strength of the concrete main parts 1 can be improved.

Preferably, the first side wall 1a and the second side wall 1b are provided with mortar filling grooves 9, and the mortar filling grooves 9 are formed to penetrate in the width direction of the concrete body 1. After the two concrete bodies 1 are spliced with each other, the two mortar filling grooves 9 can be aligned with each other, and then mortar is injected into the mortar filling grooves 9 from the side surface, so that the two concrete bodies 1 can be connected and fixed. Through the arrangement mode, mortar is injected into the mortar filling groove 9, the leakage problem is avoided, and meanwhile, the flatness of the joint can be improved.

The working principle of this application does: the method comprises the following steps of firstly, removing steel wire meshes on two sides of an outer wall post-cast strip in place, washing the steel wire meshes with water to expose a compact concrete surface, transversely placing the prefabricated plates, transporting the prefabricated plates in a mode of lowering hoisting straps on two sides of the prefabricated plates, enabling the length of the prefabricated plates to be 100mm in lap joint with the outer wall of the basement, using mortar for vertical joints of the prefabricated plates, and welding and fixing pre-buried drag hooks of the prefabricated plates and distribution ribs of the outer wall of the basement. And chamfering the internal corners by using mortar. And (4) performing matched construction by a group of four persons, firmly sleeving the prefabricated plates at two ends of the outer wall by using lifting straps by two persons, slowly lowering the prefabricated plates to a working surface, righting the prefabricated plates below the prefabricated plates by one person, and welding and fixing by one person. And after the fixing is firm, the edge joint treatment is carried out.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A precast slab of a post-cast strip of an outer wall of a basement at least comprises a concrete main body (1) and a steel bar main body (2), wherein the steel bar main body (2) is arranged in the concrete main body (1), characterized in that the steel bar main body (2) comprises a plurality of first steel bars (2a) and a plurality of second steel bars (2b), the first steel bars (2a) and the second steel bars (2b) are arranged in a crossing way, be provided with first pre-buried drag hook (3) and the pre-buried drag hook of second (4) on concrete body (1), first pre-buried drag hook (3) and the pre-buried drag hook of second (4) all are connected to reinforcing bar main part (2), first pre-buried drag hook (3) and the pre-buried drag hook of second (4) all include the first body of rod (5) and the second body of rod (6) at least, the first body of rod (5) with concrete body (1) is roughly perpendicular, the second body of rod (6) with concrete body (1) is roughly parallel.

2. The precast slab for the post-cast strip of the basement exterior wall according to claim 1, wherein the first steel bar (2a) and the second steel bar (2b) are curved, and in the thickness direction of the concrete body (1), the distance between the first steel bar (2a) and the surface of the concrete body (1) increases and then decreases, and the distance between the second steel bar (2b) and the surface of the concrete body (1) increases and then decreases.

3. The precast slab for the post-cast strip of the outer wall of the basement according to claim 1, wherein the first side wall (1a) of the concrete body (1) is provided with an insertion hole (7), and the second side wall (1b) of the concrete body (1) is provided with an insertion body (8).

4. The basement exterior wall post-cast strip precast slab according to claim 3, wherein the first side wall (1a) and the second side wall (1b) are both provided with mortar filling grooves (9), and the mortar filling grooves (9) are through in the width direction of the concrete body (1).